Sharp CD-PC671H (serv.man4) Service Manual ▷ View online
CD-PC671H/651H
– 22 –
Figure 22 SCHEMATIC DIAGRAM (1/13)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
CNS303
R521 1K
R522 1K
C563 0.022
C532 220/16
R512 4.7K
R509 4.7K
R507 1K
R506 4.7K
R505 4.7K
C
1
D516
1N4004S
D515
1N4004S
C531 2.2/50
R508 39K
C527 10/50
C524 10/50
C523 10/50
C521 0.33/50
C547 0.022
C541 220/16
IC501
LV1035M
DOLBY PRO LOGIC
DECORDER
C544
220/16
C519 0.47/50
R503
1K
R518 1K
C508 680P
C507 0.047
C506 0.022
C505 0.47/50
C504 47/25
C503 1/50
C502 1/50
C509
0.1(ML)
X501
C514 0.082(ML)
C515 0.0033(ML)
C515 0.0033(ML)
C517 0.082(ML)
R501
100K
100K
C420
0.0047(ML
C
10
C422
1/50
C412 0.2
C410 0.0
C414 0.0
C416 0.0
C418 0.0
R372
1.5K
C
0.2
C
0.08
C408 0.
NC
D_GND
D_GND
H/PSW
Q11
SPEANA1
SPEANA2
SPEANA3
TUN SM
M_+12V
SR_MUTE
S_MUTE
ENA
SPN_P
CLK
A_GND
SUB_VOL_OUT
SUB_VOL_IN
4V
0V
0V
R_RECT
L_RECT
VLR_TH
VLR_1
VLR_2
VCS_2
VCS_1
VCS_TH
L+R_RECT
L-R_RECT
DC_OUT1
DC_OUT2
DC_OUT4
DC_OUT3
OSC
OSC
VDD
VDD
A/D
NS
D/A
DC_OUT
DC_OUT
L_OUT
R_OUT
S_OUT
S_OUT
D_GND
IREF
DET
VCC
S_IN
R_IN
L_IN
AC_GND
L_OUT
R_OUT
S_OUT
C_OUT
VCC
VREF
L_DC_OUT
R_DC_OUT
C_DC_OUT
S_DC_OUT
R_BPF1
R_BPF2
TAPE BIAS
REC/PLAY
T1/T2
CE
DI
DO
C MUTE
POWER
C322
0.027
0.027
C545
220P
220P
R371
1 2 3 4 5 6
1 2 3 4 5 6
CNS11
TUN_SM
A_GND
TUN_R
A_12V
TUN_L
DI
CE
DO
D_GND
M_GND
A_12V
REC_MUTE
BIAS
T1/T2
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
64
C436 22/25
R443 22K
C437 22/25
R442 22K
C438 22/25
R514
330
R513
3.3K
R515
3.3K
3.3K
C535 10/50
C536 10/50
C537 10/50
C538 10/50
C539
220/16
C540
10/50
C543
0.1(ML)
C534 0.1(ML)
R516 1K
C549 100P
R523 1K
R517 1K
R517 1K
C551 100P
C501
0.1
(ML)
R502 100K
R520 22K
R519 1K
C
1
C550 100P
R504
1M
C542
220/16
220/16
R510
18K
18K
CNP502
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
Q405
KRC104 M
KRC104 M
D402
DS1SS133
R511
1K
A_GND
REC_L
TAPE_R
D_GND
TAPE_L
REC_R
C510 0.47/50
C512 4.7/50
C511 0.47/50
C511 0.47/50
C513 4.7/50
C516 0.15/50
C516 0.15/50
C518 3.3/50
C520 0.15/50
C522 0.15/50
C522 0.15/50
C525 3.3/50
C526 0.15/50
C528 4.7/50
C529 0.47/50
C530 4.7/50
C533 0.47/50
L_BPF3
R_BPF3
