DOWNLOAD Sharp CD-PC671H (serv.man4) Service Manual ↓ Size: 1.2 MB | Pages: 17 in PDF or view online for FREE

Model
CD-PC671H (serv.man4)
Pages
17
Size
1.2 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagrams
File
cd-pc671h-sm4.pdf
Date

Sharp CD-PC671H (serv.man4) Service Manual ▷ View online

CD-PC671H/PC651H
– 18 –
SW1
OPEN/CLOSE
ON—OFF
SW2
MECHA UP
ON—OFF
SW3
DISC NUMBER
ON—OFF
SW4
PICKUP IN
ON—OFF
SW701
ON/STAND-BY
ON—OFF
SW702
STATION
ON—OFF
SW703
CLOCK
ON—OFF
SW704
TIMER/SLEEP
ON—OFF
SW705
DISC 1
ON—OFF
SW706
DISC 2
ON—OFF
SW707
DISC 3
ON—OFF
SW708
DISC SKIP
ON—OFF
SW709
OPEN/CLOSE
ON—OFF
SW710
REW
ON—OFF
SW711
REC PAUSE
ON—OFF
SW712
MEMORY/SET
ON—OFF
SW713
STOP
ON—OFF
SW714
TUNER/BAND
ON—OFF
SW715
VIDEO
ON—OFF
SW716
TAPE
ON—OFF
SW717
CD
ON—OFF
 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
SW718
PTY/TI SEARCH
ON—OFF
SW719
EON
ON—OFF
SW720
ASPM
ON—OFF
SW721
DISPLAY/MODE
ON—OFF
SW722
FF
ON—OFF
SW723
TUNING UP
ON—OFF
SW724
TUNING DOWN
ON—OFF
SW725
PLAY
ON—OFF
SW726
VOLUME DOWN (PC651H ONLY)
ON—OFF
SW727
VOLUME UP (PC651H ONLY)
ON—OFF
SW728
X-BASS/DEMO
ON—OFF
SW729
EQUALIZER
ON—OFF
SW730
DIMMER
ON—OFF
SW731
PHANTON
ON—OFF
SW732
NORMAL
ON—OFF
SW733
BYPASS
ON—OFF
SWM 3
FOOL PROOF
ON—OFF
SWM 4
F.A.S.
ON—OFF
SWM 5
CAM
ON—OFF
VR702
VOLUME GOG
ON—OFF
REF. NO
DESCRIPTION
Figure 18 TYPES OF TRANSISTOR AND LED
SVC348S
KTA1273 Y
KTC3203 Y
KTC3199 GR
2SC2389 SE
2SC380 O
KTA1274 Y
KRA102 M
KRC102 M
KRC104 M
KRC107 M
KTA1266 GR
KTA1271 Y
FRONT
VIEW
E  C  B
(S)(G)(D)
(1) (2) (3)
2SA1318
FRONT
VIEW
B  C  E
(D)(G)(S)
(3) (2) (1)
1      2     3
L1154GT4
SLI342YCB
SLI342DCB
SLI342UCB
SLI342YCJ
SLI3256YC
SLI342UCJ1
VIEW
FRONT
– 19 –
CD-PC671H/651H
 Figure 19 BLOCK DIAGRAM (1/3)
27
1 2 3 4
1
8
6 7
18
24
40
20
4 5
15
23
16 26 27
7
2
25
20
29
21
22
35
14
38
39
28
41
42
37 36
PU-IN SW
XL1
XIN
LD0
FIN2
JP–
