Replacement logic board for iPod Photo (4th Generation). It ties together power, storage, connection, display, audio, and controls, so use it after the easier connected parts, cables, and connectors have been checked.
Product Overview
This logic board listing covers Replacement Logic Board (Late 2004 / Early 2005) and its own connector path on the iPod Photo (4th Generation).
Use Part Details for the confirmed part-number reference. Use the Compatible Variants table below to confirm capacity, color, case, or order-number fitment.
Choose this part when your iPod shows Sad iPod Icon, Folder Icon, Physical Damage, or Dropped / Not Working; the checks below help confirm the right part before you order.
If known-good cable, power, storage/ribbon, connection, and restore or Disk Mode checks still fail, the logic board remains a suspect, especially when corrosion or board-side connector damage is visible.
Choose Your Option
This part comes in multiple variants. Confirm your iPod's capacity, case depth, and order number before ordering.
820-1642-A board path. Match board marking and screen revision; the two Photo/Color Display board/screen families are not treated as interchangeable.
You're viewing this optionWhat Is Included
Quick Diagnosis: Is It The Replacement Logic Board (Late 2004 / Early 2005)?
Start here before ordering. Work through the checks in order; a symptom alone does not prove this logic board is bad until nearby parts, cables, fitment, or install issues are separated.
Before you order this logic board
- Try a force restart first. Toggle Hold on and off, then hold Menu + Select/Center for 6 to 10 seconds.
- Separate Hold and input behavior. Move the Hold switch and watch whether the lock indicator changes.
- Separate Hold and input behavior. Check related input or hold-switch assemblies if the symptom began after opening the iPod.
- Separate Hold and input behavior. Confirm Hold is off before judging the controls.
- Use this listing only after the checks still point here. If the symptom still points here after those checks, compare Compatible Variants before ordering this logic board.
- 820-1642-A board path. Match board marking and screen revision; use the later Color Display route for 820-1764-A.
- Confirm the capacity match before ordering: 30GB, 40GB, 60GB.
- Confirm the case thickness before ordering: thick, thin.
- Late 2004 / Early 2005 Photo-family board route.
- Board marking: 820-1642-A. Match the LCD screen revision before ordering.
- The later iPod Photo / Color Display board route uses 820-1764-A and should not be mixed into this listing.
Specifications & Fitment
Also known as iPod with color display (Apple's official name after June 2005).
Part Details
| Detail | Value |
|---|---|
| Model Number | A1099 |
| EMC | EMC 2022 |
| Condition | Used — factory original Apple part. Normal cosmetic wear expected. |
| SoC | PortalPlayer PP5020C (dual ARM7TDMI, 80 MHz) |
| RAM | 32 MB |
| Audio CODEC | Wolfson WM8975 |
| Video Encoder | Analog Devices ADV7179 (NTSC/PAL) |
| Power Management | NXP PCF50605HN |
| LCD Controller | Renesas HD66789R |
| OEM Part | 820-1642-A |
Compatible Variants
| Order Number | Capacity | Color | Case | Compatible | Notes |
|---|---|---|---|---|---|
| M9829LL/A | 30GB | White | thin | Yes | — |
| PS492AA | 30GB | White (HP) | thin | Yes | — |
| M9585LL/A | 40GB | White | thick | Yes | — |
| M9586LL/A | 60GB | White | thick | Yes | — |
| M9830LL/A | 60GB | White | thick | Yes | — |
| PS493AA | 60GB | White (HP) | thick | Yes | — |
| MA215LL/A | 20GB | White (Harry Potter Collector's Edition) | thin | Check fitment | Compatibility was not present in legacy fitment data; verify before publishing. This variant has not been verified yet. |
| MA127LL/A | 20GB | Black/Red (U2) | thin | No— wrong Photo revision | iPod Photo board/LCD revisions are not interchangeable; use the matching board and screen revision. Use Replacement Logic Board (Mid-2005 Color Display) instead. |
| MA079LL/A | 20GB | White | thin | No— wrong Photo revision | iPod Photo board/LCD revisions are not interchangeable; use the matching board and screen revision. Use Replacement Logic Board (Mid-2005 Color Display) instead. |
Failure Signs
Use these checks to decide whether this logic board is the right part, whether a nearby part should be checked first, or whether the symptom needs more diagnosis.
