DOWNLOAD Sharp QT-CD132H Service Manual ↓ Size: 2.2 MB | Pages: 36 in PDF or view online for FREE

Model
QT-CD132H
Pages
36
Size
2.2 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Portable
File
qt-cd132h.pdf
Date
PREV: Sharp QT-CD131H (serv.man3) Service Manual / Technical Bulletin

Sharp QT-CD132H Service Manual ▷ View online

QT-CD131H/132H
– 9 –
Figure 9 BLOCK DIAGRAM (1/3)
62
51
37
46
56
39
55
38
54
33
53
32
11
8
4
2
21
25
20
38
34
35
36
~
+5V
FOCUS COIL
TRACKING COIL
PICKUP UNIT
3
10
19
23
25
1
2
17
11
18
12
49
50
52
53
51
54
Q804
+5V
23
6
63
43
64
10
44
12
45
9
14
13
43
16
44
17
18
19
20
15
32
40
1
61
58
57
CL, DAT, SELIAL CONTROL
CONSTANT
VOLTAGE
REGULATOR
16
27
31
28
15
30
29
M
M
MOTOR
SLIDE
MOTOR
SPIN
1
2
3
4
9
~
~
17
14
XIN
XOUT
K1
CD
OPERATION
KEY
SW771~SW774
LID
SW761
OPEN/CLOSE
~
~
57
24
27
28
31
30
60
41
44
33
22
23
37
CD LCD
LCD701
PICKUP IN
PU-IN SW
19
13
14
SL+
SL–
+7.4V
(CD)
1
2
3
4
5
6
7
GND (A)
R-CH
L-CH
GND (D)
POWER GND
+7.4V (D)
SECTION
MAIN
TO
VVDD
XIN
XOUT
VDD
XVDD
EFMO
EFMIN
CLV+
CLV–
V/P
HFL
TES
TOFF
JP–
JP+
TGL
RES. CQCK. COIN
SQOUT. RWC. WRQ
LCHO
LC78622E
IC802
SERVO/SIGNAL
CONTROL
16.93MHz
XL801
SLI
SLC
CV+
JP–
DRF 
CE 
DAT 
CL 
CLK 
THLD/DEF
SLD
SLEO
SPO
FD 
TO
SL+
SL–
F
E
FIN1
FIN2
64
62
+5V
Q805
VCC1
LDO
LASER
DRIVER
SERVO AMP.
LA9240M
IC801
22
2
+7.4V
7
5
6
8
28
26
13
27
IC804
BA5914FP
FOCUS/TRACKING
/SPIN/SLIDE
DRIVER
M701
M702
SW702
RES
SL–
DRF
WRQ
RESET
VLC3
VDD
+5V
(D)
4MHz
X701
IC701
IX0105AW
SYSTEM
MICROCOMPUTER
COM0
SEG1
SEG4
COM3
CD LID
MUTE
QT-CD131H/132H
– 10 –
Figure 10 BLOCK DIAGRAM (2/3)
6
5
1
8
2
2
3
4
5
6
7
10
11
12
5
1
8
9
6
12
IC202
LA4597
POWER AMP.
L
VOLUME
X-BASS
132H
ONLY
SW203
A,B
SURROUND
SW202
A,B
VR201
A,B
STANBY
R
5
6
2
2
1
3
3
7
1
IC203
KIA7808P
VOLTAGE
REGULATOR
+B2
+B1
SP501
SPEAKERS
SP502
SO651
SW201-C
POWER/
FUNCTION
AM / FM
SELECT
+B
FM +B
SW201-D
POWER /
FUNCTION
RADIO
TAPE
REC
POWER/
FUNCTION
SW201-A,B
FROM TUNER
SECTION
IC2-9,10PIN
CD
EC / PB
SW102
A,F
P. B
REC
IC101
EQULIZER
AMP.
BA331IL
REC
REC
P.B
P.B
P.B
L
R
L
R
SW102
REC / PB
B.D
REC / PB
SW102
C,E
L-CH
REC / PB
HEAD
R-CH
(AUDIO GND)
+7.4V
+B2
(DIGITAL GND)
(POWER GND)
FROM
CD/DISPLAY
SECTION
R-CH
ERASE
HEAD
SW102-H
REC / PB
BIAS
OSC.
C201
L201
SW102-G
REC / PB
+B1
M601
TAPE
MOTOR
SW601
MAIN
D651~D654
RECTIFIER
TUNER
+B
BACK UP
+B
T601
POWER
TRANSFORMER
BATTERY
DC12V
["D" SIZE (UM/SUM-1,
R20 or HP-2)BATTERYx8]
BATTERY
DC3V
["AA" SIZE (UM/SUM-3,
R6 or HP-7)BATTERYx2
FOR TUNER MEMORY]
AC INPUT
AC 230-240V
50Hz
L-CH
IC201
KIA4558S
SURROUND AMP.
