Read Sharp CD-CH1000 (serv.man26) Service Manual online
CD-CH1000H/CD-CH1000W
– 30 –
Figure 30 BLOCK DIAGRAM (1/6)
TO MAIN PWB
(IC901)
LASER
DRIVER
Q5
TRACKING COIL
FOCUS COIL
PICKUP UNIT
KEY
SWB101-SWB110
Q1
Q3
Q4
IC2
TC9490F
SERVO/SIGNAL
CONTROL
X1
16.934MHz
IC6
TA2147F
SERVO PRE
AMP.
CNP1
IC5
BA5939S
FOCUS/TRACKING/
SPIN/SLED DRIVER
NSW1
PICKUP IN
NM2
SLED
MOTOR
NM1
SPINDLE
MOTOR
MOB1
MAIN CAM
MOTOR
MOB2
TRAY
MOTOR
+3.3V
21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
/RST
GND
BUS1
T-MO_REV
T-MO_FOR
BUS3
BUCK
/CCE
CD/CD-RW_SEL
CD FUNC
33 32 31 30 29 28 27 26 25 24 23 22
PU-IN
CD_R-CH
CD_L-CH
CD_+B
CD_+B
A_GND
C-MO_REV
C-MO_FOR
CD_GND
CD_GND
BUS0
BUS2
CD-RW
CANB_B
CANA_E
CANA_C
CANA_A
TRAY_A
TRAY_C
TRAY_B
CANA_B
CANA_D
CANB_A
DVDD
DVSS
XI
XO
XO
XVDD
XVSS
TESIN
DVSS
DVDD
SEL
VREF
DMO
AVDD3
FMO
TEBC
RFGC
TRO
FOO
SBAD
31 30
29 28
26
25
24
23
22
13
20 19 18
TEI
FEI
RFRP
RFI
SLCO
PVREF
LPFO
LPFN
TMAX
AVSS
AVDD
RFCT
16
7
PDO
PVDD
DVSS
DVDD
/HSO
61
64
63
62
60
59
58
57
56
54
53
51
50
49
/RST
/CCE
BUCK
VSS
VDD
BUS3
BUS2
BUS1
BUS0
DVSS
LO
RO
24
23
22
21
20
19
18
17
15
14
13
12 11
9 8 7 6 5 4 3 2 1
GND
RFN
RFO
AGCI
RFGO
RFIS
RFRP
FEO
VRO
GVSW
SBAD
TEO
RFGC
TEB
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
14
13
12
11
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
M
M
M
M
TR+
FO+
TR–
SL+
SL–
SP–
SP+
SL–
SP–
SP+
FO–
+5V
VCC
17
3.3V
CONSTANT VOLTAGE
SWITCHING
48
47
46
45
44
43
42
41
40
39
15
6
38
37
36
35
34
33
POWVCC
PREVCC
LOADING1 VCC
LOADING2 VCC
POWVCC
PREVCC
MUTE
+5V
+5V
– 31 –
CD-CH1000H/CD-CH1000W
Figure 31 BLOCK DIAGRAM (2/6)
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
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
RELAY
DRIVER
MICON +5V
+B
+B
+B
-B
-B
-B
+B
-B
+B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
REGULATOR
-B
HIGH
LOW
FOR CD-CH1000H
ONLY
FOR CD-CH1000H
ONLY
FOR CD-CH1000W ONLY
FOR CD-CH1000H ONLY
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
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
Q808
Q809
IC802
KIA7810AP
VOLTAGE
REGULATOR
IC203
KIA4558P
OPE AMP.
