DOWNLOAD Sharp CD-BA1700 (serv.man10) Service Manual ↓ Size: 3.48 MB | Pages: 64 in PDF or view online for FREE

Model
CD-BA1700 (serv.man10)
Pages
64
Size
3.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Including circuit diagrams
File
cd-ba1700-sm10.pdf
Date
PREV: Sharp CD-BA1700 (serv.man9) Service Manual

Sharp CD-BA1700 (serv.man10) Service Manual ▷ View online

– 21 –
CD-BA160H/1700H
 Figure 21 BLOCK DIAGRAM (1/3)
CNP12 
CNP11
Q2
+3.3V 
+5V 
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLDO
SPDO
FDO
TDO
+5V 
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR 
M1
SPINDLE
MOTOR
M
M
TRACKING  COIL 
FOCUS  COIL
PICKUP UNIT 
TE
FE
RFEV
HFL 
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V 
CONSTANT
VOLTAGE
+5V
Q1
Q3
LASER
DRIVER
LDD 
PD
VCC3
VCC2
VCC4
VCC1
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC401)
R-CH
L-CH
AGND
DGND
+B2(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
LOADING
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75 76
45 46 47 48
32 31 30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
73
5 18 36 44 49
50
7 14 15 16
23
24
25
26
33
3
13
19
40
64
74
17 18 19 20 21 22
30
23
11
9
1
4
5
6
7
15 16 26 27
2 17 25
41 42 38 39
35
29
22
21
14
8
40
18
24
23
28
SW4
PICKUP IN
+3.3V 
CNS99
BI99
CNP5
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
1
2
3
1
2
3
1
2
3
37
DOUT
1
2
3
CD-BA1700H
ONLY
O/C
DISC_NO
M+
M-
CD-BA1700H
ONLY
VCC 
~
~
TO
FD
SLDO
SPO
PUIN
LD_M-
LD_M+
LOADING M-
LOADING M+
CD-BA160H/1700H
– 22 –
 Figure 22 BLOCK DIAGRAM (2/3)
AM LOOP
ANTENNA
XIN 
VDDD
VSSD
DO
CL
DI
CE
XOUT
VDDA
VSSA
IN
MPX  
FM  AFC
BALUN 
REC/PLA
CL
CE
DI
SYSTEM
MUTE   
DO
CL
DI
CE
MO/ST 
+B1 
SWITCHING 
+B1 
FM/AM 
OUT 
FM/AM 
+B
L-CH
R-CH
BAIS
T1/T2
MUTING
PLAYBACK
RECORD 
AC  BIAS 
R-CH 
L-CH 
CD R 
TAPE R 
AUX L
TAPE L
TUNER L
CD L
PB
FROM CD 
SECTION 
ERASE
HEAD  
SWITCHING 
SWITCHING 
SWITCHING 
BIAS
SWITCHING 
BIAS OSC
RECORD/
PLAYBACK 
HEAD 
TAPE  2
PLAYBACK
HEAD 
TAPE  1
R-CH
L-CH
R-CH
L-CH
H/N 
P.B 
+B1 
R  
L  
REC L  
REC R  
L  NF
R  NF
ALC 
REC 
T1/T2 
T1/T2 
HIGH
NOR/
REF 
R  REC 
L  REC 
POP  REDUCE
R  NF
L  NF
SWITCHING 
L(T2) 
R(T2) 
R(T1) 
L(T1) 
R 
L 
FM/AM 
MPXIN 
STEREO
AM  RF  IN
AM  OSC  IN 
FM  +B 
FM
VT
AOUT
AM OSC
AM 
ANTENNA 
MO/ST 
DET 
FM   
VCC
GND 
AM  IF 
FM IF DET/FM MPX./AM IF
AM  MIX
F OUT
FM  FRONT  END
1
1
9
7
2
4
5
9
8
13
14
15
12
16
20
12
13
20
21
22
23
14
15
3
4
2
22 15
6
5 4 3
16
11
17
21
23
1
2
4
3
8
7
1
2
3
4
5
4
1
2
3
6
9
5
7
8
13
21
24
23
22
16
14
12
20
18
17
10
19
15
9
24
21
13
12
14
11
15
10
16
17
18
10
18
24
21
22
23
7
1
8
5
4
3
7
6
2
1
3
1
3
2
2
3
1
2
TUNER R
AUX R
Q112
XIN
XOUT
NC 
NC 
NC 
VDD 
+5.1V 
VCC
1
6
7
IC702 
7
6
1
IC703 
SPEANA
SPEAN
SPEAN
7
L-IN
QT21
L354
IC303
LA1832S
X352
4.5MHZ
IC302
LC72131
PLL(TUNER) 
Q360
SO401
VIDEO/AUX
Q401
Q402
Q110
Q111
IC401
LC75341
AUDIO  PROCESSOR
CNP11 
IC101
AN7345K
PLAYBACK  AND  RECORD/
PLAYBACK  AMP. 
