JVC HR-XVC20US Service Manual page 39

Dvd/cd player hi-fi stereo video casstte recorder
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A
B
AUDIO/VIDEO SCHEMATIC DIAGRAM
8
(DVD PCB)
FROM/TO MPEG/MICON
P.CON+A5V
DAC_VIDEO_A
7
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
P.CON+5V
P.CON+3.3V
R8134
470
DVD_AUDIO_L
R8135
DVD_AUDIO_R
AT+5V
SPDIF
B8102
P.CON+12V
V_SW
FCM2012H-102T04
6
RESET
B8101
MC
FCM2012H-102T04
MD
ML
AMCLK
ABCLK
ALRCLK
ASDATA0
SPDIF
GND
5
D_GND
AT+5V
P.CON+12V
FROM MEMORY
RESET
4
B7301
B7302
FCM2012H-102T04
FCM2012H-102T04
3
2.6
2.6
5.2
8
7
9
10
0
2.6
2.9
2
PLAYBACK COLOR SIGNAL
R.SIGNAL
+ COMPONENT SIGNAL(U)
PLAYBACK LUMINANCE SIGNAL
1
B.SIGNAL
+ COMPONENT SIGNAL(V)
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
DIGITAL AUDIO SIGNAL(PB)
A
B
C
D
P.CON+A5V
470
7
OPTICAL
B8103
OS8101
OFTG038101
FCM2012H-102T04
1
INPUT
DVD AUDIO OUT
J8101
2
VCC
MSP-213V1-732_PB
3
GND
1.2
H2
H1
H1
D AUDIO DRIVER
3
2
5
R8130
1.7
Q8107
KTC3875S_Y_RTK
2.2K
1
4
0
E
E
C7310
R7307
50V
2.2
YK
10K
C8106
0.0015 B
C7308
R7306
R8108
50V
2.2
YK
10K
10K
R8104
10K
0
3.2
0
3.1
3.1
3.1
4
6
5
4
3
2
1
5
5.8
R8102
R8106
11
12
13
14
15
16
3.0
3.0
3.0
2.9
3.1
100K
47K
NC
R8101
C8105
10K
0.0015 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
Note :
E
6.3V
W865
C8134
DAC_VIDEO_A
12P CH
L8101
1uH
0305
C8135
DAC_VIDEO_C
12P CH
L8102
1uH
0305
C8136
W819
DAC_VIDEO_B
12P CH
L8103
1uH
0305
8
C8137
W820
DAC_VIDEO_D
C
12P CH
L8104
1uH
0305
5
C8112
R8112
50V
22
YK
470
5.8
5.8
5.8
3
2
1
5.0
-
5.0
+
+
-0.2
-
6
7
8
5.8
5.8
11.6
R8113
56
6
C8113
R8115
50V
22
YK
470
5.0
D8101
0
MCL4148
0
MUTE SW.
0.3
Q8102
0.6
R8111
R8114
KRC103SRTK
MUTE DET
10K
1K
0
Q8101
KTC3875S_Y_RTK
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
E
2-25
2-26
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
F
G
C8146
C8144
6.3V
470
YK
C8145
470
YK
6.3V
470
YK
NC
NC
1
2
3 4
5
6
7
8
11 12 13 14 15 16 17 18
NC
NC
NC
10
11
12
9
4
3
Y
2
1
H1
H2
H1
5
3
2
YUV OUT
6
5
J8103
4
1
E
E
MSP-213V1-652_PBSN
MUTE SW
Q8106
KRC104SRTK
0
2.6
ZERO
3.2
R8123
4.7K
SYS_MUTE
DVD_AUDIO_R
MUTE SW.
Q8103
KRA101SRTK
MUTE SW
Q8105
KTC3875S_Y_RTK
0
R8124
-0.3
DVD_AUDIO_R
1K
0
DVD_AUDIO_L
DVD_AUDIO_L
0
DAC_D_DVD_VIDEO
R8122
SYS_MUTE
-0.3
1K
RESET
0
MUTE SW
Q8104
KTC3875S_Y_RTK
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
DAC_D_DVD_VIDEO
7
L
H
S/CVBS
COMP
VIDEO OUT SW
SW8101
SK42H0IG9A
6
5
4
1.25m FFC
CD8002
3
2F080601
FRON/TO TUNER/JACK
CP8102
(CP8002)
IMSA-9604S-08C
DVD_AUDIO_R
8
GND
7
DVD_AUDIO_L
6
GND
5
2
DAC_D_DVD_VIDEO
4
SYS_MUTE
3
DVD_RESET
2
NC
1
PCB130
VMC298
1
H

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