Sharp CD-BA3000 (serv.man7) Service Manual ▷ View online
– 25 –
CD-BA3000H
7
8
9
10
11
12
Figure 25 SCHEMATIC DIAGRAM (8/10)
HP_RLY
HP_GND
HP_R-CH
HP_L-CH
M_+10V
+
VL+
VH+
T.F
6 OHMS
SPEAKER
R-CH
L-CH
M
2
1
2
1
2
3
1
2
3
4
5
3
4
5
1
2
3
4
5
3
4
5
1
2
3
4
5
3
4
5
1
2
3
4
5
3
4
5
1
2
3
4
5
3
4
5
1
2
3
4
5
3
4
5
1
2
3
1
2
3
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
POWER
TRANSFORMER
AC POWER SUPPLY
CORD (229)
AC 230V 50Hz
When Servicing, pay attention as the
area enclosed this line ( ) is
directly connected with AC main voltage.
area enclosed this line ( ) is
directly connected with AC main voltage.
POWER TRANSFORMER PWB-B2
FM SIGNAL
1
5
2
1
3
HEADPHONES
PWB-A3
PWB-A3
2
3
4
5
3
4
5
1
JK670
HEADPHONES
WT601
C640
100P
100P
C639
100P
100P
L601
2.2
2.2
µ
H
C937
0.022(ML)
0.022(ML)
C935
0.022(ML)
0.022(ML)
C936
0.022(ML)
0.022(ML)
C938
0.022(ML)
0.022(ML)
C932
0.022(ML)
0.022(ML)
C934
0.022(ML)
0.022(ML)
R947
5.6(1/2W)
5.6(1/2W)
R948
5.6(1/2W)
5.6(1/2W)
C933
0.022(ML)
0.022(ML)
C931
0.022(ML)
0.022(ML)
R945
3.9(1/2W)
3.9(1/2W)
R946
3.9(1/2W)
3.9(1/2W)
L904
0.29
0.29
µ
H
L903
0.29
0.29
µ
H
C927
0.22
0.22
C929
0.22
0.22
R931
4.7(1/2W)
4.7(1/2W)
RL901
D911
1SS133
R936
220
R938
68K
C943
10/50
10/50
D912
1SS133
1SS133
R939
1K
1K
C945
47/25
47/25
Q907
KTC3203Y
DRIVER
KTC3203Y
DRIVER
CNP903
R941
560(2W)
R942
560(2W)
C928
0.22
0.22
C930
0.22
0.22
R932
4.7(1/2W)
4.7(1/2W)
R930
56K
56K
C925
47/50
R923
56K
L902
0.29
µ
H
R928
10(1/2W)
10(1/2W)
R926
10(1/2W)
10(1/2W)
D909
1SS133
1SS133
Q904
KTC3199GR
Q903
KTC3199GR
KTC3199GR
R925
10(1/2W)
10(1/2W)
R927
10(1/2W)
10(1/2W)
R929
56K
56K
L901
0.29
µ
H
D905
1N5402M
3
ZD901
MTZJ6.2C
C901
3300/71
1000/35
D901
1N4004S
1N4004S
D809
TS6B04GM
TS6B04GM
C811
1
C812
1
C809
0.22
0.22
C810
0.22
0.22
C821
100/63
C815
100/50
D816
1N4004S
1N4004S
D815
1N4004S
D818
1N4004S
1N4004S
C816
100/50
C818
47/50
ZD801
MTZJ36C
C817
220/63
R802
2.2K
D811
1N4004S
1N4004S
D814
1N4004S
1N4004S
D812
1N4004S
1N4004S
D813
1N4004S
1N4004S
C814
0.22
C813
0.22
D817
1N4004S
C801
0.0047
0.0047
L801
Q803
KTA1274Y
KTA1274Y
805
10
D801
1SS133
1SS133
RL801
F801
T2.5A L 250V
3
D802
1N4004S
1N4004S
T802
04S
4S
C802
0.047(ML)
D803
1N4004S
1N4004S
Q905
KRC107M
R933
2.2K
R934
2.2K
R937
15K
CNS803
CNP802
BI802
BI801
CNS802
CNS801
F806
T2A L 250V
F805
T5A L 250V
CNP803
CNP801
T801
POWER TRANSFORMER
F804
T5A L 250V
CNS903
M901
FAN MOTOR
SO901
SPEAKER
TERMINAL
SPEAKER
TERMINAL
FW902
BI803
K802
K801
CD-BA3000H
– 26 –
Figure 26 SCHEMATIC DIAGRAM (9/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
T303
AM ANT.
