Sharp CD-C492 Service Manual page 25

TUNER MUTE
SPE1~5
~
19 23 62 61 60 78 79 87 88 91 92 93 94 95 96 97 98
T1 RUN
29
T2 RUN
30
T2 A FP
31
T2 B FP
32
T1 CrO
2
33
T2 CrO
2
34
CAM-SW
35
TAPE SOL
36
TA MOT
37
HIGH SP
38
FR SP
39
BIAS
40 SYSTEM MICROCOMPUTER
41
TA R/P
42
43
REC MUT
44
T1/T2
45
PB MUTE
46
PB EQ
47
REC EQ
48
REC MUTE
49
68 67 71 70 69 58 56 53
39 40 41
L-IN
L-OUT
31
17
16 32 R-OUT
R-IN
C-IN C-OUT
11 ICZ10
33
M62446FP
SL-IN SL-OUT
9 34
6-ch VOL
SR-IN 8 35 SR-OUT
SW-OUT
SW-IN
6 36
-B10
30
+B10
5
+B11
42
IC04,06,08
+B10
NJM4565D
IN/OUT
-B10
FILTER
AMP
DI
ICZ01
16
LC7522
+B10
CLK
G.E. VOL
17
-B10
+B10
IC03,05,07 1
NJM4565D
IN/OUT
-B10
14
FILTER
AMP
+B11
15
VOLTAGE
REGURATER
+B11
R
18 17 16
BYP
13
MO
ICQ01
12
QS7777PF
AR
QSOUND
11
AC
10
31
42 44 45 15
+B7
VOLTAGE
REGURATER
+B7
DOLBY SECTION
6 7 8 9 10 7 8 9
ICF01
IX0233AW
VDD
VSS
75 74 73 82 24 26 27 49 50 51 52 54 63 64 65 66 76
QP03
QP13
QP04
QP14
QP16
QP15
+B7
IN
OUT
L 8
5 L
7
R
3
R
1
4
ICP11
NJM4565D
LOW BOOST
AMP.
-B6
VOLTAGE
REGURATER
-15V
-B6
VOLTAGE
REGULATOR
-B10
QZ02 VOLTAGE
REGULATOR
+4.6V
+B2
Q903
UN-SWITCHED
+5V(DOLBY)
+B9
VOLTAGE
REGULATOR
+12V(MOTOR)
Q902
+B6
Q901
VOLTAGE
REGULATOR
+12V(ANALOG)
+B7
Q906
+B7
Q905
+B10 QZ01
Q904
VOLTAGE
SWITCHING
REGULATOR
VOLTAGE
REGULATOR
+7.3V(CD)
Q909
+B8
Q908
TO CD UNIT
Figure 25 BLOCK DIAGRAM (5/5)
~
5 53
RXD01
REMOTE
SENSOR
~ ~ ~
~
30 45 47 50 52 71
29
RES
ICD01
12
IX0233AW
STB
1
FL DRIVER u
DAT
95
CONTROLLER
COM
96
SCK
97
VSS VDD
1 ~ 4 15 89 46 90 51
18 72
8 ~ 10
~
79 88
~
91 94 +B2
LEDD01~
+B6
LEDD28 -VP
RES
99
CQCK
5
COIN
3
SQ OUT
4
WRQ
11
RWC
100
CD SL+
2
CD SL-
1
CD-PUIN
14
CD-DRF
13
+B3
+5V
18 +B4 (5V BACK UP)
UNSWITCH
56
+B2
90
+B4
15
57 RESET
89
RESET IN
QG01 MEMORY
12
OSC
BACK UP
16
X201
4.19MHz
17
QG02
SYSTEM STOP
+B3
27 QG03
ZDF01
CD O/C
86
CD U/D P.FAIL DET
85
CD DNO
84
FAN
H/P SW
SP DET
POWER
RELAY
ON/STB
PROT
Q907
SWITCHING
QV13
QV14
L-IN
7 QY11
10
ICV01
12
STK407-250 L-OUT
R-IN 9
POWER AMP.
8
R-OUT
-B +B
1 20
C-OUT
18
5
C-IN
3
SL-IN
10
ICX01
7
12
SL-OUT
STK407-250
SR-IN
9
POWER AMP.
8
SR-OUT
-B +B
1 20
SW-OUT
18
5
SW-IN
3
-B +B
D991
VOLTAGE
REGULATOR
Q911
Q910
D996~D999
D992~D995
Q951
VF1 VP
(AC)
– 25 –
CD-C492/492C
F1
1
F1 2
FD01
FL DIPLAY
F2
62
F2 57
73 ~
75
KEY MATRIX
21 SWD03~SWD06
SWD12~SWD17
26 SWD23~SWD48
VEE KEY IN
SWD50~SWD54
13 27 28
14
SWD01 SWD02
JOG SW
TO CD UNIT
+B6
QV20
QV21
QV22
QY12
QV18 QV19
+
-
RLYV11
+
RLYY11
-
QX13
RELAY
QX14 +
QX51
QX16
QY51
-
+
RLYX11
-
RLYY51
+
RELAY
QY52
-
QY12
+
-
TMV01
T991
SPEAKER
POWER
F995
TERMINAL
TRANSFORMER
10A
F996
10A
F998
1.6A
F997
2.5A
VOLTAGE
REGULATOR
AC POWER CORD
AC120V 60Hz
T.F
VF2
(AC)
VF1
(AC)
VF2
(AC)
M
FAN
MOTOR
JV91
HEADPHONES
TMV01
SPEAKER
TERMINAL
L-CH
GND
R-CH
GND
C-CH
GND
SL-CH
GND
SR-CH
GND
SW-CH
GND
F990
5A