F651
T1.25A L
250V
MUTE
L-CH
R-CH
QT-CD131H/132H
– 11 –
Figure 11 BLOCK DIAGRAM (3/3)
X  IN
FM  IN 
X  OUT 
VSS 
AM  IN 
IF  IN 
VT
AM  MIX  OUT
X1
4.5MHz
DOUT
DATA
CLOCK 
PERIDO
OF1 
CF2 
AM  IF  IN
AM  OSC
AM  MIX  OUT
FM  IF  IN
AM  IF  IN
GND 
AM  RF  IN
FM  DET
DET  OUT
STEREO
TUNER 
MPX  VCO
MPX  IN
R-CH  OUT
L-CH  OUT
MO/ST
T2
FM  DET
VR1 VCO
FM+B
FM  RIPPLE
FILTER 
TO MAIN  SECTION
CF1 
VT
VT
F1
B.P.F
L1
VD1 
FM  RF 
L2
VD2 
FM  OSC
T1
FM  IF 
Q1    RF  AMP. 
FM+B
FM  ROD ANTENA
SWITCHING 
MUTE
24 
22
20
18 
13
16
10
15
9 
1 
2 
8 
7 
6 
5 
3 4 
5 
6 
12
11
10
1 
22
13
14
1 
6 
3 4 
9 
7 
8 
IC3
TC9216P
PLL  CONTROLLER
+B
21
+B
IC2
LA1805
FM  IF  DET.
/FM  MPX./AM  IF 
IC1
TA7358AP
FM  FRONT  END 
5 
T3
AM  IF 
Q5 Q6
Q10 
AM  OSC  OUT
VT CONTROL 
Q3 Q4
L3
AM  ANT. 
VD3-1 
TC1 
L4
AM  OSC. 
VD3-2 
23
24 
31
45
44 
43
50
51
1 
6 
7 
8 
9 
65
80
41
48
33
30
22
20
SW504  MEMORY SW503  TUNER  UP SW502  TUNER  DOWN SW501  BAND SW505  PRESET  UP  SW506  PRESET  DOWN 
LCD501
LCD  DISPLAY 
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
12
13
14
15
16
17
18
19
20
21
MONO/ST 
IC501 TUNER
MICROCOMPUTER
Q501 Q502
TUNER  +B
IC502
RESET 
RESET 
A-GND 
AUDIO 
+12V
+5V 
VOLTAGE
REGULATOR
ZD1  
D GND
TUNER +B
QT-CD131H/132H
– 12 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• The numbers   
1 
 to 
 12 
 are waveform numbers shown in page 22.
Figure 12 SCHEMATIC DIAGRAM (1/6)
SW761
CD  LID
OPEN/CLOSE
R871
4.7K
C845 4.7/50
C850
0.1 
C848
1/50
R842
22
C849
0.022
Q805
S9012H 
R831
1K
C701 0.022 
R715
15K 
R714
10K 
X701
4.0MHz 
R733   1K
R732   1K
R731   1K
R729   1K
R728   1K
R726   1K
R727
1K
R730
1K
R734
1K
R708
1K
C702 0.022 
R736
1K
R713
1K
C705
0.022
C704
100/10
R711
2.7K
R710
10K 
R709
1K
C811
0.1 
R823
1.2K
C817
0.47/50 
C820 0.0033 
R825
1.2K
C819 47/16 
C818
1/50
R824    10K 
R830
1K
C816
0.001 
R821 56K 
C815
0.0047 
R817
82K 
R819
39K 
R820
10K 
R813
33K 
C814
0.01
R816
1.5K
C812
330P
R815
47K 
R814 10K 
R829
1K
R812
15K 
C813
0.1 
R840
22K 
R839
22K
R828
1K
C821
1/50
R810
82K 
C832
27P(CH
R
33
0
R832
56K 
C834
0.033 
R836
47K 
C833 0.001
C830
2P
(CH)
R835
470 
R833
5.6K
C803
0.1/50
R806
100 
C807
0.1/50
C806
0.033 
R805
6.8K
C808
0.068 
R811
3.3K
C809
0.047 
R807
1K
R809
27K 
C810
180P
R808
12K 
C804
0.001
R804
2.2K
C805
0.033 
R802
100K
R803
15K 
C840
0.33/50 
C839   1/50
C838   0.01
C837   10/16 
C835   0.1/50
IC801
LA9241M
SERVO AMP.  
