Read Sony KDL-70X4500 (serv.man3) Service Manual online
KDL-70X4500 (K) 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.
AU AND FBU BOARDS REMOVAL ................. 1-2
1-5.
F2 BOARD REMOVAL ........................................ 1-3
1-6.
G8 AND G9 BOARDS REMOVAL ..................... 1-3
1-7.
FRAME REMOVAL ............................................. 1-4
1-8.
D.C. FAN AND SPINE FRAME REMOVAL ...... 1-4
1-9.
H3VM BOARD, H4 BOARD AND
LOUDSPEAKER REMOVAL .............................. 1-5
1-10. LCD PANEL REMOVAL ..................................... 1-5
2. TROUBLESHOOTING .................................... 2-1
2-1.
TRIAGE CHART ................................................... 2-1
2-2.
FLOW CHART ...................................................... 2-2
2-2-1.
NO POWER (Chart B) ..................................... 2-3
2-2-2 . SET REBOOTS ............................................... 2-4
2-2-3.
SELF DIAGNOSIS .......................................... 2-4
2-2-3-1. RED LED BLINKS TABLE ...................... 2-4
2-2-3-2. RED LED BLINKS (Chart C) ................... 2-5
2-2-4.
AUDIO PROBLEM (Chart D) ........................ 2-9
2-2-5.
VIDEO PROBLOM (Chart E) ....................... 2-10
2-2-6.
NO PICTURE ................................................ 2-11
3. DIAGRAMS ..................................................... 3-1
3-1.
BLOCK DIAGRAM .............................................. 3-1
3-2.
CIRCUIT BOARDS LOCATION ......................... 3-2
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.
AU, FBU, F2, G8 AND G9 BOARDS .................. 4-4
4-4.
CF1 BOARD, 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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