CNS402
ICT21
LC72722
RDS CIRCUIT
XT21
4.332MHz
T306
T303
L341
SO301A
FM ANTENNA
TERMINAL  
FE301 
CF301 Q301
CF302 
CF351
FM IF 
CF352 
T351
Q103
Q108
Q109
Q104-
Q107 
Q101
Q102
Q114
L104
Q113
1
2
CNP302
1
2
FM IF 
FM IF 
LOW PASS
FILTER
IC702:IC703
KIA4558P
OPE AMP.
– 23 –
CD-BA160H/1700H
 Figure 23 BLOCK DIAGRAM (3/3)
+B2 
+5V 
5V
EC/PLAY
VLOAD 
+B3 
RESET  IC
SYS.  STOP 
RESET 
+B2 
M901
FAN  MOTOR 
M 
+B3 
+B3 
+B3 
+B3 
VDD 
VDD 
VDD 
L-OUT 
R-OUT 
SP.  DET.
UNSWITCH
+5V 
A10V
+B3 
+B2 
+B1 
TEM
E   
CE
DI
CLK
DO
+B1 
-Vcc
+Vcc
BAIS
T1/T2 
AVDD
SW601-SW623
SW625~SW628 
KEY SWITCH 
SECTION 
TO  CD 
AC  POWER
SUPPLY  
CORD 
T.F.
1 2 3
47 48 49
6
13 14
16
59
10
3
1
2
11 12 13 15 16 17
20 21 22 23 24
1
1
7
8
9
15
13
10
7
9
4 5 6
63
78
79
80
85
90
92
93
100
56 55 54 53 52 51 50 49
47 46 45 44 43 42 41 40
39
38
37
36
35
34
33
31
23
28 29
44
L-CH
R-CH
~
~
~
~
~
~
~
~
~
~
~
AVref
T-BIAS 
T_T1/T2 
REC/PLAY 
SO901
(CD-BA160H)
FOR 2 SPEAKERS
SO902
(CD-BA1700H)
FOR 4 SPEAKERS 
SURROUND
SPEAKER
(CD-BA1700H
 ONLY) 
SO902
(FOR
CD-BA1700H) 
SPEAKER
TERMINALS  
+B
REMOTE SENSOR
1
3
2
RX701 
TAPE
MOTOR
TO TAPE
MECHANISM
+B
3
1
2
2
2
3
1
1
3
RESET
X2
X1 
MOTOR
DRIVER 
MOTOR
DRIVER 
+B2
JK951
HEADPHONES  
7
1
30
29
28
EANA2
SPEANA1
SPEANA0
IC701
IX0329AW
SYSTEM MICROCOMPUTER
SO901
FRONT
SPEAKER
(FOR 
 CD-BA160H)
RL951
RELAY 
F801
T4A L 250V
IC901
STK40204
POWER  AMP. 
