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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
V :TO LUMINANCE & CHROMINANCE/AUDEIO SECTION
A
:TO Hi-Fi AUDIO SECTION
I
:TO INPUT/OUTPUT SECTION
G
T
:TO TIMER SECTION
D :TO DECODER SECTION
P
UNREG -29V
S
FIP
L
T
FIP -29V
S
SLEEP
H
F
P
UNREG 36V
P
UNREG 14V
P
UNREG 6V
P
HEATER DC (+)
E
P
HEATER DC (-)
P
GND
S V
A
GND
I T
D
GND
S V A
T
GND (SYS)
S
I
T
GND (FIP)
S
GND (CTL)
S
GND (FG)
S
GND (MOTOR)
V
A
GND (A)
V
A
GND (HA)
D
V
GND (V)
V
GND (NA)
I
GND (AV)
T
HEATER (+)
C
S
POWER OFF
L
S
D
REG 5V
V
VIDEO 5V
V
DNR 5V
S
A
I
PS 12V
V
PS 3.3V
S
V
A
I
PS 5V
V
BIAS 5V
S
I
T
N.SW 5V
B
A
RFC AUDIO OUT
I
RFC VIDEO OUT
S
SYS IIC CLOCK
S
SYS IIC DATA
S
SW2
D
SIF
S
AFC S-CURVE
I
TUNER VIDEO
A
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
1
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
C1026
R1003
0.1
27K
R1024
5600
Q1001
2SD602A
(BUFFER)
-17.0
-17.0
R1006
-16.2
5600
R1005
5600
A1
A2
A3
A4
A5
A6
A7
A8
R1008
C1003
470
0.1
C1002
25V47
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
2
3
Q1013
2SD601A
(FIP ON/OFF CONTROL)
-30.7
-30.7
R1026
6800
R1027
5.2
3300
Q1005
2SC1959Y
(12V REG.)
15.6
C1008
0.1
C1004
25V47
Q1010
2SC1959Y
(5V REG.)
5.9
5.2
C1020
0.1
6.0
Q1009
2SC1959Y
(5V REG.)
5.9
5.2
C1019
0.1
6.0
C1018
0.1
C1016
16V100
Q1007
2SC1959Y
(5V REG.)
5.9
5.3
5.9
Q1002
Q1006
2SC1959Y
2SC1959Y
(5V REG.)
(5V REG.)
5.9
5.2
5.9
C1009
0.1
5.9
5.9
D1002
C1011
MA4056NH
25V47
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
4
AUDIO MAIN SIGNAL PATH IN
AUDIO MAIN SIGNAL PATH IN
R1001
R1014
R1028
33K
4700
3300
5.2
QR1003
0
C1025
UN2112
0.1
(FIP
L
:ON)
5.2
12.3
R1013
10K
13.1
D1003
MA4130NL
QR1004
UN2111
(POWER ON/OFF
CONTROL)
Q1008
2SC1959Y
(5V REG.)
5.9
5.1
R1022
R1025
6.0
150
150
D1011
MA4051NM
D1012
MA165
D1008
11ES1
Q1012
D1004
2SC1959Y
11ES1
(3.3V REG.)
4.3
3.3
C1027
0.1
4.0
R1004
C1028
1K
25V47
5.1
R1009
470
D1005
MA4056NH
5
Q1003
2SB710A
(POWER SAVE CONTROL)
37.1
37.1
36.4
R1016
10K
R1015
10K
12.3
0
12.2
0
QR1005
4.8
UN2211
(POWER ON:ON)
D1009
MA4033H
D1010
MA165
6
46
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