Sony HT-CT550W / SA-WCT550W Service Manual ▷ View online
21
SA-WCT550W
4-2. AMP SECTION
51
A-1801-948-A SUB MAIN BOARD, COMPLETE
52
4-208-360-01 CARD, SLOT (WLK4)
53
3-077-331-11 +BV3
(3-CR)
54
A-1801-953-A POWER BOARD, COMPLETE (US, CND, TW)
54
A-1801-954-A POWER BOARD, COMPLETE (AEP, UK)
55
4-262-481-01 BUTTON
(l/1)
0 56
1-834-270-11 CORD, POWER (US, CND)
0 56
1-834-966-41 POWER-SUPPLY CORD (AEP, UK)
0 56
1-837-345-11 CORD, POWER-SUPPLY (TW)
57
4-966-267-12 BUSHING (FBS001), CORD
58
3-077-331-71 +BV3
(3-CR)
0 F900
1-533-453-12 FUSE, GLASS (DIA. 5) (5A/125V) (US, CND, TW)
0 F900
1-576-230-51 FUSE (H.B.C.) (T3.15AH/250V) (AEP, UK)
#2
7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
not supplied
not supplied
(PROTECTOR board)
(PROTECTOR board)
not supplied
(LED CONNECT board)
(LED CONNECT board)
#2
#2
#2
#2
58
not supplied
58
58
58
58
54
53
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
F900
(AEP, UK)
55
56
57
51
52
not supplied
(US, CND, TW)
Ver. 1.1
22
SA-WCT550W
SECTION 5
ELECTRICAL PARTS LIST
FRONT LED BOARD
***************
< CONNECTOR >
CN900
1-779-978-11 PIN, CONNECTOR 3P
< LED >
D900
6-503-415-01 LED SMLT12D16C-STP4
(LINK/STANDBY INDICATOR)
< RESISTOR >
R900 1-216-801-11 METAL
CHIP 22
5% 1/10W
R901 1-216-820-11 METAL
CHIP 820
5% 1/10W
************************************************************
LED CONNECT BOARD
******************
< CAPACITOR >
C710 1-162-970-11 CERAMIC
CHIP 0.01uF 10% 25V
< CONNECTOR >
CN910
1-774-730-21 PIN, CONNECTOR (PC BOARD) 3P
CN915
1-774-730-21 PIN, CONNECTOR (PC BOARD) 3P
************************************************************
A-1801-953-A POWER BOARD, COMPLETE (US, CND, TW)
A-1801-954-A POWER BOARD, COMPLETE (AEP, UK)
**********************
3-077-331-11 +BV3
(3-CR)
< CAPACITOR >
0 C900
1-165-529-11 MYLAR
0.22uF
10%
250V
(US, CND, TW)
0 C902
1-165-528-11 MYLAR
0.1uF
10%
250V
(AEP, UK)
(AEP, UK)
0 C903
1-112-870-51 CERAMIC
0.001uF
20%
250V
(US, CND, TW)
0 C904
1-112-869-51 CERAMIC
470PF
10%
250V
(AEP, UK)
(AEP, UK)
0 C905
1-112-870-51 CERAMIC
0.001uF
20%
250V
(US, CND, TW)
0 C906
1-112-869-51 CERAMIC
470PF
10%
250V
(AEP, UK)
(AEP, UK)
0 C907
1-112-866-51 CERAMIC
100PF
10%
250V
(US, CND, TW)
0 C907
1-112-869-51 CERAMIC
470PF
10%
250V
(AEP, UK)
(AEP, UK)
0 C911
1-116-393-21 FILM
0.0033uF 5%
400V
0 C914
1-107-932-91 ELECT
47uF
20%
100V
0 C916
1-162-968-91 CERAMIC CHIP 0.0047uF 10%
50V
0 C917
1-107-903-91 ELECT
2.2uF
20%
50V
0 C919
1-107-902-91 ELECT
