Sharp CD-CH1000 (serv.man11) Service Manual ▷ View online
CD-CH1000H/CD-CH1000W
– 46 –
Figure 46 SCHEMATIC DIAGRAM (1/13)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
• The numbers
1
to
17
are waveform numbers shown in page 59.
33
1
CD SERVO PWB-C
CNP901
P52 1 - E
TO MAIN PWB
CNP975
TO MAIN PWB
P53 12 - C
R30
2.2M
C4
100/10
C64
0.001
C65
0.001
C51
100/10
C29
0.022
L7
0.82
µ
H
R91
47K
R92
47K
C92
470P
C91
470P
CORE1
R6
120
L1
0.82
µ
H
R19
1M
C6
10/16
C5
10/16
R13 1K
R12 1K
R11 1K
R10 1K
R9 1K
R8 1K
R7 1K
C13 0.022
DZ1
MTZJ5.1A
R14
82
C1
100/10
C2
0.022
0.022
C14 0.022
R18
100
R16
100
C7
100/10
C8
0.022
R27
47K
C30
47/10
47/10
IC2
TC9490F
SERVO/SIGNAL
CONTROL
R17
1K
C16
0.047
C19
0.047
C15
0.047
C17
0.047
R21
5.6K
5.6K
C18
0.033(ML)
C22
0.033(ML)
R31
10K
C23 0.01
C24
0.0027
C25 0.01
R29
100K
R32
15K
15K
C26
0.015
0.015
R25
5.6K
C20
47P
R28
47K
L2
0.82
µ
H
C31 220/10
C28
0.022
C21
0.001
C27
0.0047
C3
0.022
C11
15P
C12
15P
X1
16.934MHz
C10
0.022
CNP1
FFC901
R15
120
BI12
CNS12
3.3V
3.3V
1.6V
0V
5V
0V
1V
3.3V
1.7V
1V
0V
1.6V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
3.3V
0.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.3V
1.8V
0V
3.3V
0V
0V
3.3V
3.1V
1.3V
1.4V
0V
0V
0V
0V
0V
0V
0V
1.5V
1.5V
1.5V
3.1V
4.8V
4.8V
4.8V
5.1V
17
16
13
12
6
7
5
1
4
15
14
11
0V
0V
2.6V
0V
2.6V
0V
0V
1V
0V
0V
0V
TP4
TP3
TP2
TP1
21
20
20
19
18
17
16
15
14
13
12
11
10
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
/RST
GND
BUS1
BUS3
BUCK
BUCK
/CCE
CD/CD-RW_SEL
CD FUNC
33
32
32
31
30
29
28
27
26
25
29
28
27
26
25
24
23
22
23
22
PU-IN
CD_R-CH
CD_L-CH
CD_+B
GND
CD_GND
BUS0
BUS2
CANB_B
CANA_E
CANA_C
CANA_A
TRAY_A
TRAY_C
TRAY_B
TRAY_B
CANA_B
CANA_D
CANB_A
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
DVR
DVDD
DVSS
XI
XO
XVDD
XVSS
TESIN
DVSS
DVDD
SEL
VREF
DMO
AVDD3
FMO
TEBC
RFGC
TRO
FOO
SBAD
32
31
30
31
30
29
28
27
26
25
24
23
22
21
28
27
26
25
24
23
22
21
20
19
18
18
TEZI
TEI
FEI
RFRP
RFI
SLCO
PVREF
LPFO
LPFN
VCOF
AVSS
AVDD
RFCT
RFZI
10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9
PDO
PVDD
SBSY
SFSY
DATA
DVSS
DVDD
CLCK
SBOK
IPF
DOUT
AOUT
BCK
LRCK
/UHSO
/HSO
61
64
63
62
60
59
58
57
56
55
