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JVC DR-MH20SE Service Manual Page 31

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Audio signal control section
AV1_L
AV2_H
TO
I2C_CLK2
I2C_DATA2
SHEET 12
A_MUTE1[H]
5
ADC_RST[L]
TO
TU_AUDIO[R]
SHEET 13
TU_AUDIO[L]
C8001
R8001
C8002
R8002
100p
51k
100p
51k
TO
F_AUDIO[R]
SHEET 9
F_AUDIO[L]
AUDIO_IN1[R]
TO
AUDIO_IN1[L]
AUDIO_IN2[R]
4
SHEET 11
AUDIO_IN2[L]
R8007 R8008
R8013 R8014
R8015 R8016
47k
47k
47k
47k
3
L8001
D3.3V
OPEN
D5V
AL12V
TO SHEET 10
AL-12V
GND
V3.3V
L8501
C8503
R8506
4.7
/50
C8504
10
C8501
150P
100
R8504
/16
82
C8505
C8502
2
330P
K8501
R8505
0.1
10
#
J8501
NQR0227-004
C8506
0.1
IC8501
SN74LV08APW
K8401
C8402
NQR0339-001X
0.1
C8401
100
/6.3
1
A
C8005
1
/50
R8017
20k
C8007
1
/50
R8019
47k
_0.5%
C8008
1
/50
R8020
47k
_0.5%
C8009
1
/50
R8021
47k
_0.5%
IC8001
AK5365VQ
C8010
1
/50
R8022
47k
47k
47k
_0.5%
C8011
1
/50
R8023
47k
_0.5%
C8012
1
/50
R8024
47k
_0.5%
R8026
C8014
1
/50
20k
R8031
20k
_0.5%
C8029
OPEN
C8021
4.7
/50
C8022
R8032
C8024
4.7
/50
20k
_0.5%
0.1
C8023
100
/6.3
K8001
NQR0339-001X
R8502
560
R8501
4.7
R8503
R8321
220
560
C8322
C8321
0.1
220
/16
R8507
560
R8326
3.3k
R8325
10k
B
C
R8046
10k
R8040
56K
R8047
15k
R8041
82K
R8038
OPEN
C8201
C8202
0.1
470
/6.3
K8201
4.7
IC8201
AK4381VT
R8037
OPEN
R8202 R8203 R8204
47
47
R8201
R8036
10
10
R8035
47
R8205
OPEN
R8033
R8034
C8026
C8028
47
47
0.1
0.1
C8027
C8025
100
/6.3
4.7
/50
K8002
NQR0339-001X
R8323
10k
R8324
3.3k
R8322
220
IC8303
BA15218F
C8324 C8323
0.1
220
/16
D
E
2-25
2-26
D8202
1SS133
D8201
OPEN
R8220
5.1k
_0.5%
Q8202
R8218
C8208
R8222
DTA144WKA
_0.5%
470p
120
4.3k
R8223
Q8201
220
_0.5%
DTC144WKA
C8206
4700p
R8221
C8210
R8217
120
C8207
C8209
R8250
220
C8217
4.3k
_0.5%
470p
0.1
470
/16
47
/25
_0.5%
R8219
5.1k
R8249
_0.5%
27k
R8214
C8205
5.1k
470p
_0.5%
IC8202
BA15218F
R8212
R8216
_0.5%
120
R8224
4.3k
_0.5%
220
C8203
4700p
R8215
C8211 C8212
0.1
220
/16
R8211
120
R8242
C8204
C8215
4.3k
_0.5%
470
470p
47
/25
_0.5%
R8213
5.1k
R8241
_0.5%
27k
IC8301
C8305
LA7151M-X
4.7
/50
C8308
4.7
/50
C8304
C8307
4.7
4.7
/50
R8301
10
C8306
C8303
4.7
/50
4.7
/50
C8302
0.1
C8301
R8303
470
/16
470
R8305
47
6.8k
R8304
27k
Q8301
2SC2412K/QRS/
R8306
470
R8308
6.8k
R8307
27k
Q8302
2SC2412K/QRS/
R8206
100k
IC8302
C8315
LA7151M-X
4.7
C8318
4.7
/50
C8314
C8317
R8302
4.7
/50
10
4.7
C8313
/50
4.7
C8312
0.1
C8311
470
/16
R8309
470
R8311
Q8303
R8310
2SC2412K/QRS/
27k
R8312
470
R8314
R8313
27k
Q8304
2SC2412K/QRS/
F
R8252
6.8k
Q8205
2SC2412K/QRS/
R8234
47k
R8233
47k
R8244
6.8k
Q8203
AUDIO_OUT1[R]
2SC2412K/QRS/
AUDIO_OUT1[L]
TO
LINE_OUT[L]
SHEET 11
LINE_OUT[R]
DEC_OUT[L]
DEC_OUT[R]
R8315
47
/50
R8316
47
/50
4.7
/50
/50
6.8k
6.8k
A_MUTE2[H]
DAC_SDA
DAC_SCL
A_DAC_CS
DAC_RST[L]
TO
AO_FSYNC
SHEET 10
AO_D[0]
AO_SCLK
AO_MCLKO
AI_D[0]
AO_IEC958
p20424001a_rev0
SHEET 8
G

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