Panasonic NV-MV20EG Service Manual page 156

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
I :TO INPUT/OUTPUT SECTION
T :TO TIMER SECTION
G
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 GND
I T GND
S V T GND(SYS)
S T GND(FIP)
S GND(CTL)
S GND(FG)
S GND(MOTOR)
V GND(A)
V GND(HA)
D
V GND(V)
V GND(NA)
I GND(AV)
T HEATER(+)
C
S POWER OFF L
S REG 5V
V VIDEO 5V
S I PS 12V
S V PS 5V
V BIAS 5V
S T N.SW 5V
B
V AUDIO OUT
I RFC VIDEO OUT
S SYS IIC CLOCK
S SYS IIC DATA
S SW2
S AFC S-CURVE
V TUNER VIDEO
V TUNER AUDIO
S AUDIO DEF H
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
A7
A8
R1008 C1003
A9
470 0.1
A10
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
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
D1002 C1011
MA4056NH 25V47
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP
4
AUDIO MAIN SIGNAL PATH
AUDIO MAIN SIGNAL PATH
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
5.1
R1009
5.9
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)
A10
6
40