Panasonic SL-SX450EB, Service Manual

Page: 17 / 35

10 Schematic Diagram
A
B
C
D
E
F
G
H
12 11 10 9 8 7 6 5 4 3 2 1
LCD801(L5ACAEC00027)
LCD DISPLAY
1 30 3 2 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
1 30 3 2 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
R306
47K
N O P M L K J I H Q E G
C302
1
R304
1M
S310
(HOLD)
CN301
F
A F G H I J K L M N O P Q R S T U V
A B C D E F G H
OPERATION & LCD UNIT
IC301
C2BBGE000792
SYSTEM CONTROL/
LCD DRIVE
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
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
XBSLPSEL
PMSEL
CHGSEL3
CHGSEL
TYPESEL
TYPESEL3
SEG24/RSTN
SEG25/PDN
E
RW
X2
RS/LED
RESX PDOWN MUTEH POWER CHGSEL2 CHG JUDGE HOLD
A.SHOCK
REST Vss X
OSC
OUT
X
OSC
IN
EXT
-OUT
EXT
-IN
/RESET TYPESEL2 RIO WLSRCN BLKCK
STAT
MDATA/DIO0
MCLK/SK
MLD
PLAY
AC DET
ECS
HPCNT
RAMCNT
CHARGE2
BUZ
CHARGE1
OPEN
KEY1
KEY2
KEY3
VMONITOR1
VMONITOR2
DOCTOR
6KEY
VL2 VL3
COM0 COM1 COM2 COM3
A
Vss
VREF
Vcc
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG0
VL1
SEG17
R823
6.8K
S821
(MEMO)
S823
(EQ)
S822
(MODE)
B C A
A
R313 100K
R308
100K
C399
9P
C398
9P
R305 3.3M
OFF ON
R302 100K
Y X D V
I J K L M N O P Q R
B A C J I H G A
R307
10K
R331
1K
Y W R Q T S V U M N
B
K
A
X
Z
a
d
g
Y
I
W
H
G
F
B D E
b
K L O P
W X
S X
FOCUS
COIL
TRACKING
COIL
1
2
24
3
4
5
6
7
8
9
10
11
12
13
14
15
CN101
IC101
AN22003A-NF
SERVO AMP
16
17
18
19
20
21
22
23
1
2
24
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
STAND-BY
VC
RF
VB
VA
GCTL
VF
VE
Vcc
NC
MPD
LD
GND
TR+
TR-
FO+
FO-
TRV-
TRV+
SP-
SP+
GND
REST
TRAVERSE
MOTOR
S202
(REST SWITCH)
SPINDLE
MOTOR
M M
Q101
UNR511300L
SWITCHING
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 25 24 26 27 28
LDON=H NRFDET
OFT
CONT
DCDET
3T
OUT CEA ARF
CAGC
RF
IN
RF
OUT
EQSW
Vcc
LD PD
GND PDOWN=H
VREF
TEIN
TE
GCTL FBAL TBAL PDE PDF PDB PDC PDA SHARP=H
OFTR
BDO
29 30 31 32
FEIN FE
Q201
2SB0709A0L
LASER POWER
DRIVE
R201
2.2
C201 4V22
S201
(LASER ON/ OFF)
SL101
R101
2.2K
R102
2.2K
R202
22K
D101
MA2J11100L
A
B
C
D
E
F
G
H
I
J
J K L M N O P Q
R103
10K
R104
10K
C103 0.022
RF
C1
14
1
C101
4V220
R1
10
10
E D
C108
3300P
B A
J F I G
H
C104
1
C116
0.022
C1
13
1
C105
1
C111
0.022
C112
560P
R122
47K
R120
3.3K
R121
39K
C121
560P
C120
3300P
L M N
P Q R S T U V
VREF
O
1 2 3 4 5 6
7 8 9 10 11 12
LD MPD Vcc VE VF GCNT
.
GND
S.by
VC RF VB
VA
A
B
C
D
E
F
G
H
I
J
K
A B C D E F
G H I J K
NC
OPTICAL PICK-UP
SL-SX450(EG,EB,EE,GC,GN) CIRCUIT DIAGRAM
C117
0.022
IC302
C3EBCG000096
EE PROM
8
7
6
5
1
2
3
4 DO
DI
SK
CS Vcc
NC
NC
GND
R361
1K
C321
1
B C D E F X
U S T C R W
B C D E
T U V W
R824
8.2K
R825
27K
R826
6.8K
R827
8.2K
R828
27K
R822
12K
R821
12K
V
J
R314
1K
R317
22K
X301
(32.768kHz)
e
f
C
C
J A
R309
0
R325
33K
C301
1
R356 1K
R375
0
R376
0
R31
1
1K
L301
0
R353
1K
S828
(VOL
+
)
S829
(VOL
-
)
S826
()
S827
()
S825
()
S824
( / )
K
C304
0
PLAY
2ms. 20mV/DIV.
70mV
P-P
PLAY
0.3V
P-P
2ms. 0.1V/DIV.
PLAY
0.7V
P-P
0.5 s. 0.5V/DIV.
2.7V
2.7V 0V
2.2V
(1.9V)
(1.8V)
2.7V
2.7V
1.3V
2.6V 2.2V
(1.9V)
2.7V 0V
(2.7V)
1.7V 0.4V
(1V)
1V
(1.2V)
0.9V 1.3V 1.3V 0V 2.5V (0V) 2.4V (0V) 0V
(2.7V)
2.7V 1.3V
0.9V
(1.1V)
1.3V
0.9V
(1.4V)
0.9V
(1.4V)
1.3V 1.3V
1.3V 1.3V 1.3V 1.3V 1.3V 1.3V
:POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE
2.7V
1.5V
1.5V
1.5V
1.5V
1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 2.7V 2.7V 1.5V 1.5V 1.5V 1.5V
3V 2V 1V
2.7V
0V
(0V)
2.7V 2.7V 2.7V 1.3V 1.2V
2.7V
0V
0V
2.7V
2.7V
2.7V
2.7V
0V
2.7V
0V
2.7V
2.7V
2.7V
2.7V
2.7V
1.7V
2.7V
0V
(2.2V)
(0.6V)
2.7V 0V
2.7V
2.7V
2.7V
0V
0V
(2.2V)
(2.2V)
0V
2.7V
1.5V
1.5V
1.5V
1.5V
2.7V
1.5V
1.5V
0V
0V(2.7V)
2.7V
0V
2.7V
SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN
17