Sharp CD-C492, Руководство по обслуживанию

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– 31 –
CD-C492/492C
Figure 31 SCHEMATIC DIAGRAM (6/20)
7
8 9 10 11 12
RF37 1K
RF38 1K
RF39 1K
RF40 1K
RF41 1K
RF42 1K
RF43 1K
RF44 1K
RF46 1K
RF49 1K
RF50 1K
RF36 1K
RF35 1K
RF34 1K
RF33 1K
RF32 1K
RF31 1K
RG55 1K
CG56 0.022
CG04
0.01
DG05
1SS133
RG37
1K
RG36 3.3K
QG01
KRC102 M
QG03
KTC3199 GR
RG32
100
ZDF01
MTZJ3.3A
RG31
1K
DG02
1SS133
DG04
1SS133
CG03
3.3/50
CG02 0.01
QG02
KTC3199 GR
RG34
10K
RG30
150
RG29
150
CG01
470/10
RG35
1K
DG03
1SS133
RG33
10K
LG01
2.2
µ
H
CG57 47/25
19
K
26
K
RF48 1K
RG20 10K
RG21 10K
RG22 10K
RG17 10K
RG15 10K
RG39
82
RF47 1K
ON)
RESET
POINT
N)
+4V
–15V
+12V(A)
AC3-SWchOUT
AC3-RSchOUT
AC3-LSchOUT
AC3-Cch OUT
AC3-Rch OUT
AC3-Lch OUT
R OUT
L OUT
C IN(C OUT)
SL IN(LS OUT)
SR IN(RS OUT)
SW IN(SW OUT)
CD GND(D1)
GND(D)
CD GND(D2)
+7.3V(CD)
+12V(M)
+4.6V(D)
TO PRE SECTION
P28 5-G
SPEC ANA
–15V
+12V
AGND
AGND
GND(D)
VR CLK
VR DATA
VR LA TCH
FUNC A
FUNC B
RT IN
LT IN
+4V
CONTROL
AUX 1
+5V(AC32A)
CD GND(D2)
CD GND(D1)
+7.3V(CD)
GND(M)
VGND
+4.6V(D)
GND(D)
+12V(A)
GND(A)
–15V
GND(D3)
GND(D4)
+5V(AC32B)
+4.6V
VR DI
IC
IC
IC
IC
IC
IC
IC
+B
+B
+B
–B
+B
70
69
71
53
59
67
68
94
95
96
98
99
100
34
35
36
37
38
39
107
108
39
38
7 3
36
35
34
115
116
117
118
119
120
121
+B
+B
+B
+B
–B
–B
+B
+B
40
41
42
43
44
45
6 4
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
POWER
SW RLY(4)
REAR RLY(3)
CENT RLY(2)
S-MUTE
CENT-MUTE
REAR-MUTE
SWF-MUTE
AMP CONT
VOLT SW
SP PROT
POSISTOR
H/P SW
SP LEVEL
FAN CONT
FRNT RLY(1)
QS2MO
QS2AC
GND(A)
+12V(A)
IN(R)
IN(L)
OUT(L)
OUT(R)
RR IN
RL IN
C IN
RL OUT
RR OUT
C OUT
QS2SPRED
+12V(M)
+B
+B
+B
+B
+B
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
CFWU2
–B
+B
+B
+B
+B
A+12V
AGND
GND(D3)
VGND
GND(D4)
A-15V
SCK
AC32RES
SI
AD RES
SS
DGTL2
SO
DGTL1
SP CONF
DEM0
DEM1
+5V(AC32B)
+5V(AC32A)
+5V(AC32A)
FWA2
1
20
L
AUX 1
AUX 2
R
AUX 2
+B
–B
2
3
4
5
6
7
8
9
10
1
CFWU1
SR IN(RS OUT)
SL IN(LS OUT)
C IN(C OUT)
SW IN(SW OUT)
LT IN
RT IN
V-SW(V1/V2)
L OUT(LIN)
R OUT(RIN)
AGND
FWA1
1
10
GND(A) GND(A)
VIDEO2 IN VIDEO1 IN
TO PRE SECTION
P28 2-G
33 32 31 30 29 28
R-CH OUT
L-CH OUT
R-CH OUT
L-CH OUT
AC3 R-CHOUT
AC3 L-CHOUT
AC3 C-CHOUT
AC3 SW-CHOUT
AC3 RS-CHOUT
AC3 LS-CHOUT
TO PRE SECTION
P28 4-G
34 35 36 37 38 39
TUN L
TAPE L
AUX 2
TUN R
TAPE R
AUX 1
AUX 2
AUX 1
86
15
28
31
90
17
30
33
VOL
SECTION
TA_FR SPEED
REC2MUT
M +12V
TA_SOL
T2_A_FP
TA_CAM_SW TA_MOT_SW
M_GND
T1_RUN T2_RUN
T2_B2FP
T1_CRO2
T2_CrO
2
TA2T1/T2
PB2MUT
HIGH_2SP
GND(A)
+12V(A)
TA2BIAS
TA2R/P
REC L-CH
REC R-CH
PRE L-CH
PRE R-CH
+B
+B
M2GND
+B
GND(D)
16 20 23 24
4 5 6 8 9
10 11 12
1 2
13 14
3 7
15 17 18 19 21 22 27
REC L-CH
REC R-CH
+B
TO DECK SECTION
P33 12-F
TO MECHA SECTION
P33 12-B
TO QSOUND SECTION
P36 5-A
P S
P S
O S
O S
SW
OL
TOR
RLY
ONT
SW
UT
/T2
UT
EQ
P
UT
AS
D(M)
SP
1
2 3
CFWA01
TO DOLBY PWB
P41 8-H
CFWA02
TO DOLBY PWB
P40 5-H