Advertisement
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/AUDIO SECTION
A
:TO Hi-Fi AUDIO SECTION
T
:TO TIMER SECTION
G
P
HEATER DC (-)
P
HEATER DC (+)
T
HEATER (+)
P
UNREG -29V
T
FIP -29V
S
FIP
L
S
S
POWER OFF
POWER OFF
H
S
POWER SAVE
H
F
P
UNREG 36V
P
UNREG 14.5V
P
UNREG 5.6V
E
P
GND
S
GND
S
GND (SYS)
S
GND (FG)
S
GND (MOTER)
S
GND (CTL)
S
GND (AV)
V
GND
V
GND (SYS)
D
V
GND (HA)
V
GND (HA2)
A
GND
A
GND (SYS)
A
GND (LVM)
A
GND (HA2)
T
GND
C
P
UNREG 6V
V
DNR 5V
V
VIDEO 5V
S
REG 5V
S
A
PS 12V
S
A
PS 5V
V
BIAS 5V
S
V
N.SW 5V
A
T
N.SW 5V
S
AUDIO DEF
H
B
A
RFC VIDEO OUT
A
TUNER AUDIO (L)
A
TUNER AUDIO (R)
S
OSD IIC DATA
S
OSD IIC CLOCK
V
TUNER AUDIO (N)
A
TUNER VIDEO
S
AFC S-CURVE
S
MAIN IIC DATA
S
MAIN IIC CLOCK
A
RFC AUDIO OUT
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
Q1001
2SD602A
(BUFFER)
-17.0
R1006
R1007
10K
10K
IP1002
UNH001300A
1
2
IP1003
UNH000300A
2
1
R1024
R1025
12K
12K
IP1004
UNH000300A
2
1
IP1005
UNH000300A
2
1
A1
A2
A3
A4
A5
A6
A7
A8
A9
R1008
1K
A11
A12
A13
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
2
(FIP ON/OFF CONTROL)
-17.0
-30.0
R1003
R1004
C1026
56K
56K
0.1
-16.3
R1005
5600
0
D1004
0
Q1008
2SD1996
(5V REG)
6.0
5.1
C1018
0.1
5.8
Q1009
2SD1996
(5V REG)
6.0
5.1
C1019
0.1
5.8
C1020
0.1
IC1001
UPC1093J
C
A
5.8
C1016
R1022
25V47
560
IP1006
UNH000300A
1
2
IP1001
Q1002
UNH000300A
2SD1996
(5V REG)
1
2
6.2
5.1
C1003
0.01
5.9
C1002
D1002
50V22
MA4051NH
D1001
MA165
3
4
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
QR1002
UN2212
-30.0
C1024
0.01
5.2
D1007
MA4130NL
5.2
QR1003
UN2112
(FIP
L
:ON)
5.2
R1001
R1002
C1025
68K
68K
0.1
C1014
16V100
C1013
16V100
Q1010
2SD1996
(5V REG)
6.2
5.1
C1023
16V100
5.8
R
2.5
R1021
R1018
R1019
D1003
2700
2700
56K
MA4051NL
Q1007
2SD602A
(5V REG)
6.2
5.1
R1009
560
5.7
Q1006
2SD1996
(5V REG)
6.2
5.1
C1001
C1009
25V47
0.01
5.7
C1011
D1005
25V47
MA4051NM
D1006
MA165
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS D
5
Q1011
2SD1996
(12V REG)
15.5
12.3
C10
16V
12.9
C1021
R1023
16V22
12K
12.9
QR1006
0
UN2212
(POWER OFF
H
:ON)
C76
0.01
Q1003
2SB710A
(POWER SAVE:OFF)
38.4
38.4
R1014
4700
37.7
R1016
10K
C76
220
R7606
R76
330
330
R1015
6800
R1013
C10
1500
50V
Q1005
2SD1996
(12V REG)
15.5
11.8
C1008
C10
0.01
50V
12.4
R1010
1K
9.3
R10
Q1004
620
5.6
2SD601A
(VOLTAGE
R1011
CONTROL)
4.9
C10
5600
100
C1004
16V47
C76
0.01
C1012
50V10
Q76
C1010
2SB
R7651
50V10
1800
(BUF
1.5
A1
6
38
Advertisement