D801
XL701
4.19MHz 
RL871
RELAY 
F802
T4A L 250V 
D802-D805 
F803
T2A L 250V 
L801
IC851 
PT801
MAIN POWER TRANSFORMER 
PT871
SUB POWER TRANSFORMER 
D872-875
Q873
IC852 
IC841 
Q971
Q609
IC704 
Q601~
Q603 
Q901
Q902
Q903
Q904
01
02
FL701
FL DISPLAY 
IC704
KIA7042AP
RESET 
L-CH 
L-CH 
L-CH
GND 
L-CH 
GND 
R-CH 
R-CH
GND 
R-CH 
R-CH 
GND 
SO801
AC INPUT
SOCKET
AC 230V
      50Hz
LINE 
FILTER
Q951
Q605
Q606
Q607
M
Q608
Q604
LED722
VOLTAGE REGULATOR
IC852
AN78L05
CONSTANT VOLTAGE
REGULATOR 
IC841
KIA7810AP
VOLTAGE
REGULATOR 
IC851
KIA7805P
VOLTAGE REGULATOR 
Q801
VOLTAGE REGULATOR
CD-BA160H/1700H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
GND 
L 
GND 
+5V 
R 
M_GND 
(CD_GND)
(A_GND) 
+5V
CD_GND
L-CH
A_GND 
R-CH
TAPE1_R 
TAPE1_L 
A_GND 
A_GND 
ERASE 
TAPE2_R2
TAPE2_R1
TAPE2_L1
TAPE2_L2
9.3V
8.6V
9.3V
0V
3.4V
3.4V
0V
0V
0V
0V
0.7V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
ERASE
HEAD
PLAYBACK  HEAD 
RECORD/ 
TAPE2 
TAPE1 
PLAYBACK HEAD
R-CH
L-CH
R-CH
L 
R 
- 
- 
+ 
Hich=T1  + 
Hich=CHROME 
112K
112K
CD
TUN 
DECK
AUX 
LSEL0 
-  + 
-  + 
-  + 
- + 
- + 
- + 
- 
+ 
-  + 
R1
R2
R3
R4
RSEL0 
RIN 
RTRE
RBASS 
ROUT
VREF
VDD 
CLK 
L1
L2
L3
L4
LIN 
LTRE
LBASS 
LOUT
VSS 
CE
DI
24
23
1
24
23
22
21
20
1
2
3
4
5
19
18
17
6
7
8
2
22
21
20
19
18
17
16
15
14
13
3
4
5
6
7
8
9
10
11
12
3
2
1
3
2
1
1
2
3
4
5
6
7
1
2
3
4
5
3
4
2
1
5
CNP11
TO CD 
SERVO
PWB
P33 12-D
BI402 
CNS402
TO 
POWER
SECTION
P26 1-F
1
2
Z
Y
3
+B
7
6
5
4
3
2
1
L-CH
1
1
2
2
3
3
MUTING
+B
+B
+B
+B
R132
15
K
C126
270P
R128
6.8K
R130
3.9K
C42
1/50
C42
1/5
C42
1/50
C42
1/50
C420
4.7/50
C418
1/50
C414
0.002
C41
0.1(
CCB
INTERFACE  
C407
10/50 
C409
0.1
(ML)
C411
0.1 (ML)
C441
0.0033
C421
1/50
C427
1/50 
C425
1/50
C423
1/50
R415
3.9K
R417
3.3K
C419
4.7/50
C417
1/50
C413
0.0027 
C439
0.001
Q110
KTC3
R401
330
R409
10K
Q401
KTC3199 GR
R407
2.2K
C401
0.001
R404
2.7K
R403
2.7K
R408
2.2K
C402
0.001
Q402
KTC3199 GR
R410
10K
R425
22K
R402
330
C403
22/25
C404
100/16
C405
0.022
R157
150 
R104
1K
R102
10K 
Q102
KRC104 M 
R137
15K
R101
10K
Q103
KRC104 M 
C108
100/16
R103
4.7K
Q101
KTA1266GR
SWITCHING
C122
47/25
R122
5.6K
C116
100/25
R116
56
L102
2.2
µ
H 
R118
100K
C118
0.033
R120
3.9K
C120
560P
C114
330P
R124
33K
R114
1K
C112
330P
C144
0.0022
R126
68K 
IC101
AN7345K 
C106
0.001
R105
1K
R110
47K
Q108
KTC3199 GR 
R112
4.7K
R108
3.3K
R106
2.2K
Q104
2SC1845 F 
Q106
2SC1845 F 
C104
180P
C102
0.001 
C103
0.001 
R109
3.3K
Q107
2SC1845 F
C105
180P
R107
2.2K
Q105
2SC1845 F 
R113
47K 
Q109
KTC3199 GR 
C107
0.001 
R111
4.7K
L101
2.2
µ
H 
C115
330P
R115
1K
R121
3.9K
R119
100K
R123
5.6K
C137
0.022 
C119
0.033
C117
100/25
R117
56
R125
33K
C123
47/25
C121
560P
C143
0.0022
R127
6.8K
270P
C127
C139
3.3/50
R129
3.9K
C131
R131
1.5K
C113
330P
R138
15K
CNP101
CNP102
IC401 
LC75341 AUDIO PROCESSOR
FM SIGNAL 
PLAYBACK SIGNAL 
RECORD SIGNAL 
CD SIGNAL 
VIDEO SIGNAL 
CHASIS
SYSTEM MUTE
SYSTEM MUTE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK
AMP. 
TAPE MECHANISM
ASSEMBLY(1/2)
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