Sony KLV-S26A10 / KLV-S32A10 / KLV-S40A10 (serv.man2) Service Manual ▷ View online
KLV-S26/S32/S40A10 (UC/WB/CND/MX) 5
TABLE OF CONTENTS
1. SELF-DIAGNOSIS FUNCTION ...................... 1-1
1-1. CONTROL BUTTONS .......................................... 1-1
1-2. LED BLINKING PATTERNS AND
MONITORING ITEMS ......................................... 1-2
2. DISASSEMBLY ............................................... 2-1
2-1. KLV-S26A10/S32A10 ........................................... 2-1
2-1-1.
STAND REMOVAL ........................................ 2-1
2-1-2.
REAR CABINET ASSY REMOVAL ............ 2-1
2-1-3.
H1 BOARD REMOVAL ................................. 2-2
2-1-4.
VESA BRACKET ASSY REMOVAL ........... 2-2
2-1-5.
SIDE BRACKET ASSY AND S1 TOP
SHIELD REMOVAL ....................................... 2-3
2-1-6.
G2 AND H2 BOARDS REMOVAL ............... 2-3
2-1-7.
A3U BOARD REMOVAL .............................. 2-4
2-1-8.
P AND TU BOARDS REMOVAL ................. 2-4
2-1-9.
B BOARD REMOVAL ................................... 2-5
2-1-10. H3 BOARD AND SPEAKER REMOVAL .... 2-5
2-1-11. LCD PANEL REMOVAL ............................... 2-6
2-2. KLV-S40A10 ......................................................... 2-7
2-2-1.
STAND ASSY REMOVAL ............................ 2-7
2-2-2.
REAR CABINET ASSY REMOVAL ............ 2-7
2-2-3.
H1 BOARD REMOVAL ................................. 2-8
2-2-4.
VESA BRACKET ASSY AND G SHIELD
ASSY REMOVAL ........................................... 2-8
2-2-5.
SIDE BRACKET ASSY AND S1 TOP
SHIELD REMOVAL ....................................... 2-9
2-2-6.
H2 BOARD REMOVAL ................................. 2-9
2-2-7.
G3 BOARD REMOVAL ............................... 2-10
2-2-8.
A3U BOARD REMOVAL ............................ 2-10
2-2-9.
TU BOARD REMOVAL ............................... 2-11
2-2-10. P BOARD REMOVAL .................................. 2-11
2-2-11. B BOARD REMOVAL ................................. 2-12
2-2-12. H3 BOARD AND SPEAKER REMOVAL .. 2-12
2-2-13. LCD PANEL REMOVAL ............................. 2-13
3. SERVICE MODE ............................................. 3-1
3-1. DISPLAYING SERVICE MENU ......................... 3-1
3-2. ADJUSTMENT USING THE SERVICE
MENU ..................................................................... 3-1
4. DIAGRAMS ..................................................... 4-1
4-1. BLOCK DIAGRAMS ............................................ 4-1
(1)
A3U (1/2), TU and H2 Boards ........................ 4-1
(2)
A3U (2/2) Board .............................................. 4-2
(3)
B, H1 and H3 Boards ....................................... 4-3
(4)
G2 Board (KLV-S26/S32A10 ONLY) ............ 4-4
(5)
G3 Board (KLV-S40A10 ONLY) ................... 4-5
(6)
P Board ............................................................. 4-6
4-2. FRAME DIAGRAMS ............................................ 4-7
4-3. CIRCUIT BOARDS LOCATION ......................... 4-8
4-4. SCHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ............................................... 4-8
(1)
Schematic Diagrams of A3U Board ................ 4-9
(2)
Schematic Diagram of G2 Board
(KLV-S26/S32A10 ONLY) ........................... 4-15
(3)
Schematic Diagrams of G3 Board
(KLV-S40A10 ONLY) ................................. 4-17
(4)
Schematic Diagram of H1 and H2 Boards .... 4-20
(5)
Schematic Diagram of H3 Board ................... 4-21
(6)
Schematic Diagram of TU Board .................. 4-22
4-5. SEMICONDUCTORS ......................................... 4-23
5. EXPLODED VIEWS ........................................ 5-1
5-1. KLV-S26A10/S32A10 ........................................... 5-2
5-1-1.
REAR CABINET ASSY AND STAND
ASSY ................................................................ 5-2
5-1-2.
CHASSIS-1 ...................................................... 5-3
5-1-3.
CHASSIS-2 ...................................................... 5-4
5-1-4.
CHASSIS-3 ...................................................... 5-5
5-1-5.
CHASSIS-4 ...................................................... 5-6
5-1-6.
LCD PANEL .................................................... 5-7
5-1-7.
PACKING MATERIALS (KLV-S26A10)
(Made in Japan) ................................................ 5-8
5-1-8.
PACKING MATERIALS
(KLV-S26/S32A10 (UC)) (Made in USA) ..... 5-9
5-1-9.
PACKING MATERIALS
(KLV-S32A10 (UC)) (Made in Japan) .......... 5-10
5-1-10. PACKING MATERIALS
(KLV-S32A10 (WB)) (Made in Japan) ......... 5-11
5-2. KLV-S40A10 ....................................................... 5-12
5-2-1.
REAR CABINET ASSY AND STAND
ASSY .............................................................. 5-12
5-2-2.
CHASSIS-1 .................................................... 5-13
5-2-3.
CHASSIS-2 .................................................... 5-14
5-2-4.
