JVC HR-S6950EU, Service Manual

Page: 83 / 84

1
2
3
5
4
A B C D E F G H
AUDIO BLOCK DIAGRAM 4.29
4-52 4-51
WF3
WF5
WF6
WF2
WF1
WF7
WF4
R
L
6
5
CN2001
CN2002
Q2051
Q2052-Q2055
T2051
B2051
EQ
P
R
PRE AMP
REC ON
REC
VCA
DET
FILTER
FILTER
TRANS
OSC
POWER
SW
3 0
+
-
2
1
A.MUTE
SP ON
A.MUTE(H)
N.REC(H)
FULL_E_ON(H)
TO
SYSCON
A. ERASE
REC/PB
F. ERASE
6
7
A/C HEAD
2 1
N.REC_ST(H)
53 63 64 62 61 78 44
EP(LP) ON
95
96
97
98
99
FULL ERASE HEAD
CN1
(VIDEO/N.AUDIO SIGNAL PROCESSOR)
IC1
+
NOT
USED
NOT
USED
2
1
IC2201
61
NORMAL_OUT
62
NORMAL_IN
TV_IN(L)
TV_IN(R)
FMA CH1
AUDIO HEAD
CN1
FMA CH2
J7105
8
6
7
5
3
4
10
EXT2_IN(R)
15
13
63
64
53
57
14
9
4
2
8
EXT2_IN(L)
EXT3_IN(L)
EXT3_IN(R)
EXT1_IN(L)
EXT1_IN(R)
DEC_OUT(R)
DEC_OUT(L)
LINE_OUT(R)
LINE_OUT(L)
22
CH1
21
COM
24
CH2
59
RFC_OUT
36
fsc_IN
MUTE_CTL
I2C_CLK_A/V
I2C_DATA_A/V
43
45
DATA
42
CLK
30
PB_FM_IN
H.REC_ST(H)
PAL_PB(H)
TP2253
A.PB.FM
MAIN(VIDEO/N. AUDIO, FMA, MAIN TERMINAL, TUNER)
FRONT
AUDIO IN(R)
AUDIO IN(L)
PRE_OUT
29
7
8
9
3
4
5
4
40 38
X1
R
R
L
L
J916
REAR OUT
2
1
2
(Q2201-
Q2204)
MUTE
CONTROL
AUDIO(R)
AUDIO(L)
4
A.OUT(L)
A.OUT(R)
A.GND
A.IN(L)
2
3
1
J901
(AV1 IN/OUT)
AUDIO IN 27
TU6001
ANT IN
ANT OUT
AUDIO OUT
SIF OUT
46
47
6
A.IN(R)
J902
(AV2 IN/DECODER)
4
A.OUT(L)
A.OUT(R)
A.GND
A.IN(L)
2
3
1
6
A.IN(R)
4
6
Q2061
Q2062
Q2063
Q2255
T2052
TRANS
OSC
POWER
SW
R
L
SW
6
5
10
9
CN6701
SIF
COMP
DEMOD (L)
DEMOD (R)
TO DEMODULATOR
CN6701
1
J915
CN904
CN914
11
10
6
7
5
4
9
8
6 0 TERMINAL(I/O)
Q24
BUF
E. & O. E. No. 82923 (VP)-V15S1/S2/S15
Note : For the waveforms in this block diagram, refer to page 4-40.
ONLY USED FOR
HR-S7955MS
ONLY USED FOR
HR-S6950EU/S6955MS
HR-S7950EU/S7955EK
www.freeservicemanuals.info 3/28/2017
Digitized in Heiloo Netherland