1uF
20%
50V
0 C920
1-116-392-21 FILM
0.01uF
5%
400V
(US, CND, TW)
0 C921
1-116-393-21 FILM
0.0033uF 5%
400V
(AEP, UK)
(AEP, UK)
0 C922
1-125-893-11 FILM
680PF
3%
1.5KV
(AEP, UK)
(AEP, UK)
0 C923
1-117-631-11 FILM
3300PF
3%
1.2KV
(US, CND, TW)
0 C924
1-107-906-91 ELECT
10uF
20%
50V
0 C925
1-164-315-91 CERAMIC CHIP 470PF
5%
50V
0 C927
1-107-909-91 ELECT
47uF
20%
50V
0 C928
1-162-966-91 CERAMIC CHIP 0.0022uF 10%
50V
0 C929
1-100-152-91 CERAMIC CHIP 100PF
5%
100V
0 C930
1-162-970-91 CERAMIC CHIP 0.01uF
10%
25V
0 C931
1-162-970-91 CERAMIC CHIP 0.01uF
10%
25V
0 C932
1-114-868-11 CERAMIC CHIP 0.1uF
10%
50V
0 C935
1-100-922-11 ELECT
330uF
20%
200V
(US, CND, TW)
0 C936
1-100-923-11 ELECT
100uF
20%
450V
(AEP, UK)
(AEP, UK)
0 C937
1-165-528-11 MYLAR
0.1uF
10%
250V
C940 1-125-782-91 CERAMIC
4700PF 10% 1KV
C941 1-112-254-11 ELECT
1000uF 20% 35V
C943 1-100-756-91 CERAMIC
CHIP 0.047uF 10% 50V
C944 1-114-323-11 CERAMIC
CHIP 0.01uF 10% 50V
C946 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C947 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C951 1-112-222-11 ELECT
2200uF 20% 10V
C952 1-162-970-11 CERAMIC
CHIP 0.01uF 10% 25V
C953 1-100-756-91 CERAMIC
CHIP 0.047uF 10% 50V
C954 1-162-970-11 CERAMIC
CHIP 0.01uF 10% 25V
C960 1-100-597-91 CERAMIC
CHIP 0.1uF
10% 25V
< CONNECTOR >
0 CN900 1-564-321-11 PIN, CONNECTOR (3.96mm PITCH) 2P
CN901
1-691-770-11 PLUG (MICRO CONNECTOR) 8P
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
FRONT LED
LED CONNECT
POWER
When indicating parts by reference num-
ber, please include the board name.
ber, please include the board name.
Note:
• Due to standardization, replacements in
• Due to standardization, replacements in
the parts list may be different from the
parts specifi ed in the diagrams or the com-
ponents used on the set.
parts specifi ed in the diagrams or the com-
ponents used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• RESISTORS
All resistors are in ohms.
METAL:
All resistors are in ohms.
METAL:
Metal-fi lm resistor.
METAL OXIDE: Metal oxide-fi lm resistor.
F:
F:
nonfl ammable
• CAPACITORS
uF:
uF:
μF
• COILS
uH:
uH:
μH
• SEMICONDUCTORS
In each case, u: μ, for example:
uA.
In each case, u: μ, for example:
uA.
. :
μA. . , uPA. . , μPA. . ,
uPB.
.
:
μPB. . , uPC. . , μPC. . ,
uPD.
.
:
μPD. .
• Abbreviation
CND : Canadian model
TW :
CND : Canadian model
TW :
Taiwan
model
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
tant le numéro spécifi é.
