Panasonic SL-VP48, Service Manual

Page: 61 / 72

0.047
0.1
100K 100K
0.1
FOCUS
COIL
TRACKING
COIL
1 2 3 4 5
8 9 10 11 12
6
7
LD.GND LD E F Vcc GND
GND
NB NA
VREF
LPD
GND
16
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
Vcc
PDF
PDE
LDDRV
LD.GND
GND
PDA
GND
PDB
VREF
LPD
GND
TR+
TR-
FO+
FO-
16
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
A B C D
A
B
C
D
CN101
A
SHORT
LAND
OPTICAL PICKUP
MAIN CIRCUIT
30
2
1
3
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
R113
33
LCD DISPLAY
LCD301 (L5ACACC00001)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
S302
( ,STOP/ OPR OFF)
S308
(A.SHOCK)
S313
( ,RETURN)
S303
(NEXT )
S311
(MENU+)
S312
(MENU-)
S301
( , SELECT)
A
B
F
E
B
D
C
A
A
B
A
A
B
C
D
E
F
B
C
E
F
I
J
K
L
M
N
D
O
P
Q
R
S
A B C D E F G H I J K L M N O P Q R S
30
2
1
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
14
IC101
AN8839NSB-E1
SERVO AMP
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
PDE
FBAL
PDF V
DD
PDA PDB LPD LD RF RF
IN
CSBRT CEA BDO LDON GND
TBAL
VREF
FE
IN
FE
OUT
TE
OUT
TE
IN
NC
MUTE
ENV
NC
OFTR
PDOWN
/RFDET
R201
2.2
C201
4V47
R202
22K
Q201
MSB709RST1
LASER POWER DRIVE
RF
C112
220P C121
120P
S201
(LASER ON/OFF)
C103 0.022
C1
15
0.022
C1
14
0.1
C101
0.1
C503
560P
I
J
D101
MA2J1
1100L
G
H
A
B
C
E
F
I
J
K
L
M
N
D
O
P
Q
R
S
G
H
T
U
V
W
X
A
B
C
D
E
R121 120K R120
10K
R122 120K
C120
1500P
C1
1
1
0.022
C1
13
0.1
A
B
C
D
E
F
G
D E C B A
H
R114
33
IC401
AN8746SA-E1
COIL & MOTOR DRIVE
A B D C
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 29 30 31 32
PV
CC
1
V
CC
MON FI1 RI1 RO1 PGND1 FO1 FO2 PGND2 RO2 RI2 FI2 GND NC PV
CC
2
PV
CC
4
AC
PC
FI4 RI4
RO4
PGND4
FO4 FO3
PGND3
RO3
RI3 FI3
VGI
VGO
PV
CC
3
A B C D
1 2 3 4 6 5
TRAVERSE
MOTOR
S202
(REST SWITCH)
M M
SPINDLE
MOTOR
A B C D
A B C D E
F I H G
C402
1
C405
1
C403
1
C404
1
C401
0.1
CN401
CN301
SCHEMATIC DIAGRAM-1
R333 100K
R309 390K
R326 270K
R322 100K
R334 220K
R323 220K
R325 220K
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located
on the left corner in the schematic diagram.
K
VREF
Y
C41
1
0.1
C410
1
S304
(PREV )
OPERATION LCD UNIT
EXCEPT
SL-VP33
:POSITIVE VOLTAGE LINE
:CD-DA/VCD(AUDIO & VIDEO) SIGNAL LINE
3.2V
3V
3.2V
3.2V
0V 0V
(2.9V)
1.4V 1.7V 0.7V 0.8V
(1.4V)
2.7V
(2.4V)
0V
(0.2V)
1.5V 1.5V 3.2V 1.5V 1.5V
1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 0V 0V 0V 2.9V
(0V)
3V 0V 0V 0V
(0.2V)
0V 0V
(0.5V)
0V 0V 0V
(0.5V)
0V
3.2V
3V
3V 6V 7V 0V 0V 0V 0V 0V 0V 0V 2.9V 3.2V 3.2V 3V
(1.3V)
(0.5V) (0.5V)
PLAY
0.6V
P-P
2ms. 0.2V/DIV.
PLAY
2ms. 10mV/DIV.
20mV
P-P
3.2V
2.7V
(2.4V)
1V (1.8V)
0.5 s. 0.2V/DIV.
PLAY
0.7V
P-P