CV+
SLC
SL1
FIN1
E
F
TO
FD
SPO
NC
SLD
SL–
SL+
DRF
CL
DAT
CE
VCC1
6
+5V
PICKUP IN
SW4
FOCUS COIL
TRACKING COIL
M1
SPINDLE
MOTOR
M
M
M2
SLED
MOTOR
PICKUP UNIT
9
IC2
LC78622NE
SERVO/SIGNAL
CONTROL
+B1
IC3
M63001FP
FOCUS/
TRACKING/
SPIN/SLED
DRIVER
IC1
LA9241M
SERVO AMP.
RES. CQCK. COIN
SQOUT. RWC. WRQ
~
~
~
CL, DAT, SELIAL CONTROL/CE
Q51
SL+. SL–. DRF
9 8 7 6 5 4 3 2 1
GND (D)
MECHA UP
GND (D)
DISK NO.
OPEN/CLOSE
GND (D)
M–
M+
GND (M)
9 8 7 6 5 4 3 2 1
CNP10
M
+5V
+B1
62
64
45
36
23
43
37
31
38 39 40
24
25
10
1 2
2 1
3
3 2 1
4 5 6
10
26
58
53
10 12
20
32
40 43 44
53
52
51
54
31
30
29
23
27
16
15
41
44
Q1
Q52
+4.3V
Q81
+7.3V (B1)
REGULATOR
TO MAIN SECTION
(TO IC601)
XOUT
EFMO
EFMIN
CLV+
JP–
CONT2
CONT1
LCHO
LVSS
RVSS
RCHO
VVDD
VDD
LVDD
RVDD
XVDD
SW1
OPEN/CLOSE
SW2
MECHA UP
SW3
DISC No.
M3
LOADING
SOLM1
TO MAIN
SECTION
CNS10
+B5
~~
CNP11
BI1B
2 1
BI1A
CNP99
+5V
2 4 8
33
38
39
46
~
64
62
51
11
22
CD-PC671H/651H
– 20 –
 Figure 20 BLOCK DIAGRAM (2/3)
IC951
LA4551
POWER
X501
VOLUME
JOB
VR702
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72720
RDS DECORDER
X351
456kHz
FM IF
CF351
+B4
+B4
+B4
+B4
SM
VOLTAGE
REGURATER
+5V
QT21
AMP.
FM +B
VT
T306
T302
L341
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
MPX
VCO
CUT
R
L
Q354
Q353
PHASE
Q361
MPX
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832
FM/AM IF MPX.
IF
OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE LEVEL
AM OSC
REG
IN
OUT
VCC
FM IF IN
1
2
3
4
5
8
9
17
19
20
18
16
15
14
12
11
10
6
7
13
21
22
23
24
FM IF
AMP
Q301
FM IF
FM
X352
4.5MHz
OSC
STEREO
IC302
LC72131
PLL (TUNER)
IN
AM
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
BALUN
AM OSC
VOLTAGE
REGULATOR
AM ANT
AM RF
AM LOOP ANT
TUNER MUTE
MUTING
SO301
ANTENNA
TERMINAL
2
8
6
7
3
4
1
5
4
3
6
5
21
17
12
13
10
11
16
15
22
20
7
1
4
2
3
23
22
21
20
15
14
13
12
Q371
PC671H
ONLY
24
23

