JVC HR-J580EK, Руководство по обслуживанию

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R
L
R
R
L
L
L
R
R
L
R
L
R
R
L
L
L
R
L
R
R
L
L
R
R
R
L
L
R
L
WF1
WF2
WF3
WF4
WF5
WF6
J7105
TUNER
IC1
(VIDEO & AUDIO SIGNAL PROCESSOR)
TP2253
87
59
98
A.FF
I2C DATA
I2C CLK
FR ONT IN
REAR OUT
J7103
NORMAL
74
73
72
71
61
INPUT
SELECT
53
SELECT
(L-CH)
INPUT
L CH
EVR
SELECT
OUTPUT
R CH
A.FF
ENV DET
+
NOR DET
94
80
57
81
MIX
78
79
REDUCTION
SELECT
(R-CH)
EVR
INPUT
NOISE
LOG(L)
LOG(R)
66
65
A.PB .FM
3 0
A.ENV/ND (L)
8
7
6
5
4
3
4
2
1
(R-CH)
REDUCTION
NOISE
(L-CH)
77
75
62
DEC (R)
DEC(L)
67
68
97
96
LOGIC
DATA
CLK
115
NA EXT IN
TU
L1
L2
NA REC
LINE OUT (L )
LINE OUT (R)
NA IN
MIX
L2
L1
FR
TU
A.IN (R)
NOT
USED
L CH
NA PB
P
R
PRE AMP
SP ON
REC ON
+
-
HIFI
FM
COMMON
CH2
CH1
R CH
52
FR
REC/PB
MON
VCA
DET
EQ
REC
HIFI
HIFI
60
93
116
117
118
119
6
5
CN2001
CN2002
Q2051
Q2052-Q2055
T2051
FULL ERASE HEAD
A. ERASE
REC/PB
TRANS
OSC
POWER
SW
4
3
2
1
2
1
F. ERASE
4
5
6
7
A/C HEAD
2 1
N.REC ST (H)
SYSCON
A.MUTE (H)
PAL PB (H)
H.REC ST (H)
92
A.MUTE(H)
SELECT
INPUT
SW
50
48
82
63
NOT
USED
64
+
+
NOT
USED
Q2251
Q2252
CN1
FMA CH1
FMA CH2
9
10
11
CN1
AUDIO HEAD
MAIN (VIDEO/A UDIO, TERMINAL)
DEMOD (L)
DEMOD (R)
RF AUDIO
TO
HR-J780EU
ONLY USED FOR
PRE/REC AMP
EP(LP) ON
TO
U.DRUM
A.IN (L)
A.OUT (R)
A.OUT (L)
TU AUDIO
N.REC (H)
SW Q2001-Q2003
+
3
A.OUT(R)
6
A.IN(L)
1
A.OUT(L)
4
A.GND
2
A.IN(R)
J7102
AV2(L-2) IN/DECODER
FILTER
1
A.OUT(R)
2
A.IN(R)
3
A.OUT(L)
4
A.GND
6
A.IN(L)
J7101
FILTER
FILTER
FILTER
AV1 (L-1 ) IN/OUT
4.17 AUDIO BLOCK DIA GRAM
26
NOT
USED
NOT
USED
IC7101
22 14 8 12 6
21 25 10 16 27
23
A
V
2
OUT
( L
)
A
V
2
OUT
( R
)
E2
R
E2
L
EXT
R
EXT
L
OUT1
( R
)
OUT1
( L
)
A
V
1
OUT
( R
)
A
V
1
OUT
( L
)
E1
R
E1
L
FILTER
FILTER
4
6
Q2061
Q2062, Q2063
T2052
TRANS
OSC
POWER
SW
B2051
HR-J680EK/EU,J785EK
FULL E.ON (H)
HR-J780EU
9
10
11
9
10
11
Note : F or the w avefor ms in this b loc k diag ram, ref er to page 4-24.
H G F E D C B A
4
5
3
2
1
4-31 4-32
E. & O. E. No. 82847
(Sanwa)-V14D1/D15/D1