JVC DR-MV1SUC Service Manual page 52

AUDIO BLOCK DIAGRAM
2 7 OPE/JACK
CN7201
J7201
4
L
7
AUDIO IN (L)
3
6
R
5
AUDIO IN (R)
7
5
VHS TUNER
TU6001
ANT IN
SIF OUT 47
ANT OUT
1 4 DEMOD
IC8001
VDR TUNER
TU6002
ANT IN
CN65001 CN6701
SIF OUT 21
INPUT
ANT OUT 14 9 9
JUNCTION ( AUDIO AD/DA, VIDEO )
9 2
TO DIGITAL
IC8002
(VIDEO IF)
A/D
CN1001 CN7108
9
AI_D(0) 5 SDTO 2 7
AINL
11
MCLK
12
AO_IEC958 19 SCLK 1 1
AINR
10
LRCK
TO DIGITAL
IC8202
D/A
(VIDEO IF)
CN1002 CN7109 12 3
3 AOUTL+
AO_D(0) 28 SDTI AOUTL- 11 2
4
LRCK AOUTR+ 10 5
AO_FSYNC 19
2
AOUTR- 9 6
AO_SCLK BICK
26
1
MCLK
AO_MCLK 24
8
DAC_SDA CDTI
25
7
DAC_SCL
27 CCLK
6
A_DAC_CS CSN
23
5
DAC_RST(L)
21 PDN
J8401
1
OPTICAL OUT
J7501
VDR OUT 3
L
AUDIO ( L)
2
R
AUDIO ( R )
1
7
L-1 IN
L
AUDIO (L)
6
R
AUDIO (R)
5
J7502
LINE OUT
3
7
L
MUTE
AUDIO ( L)
CONTROL
2
1
R
(Q2601 - Q2603)
AUDIO ( R )
1
TO
SYSCON
A.MUTE(H) A.MUTE(H)
VDR(H) VDR(H)
A_INPUT_SEL1 A_INPUT_SEL1
A_INPUT_SEL2 A_INPUT_SEL2
CN3104
L
7
R
9
CN6701 CN6501
30
L out
DEMOD2(L)
6 6
29 DEMOD2(R)
5 5
R out
IC2602
IC8001 IC2603
11
CN8001 CN2601
12
5 7 5 13
AMP 7 7 AMP 14
15
3 1 3
5 5
AMP AMP
1
2
3
3 3
4
5
IC8201
1 1
9,10
1 A_INPUT_SEL1
AMP
A_INPUT_SEL2
7
AMP
11 11
L
R
IC2604
IC2605
11
L
12
5 13
AMP 14
15
3
AMP
1
2
R
3
4
5
9,10
A.MUTE(H)
VDR(H)
MAIN ( VIDEO/N. AUDIO , FMA/DEMOD, TERMINAL, TUNER )
0 3
WF1 IC2201-15 WF2 IC2201-57 WF3 IC2201-21 WF4
REC/PB 60mVp-p REC/PB 0.2Vp-p REC 1.0Vp-p
20mV/20µsec/DIV 50mV/20msec/DIV 20mV/0.5µsec/DIV 20mV/5µsec/DIV
IC2201
48
SIF_IN
14
EXT1_IN(L)
9
EXT1_IN(R) CH1
15 COM
L
EXT2_IN(L)
CH2
10
R
EXT2_IN(R)
WF1
L
PB_FM_IN
4
PRE_OUT
EXT3_IN(L)
R 3
CLK
BS_IN(L)
2
DATA
EXT3_IN(R)
1
MUTE_CTL
BS_IN(R)
fsc_IN
WF2
57
LINE_OUT(L)
NORMAL_OUT
53
LINE_OUT(R)
62
NORMAL_IN
MUTE
CONTROL
(Q2201 - Q2204)
WF6
X2
NOT
USED
WF5
6 69 67 1
DET
VCA
REC
EQ
IC1
( VIDEO/N.AUDIO SIGNAL PROCESSOR)
2-57 2-58
TP2253
A.PB_FM WF5 IC1-6 WF6 IC1-2 WF7 IC1-98
PB 0.7Vp-p REC/PB 0.3Vp-p REC/PB 25mVp-p REC 0.4Vp-p
50mV/20ms/DIV 5mV/20ms/DIV 0.1V/20ms/DIV
CN1
22
21
24
WF3
TP2253
WF4
A.PB_FM
30
29
42
43
36
45
61
SW5V
NOT
USED
Q2001 POWER
2 3 4 63 79
-Q2003 SW
Q2052-Q2055
A.MUTE
POWER
SW
SP ON
94 OSC
Q2051
R
95 FILTER
-
CN2002
5
+
P
TRANS 6
PRE AMP
2
T2051
96
+
REC ON
97
CN2001
EP ( LP ) ON
98
FILTER
WF7
AUDIO HEAD
7
FMA_CH1
8
9
FMA_CH2
TO
SYSCON
H.REC_ST(H)
I2C_CLK_AV
I2C_DATA_AV
A.MUTE_VHS(H)
N.REC_ST(H)
N.REC(H)
TO
VIDEO SW
Fsc
FULL ERASE HEAD
1
F. ERASE
1 2
A/C HEAD
CN1
3 4
A. ERASE
3
4
2 5
REC/PB
1 6