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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
P
UNREG 38V
F
S
POWER ON
H
P
UNREG 6V
S
CYLINDER VG
P
UNREG 15V
P
GND
E
V
AV 12V
D
S
GND
T
GND
V
GND
C
V
TUNER VIDEO
S
AFC S-CURVE
V
TUNER AUDIO
S
SW1
S
SW2
S
IIC DATA
S
IIC CLOCK
V
RFC VIDEO OUT
V
RFC AUDIO OUT
B
S
T
SYSTEM CTL 5V
S
BACK UP 5V
S
REG 5V
S
V
VIDEO 5V
V
TUNER 5V
A
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
1
QR1342
UN2112
(POWER ON:ON)
37.4
R1342
100K
0.6
Q1341
2SC1959Y
(12V REG.)
15.0
C1341
R6302
0.01
6800
C6305
25V4.7
Q6305
2SD601A
(5V REG.)
6.1
C6302
0.01
C6303
6V47
R6310
1800
A1
A2
C6301
R6307
0.01
A4
2200
A5
A6
A7
A8
A9
A10
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
2
3
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
37.4
0.1
Q1342
2SD601A
(POWER ON
H
:ON)
TL1002
12.1
R1351
12.9
470
D6303
MA4130NL
5.1
R6309
5.8
820
D6306
MA4056NH
Q6307
2SC1959Y
(5V REG.)
6.1
C6310
0.01
C6309
6V47
Q6306
2SD601A
D7751
(5V REG.)
RB441P
6.1
5.3
D7753
6.0
1SS254
D6305
MA4062NL
D6302
RB441P
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAG
4
Q1354
2SC1959Y
(5V REG.)
6.1
5.1
5.9
Q1351
2SC1959Y
(5V REG.)
6.1
C1351
0.01
C1352
D1351
6V47
MA4056NH
5.0
5.8
D6307
MA4056NH
TW1004
D7752
D7754
MA700A
B0JACE000001
C7752
R7751
6V330
1K
B7751
CR2354-1GUF
5
5.1
5.9
30
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