DOWNLOAD Sharp CD-C440H (serv.man2) Service Manual ↓ Size: 2.77 MB | Pages: 72 in PDF or view online for FREE

Model
CD-C440H (serv.man2)
Pages
72
Size
2.77 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-c440h-sm2.pdf
Date
PREV: Sharp CD-C440H User Manual / Operation Manual

Sharp CD-C440H (serv.man2) Service Manual ▷ View online

– 29 –
CD-C440H/CP-C440H
7
8
9
10
11
12
Figure 29 SCHEMATIC DIAGRAM (10/14)
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
3
1
SPEAKER
TERMINAL
+
–
–
+
R-CH
L-CH
RELAY
(ML)
(ML)
0V
5.1V
5.1V
0V
0V
0V
0V
0V
0.8V
3
(ML)
(ML)
(1/2)
(1/2)
HEADPHONES PWB-A3
HEADPHONES
(1/2)
(1/2)
HP-R-CH
HP-L-CH
5
1
VOLTAGE
REGULATOR
POWER
TRANSFORMER
50Hz
AC 230V
AC POWER
SUPPLY CORD
(216)
CORE
(280)
T.F
(ML)
(ML)
(ML)
(ML)
GND(A)
RELAY
RELAY
–41.4V
32.9V
–32.4V
C933
0.001
FW902B
FW902A
0
R985
820
R997
3.3K
C938
100P
C937 100P
FW903
WT903
BI801
CNS801
K801
K802
T801
F804
T1.6A L 250V
F803
T5A L 250V
F802
T5A L 250V
D806
RL104A
C810 100/50
R927
4.7
C923
0.1
C921
0.1
R928
4.7
C924
0.1
C922
0.1
C802
0.22
R934
180
R933
180
R935
180
R936
180
L903
2.2
µ
H
R925
56K
C989 47/25
C990 0.022
ZD901 MTZJ15A
C920
0.022
R996
47K
Q999
K TC3199GR
C801
0.22
D807
RL104A
C809
100/50
C811 100/50
R807
2.2K
C808 47/63
D808
RL104A
R801
12K
C805
100/35
R806 100
D809
RL104A
Q801
KTA1266GR
ZD802
MTZJ5.6B
R802
220
R803
220
C804 0.047
C803 0.047
D802
RL104A
D804
RL104A
D805
RL104A
D803
RL104A
D801
S4VB20
C806
47/50
C807 47/50
ZD801
MTZJ33C
JA901
Q997
KTC3199GR
Q998
KTC3199GR
C997 47/50
R998
56K
R926
56K
R999
10
C999
0.001
C998 0.001
R930
3.9
R932
5.6
C928
0.022
C932
0.022
C926
0.022
C930
0.022
L902
0.29
µ
H
C925
0.022
C929
0.022
R931
5.6
C931
0.022
C927
0.022
R929
3.9
L901
0.29
µ
H
RL901
D999
1SS133
SO901
C934
0.001
When Servicing, pay attention as the area
enclosed by this line (                      ) is directly
connected with AC main voltage.
P25 12–H
O MAIN PWB
CNP801
CD-C440H/CP-C440H
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 30 SCHEMATIC DIAGRAM (11/14)
(UJ)
(UJ)
2
1
8
7
6
5
4
3
2
1
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
8
7
6
5
4
3
2
1
+B
+B
+B
+B
+B
0V
2
(12.1V)
(1.2V)
12.1V
3
12.1V
(0V)
(0V)
9.4V
0.8V
0V
(0.7V)
0V
0V
0V
(0.7V)
0V
0V
0V
(0.7V)
0V
0V
0V
(0V
3.9V
X IN
X OUT
FM IF AMP.
VSS
AOUT
AIN
PD
VDD
FM IN
MW
AM IN
FM
MO/ST
ST IND
IF IN
CE
DI
CL
DO
FM
MW+B
(CH)
1
(CH)
VCO
3
2
1
FM IF DET/
FM MPX/AM IF
FM DET
FM IF IN
AM MIX OUT
AM OSC
IN
AM OSC
OUT
REG
FM
AFC
AM RF
IN
VSM
CUT
AM LOW
STEREO
SD
GND
AM IF
IN
OUT
FM/AM
LOW 
FILT
LW ANT.