What you may see: People describe controls or device behavior that changes with the Hold switch, lock icon, or input state.
- The iPod appears locked or the Hold switch does not match the device behavior.
Check first: Move the Hold switch and watch whether the lock indicator changes.
- Check related input or hold-switch assemblies if the symptom began after opening the iPod.
- Confirm Hold is off before judging the controls.
- Separate center-button-only failure from a dead scroll ring or multiple failed buttons.
- Inspect click-wheel ribbon seating, latch position, and ground path after reassembly.
- Checks before ordering replaceable assemblies, connector seating, and recent repair disturbance before choosing the logic board.
Most likely cause: The symptom may be routed through the Hold/input path rather than the logic board itself.
- This logic board may help only if the symptom remains after hold/input behavior is ruled out.
- Two logic board families exist. Early Photo (40/60GB) uses 820-1642-A; late Photo / Color Display uses 820-1764-A. Ensure replacement matches production period.
- Repair the hold/input path when that switch or ribbon is the confirmed fault.
- Use logic board replacement only after the hold/input path is ruled out.
- Replace the click wheel when the assembly or flex remains damaged after seating checks.
Look elsewhere when: Check the Hold switch path first when the device appears locked or ignores input.
- Check the headphone/hold assembly for confirmed Hold switch faults before blaming the click wheel.
What you may see: People describe behavior where the logic board seems dead, intermittent, or only partly responsive.
- A part or control path is dead, intermittent, or only partly responsive.
Check first: Inspect nearby connectors and flex paths if the iPod has been opened.
Most likely cause: The logic board can be involved, but connector seating, adjacent cables, power state, or board-side paths can produce similar symptoms.
- Choose this logic board only when the failing behavior follows the part or its own connection path.
- Replace the logic board when inspection or repeat testing points to that assembly.
- Continue adjacent-part diagnosis when the symptom follows a connector, cable, or board path instead.
What you may see: People describe short runtime, charging trouble, sudden shutoff, or an iPod that will not reliably power on.
- Short runtime, charging trouble, sudden shutoff, or a device that will not reliably power on.
Check first: Test with a known-good charger and cable before opening the iPod.
- Note whether the iPod shows charging, briefly powers on, shuts down under load, or never wakes at all.
- If the symptom began after service, inspect the battery connector and nearby flex paths before replacing another part.
Most likely cause: The logic board can be the cause, but charging, dock, storage, or board paths can create similar power behavior.
- Check power / charge / runtime route, connector seating, and board-side damage before ordering.
- Choose this logic board only when the power, charging, or runtime pattern is tied to this part or its connector path.
- Replace the logic board when inspection or repeat testing points to this part as the failing path.
- Keep dock connector, storage, and board diagnosis in scope when charging behavior is inconsistent or no power path is confirmed.
Look elsewhere when: Check charger/cable behavior, dock connector condition, storage startup clues, and board damage when the symptom is not isolated to battery performance.
What you may see: People describe a new problem appearing immediately after battery, storage, display, audio, or control work.
- A new symptom appeared after battery, storage, audio, display, or control work.
Check first: Reopen only as far as needed to inspect the areas touched during the repair.
- Compare the new symptom with what worked before the repair.
- Check cable seating, latch position, and part variant before replacing a second part.
Most likely cause: A post-repair symptom can involve the logic board, but disturbed ribbons, latches, grounding, connector seating, or the wrong variant part are common checks before ordering again.
- Check post-repair regression, connector seating, and board-side damage before ordering.
