DOWNLOAD Sharp CD-CH1500 (serv.man9) Service Manual ↓ Size: 5.95 MB | Pages: 72 in PDF or view online for FREE

Model
CD-CH1500 (serv.man9)
Pages
72
Size
5.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-ch1500-sm9.pdf
Date
PREV: Sharp CD-CH1500 (serv.man8) Service Manual

Sharp CD-CH1500 (serv.man9) Service Manual ▷ View online

– 17 –
CD-CH1500H/CD-CH1500W
Figure 17 BLOCK DIAGRAM (2/6)
1
1
12
12
11
12
10 9 8 7 6 5 4 3
2
1
g
h
i
TO CD SERVO PWB
+B
TO POWER
PWB
TO POWER
PWB
O
Q
P
X
Y
U
V
W
T
R
S
d
f
c
b
a
TO POWER
PWB
+B
IC905
IC913
CNP102
CNP807
CNP806
3
2
1
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW750~SW758
KEY0
UNA902
OPTICAL FIBER
DATA LINK
Q954 
Q955
IC701
TA7291S
LOADING 
MOTOR DRIVER
IC913
KIA7805AP
VOLTAGE REGULATOR
X902
32.768 kHz
Q909
Q908
Q907
Q906
Q905
IC905
KIA7042AP
RESET
Q901
X901
600 kHz
CNP970
FFC970
BI940
CNS940
BI950
IC901
IX0417AW
SYSTEM
MICROCOMPUTER
BI960
IC912
BU2092F
INPUT/OUTPUT 
EXPANDER
CNP901
CNP934
CNP931
+B
33
32
31
30
29
28
27
26
25
24
23
22
FH_A-SW_A 
FH_T-SW_C 
FH_T-SW_B 
FH_T-SW_A 
FH_A-SW_B 
FH_A-SW_C 
FH_A-SW_D 
FH_A-SW_E 
FH_C-SW_A 
FH_C-SW_B 
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD_BUS3 
CD_BUCK 
CD_CCE
CD_RES
CD_BUS2 
CD-RW 
CD_BUS1 
T-MO_REV
CD_BUS0 
T-MO_FOR
CD_L
PU-IN 
A_GND
C-MO_REV
CD_R
C-MO_FOR
CD_GND
CD_GND
CD_+B 
CD_+B 
M
SOLENOID
+ 
–
2
1
3 4 5 6 7 8 9 10
11 12
F_REC
R_REC
CST_SW
–COM
+MTR
+5V SENSOR
SENSOR  OUT
+SOL
REC_RCH 
REC_LCH 
A_GND 
TAPE_L
TAPE_R
TO AUDIO SECTION
TAPE_R
TAPE_L
A_GND 
REC_LCH 
REC_RCH 
REC_MUTE
REC_CONT
REC_BIAS
l
D_GND
SP_DET
SP_RLY
UN_SW  5V
AC_RLY  CTL
A_-B
D_GND
FAN_CTL
M_+B
M_GND
CD_+B
CD_GND
A_+10V
A_GND
L  CH
R  CH
A_GND
A_+10V
A_GND
CD_+B
CD_GND
M_GND
M_+B
A_-B
AUX_SEL 
L_CH
R_CH
A_GND2
C2B_CL
C2B_DO
C2B_CE
C2B_DI
S-MUTE
VSM 
TO AUDIO SECTION
TO AUDIO SECTION
D_GND 
A_+B
PB_MUTE 
CD_MUTE 
CD-R_SEL
A_GND 
CD_R
CD_L
TO AUDIO SECTION
SIDE-A
SIDE-B
CST-SW
PNL_OP
PNL_CL
D GND
A +B
SDA 
SCL 
D +B
D_GND 
KEY4
KEY3
KEY2
JOG-B 
JOG-A 
A_+B
7 6 5 4 3 2 1
D_+B
18
17
16
15
14
13
12
11
10
9 8 7 6 5 4 3 2
2
3
1
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11 10
9 8 7 6 5 4 3 2 1
LEVEL_R 
LEVEL_L 
LEVEL_R
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
40
41
42
43
44
45
46
47
48
49