Ver. 1.1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
SA-WCT550W
23
23
< DIODE >
0 D900
8-719-077-77 DIODE D3SB60F3
0 D901
8-719-052-31 DIODE D1NL40-TR2 (AEP, UK)
0 D901
8-719-063-74 DIODE D1NL20U-TR2 (US, CND, TW)
0 D902
6-502-961-01 DIODE DA2J10100L
0 D910
6-501-297-01 DIODE 1F6G
0 D911
8-719-063-74 DIODE D1NL20U-TR2
0 D912
6-503-022-01 DIODE DZ2J100M0L
0 D913
6-503-037-01 DIODE DZ2J24000L
0 D914
8-719-083-71 DIODE UDZSUSTE-1730B
0 D915
8-719-069-61 DIODE UDZSUSTE-1710B
0 D916
6-503-015-01 DIODE DZ2J051M0L
0 D920
6-500-241-01 DIODE SARS03
0 D922
6-503-034-01 DIODE DZ2J200M0L
0 D923
6-502-961-01 DIODE DA2J10100L
0 D924
8-719-052-31 DIODE D1NL40-TR2 (AEP, UK)
0 D924
8-719-063-74 DIODE D1NL20U-TR2 (US, CND, TW)
0 D925
6-502-961-01 DIODE DA2J10100L
0 D926
6-502-961-01 DIODE DA2J10100L
0 D927
8-719-069-56 DIODE UDZSUSTE-176.2B
0 D928
6-502-968-01 DIODE DZ2J062M0L
0 D929
6-502-961-01 DIODE DA2J10100L
0 D930
6-503-042-01 DIODE DZ2J330M0L
0 D931
6-502-970-01 DIODE DZ2J068M0L (AEP, UK)
0 D932
6-503-022-01 DIODE DZ2J100M0L
D940
6-501-849-01 DIODE FMX-22SL
D950
8-719-080-53 DIODE RK36LF-B3
< FUSE HOLDER >
FH900 1-533-223-51 FUSE
HOLDER
FH901 1-533-223-51 FUSE
HOLDER
< FUSIBLE RESISTOR >
0 FR910
1-246-373-11 FUSIBLE
1
10%
1/2W F
< IC >
0 IC910
6-713-934-01 IC STR-A6159M
0 IC920
6-706-347-01 IC STR-W6735N (US, CND, TW)
0 IC920
6-706-348-01 IC STR-W6765N (AEP, UK)
IC940
6-711-947-01 IC MM1431CURE
IC950
6-711-947-01 IC MM1431CURE
< LINE FILTER >
0 LF900
1-457-083-11 COIL, LINE FILTER (AEP, UK)
0 LF901
1-456-082-11 COIL, LINE FILTER (US, CND, TW)
< PHOTO COUPLER >
0 PC901
6-600-276-01 PHOTO COUPLER PS2561AL1-1-V-W
0 PC902
6-600-276-01 PHOTO COUPLER PS2561AL1-1-V-W
0 PC903
6-600-276-01 PHOTO COUPLER PS2561AL1-1-V-W
<
TRANSISTOR
>
0 Q901
8-729-231-15 TRANSISTOR
2SA1015TP-YGR
0 Q920
8-729-802-94 TRANSISTOR
2SD1388TP-4
0 Q921
8-729-038-42 TRANSISTOR
RT1N441M-TP-1
0 Q922
8-729-038-30 TRANSISTOR
RT1P141M-TP-1
0 Q923
8-729-056-46 TRANSISTOR
2SC5053T100Q
Q960 8-729-038-42 TRANSISTOR RT1N441M-TP-1
Q961 8-729-620-13 TRANSISTOR 2SC4154TP-1EF
Q961 8-729-620-13 TRANSISTOR 2SC4154TP-1EF
Q962 8-729-038-42 TRANSISTOR RT1N441M-TP-1
< RESISTOR >
0 R900
1-219-759-51 METAL
1M
5%
1/2W F
0 R901
1-216-797-91 METAL CHIP
10
5%
1/10W
0 R902
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R903
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R904
1-216-833-91 METAL CHIP
10K
5%
1/10W
0 R905
1-216-845-91 METAL CHIP
100K
5%
1/10W
0 R910
1-216-839-91 METAL CHIP
33K
5%
1/10W
0 R911
1-249-390-91 CARBON
5.6
5%
1/4W F
0 R913
1-215-904-51 METAL OXIDE
100K
5%
2W
F
0 R914
1-216-789-91 METAL CHIP
2.2
5%
1/10W
0 R915
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R916
1-216-855-91 METAL CHIP
680K
5%
1/10W
0 R920
1-216-809-91 METAL CHIP
100
5%
1/10W
0 R921
1-216-361-61 METAL OXIDE
0.22
5%
2W
F
(US, CND, TW)
0 R921
1-257-143-81 METAL
0.36
5%
2W
F
(AEP, UK)
0 R922
1-216-363-61 METAL OXIDE
0.33
5%
2W
F
(US, CND, TW)
0 R922
1-257-144-81 METAL
0.47
5%
2W
F
(AEP, UK)
0 R923
1-215-929-51 METAL OXIDE
100K
5%
3W
F
(US, CND, TW)
0 R923
1-216-492-51 METAL OXIDE
82K
5%
3W
F
(AEP, UK)
0 R924
1-249-401-91 CARBON
47
5%
1/4W F
0 R925
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R926
1-249-416-91 CARBON
820
5%
1/4W F
0 R927
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R928
1-216-864-91 SHORT CHIP
0 (US, CND, TW)
0 R929
1-216-821-91 METAL CHIP
1K