54
53
52
51
50
49
/RST
/CCE
BUCK
VSS
VDD
BUS3
BUS2
BUS1
BUS0
DVSS
LO
RO
ZDET
17
TMAX
TP5
RF
TP7
TP8
TP9
TP10
TP6
CD SIGNAL
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
2
1
1
2
1
1
– 47 –
CD-CH1000H/CD-CH1000W
Figure 47 SCHEMATIC DIAGRAM (2/13)
7
8
9
10
11
12
6
1
2
4
5
7
3
7
5
4
8
6
3
2
1
PICKUP UNIT
CD MOTOR
PWB-E
3
4
5
6
1
2
CAM SWITCH
PWB-G
TRAY SWITCH
PWB-F
TE
IC6
IC5
LASER DRIVER
R73
8.2K
R37
33K
C67
0.001
C51
100/10
C29
0.022
C96 100P
C36
27P
27P
Q1
2SC1740 R
C34
22P
C40
0.1(ML)
R42
56K
56K
C33
0.022
C32
0.022
R44
68K
C95 100P
C94 100P
C93
100P
100P
C99 100P
C98 100P
C98 100P
C97 100P
CNP2
C58 100P
C59 100P
C60
100P
100P
CNP3
L7
0.82
µ
H
R74
8.2K
R71
10K
10K
R72
10K
10K
R78
8.2K
R77
8.2K
R76 10K
R75 10K
R50
1.2K
R49 1.2K
R46
1.2K
C42 0.0068
R43
820
C50
0.1
C49
0.1
CNP4
CNP6
C46
0.022
C45
470/10
C48
100/10
R47
10K
R38
1K
C38
10/50
C37
0.022
Q3
2SD2012
DZ2
MTZJ3.9B
Q4
KTA1266 GR
C44
220/10
R48
10
C47
100/10
R53
68K
R51
68K
R57 47K
R55 68K
R56 68K
R56 68K
R54 47K
C43 0.022
R35
1K
R40 100
C39
3.9P
R36
2.2K
R39 10K
30
/10
1
K
L2
0.82
µ
H
C31 220/10
27
0047
C41
0.1(ML)
CNP5
CNP7
IC6
TA2147F
SERVO PRE
AMP.
SWB110 TRAY2
SWB109 TRAY1
SWB103
DISC DETECT 3
SWB104 MODE1
SWB105 MODE2
SWB106 MODE3
SWB105 MODE2
SWB106 MODE3
SWB101
DISC DETECT 1
SWB102
DISC DETECT 2
CNS5B
SWB108 MODE5
SWB107 MODE4
R41
3.3K
R45
8.2K
IC5
BA5939S
FOCUS/
TRACKING/
SPIN/
SLED DRIVER
CNS7A
CNS7B
CNS5A
NSW1
PICKUP IN
NM2
SLED
MOTOR
NM1
SPINDLE
MOTOR
CNS6A
CNS6B
CNS4
MOB1
MAIN CAM
MOTOR
MAIN CAM
MOTOR
MOB2
TRAY MOTOR
TRAY MOTOR
FW3
FW2
CNP6A
Q5
KRA102 M
8.6V
3.3V
4V
0V
0V
0V
0V
0V
0V
0V
4V
4V
4V
4V
4V
4V
4V
4V
4.3V
4.3V
8.6V
8.6V
4.3V
4.3V
8.6V
8.6V
8.6V
8.6V
1.7V
1.7V
1.7V
1.7V
1.7V
7V
1.7V
1.7V
1.7V
2.3V
2.7V
1.5V
3.3V
0V
0V
0V
0V
0V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
0.7V
2.7V
4V
0.8V
1.2V
2.4V
1.1V
10
9
8
2
3
0.3V
4V
4V
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
GND
RFN
RFO
AGCI
RFGO
RFIS
RFRP
FEN
FEO
VRO
GVSW
SBAD
TEO
TEN
RFGC
TEB
SEL
SEL
FNI
FPI
TPI
TNI
MDI
LDO
32 31 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
MUTE
PREVCC
LEVEL SHIFT
BIAS
BIAS
POWVCC
LOADING2
VCC
LEVEL
SHIFT LEVEL