- Choose this logic board only when the part itself was torn, creased, or damaged during service.
- Correct seating, latch, or variant problems first.
- Replace the logic board when the repair damaged that assembly or its flex path.
Look elsewhere when: Check the exact connector or assembly disturbed during the repair before treating the new part as failed.
What you may see: People describe a blank screen, white or black display, missing backlight, lines, or a display that changes after impact or repair.
- Blank screen, white or black display, missing backlight, or lines on the screen.
Check first: Confirm the iPod still plays, charges, or is recognized so the screen symptom can be separated from a dead device.
- Inspect the display ribbon and connector if the iPod has been opened or dropped.
- Look for cracks, liquid residue, display discoloration, or connector damage before ordering.
- Checks before ordering the LCD panel, display ribbon, and connector seating before treating a display-only symptom as logic-board evidence.
Most likely cause: The logic board can be damaged, but display ribbon seating, connector condition, liquid history, or board-side display circuitry may need checking first.
- Display / Check backlight route, connector seating, and board-side damage before ordering.
- Choose this logic board only when the display symptom is tied to this part or its connection path.
- Replace the logic board when inspection or repeat testing points to this part's role in the display path.
- Use display-panel replacement when the panel, backlight, or display flex is visibly damaged; continue connector, liquid-damage, or board diagnosis when the display changes after reseating.
Look elsewhere when: Check ribbon seating, liquid history, and board connector damage before treating the display as a guaranteed fix. Check the screen and display-ribbon path first when the iPod still powers, plays, charges, or syncs.
What you may see: People describe charging, USB recognition, sync, or dock-connector behavior that is intermittent or missing.
- Charging, USB recognition, sync, or dock behavior is intermittent or missing.
Check first: Try a known-good cable, charger, and computer port before opening the iPod.
- Inspect the dock connector for debris, bent pins, corrosion, or looseness.
- Separate charging-only failure from computer-recognition or sync failure when choosing a part.
Most likely cause: The logic board can be involved, but cable condition, port contamination, battery state, storage behavior, or board damage can create overlapping symptoms.
- Check dock / usb / sync route, connector seating, and board-side damage before ordering.
- Choose this logic board only when charging, sync, or dock behavior is tied to this part or its connector path.
- Replace the logic board when inspection points to this part's role in the dock, USB, sync, or charging path.
- Continue battery, storage, or board diagnosis when the port looks healthy but power or sync still fails.
Look elsewhere when: Check cable, charger, battery, storage restore state, and board condition when the dock path is not clearly isolated.
What you may see: People ask whether a similar-looking part from another model, capacity, or generation will work.
- A similar-looking part may not match the exact capacity, generation, or color.
Check first: Match the exact model, generation, capacity, and case style shown for the product.
- Do not use a symptom to override fitment: a wrong-variant part can create new symptoms after installation.
- Inspect for liquid, corrosion, residue, torn flex material, or connector damage.
Most likely cause: The logic board may differ by model, case style, connector, cable length, bracket, or firmware/storage expectation.
- Check fitment / model variant boundary, connector seating, and board-side damage before ordering.
- This logic board may help only when it matches the model and variant being repaired.
- Use the logic board variant matched to the exact iPod.
- Recheck fitment before diagnosing a newly installed part as defective.
Look elsewhere when: Check fitment before replacing nearby parts or ordering another copy of the same wrong variant.
What you may see: Audio behaves differently through headphones and a dock or line-out accessory.
- Both headphone and dock output share the same failure.
Check first: Test known-good headphones before opening the iPod.
- Compare headphone output with dock or line-out audio on the same track.
- Inspect and reseat the headphone/hold ribbon or ribbon connection if the iPod was opened.
Most likely cause: Headphone jack contacts or headphone/hold assembly.
- Headphone/hold ribbon seating, or board-side connector.
- Replace the headphone/hold assembly when the failure is isolated to the headphone path.
Look elsewhere when: If both headphone and dock or line-out audio fail, the jack alone is unlikely.