50
31
32
33
34
35
36
37
38
39
CD RESET
CD CCE
83  FH T-SW C
82  FH T-SW B
81  FH T-SW A  
LCD E
FH A-SW B
FH  M  B-
FH A-SW A
CD  MUTE
FH  M  B+
FH  M  A-
FH  M  A+
AVref1
AVSS
Vref 0
AVDD A
CD RW
RESET
XT1
XT2
VSS
X1
X2
VDD
TIMER LCD
30  LCD R/W
29  LCD RS
28  POWER RLY
27  N.C. 
26  LCD  DB7  
CD  PICK  IN
TEST/Vpp
LCK2
LCK1
VDD
DEST_OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
FH  A-SW D
FH A-SW C
CD BUS3
CD BUS2
CD BUS1
JOG-B
KEY 4 
KEY 3 
KEY 2 
KEY 1 
KEY 0 
BACK LED CONT
LCD DB6
LCD DB5
3  REC BIAS
2  REC
1  PB MUTE 
LCD DB4
DATA
JOG-A
CST  SW
CAM  SW
B-FP  SW
A-FP  SW
DEST_OUT1
REMOCON
VSM 
PROTECT
C FUTA OP
SPAN
CD BUCK
C FUTA CL
SYS MUTE
CD BUS0
REC  MUTE
DEST_IN
CE
LCD-RW 
LCD-E
TUNER DI
TUNER DO
TUNER CL
CLK
RUN PULSE
T-SOL
T-MOTOR
CAM-SW
RUN_PUL
MOTOR
SOL
PLAY  SW
TAPE 
MOTOR
CD-SW
m
j
k
m
49  SP RLY
50  POWER KEY
GND 
IC701
+B
PLAY
SWITCH
SOLENOID
DRIVER
SOLENOID
DRIVER
RUN PULSE
MOTOR DRIVER
SYS STOP
SW711,SW712,
SW720~SW725 
Q724
Q720
Q721
Q723
Q725
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
Q722
SW710, SW730~SW735
LED759
LED731
LED754
LED756
LED757
LED758
LED755
SW701 POWER
RX701
REMOTE
SENSOR
LED770
JOG701
JOG DIAL
SW761~SW764 
Q708
LED772~
LED776
SW770,SW772,
SW773,SW778,
SW784,SW786
CNS720 
CNS770 
IC702
INPUT/OUTPUT
EXPANDER
BU2092F
LED_4 
LED_1 
LED_2 
LED_3 
LED_5 
LED_6 
18
17
16
15
14
13
12
11
10
9  8  7  6  5  4 3 2 1 
Q10 
VDD 
__
OE
Q11 
Q9
Q8
Q7
Q6
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND 
DATA
CK
KEY1
POW_KEY 
REMOCON 
D_GND 
D_+B
A_+B
LED_EG
LED_5
LED_4
LED_3
LED_2
LED_1
A_+B
JOG-A 
JOG-B 
KEY2
KEY3
KEY4
D_GND 
3 
2 
1 
5 
6 
7 
8 
9
10
11
1 
2 
3 
4 
4
3
6 7
5
2
1
DATA
+B
+B
+B
+B
+B
+B
5 
1 
CNP701
Q707
LED735,
LED737,
LED738
LCD720
LCD DISPLAY
5 
1 
2 
3 
4 
VDD 
VSS 
VLCD
SW705
OPEN/CLOSE 
MO700
CONTROL
PANEL MOTOR
MOTOR_–
MOTOR_+ 
D_GND 
CLOSE_SW
OPEN_SW 
M
+5V
DIMMER
+B
SW901
SPAN SELECTOR
CD-CH1500W
ONLY
RESET
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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
LCK
Q5
CD-CH1500H/CD-CH1500W
– 18 –
Figure 18 BLOCK DIAGRAM (3/6)
FM
AM
ERASE
HEAD
L-CH
R-CH
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72722
RDS DECORDER
X351 456kHz
FM IF CF351
+B
+B
+B
+B
QT21
AMP.