SHIFT
LEVEL SHIFT
LOADING1 VCC
VREFSW
BIAS
PREVCC
POWVCC
BIAS
BIAS
LEVEL
SHIFT LEVEL
SHIFT
8
7
6
5
4
3
2
1
CANB_A
CANA_E
CANA_D
CANA_C
CANA_B
CANA_A
CANB_B
1
8
4
3
2
1
TRAY_A
TRAY_B
TRAY_B
1
TRAY_C
4
3
2
1
1
2
3
3
4
+
–
+
–
M
M
6
5
4
3
2
1
5
4
3
2
1
SP+
SP–
SP–
GND
PU-IN
SL–
SL+
SP–
SP+
–
–
+
+
M
M
5
4
3
4
3
6
2
1
1
3
4
5
6
1
2
GND
PU-IN
SL–
SL+
8
7
6
5
4
3
2
1
TR+
FO+
LD
VR
PD
GND
TR–
TR–
GND
PD
PD
FO–
FO+
TR+
ACTUATOR
TR–
FO–
FO+
TR+
3
1
7
8
8
6
5
4
2
7
5
4
8
6
3
2
1
LD
VR
FO–
–
–
–
–
–
+
+
+
+
+
VCC
LD
MON
GND
E
A
B
F
C
1/2VCC
7
6
5
4
3
2
1
C
F
E
VREF
+5V
1/2V
E
A
B
F
C
3
4
5
4
5
7
1
2
2
6
6
1
2
4
5
7
3
+5V
A
B
LTOH41M1
VCC
RF
TP12
TP14
FE
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
4
GND(D)
GND(D)
SWITCHING
CONSTANT
VOLTAGE
CD-CH1000H/CD-CH1000W
– 48 –
Figure 48 SCHEMATIC DIAGRAM (3/13)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
1 2 3 4 5 6 7
P53 9 - H
FROM MAIN PWB
POWER PWB-D1 (2/2)
TO POWER SECTION
1 2 3 4 5 6 7
IC101
TAPE MECHANISM
ASSEMBLY(1/2)
RECORD SIGNAL
PLAYBACK SIGNAL
CNS940
P56 1 - F
R156
33K
R155
33K
Q119
DTC363 TS
Q120
DTC363 TS
R102
2.2K
R101
1K
R103
2.2K
C103
10/16
R105
100
IC102
BA3126N
HAED
SELECTOR
Q101
KRA107 M
R104
5.6K
Q102 KTC3199 GR
R154
47K
C141
1/50
C140
1/50
C105
560P
C101
180P
CNP102
C104
560P
R143
82
R114
1K
R137
10K
C109
330P
R141
47K
C138
0.0033
C130
1/50
C135
0.047(ML)
C137
0.0082
C111
47/25
R117
56
C119
1/50
C113
560P
C107
0.033
R125
5.6K
R119
100K
R121
3.9K
C110
47/25
C112
560P
C120
1/50
R124
5.6K
C106
0.033
R109
15K
R132
1.5K
1.5K
C126
22/50
R134
100
100
C116
3.3/50
R131
6.8K
Q116
KTC3203 Y
C127
0.0033
C132
220/16
C131
22/50
22/50
R135
100
100
R128
68K
68K
C118
0.022
R138
10K
C123
0.022
R150
6.8K
R116
56
C102
180P
C129
1/50
C121
270P
270P
R148
4.7
R136
10K
C108
330P
R133
1.5K
1.5K
L104
330
µ
H
R149
15K
Q114
2SA1015 GR
R153
47K
R147
4.7K
Q115
KRC104 M
R130
1K
1K
R126
15K
R127
15K
R129
1K
1K
R118
100K
R120
3.9K
C125
22/50
C122
270P
C124
0.022
0.022
R144
220
R139
22K
R115
1K
C134
47/25
C133
0.039(ML)
CNP101
IC101
AN7345K
PLAYBACK AND
RECORD/PLAYBACK
AMP.
11.3V
0V
0V
0V
0V
0V
0V
11.3V
11.3V
1
2
3
2
3
1
3
1
2
3
1
2
BIAS
SWITCHING
BIAS OSC.