- Board-level audio diagnosis belongs after output-path and ribbon checks.
Cautions: Do not treat a broad no-audio symptom as proof that the headphone jack has failed.
- Keep this option as advanced or professional diagnosis unless replaceable parts have been ruled out.
What you may see: People describe symptoms that change after opening the iPod, reseating parts, or disturbing nearby flex cables.
- A symptom starts after opening the iPod or disturbing an internal flex cable.
Check first: Inspect the relevant ribbon and board connector before replacing the part.
- Look for lifted latches, bent contacts, debris, corrosion, creases, or torn flex material.
- Check whether the symptom changes after careful reseating.
Most likely cause: The logic board may be fine while its ribbon, connector, latch, or contact path is loose, dirty, damaged, or not fully seated.
- Connector seating, ribbon damage, or ground-path issues can involve this part, a nearby connector, or a board path.
- Choose this logic board only when the part's own flex or contact path is damaged.
- Reseat or clean only where the repair procedure supports it.
- Replace the logic board when the flex, connector tail, or assembly contact path is physically damaged.
Look elsewhere when: Check the board-side connector or adjacent cable first when the damage is not on the replaceable assembly.
What you may see: No sound from the headphone jack.
- Audio disappears while the iPod otherwise appears to run.
What you may see: People may see a sad iPod, red X, folder icon, clicking drive, restore loop, or storage-recognition problem, especially after drive, flash, cable, or board work.
- Sad iPod, red X, clicking drive, restore loop, or disk-mode trouble.
Check first: Reseat the hard-drive or storage ribbon at both the logic-board-late-2004 end and the drive or adapter end before considering a board replacement.
- Test with known-good storage and the correct cable or adapter setup, then retry restore or disk mode when available.
- Inspect the board-side storage connector for torn pins, latch damage, corrosion, or impact damage only after the replaceable storage path has been checked.
Most likely cause: Most storage-warning symptoms start with the hard drive, hard-drive cable or ribbon seating, flash adapter setup, formatting, or battery load before they point to the logic board.
- A logic board becomes a stronger suspect only when a known-good drive or adapter and known-good cable still fail, the board-side storage connector is damaged, or the symptom began immediately after a board swap.
- Check storage / restore route, connector seating, and board-side damage before ordering.
- This logic board may help only when the board-side storage connector or storage controller path remains suspect after known-good drive, cable, adapter, power, and restore checks.
- Replace the drive, drive cable, or flash adapter first when those checks isolate the storage path.
- Use logic-board-late-2004 replacement or board repair only when the board-side storage path remains the isolated failure after known-good storage and cable checks.
- Use logic-board replacement or board repair only when the board-side storage path remains the isolated failure after known-good storage and cable checks.
Look elsewhere when: Check the hard drive, hard-drive cable or storage ribbon, flash adapter, formatting, and battery spin-up/load before treating sad iPod, red X, folder, clicking, or restore symptoms as a board failure.
- Check the hard drive, hard-drive cable or ribbon, flash adapter, formatting, and battery spin-up/load before treating sad iPod, red X, folder, clicking, or restore symptoms as a board failure.
What you may see: Symptoms follow liquid exposure, dirty contacts, corrosion, or residue.
Most likely cause: Liquid or corrosion can involve this part, a nearby connector, or a board path.
- Choose this logic board when the symptom remains isolated to this assembly, its ribbon, or its connector path after first checks.
Look elsewhere when: Check the Replacement Battery when power, charging, runtime, or swollen-battery behavior is the main problem.
- Check the Replacement Hard Drive (20GB) when storage symptoms such as clicking, sad ipod, folder icons, or restore failure are the main problem.
Symptom remains after basic checks
What you may see: The iPod still points back to Replacement Logic Board (Late 2004 / Early 2005) after cable seating, battery stability, and nearby connector checks.
Check first: Retest with known-good cables or adjacent parts where practical before ordering.
