Panasonic SA-PM250EB / SA-PM250EC / SA-PM250EE / SA-PM250EF / SA-PM250EG (serv.man2) Service Manual ▷ View online
53
13.8. PANEL, VOLUME & BUTTON 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
D
PANEL CIRCUIT
F
BUTTON CIRCUIT
S
CHEMATIC DIAGRAM - 7
E
VOLUME CIRCUIT
SA
-PM250EB/EC/EE/EF/EG PANEL / VOLUME / BUTTON
CIRCUIT
: +B SIGNAL LINE
B
TO
MAIN (DAMP)
CIRCUIT (
MAIN (DAMP)
CIRCUIT (
CN8001
)
IN SCHEMATIC
DIAGRAM - 4
DIAGRAM - 4
V
R900
V
OLUME
3
2
1
S
EG30
S
EG31
S
EG
22
S
EG
2
5
S
EG
2
4
S
EG
27
S
EG
2
9
S
EG
2
8
S
EG
26
S
EG
2
3
S
EG8
COM
2
S
EG11
S
EG9
S
EG10
COM1
S
EG3
S
EG0
S
EG
2
S
EG1
S
EG5
S
EG
7
S
EG
6
S
EG4
COM3
R935
S
EG
22
S
EG
2
3
S
EG1
7
S
EG18
S
EG1
6
S
EG
2
1
S
EG19
S
EG
2
0
S
EG30
S
EG
26
S
EG
2
5
S
EG
27
S
EG31
S
EG
2
4
S
EG
2
9
S
EG
2
8
S
EG13
S
EG14
S
EG1
2
S
EG15
B3AFA0000131
D993
R933
R901
R905
R906
R903
C90
2
C901
S
EG1
S
EG5
S
EG3
S
EG
2
S
EG4
S
EG8
S
EG10
S
EG9
S
EG
6
S
EG
7
S
EG0
C905
C904
C907
COM0
B1GBCFJN0038
LED DRIVER
Q900
2
1
5
6
3
1
2
4
19
9
7
8
16
17
11
10
12
15 14 13
18
2
0
35
37
42
44
43
39
38
41
40
36
33
22
31
2
9
27
2
4
2
3
26
2
5
2
8
30
32
34
IC900
C0HBA0000268
LCD DRIVER
R908
J0JHC0000118
LB901
J0JHC0000118
J0JHC0000118
LB903
7
9
11
10
12
8
2
3
1
5
6
4
13
CN900
LB900
J0JBC0000019
R942
0
R941
0
R940
0
LB902
0.1
C994
0.1
C995
0.1
C993
COM1
COM0
S
EG19
S
EG18
COM
2
COM3
S
EG21
S
EG20
R920
C922
G2
2
1
3
G1
IR921
B3RAB0000110
REMOTE SENSOR
R934
32
30
7
8
4
5
1
2
3
6
16
2
1
2
0
2
3
22
18
19
2
8
27
2
9
2
5
2
4
26
17
11
9
10
13
15
14
12
31
34
36
35
33
L5AYAYY00061
LCD
Z900
2
1
4
3
ZJ901*
S
EG16
S
EG15
S
EG17
S
EG12
S
EG11
S
EG14
S
EG13
JOG
DGND
A
9V
KEY2
KEY1
PWRGND
COM0
COM1
S
EG20
S
EG19
[11] COM2
S
EG
2
9
COM3
S
EG30
560
S
EG31
S
EG
2
4
S
EG
2
5
S
EG21
S
EG
2
3
S
EG
27
S
EG
2
8
S
EG
26
330
S
EG17
S
EG16
[22] SEG22
S
EG18
0.01
V
LCD
BZ
V
DD
S
EG
2
0
S
EG
2
1
S
EG
22
S
EG
2
3
S
EG
2
4
S
EG15
S
EG1
6
S
EG1
7
S
EG18
S
EG19
S
EG30
S
EG31
S
EG3
2
S
EG
2
5
S
EG
26
S
EG
27
S
EG
2
8
S
EG
2
9
DGND
COM1
COM0
47
S
EG5
S
EG
6
S
EG
7
S
EG8
S
EG9
COM3
S
EG1
S
EG
2
S
EG3
S
EG4
COM
2
OUT
100
1000P
V
REF
S
EG10
S
EG11
S
EG1
2
S
EG13
S
EG14
REM_IN
S
TDBY3.3V
DIMMER
1K
100P
22
0P
1000P
22
0P
KEY2
PWRGND
KEY1
JOG
D3.3V
S
EG13
S
EG12
S
EG14
S
EG15
[34] SEG10
[1] CS
RD
WR
100
DATA
100
15K
VSS
S
EG1
S
EG
2
S
EG4
S
EG11
S
EG9
S
EG
7
S
EG8
S
EG
6
S
EG5
S
EG3
470
S
EG0
LCD_WR
LCD_CE
LCD_DI
R911
R910
R904
S
906
2
1
4
3
ZJ902*
S
905
S
904
S
900
R900
C908
C906
R912
R924
R923
1
3
2
ZJ903*
S
910
S
907
S
909
PWRGND
S
ELECTOR
JOG
REW/-
S
TOP
FF/+
2
.2K
3.9K
6
.8K
3.9K
POWER
KEY2
KEY1
KEY2
NC
PWRGND
EJECT
100P
100P
18K
12K
PLAY/PAUSE
22
K
1
3
2
ZJ904*
S
903
S
901
R907
S
902
R909
R902
PWRGND
NC
KEY2
3.9K
BASS
6
.8K
TREBLE
18K
BT PAIRING
54
13.9. SMPS 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
G
SMPS CIRCUIT
S
CHEMATIC DIAGRAM - 8
SA
-PM250EB/EC/EE/EF/EG
SMPS CIRCUIT
B
TO
MAIN (SUPPLY)
CIRCUIT (
MAIN (SUPPLY)
CIRCUIT (
CN1100
)
IN SCHEMATIC
DIAGRAM - 3
DIAGRAM - 3
NOTE: “ * ” REF IS FOR INDICATION ONLY
: +B SIGNAL LINE
C1710
