Grundig K 15 PFCD 2602 Txt Service Document page 14

IC102 24C08B/PCF0539
PIN
1
2
3
4
5
6
7
8
TV sound AM -demodulator and audio source switch (TDA9830)
Symbol PIN Function
1
IFIN sound IF differential input signal
2
n.c. not connected
3
C AGC capacitor
AGC
4
C REF voltage filtering capacitor
REF
5 not connected
n.c.
AMOUT 6 AM demodulator output
AMIN 7 input signal (from AM) to audio switch n.c.
AFOUT 8 output signal from audio switch
Vertical deflection booster (TDA4863AJ)
Symbol PIN Function
positive supply voltage 1
VP1 1
VP3 2 flyback generator output
VP2 3 supply voltage 2 for vertical output
GND 4 ground or negative supply voltage
Tuner
PIN Function
1 AGC
2 vacant
3 Gnd
4 SCL
5 SDA
6 +5V
Function
GND
GND
Upper resistance
GND
SDA data wire
SCL clock wire
GND
+5V Power
PIN Function
7 +5V
8 vacant
9 Vt 33V
10 Gnd
11 IF Out
Symbol PIN Function
9
EXTIN input signal (from external) to audio switch
10
SWITCH switch input select control
V 11
supply voltage +12 V (alternative)
p2
12
MUTE mute control
13
GND ground (0 V)
V 14
supply voltage +5 to +8 V
p1
15
not connected
16
IFIN sound IF differential input signal
Symbol PIN Function
V-OUT 5 vertical output
INN 6 inverted input of differential input stage
INP 7 non-inverted input of differential input stage
K 15 PFCD 2602 Txt