Check next: A nearby cable, connector, battery, storage device, display path, audio path, or board path can mimic a bad logic board.
Symptom changes when touched or reseated
What you may see: The symptom changes after moving the part, reseating a cable, or applying light pressure near the connector path.
Check first: Inspect the connector, latch, flex, solder joints, and nearby board area for damage or corrosion.
Check next: This can still be a connection issue rather than a failed logic board alone.
Problem began after another repair
What you may see: The issue started immediately after opening the iPod, replacing another part, or disturbing an internal cable.
Check first: Reopen only as far as needed and inspect the exact area touched during the previous repair.
Check next: Post-repair symptoms often trace to seating, latch, screw, or cable issues before Replacement Logic Board (Late 2004 / Early 2005) itself is confirmed bad.
Blank, white, black, lined, or backlight display
What you may see: People describe a blank screen, white or black display, missing backlight, lines, or a display that changes after impact or repair
Check first: Confirm the iPod still plays, charges, or is recognized so the screen symptom can be separated from a dead device
- Inspect the display ribbon and connector if the iPod has been opened or dropped
- Look for cracks, liquid residue, display discoloration, or connector damage before ordering
- Rule out the LCD panel, display ribbon, and connector seating before treating a display-only symptom as logic-board evidence
Fitment or model-variant mismatch
What you may see: People ask whether a similar-looking part from another capacity, case thickness, or generation will work
Check first: Match the exact model, generation, capacity, and case style shown for the product
- Do not use a symptom to override fitment: a wrong-variant part can create new symptoms after installation
Power, charging, or runtime symptoms
What you may see: People describe short runtime, charging trouble, sudden shutoff, or an iPod that will not reliably power on
Check first: Test with a known-good charger and cable before opening the iPod
- Note whether the iPod shows charging, briefly powers on, shuts down under load, or never wakes at all
- If the symptom began after service, inspect the battery connector and nearby flex paths before replacing another part
Logic Board symptoms to compare before ordering
What you may see: People describe behavior that can point toward the logic board, but the symptom does not prove this part has failed
Check first: Compare the exact behavior, when it started, and whether it changed after a repair
- Inspect nearby cables and connectors before replacing major parts
Storage warning symptoms usually start with drive or cable checks
What you may see: People may see a sad iPod, red X, folder icon, clicking drive, restore loop, or storage-recognition problem, especially after drive, flash, cable, or board work
Check first: Reseat the hard-drive or ZIF ribbon at both the logic-board end and the drive or adapter end before considering a board replacement
- Test with known-good storage and the correct cable or adapter setup, then retry restore or disk mode when available
- Inspect the board-side storage connector for torn pins, latch damage, corrosion, or impact damage only after the replaceable storage route has been checked
Logic Board appears unresponsive or intermittent
What you may see: People describe behavior where the logic board seems dead, intermittent, or only partly responsive
Check first: Check whether the symptom is repeatable or changes with movement, pressure, charging, reset, or reassembly
- Inspect nearby connectors and flex paths if the iPod has been opened
Logic Board ribbon, connector, or contact path
What you may see: People describe symptoms that change after opening the iPod, reseating parts, or disturbing nearby flex cables
Check first: Inspect the relevant ribbon and board connector before replacing the part
- Look for lifted latches, bent contacts, debris, corrosion, creases, or torn flex material
- Check whether the symptom changes after careful reseating
Symptoms changed after repair or reassembly
What you may see: People describe a new problem appearing immediately after battery, storage, display, audio, or control work
Check first: Reopen only as far as needed to inspect the areas touched during the repair
- Compare the new symptom with what worked before the repair
- Check cable seating, latch position, and part variant before replacing a second part
Repair considerations
Repair specialists who work on this model consistently flag these checks before replacing the logic board — they help confirm the logic board is the right fix and not a nearby fault:
- Escalate board-level soldering or connector damage
- Replace or professionally rework logic board
Do Not Buy This Logic Board Yet If...
