CD-BA3000 (serv.man4). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual)

Model: CD-BA3000 (serv.man4)
Pages: 14
Size: 983.75 KB
Type: PDF
Document: Service Manual
Brand: Sharp
Device: Audio / System / Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams
File: cd-ba3000-sm4.pdf
Date: 2018-11-20

Next: Sharp CD-BA3000 (serv.man5) Service Manual

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CD-BA3000H
– 14 –
•
 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
SW713
OPEN/CLOSE
ON—OFF
SW714
DIMMER
ON—OFF
SW715
EQUALIZER
ON—OFF
SW716
X-BASS
ON—OFF
SW719
CD
ON—OFF
SW723
TAPE
ON—OFF
SW724
TUNING/TIME DOWN
ON—OFF
SW725
MEMORY SET
ON—OFF
SW726
PRESET DOWN
ON—OFF
SW727
RESET UP
ON—OFF
SW728
PLAY
ON—OFF
SW729
STOP
ON—OFF
SW731
REC/PAUSE
ON—OFF
SW732
TUNING/TIME UP
ON—OFF
SW733
VIDEO/AUX
ON—OFF
SW734
TUNER
ON—OFF
REF. NO
DESCRIPTION
SW1
OPEN/CLOSE
ON—OFF
SW2
CLAMP
ON—OFF
SW3
DISC NUMBER
ON—OFF
SW4
PICKUP IN
ON—OFF
SW701
POWER
ON—OFF
SW702
CLOCK
ON—OFF
SW703
TIMER/SLEEP
ON—OFF
SW704
PTY. TI SEARCH
ON—OFF
SW705
EON
ON—OFF
SW706
ASPM
ON—OFF
SW707
DISPLAY MODE
ON—OFF
SW708
STATION
ON—OFF
SW709
DISC-1
ON—OFF
SW710
DISC-2
ON—OFF
SW711
DISC-3
ON—OFF
SW712
DISC SKIP
ON—OFF
Figure 14 TYPES OF TRANSISTOR AND LED
(1)  (2) (3) 
(S) (G) (D) 
E   C    B 
FRONT
VIEW
KTA1266  GR
KRC102  M
KRC104  M
KTA1271 Y
KTA1274 Y
2SC1815 F
KTA1273  Y
KTC3203  Y
KTC3199  GR
KTC107 M
2SC380 O
2SA1015 GR
KTC2026
4204SRT7
SLI325YC
B C E
FRONT
VIEW
FRONT
VIEW

– 15 –
CD-BA3000H
CNP12 
CNP11
Q2
+3.3V 
+5V 
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLD0
SPD0
FD0
TD0
+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 
Q1
LDD 
PD
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH
AGND
DGND
DGND
DIGITAL
OUT
+B6(+5V)
+B5(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
–
+
M
SW1
OPEN/
CLOSE
XL1
16.934MHz
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
TO DIGITAL
OUTPUT SECTION
CNS99
SW2
CLAMP
SW3
DISC
NUMBER
M3
T/T
UP/DOWN
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75
37
76
45
46
47
48
32 31
30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DRF
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
24
23
28
3
2
1
Q3
LASER
DRIVER
CONSTANT
VOLTAGE
+3.3V
+5V
VCC4
18
VCC1
TO
VCC2
VCC3
FD
SLDO
SPO
LD_M–
LD_M+
LOADING
M–
LOADING
M+
FO+
FO–
TR+
TR–
SL–
SL+
SP+
SP–
SW4
PICKUP IN
CNP5
 Figure 15 BLOCK DIAGRAM (1/3)

CD-BA3000H
– 16 –
-B2
+B4
-20dB
ATT
SYSTEM
MUTE
Q605
Q606
Q603
Q604
DO
CL
DI
CE
MO/ST 
+B4
+B5
FM+B
FM+B
SWITCHING 
+B4
+B4
+B4
IC860
KIA4558P
OPE AMP.
–B2
FM/AM 
IC302
LC72131
PLL(TUNER)
ICT21
LC72720
RDS DECORDER
FM/AM
OUT 
+B4 
L
R
BIAS
T1/T2 
REC 
MUTING
Q121
Q122
AC BIAS 
R 
L 
JK601
VIDEO IN
L 
L 
R 
R 
R 
L 
R 
L 
AUX 
TAPE
TUNER 
CD
P.B
CNS11
FROM CD SECTION
CNP11
ERASE
HEAD
SWITCHING 
SWITCHING 
SWITCHING 
BIAS
Q110
Q111
Q109
Q126
SWITCHING 
Q124
L103
BIAS
OSC
Q128
L104
Q107
Q108
REC/PB HEAD 
TAPE 2
PB HEAD 
TAPE 1
L-CH
R-CH
L-CH
R-CH
IC601
LC75341
AUDIO PROCESSOR
IC99
TOTX1784
OPTICAL FIBER
DATA LINK
H/N 
P.B 
+B4
R  
R  
L  
L  
REC
R
L
L NF
R NF
ALC 
REC 
T1/T2 
T1/T2 
NOR/
HIGH
REF
R REC
L REC
POP REDUCE
R NF
L NF
SWITCHING 
Q103-
Q106
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK  AND  RECORD
/PLAYBACK  AMP.
R
L
FM/AM 
MPXIN 
STEREO
AM RF IN
AM OSC IN 
AM IN 
FM IN 
AM OSC OUT
FM +B 
FM
VT
VCC
FM  OSC
OSC 
X352
4.5MHZ
XT21
4.332MHZ
AM BAND
COVERAGE
AM
TRACKING 
T303
T306
X351
456kHz
MO/ST
VCO
FM
DET
VCC
GND
AM IF
CF351 
IC303
LA1832S
FM IF DET./FM MPX./AM IF 
AM MIX
CF352 
T351
CF301
FE301
TA7358AP
FM FRONT END
AM LOOP
ANTENNA
SO301
FM ANTENNA 
TERMINAL
9
10
18
11
16
3
8
4
15
10
9
7
7
1
8
17 18
4
1
8
4
7
21
12
13
1
2
3
20
19
7
18
10
8
17
13
21
4
5
2
3
4
6
9
16
12
15
1
5
1
2 4 3
3
7
4
3
8
21
7
9
8
5
17
6
21
2
1
20
22
23 22 21 20
11
17
16
15
15 14 13
12
5
1
2
6
13
14 
12
15
16
4
7
CF303
Q360
Q301
4
24
23
14
14
23
24
P.B 
REC 
3
2
1
FROM CD SECTION
CNP5
23
+B4
AM IF
1
2
VDD
+5V
OPE
AMP.
KIA4558P
IC561
IC562
IC563
VCC
Q862
Q863
CNS99
+B4
ZD351
L354
LOW PASS
FILTER
L341
BALUN
CE
DI
CL
DO
VSSD
VDDD
XIN
XOUT
MPX IN
VSSA
VDDA
CNP301
 Figure 16 BLOCK DIAGRAM (2/3)

