Operation/Display Schematic Diagram - JVC HR-XVC1U Service Manual

A B
8
7
6
5
4
3
2
CAUTION: DIGITAL TRANSISTOR
1
A B
C D

OPERATION/DISPLAY SCHEMATIC DIAGRAM

(VCR PCB)
V651 ELF-4M6SDRSOWB
15 14 13 12
SEG1 SW
Q664
KRC103SRTK
R674
0 1.9
1G SW 180
Q665
2.0
2SA1037AK
5.2 1.7
SEG2 SW
Q663
4.9
KRC103SRTK
R673
0 0.4
SEG3 SW 180
Q662
4.0
KRC103SRTK
R672
0 0.4
2G SW 180
Q661
4.0
2SA1037AK
5.2 1.7
SEG4 SW
4.9
Q660
KRC103SRTK
R670
0 1.1
SEG5 SW 180
Q658
4.0
KRC103SRTK
R668
0 1.0
3G SW 180
Q659
3.0
2SA1037AK
5.2 1.7
SEG6 SW
4.9
KRC103SRTK
0
4.0
FROM/TO OPERATION
CP651 (CP681)
IMSA-9604S-05Z13
FFC
CD651 1 DVD LED
2H052402
2 GND
3 NC
4 KEY-A
5 KEY-B
CAUTION: DIGITAL TRANSISTOR
C D
2-21
E F
11 10 9 8 7 6 5 4 3 2 1
SEG10 SW
Q652
KRC103SRTK
R662
0.9 0
180 SEG9 SW
Q653 4.0
KRC103SRTK
R663
0.4 0
180 5G SW
Q651
4.0
2SA1037AK
1.3 5.2
SEG8 SW
Q655 4.9
KRC103SRTK
R665
3.5 0
180 SEG7 SW
Q656
0
KRC103SRTK
R666
3.1 0
180
4G SW
0
Q654
Q657
2SA1037AK
R667
0.4 1 .7 5.2
180
4.9
DVD LED SW R657
0
Q666
KRA103SRTK 2.7K
5.2 5.2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
E F
2-22
G
FROM/TO VCR SYSCON
DVD_LED
VCR_LED
1G/VCR/T-REC_LED
2G/DUB/REC_LED
3G/TV/VCR_LED
4G/T_SHT_LED
5G/CS/BS_LED
SEG_1
SEG_2
SEG_3
SEG_4
SEG_5
SEG_6
SEG_7
SEG_8
SEG_9
SEG_10
REM_IN
KEY-B
KEY-A
OS651
PIC-37043LO
REM_IN
Vout 1
GND 2
R651
AT+5.2V
B+ 3
1001/4W
FROM/TO REGULATOR
D656
AT+5.2V_VCC
R653 1N4005-EIC
VCR_LED AT+5.2V
330 GND
AT+5.2V
R658 R659
KEY-B
1.8K 1.5K
PCB010
KEY-A
VMA237
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
G
H
8
7
6
5
4
3
2
1
H