SO301
CF301
CONT
IF
FM/AM
FM/AM
AM LOOP
ANTENNA
ANTENNA
SD
ST IND
MO/ST
F OUT
IF OUT
VCC
VT
GND
GND
GND
ANT
VSS
AOUT
AIN
PD
VDD
FM IN
AM IN
DO
CL
DI
CE
X IN
IF IN
REG
AM IF IN
GND
SD
STEREO
FM/AM
OUT
VSM
AM LOW
CUT
AM RF IN
AM
OSC IN
FM AFC
AM OSC
OUT
AM MIX
OUT
FM IF IN
1
2
1
2
MAIN PWB-A1(2/2)
FM SIGNAL
AM SIGNAL
2
1
3
2
1
3
2
1
3
2
3
4
5
1
7
8
6
2
3
4
5
1
7
8
9
6
11
10
12
13
14
15
17
18
19
16
22 21 20
X OUT
18
19
22
23
24
21
20
2
3
4
5
1
7
6
BALUN
AM OSC
AM
TRACKING fL
AM BAND
COVERAGE fL
FM ANTENNA
TERMINAL
LOW
FILT
R386
22K
C386
330P
330P
R376
1K
1K
R393
1K
1K
C354 0.022
C353 0.022
R352
1K
1K
CF352
T351
R350
2.7K
2.7K
C367
1/50
1/50
L354
C361 0.022
C362 3.3/50
R358
3.9K
3.9K
R365
10K
10K
C365 0.022
C366 0.001
C364 10/16
C363 0.022
R351 5.6K
C342
0.022
0.022
C350 0.047
C352 10/16
VD301
SVC348S
SVC348S
R336
10K
C315 0.022
R323
68K
CF303
R378 1K
R382
150
150
C381
12P
(CH)
12P
(CH)
R380
1.5K
1.5K
C393
1/50
1/50
C380
10/16
10/16
R372 1K
R381
10K
10K
C382
15P(CH)
15P(CH)
C384
0.001
0.001
C397
0.022
0.022
C394
47/16
47/16
C392
0.001
0.001
C387
0.022
R374 1K
R373 1K
C348
0.01
0.01
C301
0.01
0.01
D303
1SS133
1SS133
D304
1SS133
1SS133
C345 0.022
C346 0.022
C347 0.022
R345 4.7K
R344 470
C321 100/16
Q301
2SC380 O
2SC380 O
R349
33
R348
680
R347
6.8K
6.8K
R346
330
330
R399
33
33
R369
15
L342
2.2
2.2
µ
H
C341
0.022
0.022
D302
1SS133
1SS133
D301
1SS133
1SS133
T306
CNP301
L341
C335
560P
560P
C334
27P(UJ)
27P(UJ)
C330
15P
15P
C331
0.047
0.047
C332
0.022
0.022
C338
0.001
0.001
C323
0.022
0.022
L351
100
100
µ
H
R377
47K
C385
0.01
0.01
R379
2.2K
FE301
FM FRONT END
FM FRONT END
IC302
LC72131
PLL(TUNER)
X352
4.5MHz
IC3
LA18
FM IF DET./FM
+B
TP301
AM IF
+B
+B
+B
– 27 –
CD-BA3000H
Figure 27 SCHEMATIC DIAGRAM (10/10)
7
8
9
10
11
12
CE
DO
DI
CLK
A_+10V
TUN_L
TUN_R
TUN_SM
A_GND
D_GND
SD
T6
TP
T4
TP
VDDA
XIN
VDDD
CE
MO/ST
ST IND
MO/ST
SYR
CLK
DO
RDS-ID
DI
SYNC
T7
VSSD
XOUT
T5
T3
T2
T1
CIN
MPXIN
VSSA
FLOUT
VREF
IF IN
SD
STEREO
FM DET
VCC
IF OUT
PHASE
(FM/AM)
PHASE
L-CH
OUT
R-CH
OUT
MPX IN
MPX
VCO
OUT
TP
9
4
5
2
3
10
7 8
1
6
11
0
12
3
13
14
15
17
16
13
14
15
17
18
19
16
22
23
24
21
20
7
8
9
6
12
11
10
2 3
4
5
1
7
8
9
6
12
11
10
LOW PASS
FILTER
TO MAIN SECTION
P20 12-D
TP302
XT21
4.332MHz
RT51
10K
10K
QT22
KTA1266 GR
KTA1266 GR
RT32
10K
RT33
56K
QT21
KTC3199 GR
KTC3199 GR
RT34
56K
CT36
0.022
CT37
0.022
0.022
CT27
22P
(CH)
22P
(CH)
CT26
22P
(CH)
22P
(CH)
LT22
2.2
2.2
µ
H
CT28
47/10
47/10
CT29
0.022
0.022
RT21
100K
CT25
560P
560P
LT21
2.2
µ
H
CT21
47/10
CT22
0.022
RT26
1K
RT30 1K
RT29 1K
RT28 1K
CT24
0.022
ICT21
LC72722 RDS DECORDER
CT23
10/16
RT37
220K
RT36
220K
RT35
220K
RT48
390
390
RT49
390
390
CT43
10/16
ZDT21
MTZJ5.1B
C388
0.001
0.001
R384
5.6K
C391
47/16
47/16
R383
5.6K
5.6K
R392
270
270
R385
5.6K
5.6K
Q360
KTA1266 GR