FM +B
VT
T306
T302
L341
BALUN
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
R
L
MPX
IN
FM/AM
OUT
IF IN
IF OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG
IN
OUT
VCC
FM IF IN
FM IF
AMP
Q301
FM IF
FM
X352
4.5MHz
OSC
STEREO
IC302
LC72131
PLL (TUNER)
AM
 
IN
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
AM BAND
COVERAGE
VOLTAGE
REGULATOR
AM 
TRACKING
AM RF
AM LOOP 
ANTENNA
SO301
FM ANTENNA
TERMINAL
Q371
Q351
17 19 20 18
16
14
12
11
10
13
21
22
23
24
20
22
21
13
12
14
15
20
21
22
23
24
15 16 11 10 13 12
6
7
1
3
2
4
3
4
5
6
8 
9
7
15
8
2 6 7
3
4
5
1
1 2
3
4 5 8 9
L354
L.P.F
CF352
VR351
FM MUTE
LEVEL
7
FOR CD-CH1500H
X351 456kHz
FM IF CF351
+B
+B
+B
+B
+B
FM +B
VT
T306
T302
CF302
DO
CE
CL
DI
IC301
FM FRONT END
Q360
R
L
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832S
FM IF DET./FM IF MPX./AM IF
IF OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG
IN
OUT
VCC
FM IF IN
FM IF
FM
X352
4.5MHz
OSC
STEREO
IC302
LC72131
PLL (TUNER)
AM
 
IN
FM IN
FMOSC
OSC BUFF
T351
AM IF
GND
OSC
FM
AM BAND
COVERAGE
VOLTAGE
REGULATOR
AM 
TRACKING
AM RF
Q371
Q351
17 19 20 18
16
14
12
11
10
13
21
22
23
24
20
22
21
15 16 11 10 13 12
6
7
1
3
4
5
6
8 
9
7
15
1
2 3 4 5
7
8
9
6
1 2
3
4 5 8 9
CF352
T312
FM IF
BF301
B.P.F
L312
T311
VR351
FM MUTE
LEVEL
FOR CD-CH1500W
FM RF
Q302
+B
SWITCHING
SWITCHING
CNP303
1
2
3
FM/AM
LOOP
ANTENNA
REC
PLAY
HE
SWITCHING
SWITCHING
– 19 –
CD-CH1500H/CD-CH1500W
Figure 19 BLOCK DIAGRAM (4/6)
H/N 
P.B 
REC 
R REC
L REC
POP REDUCE
R NF
L  NF
R NF
L  NF
L
R
L
R
20
7
18
8 17
13
21
4
5
2
3
22
6
9
16
12
11
1
23
24
VCC
AC BIAS 
ERASE
HEAD
L-CH
R-CH
P.B 
REC 
REC MUTE 
REC
P.B
PB_MUTE
S-MUTE
C2B_DI
C2B_CE
C2B_DO
C2B_CL
D_GND
W
U
V
R
S
T
O
TO MICOM SECTION
Q507
Q508
JK501
AUX IN 
Q509
Q501
Q502
IC502
LC75341
AUDIO
PROCESSOR
IC503
NJM4558M
MOTOR DRIVER
R-CH 
L-CH
24
23
21
18
17
16
15
14
13
12
11
10
9
8
7
4
3
2
1
LSEL0
RSEL0
RIN
VDD
CLK
LIN
VSS
CE
DI
A_+B
A_-B
L_CH
TO MICOM
SECTION
C2B_DO
C2B_CL
C2B_DI
C2B_CE
CD
TUNER
TAPE
AUX
REC_R-CH
TAPE_L
TO MICOM
SECTION
TO MICOM
SECTION 
CD_L
8
7
5
4
3
1
a
d
f
g
k
l
+B
+B
-B
SWITCHING
SYSTEM
MUTE 
REC_L-CH
TO POWER
SECTION
CNS940
Q119
Q120
IC102
BA3126N 
HEAD
SELECTOR
Q101
Q102
CNP102
Q116
Q114
Q115
IC101
AN7345K
PLAYBACK AND 
RECORD/PLAY BACK
AMP.
