Panasonic WJ-SX550B Simplified Service Manual ▷ View 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
YWA1AA0272A4
Binding Head Tapping Screws
XSB5+8FN
Binding Head Screws
XSB3+12FN
Binding Head Screws
XSB4+8FN
Binding Head Screws
XWC4BFN
Outer Toothed Lock Washers
XTW3+8LFX
Cup Head Tapping Screws
XSB3+6FN
Binding Head Screws
XSB4+16FX
Binding Head Screws
XSB3+6FX
Binding Head Screws
XWC3BFN
Outer Toothed Lock Washers
XYN3+J16FX
Pan Head Screw and Washer Ass'y
XYN3+J8FX
Pan Head Screw and Washer Ass'y
XSB26+4FN
Binding Head Screws
XTN3+8CFN
Pan Head Tapping Screws
XSS5+10FN
Flush Head Screws
XWE6FN
Small Round Plain Washers
XTB3+6FFX
Binding Head Tapping Screws
XSN26+6FN
Pan Head Screws
XYN4+J8FN
Pan Head Screw and Washer Ass'y
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Screws
No.
Description
Numbers show screws, washers, nuts and etc.
PACKAGING
M3
M1
M2
E11
M3
M33
E12
M37
M27
M36
M32
M13
CF101
M12
M29
M5
M52
M10
M4
M36
PCB2
M20
M16
M16
M19
M11
PCB3
M55
M55
PCB4
PCB8
PCB7
M35
M41
M41
M41
M41
Earth Lug
M28
M28
M28
M28
M28
M28
M28
M16
M15
M58
M59
M36
M41
M28
M65
M62
M65
M60,M61
M61,M64,M66
M65
Bar Code Label
Serial No. Label
M65
M63
M65
M28
M40
M42
M56
M56
M42
M42
M41
M41
M8
M9
M41
M16
M44
M45
M12
M38
MO2
M21
M22
M30
F1
M22
MO1
PCB1
CN101
M54
M28
M53
M14
M6
M24
Serial No. Label
E101
M25
M26
M23
M43
Earth Lug
M31
PCB5
M17
M18
M4
M5
PCB6
WJ-SX550B
11
11
1
12
9
12
9
1
1
6
1
1
5
4
1
15
1
8
4
4
2
15
16
16
16
16
1
2
4
7
7
5
4
10
10
6
5
19
17
17
17
17
10
14
10
13
13
10
13
10
13
18
10
13
10
13
14
10
13
10
13
1
1
1
1
1
1
3
3
1
M36
M36
M36
CF102
4
1
1
M55
M56
for
WJ-SX550B/G
WJ-SX550B/G
EXPLODED VIEW
– 11 –
– 12 –
IC2
YWV5504ARA1
ROM Assy for Video Output Board
IC5
JX55BSA101
ROM Assy for CPU Board
IC11
YWJX550ARB1
ROM Assy for Control Board
CF101,102
TRCN16813
Filter
CN101 Y YWVAR2
Power Cable Connector
F101
XBA2C25ET0A
Current Fuse for Power Switch Board
MO1,2
YWFBA06A12LD
Fan Motor
E101 Y YWACF250G
AC Power Cable for WJ-SX550B/G
Y YWGBSXBS
AC Power Cable for WJ-SX550B/B
BI101
YWSX550E4
Cable Assy for Power Board CN3, CN4
and Fan Motor MO1, MO2
and Fan Motor MO1, MO2
BI102
GN310L9
Wire Assy for Power Board CN2 and
Mother Board CN31
Mother Board CN31
M1
V5WF1632A2
Front Panel
M2
YWA2EC0027A3
LED Guide
M3
YWTL181N0005
Screw Set (x4)
M4
YWTHA31N06A
Handle (x2)
M5
YWV5PA0103A3
Rack Bracket (x2)
M6
YWV5EA1371A3
Upper Cover
M8
V2SA2705B3
Mounting Angle for Blank Panel (Upper)
M9
V2SA2706B3
Mounting Angle for Blank Panel (Lower)
M10
V5EA1370C1
Left Side Cover
M11
V5EA1369C1
RIght Side Cover
M12
YW2U46
Cord Clamp (x3)
M13
YWEDS1
Edge Saddle
M14
YWV2KA0902A1
Upper Chassis
M15
V2CA0392A3
Mounting Plate for Rear Side (Upper)
M16 Y
V2EA0222A2
Guide (x6)
M17
V2KA0900B1
Main Chassis
M18
YWS-WB03
Rubber Foot (x4)
M19
V2CA0393A3
Mounting Plate for Rear Side (Lower)
M20
V2SA2702A4
Mounting Angle for LED Board
M21
