Fehlersuchdiagramm und Blockschaltpläne / Trouble Shooting Diagram and Block Circuit Diagrams
GDV 120…
2 - 2
GRUNDIG Service
Reset
IC127
MPEG-DEC.
IC110
SDRAM
IC111
SDRAM
IC131
ADAC
IC132
AMP
IC102
VENC
IC101
EEPROM
IC130
RESET
IC118
FLASH
IC117
DRAM
I2C-BUS
VDD
(5V)
IC113
5V <– 3V
IC601
CONTROL
3
2
3
IC602
RESET
5V
1
6
3
4
16
CN810
17 or 15
85
86
57
9
95
84
22
IC116
MPU
LOADER
AUDIO OUT
VIDEO OUT component
VIDEO OUT composite, y/c
Takt / Clock
IC127
MPEG-DEC.
IC110
SDRAM
IC111
SDRAM
IC116
MPU
IC132
AMP
IC102
VENC
IC101
EEPROM
IC130
RESET
IC118
FLASH
IC117
DRAM
VDD
384fs
CN810
10 or 8
94
…
96
2
56
1
master RESET
44
IC601
CONTROL
35
35
2
4
4
1,2
1,2
4
55
IC133
BUFFER
IC136
INVERTER
X8001
27MHz
IC131
ADAC
LOADER
IC135
BUFFER
130
I2C-BUS
X6001
5MHz
3,4
AUDIO OUT
VIDEO OUT component
VIDEO OUT composite, y/c