Panasonic NV-SV120EF, Service Manual

Page: 101 / 135

8.11. TV DEMODULATOR PACK SCHEMATIC DIAGRAM
A
B
C
D
E
F
1 2 3 4 5 6 7 8
1
2
3
4
PP0701
(TO TUNER)
4MHz
AGC
IF
GND
C0728
50V0.1 C0717
0.01
C0730
16V22
R0735
100
R0734
6800
R0711
5600
L0706
150u
L0707
150u
R0709
22K C0705
0.01
R0710
22K
D0703
MA80WK
R0707
22K
R0706
22K
L0704
150u
D0701
MA80WA
C0702
150P
C0701
0.01 L0703
0.68u
C0704
27P X0704
VLF1416
L0702
0.18u
DU7601-19
DU7601-20
DU7601-21
DU7601-22
DU7601-23
DU7601-24
DU7601-25
DU7601-26
DU7601-27
PK0701
1
2
3
4
5
6
7
8
9 IIC CLOCK
IIC DATA
TUNER AUDIO (N)
SIF
AFC S-CURVE
TUNER VIDEO
REG 5V
GND
C0729
0.01 R0732
1K C0723
16V100 C0722
0.1
R0708
5600
C0706
0.01
C0707
0.01
L0705
150u
C0743
18P
X0706
VLF1372
1 2 3 4 5
Q0703
2SB709
(AMP)
C0708
0.01
C0738
39P
1 2 3 4 5
X0707
VLF1371
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
OUTPUT2 VP A GND
RC VCO
DIGITAL
VCO
CONTROL
AFC
DETECTOR
VIDEO
TRAPS
4.5 TO
6.5MHz
VIF-PLL
VIF-AGC
TUNER
AGC
SIF-AGC
SINGLE REFERENCE
QSS MIXER/
INTERCARRIER MIXER
AND AM-DEMODULATOR
NARROW-BAND
FM-PLL DETECTOR
OUTPUT1
AUDIO PROCESSING
AND SWITCHES
D GND
IIC-BUS
TRANSCEIVER
IC0701
C1AB00001598
C0709
0.01 C0710
0.01
C0735
0.01
C0715
0.01 C0716
390P
C0714
0.01 C0712
0.47
R0741
0 C0725
50V2.2
C0726
1500P
R0750
5600 R0757
7500
R0717
5600 R0755
100 R0756
100 R0737
100
C0741
0.01
Q0702
2SD601A
(AMP)
C0733
50V0.22 R0726
560 C0719
0.47 C0740
0
C0734
1500P
R0713
180
C0739
47P
R0733
39K
R0724
150
R0738
0
C0721
0.01 C0720
0.01
VIDEO SIGNAL PATH AUDIO SIGNAL PATH
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
C0742
33P
TO POWER SUPPLY/RF SECTION DU7601(B-10)
R0722
5600
VR0701
10KB
R0727
100
C0703
0.01
4.4
4.2
0
0.2
0.2
1.0
5.0
2.7
2.1
4.5
1.0
1.6
0
1.1
QR0702
DTC363EU
(SWITCHING)
1.9 1.9 4.4 0.1 5.0 1.5 1.8 0.1 2.6 4.4 0
2.0 2.0 0.1 2.5 2.5 2.5 2.4 1.2 4.2 4.4 2.1
NV-SV120EF
TV DEMODULATOR PACK SCHEMATIC DIAGRAM
52