Grundig GV 900 SV/1 Manuel De Service page 72

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams / Circuits imprimés et schémas électriques
MAIN 1: Chassisplatte – Bedieneinheit/Laufwerksteuerung / Chassis Board – Keyboard Control/Drive Control / Circuit principal – Module de commmande/Gestion mécanique
8G 7G 6G 5G 4G
a
b
k j
j
f
j k
g m g m
col2 col1
g
S2 r
r
e p
p p
c
S1 d
pin 4 pin 5 pin 6 pin 7 pin 8 pin 9 pin 10 pin 11
8G 7G 6G 5G 4G 3G 2G 1G
pin 29 P1 e e e e e e e
pin 28 P2 c c c c c c c
g g g g g g g
pin 27 P3
f f f f f f f
pin 26 P4
a a a a a a a
pin 25 P5
pin 24 P6 – b b b b b b b
pin 23 P7 d d d d d d d
pin 22 P8 S1 k m m j j – r
pin 21 P9 S2 j j,p j p p – k
pin 20 P10 p k,r p col/U)
col2 – r col(L) r –
pin 19 P11
– – r
pin 18 P12
Reference MAIN 2 ............4-23 MAIN 5 ............4-29
IF MULTI..........4-33 MAIN 3 ............4-25 NICAM/IGR .....4-36
IGR ..................4-35 MAIN 3a ..........4-31
MAIN 1 ............4-21 MAIN 4 ............4-27
4 - 21
GV 900..., GV 940...
3G 2G 1G
k
j
r r r
p
IC801
FIP DRIVER
MN1251OF
IC702
BA6977S
LOADING/DRUM
M DRIVER IC
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams / Circuits imprimés et schémas électriques
IC701
IX143IGE
IC703
S806HZ
4 - 22
GV 900..., GV 940...
IC705
VHISLA2416S-1*
E2PROM
IC704
TC4S66F
CHROMA SW
IC1801
SDA5650X
VPS/PDC
GRUNDIG Service