Main Board; Hauptplatte - Grundig VARIXX UMS 4810 SPCD Service Manual

GRUNDIG Service
Hauptplatte / Main Board
24 23 22 21 20
GND2 V CC 2
FM FM
RF OSC
LA1824
FM
MIX
AM
MIX
AM
RF AM
REG OSC V CC 1
1 2 3 4 5
0V
5,2V
5,2V
0V
0V
7,8V
1,3V
0,6V
19 18 17 16 15
PHASE
DECODER
COMP
TRIG ST SW VCO FF FF
S-METER
FM
TUN ST
GND1
IF
LED LED
6 7 8 9 10
FM,ST
FM,ST
AM
AM
14 13
DET
FF
PILOT
DET
-> KEYBOARD
DET AGC
CP104/P.3-14
AM-IF
11 12
3 - 10
VARIXX UMS 4810 SPCD
7,9
4,2V
0V
0V