Read Panasonic WJ-SX550B Service Manual Simplified online
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1
2
3
1
2
3
–
+
+
FG
1
2
3
4
5,6
VCC
OUT
CS
CT
IN(
–)
IS(+)
GND
FB
1
2
3
4
5
6
7
8
1
2
3
P28
P18
P2A
P1A
P28
P18
P2A
P1A
P4
P3
P2C
P1C
2
1
3
3
2
1
3
3
2
3
1
1
3
1
2
S1
S3
S4
S6
V1
V2
W1
P1A
P2A
P1B
S2A
S2B
S2C
VR1
+5V ADJ
+5V ADJ
VR2
+9V ADJ
+9V ADJ
T1
POWER
TRANSFORMER
POWER
TRANSFORMER
SW1
POWER SWITCH
POWER SWITCH
VS1
R1 1M 1/2W
C1 0.22/250
L1
C3
0.0033/400
C4
0.0033/400
C2 0.22/250
L2
D1
R33
22 10W
C32
330/400
C5 0.0033/400
C11 390P
C36 33/50
R13 430
C13 0.01
R11 3K
D8
(1/2)
R16 6.8K
R14 180
R17
15M 1/2W
C6
0.0033/400
C7
0.0033/400
L5
Q1
TH1
D5
C10 0.39
R8 22K
R12 22
D7
Q2
R9 47K
D4
R10 270K
R5 270K
R32 270K
R6 20K 2W
R7
20K 2W
C33 0.1
C12 0.47
C16 27/50
C31 0.22/250
D16
C9
1/400
D15
C8
330/400
D3
D2
D18 OPEN
R3 0.47 3W
R2 220 2W
C14 330P/2K
C15 330P/2K
L3 0.62
D6
L11 0.62
C21
2200/10
C22
2200/10
C19
1000/25
C20
1000/25
Q7
R31 22
D17
L8 33
L7 33
C23
1000/10
C24
1000/10
TP2
(+5V)
TP3
(+5V)
C38
1000/25
TP1
(+9V)
L4 33
C34
470/10
L9 22
C28 470/16
R30
10 1W
TP4
(–5V)
C25
1500/16
C26 0.1
C27
470/10
Q5
R25 220 2W
D12
D13
D14
R35 220
C17 0.022
R26 470
R27 470
C18 470
IC2
VR2 470
R28 5.6K
R29 2K
VR1 1K
R24 7.5K
R23 6.8K
IC4
R22 5.6K
C30 0.1
R21 1K
R20 47
D8
(2/2)
Q6
R18 22K
C29 22/50
R19 OPEN
TP5
(GND)
F.G.
GND
GND
CN1
R34 470
CN103
CN2
CN3
CN4
CN104
E103
R4 470
LED4
E102
R3
470
LED1
LED1 +9V
LED2 +5V
LED3 –5V
LED2 +5V
LED3 –5V
R2
470
R1
910
LED2
LED3
SW1
E2
E1
E101
CN1
CN101
L13
L14
IC1
IC5
L6
L10
D10
L15
L16
D11
D9
IC3
R37 82K
J43
R36 10K
T1
L12 12
R4 270K
1
2
–
+
4
3
4
3
GND
-5V
2
1
+5V
+9V
5
4
1
2
2
AC IN L
AC IN N
AC IN N
2
1
1
POWER LED+5V
GND
GND
5
6
GND
+5VA
7
8
GND
+5V
4
–5VA
3
GND
2
+9VA
1
GND
2
1
1
FAN+5V
FAN–5V+
FAN–5V+
α
2
1
1
FAN+5V
FAN–5V+
FAN–5V+
α
1
2
To
MOTHER
BOARD
. . . . CN31
MOTHER
BOARD
. . . . CN31
To
FAN MOTOR
FAN MOTOR
To
FAN MOTOR
FAN MOTOR
2
1
POWER LED+5V
GND
GND
LED4 OPERATE
2
+9V
1
3
–5V
4
GND
+5V
1
2
2
L
N
N
AC 220-240V 50Hz
F1
L
N
N
1
2
2
POWER BOARD
LED BOARD
POWER SWITCH BOARD
1
A
B
C
2
3
4
5
6
< INDEX >
POWER BOARD
POWER BOARD
IC1
A2/A3/B2/B3
IC2
A5
IC3
B5
IC4
A5
IC5
B3
Q1
B3
Q2
B2/B3
Q5
B5
Q6
A4
Q7
B6
< INDEX >
POWER SWITCH BOARD
POWER SWITCH BOARD
LED1
C3
LED2
C3
LED3
C3
< INDEX >
LED BOARD
LED BOARD
LED4
C6
D1
B2
D2
B3
D3
B3
D4
B2
D5
B2
D6
B4
D7
B3
D8
A3,A4
D9
C4
D10
B4
D11
B4
D12
B5
D13
A5
D14
A5
D15
B3
D16
B2
D17
B6
Important safety notice
Components Identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacturer's specified parts.
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
~
~
Y
Y
2.5A 250V
– 10 –
SCHEMATIC DIAGRAM OF POWER BOARD / POWER SWITCH BOARD / LED BOARD
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