Operation/Display Schematic Diagram - JVC HR-XVC20US Service Manual

Dvd/cd player hi-fi stereo video casstte recorder
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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-4M6SDRVGWB
15
14
13
12
11
10
9
8
7
6
5
SEG1 SW
Q664
KRC103SRTK
R674
0
1.9
1G SW
180
Q665
2.0
KTA1504S_Y_RTK
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
KTA1504S_Y_RTK
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
KTA1504S_Y_RTK
5.2
1.7
SEG6 SW
4.9
Q657
KRC103SRTK
R667
0
0.4
180
4.0
DVD LED SW
Q666
0
KRA103SRTK
R683
5.2
5.2
560
W802
NC
CAUTION: DIGITAL TRANSISTOR
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
2-9
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
E
F
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
KTA1504S_Y_RTK
1.3
5.2
SEG8 SW
Q655
4.9
KRC103SRTK
R665
3.5
0
180
SEG7 SW
Q656
0
KRC103SRTK
OS651
R666
3.1
0
PIC-37043LO
180
4G SW
4.9
Q654
Vout
1
0
0
KTA1504S_Y_RTK
GND
2
1.7
5.2
5.1
B+
3
4.9
GND
R657
R658
2.7K
1.8K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F
2-10
G
H
FROM/TO SYSCON
DVD_LED
VCR_LED
1G/VCR/T-REC_LED
2G/DUB/REC_LED
3G/TV/VCR_LED
4G/VSC_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
REM_IN
R651
AT+5.2V
100
1/4W
FROM POWER
D656
LEM_VCC
1N4005-EIC
AT+5.2V
GND
AT+5.2V
KEY-A
PCB010
R659
KEY-B
VMC300
1.5K
G
H
8
7
6
5
4
3
2
1

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