CHASSIS-3 .................................................... 5-15
5-2-5.
CHASSIS-4 .................................................... 5-16
5-2-6.
LCD PANEL .................................................. 5-17
5-2-7.
PACKING MATERIALS
(KLV-S40A10 (CND/MX)) .......................... 5-18
6. ELECTRICAL PARTS LIST ........................... 6-1
KLV-S26/S32/S40A10 (UC/WB/CND/MX) 1-1
SECTION 1
SELF-DIAGNOSIS FUNCTION
1-1. CONTROL BUTTONS
(1) POWER
TOP PANEL BUTTON
(2) CHANNEL +
(4) VOLUME +
(3) CHANNEL -
(5) VOLUME -
(6) TV/VIDEO
(7) WEGA GATE
(8) ENTER
(1) POWER
FRONT PANEL LED
(2) TIMER
(3) PIC OFF
• Description of LED indicators
LED
LED type
Description
POWER LED
Red/green LED
Lights green while the TV set is powered on.
Lights red during recording.
Lights during timer recording.
Also functions as an aging failure indicator.
Lights red during recording.
Lights during timer recording.
Also functions as an aging failure indicator.
TIMER LED
Red LED
Lights during standby mode.
Also functions as an aging failure indicator.
Also functions as an aging failure indicator.
PIC OFF LED
Red/green LED
Lights when timer is set.
Lights while no picture is displayed.
Blinks during communication.
With respect to communication, this LED is controlled by the main microcomputer
in response to blinking/lighting instructions from the DTT module.
Lights while no picture is displayed.
Blinks during communication.
With respect to communication, this LED is controlled by the main microcomputer
in response to blinking/lighting instructions from the DTT module.
• LED control
Remarks
This status is made by power off with the power switch or remote control.
Standby state does not exist in WAX-U/C.
However, the microcomputer enters into the sleep mode.
Microcomputer works normally.
Failure causes are classified by number of red blinking times.
Aging time is classified by green blinking method.
No display (black screen).
When OFF TIMER is set during power-on.
When OFF TIMER is set with black screen.
When ON TIMER is set during power-off.
When ON TIMER is set during power-on.
When ON TIMER is set with black screen.
Standby state does not exist in WAX-U/C.
However, the microcomputer enters into the sleep mode.
Microcomputer works normally.
Failure causes are classified by number of red blinking times.
Aging time is classified by green blinking method.
No display (black screen).
When OFF TIMER is set during power-on.
When OFF TIMER is set with black screen.
When ON TIMER is set during power-off.
When ON TIMER is set during power-on.
When ON TIMER is set with black screen.
Status
Power Off
Power On
Failure
Aging
Picture OFF
OFF Timer
Failure
Aging
Picture OFF
OFF Timer
ON Timer
Power LED
Off
Lights green
Blinks red
Blinks green
Lights green
Lights green
Lights green
Off
Lights green
Lights green
Blinks red
Blinks green
Lights green
Lights green
Lights green
Off
Lights green
Lights green
Picture Off LED
Off
Off
Off
Off
Off
Lights green
Off
Lights green
Off
Off
Lights green
Off
Off
Lights green
Off
Lights green
Off
Off
Lights green
Timer LED
Off
Off
Off
Off
Off
Lights red
Lights red
Lights red
Lights red
Lights red
Off
Off
Off
Lights red
Lights red
Lights red
Lights red
Lights red
KLV-S26/S32/S40A10 (UC/WB/CND/MX) 1-2E
1-2. LED BLINKING PATTERNS AND MONITORING ITEMS
(1) The following table shows LED blinking patterns to be used for reporting causes in the case of safety shutdown.
(2) Since the TV set is provided with many failure items, causes of shutdown can be identified by the following blinking patterns.
(2) Since the TV set is provided with many failure items, causes of shutdown can be identified by the following blinking patterns.
• Diagnosis items based on blinking patterns
Number of TIMER LED
Monitoring item
blinking times
Once
Abnormal AU power voltage (DCALERT 3)
Twice
Abnormal D5V/A9V voltage (DCALERT 2)
3 times
Abnormal panel/HFE voltage (DCALERT 1)
4 times
Backlight failure
5 times
Abnormal main power voltage
6 times
Abnormal speaker voltage
7 times
Internal temperature rise (mainly on the panel side)
8 times
Trident IC failure
KLV-S26/S32/S40A10 (UC/WB/CND/MX) 2-1
Note: Illustrations are created based on KLV-S26A10.
2-1. KLV-S26A10/S32A10
2-1. KLV-S26A10/S32A10
2-1-1. STAND REMOVAL
SECTION 2
DISASSEMBLY
2-1-2. REAR CABINET ASSY REMOVAL
3
Four screws
(+PSW 5x16)
5
Four screws
(+PSW 5x14)
1
Three screws
(+B M4x6 : KLV-S26A10)
(+PSW 4x10 : KLV-S32A10)
(+PSW 4x10 : KLV-S32A10)
4
Eight screws
(+KTP M3x8)
2
Hinge cover
9
Stand cover
6
Base plate
7
Plate spring
nut (M12)
8
Tilt cover
KLV-S32A10
1
Ten screws
(+B M4x6)
1
Eight screws
(+PSW 4x10)
2
One screw
(+BVTP 3x10)
2
One screw
(+BVTP 3x10)
3
Rear cabinet assy (26U)
3
Rear cabinet assy (32U)
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