– 17 –
CD-BA3000H
 Figure 17 BLOCK DIAGRAM (3/3)
D801
C801
RY801
VLOAD 
+B7
+B3
SYS.  STOP 
RESET 
IC704
KIA7042P
RESET
Q709
Q907
+B6
M901
FAN MOTOR 
M
SO901
SPEAKER
TERMINAL
RL901 
Q905
+B7
+B7
+B7
+B7
+B7
VDD 
VDD
VDD 
+B6
LCK 
CL
DI
Q803
R 
L 
Q901
Q902
Q903
Q904
L-OUT
R-OUT
SP. DET.
UNSWITCH 5V
CD+B 
+5V 
A10V
M10V
+B7
+B5
+B6
+B4
+B3
Q801
Q852
KIA7805P
VOLTAGE
REGULATOR
Q851
KIA7810AP
VOLTAGE
REGULATOR
Q850
CE
DI
CL
DO
XL701
4.1943MHz 
Q802
D802-D805
T802
POWER
TRANSFORMER
D811-D814
D810
D809
IC702
BU2902F
INPUT/OUTPUT
EXPANDER
F806
T2A L 250V
F805 
T5A L 250V
F804
T5A L 250V
VL+
VH+
VL-
VH-
IC901
STK4113E
POWER  AMP.
AVDD
KEY
SW701-SW716
SW723-SW729
SW731-SW734
TO CD
SECTION 
Q701-Q703
Q710-Q712 
AC POWER
SUPPLY CORD
AC 230V 50Hz
IC701(1/2)
IX0333AW(To SERIAL NO. 006XXXXX)
IX0366AW(From SERIAL NO. 007XXXXX)
SYSTEM
MICROCOMPUTER
FL701
DISPLAY
1
3
2
15
18
16
85
80
33
31
1
2
3
45
1 2
4
5
7
13
9
10
15 16
17
20 21
24 23 24
25
86
91
92
79
78
60
59
39
38
36
34
22
18
15
14
7
2 12
13
8
4
1
12
13
4
2
1
3
27
28
3
6
2
15
1
20
53
56 57 58
T.F
CONSTANT
VOLTAGE
REGULATOR
~
~
~~~
~
11 12
100
58 57 56 55 54 53 52 51 50 49 48 47 46
44 43 42 41 40
37
35
JK670
HEADPHONES  
14
~
~
~
29
14
17
+B6
+B6
+B6
8
5
~
+B4
RESET
T801
POWER TRANSFORMER
+B1
VF2
-VF
VF1
CONSTANT
VOLTAGE
-B2
+B2
-B1
DRIVER
JOG701
JOG
RX701
REMOCON
SENSOR
10Hz
IC701(2/2)
SYSTEM
MICROCOMPUTER
63Hz
Q708
+B3
+B3
M
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
56PIN
IC701
55PIN
MM1
TAPE
MOTOR
SOLM1,SOLM2
SOLENOID
SWM2
T2 PLAY
SWM1
T1 PLAY
SWM4
R. PLAY
SWM3
F. PLAY
Q864
Q865
MOTOR
DRIVER
Q715
Q716
Q713
Q714
M701
MOTOR
VOLUME
M
Q910
Q911
L-CH
R-CH
CONSTANT
VOLTAGE
ZD801
F801
T2.5A L 250V
TAPE MECHANISM ASSEMBLY
L801
IC701(2/2)
IX0333AW(To SERIAL NO. 006XXXXX)
IX0366AW(From SERIAL NO. 007XXXXX)

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Download Sharp CD-BA3000 (serv.man4) Service Manual (Repair Manual)

Here you can read online and download Sharp CD-BA3000 (serv.man4) Service Manual in PDF. CD-BA3000 (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp CD-BA3000 (serv.man4) 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.

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