21
20
17
16
10
14
12
13
18
H/N 
T1/T2 
R-CH
L-CH
L-CH
R-CH
P.B 
REC 
TAPE  2
TAPE  1
L  NF
L(T1) 
R(T1) 
L(T2) 
R(T2) 
R  NF
POP  REDUCE
L  REC 
R  REC 

REC 
P.B.
REC 
ALC 
NOR/
HIGH
T1/T2 
REF 
L  NF
R  NF
PB  HEAD 
REC  PB  HEAD 
SWITCHING 
Q103~Q106 
AC  BIAS 
IC101
AN7345K
PLAYBACK  AND  RECORD
/PLAYBACK  AMP.   
PB
ERASE
HEAD 
SWITCHING
BAIS
Q126
Q124
Q128
L104
Q111
Q110
Q109
Q107
Q108
SWITCHING
SWITCHING
SWITCHING
+B4
1
2
3
CNS11
FROM  CD  SECTION
CNP11   
SWM3
FOOL  PROOF
SWM4
F.A.S 
SOLM1
SOLENOID 
SWM5
CAM 
52 
60
51 
61
53 
59
54
58
55 
57
49
63
48
33
48
33
45
44
34
38
35
37
36
33
32
13 9
IC401
LC75396N
AUDIO  PROCESSOR
R
R
R
R
R
R
R
R
TUNER 
VIDEO1
R
VIDEO2 
TAPE
CD
BAIS
T1/T2 
REC 
MUTING
Q121
Q122
+B4 
17
31
30
18
22
20
28
ZD80
BIAS
OCS
15
19
23 24 25
56
JK401
VIDEO IN
M
MM1
TAPE MOTO
IC501
LV1035M
DOLBY PRO LOGIC
DECORD
CL
DI
CE
– 21 –
CD-PC671H/651H
 Figure 21 BLOCK DIAGRAM (3/3)
Q704
IC951
LA4551
POWER AMP.
IC803
IC806
IC805
IC804
IC650
IC651
Q601,Q602
Q603, Q604
KIA4558P
OPE AMP.
IC601
NJM4560D
OPE AMP.
D802
F804
T3.15A L250V
F832
T500mA L250V
E
F902 T3.15A L250V
F901 T3.15A L250V
IC471
Sub Woofer
Volume
VR701
F903
T3.15A L250V
Sub Woofer
Front
Speaker
Center
Speaker
Rear
Speaker
SO901
Speaker Terminal
PC671H
ONLY
PC671H ONLY
1 2 3  4  15
25
16
26
28
37 38 39
FL701
DISPLAY
9 8 7 6 5 4 3 2 1 
IC701
IX0281AW
SYSTEM CONTROL
 MICROCOMPUTER 
13 9
1
7
1
3
2
1
3
2
1
3
2
1
3
2
VDD 
UNSWITCH
+B7
MEMORY
BACK  UP
VDD 
XL701
4.19MHz  
+B5 
+B7
   KEY  
SW703~SW717
SW722~SW725
SW728~SW733 
Q908
Q904
Q903
Q405
+B5 
M
Q905
+B1 
TO  CD  
SECTION 
M901
FAN  MOTOR 
JK970
HEADPHONES  
T.F 
PT801
POWER
TRANSFORMER
RL801 
L801
LINE FILTER 
AC POWER
SUPPLY CORD    
AC  230V, 50Hz
PT802
POWER
TRANSFORMER
Q802
+B6 
+B7 
UNSWITCH
D801
D803~D806 
Q801
D807
~D809 
+B7 
RX701 
Q705
Q706
Q707
4
3
7

7
4
5
9
L-OUT 
IC901
POWER  AMP. 
IC901
STK40724
(PC671H)
STK40704
(PC651H)
–B
+B
R-OUT 
Q401
Q402
ZD801 
Q403
Q404
+B4 
+B5 
+B2 
+12V(ANALOG)
+12V(MOTOR) 
+5.6V 
+5V 
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q702
Q703
AVDD
~
~
~
16
18
12
15
20
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
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
71
70
69
68
67
66
65
64
63
62
61
80
79
78
77
76
75
74
73
72
60
59
58
57
56
55
54
53
52
51
VDD
PHM1
D811~D814
FRONT
F802
T5A L250V
F803
T5A L250V
F805
T1.6A L250V
29
36
~
M
MM1
TAPE MOTOR
+B7
+B7
Q907
RL901
RL902
Q906
SW726,SW727
PC651H Only
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Sharp CD-PC671H (serv.man4) Service Manual ▷ Download

  • DOWNLOAD Sharp CD-PC671H (serv.man4) Service Manual ↓ Size: 1.2 MB | Pages: 17 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp CD-PC671H (serv.man4) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-PC671H (serv.man4) System. Information contained in Sharp CD-PC671H (serv.man4) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.