Jack & Tuner Block Diagram - Zenith XBS344 Series Service Manual

3. JACK & TUNER BLOCK DIAGRAM
IC801
MOD CTL
5.0V
VCR'H'
MOD VIDEO
CLOCK
DATA
AFT
IC801
TU 33V
TU VIDEO
C871
4.7µ/50V
2
C711
R710
R711
1.0K
R706
81
10µM
R708
106
33K
R702
26
1.0K
671
C702 C703 C708
220µ/6.3V 10.1µF 0.1µ
R707
71
680
R708
72
680
100
C701 C707 C704
15PF 15PF 0.1µ
C878
57
56p
R703
158
3.9K
732
C731
10µ/16V
C701
4.7µ/50V
C712
1500p
7 GND
6 A.IN
5 MOD CTL
4 5.0V
3 VCR'H'
2 V.IN
1 GND
PVT01 PVT01
10
GND
9
NC
8 CLOCK
7 DATA
6 AFT
5
GND
4 SIF
3 TU 33V
2 V.OUT
1
GND
PVT02 PVT02
3-22 3-23
7
TU701
6
5
4
3
1 A.IN
2
1
2 CH S/W
3 REG 5V
4 CONTROL
5 V.IN
6 RF AGC
7 NC
8 ENABLE
10
9 CLOCK
9
8 10 DATA
7
11 AFT
6
12 A.OUT
5
4
13 SIF
3
14 TU 30V
2
15 NC
1
16 V.OUT
DT-65780M's