REC MUTE
REC MUTE
SWITCHING
SWITCHING
0V
0V
0V
0V
3.7V
3.7V
6.8V
4V
0V
0V
0V
3.3V
3.3V
0.5V
0.5V
0V
0V
1.9V
0.5V
0V
0V
0V
0V
0.5V
1.9V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
9V
0V
10V
10V
ERASE
HEAD
RECORD/
PLAYBACK
HEAD
R-CH L-CH
9
8
7
6
5
4
3
2
1
1 2 3 4 5 6 7 8
REC_MUTE
REC_CONT
REC_L-CH
REC_R-CH
A_GND
TAPE_R-CH
TAPE_L-CH
REC_BIAS
A_+10V
M_+11V
BIAS_GND
A_GND
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
0V
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L-CH
L-CH
R-CH
R-CH
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
–
+
–
+
Hich=T1
+
+
–
–
Hich=CHROME
56K
112K
56K
112K
D
+B
+B
+B
+B
+B
+B
A
B C
– 49 –
CD-CH1000H/CD-CH1000W
Figure 49 SCHEMATIC DIAGRAM (4/13)
7
8
9
10
11
12
2
1
3
2
1
3
S-MUTE
PB_MUTE
TO MICOM SECTION
P52 5 - H
Y
X
X
W
U
V
R
S
T
O
Q
C599 0.001
R582
22K
C566
22/50
Q508
DTC363 TS
Q507
DTC363 TS
C550
22/50
R542
1.5K
R552
47K
R538
1K
C534
47P(CH)
C532
100P(CH)
C537
0.1
C536
10/50
R537
1K
C533
47P
(CH)
R551
47K
C551
22/50
R541
1.5K
C531
100P(CH)
C535
0.1
C530
10/50
JK501
AUX IN
C523
1/50
R550
39K
C525
1/50
C527
1/50
C517
1/50
C515 0.0027
C519
1/50
C521 1/50
R531 3.9K
R533 3.9K
C522
1/50
C524
1/50
C526
1/50
C528
1/50
C518 1/50
C520
1/50
C516 0.0027
C512
0.1
C514
0.1
R530
3.9K
R534
3.9K
R532
3.9K
R528
2.2K
C510
10/50
C529
10/50
R526
1K
D508
DS1SS133
D507
DS1SS133
C562
0.1
L501
2.2
µ
H
L502
2.2
µ
H
C541
390P
390P
C540
390P
390P
R549
39K
C573
2.2/50
C574
2.2/50
R548
2.2K
R547
2.2K
R592
47K
R591
47K
R543
47K
R544
47K
Q509
KRA107 M
R539
10K
R540
10K
R512
8.2K
R511
8.2K
R513
1.2K
R514
1.2K
C503
22/50
R507
22K
Q502
KTC3199 GR
C502
0.001
R504
2.2K
Q501
KTC3199 GR
C501
0.001
R503
2.2K
R502
330
R525
1K
R524
1K
R501
330
R535
47K
R536
47K
C564
0.1
C563
10/50
C511
0.1
R529
3.9K
C513
0.1
R527
2.2K
C509
10/50
IC502
LC75341
AUDIO PROCESSOR
IC503
NJM4558M
MOTOR DRIVER
C597
0.0027
C598
0.0027
0V
0V
10V
10V
0V
0V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
0V
2.6V
2.6V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0V
10V
0V
0V
0V
0V
0V
0V
3.6V
3.6V
8.2V
R-CH
L-CH
CHASSIS
GND
GND
–
–
+
+
–
–
+
–
+
–
+
+
–
+
–
+
CD_R
TUNER_R
TAPE_R
AUX_R
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ROUT
LBASS
LSEL0
CCB
INTERFACE
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LOUT
VSS
CE
DI
AUX
DECK
TUNER
CD
2
3
1
A_GND
A_+B
A_GND2
A_-B
R_CH
L_CH
TO MICOM SECTION
P52 5 - H
P51 9 - H
TO TUNER SECTION
A_GND
TUN_L
TUN_R
A_+B
D_GND
VSM
C2B_DO
C2B_CL
C2B_DI
C2B_CE
CD_L
TUNER_L
TAPE_L
AUX_L
A_GND
REC_RCH
REC_LCH
TAPE_L
TAPE_R
TO MICOM SECTION
P53 10 - H
TO MICOM SECTION
P52 4 - H
CD_R
CD_L
A_GND
8
7
6
5
4
3
2
1
–
+
+
–
IC503
MAIN PWB-A (2/3)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
CD SIGNAL
AUX SIGNAL
AUX SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
FM SIGNAL
SWITCHING
SYSTEM MUTE
SYSTEM MUTE
L M N K H E G F I
J
j
k
l m n
a b c d e f
g h i
PB_MUTE
AUX_SEL
CD-R_SEL
S-MUTE
VSM
C2B_DI
C2B_CE
C2B_DO
C2B_CL
D_GND