DOWNLOAD Panasonic SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG Service Manual ↓ Size: 1.54 MB | Pages: 40 in PDF or view online for FREE

Model
SL-CT720P SL-CT720PC SL-CT720EB SL-CT720EE SL-CT720EG
Pages
40
Size
1.54 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / PORTABLE CD PLAYER
File
sl-ct720p-sl-ct720pc-sl-ct720eb-sl-ct720ee-sl-ct72.pdf
Date
PREV: Panasonic SL-CT720GH / SL-CT720GK / SL-CT720GT Simplified Service Manual

Panasonic SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG Service Manual ▷ View online

A
B
C
D
E
F
G
H
25
26
27
28
29
30
31
32
33
34
35
36
G
D
S
C13
10V47
IC61
C0DBAFE00017
REGULATOR
D71
MA729TX
C19
1
R55
100K
Q301
B1CHGD000006
SWITCHING
C54
0.1
R53
100K
R52
1M
CN11
R50
1.2
R83
12K
R82
12K
R44
270
Q42
B1ABMD000004
SWITCHING(CHARGE)
Q302
UN5114TX
SWITCHING(CHARGE)
Q81
2SD1819ATX
SWITCHING(CHARGE)
JK701
HEADPHONE
C651
0.1
R56
100K
R57
1K
Q704
B1GFGCAA0001
MUTING
ICP11
K5H1522A0018
L
R
G
S
G
K
R705
2.2
R708
1K
R706
2.2
JK12
EXT BATT
JK11
DC IN
4.5V
C15
0.1
Q13
XP161A1355PR
BATTERY
LOSS CANCEL
G
D
S
C1
3300P
C17
0.1
D12
MA729TX
R14
100K
R13
1M
Q11
UN5214TX
BATTERY
LOSS CANCEL
N
Q
W
O
J
e
L71
330
H
L12
100
H
S
IC12
C0CBAFD00003
BATTERY LOSS
CANCEL
5
4
2
3
CE
OUT
NC
V
SS
LX
1
2
3
4
5
IC71
C0CBCBZ00001
REGULATOR
1
2
3
4
5
Q41
2SB1182TLPQR
REGULATOR
C2
4V470
C72
0.1
C71
6.3V22
P
Y
M
L702
L703
L701
C731
1000P
R707
1K
R901
2.2K
R910
2.2K
Q903
UN5114TX
BUZZER DRIVE
L
Q902
UMG6NTR
MUTING CONT.
Q901
UN5114TX
MUTING CONT.
R709
2.2K
C706
4V220
C705
4V220
B
A
Q551
DTA143EUA106
POWER SUPPLY
(OPTICAL)
D701
MA8056MTX
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
9
8
10
11
12
PV
CC
2
SGND
RST
OUT
RSTIN
STBY
IN2
EI
EO
SPR
T
SOFT
STBY
IN1
SEL
V
DD
2P51
V
DD
2P52
PGND
SW2
CP1
CP2
CP1C
CP2C
VG
ACDET
OUT
REFB
SW1
PV
CC
1
C7
6800P
C5
0.022
IC1
C0DBAFG00014
DC-DC CONVERTER
C6
0.1
C8
0.022
R1
100K
R2
82K
C18
0.1
R4
330K
R5
150K
R6
100K
R10
220
R11
22
R17
100K
C1
1
4V100
C4
0.022
C3
0.022
R7
100K
R16
10
F41
ERY32SB075VA
D1
MA729TX
D2
MA729TX
R
S
D
G
Q501
B1CHMC000007
POWER SUPPLY
CONT.
D61
MA729TX
C62
6.3V22
C61
100P
L61
100
H
C552
0.1
L705
C709
1000P
C708
1000P
Q705
UN5115TX
MUTING CONT.
V
L1
100
H
V
DD
GND
D602
MA8056MTX
R3
R8
d
R9
1K
R61
56K
R60
56K
(2.8V)
3.9V
1
C20
100P
SL-CT720(P,PC,EG,EB,EE) CIRCUIT DIAGRAM
2 RECHARGEABLE
BATTERIES
2.4V
R704
4.7
R703
4.7
C609
1000P
C602
1000P
2.5V
1.5V
1.5V
2.5V
2.5V
3.3V
2.5V
2.4V
(0V)
(2.4V)
0V
(0V)
0.7V
0.4V
(0V)
(0V)
0.7V
0V
(2.8V)
3.9V
3.9V
(2.8V)
3.9V
(2.8V)
(6.8V)
8.2V
(6.8V)
8.2V
0V
0V
2.5V
3.3V
2.5V
2.4V
(-0.2V)
0V
(2.4V)
2.5V
0V
2.4V
0V
0V
4.2V
0V
3.6V
2.5V
1.4V
1.2V
0.5V
0V
(1.8V)
2.8V
(1.2V)
2.3V
0V
2.4V
(0V)
2.5V
2.5V
2.5V
2.5V
3.9V
(2.8V)
1.1V
1.3V
4.9V
