Read Sony KLV-22BX350 / KLV-26BX350 / KLV-32BX350 / KLV-40BX450 / KLV-46BX450 Service Manual online
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
TABLE OF CONTENTS
Section Title
Page
1 SAFETY NOTES
Section Title
Page
3 6
IR Troubleshooting
38
1. SAFETY NOTES
1-1.
Caution Handling of LCD Panel ........................……………..…........................... 5
1-2.
Safety Check Out ......................................…………...…………........................... 5
1-3. Leaka
ge Test ........................................................................................................ 5
1-4.
How to find a good earth ground ......................................…………….................. 6
1-5.
WARNING and Caution ........................................................................................ 6
1-6.
Lead Free Information .......................................................................................... 6
1-7.
Handling the Flexible Flat Cable……………………………………...……………… 7
1-8.
Diassemble Rear Cover 22"……………………………………...…………………… 8
1-9.
Assemble Rear Cover 22"…………………….……………………………………… 8
3-6.
IR Troubleshooting………………………………………………………………… 38
3-7. TACT
SW Troubleshooting……………………………………………………… 39
3-8. R
TC Troubleshooting……………………………………………………………… 40
3-9. U
SB Troubleshooting……………………………………………………………… 41
3-10. Troubleshootin
g Reference
3-10-1. BAQ Board…………....................................................................................... 42
3-10-2. H Q Board…………........................................................................................ 45
4. SERVICE ADJUSTMENTS
4-1.
Accesing Service Mode…………................................................................... 46
4 1 1
A
i
S ft
V
i
46
1 9.
Assemble Rear Cover 22 …………………….……………………………………… 8
1-10.
Diassemble Rear Cover 26",32",40",46"……………………………………...……… 9
1-11.
Assemble Rear Cover 26",32",40",46"…………………….………………………… 9
2. SELF DIAGNOSTIC FUNCTION
2-1.
Overview of Control Buttons …………….............................................................. 10
2-2. LE
D Display Control ............................................................................................. 10
2-3.
LED Pattern .......................................................................................................... 10
2-4. S
tandby LED Error Display .................................................................................. 11
2-5. T
riage Chart ......................................................................................................... 12
3 TROUBLE SHOOTING
4-1-1. Accesing Software Version………….............................................................. 46
4-1-2. Ac cesing Serial Number Edit…………........................................................... 47
4-1-3. Ac cesing Model Name Edit…………............................................................. 48
4-1-4. Ac cesing Self Diagnostic History…………..................................................... 50
4-2.
Accesing Self Diagnostic Menu…………....................................................... 50
4-3.
Updating the Software
51
5. DIAGRAM
5-1.
Block Diagram
5-1-1.
BX Series…………........................................................................................ 53
3. TROUBLE SHOOTING
3-1.
Troubleshooting Flow…………............................................................................. 13
3-2.
No Power…………........................................................................................
14
3-2-1. DD -Con…………........................................................................................
15
3-3.
Standby Led Display…………............................................................................... 16
3-3-1. 2 Times Led Blinking………….............................................................................. 16
3-3-2. 3 Times Led Blinking………….............................................................................. 16
3-3-3. 5 Times Led Blinking………….............................................................................. 17
3-3-4. 6 Times Led Blinking………….............................................................................. 18
3-4.
Audio Problem…………........................................................................................ 19
5 1 1. BX Series…………........................................................................................ 53
5-2.
Connector Diagram
5-2-1. KLV-22BX 350………….................................................................................. 55
5-2-2. KLV-26BX 350………….................................................................................. 56
5-2-3. KLV-32BX350/ 32BX35A………….................................................................. 57
5-2-4. KLV-40BX 450………….................................................................................. 58
5-2-5. KLV-46BX 450………….................................................................................. 59
5-3.
CIRCUIT BOARD LOCATION
5-3-1. KLV-22BX 350………….................................................................................. 62
5-3-2. KLV-26BX 350………….................................................................................. 62
5 3 3
KLV 32BX350/32BX35A
62
3 4.
Audio Problem…………........................................................................................ 19
3-4-1. Main Speaker No Sound…………......................................................................... 20
3-4-2. HP Out No Sound
21
3-4-3. A nalog Audio Input No Sound …………............................................................... 21
3-4-4. HDMI Audio No Sound………............................................................................... 22
3-4-5. USB No Sound………........................................................................................
22
3-4-6. A nalog RF No Sound………................................................................................. 23
3-4-7. 3 Times Blinking for Audio Error…………............................................................. 24
3-5.
Video Problem…………........................................................................................ 25
3-5-1. T uner Troubleshooting…………............................................................................ 26
5-3-3. KLV-32BX350/32BX35A………….................................................................. 62
5-3-4. KLV-40BX 450………….................................................................................. 62
5-3-5. KLV-46BX 450………….................................................................................. 62
5-4.
WIRE DRESSING
5-4-1. KLV-22BX 350………….................................................................................. 63
5-4-2. KLV-26BX 350………….................................................................................. 64
5-4-3. KLV-32BX350/ 32BX35A………….................................................................. 65
5-4-4. KLV-40BX 450………….................................................................................. 66
5 4 5
KLV 46BX450
67
3-5-2. V ideo 1Troubleshooting
1) Flow Chart A………………………………………………………………………… 27
2) Flow Chart B………………………………………………………………………… 28
3-5-3. Video 2 / Component Troubleshooting………....................................................... 29
3-5-4. V ideo 2 Troubleshooting…………......................................................................... 30
3-5-5. Component Troubleshooting………...................................................................... 31
3-5-6. Auto Switch Component/Video 2 Troubleshooting…………………………..
32
3-5-7. P C Troubleshooting
1) Flow Chart A………………………………………………………………………… 33
5-4-5. KLV-46BX450………….................................................................................. 67
5-4-6. Power Cord Wire Dressing (22",26",32",40",46").......................................... 68
6. DISASSEMBLEY, EXPLODED VIEW, OTHER PARTS
6-1.
KLV-22BX350………….................................................................................. 69
6-2.
KLV-26BX350………….................................................................................. 73
6-3.
KLV-32BX350/32BX35A………….................................................................. 77
6-4.
KLV-40BX450………….................................................................................. 83
6-5.
KLV-46BX450………….................................................................................. 87
4
1) Flow Chart A………………………………………………………………………… 33
2) Flow Chart B………………………………………………………………………… 34
3-5-8. HDMI Troubleshooting
1) Flow Chart A………………………………………………………………………… 35
2) Flow Chart B………………………………………………………………………… 36
3) Chart C…………………………………………………………………………………37
OPERATING INSTRUCTION
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