5%
1/10W
0 R930
1-216-821-91 METAL CHIP
1K
5%
1/10W
0 R931
1-216-829-91 METAL CHIP
4.7K
5%
1/10W
0 R932
1-216-843-91 METAL CHIP
68K
5%
1/10W
R940 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R941 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R942 1-216-853-11 METAL
CHIP 470K
5% 1/10W
R943 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R944 1-218-855-11 METAL
CHIP 2.2K
0.5% 1/10W
R945 1-216-809-11 METAL
CHIP 100
5% 1/10W
R946 1-218-881-11 METAL
CHIP 27K
0.5% 1/10W
R947 1-216-825-11 METAL
CHIP 2.2K
5% 1/10W
R949 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R950 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R951 1-216-817-11 METAL
CHIP 470
5% 1/10W
R953 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R955 1-218-861-11 METAL
CHIP 3.9K
0.5% 1/10W
R956 1-218-855-11 METAL
CHIP 2.2K
0.5% 1/10W
R957 1-218-839-11 METAL
CHIP 470
0.5% 1/10W
R959 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R960 1-216-827-11 METAL
CHIP 3.3K
5% 1/10W
R961 1-216-827-11 METAL
CHIP 3.3K
5% 1/10W
R962 1-216-837-11 METAL
CHIP 22K
5% 1/10W
R963 1-216-809-11 METAL
CHIP 100
5% 1/10W
<
TRANSFORMER
>
0 T901
1-445-781-11 CONVERTER TRANSFORMER
0 T902
1-443-996-11 TRANSFORMER, CONVERTER (AEP, UK)
POWER
Ver. 1.1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
SA-WCT550W
24
0 T902
1-443-997-11 TRANSFORMER, CONVERTER (US, CND, TW)
<
THERMISTOR
>
0 TH900
1-802-947-31 THERMISTOR, POWER
0 TH920
1-811-028-11 THERMISTOR, POSITIVE
< VARISTOR >
0 VDR900 1-802-839-11 VARISTOR
************************************************************
A-1801-948-A SUB MAIN BOARD, COMPLETE
************************
< CAPACITOR >
C05
1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C101 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C103 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C104 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C105 1-162-970-11 CERAMIC
CHIP 0.01uF 10% 25V
C106 1-114-320-11 CERAMIC
CHIP 0.22uF 10% 6.3V
C107 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C108 1-112-777-11 CERAMIC
CHIP 0.01uF 10% 25V
C109 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C110 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C114 1-112-778-11 CERAMIC
CHIP 0.022uF 10% 25V
C115 1-117-681-11 ELECT
CHIP 100uF 20% 16V
C116 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C118 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C119 1-137-765-21 ELECT
CHIP 47uF
20% 16V
C120 1-164-858-11 CERAMIC
CHIP 22PF
5% 50V
C122 1-162-970-11 CERAMIC
CHIP 0.01uF 10% 25V
C125 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C126 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C127 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C129 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C130 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C131 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C132 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C133 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C134 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C135 1-100-597-91 CERAMIC
CHIP 0.1uF
10% 25V
C136 1-114-869-11 CERAMIC
CHIP 2.2uF
10% 6.3V
C137 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C140 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C141 1-117-681-11 ELECT
CHIP 100uF 20% 16V
C148 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C152 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C155 1-100-909-11 CERAMIC