| Situation | Start here instead |
|---|---|
| Only the screen is affected and everything else works | This is a different board revision — check your removed board marking, order number, and generation before ordering. |
| Variant or capacity does not match this listing | Use the Replacement Logic Board (Mid-2005 Color Display) listing instead. |
| A replaceable attached-part path is isolated | Test the likely battery, storage, screen, audio, cable, or connector path first. |
| Recent service or connector disturbance is the main clue | Reopen carefully, reseat the part that was disturbed, and inspect its latch before buying a board. |
| You see a folder icon, clicking noise, or restore failure | Use the matching screen, storage, audio, or control part page before replacing the logic board. |
| The problem is the Hold switch or headphone jack, not this part | Start with the headphone jack / Hold switch assembly check. |
| Sound is the only problem | Start with the headphone jack / Hold switch assembly check after matching the exact symptom and part family. |
| Cable, computer, sync, or port behavior is the primary problem | Use the nearby battery, storage, screen, audio, cable, or connector listing that matches the symptom first. |
| Charging, swelling, runtime, or power is the primary problem | Start with the battery, charger, port, and power-connector checks before replacing the logic board. |
Install Overview
Before You Start
For pre-open diagnosis, unlock Hold and use this generation's reset sequence if needed. Before opening, lock the Hold switch so the orange bar is visible, then confirm the model and variant.
Treat case opening as the highest handling risk. Work around the seams gently and stop if the shell, clips, or internal stack resist.
Do not pull the halves apart or side-load board sockets. Reseat nearby ribbons and connectors before blaming a replacement logic board.
Test known-good replaceable assemblies first so the board is not blamed for a battery, storage, cable, control, screen, or audio path.
Repair Guide
Show all 13 installation steps
Before you open the iPod, confirm that the hold switch is in the locked setting. The orange bar should be showing, indicating hold is active.
Move an opening pick as far as possible into the gap between the plastic front and the metal back panel, on the right edge of the iPod. You may have to rock the pick back and forth to move it in farther. With the opening pick, lever up against the plastic front panel and release 5 retaining tabs. Slide the pick along the iPod edge and keep levering gently until the remaining retaining tabs release. In this step, after all five tabs along the right edge are free, the case should easily open.
The iPod case is now open, but do not separate the two halves yet. An orange ribbon cable still connects the headphone jack to the logic board. With the dock connector edge at the top, open the case like a book and set the rear panel beside the iPod front half.
With a plastic tool or your fingernails, carefully detach the orange headphone jack cable. Make sure to draw straight up on the connector, not the cable itself. This fragile ribbon cable can stay connected for a battery replacement. Prop and tape the rear case against a box so the headphone jack remains connected to the motherboard without straining its cable while you work.
Grasp the hard drive with one hand and carefully detach the orange ribbon cable from the hard drive with your other hand. In this step, if the cable doesn't come free easily, it may be useful to gently wiggle the cable from side to side.
Peel up and back the black adhesive strip covering the hard drive ribbon cable.
With a fingertip or spudger, carefully flip up the black hard drive cable connector on the logic board. The black retaining clip rotates 90 degrees toward vertical in the cable direction.
Draw the orange hard drive cable directly out of its connector.
Carefully detach the white battery connector from the logic board. Pull only on the connector housing, not the cables.
With a spudger, flip up the black retaining bars holding the display and click wheel connectors to the logic board. On an iPod Photo, the display connector sits more centrally on the logic board.
Take out the 6 black T6 Torx screws holding the logic board to the front panel. If you have an iPod Photo, there can only be 5 screws, as you will find no screw in the top right corner of the iPod.
Move the orange click wheel ribbon cable out of its connector. Unlock this connector first: the locking mechanism sits on the opposite side of the cable entry and swivels upward 90 degrees. Lift the locking mechanism with a plastic spudger.
