Sharp CD-C470H Service Manual page 21

FL701
~ 8 6 5 7 2 1
37
VP Q701
VF1
(AC)
+B1
14 15 16 17 18
CD MUTE
4
5
CD SL–
6
CD SL+
7
CD CQCK
9
CD COIN
10
CD SQOUT
11
CD WRQ
12
CD RWC
IC601
13
CD PUIN
19
IX0171AW
CD DRF
21
CROCOMPUTER CD O/C SW
53
CD D.NO
54
CD U/D
55
24
25
SPE1-5
26
27
28
~
7 61 57 66 65 64 63
+B1
–B1
14 34
C501
5396E
ROCESSOR
REAR
OUT
20
GRAPHIC EQUALIZER VOLUME
28
CENTER
OUT
VOLUME
R
17
CENTER
REAR L 31
IN
42 5 43 6 42 18 30
R L R L R
S-IN C-IN
X-BASS
+5V
+B1
C-OUT
UN-SWITCHED
34
L-MIX OUT
16
15 R-MIX OUT
S-OUT
13
R-OUT
LEVEL
Q468
L-OUT
CONT
Q469
17 18
TO CD UNIT
451
SRS
L-IN
27 Q466
PASS
250S
R-IN
28 Q467
RS
MODE 26
SRS
PASS/
PASS
25 24
3D
SRS STEREO
Q463
SRS MONO
MODE1-5
SRS A/
MONO
Q458~
SRS B
453(2/2)
Q460
SRS INH
NCTION
LECTOR
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CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
13 14 15 16 18
5
VP
71
7
6
4
1
80 IX0170AW
MICROCOMPUTER
72
70
54
52 29 8 30 48 33 31 20
+B5
+B6
CD RES
MEMORY
BACK UP
OPE AMP.
OPE AMP.
BA4558
IC502/503/504 BA4558
IC504(1/2)
1 2
8
4 8 7
6
7 6
POWER ON/STB
Q501
Q504 Q503 Q829
SWITCHING
Q502
OPE AMP.
IC651
+B3
BA4558
IN
OUT
8
L
3
L
1
5
R
7
R
4
VOLTAGE
REGURATER
–15V
–B1
VOLTAGE
REGULATOR
Q828
VOLTAGE
REGULATOR
+12V(MOTOR)
Q826
+B2
Q827
VOLTAGE
REGULATOR
+12V(ANALOG)
Q823
+B3
Q824
Q825
SWITCHING
VOLTAGE
REGULATOR
+7.3V(CD)
Q821
+B4
Q822
Figure 21 BLOCK DIAGRAM (3/3)
19 21 22
KEY5 23
KEY0
28
IC701
DATA
37
CLOCK
38
LCK
36
RESET
17 Q704
SYS STOP
46
12 11 10 9 35 34 43 42 47
+B1
REMOCON
2
CD LD H/L
CD LD M+
CD LD M–
+B3
SOL
REAR-IN
13 IC951
9
CENTER
LA4451
IN REAR-OUT
2
POWER AMP.
5
CENTER-OUT
+B1
7
F951 12
–B1
T1.6A 11
3 4
L 250V
Q951
Q901
L-IN
1 6
IC901
R-IN 18
STK48801 L-OUT
10
POWER AMP.
13
R-OUT
16
+B1
3
–B1
11
14
9
D801
D802~D805
VOLTAGE
Q801
REGULATOR
VF1 VP VF2
(AC)
– 21 –
KEY MATRIX
SW701~SW717
SW719,SW721
SW723~SW726
SW728~SW734
SW736~SW740
INPUT/OUTPUT
2
16
EXPANDER
3
LED701~LED712
4 IC702
LED714~LED719
BU2092F
5
1 17 18
+B5
Q705
+B4
Q706
ZD701
RX701
REMOTE 3 +B5
CD O/C SW
SENSOR
SW1
OPEN/CLOSE
1
CD D.NO
SW3
DISC NO
CD U/D
SW2
MEHCA UP
SWITCHING
DRIVER
+B4
Q94
8 2 6
IC91
9 3
LOADING MOTOR
1 7
DRIVER
5
+B2 UP/DOWN
Q93 Q91
SOLM2
SOLENOID
TO CD UNIT
+
CENTER
SO903
– CENTER
GND
SPEAKER
TERMINAL
+
L-CH
–
GND
SO902
REAR
–
GND SPEAKER
TERMINAL
+ R-CH
JA901
HEADPHONES
F901
T2.5A
L 250V
+
L-CH
–
GND SO901
FRONT
SPEAKER
F902
–
GND
TERMINAL
T2.5A
L 250V
+
R-CH
F802
T4A
L 250V
F803
T4A
L 250V
AC POWER
F804
SUPPLY CORD
T1.6A
AC 230V 50Hz
L 250V
T.F
T801
POWER
TRANSFORMER
(AC)
M
M3
T/T