Sony KLV-26S550A / KLV-32S550A / KLV-37S550A Service Manual ▷ View online
KLV-26/32/37S550A (CH) 1-13
1-4. HOW TO TAKE OUT HOOK OF REAR COVER AND SWITCH UNIT
1-4-1. Rear Cover Removal
Push point
[ KLV-26S550A ]
[ KLV-32S550A ]
Hook position
(Only button position)
(Only button position)
1)
KLV-26/32S550A
Please pull Rear Cover from the lower side while pressing a
channel button side of the button bracket against the
direction of the set inside.
Please pull Rear Cover from the lower side while pressing a
channel button side of the button bracket against the
direction of the set inside.
KLV-26/32/37S550A (CH) 1-14E
2)
KLV-37S550A
After raising the point of 1, the point of 2 is pushed inside
a set, and the point of 1 is raised further upwards.
After raising the point of 1, the point of 2 is pushed inside
a set, and the point of 1 is raised further upwards.
1-4-2. Switch Unit Removal
Lift up it against the direction of set inside.
1
2
2
1
Push this position to remove
button more easily.
button more easily.
Lift up it against the
direction of set inside.
direction of set inside.
KLV-26/32/37S550A (CH) 2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
1) KLV-26/32S550A
Failure
2 times 4 times
6 times 7 times
8 times
No POWER
No PICTURE
No SOUND
BT2 Board
GT3 Board
PANEL
SPEAKER
2) KLV-37S550A
Failure
2 times 4 times
6 times 7 times
8 times
No POWER
No PICTURE
No SOUND
BT2 Board
POWER Unit (G4)
PANEL
SPEAKER
2-2. NO POWER
OK
NO
AC cable
No POWER
BT2 Board
or
SWITCH UNIT
Check
AC cable connection
NO
GT3 Board
POWER UNIT(G4)
POWER UNIT(G4)
Check STBY_VCC*
at 7pin of CN7000
on the BT2 Board
*: KLV-26/32S550A/GT3 board
KLV-37S550A/POWER UNIT (G4)
OK
KLV-26/32/37S550A (CH) 2-2
2-3. STANDBY LED BLINK
1) 2 or 4 times Blinkings
2) 6 times Blinkings
NO
Replace (OK)
Finish
2 or 4 times blinkings
Check
GT3 Board
POWER UNIT (G4)
GT3 Board
POWER UNIT (G4)
BT2 Board
NO
Replace (OK)
Finish
6 times blinkings
Check
GT3 Board
POWER UNIT (G4)
GT3 Board
POWER UNIT (G4)
Check BT2 Board
Replace (OK)
Check BT2 Board
NO
NO
Replace (OK)
Finish
7 times blinkings
Check SPEAKER
BT2 Board
3) 7 times Blinkings
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