Sony SA-WNT3 Service Manual ▷ View online
SA-WNT3
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 –
Part No.
Model
Part No.
US, CND
4-564-042-1[]
AEP
4-564-042-3[]
UK
4-564-042-4[]
RU
4-564-042-5[]
E3
4-564-042-6[]
EA
4-564-042-7[]
SP
4-564-042-8[]
AUS
4-564-043-0[]
TW
4-564-043-2[]
AR
4-564-043-5[]
LA9
4-564-043-6[]
• Abbreviation
AR
AR
:
Argentina
model
AUS
:
Australian
model
CND : Canadian model
E3
E3
: 240V AC area in E model
EA
: Saudi Arabia model
LA9
: Latin-American model
RU
: Russian model
SP
: Singapore model
TW
:
Taiwan
model
• Parts position
1. SWITCHING REGULATOR (3L405W) board (page 5)
2. SUB MAIN board (page 5)
1. SWITCHING REGULATOR (3L405W) board
– SWITCHING REGULATOR (3L405W) Board
(EXCEPT AEP, UK, RU, AUS) (Component Side) –
(EXCEPT AEP, UK, RU, AUS) (Component Side) –
– SWITCHING REGULATOR (3L405W) Board
(AEP, UK, RU, AUS) (Component Side) –
(AEP, UK, RU, AUS) (Component Side) –
*The portion which applies bond:
T201
C211
C207
C201
C101
C102
C103
NR101
R208
L401
C402
T201
*The portion which applies bond:
T201
C211
C207
C201
L102
C461
C408
R208
L401
C402
T201
C465
C101
L101
C103
C102
NR101
2. SUB MAIN board
– SUB MAIN Board (Component Side) –
*The portion which applies bond:
C7234
C7233
C7230
L7202
Ver. 1.2
SA-WNT3
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 SECTION
SET
2-4. SUB MAIN BOARD,
POWER
POWER
CORD,
SWITCHING REGULATOR (3L405W)
(Page
8)
2-2. REAR PANEL SECTION
(Page
(Page
6)
2-3. SUB KEY BOARD,
RF MODULATOR (WS001),
SUB MAIN SECTION
(Page
7)
2-6. LOUDSPEAKER (16 cm)-081-11
(Page
(Page
10)
2-5. FRONT PANEL SECTION
(Page
(Page
9)
• 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
1 sixteen screws
((1) (3.5 x 14), TAPPING)
3 CN7405 (3P)
5 rear panel section
4 CN7202 (4P)
2 Remove the rear panel block
in the direction of the arrow.
– Rear view –
SA-WNT3
7
2-3. SUB KEY BOARD, RF MODULATOR (WS001), SUB MAIN SECTION
qa two screws
((+BTP) (DIA.3) (BZN-N))
1 three screws
((+BTP) (DIA.3) (BZN-N))
0 three screws
((+BTP) (DIA.3) (BZN-N))
qd SUB MAIN section
7 two screws
(+BVTP 3 x 8 TYPE2 IT-3)
(+BVTP 3 x 8 TYPE2 IT-3)
8 SUB KEY board
6 RF MODULATOR (WS001)
9 button, power (SZ-SW)
qs panel, rear (SZ-SW)
5 housing (top) assy
4 front panel cushion
3 wire (flat type) (26 core)
2 wire (flat type) (9 core)
(CN7010)
(CN7010)
– Rear panel section rear view –
SA-WNT3
8
2-4. SUB MAIN BOARD, POWER CORD, SWITCHING REGULATOR (3L405W)
A
A
3 CN7201 (9P)
1 two screws
(+BVTP 3 x 10 TYPE2 IT-3)
2 heat sink (SZ-SW)
4 five screws
(+BVTP 3 x 8 TYPE2 IT-3)
5 SUB MAIN board
IC7203
6 CN1 (2P)
9 cord, power
8 bushing (FBS001), cord
7 claw
qs REGULATOR, SWITCHING
(3L405W)
(3L405W)
0 four screws
(+BVTP 3 x 8 TYPE2 IT-3)
qa stopper, wiring
– SUB MAIN section rear bottom view –
Note: When installing the heat sink (SZ-SW),
spread the compound referring to “NOTE
OF REPLACING THE IC7203 ON THE
SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD”
on page 4.
on page 4.
(AEP, UK, RU, AUS)
:LUHVHWWLQJ
SUB MAIN board
rear side
REGULATOR, SWITCHING
(3L405W)
Ver. 1.1
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