MW ANT.
(CH)
MW
OSC.
(CH)
(CH)
3
2
1
(CH)
(UJ)
(CH)
LW OSC.
MW/LW
LOOP
ANTENNA
BALUN
FM
75ohms
3
2
1
FM FRONTEND
IF OUT
GND
F OUT
VT
VCC
GND
GND
ANT
R369
82
Q371
KTA1266 GR
C327 680P
R382
150
C380
10/16
R378
82K
R373
1K
R372
1K
R374
1K
R371
1K
C350
0.022
C344 33P
C352 10/16
C351 0.022
R351
5.6K
C353
0.022
C354
0.022
R393
1K
C364     10/16
C366     0.001
C365     0.022
C363     0.022
C343
33P
VR351
10K(B)
C333
22P
C325
220P
R335
100K
D302
1SS133
CNP301
R349
33
R344
470
R345
4.7K
R301
330
C346 0.022
C345 0.022
C321
100/16
L354
R379
2.2K
C382
15P
C381
12P
X352
C385
0.01
R377
47K
L351
100
µ
H
R358
8.2K
C342
0.022
IC30
LA183
CF351
C361     0.022
D304
1SS133
C301
0.001
D303
1SS133
L341
C362 3.3/50
Q362
KRA107 M
C393
1/50
R380
1.5K
R381
10K
C394
47/16
SO301
C387
0.022
C392
0.001
L353
1mH
C397
0.022
R346
330
R347
6.8K
C341
0.022
R348 680
FE301
CF301
Q301
2SC380 O
C347
0.022
C328 0.022
R334
5.6K
C334
18P
R336 4.7K
R337
470
R324
100K
T305
C324
27P
R333
5.6K
T306
C336
470P
C335
18P
VD301-2
KV1236Z23F
R323
68K
Q303
KTC3199 GR
C326
18P
Q304
KTC3199 GR
C384 0.001
CF302
T301
C322 6.8P
C323 0.022
R331
5.6K
C330 10P
T302
C332
0.022
R319
100K
C331 0.047
VD301-1
KV1236Z23F
Q302
KTC3199 GR
D301
1SS133
R352
1K
CF352
T351 AM IF
C337
0.022
C339
22P
IC302
LC72131
C338
0.001
C329
33P
C302
0.001
C367
1/50
R350
2.7K
R332
100K
R397
1K
L342
2.2
µ
H
– 31 –
CD-C440H/CP-C440H
7
8
9
10
11
12
Figure 31 SCHEMATIC DIAGRAM (12/14)
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
7
6
5
4
3
2
1
8
11
17
16
15
14
13
12
11
10
9
8
7
6
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
PLL
(TUNER)
AM:( )
FM(ST):OTHER
2.6V
(0V)
(0V)
2V
(0V)
MUTING
MUTING
AMP.
5.2V
(3.6V)
0V
(0V)
3.9V
0V
(12.1V)
11.3V
(0V)
11.3V
12.1V
(0V)
(0V)
0.7V
0.7V
0V
0V
0V
0V
RDS
VREF
SYR
CE
DI
CL
DO
RDS-ID
SYNC
VDDD
VSSD
XIN
XOUT
FLOUT
VSSA
MPXIN
CIN
T1
T2
VDDA
S
T IND
AM SIGNAL
FM SIGNAL
TO MAIN PWB
P25 8–A
CNP502
SD
SM
R
L
TUN MUTE
A GND
A+12V
DI
CE
DO
CLK
D GND
3
2
1
FM DET
STEREO
VCC
IF OUT
PHASE
PHASE
(FM/AM)
MO/ST
R-CH  OUT
MPX
IN
MPX VCO
L-CH OUT
(CH)
TP
TP
TP
(CH)
LOW PASS
FILTER
TP
D351
1SS133
R385
5.6K
C391
47/16
R384
5.6K
D352
1SS133
R376
1K
R378
82K
C386
330P
CNP303
73
R354     3.9K
C399 0.022
C354
0.022
R393
1K
C358
1/50
ZD351
MTZJ5.1B
RT49
390
RT48
390
CT43
10/16
RT21 100K
RT26
1K
RT28
1K
RT30
1K
LT22 2.2
µ