(3.7V)
7.3V
(6.1V)
8.3V
(7.1V)
2.5V
(-0.1V)
0.6V
(-0.1V)
0.6V
(2.4V)
0V
(2.4V)
0V
(0V)
2.4V
2.5V
2.5V
-0.1V
(-0.2V)
(-0.2V)
-0.1V
8.6V
(7.7V)
(1.9V)
0V
3.6V
4.2V
3.9V
(2.8V)
2.5V
2.5V
0V
2.5V
2.5V
0V
: PLAYBACK SIGNAL LINE
: POSITIVE VOLTAGE LINE
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
17
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
18
12 Printed Circuit Board and Wiring Connection Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
SL-CT720(P,PC,EG,EB,EE) P.C.B.
(SIDE:A)
(SIDE:B)
7
5
3
1
8
6
4
2
8
7
6
5
4
3
2
1
TRAVERSE
MOTOR
REST DET.
SWITCH
SPINDLE
MOTOR
S202
CN401
E
C
B
Q505
1
5
10
15
20
25
30
28
27
35
40
45
50
54
IC502
R3
CN11
CN101
1
2
3
4
5
6
8
9
10
11
12
13
14
15
16
7
OPTICAL PICK-UP
R202
C205
C651
C552
1
5
1012
13
15
24
20
IC1
D361
R50
R58
R59
F41
R1
1
R2
R4
R1
R53
R306
R8
R44
R52
R16
R17
R506
R507
R509
R521
R524
R371
R314
R312
R341
R301
R308
R601
R374
R707
R708
R703
R705
R706
R704
R14
R13
R7
R516
R201
R321
R515
R518
R310
R324
R519
RJ501
R359
R316
R326
R57
R329
RJ402R10
Q42
C
B
E
C
B
E
Q41
C7
C8
C61
C5
C521
C524
C303
C611
C707
C703
C704
C519
C533
C532
C4
C6
C19C3
C18
C11
C62
C13
C202
C507
C701
C705
C706
L1
L61
L401
L402
L403
L71
C2
L704
L502
L504
S201
SHORT
LAND
SL101
S310
OFF
ON
HOLD
S303
S302
S305
S304
S308
S301
VOL(+)
VOL(-)
D501
C515
R397
E
C
B
Q11
IC12
G
D
S
Q13
B
E
1
B
3
C
4
C
5
Q902
C708
C709
C17
C602
R709
R311
D12
D701
C731
L12
L705
IC401
1
12
13
24
25
30
35
36
37
48
5
10
15
20
40
45
E
C
B
Q305
E
C
B
Q504
S
D
G
Q501
Q301
1
3
4
5
IC61
1
3
4
5
IC71
S
D
G
E
C
B
Q81
IC501
65
70
75
80
85
90
95
1
5
10
15
20
25
32
33
35
40
45
50
55
60
64
30
96
97
100
105
110
115
120
125
128
E
C
B
Q302
E
C
B
Q307
S
D
G
Q101
E
C
B
Q551
B
E
C
Q903
E
C
B
Q705
E
C
B
Q901
E
C
B
Q304
E
C
B
Q602
IC302
1
4
5
8
1
IC301
20
21
25
30
35
40
41
45
50
55
60
61
65
70
75
80
5
10
15
C
B
E
C
B
E
Q704
C15
C1
L702
L703
L701
HEADPHONE
R
G
G
L
K
S
JK701
D602
R207
R208
R325
R302
R517
R508
R503
R331
R511
R520
R512
R502
R304
R505
R514
R513
R209
R504
R910
R901
R56
R315
R317
R318
R320
C20
C208
C609
C304
C702
C517
C72
C405
C407
C404
C431
C528
C506
C403
C401
C402
C437
C412
C54
C513
C510
C523
C522
C516
C520
C561
C504
C505
C527
C529
C526
C518
C531
C302
C306
C301
D101
D502
X502
D71
C71
C406
D61
D2
D1
R55
R5
R6
R83
R9
R60
R405
R401
R82
R61
ICP1
1
JK12
DC IN      4.5V
EXT BATT
JK11
S
S
D
G
Q502
VREF
RF
GND
CHG
V
DD
Note: This printed circuit board diagram may be modified at any time with the development of new technology. 
2 RECHARGEABLE
BATTERIES      2.4V
E
C
B
Q503
(REP3809B-M)
3 2 1
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
19
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
20
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