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DMG: [iceboy] #29 - GH1192958

Color: off-white
Screws: tri-wing
Assembly date: April/1990 - February/1994

Mainboard

Board type: DMG-CPU-06
Stamp on board: 402-3702
Circled letter(s) on board: K4
Extra label: 5

LCD Board

Board type

DMG LCD-05

Manufacture date

Stamp on board

004.22

Circled letter(s) on board

Number pair on board

LCD panel label

N2
ST900405

LCD row cable label

7 00411

LCD panel date

April/1990

Power Board

Board type: B
Manufacture date: December/1993
Label: DC CONV DMG

Jack Board

Board type: DMG JACK 03
Extra label: 15

Chips

	Chip	Type	Manufacturer	Date	Label
U1	CPU	DMG-CPU B	Sharp	Week 49/1993	DMG-CPU B © 1989 Nintento JAPAN 9349 D
U2	Video RAM	LH52A64N-TL	LSI Logic	Week 36/1993	LH52A64N-TL LSI LOGIC JAPAN D336 0E C
U3	Work RAM	LH52A64N-TL	LSI Logic	Week 36/1993	LH52A64N-TL LSI LOGIC JAPAN D336 0E C
U4	Amplifier	IR3R40	Sharp	Week 52/1993	DMG-AMP IR3R40 9352 CA
X1	Crystal	D419	Daishinku	December/1993	D419M3
-	LCD Column Driver	LH5077 F	Sharp	April/1990	LH5077 F 004
-	LCD Row Driver	LH5076 F	Sharp	April/1990	LH5076 F 004
-	LCD Regulator	IR3E02	Sharp	Week 20/1995	DMG-REG IR3E02 9008 A

Notes

- LCD had one (sometimes) missing column at the right and one missing row at the top:
    -> TODO: repaired
- Display cover was missing
    -> Cleaned old glue
    -> Attached replica part
- Link port cover was missing:
    -> Attached replica part
- There was an extra screw in the narrow space below the battery compartment.
- This device was obviously put together from spare parts:
    -> The extra screw inside
    -> Screw heads are worn off, possibly by using wrong screw driver
    -> Main PCB and LCD PCB dates don't match

Misc

CPU works: yes

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Generated: 2024-09-17 05:01 AM +02:00