Sanyo VHR-VT221A Service Manual page 43

A B
8
7
6
(OPERATION PCB)
5
REW/REV
SW607
SKQNAED010
PLAY
SW606_1
SKQNAED010
FF/CUE
4
SW605
SKQNAED010
REC/OTR
SW604_1
SKQNAED010
STOP/EJECT
SW603_1
SKQNAED010
3
2
1
A B
49
C D
OPERATION SCHEMATIC DIAGRAM
1G SW
Q651
2SA1037AK
5.06
OS651
PIC-37043LO
Vout 1
GND 2
B+ 3
POWER
SW608
SKQNAED010
CP601 CD601 CP651
B2013H02-3P A2001WV2-3P
CU230701
KEY-A 1 1
KEY-A
CH.UP_SW 2 2 CH.UP_SW
GND 3 3 GND
PCB270
VE9863
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
C D
E
(SYSCON PCB)
V651 ELF-4B6GWB/S294
15 14 13 12 11 10 9 8 7 6 5
1.97
SEG1 SW
Q652
KRC103SRTK
0.0 0.0 R659
SEG2 SW
180
Q653
3.26 KRC103SRTK
0.0 0.0 R661
SEG3 SW
180
Q654
KRC103SRTK
3.94
0.0 0.0 R662
2G SW
180
Q655
3.94 2SA1037AK
5.09 1.99
SEG4 SW
Q656
4.86
KRC103SRTK
0.0 0.0 R664
3G SW
180
Q657
3.94
2SA1037AK
5.08 2.17
SEG5 SW
Q658
4.85
KRC103SRTK
0.0 0.0 R666
SEG6 SW
180
Q659
3.94
KRC103SRTK
0.0 0.0 R668
180
3.35
E
F G
4 3 2 1
5G SW
Q665
2SA1037AK
1.05 5.06
SEG10 SW
Q664
KRC103SRTK 4.89
R676 0.0
0.0
SEG9 SW
180
Q663
3.95
KRC103SRTK
R672 0.0 0.0
4G SW
180
Q662
2SA1037AK 3.16
2.17 5.08
SEG8 SW
Q661
KRC103SRTK 4.86
R670 0.0 0.0
SEG7 SW
180
Q660
3.24
KRC103SRTK
R669 0.0 0.0
180
3.12
D651
1N4005-EIC
AT+5V
KEY-A
CH.UP_SW
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
FROM/TO SYSCON/SERVO/TIMER
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
5
SEG9
SEG10
GRID1
GRID2
GRID3
GRID4
GRID5
KEY-A
CH.UP_SW
REMOCON
AT+5V
4
FROM POWER
GND
AT+5.8V_A
3
2
PCB010
VMA231
1
H
50