Read Panasonic SL-CT820EB / SL-CT820EE / SL-CT820EG Service Manual online
11 Schematic Diagram
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
FOCUS
COIL
COIL
TRACKING
COIL
COIL
B
D
C
A
GND
F
V
CC
B
LD
GND
E
VREF
A
LPD
1
2
3
4
5
6
7
8
9
10
2K
TE(F)
RF(-A)
TE(E)
GND
GND
GND
F+
T-
F-
T+
LD+
NC
LPD
RF(-B)
VREF
V
CC
0.22
0.22
16
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
CN101
R204
1K
C205
0.1
R205
6.8K
B
C
D
C206
0.01
R206
15K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PD
IN
NC
LD
OFF
LDI
OUT
Vcc
RG2
NC
RG1
GND
NC
FLOCK
DUTY
ADJ
PCK
MUTE
NC
LDISET
IC201
C1BB00000695
C1BB00000695
LASER POWER
DRIVE
DRIVE
E
F
G
D
S
Q101
B1CHGD000006
B1CHGD000006
POWER SUPPLY
SL-CT820(EG,EB,EE) CIRCUIT DIAGRAM
CN401
M
M
8
3
4
2
5
6
7
1
TRAVERSE
MOTOR
SPINDLE
MOTOR
S202
(REST DET.SWITCH)
A
B
C
D
G
I
OPTICAL PICK-UP
C201
6.3V22
F
E
D101
MA1
1
1TX
L401
47
H
L402
47
H
L403
47
H
H
C207
4.7
IC301
C2BBGF000657
C2BBGF000657
SYSTEM CONTROL
S310
(HOLD)
ON
OFF
S302
(VOL
-
)
S303
(VOL
+
)
R372
1K
Q307
DTA143EUA106
DTA143EUA106
POWER SUPPLY
(REMOTE)
(REMOTE)
R301
3.9K
R308
4.7K
R312
8.2K
J
K
N
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RFQFE
ZAN/JVDGE
HOLD
A.SHOCK
PLAY
REST
ZANSEL
FSSEL
X3SEL
CHGSEL3
CHGSEL
XBSSEL
XCSEL
TYPESEL
KANASEL
LASEQICSEL
NC
NC
NC
LED
NC
NC
NC
TXPOWER
MUTEL
JACKM1
JACKM2
HIGHMA
T
REMOCON
NC
NC
NC
NC
NC
NC
NC
NC
VL1
BLKCK
VL3
VL2
NC
BUZ
MUTEH
HPCNT
Vcc
XOUT
XIN
Vss
XCIN
XCOUT
RESET
CNVss
GUP
ICTRL
PC2
PC1
IDOWN
FG
NC
KEY
VMONIT
OR3
VMONIT
OR1
VMONIT
OR2
DOCT
OR
REMKEY
VREF
A
Vss
DOT
ACDET
ECS
S
TAT
MDA
T
A/DIDO
MCLK/SK
CHARGE2
CHAGE1
MLD
POWER
OPEN
NRFDETSEL
F
C304
100P
O
Q
S T U
W X Y
R325
33K
P
R326
1K
R324
27K
C
R304
1M
R302
100K
C302
1
Q304
UN5214TX
UN5214TX
MUTING CONT.