Carefully raise the large end of the logic board, then detach the display connector. Raise the logic board out of the iPod.
After This Repair
| Check | What to do |
|---|---|
| Run the full function check | Verify power, USB sync, storage, display, audio, controls, and charging before treating the repair as finished. |
| Still not working? | Go back through the connected battery, storage, display, dock, audio, and control paths one at a time. |
Frequently Asked Questions
Use these questions to narrow the part path before ordering. They keep each answer focused on a different diagnostic or fitment decision.
What Replacement Logic Board (Late 2004 / Early 2005) models does this fit?
This Replacement Logic Board (Late 2004 / Early 2005) fits: M9585LL/A (40GB White), M9586LL/A (60GB White), M9829LL/A (30GB White), M9830LL/A (60GB White), PS492AA (30GB White), PS493AA (60GB White).
Do I need to solder?
No, this installation does not require soldering. Difficulty: Moderate. Estimated time: 30 minutes.
How do I know if this logic board needs replacement?
Symptoms that can point to this logic board include: Sad iPod Icon, Folder Icon, Physical Damage, Dropped / Not Working. Check fitment, connectors, and nearby parts before treating symptoms as proof.
How should I use power, charging, or runtime symptoms to choose this logic board?
Check battery variant, battery connector, FireWire power, charger/cable behavior, and storage spin-up load before board replacement. Board diagnosis is stronger when the iPod remains dead or unstable after known-good battery, cable, dock, and storage checks. Test with a known-good charger and cable before opening the iPod. Note whether the iPod shows charging, briefly powers on, shuts down under load, or never wakes at all. If the symptom began after service, inspect the battery connector and nearby flex paths before replacing another part. Choose this logic board only when the failure is isolated to the board path after external and replaceable-part checks. Choose this logic board only when the power, charging, or runtime pattern is tied to this part or its connector path. Check the nearby part path first when the symptom still fits a battery, storage, display, dock, headphone/hold, or click-wheel assembly. Check charger/cable behavior, dock connector condition, storage startup clues, and board damage when the symptom is not isolated to battery performance. Board-level rework and component diagnosis belong in advanced or professional repair context.
Could another part cause the same symptom?
Use the Quick Buying Check, Failure Signs, and Do Not Buy sections together before ordering. The symptom should still point to this logic board after nearby parts and fitment are separated.
Why people land on this part
Use the checks above to separate this logic board from nearby parts before ordering.
Also searched as: iPod photo 4th generation logic board replacement, dead logic board, no power logic board, won't turn on logic board, circuit board, swap logic, board fried, 60GB logic board, board assembly, board cable, iPod charging icon, logic board worth having repaired, drive logic, accidentally broken, iPod Photo parts, iPod with color display, A1099, Physical Damage, Dropped / Not Working, motherboard, Early 2005, Late 2004.
Worth Knowing
- Photo logic platform — SoC — dual ARM7TDMI, 80 MHz
- Wolfson WM8975 — Audio CODEC — stereo DAC with headphone amp
- Analog Devices ADV7179 — Video encoder — NTSC/PAL composite video output
- NXP/Philips PCF50605HN — Power management IC — battery charging, voltage regulation
- Renesas/Hitachi HD66789R — LCD controller/driver for 220x176 color TFT
- NXP/Philips TEA1211HN — DC-DC boost converter for LCD backlight
- Texas Instruments LM34910 — Wide input range buck regulator (up to 36V input)
- Texas Instruments LM3485 — Hysteretic PFET buck regulator
- Linear Technology LTC4066 — USB power manager with Li-Ion charger
You May Also Want
A fresh battery is often replaced during the same repair while the iPod is open.
Related: Flash Storage Mod (iFlash IDE Adapter + SD Card)Flash storage is the common upgrade path while the iPod is already open.
Related: Replacement Hard Drive (60GB)Use a hard drive only when restoring original-style storage; use the model's flash-storage path when a compatible adapter path is available.