KTA1266 GR
R391
270
270
C395
0.022
0.022
C396
100/10
100/10
ZD351
MTZJ5.1B
MTZJ5.1B
L352
100
100
µ
H
R359
1.8K
R370
1K
R386
22K
R360
4.7K
4.7K
C386
330P
330P
R395
47K
47K
R376
1K
1K
R387
5.6K
R388
3.9K
C398
100/10
C399
0.022
R393
1K
1K
C370
1/50
R355
3.3K
3.3K
C358
1/50
1/50
C357
2.2/50
2.2/50
C355
22P(CH)
C356
0.001
C354 0.022
CF351
R353
270
270
C353 0.022
R362
1.2K
1.2K
R361
1.2K
1.2K
R364
10K
10K
R363
10K
10K
X351
456kHz
C373
0.015
0.015
C374
0.015
C369
27P(UJ)
C368
1/50
R356
1K
R357
470K
R350
2.7K
2.7K
C367
1/50
1/50
C372
1/50
1/50
C371
1/50
1/50
L354
H
R377
47K
IC303
LA1832S
M IF DET./FM MPX./AM IF
+B
+B
+B
+B
+B
+B
+B
+B
+B
CD-BA3000H
– 28 –
Figure 28 WIRING SIDE OF P.W.BOARD (1/8)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
L352
L342
ZD351
C370
D566
C565
C358
C564
D563
D56
R574
C371
C373
IC562
C374
C372
R566
ZD561
D561
R561
C569
IC561
Q863
Q862
Q603
R610
R609
CNS901
C644
C623
C630
C642
C629
C625
C627
C621
C620
C619
IC601
C610
C609
C608
C607
C602
C617
C618
C614
C613
C606
R620
T306
C364
C365
C368
R357
R358
C362
C367
R370
IC303
X351
CF303
C357
CF351
C398
T351
CF352
R382
C393
Q360
C380
C384
R391
R392
L351
C391
IC302
R384
R386
R387
C396
X352
D304
D303
C394
FE301
CNP301
D301
D302
1 2 3
T303
C331
C603
R632
R631
R638
C622
C624
D602
D601
C626
C628
C643
C641
VD301
Q605
R
R864
R860
C862
R862
R860
C862
R862
C388
C356
C573
R583
R355
R584
C355
R588
R569
C576
R363
R
C566
R364
R568
R362
C563
R567
R567
R562
R580
R
R579
C5
R5
C570
R578
C
R868
C615
R613
R621
R616
R622
R615
R607
C636
R618
R617
C612
C611
R605
C335
C332
R323
R356
L354
C342
C363
R350
C334
C361
C369
C366
R365
C399
R351
C353
C354
R353
C315
C352
C321
C350
R383
R380
R395
R393
C385
R385
R377
C392
R379
C387
C386
R360
C381
C395
R359
C382
R376
R388
R378
RT32
RT21
RT33
RT48
RT49
LT22
ZDT21
RT34
RT51
RT30
CT25
CT36
RT29
LT21
XT21
CT27
CT21
CT23
CT24
CT43
CT37 CT26
CT22
R372
R373
R374
C301
R346
C397
R381
R345
C347
R336
C323
C330
C338
R634
C632
R606
C631
R633
R633
R361
R352
R619
R637
C635
R611
R612
R577
MAIN PWB-A1
1 2 3 4 5 6 7 8
3
2
1
2
1
B
C
E
C
E
E
C
B
C
B
E
C
B
C
B
2 3 4 5
1
7 8 9
6
2
3
4
5
1
7
8
6
2
3
4
5
1
7
8
6
12
11
10
2 3 4 5
1
7 8 9
6
11
10
12
13
14
15
17
18
19
16
22 21 20
13
14
15
17
18
19
16
22
23
24
21 20
E
C
B
C
B
E C B
E C B
E C
B C
B C E
B
1 3 5
2 4
2
3
4
3
4
5
1
7
8
8
6
QT22
QT21
RT26
RT28
R344
R348
CT28
CT29
RT36
RT37
RT35
ICT21
2 3 4 5
1
7 8 9
6
12
11
10
13
14
15
17
18
19
16
22
23
24
21 20
C348
R347
R349
R399
Q301
1 2 3
CF301
R369
C345
C341
C346
L341
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
11
12
22
21
21
24
23
23
20
19
18
17
16
15
14
13
19
18
17
16
15
14
13
JK601
VIDEO IN
R-CH
L-CH
1
CN
P32
TO POWE
P
AM LOOP
ANTENNA
SO301
FM ANTENNA
TERMINAL
1
2
2
1
2
2
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