Panasonic SA-PM250GS, Service Manual

Page: 18 / 27

18
6.5. MAIN (CD MOTOR DRIVER) CIRCUIT
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
B
MAIN (CD MOTOR DRIVER) CIRCUIT
SCHEMATIC DIAGRAM - 5
SA-PM250GS/GSX/GT MAIN (CD MOTOR DRIVER) CIRCUIT
A
TO
CD INTERFACE
CIRCUIT (
CN7002 )
IN SCHEMATIC
DIAGRAM - 1
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
SU: MAIN (SUPPLY): SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
OPTICAL PICKUP UNIT
1
7
R5008
100
3.3K R5037
R5014
0
R5015 0
R5017 0
R5012 0
0
R5043
MOTORGND
A
F
C
B
D
DGND
PW_D3R3V
0.1
C5029
0.1
C5031
LDO
VBIAS
E
INNER_SW
OPEN_SW
TRDRV
SPDRV
PW_5V
LOADING
FODRV
TRVDRV
R5011 6.8K
4700P
C5022
0.1
C5032
R5016 100K
R5018
R5022
1K
15K
R5013 47K
68P
C5024
MD
F+
F-
TRV-
TRV+
J0JGC0000063
LB5003
10
C5009
C5010
0.01
T- SPM- SPM+ T+
R5010
1K
1000P C5012
0.1
C5011
10V10
C5019
1.2K
R5009
2 1
27
5
24 25 22 17 19 18 15 16 30 20 21
7 11 10 13 14 12 8 29 9
23
6 3 4
26 28
IC5001
C0GBY0000213
5CH MOTOR DRIVER
2.2M
R5038
R5036
0
R5007
0
LB5002
J0JYC0000656
C5027
10
0.1 C5028
0.01 C5002
C5025 10
C5001 10
0.01
C5026
J0JYC0000656
LB5001
FWD
REGO1
REV
TRB_1
REGO2 VINSL+
VOSL-
VOSL+ VOFC+
VOFC-
VCC
FIN
VOTR-
VOTR+
VINFC
NC BIAS PVCC FIN GND NC VCTL VOLD+ VINLD VINTK TRB_2 VOLD- VOTK+ VOTK- MUTE
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
SU
SU
SU
SU
4
5
1
3
2
7
6
CN5001
F+
F-
T+
R5031
0
R5030 0
SPM-
TRV-
TRV+
SPM+
T- R5033
0
R5032
0
J0JYC0000656 LB5010
J0JYC0000656 LB5006
LB5005 J0JYC0000656
LB5008 J0JYC0000656
LB5007 J0JYC0000656
J0JYC0000656 LB5009
R5019
4.7
Q5002
B1ADCF000001
LASER DRIVE
R5020
100K 0.1
C5021 R5021
4.7
6
7
5
9
13
15
14
11
10
12
21
22
18
16
17
20
19
8
1
3
4
2
24
23
CN5002
0.1
C5020
C5018
0.01
TRV-
TRV+
SPM-
SPM+
OPEN_SW
RESET_SW
MOTORGND
NC
GND
NC
NC
CD-LD
DVD-LD
MD/LPD
GND-LD
F
E
C
A
B
D
RF
VREF
F+
T+
F-
T-
NC
PD GND
VCC(5V)
CD/DVD SW
J0JYG0000063
LB5004