CD-BA160 (serv.man5). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual)

cd-ba160 (serv.man5) service manual
Model
CD-BA160 (serv.man5)
Pages
14
Size
992.77 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams
File
cd-ba160-sm5.pdf
Date

Read Sharp CD-BA160 (serv.man5) Service Manual online

CD-BA160H/1700H
– 20 –
 The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
(  ) indicates AM
< > indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
(  ) indicates the record state.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
 Parts marked with “       ” (                          ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
 Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
 Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means micro-micro-farad and the unit of the
capacitor without such a symbol is microfarad. As to
electrolytic capacitor, the expression “capacitance/withstand
voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
 Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
REF. NO
DESCRIPTION
POSITION
POSITION
SW613
EQUALIZER
ON—OFF
SW614
VOLUME UP
ON—OFF
SW615
VOLUME DOWN
ON—OFF
SW616
CD
ON—OFF
SW617
TAPE
ON—OFF
SW618
TUNING DOWN
ON—OFF
SW619
MEMORY SET
ON—OFF
SW620
REVIEW
ON—OFF
SW621
FAST FORWARD
ON—OFF
SW622
PLAY/REPEAT
ON—OFF
SW623
STOP
ON—OFF
SW625
RECORD/PAUSE
ON—OFF
SW626
TUNING  UP
ON—OFF
SW627
VIDEO/AUX
ON—OFF
SW628
TUNER (BAND)
ON—OFF
REF. NO
DESCRIPTION
SW1
OPEN/CLOSE
ON—OFF
SW2
CLAMP
ON—OFF
SW3
DISC NUMBER
ON—OFF
SW4
PICKUP IN
ON—OFF
SW601
ON/STAND-BY
ON—OFF
SW602
CLOCK
ON—OFF
SW603
TIMER/SLEEP
ON—OFF
SW604
PTY TI/SEARCH
ON—OFF
SW605
EON
ON—OFF
SW606
ASPM
ON—OFF
SW607
DISPLAY MODE
ON—OFF
SW608
STATION
ON—OFF
SW609
DISC SKIP
ON—OFF
SW610
OPEN/CLOSE
ON—OFF
SW611
DIMMER
ON—OFF
SW612
X-BASS
ON—OFF
Figure 20 TYPES OF TRANSISTOR AND LED
(1)  (2) (3) 
(S) (G) (D) 
E   C    B 
FRONT
VIEW
KTA1266  GR
KTA1271 Y
KTA1273  Y
KTA1274 Y
KTC3199  GR
KTC3203  Y
KRC102  M
KRC104  M
KRC107 M
2SC1845 F
2SC3203 Y
2SC380 O
KTC2026
4204SRT7
B C E
FRONT
VIEW
FRONT
VIEW
– 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) 
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 
+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
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Download Sharp CD-BA160 (serv.man5) Service Manual (Repair Manual)

Here you can read online and download Sharp CD-BA160 (serv.man5) Service Manual in PDF. CD-BA160 (serv.man5) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp CD-BA160 (serv.man5) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.