Sony SA-WCT770 Service Manual ▷ View online
SA-WCT770
5
MODEL IDENTIFICATION
Distinguish by model number label printed on the rear plate of a main unit.
Distinguish by model number label printed on the rear plate of a main unit.
Note: The printed contents of following fi gure model number label may be different from the model number label of a main unit.
– Rear view –
– Rear view –
US and Canadian models
MODEL NUMBER LABEL
4-488-123-0
[] UC
MODEL NUMBER LABEL
Part No.
Destination code
Destination code
Ver. 1.2
Destination
Part No.
Destination code
AEP, UK
4-488-132-0
[]
CEL
Singapore
4-529-514-1
[]
SP1
Australian
4-529-515-1
[]
AU1
Taiwan
4-529-591-0
[]
TW2
Mexican
4-529-592-0
[]
MX2
Chinese
4-529-593-0
[]
CN4
Saudi Arabia
4-531-646-1
[]
EA3
SA-WCT770
6
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2. REAR PANEL BLOCK
SET
2-8. POWER CORD (AC1)
(Page
(Page
10)
2-5. SUB
AMP
BLOCK
(Page
8)
2-2. REAR PANEL BLOCK
(Page
(Page
6)
2-3. TOP PANEL BLOCK
(Page
(Page
7)
2-7. POWER
BOARD
(Page
9)
2-10. REAR PLATE BLOCK
(Page
(Page
11)
2-11. SUB MAIN BOARD
(Page
(Page
12)
2-9. RF MODULATOR (SWA12-4V RX) (RF1)
(Page
(Page
11)
2-13. LOUDSPEAKER (16 cm) (SP1)
(Page
(Page
14)
2-12. BOTTOM PANEL BLOCK
(Page
(Page
13)
2-4. SUB LED BOARD
(Page
(Page
8)
2-6. TOP PLATE BLOCK, FUSE (F900)
(Page
(Page
9)
1 five screws
(BVTP3
u 8)
3 Pull out the power cord.
2 Remove the rear panel block
in the direction of the arrow.
4 rear panel block
– Rear view –
• JIG
When disassembling the unit, use the following jig (for speaker
When disassembling the unit, use the following jig (for speaker
removal).
Part
No.
Description
J-2501-238-A
JIG FOR SPEAKER REMOVAL
SA-WCT770
7
2-3. TOP PANEL BLOCK
total four bosses
5 connector
(CN901)
(CN901)
6 top panel block
– Rear view –
3 All bosses are removed while moving
jig in the direction of the arrow, and
top panel block is removed.
3 All bosses are removed while moving
jig in the direction of the arrow, and
top panel block is removed.
2 Insert the jig into a space and raise
top panel block.
Note 2: When using a jig, please work so
as not to injure top panel block.
2 Insert the jig into a space and raise
top panel block.
Note
2: When using a jig, please work so
as not to injure top panel block.
1 screw
(BVTP3
(BVTP3
u 8)
Note
1: Please use the extra
long
screwdriver.
1 screw
(BVTP3
(BVTP3
u 8)
Note
1: Please use the extra
long
screwdriver.
4 Remove the top panel block
in the direction of the arrow.
SA-WCT770
8
2-5. SUB AMP BLOCK
2-4. SUB LED BOARD
2 two screws
(BVTP2.6)
(BVTP2.6)
1 LED cover
3 SUB LED board
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–
7RSSDQHOEORFNERWWRPYLHZ–
OK
NG
guide line
LED cover
SUB LED board
LED cover
SUB LED board
front edge of the top panel
front edge of the top panel
LED cover is over the front edge of the top panel.
OK
NG
1 tapping screw
(3.5
u 14)
1 two tapping screws
(3.5
u 14)
3 speaker connector
(CN109)
4 sub AMP block
1 tapping screw
(3.5
u 14)
2 Lift the sub AMP block
in the direction of the arrow
– Rear view –
sub AMP block
screw hole
Speaker wire is front side.
Speaker wire is rear side.
sub AMP block
screw hole
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