V2SA2704A3
Mounting Angle for Fan Motor
M22
UAMS-07-V0
Cord Clamp (x3)
M23
V2KA0904B2
Power Supply Chassis
M24
YWA5RG0141A3
Power Switch Knob
M25
YWA5DB0020A3
Switch Guard
M26 Y
YWSR5N4
Cord Clamp
M28
YWV1EA0285A4
Special Screw (x2)
M29
V2KA0901A1
Front Chassis
M30
YWA3CA0052A4
LED Holder
M31
YWLH58
LED Spacer
M38
V2SA2707A4
Mounting Angle for Power Switch
M52 Y
V7QA5513A4
Main Label for WJ-SX550B/G
Y V7QA5512A4
Main Label for WJ-SX550B/B
M53 Y YWA7SA0689A4
Earth Mark Label
M54 Y YWV7MA0471A4
Fuse Rated Label
M58
YWV5WA2128A3
Blank Panel for 3 Slots (x3)
M59
YWV5WA1638A3
Blank Panel for 1 Slot (x2)
PCB1 (RTL)
YWJKBX550P1A
Printed Circuit Board Assy
LED1-3
B3ABA0000305
LED
R1
ERDS2TJ911
Carbon
910 ohms 1/4W
R2,3
ERDS2TJ471
Carbon
470 ohms 1/4W
SW1 Y YWSDDFA3
Power Switch
CN1 Y YWB2P3SVH
2-pin Connector
E101 Y YWF105
Fuse Holder
BI1 Y YWSX550E2
Wire Assy for E1, E2 and Power Board CN1
BI2
YWSX550E5
Wire Assy for E102 and Power Board CN103
PCB2 (RTL)
YWJKCX550P1A
Printed Circuit Board Assy
LED4
LN320GP
Operate Indicator LED
R4
ERDS2TJ471
Carbon
470 ohms 1/4W
BI3
YWSX550E3
Wire Assy for E103 and Power Board
CN104
CN104
PCB3 (RTL)
YWJX550EKZ1A
Printed Circuit Board Assy
IC1
YWTC74HC05AF
IC
IC2
YWTL7705CPB
IC
IC3
YW68301AFR16
IC
IC6,7
HM628128BFP7
LSI
IC8
YWMCHC04AE
IC
IC9
YWMCHC32AE
IC
IC10
YWMCHC04AE
IC
IC11
YWMCHC00AE
IC
IC12
YWMC74HC10F
IC
REF. NO.
PART NO.
DESCRIPTION
REF. NO.
PART NO.
DESCRIPTION
REPLACEMENT PARTS LIST
Important Notice
1.
Components identified by "
Y
" mark have special characteristics important for safety.
When replacing any of these components, use only manufacturer's specified parts.
2.
RTL : Retention Time Limited (No longer available after discontinuing product).
MISCELLANEOUS
POWER SWITCH BOARD
LED BOARD
CPU BOARD
– 13 –
IC13
YWMC74HC133F
IC
IC14-16
MCHC138AE
IC
IC17
MC74HC164AF
IC
IC19
YWMCHC32AE
IC
IC20
YWMSM62X42BR
IC
IC21
YWYGV604
IC
IC23,24
C3HBHC000003
IC
IC25
YWCXA1645M
IC
IC29
YWM66500FP
IC
IC30
MC74HC540AF
IC
IC31
C1DB00000053
IC
IC32,33
TC74HCT541AF
IC
IC35
MC74HC4538AF
IC
IC36
C0JBAR000054
IC
IC38
MC74HC245AF
IC
IC39-41
YWMCHC244AE
IC
IC43,44
YWMCHC244AE
IC
IC45
YWMCHC08AE
IC
IC46
MCHC138AE
IC
IC47
YWMCHC244AE
IC
IC48
YWMCHC00AE
IC
IC49
YWMCHC08AE
IC
IC50,51
C1AB00000162
IC
IC52
TC5081AP
IC
IC53
YWMCHC00AE
IC
IC55
MN676021PPS
IC
IC56
YWMCHC244AE
IC
Q2,3
B1ABCC000003
Transistor
Q4
B1GFCFAA0004
Transistor
Q5,6
B1ABCC000003
Transistor
Q7
B1GFCFAA0004
Transistor
Q8,9
B1ADCC000005
Transistor
Q10
B1ABCC000003
Transistor
Q11
B1ADCC000005
Transistor
Q12
B1GBCFJJ0006
Transistor
Q13-16
B1ABCC000003
Transistor
Q17
B1CBCE000002
FET
Q18
B1ADCC000005
Transistor
Q19-21
B1ABCC000003
Transistor
D1-3
MA723
Diode
D4-11
LN1261CTR
LED
D12-17
DAN212K-T47
Diode
D18,19
YWHVU359TRF
Diode
D30,31
DAN601
Diode
D32,33
DAP601
Diode
Z1-7
EXBV8V103JV
Block Resistor
Z8
EXBV8V102J
Block Resistor
Z9-18