H
RT37
220K
RT36
220K
R356
1K
27P
C369
C373
0.033
C374
0.033
R357
470K
R364
2.2K
L354
R363
2.2K
R366
10K
R368
33K
R365
10K
C375
3.3/50
R367
1K
Q353
KTC3199 GR
Q354
KTC3199 GR
X351
C368
1/50
R353
270
IC303
LA1832
L352
100
µ
H
CT23
10/16
ICT21
LC72720
C355
22P
C370
1/50
ZDT21 MTZJ5.1B
C357
2.2/50
R355
3.3K
C356
0.001
CF351
C398
100/10
RT32 10K
RT33 56K
QT21
KTC3199 GR
CT37 0.022
RT34
56K
R362
470
C372
1/50
R361 470
C371
1/50
D353
1SS133
R395
47K
R359 1.8K
R360
4.7K
C396
100/10
C395
0.022
Q360
KTA1266 GR
R383
5.6K
R392
390
R391
390
IC302
LC72131
CT24
0.022
CT25
560P
XT21 4.332MHz
CT26
22P
CT29
0.022
CT28
47/10
RT29
1K
LT21
2.2
µ
H
CT21
47/10
CT22
0.022
CT36 0.022
R387
22K
Q361
KRC107 M
ZD352
MTZJ3.9B
CT27
22P
C367
1/50
R350
2.7K
RT35
220K
R370
1K
CD-C440H/CP-C440H
– 32 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 32 SCHEMATIC DIAGRAM (13/14)
1
L_OUT
SRS_PASS
SRS/3D
A_GND
L_IN
R_IN
R_OUT
LEVEL CONT
LEVEL CONT
32
1
(ML)
+B
+B
+B
+B
+B
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
7
2
8
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(M  L)
FUNCTION
SERECTOR
SRS
0V
0V
0V
12V
12V
12V
0V
0V
0V
0V
0V
0V
12V
11.4V
12.2V
2.7V
2.7V
0V
5.6V
2.7V
5.7V
5.7V
5.6V
4.1V
0V
0V
TO MAIN PWB
P24 5-H
CNP501
SRS PWB-A2
VDD
2
1
X0
3A
B
02
Y
3
1
INH
VEE
VSS
R_IN
L_IN
C_IN
C_OUT
MODE
S_OUT
CR1
R_OUT
L_OUT
VCC
PN_IN
PN_OUT
C1
C2
C3
C4
C5
C6
CL4
CL3
CL2
CL1
Vref
S_IN
CR4
CR3
CR2
GND
(ML)
(ML)
(ML)
(ML)
(ML)
(ML)
32
1
3
2
1
32
1
SRS_B
SRS_INH
32
1
A_12V
SRS_A
3
2
Q459
KRC107 M
Q460
KRC107 M
Q461
KTC3203 Y
Q466
KRC107 M
R449 1.5K
R452 4.7K
Q467 KRA107 M
R494
100K
R497
100K
R481
3.9K
R482 33K
C460
0.47/50
C470   330P
C463   0.068
C466  0.0068
C464   0.022
C462   0.22
C468   0.0018
C473
0.47/50
C474 0.47/50
R492 4.7K
C458
0.047
C457
100/16
C456
100/16
D451
1SS133
R478
1K
R468 1K
R500 6.8K
R498
4.7K
R495
1K
R493
1K
CNS501
R483
100K
C471
100/16
C469
0.2 2
C475
0.22
IC451
SRS5250S
R487
100K
R488
4.7K
C461
0.0047
R479
22K
R484 1.5K
R480 47K
Q468
KTC3199 GR
IC453
BU4052BC
Q469
KTC3199 GR
R453 2.2K
R454 2.2K
R457 12K
R458 12K
R465
1K
R466
1K
R475 2.2K
R474
10K
R470
10K
R473
10K
R451 10K
Q463 KRC107 M
C476
0.022
C465
0.47/50
C467
0.47/50
R469
1K
C453 2.2/50
C454 2.2/50
C472
0.33/50
R491
1.5K
R499
1.5K
R490 4.7K
Q458
KRC107 M
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