L_BPF2
L_BPF1
RT_IN
LT_IN
C_MODE
DC_OUT
GND
NS_BPF1
NS_BPF2
OSC
CLK
ENABLE
CLK
VSS
DATA
DATA
1
2
3
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20 21
+B
+B
A_GND
LCH
RCH
D_GND
7.3V
M_12V
BI401
+B
C546
0.022
0.022
+B
+B
+B
+B
+B
FFC701
+B
MAIN PWB-A1(1/2)
TO DECK SECTION
P25 12-B
TO CD SERVO PWB
P29 12-C
CNP11
FROM TUNER PWB
P34 6-B
CNP303
CNP701
TO DISPLAY PWB
P26 1-E
CL
C323
0.027
0.027
– 23 –
CD-PC671H/651H
Figure 23 SCHEMATIC DIAGRAM (2/13)
7
8
9
10
11
12
C620
0.0033
C608
0.0033
L101
100
µ
M
PC671H ONLY
C627
22/25
R449
470
R450
470
R625
22
R613
100K
100K
R445 330
C442 0.001
R614 100K
C607
47/25
47/25
R615
12K
C441
0.001
R447
330
R433
10K
10K
R444
10K
R426 1K
R427 1K
R424
220K
220K
C430
2.2/50
C432
47/25
C431 47/25
C429
2.2/50
2.2/50
C440
0.001
C439
0.001
C444
1/50
C449 0.047(ML)
C451 0.047(ML)
C453 0.047(ML)
C455 0.047(ML)
C457 0.047(ML)
C458 0.047(ML)
C456 0.047(ML)
C454 0.047(ML)
C452 0.047(ML)
C450 0.047(ML)
R416 1K
R414 1K
R417 1K
R418 1K
C427 0.047(ML)
C420
0.0047(ML)
C424
10/50
C422
1/50
C423 10/50
R415 1K
R413 1K
R412 1K
R411 1K
R428 1K
C435 47/25
C426 10/50
C412 0.22/50
C410 0.068(ML)
C414 0.027(ML)
C416 0.015(ML)
C418 0.0022(ML)
C421
1/50
C428
0.047(ML)
R423
220K
IC401
LC75396N
AUDIO PROCESSOR
1
2
3
4
5
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
R410 1K
R409 1K
C433 2.2/50
C425 10/50
C406
0.22/50
C404
0.082(ML)
C408 0.018(ML)
R434 2.2K
R435
22K
IC601 NJM4560D OPE AMP.
C603
47/25
R612
560
R611
560
C605
100P
C615
0.001
C616
0.001
R608
2.2K
R607
2.2K
R617
1K
C617
0.001
Q601
KTC3199 GR
C604
47/25
C618
0.001
Q602
KTC3199 GR
R610
100K
R609
100K
0V
0.7V
0V
0V
0V
0V
0V
0V
4V
0V
V
RINVIN1
R5
R4
R3
R2
R1
VDD
L1
L2
L3
L4
L5
LINVIN1
LSELO
LF4C3
LF4C2
LF4C1
LF3C3
LF3C2
LF3C1
LF2C3
LF2C2
LF2C1
LF1C3
LF1C2
LF1C1
LTIN
LF5
LTOUT
LFIN
LFCOM
LFOUT
CIN
LRCOM
COUT
VSS
CL
DI
CE
LVREF
VREF
RVREF
RROUT
RRCOM
RRIN
RFOUT
RFCOM
RFIN
RTOUT
RF5
RF4C3
RF4C2
RF4C1
RF3C3
RF3C2
RF3C1
RF2C3
RF2C2
RF2C1
RF1C3
RF1C2
RF1C1
RTIN
R471
220K
220K
R472
220K
220K
C481
0.022
0.022
C482
2.2/50
R482
100K
100K
R480
1.5K
1.5K
C479
10/50
10/50
C478
0.082
(ML)
IC471
KIA4558P
OPE AMP.