SWITCHING 
BIAS
BIAS OSC. 
SWITCHING 
RECORD/ 
PLAYBACK
HEAD
9 
5
7 
6 
8
4 
3 
2 
1 
REC_MUTE
REC_CONT
REC_L-CH 
REC_R-CH 
TAPE_R-CH
TAPE_L-CH
REC_BIAS
A_+10V
M_+10V
BIAS_GND
A_GND 
L-CH
REC_L-CH
A
B
C
D
1
2
3
4
5
6
7
8
L
R
L
R
L
R
L
R
L
R
L
R
FROM MAIN PWB
A_GND 
CD-CH1500H/CD-CH1500W
– 20 –
Figure 20 BLOCK DIAGRAM (5/6)
CD-CH1500H
TO MAIN PWB
A B C D
+B
+B
+B
+B
+B
+B
1 
2 
3 
4
5
6
7
8 
9 
10
11
12
13
14
15
10
1
2
3
4
5
6
7
8
9
11
12
13
14
15
+B
MAIN
MAIN
SUB 
WOOFER
+B
+B
+B
IC802
BI950A
TO MAIN PWB
BI960
6 
T.F.
SP L-CH
SP R-CH
GND
SP R-CH
SP L-CH 
GND
SP L-CH
SP L-CH
GND
SP R-CH
SP R-CH
GND
M 
+ 
+B
-B
-B
-B
+B
FAN MOTOR
DRIVER
FAN MOTOR
DRIVER
RELAY
DRIVER
MICON +5V
+B
+B
+B
-B
-B
-B
+B
+B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
-B
HIGH
LOW
1
3
2
Q200
CNP807
Q210
Q212
Q211 
D812-D815
D804-D807
CONSTANT
VOLTAGE
REGULATOR
F807
T3.15A L 250V  
RY801 
SO201
SPEAKER
TERMINALS 
RY202 
Q209 
RY201 
Q810 
Q805 
Q813
Q812
CNP806
F808
T2A L 250V
Q806
IC202
STK40204(2Ch)
POWER AMP.  
Q204 
Q203 
Q208
Q207
Q206 
Q201 
IC201
STK40271(2Ch)
POWER AMP.  
Q205 
F801
T2A L 250V
F804
T5A L 250V
F803
T5A L 250V
F806
T4A L 250V
D816
D817
F805
T4A L 250V
IC203 
T802
SUB POWER 
TRANSFORMER
Q807 
IC808
Q809 
IC802
KIA7810AP
VOLTAGE
REGULATOR
IC203
KIA4558P
 OPE AMP.
T801
MAIN POWER
TRANSFOMER
MO200
FAN
MOTOR
Q202
M+10V 
A_+10V
A_GND 
M_+10V
BIAS_GND
TO DECK SECTION 
D_GND
FAN_CTL 
D_GND
-8V
AC_RLY  CTL
UN_SW  5V
SP_RLY
SP_DET
8 
3  4 6 
1 
7 
2 5 
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GND
A_+10V
A_GND2
R-CH
L-CH
15  
14 
13  
12 
11  
9 
8 
6  7 
5 
4 
3 
2 
1 
10  
+
+
–
–
–Vcc
+Vcc
Ch1
Ch2
Ch2
Out
Out
Ch1
8 
7 
5 
4 
3 
2 
1 
+
+ 
–
–
3 
2 
1 
Out
Ch2
Out
Ch2
Ch2
Ch1
–
–
+
+
+Vcc
–Vcc
AC 230 V, 50 Hz
-
+ 
+ 
-
+ 
-
+ 
-
JK701
HEADPHONES
L802
AC LINE
FILTER
AC POWER
SUPPLY CORD
K801
K802
SP RELAY
ON-OFF
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