EXBV8V103JV
Block Resistor
Z19
EXBV8V102J
Block Resistor
Z20-24
EXBV8V103JV
Block Resistor
R1,2
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R3,4
D0GD222JA003
Carbon
2.2K ohms 1/10W
R5-8
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R9
ERJ6GEYJ101V
Carbon
100 ohms 1/10W
R10,11
ERJ6GEYJ102V
Carbon
1K ohms 1/10W
R12-15
D0GD222JA003
Carbon
2.2K ohms 1/10W
R16
ERJ6GEYJ111
Carbon
110 ohms 1/10W
R17
YF2116271JT
Carbon
270 ohms 1/10W
R18-20
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R21
RRJ6GEYJ104V
Carbon
100K ohms 1/10W
R23-27
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R28-30
ERJ6GEYJ560V
Carbon
56 ohms 1/10W
R31-33
RRJ6GEYJ471V
Carbon
470 ohms 1/10W
R34-36
ERJ6GEYJ750V
Carbon
75 ohms 1/10W
R37
YFR1220P222D
Metal
2.2K ohms 1/10W
R38
YWR1220P622D
Metal
6.2K ohms 1/10W
R43
YWR1220P473D
Metal
47K ohms 1/10W
R61-64
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R65
ERJ6GEYJ101V
Carbon
100 ohms 1/10W
R66
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R67,68
ERJ6GEYJ562V
Carbon
5.6K ohms 1/10W
R69
RRJ6GEYJ332V
Carbon
3.3K ohms 1/10W
R70
ERJ6GEYJ223V
Carbon
22K ohms 1/10W
R71,72
D0GD222JA003
Carbon
2.2K ohms 1/10W
R73
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R74,75
ERJ6GEYJ105V
Carbon
1M ohms 1/10W
R76
YF21162R2JT
Carbon
2.2 ohms 1/10W
R77
ERJ6GEYJ680V
Carbon
68 ohms 1/10W
R78
YF21162R2JT
Carbon
2.2 ohms 1/10W
R79
ERJ6GEY0R00
Carbon
0 ohm 1/10W
R80
ERJ6GEYJ272V
Carbon
2.7K ohms 1/10W
R81,82
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R83
ERJ6GEYJ223V
Carbon
22K ohms 1/10W
R84
ERJ6GEYJ472V
Carbon
4.7K ohms 1/10W
R85
D0GD222JA003
Carbon
2.2K ohms 1/10W
R86
ERJ6GEYJ242V
Carbon
2.4K ohms 1/10W
R87,88
D0GD222JA003
Carbon
2.2K ohms 1/10W
R89
RRJ6GEYJ332V
Carbon
3.3K ohms 1/10W
R90
ERJ6GEYJ223V
Carbon
22K ohms 1/10W
R91
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R92
D0GD222JA003
Carbon
2.2K ohms 1/10W
R93
ERJ6GEYJ152V
Carbon
1.5K ohms 1/10W
R94
RRJ6GEYJ681V
Carbon
680 ohms 1/10W
R95
ERJ6GEYJ682V
Carbon
6.8K ohms 1/10W
R96
D0GD222JA003
Carbon
2.2K ohms 1/10W
R97-100
RRJ6GEYJ220V
Carbon
22 ohms 1/10W
R101
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R102,103
RRJ6GEYJ220V
Carbon
22 ohms 1/10W
R104
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R105
D0GD222JA003
Carbon
2.2K ohms 1/10W
R106
ERJ6GEYJ750V
Carbon
75 ohms 1/10W
R108
ERJ6GEYJ100V
Carbon
10 ohms 1/10W
R109
YF21162R2JT
Carbon
2.2 ohms 1/10W
R110
ERJ6GEYJ562V
Carbon
5.6K ohms 1/10W
R111,112
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R113
RRJ6GEYJ331V
Carbon
330 ohms 1/10W
R114,115
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R116
RRJ6GEYJ104V
Carbon
100K ohms 1/10W
R117-120
ERJ6GEYJ103V
Carbon
10K ohms 1/10W
R121
RRJ6GEYJ331V
Carbon
330 ohms 1/10W
REF. NO.
PART NO.
DESCRIPTION
REF. NO.
PART NO.
DESCRIPTION
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