48
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
R822
6.8K
GND 
VREF
SLEQ
SLD 
SL–
SL+ 
NC
SP
SPG 
SP– 
SPD 
FIN2
FIN1
E
TD
TD–
TA
SCI 
TH
TESI
TE- 
TE
A  GND 
JP–     
JP+ 
TGL 
TOFF
TES 
HFL 
SLOF
CV- 
CV+ 
RFSM
RFS-
SLC 
SLI 
GND 
FSC 
TBC 
NC
DEF
CLK
CL
DAT
CE
FSS
VCC2
REFI
VR
LF2
PH1
BH1
LDD
LDS
VCC1
SEG16 
COM0
COM1
COM2
COM3
VLC1
VLC2
VLC3
KIDSW  AIN7
SIMUKE AIN6
AIN5
P3P40 
P33 
P32
P30
VREF
XCIN
XCOUT
VDD
XOUT
XIN
RESET
PU-IN  P23 
WRQ  P22 
SQOUT  P21 
DFR  P20 
D8  SL–  
D7  SL+
D6  RWC
D5  COIN 
D3  RES
D4  COCK  
D1  MUTE 
P10  POWER  IN
P02 
P01 
P00 
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10 
SEG11 
SEG12 
+B5V
+B
DIGITAL  GND 
CO  IN 
CQCK
RES 
R735  1K
64
63 62
61 60 59 58 57 56 55 545 3 5 2  51 50 49
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
17
8
7
6
5
4
3
2
1
1 2
2
3 4 5 6 7 8 9 10 1112 13 14 15 16
17
18
19
20
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
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
IC701
IX1015AW
SW773
FWD  
R774
1.5K
SW774
REV  
SW771
PLAY 
SW772
STOP 
R773
1.8K
R771
3.9K
R772
2.7K
R776
10K 
+B
SWITCH  PWB-A2 
FW701 
1 
3 
1 
3 
DRF
R827
220K
R826 220K
+B
LCD701
CD SIGNAL 
C740
0.01
Q740
2SC1815GR
D740
1N4148
R741
3.3K
R740
4.7K
R743
100K
R742
1K
C741
3.3/50
R744
10K 
D741
1N4148
R745
10K 
+B
+B
R721
15K 
R724
15K 
R725
15K 
R723    15K 
R722    15K 
R720    15K 
R719    15K 
R718    15K 
R716
10K 
MAIN PWB-A1 ( 1 / 3 )
@
JP
FD–
FD
TO
FA–
FA
FE
FE– 
VSS
AVSS
P31
RWC 
SL+ 
SL–
DRF 
SQOUT 
WRQ 
PU  IN 
TB
F
SYSYTEM
 MICROCOMPUTER
+B
+B
+B
LASER DRIVER
9
8
7
6
5
4
3
2
1
12
11
10
PIN
NO. VOLTAGE
IC801
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
0V
15
14
13
47
46
45
41
40
39
38
37
36
35
34
33
44
43
42
18
17
16
50
49
48
21
20
19
53
52
51
23
22
55
54
26
25
24
58
57
56
29
28
27
61
60
59
32
31
30
64
63
62
PIN
NO. VOLTAGE
PIN
NO. VOLTAGE
0V
2.5V
2.5V
0V
0V
2.4V
4.1V
4.7V
0V
0V
5V
5V
2.5V
2.5V
0.9V
0.9V
2.1V
4.2V
0V
5V
9
8
7
6
5
4
3
2
1
12
11
10
PIN
NO. VOLTAGE
IC802
0V
0V
1.5V
0V
2V
5V
0.3V
0V
2.5V
2.5V
0V
0V
0V
5V
0V
4.8V
5V
5V
0V
0V
2.5V
0V
41
40
39
38
37
36
35
34
33
44
43
42
15
14
13
47
46
45
18
17
16
50
49
48
21
20
19
53
52
51
23
22
55
54
26
25
24
58
57
56
29
28
27
61
60
59
32
31
30
64
63
62
PIN
NO. VOLTAGE
PIN
NO. VOLTAGE
2V
0V
0.1V
2.2V
0V
2.5V
0V
2.5V
0V
0V
0V
4.1V
4.1V
5V
0V
2.7V
2.4V
0V
0V
0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.2V
2.2V
0V
0V
5V
5V
4.8V
0V
5V
0V
0V
1.5V
2.4V
2.5V
2.5V
5V
0V
0V
0V
0V
0V
0V
5V
2.5V
0V
0V
0V
5V
4.7V
2V
0V
0V
2V
4.7V
0V
5V
2.3V
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