R397
100K
100K
Q305
UN5114TX
UN5114TX
LED DRIVE
G
D
S
D501
B0JCDD000002
Q502
B1CFHA000002
B1CFHA000002
SWITCHING
R310
1K
R329
100K
R359
10K
A
M
L
Z
h
d
e
f
O
C301
1
S301
(/)
b
M
B
IC401
C0GBF0000017
C0GBF0000017
4ch MOTOR DRIVE
C401
0.1
B C
A
D
C431
2200P
C437
1
C404
1
A
B
C
C402
0.1
R401
4.7K
C405
4700P
C407
0.22
E
F
R405
47K
B
A C
D
C406
10V22
C403
0.1
C412
0.1
13 14 15 16 17 18 19 20 21 22 23 24
12
11
10
9
8
7
6
5
4
3
2
1
25
26
27
28
29
30
31
32
33
34
35
36
48 47 46 45 44 43 42 41 40 39 38 37
RF
COM
VS
CP1
CPC1
CP2
CPC2
VG
Vcc
FG
FIL
COMN
S/
S
PWM
BRK
MODE1
MODE2
NC
RMAX
VCOIN
VCO
VGREG
VSMON
TGND
PGND3
OUT3R
MUTE
VS3
IN1F
IN1R
IN2F
IN2R
IN3F
IN3R
CLK
GND
UOUT
VOUT
WOUT
OUT1R
VS1
PGND1
OUT1F
OUT2F
PGND2
VS2
OUT2R
OUT3F
D
E
N
F
G
H
I
J
K
L
M
IC302
C3EBCG000096
C3EBCG000096
EE PROM
DO
DI
V
CC
NC
GND
NC
5
6
7
8
4
3
2
1
SK
CS
R316
1K
O
R207
10K
C208
1
R208
100K
R201
2.2
R202
22K
R314
15K
S308
()
R331
27K
S304
()
S305
()
R321
100K
C303
2200P
C306
1
D361
B3AAB0000037
(CHG)
R306
180
R
V
R59
56K
R58
56K
56K
RJ402
0
SL101
(SHORT LAND)
S201
(LASER ON/OFF)
g
a
R311
1K
i
R377
1K
R320
1K
R315
1K
R374
1K
R317
1K
R318
1K
j
S306
(High MAT)
OFF
ON
R334
1K
R341
100K
0V
(1.2V)
0V
2.5V
0.2V
(1.9V)
0V
(2.4V)
0V
(0.1V)
0V
(0.6V)
0V
0V
(0.3V)
0V
0V
2.5V
2.5V
(1V)
0V
(1.2V)
2.5V
0V
2.5V
0V
(2.4V)0V
2.5V
1.1V
1.2V
2.5V
2.5V
2.4V
2.4V
2.5V
2.5V
(2.5V)
(0V)
2.4V
2.4V
2.4V
(0V)
2.5V
0V
2.5V
0V
2.5V
2.5V
2.5V
2.5V
2.5V
0V
0V(1.9V)
2.1V(1.5V)
2.4V
2V
2.5V
0V
2.4V(0V)
0V
0V
0V(1.1V)
2.4V(1.9V)
2.4V
2.4V(0V)
0V(2.4V)
2.4V
2.5V
0V
2.4V
(0V)
0V
(2.4V)
2.5V
2.5V
2.5V
0V
(2.4V)
3.9V
(2.8V)
0.1V
0V
3.9V
(2.8V)
(2.3V)
0V
0V
0V
0V
0V
2.5V
3.9V(2.8V)
0V
0V
0V
0V
0V
0V
1.1V
( 1.4V
) 1.9V
3.9V
0V
0V
0V
0V
0V
0V
(0.6V)
(0.3V)
(0.3V)
(0.6V)
(2.5V)
0.1V
(2.8V) 3.9V
(0.3V)1.2V
(2.7V) 3.6V
(2.1V)1.2V
(6.6V) 6.1V
(6.9V)7.3V
2.5V
0.1V
0.1V
(1.2V) 0V
(2.4V)
(2.4V)
(2.4V)
0.1V
(2.3V)
0.1V
(2.3V)
(0.1V)
(0.1V)
2.5V
2.4V
0V
2.4V
(1.9V)
2.4V
(1.9V)
0V
A
0V
0V
0V
0V
0V
0V
0V
(0V)
2.4V
2.4V
:POSITIVE VOLTAGE LINE
:PLAYBACK SIGNAL LINE
SL-CT820EB / SL-CT820EE / SL-CT820EG
15
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