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8.2.
POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
P
:TO POWER TRANSFORMER SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
T
:TO TIMER SECTION
G
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
A
:TO Hi-Fi AUDIO SECTION
D
:TO DECODER SECTION
P
UNREG 38V
F
S
POWER ON
H
P
UNREG 6V
S
CYLINDER VG
P
UNREG 16V
P
GND
E
V
A
AV 12V
D
S
GND
T
GND
V
GND
A
GND
D
GND
C
V
TUNER VIDEO
S
AFC S-CURVE
D
SIF
V
A
TUNER AUDIO(N)
S
SW1
S
SW2
S
IIC DATA
S
IIC CLOCK
V
RFC VIDEO OUT
A
RFC AUDIO OUT
B
S T
A
SYSTEM CTL 5V
S
BACK UP 5V
A
N.SW 5V
S
REG 5V
S
V
VIDEO 5V
V
TUNER 5V
A
D
AUDIO 5V
A
1
R1342
100K
0.6
TW1343
C1341
R6302
0.01
6800
C6305
25V4.7
C6302
0.01
C6303
10V47
R6310
1800
A1
A2
A3
R6307
A4
2200
A5
A6
A7
A8
A9
A10
2
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
QR1342
UN2112
(POWER ON:ON)
37.4
37.4
0.1
Q1342
2SD601A
(POWER ON
H
:ON)
Q1341
TL1002
2SC1959Y
(12V REG.)
15.0
12.1
R1351
12.9
470
D6303
MA4130NL
Q6305
2SD601A
(5V REG.)
6.1
5.1
R6309
5.8
820
D6306
MA4056NH
C6310
0.01
C6309
10V47
Q6306
TL1003
2SD601A
(5V REG.)
6.1
5.3
C6301
D7753
0.01
6.0
1SS254
D6305
MA4062NL
D6302
RB441P
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
3
4
Q1352
2SC1959Y
(5V REG.)
6.1
5.1
5.9
Q1354
2SC1959Y
(5V REG.)
6.1
5.1
5.9
C1351
0.01
C1352
D1351
10V47
MA4056NH
Q6307
2SC1959Y
(5V REG.)
6.1
5.0
5.8
D6307
MA4056NH
TW1004
D7751
RB441P
D7752
D7754
MA700A
B0JACE000001
C7752
R7751
6V330
1K
B7751
CR2354-1GUF
5
C1353
0.1
(GC/GCS/GCSX)
Q1351
2SC1959Y
(5V REG.)
6.1
5.1
5.9
32
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