Audio/Video Schematic Diaram - JVC HR-XVC25US Service Manual

Dvd/cd player hi-fi stereo video cassette recorder
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A
B
AUDIO/VIDEO SCHEMATIC DIAGRAM
8
FROM/TO MPEG/MICON
P.CON+A5V
7
DAC_VIDEO_A
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
P.CON+5V
P.CON+3.3V
R8134
DVD_AUDIO_L
470
R8135
DVD_AUDIO_R
470
SPDIF
AT+5V
B8102
P.CON+12V
V_SW
6
FCM2012H-102T04
RESET
B8101
MC
FCM2012H-102T04
MD
ML
AMCLK
ABCLK
ALRCLK
ASDATA0
SPDIF
GND
5
D_GND
AT+5V
P.CON+12V
FROM/TO MEMORY
4
RESET
B7301
B7302
FCM2012H-102T04
FCM2012H-102T04
3
2.6
2.6
5.2
3.2
8
7
6
5
9
10
11
12
0
2.6
2.9
3.0
NC
2
PLAYBACK COLOR SIGNAL
R.SIGNAL
1
PLAYBACK LUMINANCE SIGNAL
B.SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
DIGITAL AUDIO SIGNAL(PB)
A
B
C
(DVD PCB)
P.CON+A5V
7
OPTICAL
B8103
OS8101
GP1FA553TZ
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
Q8107
1.7
KTC3875S_Y_RTK
2.2K
1
4
0
E
E
C7310
R7307
50V
2.2
YK
10K
C8106
0.0015 B
C7308
R7306
R8104
R8108
10K
50V
2.2
YK
10K
10K
0
5.8
0
3.1
3.1
3.1
4
3
4
3
2
1
+
-
5
6
5.8
5.8
R8102
R8106
13
14
15
16
3.0
3.0
2.9
3.1
100K
47K
R8101
C8105
10K
0.0015 B
+ COMPONENT SIGNAL(U)
+ COMPONENT SIGNAL(V)
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
C8144
6.3V
470
W865
C8134
DAC_VIDEO_A
12P CH
L8101
1uH
0305
C8135
DAC_VIDEO_C
12P CH
L8102
1uH
0305
C8136
DAC_VIDEO_B
W819
12P CH
L8103
1uH
0305
8
C8137
4
DAC_VIDEO_D
C
W820
2
12P CH
L8104
6
1uH
0305
5
C8112
R8112
50V
22
YK
470
5.8
5.8
2
1
5.0
5.0
-
Q8103
+
KRA101SRTK
-0.2
7
8
5.8
11.6
R8113
56
6
C8113
R8115
50V
22
YK
470
5.0
D8101
0
R8122
MCL4148
0
MUTE SW.
1K
0.3
Q8102
R8111
R8114
0.6
KRC103SRTK
MUTE SW
MUTE DET
Q8104
10K
1K
0
Q8101
KTC3875S_Y_RTK
KTC3875S_Y_RTK
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
2-23
2-24
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.
F
G
C8146
6.3V
470
YK
YK
C8145
6.3V
470
YK
DAC_D_DVD_VIDEO
L
NC
NC
S/CVBS
1
2
3 4
5
6
7
8
VIDEO OUT SW
SW8101
11 12 13 14 15 16 17 18
SK42H0IG9A
NC
NC
NC
10
11
12
9
3
Y
1
H1
H2
H1
5
3
2
YUV OUT
5
J8103
4
1
E
E
MSP-213V1-652_PBSN
KRC104SRTK
Q8106
0
MUTE SW
2.6
ZERO
3.2
R8123
4.7K
SYS_MUTE
DVD_AUDIO_R
MUTE SW.
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
SYS_MUTE
-0.3
RESET
0
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
DAC_C[B]U_VIDEO
DAC_B[R]V_VIDEO
H
COMP
6
DAC_A[G]Y_VIDEO
5
4
3
FRON/TO TUNER/JACK
CP8102
(CP8002)
IMSA-9604S-08C
DVD_AUDIO_R
8
GND
7
DVD_AUDIO_L
6
1.25m FFC
GND
5
2
CD8002
2F080601
DAC_D_DVD_VIDEO
4
SYS_MUTE
3
DVD_RESET
2
NC
1
1
PCB130
VMC298
H

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