7
6
5
3
2
1
R481
1K
C480
47/25
C474
0.15
(ML)
R476
27K
R479
12K
12K
R477
27K
R475
3.9K
C477
100P
100P
C476
0.15
(ML)
C471
0.047
(ML)
C473
47/25
R478 6.8K
R474
15K
C484
0.001
0.001
R627
100
R403
1.8K
R404
1.8K
C461
390P
390P
C462
390P
390P
R448 330
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
CNS11
8
4
4
R401
27K
R405
27K
R406
27K
R664
220K
220K
IC650
KIA4558P
D654
DS1SS133
IC651
KIA4558P
C666
2.2/50
R668
2.2M
R662
220K
220K
R657
15K
C651
270P
270P
C653
0.0027
0.0027
R654
68K
R652
33K
R653
12K
R651
10K
10K
C657
270P
270P
C659
0.0027
R658
390K
390K
R655
56K
C661 0.022
R661 270K
R661 270K
C656
0.0068
C662
0.022
0.022
D652
DS1SS133
R663 330
C663 0.022
4
2
3
1
8
7
5
6
4
2
3
1
8
7
5
6
R443 22K
C437 22/25
R442 22K
C438 22/25
C447
2.2/50
2.2/50
R421
2.7K
2.7K
C445
100P
R419
33K
33K
C448
2.2/50
R422
2.7K
C446
100P
100P
R420
33K
C403 0.082(ML)
C401
0.047(ML)
C405 0.22/50
C407 0.18(ML)
C409 0.068(ML)
C411 0.22/50
C413 0.027(ML)
C415 0.015(ML)
C417 0.0022(ML)
C417 0.0022(ML)
C419 0.0047(ML)
C460 0.022
D401
DS1SS133
C459 100/16
R484
100K
C475
47/25
R473
100K
C472
100P
100P
R483
100K
100K
SPEANA3
SPEANA2
SPEANA1
R674
100K
100K
C664
2.2/50
C667
0.022
ZD651
DZ6R2BSC
R656
470K
470K
C655
0.0068
R659 560K
C443
1/50
C402
0.047(ML)
R402
27K
R408
1.8K
R407
1.8K
C464
390P
390P
C463
390P
390P
2
1
3
4
6
5
VIDEO_2
IN
VIDEO_1
IN
L-CH
R-CH
L-CH
R-CH
JK401
R441 22K
R624
22K
R606
22K
R602
2.2K
C602
0.047
(ML)
5
6
R618 12K
C606
100P
100P
R616
1K
C614
0.022
C622
0.001
R622
0.001
C613
220/16
C612
10/50
R626
22
7
C611
10/50
R621
2.7K
1
3
2
8
R601
2.2K
C601
0.047
(ML)
R605
22K
R623
22K
Q603
KTC3199 GR
R603
2.2K
Q604
KTC3199 GR
KTC3199 GR
R604
2.2K
R429 47K
R430 47K
R431 47K
R432 47K
R666 2.2M
Q401
KTC3199 GR
Q402
KTC3199 GR
R440
2.2K
Q403
KTC3199 GR
KTC3199 GR
R437
2.2K
Q404
KTC3199 GR
Q405
KRC104 M
KRC104 M
D402
DS1SS133
D403
DS1SS133
R438 2.2K
R439 2.2K
0.7V
C434
2.2/50
R436
22K
R446
330
R660
390K
D651 DS1SS133
D653
DS1SS133
DS1SS133
R665
100K
100K
C665
2.2/50
R672
100K
100K
R425
220K
220K
R670 330
1
2
BI401
B
+B
+B
+B
+B
+B
R619 27
R620 27
C621
0.001
0.001
JK601
HEADPHONES
5
4
3
2
1
4
3
2
1
CNP601
GND
H/P SW
GND
L R
FW601
–B
+B
+B
+B
–B
M_GND
+12V (M)
+12V (A)
D_GND
(CD)
CD_GND
A_GND
POWER
SUB_WOOF
CENTER_OUT
REAR_OUT
FRONT_Rch
FRONT_Lch
A_GND
–15V
7.3V
CNP501
CNP803
TO POWER PWB
P30 1-E, 32 1-E
+B
+B
B
1
5
OPE AMP.
OPE AMP.
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
WB
HEADPHONES PWB-A4
CD SIGNAL
C623
0.001
0.001
C465
0.001
CD-PC671H/651H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 24 SCHEMATIC DIAGRAM (3/13)
L102
2.2
µ
H
L101
2.2
µ
H
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0.7V
0V
0.7V
0V
0V
3.4V
3.4V
0V
9.3V
8.6V
9.3V
0V
0V
0V
1
2 3
1
2 3
R112
10K
C107 0.001
R174
150(1/2W)
C109
0.047
R113
10K
C153
100/16
100/16
C108
0.001
C121
1/50
1/50
R123
3.9K
R121
100K
100K
C119
560P
560P
C117
0.033
0.033
R125
5.6K
R119
56
R131
C116
47/25
R122
100K
R124
3.9K
C118
0.033
C120
560P
560P
R126
5.6K
R120
56
R132
R111
10K
R101
1K
R102
1K
C105
180P
180P
C106
180P
180P
R117
1K
R118
1K
R109
4.7K
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK AMP.