CHIP 10uF
10% 6.3V
C157 1-100-597-91 CERAMIC
CHIP 0.1uF
10% 25V
C158 1-165-908-11 CERAMIC
CHIP 1uF
10% 10V
C161 1-100-597-91 CERAMIC
CHIP 0.1uF
10% 25V
C162 1-165-908-11 CERAMIC
CHIP 1uF
10% 10V
C165 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C166 1-112-777-11 CERAMIC
CHIP 0.01uF 10% 25V
C167 1-100-909-11 CERAMIC
CHIP 10uF
10% 6.3V
C170 1-110-530-11 ELECT
CHIP 1000uF 20% 6.3V
C172 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C174 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C175 1-117-681-11 ELECT
CHIP 100uF 20% 16V
C177 1-114-817-11 CERAMIC
CHIP 2.2uF
10% 50V
C178 1-117-681-11 ELECT
CHIP 100uF 20% 16V
C179 1-165-908-11 CERAMIC
CHIP 1uF
10% 10V
C182 1-112-831-31 ELECT
2200uF 20% 35V
C184 1-164-848-11 CERAMIC
CHIP 8PF
0.5PF 50V
C185 1-164-850-11 CERAMIC
CHIP 10PF
0.5PF 50V
C186 1-100-597-91 CERAMIC
CHIP 0.1uF
10% 25V
C187 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C188 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C189 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C191 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C194 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C195 1-112-806-11 ELECT
CHIP 47uF
20% 50V
C196 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C197 1-114-868-11 CERAMIC
CHIP 0.1uF
10% 50V
C198 1-100-916-11 CERAMIC
CHIP 0.1uF
10% 16V
C199 1-117-681-11 ELECT
CHIP 100uF 20% 16V
C200 1-128-392-11 ELECT
CHIP 470uF 20% 6.3V
C203 1-110-530-11 ELECT
CHIP 1000uF 20% 6.3V
< CONNECTOR >
CN101
1-838-505-11 CONNECTOR, CARD EDGE 30P (L)
CN102
1-784-861-51 CONNECTOR, FFC (LIF (NON-ZIF)) 9P
* CN105
1-566-693-11 PIN, CONNECTOR (3.96mm PITCH) 2P
< DIODE >
D101
6-502-961-01 DIODE DA2J10100L
D102
6-500-848-01 DIODE MC2840-T112-1
D104
6-500-848-01 DIODE MC2840-T112-1
D111
6-502-961-01 DIODE DA2J10100L
D112
6-502-966-01 DIODE DZ2J056M0L
< EARTH TERMINAL >
* ET100 1-780-408-11 TERMINAL, LUG
< FERRITE BEAD >
FB100
1-469-647-21 FERRITE, EMI (SMD) (1608)
FB101
1-400-697-31 BEAD, FERRITE (CHIP) (1608)
< IC >
IC100
A-1801-975-A IC R5F212BASNFP (for SERVICE)
IC101
6-715-382-01 IC PST8435UL
IC103
6-707-856-01 IC TC74LCX74FT (EKJ)
IC104
6-714-477-01 IC CXD9981TN
IC105
6-707-939-01 IC CXD9843AR
IC106
6-714-743-01 IC MM3404A18URE
IC107
6-706-492-01 IC TC7SHU04FU
IC108
6-711-049-01 IC S-1170B33UC-OTSTFG
IC109
6-712-613-01 IC SI-3010KM-TLS
< COIL >
L101 1-457-579-31 CHOKE
COIL 10uH
<
TRANSISTOR
>
Q102 8-729-620-13 TRANSISTOR 2SC4154TP-1EF
Q103 6-551-272-01 TRANSISTOR RT3CLLM
Q104 6-551-272-01 TRANSISTOR RT3CLLM
Q105 8-729-620-13 TRANSISTOR 2SC4154TP-1EF
Q106 6-552-772-01 TRANSISTOR RT3AMMAM1-T111-1F
Q103 6-551-272-01 TRANSISTOR RT3CLLM
Q104 6-551-272-01 TRANSISTOR RT3CLLM
Q105 8-729-620-13 TRANSISTOR 2SC4154TP-1EF
Q106 6-552-772-01 TRANSISTOR RT3AMMAM1-T111-1F
Q108 8-729-038-37 TRANSISTOR RT1N141M-TP-1
Q109 6-551-690-01 TRANSISTOR RT3N11M-TP-1
Q109 6-551-690-01 TRANSISTOR RT3N11M-TP-1
POWER
SUB MAIN
Note: When the SUB MAIN board or IC104 on the SUB MAIN board
are replaced, spread the compound referring to “NOTE OF RE-
PLACING THE IC104 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on servicing notes (page 3).
PLACING THE IC104 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on servicing notes (page 3).
Ver. 1.1
Click on the first or last page to see other HT-CT550W / SA-WCT550W service manuals if exist.