Sanyo VHR-VT821A Service Manual page 42

A B
8
7
240V_50Hz
CD501_1
06469801
BLUE S502 FH501 FH502
EYF-52BC EYF-52BC
BROWN S501
6
F501
50T016HCC
T1.6A 250V
5
4
3
2
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
1 DESCRIBED IN PARTS LIST ONLY
A B
47
C
POWER SCHEMATIC DIAGRAM
D503
1N4005-EIC
D505
L503
1N4005-EIC
0R3A433F20
3 4 D504
TRANSFORMER
1N4005-EIC
1 2
SWITCHING
T501
8122017
D506
6.85
1
1N4005-EIC
8.90
2
0
12 NC 3
232.3
4
SWITCHING
7.21
Q503
5
2SC3751
308
0.2
0.1
C510
0.2
CONTROL
0.018 B
Q501
2SC2120Y
0.4
0
D508
C505 1SS133
0.0056 B
R501
22K R511 R510
330K1/2W 330K1/2W
PHOTO COUPLER
IC502
LTV-817M-VB
R509 -0.057
1K 1/4W
0.265
ATTENTION: LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(SYSCON PCB)
R514
D501
1SS244 470 1/4W
W866
-38.90
L502
D520
10
-12.28 22uH
SB290S
9
-1.42 C520_1
W817
8
500V 0.01 E
0
7
0
6
C529 R526
D515 R517 0.1 F 47K
1SS133 5.6K 1/4W
L501
D516
22uH
SB140-EIC
D514
W810
SB140-EIC
R512
1K 1/4W
4.78
3.734 C515
0.01 B
VOLTAGE CTL IC
IC501 KIA431
OUT GND IN
3 2
4.9 0 2.5
NOTE: THE DC VOLTAGE AT EACH PART WAS
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK
D E
F G
D507
1N4005-EIC
13.77 11.02
12V REG.
Q511
11.66
KTC3203_Y
5.77 5.61 D526
SB140-EIC
4.97
P.CON+5V SW
Q506
KTA1273_Y
R525
0
470 1/4W 4.95
P.ON SW
0
Q505
DTC143EKA
1
CAUTION: DIGITAL TRANSISTOR
F G
H
8
TO TUNER/HI-FI
+32V
7
VCC+12V_A
P.CON+5V
GND
6
TO OSD/VPS
GND
P.CON+5V
TO Y/C/AUDIO/HEAD AMP
P.CON+5V
AT+5.8V
5
GND
FROM/TO SYSCON/SERVO/TIMER
AT+5.8V
P.CON+5V
AT+12.6V
POWER_FAIL
CAP_VCO
4
POWER_ON-H
(MOTOR)
GND
(S/S)
GND
AT+5.8V_A
TO NICAM
P.CON+5V
GND
3
TO OPERATION
AT+5.8V_A
GND
2
PCB010
VMA231
1
H
48