470P
1
2
3
11
10
12
6
5
8
7
9
T1700
G4DYZ0000077
TRANSFORMER
3
2
1
ZJ1701
C1701
50V10
50V10
L1700
G1C100K00019
4.7
R1700
DA22F2100L
D1708
B0EAKT000063
D1703
P1751
K1700*
Z1752
D4EAY511A182
C1725
0.1
3
2
4
1
L1702
G0B922G00002
T2A 250V
F1700
C1706
400V82
R1724
R1726
C1702
0.22
4
3
1
2
D1701
B0EDLR000001
C1728
C1727
1000P
1000P
K1701*
C1705
4700P
4700P
R1708
22
33K
R1704
6
.8K
R1702
0.22
R1718
C1708
1000P
1000P
C1740
0.1
C1720
10P
C1700
390P
6
7
5
2
4
3
8
1
C0DACYY00012
S
WITCHING REGULATOR
IC1700
C1712
0.1
0.1
C1715
PC1702
B3PBA0000579
4
3
1
2
R1701
1.5K
3
1
2
D1700
B0ABSM000008
C1703
2
5V1000
3.3K
R1703
R1705
10K
QR1700
B1GBCFJJ0041
S
TANDBY CONTROL
R1728
8.2K
R1710
47K
10K
R1711
R1727
100K
R1725
22
K
R1740
J0JYC0000656
R1
7
39
J0JYC0000
6
5
6
C1716
0.01
3
2
1
ZJ1702
C1704
1000P
1000P
6
.8K
R1730
Q1700
B1ABGC000001
PCONT
R1729
22
R1707
3.9K
C1714
0.1
0.4
7
C1
7
19
22
K
R1706
DSA500100L
S
WITCH
Q1701
390K
R1716
1
4
2
3
IC1701
C0DBZMC00006
S
HUNT REGULATOR
R1717
1.2K
C1709
0.1
A
C IN
22
0V ~ 240V 50Hz
1M
1M
D
GND
V
CC
D
FB/OLP
D
D
S
/OCP
R1733
10K
R1736
0
R1732
47K
C1739
390P
10
R1735
0.1
C1736
L1703
G0A100H00018
C1733
0.1
LB1700
J0JGC0000063
10
C1737
C1738
0.1
0
R1731
C1732
C1731
16V22
16V22
6
7
T1
5
2
4
3
8
THERM
A
L P
A
D
1
C0DBAYY01996
+5.2V VOLTAGE REGULATOR
IC1702
R1737
J0JGC0000063
R1738
J0JYC0000656
6
8
9
7
2
1
4
5
3
10
P1700
FB
V
IN
EN
DGND
PCONT
16VGND
5.2V
16V
16V
16VGND
BURST SW
PCONT3
REGION
GND
S
W
(VOUT)
22
COMP
SS
BOOT
55
14 Printed Circuit Board
14.1. CD INTERFACE & TUNER P.C.B.
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
SA-PM250EG/EC/EF/EB/EE
CD INTERFACE / TUNER P.C.B.
NOTE: " * " REF IS FOR INDICATION ONLY
A
CD INTERFACE P.C.B. (REP5071A)
C
TUNER P.C.B. (REP5069AB)
3772A
3772A
3734AB
3734AB
3734AB
3734AB
PbF
PbF
PbF
S7200
S7201
(RESET)
CN7002
M7301*
(TRAVERSE MOTOR)
(SPINDLE MOTOR)
M7302*
C51
C68
LB51
L51
L54
R60
R64
C69
CN51
C61
C62
C65
C66
C67
IC52
JK51
LB52
R51
R52
R52
R55
R56
R57
R59
VA51
R65
R66
R80
(SIDE A)
(SIDE B)
FM ANT
2
4
3
1
2
4
3
1
2
1
1
2
1
2
7
6
5
3
4
1
3
2
8
9
6
7
4
5
20
16
15
11
10
6
5
1
1
56
14.2. MAIN P.C.B. (Side A)
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
SA-PM250EG/EC/EF/EB/EE
MAIN P.C.B.
NOTE: " * " REF IS FOR INDICATION ONLY
B
MAIN P.C.B. (REP5069AA)
3734AA
3734AA
PbF
W1
C450
C403
C409
C1125
D1100
C8150
LB8109
C1184
C1185
C1186
C1188
QR1102
D1105
R8208
C8014
R8052
R8051
R8045
R8041
R8029
R8005
IC8004
IC5001
C8033
C8032
C8031
C8031
C8030
C8029
C8026
C8025
C8023
C8022
C8021
C8020
C8019
C8018
C8017
C8015
C8013
C8009
R8114
C8007
C8005
C8006
C8003
C8002
C8001
R8085
R8084
R8084
R5008
LB8008
R8067
LB8004
R8066
LB8003
LB8002
LB8001
LB8000
C6012
C6013
LB5001
Q8000
R8209
LB8103
LB8105
LB8104
R437
R436
R435
R434
R8210
LB5003
C5009
C5010
LB1110
LB1112
LB8110
LB8111
LB8114
LB1109
LB8102
LB8107
R5009
C5012
R5010
C5001
C5025
R8221
R8220
R8222
R1149
C8004
C8253
C5032
R5044
C8064
R6006
(SIDE A)
1
4
5
8
30
29
28
22
21
15
8
14
7
1
1
4
3
6
B
C
E
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