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DMG: [iceboy] #6 - G16342348

Color: off-white
Screws: tri-wing
Assembly date: January/1991 - February/1991

Mainboard

Board type: DMG-CPU-05
Stamp on board: 101-23
Circled letter(s) on board: K2
Extra label: 3

LCD Board

Board type

DMG LCD-06

Manufacture date

November/1990

Stamp on board

102-23Y

Circled letter(s) on board

Number pair on board

LCD panel label

N AH910111

LCD row cable label

4 10119

LCD panel date

January/1991

Power Board

Board type: A2
Manufacture date: October/1990
Label: DC CONV DMG

Jack Board

Board type: DMG JACK 03
Extra label: -

Chips

	Chip	Type	Manufacturer	Date	Label
U1	CPU	DMG-CPU B	Sharp	Week 48/1990	DMG-CPU B © 1989 Nintento JAPAN 9048 S
U2	Video RAM	LH5264TN-L	Sharp	Week 49/1990	LH5264TN-L SHARP JAPAN 9049 5 Y
U3	Work RAM	LH5264TN-L	Sharp	Week 49/1990	LH5264TN-L SHARP JAPAN 9049 5 Y
U4	Amplifier	IR3R40	Sharp	Week 49/1990	DMG-AMP IR3R40 9049 A
X1	Crystal	D419	Daishinku	December/1990	D419M0
-	LCD Column Driver	LH5077 F	Sharp	December/1990	LH5077 F 012
-	LCD Row Driver	LH5076 F	Sharp	December/1990	LH5076 F 012
-	LCD Regulator	IR3E02	Sharp	Week 4/1991	DMG-REG IR3E02 9104 J

Notes

- Missing display cover:
    -> Cleaned old glue
    -> Attached replica part
- LCD had huge amount of missing columns:
    -> repaired
- Power switch had no contact:
    -> There is some mechanical resistance,
       like someone applied some kind of oil that got
       rancid. Found some liquid oil under the metal plate
       of the cartridge slot.
    -> Soaked the switch in alkohol to dissolve the oil
    -> Still mechanical resistance but closes electrically
- Link port cover was missing:
    -> Attached replica part
- Sticker with serial number detached while cleaning shell

Misc

CPU works: yes

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Generated: 2024-02-22 12:05 PM +01:00