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DMG: [iceboy] #10 - G02167703

Front side of Game BoyBack side of Game Boy

Color
off-white
Screws
phillips
Assembly date
August/1989

Mainboard

Front side of Game Boy main circuit boardBack side of Game Boy main circuit board

Board type
DMG-CPU-01
Stamp on board
908-05
Circled letter(s) on board
-
Extra label
6

LCD Board

Front side of Game Boy LCD circuit boardBack side of Game Boy LCD circuit board

Board type
DMG LCD-04
Manufacture date
1989
Stamp on board
908-0512
Circled letter(s) on board
A
Number pair on board
-
LCD panel label
S890802
LCD row cable label
290824
LCD panel date
August/1989

Power Board

Front side of Game Boy power circuit boardBack side of Game Boy power circuit board

Board type
A1
Manufacture date
1989
Label
DC CONV DMG

Jack Board

Front side of Game Boy headphone jack circuit boardBack side of Game Boy headphone jack circuit board

Board type
DMG JACK 02
Extra label
-

Chips

 ChipTypeManufacturerDateLabel
U1CPUDMG-CPU ASharpWeek 34/1989
DMG-CPU A
© 1989 Nintendo
JAPAN
8934 D
U2Video RAMLH5264TN-LSharpWeek 33/1989
LH5264TN-L
SHARP
JAPAN
8933 7 Y
U3Work RAMLH5264TN-LSharpWeek 33/1989
LH5264TN-L
SHARP
JAPAN
8933 7 Y
U4AmplifierIR3R40SharpWeek 27/1989
DMG-AMP
IR3R40
8927 A
X1CrystalD419DaishinkuJuly/1989
D419G9
-LCD Column DriverLH5077 FSharpAugust/1989
LH5077 F
908
-LCD Row DriverLH5076 FSharpAugust/1989
LH5076 F
908
-LCD RegulatorIR3E02SharpWeek 26/1989
DMG-REG
IR3E02
8926 A

Notes

- Display cover was missing
    -> Cleaned old glue
    -> Attached replica part
- LCD had missing rows at the top:
    -> repaired
- LCD had missing columns, most of them at the borders:
    -> Tried to repair, but FUBARed it. Very annoing after putting so much work into
         just fixing the rows.
- LCD row cable is in bad shape: One plastic layer is separating itself from the cable.
- Solder connection between LCD row flex layer and PCB looks very bad.
    -> Maybe someone at some time has replaced the display. The wire that holds the
         column flex cable down to where it is soldered onto the PCB is bended in an
         unusual way.
- Battery contact (the one with the spring) on the main PCB is corroded.
- Four screws, specially the one on the middle right (when viewed from the back side),
  were very hard to get out.
    -> I've worn off the screw caps very badly while trying.
    -> Thrown them away, because you couldn't get any grip anymore.
    -> replaced them

Misc

CPU works
yes

 

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