Sony KLV-40V440A / KLV-46V440A / KLV-52V440A Service Manual ▷ View online
KLV-40/46/52V440A (CH) 7
1-4. SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to
bring up past occurrences of failure for confirmation on the screen:
bring up past occurrences of failure for confirmation on the screen:
1-4-1. To Bring Up Screen Test
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen
After you have completed the repairs, clear the result display to “0”.
After you have completed the repairs, clear the result display to “0”.
1-5. Quitting Self-diagnostic screen
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
5
*
* : Note that this differs from entering the service mode (volume +)
DC_DET
DC_ALEAT1
DC_ALERT2
DC_ALERT3
BACKLIGHT
TEMPERATURE
AUDIO
AUSD FAN
DFE
B-ENGINE
HFR
0
0
0
0
0
0
0
0
0
0
0
TV
Monitoring Items
Error Count Record
For details, refer to "1-1. DIAGNOSTIC TEST INDICATORS"
[ SELF-DIAGNOSTIC SCREEN DISPLAY ]
Number "0": means that no fault detected.
Number "1": means a fault was detected one time only.
Number "1": means a fault was detected one time only.
KLV-40/46/52V440A (CH) 8
TABLE OF CONTENTS
SAFETY CHECK-OUT ............................................. 5
SELF DIAGNOSIS FUNCTION ................................ 6
1. DISASSEMBLY ............................................... 1-1
1-1.
KLV-40V440A ....................................................... 1-1
1-1-1.
REAR COVER AND STAND ASSY
REMOVAL ...................................................... 1-1
1-1-2.
AC INLET AND UNDER COVER
REMOVAL ...................................................... 1-2
1-1-3.
BG1G BOARD AND IP5 BOARD
REMOVAL ...................................................... 1-3
1-1-4.
FRAME REMOVAL ....................................... 1-4
1-1-5.
SPEAKER (L) REMOVAL ............................. 1-5
1-1-6.
SPEAKER (R) REMOVAL ............................. 1-5
1-1-7.
LCD PANEL, H3E BOARD AND
H4 BOARD REMOVAL ................................. 1-6
1-1-8.
WIRING LAYOUT ......................................... 1-7
1-2.
KLV-46V440A ....................................................... 1-8
1-2-1.
REAR COVER AND STAND ASSY
REMOVAL ...................................................... 1-8
1-2-2.
AC INLET AND UNDER COVER
REMOVAL ...................................................... 1-9
1-2-3.
BG1G BOARD AND IP5 BOARD
REMOVAL .................................................... 1-10
1-2-4.
FRAME REMOVAL ..................................... 1-11
1-2-5.
SPEAKER (L) REMOVAL ........................... 1-12
1-2-6.
SPEAKER (R) REMOVAL ........................... 1-12
1-2-7.
LCD PANEL, H3E BOARD AND
H4 BOARD REMOVAL ............................... 1-13
1-2-8.
WIRING LAYOUT ....................................... 1-14
1-3.
KLV-52V440A ..................................................... 1-15
1-3-1.
REAR COVER AND STAND ASSY
REMOVAL .................................................... 1-15
1-3-2.
AC INLET AND UNDER COVER
REMOVAL .................................................... 1-16
1-3-3.
D4, D5, G5 AND BG1B BOARDS
REMOVAL .................................................... 1-17
1-3-4.
FRAME REMOVAL ..................................... 1-18
1-3-5.
SPEAKER (L) REMOVAL ........................... 1-19
1-3-6.
SPEAKER (R) ................................................ 1-19
1-3-7.
LCD PANEL, H3E BOARD AND
H4 BOARD REMOVAL ............................... 1-20
1-3-8.
WIRING LAYOUT ....................................... 1-21
2. DIAGRAMS ..................................................... 2-1
2-1.
CIRCUIT BOARDS LOCATION ......................... 2-1
(1)
KLV-40V440A ................................................ 2-1
(2)
KLV-46V440A ................................................ 2-1
(3)
KLV-52V440A ................................................ 2-1
3. EXPLODED VIEWS ........................................ 3-1
3-1.
KLV-40V440A ....................................................... 3-2
3-1-1.
REAR COVER AND STAND ASSY ............. 3-2
3-1-2.
CHASSIS-1 ...................................................... 3-3
3-1-3.
CHASSIS-2 ...................................................... 3-4
3-2.
KLV-46V440A ....................................................... 3-5
3-2-1.
REAR COVER AND STAND ASSY ............. 3-5
3-2-2.
CHASSIS-1 ...................................................... 3-6
3-2-3.
CHASSIS-2 ...................................................... 3-7
3-3.
KLV-52V440A ....................................................... 3-8
3-3-1.
REAR COVER AND STAND ASSY ............. 3-8
3-3-2.
CHASSIS-1 ...................................................... 3-9
3-3-3.
CHASSIS-2 .................................................... 3-10
3-4.
PACKING MATERIALS .................................... 3-11
3-4-1.
KLV-40V440A .............................................. 3-11
3-4-2.
KLV-46V440A .............................................. 3-12
3-4-3.
KLV-52V440A .............................................. 3-13
KLV-40/46/52V440A (CH) 9
KLV-40/46/52V440A (CH) 1-1
1-1. KLV-40V440A
1-1-1. REAR COVER AND STAND ASSY REMOVAL
SECTION 1
DISASSEMBLY
3
Six screws
(+BVTP2 4X16)
3
Four screws
(+BVTP2 4X16)
3
Five screws
(+BVTP2 4X16)
3
Two screws
(+BVTP2 4X16)
3
Two screws
(+BVTP2 4X16)
6
Two screws
(+BV 3X12,
TYPE2, IT-3)
TYPE2, IT-3)
4
Two screws
(+PSW M5X8)
4
Two screws
(+PSW M5X8)
5
Two screws
(+PSW M5X16)
7
Rear cover (40) assy
8
Switch unit
1
Three screws
(+PSW M5X16)
2
Stand assy (L)
Click on the first or last page to see other KLV-40V440A / KLV-46V440A / KLV-52V440A service manuals if exist.