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CD-C3H (serv.man7). Section 2 - Notes on diagrams and block diagrams - Sharp Audio Service Manual (repair manual). Page 4

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CD-C3H/CP-C3H
– 23 –
 Figure 23 BLOCK DIAGRAM (3/3)
REAR MUTE
CENT MUTE
S.W MUTE
AC
AR
SPREAD
QS_SPREAD
QS_CLK
QS_DATA
CEN
SURR
L
R
OUT
+B7
ICS02
QS7777PF
QSOUND
DECORDER
IN
IN
IN
SURR OUT
OUT
CENTER
L
R
OUT
ENABLE
ENABLE
CLK
DATA
+B7
ICS01
LV1035M
DOLBY PRO LOGIC
DECORDER
IN
R
L
OUT
+B7
R
L
TUNER
TUNER
TUNER
SM
SD
MUTE
~
~
SW702
SW701
JOG DIAL
VOLUME
–VP
VEE
VDD
+B2
SCK
STB
COM
DAT
+B6
RMC701
REMOTE
SENSOR
IC701
IX0206AW
FL DRIVER &
CONTROLLER
~
~
~
~~
VSS
~
LED701~
LED726
~
~
VF1
(AC)
VF2
(AC)
KEY IN
1
10
88
85
89
18
15
94
91
100
99
F1
F1
F2
F2
F2 1
2
3
7
62
63
64
16
F1
~
+B2
Q702~Q711
FL 701
FL DISPLAY
SW703~SW734
SW739~SW744
KEY MATRIX
SPE
OUT
CENTER
IN
SURROUND
IN
+B7
OUT
SPE IN
/2)
+B8
/IC504
–B6
SWITCHING
SWITCHING
AGE
LATOR
BEAT CUT
AC 230V
50/60Hz
F855
T2A L
250V
TO CD UNIT
TRY SW1
TRY SW2
TRY SW3
TRY SW4
CAM SW1
CAM SW2
CAM SW3
CAM SW4
J901
HEADPHONES
SO901
SPEAKER
TERMINAL
Q851
F858
T5A L 250V
F857
T5A L 250V
RL851
RELAY
+B7
T851
POWER
TRANSFORMER
VOLTAGE
REGULATOR
VP VF2
(AC)
VF1
(AC)
F853
T2A L 250V
T.F
D850
D851
D852~D855
POSISTOR
R-IN
L-IN
SP DET
H/P SW
RELAY
PROT
Q999
–BL
+BL
–BL
+BL
–BH
+BH
+BH
–BH
+B6
IC901
STK417-100
POWER AMP.
R-OUT
L-OUT
PRO
TECETION
PROTECETION
MOTOR
FAN MOTOR
CONTROL
FAN
Q995
Q994
FAN
RL901
RELAY
RELAYDRIVER
Q998
Q997
Q903
Q904
M
R-CH
GND
GND
L-CH
+
–
–
+
SWITCHING
Q828
POWER
POWER ON/STB
Q905
Q906
VOL SW
QP03
QP04
S-MUTE
VOLTAGE
REGURATER
TO CD UNIT
T500mA L 250V
+B8
VOLTAGE
REGULATER
F820
Q824
Q827
Q820
Q821
Q826
Q822
Q823
Q825
+7.3V(CD)
+B9
VOLTAGE
REGULATOR
–B6
–15V
+B7
+B6
+B2
VOLTAGE
REGULATOR
UN-SWITCHED
+5V
+12V(MOTOR)
+12V(ANALOG)
VOLTAGE
REGULATOR
SWITCHING
VOLTAGE
REGULATOR
ICP01
NJM4565D
LOW BOOST AMP.
DS RES
STB
SCK
DAT
COM
CD SL–
TRY SW4
TRY SW3
TRY SW2
TRY SW1
CAM SW4
CAM SW3
CAM SW2
CAM SW1
RESET IN
+B3
P.FAIL DET
Q202
Q203
ZD201
STOP
SYSTEM
X201
4.19MHz
RESET
Q201
+B4
VSS
MEMORY
BACK UP
+B2
UNSWITCH
+5V
VDD
+B3
+B4 (5V BACK UP)
CD-DRF
CD-PUIN
CD SL+
RWC
WRQ
SQ OUT
COIN
CQCK
RES
VOL SW
H/P SW
POSISTOR
SP DET
FAN
PROT
S-MUTE
POWER
RELAY
C2B-CE
C2B-CL
C2B-DI
C2B-DO
T2 PLAY
T2 RUN
T1 CrO
2
T2 CrO
2
T2 B FP
T2 A FP
PB MUTE
D ON/OFF
D PB/REC
T1/T2
REC MUTE
REC EQ
PB EQ
TA R/P
BEAT CUT
BIAS
HIGH SPEED
T1 PLAY
T1 RUN
T1 SOLENOID
T2 SOLENOID
TAPE MOTOR
SPE1~5
~
Q463
SRS PASS
SRS A/SRS B
SRS IN H
Q464
SRS PASS
Q467
Q465
Q466
C
+B7
Q461
PASS
L R
L R
L R
RVref
f
L
R
IC451
SRS5250AS
SRS
CD MUTE
CE
CL
DI
SRS IN H
SRS PASS
SRS B
SRS A
IC201
IX0210AW
SYSTEM MICROCOMPUTER
R
L
IN
L
R
–B6
R
L
OUT
OUT
IC501
LC75396N
AUDIO PROCESSOR
Vss
VDD
VOLUME
GRAPHIC EQUALIZER
+B7
L R
1
8
4
7
45
46
33 42
8
18
37
38
36
9
22
24
23
4
7
7
19
3
3
7
4
23
30
31
32 
33
34
35
37
38
39
40
41
42
43
44
45
46
47
48
49
51
52
53
44
72 71 69 68 87
78 77 76
61 62 63 59 83 24 26 36 55 28 75 79 54 99 100
1 2
98
97
96
95
27
17
16
12
89
57
15
90
56
18
13
14
92
93
94
11
4
3
5
91
OSC
46 72 90
51
13
14
27
28
26
19
39
30
84
73
71
52
50
47
45
40
17
58
29
95
96
97
98
1
8
5
3
8
1
4
2
14
15
12
17
16
18
22
13
6
9
2
5
8
1
4
7
12
47
44
41
38
11
46
43
40
37
10
45
42
39
36
49 63
56
26
17
31
25
23
24
12
30
18
34
14
7
31
1
11 10
25 24
26
28
27
1
8
6
9
41
40
44
45
42
11
10
31
18
16
19
20
6
9
8
7
6
10
64
65
66
67
25
70
58
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