R115
4.7K
R110
4.7K
R108
47K
Q108
KTC3199 GR
C111
330P
330P
Q111
KRC104 M
Q110
KRC104 M
R114
10K
Q109
KTA1266 GR
KTA1266 GR
C113
330P
330P
R104
2.2K
Q106
2SC2389 SE
Q104
2SC2389 SE
R106
3.3K
R107
47K
Q107
KTC3199 GR
Q105
2SC2389 SE
R105
3.3K
Q103
2SC2389 SE
2SC2389 SE
R103
2.2K
C102
0.001
C101
0.001
C112
330P
330P
C114
330P
330P
C122
1/50
1/50
20
21
22
23
24
5
4
3
2
1
112K
112K
NC
NC
HICH=T1
+B
7
6
5
2
1
1
3
2
CNP101
TAPE1_R
A_GND
TAPE1_L
TAPE1_L
2
1
CNS101
3
L-CH
R-CH
PLAYBACK HEAD
TAPE1
M_GND
ERASE
TAPE2_R2
A_GND
TAPE2_R1
TAPE2_L1
TAPE2_L2
3
4
4
RECORD/
PLAYBACK HEAD
TAPE2
R-CH
L-CH
ERASE
HEAD
HEAD
7
6
5
4
3
2
1
CNS102
CNP102
C115
47/25
47/25
MAIN PWB-A1(2/3)
PLAYBACK SIGNAL
RECORD SIGNAL
RECORD SIGNAL
–
+
–
+
– 25 –
CD-PC671H/651H
Figure 25 SCHEMATIC DIAGRAM (4/13)
7
8
9
10
11
12
REC_MUTE
A_12V
BIAS
REC_R
REC_L
D_GND
TAPE_L
M_GND
A_GND
TAPE_R
T1/T2
0V
0V
0V
0V
0V
11.6V
11.6V
11.7V
0V
0V
0V
0.7V
0.7V
0V
0V
R154
10K
R174
0(1/2W)
0(1/2W)
Q124
KTA1266 GR
R162
47K
47K
R158
220(1/4W)
C121
1/50
1/50
C123
0.001
0.001
R123
3.9K
R121
100K
100K
C119
560P
560P
C117
0.033
0.033
R125
5.6K
9
R131 18K
2
K
R124
3.9K
8
3
C120
560P
560P
R126
5.6K
0
R132
18K
R141
56
R164
4.7K
Q126
KRC104 M
R153
10K
R142
56
R182
220K
220K
R181
220K
220K
C134
22/25
22/25
C127 0.022
C128 3.3/50
R145
10K
10K
Q122
KTC3199 GR
KTC3199 GR
D102
DS1SS133
D101
DS1SS133
C151 0.027 (ML)
L104
330
µ
H
C152
47/25
47/25
C150
0.0039(ML)
C137
0.001
R168
12
12
Q128
KTC3203 Y
R167
100K
100K
R166
47K
R160
150(1/2W)
Q121
KTC3199 GR
R138
6.8K
C132 0.001
R140
560
R134
68K
C142 1/50
R136
2.7K
C140
0.0033
C145 22/25
R137
6.8K
C139
0.0033
C135
0.068
R146
10K
C131 0.001
C141
1/50
1/50
C113
330P
330P
R139
560
R135
2.7K
C133
22/25
22/25
C114
330P
330P
C122
1/50
1/50
C136
0.068
C124
0.001
9
10
11
12
13
14
15
16
17
18
19
20
21
22
8
7
6
5
4
3
C147
0.022
C146 220/16
1
2
3
NC
112K
56K
112K
56K
–
–
+
+
Nor/CrO2
RIPPLE
ALC
GND
ALC
Vcc
NC
NC
HICH=T1
HICH=CHROME
+B
20
11
13
18
19
21
12
16
14
17
15
+B
+B
+B
C115
47/25
47/25
FROM MAIN SECTION
P22 3-A
–
+
–
+
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