JVC HR-XV48EF Service Manual page 77

AUDIO BLOCK DIAGRAM
3 6 SW/JACK
J7201
4 L
AUDIO IN(L)
3
6
R
AUDIO IN(R)
7
5
TUNER
TU6002
ANT IN
SIF OUT 22
ANT OUT
AUDIO OUT 15
IC8001
CN7301
3
L
AOUTL 1 AMP
TO
5
R
AOUTR
3 AMP
DVD UNIT
SPDIF 17
J7010
1
OPTICAL OUT
3 6 TERMINAL (I/O)
L
R
L
R
IC901
J902
43
(AV2 IN/DECODER)
48
AMP
46
A.IN(L) 6
42
A.GND 4
49
AMP
45
3 A.OUT(L)
1 A.OUT(R)
A.IN(R) 2
J901
(AV1 IN/OUT)
A.IN(L) 6
J7007 A.GND 4
4
3
A.OUT(L)
L
VHS 2
1 A.OUT(R)
AUDIO OUT R
1
A.IN(R) 2
CN7201 CN7112
F.AUDIO[L] F.AUDIO[L]
1 7
F.AUDIO[R] F.AUDIO[R]
3 9
IC6701
27
2 DEMOD(L)
L out
INPUT
43 26 DEMOD(R)
MONO_IN R out
1 DVD_OUT[L]
7
DVD_OUT[R]
CN914 CN7101
DEC_OUT[L]
L
1 1
DEC_OUT[R]
R
2 2
FMA_OUT[L]
L
10 10
FMA_OUT[R]
R
11 11
L A.IN2[L]
L
7 7
A.IN2[R]
R R
8 8
L A.IN1[L]
L
4 4
A.IN1[R]
R R
5 5
0 3 MAIN (VIDEO/N.AUDIO, FMA, TERMINAL, TUNER)
IC2201
52
L
EXT4_IN(L)
51
R
EXT4_IN(R)
13
L
TV_IN(L)
8
R
TV_IN(R)
64
L
DEC_OUT(L)
R 63
DEC_OUT(R)
WF1
14
L
EXT1_IN(L)
R 9
EXT1_IN(R)
15
L
EXT2_IN(L)
PB_FM_IN
10
R
EXT2_IN(R)
4
PRE_OUT
EXT3_IN(L)
3
BS_IN(L)
L
2
EXT3_IN(R)
1
R MUTE_CTL
BS_IN(R)
WF2
57
LINE_OUT(L)
NORMAL_OUT
53
LINE_OUT(R)
62
NORMAL_IN
L MUTE
CONTROL
R
(Q2201 - Q2204)
WF6
WF5
X1
6 69 71
DET
VCA
REC
EQ
IC1
(VIDEO/N.AUDIO SIGNAL PROCESSOR)
2-39 2-40
CN1
22
CH1
21
COM
24
CH2
WF3
TP2253
WF4
A.PB_FM
30
29
42
CLK
43
DATA
36
45
fsc_IN
61
SW5V
NOT
Q2001 POWER
USED
-Q2003 SW
1 2 3 4 65 79
Q2052-Q2055
POWER
SW
A.MUTE
SP ON
OSC Q2051
94 CN2002
R
5
FILTER
95
TRANS
- 6
2
+
P
T2051
PRE AMP
96
+
REC ON
97
CN2001
EP(LP) ON
98
FILTER
WF7
A UDIO HEAD
7
FMA_CH1
8
9
FMA_CH2
TO
SYSCON
H.REC_ST(H)
I2C_CLK_AV
I2C_DATA_AV
A.MUTE(H)
N.REC_ST(H)
N.REC(H)
TO
2Fsc
ON SCREEN
FULL ERASE HEAD
1
F. ERASE
1 2
A/C HEAD
3 4
A.ERASE
4 3
2 5
REC/PB
1 6