T801
MAIN POWER
TRANSFOMER
MO200
FAN
MOTOR
Q202
M+10V
230-240V
220V
127V
110V
SO801
VOLTAGE
SELECTOR
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
Ch2
Out
Ch2
Ch2
Ch2
Ch1
–
–
+
+
+Vcc
–Vcc
CD-CH1000H: AC 230V, 50Hz
CD-CH1000W: AC 110/127/220/230-240V,
50/60Hz
-
+
+
-
+
-
+
-
JK701
HEADPHONES
HEADPHONES
L802
LINE
LINE
FILTER
AC POWER
SUPPLY CORD
CD-CH1000H/CD-CH1000W
– 32 –
Figure 32 BLOCK DIAGRAM (3/6)
1
1
11
11
11
10
9
8
7
6
5
4
3
2
1
g
h
i
TO CD SERVO PWB
O Q P X Y U V W T R S d
f
c
b a
TO POWER
PWB
+B
IC905
CNP806
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW901
SPAN SELECTOR
FOR CD-CH1000W ONLY
VOLT
X902
32.768kHz
Q909
Q908
Q907
Q906
Q905
IC905
KIA7042AP
RESET
Q901
X901
8MHz
CNP970
FFC970
IC901
IX0385AW
SYSTEM
MICROCOMPUTER
IC912
BU2092
OUTPUT
EXPAND
CNP901
33
32
31
30
29
28
27
26
25
24
23
22
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
20
19
18
17
16
15
14
13
12
17
16
15
14
13
12
11
10
10
9
8
7
6
5
4
3
2
1
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
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
+
–
1
2
3
4
5
6
7
8
9
10
11
F_REC
CST_SW
NC
NC
–COM
+MTR
+5V SENSOR
SENSOR OUT
+SOL
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
CST-SW
LEVEL_L
LEVEL_R
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
40
41
42
43
44
45
46
47
48
49
50
31
30 29 28 27 26
24
25
23 22 21
19 18 17 16 15 14 13 12 11 10
20
32
33
34
35
36
37
38
39
9 8 7 6 5 4 3 2
CD RE
CD
83 FH T-SW C
82 FH T-SW B
81 FH T-SW A
LCD E
FH
A
-SW
B
FH
CD MUTE
FH M
FH
FH M
AVref1
AVSS
Vref 0
AVDD A
CD
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 PIC
TEST/Vpp
LCK2
LCK1
VDD
DEST_OUT2
FH C-S
FH C-S
FH A-SW E
FH A-SW D
FH A-SW C
CD B
CD B
CD B
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 B
C FUTA CL
SYS MUTE
CD B
REC M
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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
49 SP RLY
50 POWER KEY
GND
PLAY
SWITCH
CASSETTE
SWITCH
SOLENOID DRIVER
RUN PULSE
MOTOR DRIVER
SYS STOP
+5V
– 33 –
CD-CH1000H/CD-CH1000W
Figure 33 BLOCK DIAGRAM (4/6)
+B
8 7 6 5 4 3 2 1
TO POWER PWB
TO POWER
PWB
OWER
WB
WB
IC913
CNP102
CNP807
806
DIMMER
3
2
1
+B
+B
+B
+B
+B
+B
SW711,SW712,
SW720~SW725
Q954
Q955
IC701
TA7291S
LOADING
MOTOR DRIVER
1 2 3 4 5 6 7 8 9
IC913
KIA7805P
VOLTAGE REGULATOR
BI940
CNS940
BI950
BI960
IC912
BU2092F
OUTPUT
EXPANDER
CNP934
CNP931
UNA902
OPTICAL FIBER
DATA LINK
+B
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
8 7 6 5 4 3 2 1
POWER_RLY
SP_RLY
PROTECT
FAN
D_GND
SP_DET
SP_RLY
UN_SW 5V
AC_RLY CTL
A_-B
D_GND
FAN_CTL
1 2 3 4 5 6 7 8
M_+B
M_GND
CD_+B
CD
_
GND
CD_+B
M_GND
M_+B
PNL_OP
PNL_CL
D GND
A +B
SDA
SCL
D +B
D_GND
KEY4
KEY3
KEY2
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
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
DATA
CLK
VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11
10
9
8
7
6
5
4
3
2
1
LEVEL_R
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
73 74 75 76 77 78 79 80
8 7 6 5 4 3 2 1
CD RESET
CD CCE
FH A-SW B
FH M B-
FH A-SW A
FH M B+
FH M A-
FH M A+
CD RW
CD PICK IN
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
AS
TE
DEST_OUT1
CD BUCK
CD BUS0
REC MUTE
LCD
-RW
LCD-E
RUN
PULSE
T-SOL
T-MOTOR
NC
NC
NC
NC
m
j
k
m
8 9 10 11 12 13 14 15
IC701
+B
Q724
Q720
Q721
Q723
Q725
Q722
SW710,
SW730~SW735
LED759
LED731
LED754
LED756
LED757
LED758
LED755
SW701
POWER
RX701
REMOTE
SENSOR
LED770
SW750~SW753,
SW755,SW756,SW758
SW755,SW756,SW758
JOG701
JOG DIAL
SW761~SW764
Q708
LED776,
LED783-
LED785
LED783-
LED785
SW770,
SW772~SW774,
SW776,SW778
SW772~SW774,
SW776,SW778
CNS720
CNS770
IC702
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
Q5
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND
DATA
CK
LCK
LCK
KEY0
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
JOG-B
KEY2
KEY3
KEY4
D_GND
D_GND
3
2
1
5
6
7
8
9
9
10
11
1
2
3
4
4
4
3
6
7
5
2
1
DATA
+B
+B
+B
+B
+B
+B
+B
+B
5
1
CNP701
Q707
LED701 ~ LED709,
LCD720
LCD DISPLAY
LED716 ~ LED724
5
1
2
3
4
3
4
VDD
VSS
VLCD
SW705
OPEN/CLOSE
MO700
CONTROL
PANEL MOTOR
MOTOR_–
MOTOR_+
D_GND
CLOSE_SW
OPEN_SW
M