Read Sony KDL-70X4500 / KLV-70X450A Service Manual online
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 8
TABLE OF CONTENTS
SPECIFICATIONS .................................................... 2
SAFETY CHECK-OUT ............................................. 5
SELF DIAGNOSIS FUNCTION ................................ 6
TABLE OF CONTENTS ........................................... 8
1. DISASSEMBLY ............................................... 1-1
1-1.
REAR COVER REMOVAL .................................. 1-1
1-2.
STAND ASSY AND SP BOX ASSY
REMOVAL ............................................................ 1-1
1-3.
H1VM BOARD REMOVAL ................................. 1-2
1-4.
K2 BOARD REMOVAL ....................................... 1-2
1-5. AGA(AAS) AND FBA BOARDS REMOVAL .... 1-3
1-6.
F2 BOARD REMOVAL ........................................ 1-3
1-7.
G8 AND G9 BOARDS REMOVAL ..................... 1-4
1-8.
RF MODULE, AC INLET AND FRAME
REMOVAL ............................................................ 1-4
1-9.
D.C. FAN AND SPINE FRAME REMOVAL ...... 1-5
1-10. H3VM BOARD, H4 BOARD AND
LOUDSPEAKER REMOVAL .............................. 1-5
1-11. LCD PANEL REMOVAL ..................................... 1-6
2. TROUBLESHOOTING .................................... 2-1
2-1.
TRIAGE CHART ................................................... 2-1
2-2.
TROUBLE SHOOTING FLOW CHART ............. 2-2
2-3.
NO POWER (Chart B) ........................................... 2-3
2-4.
SET REBOOTS ...................................................... 2-4
2-5.
SELF DIAGNOSIS ................................................ 2-4
2-5-1.
RED LED BLINKS TABLE ........................... 2-4
2-5-2.
RED LED BLINKS (Chart C) ......................... 2-5
2-6.
AUDIO PROBLEM (Chart D) .............................. 2-9
2-7.
VIDEO PROBLOM (Chart E) ............................. 2-10
2-8.
NO PICTURE ....................................................... 2-11
3. DIAGRAMS ..................................................... 3-1
3-1.
BLOCK DIAGRAM .............................................. 3-1
1)
KLV-70X450A ................................................ 3-1
2)
KDL-70X4500 ................................................. 3-2
3-2.
CIRCUIT BOARDS LOCATION ......................... 3-3
4. EXPLODED VIEWS ........................................ 4-1
4-1.
REAR COVER AND STAND ASSY ................... 4-2
4-2.
H1VM BOARD AND SP BOX ASSY ................. 4-3
4-3. AGA(AAS), FBA, F2, G8 AND G9 BOARDS .... 4-4
4-4.
FRAME, FAN AND AC INLET ........................... 4-5
4-5.
LCD PANEL, H3VM AND H4 BOARDS ............ 4-6
4-6.
CONNECTOR ASSY ............................................ 4-7
4-7.
PACKING MATERIALS ...................................... 4-8
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