Read Sony KDL-46V4800 / KDL-52V4800 Service Manual online
KDL-46/52V4800 (CH) 8
TABLE OF CONTENTS
SPECIFICATIONS .................................................... 2
SAFETY CHECK-OUT ............................................. 5
SELF DIAGNOSIS FUNCTION ................................ 6
TABLE OF CONTENTS ........................................... 8
1. DISASSEMBLY ............................................... 1-1
1-1.
KDL-46V4800 ........................................................ 1-1
1-1-1.
REAR COVER AND STANDBY ASSY
REMOVAL ...................................................... 1-1
1-1-2.
AC INLET AND UNDER COVER
REMOVAL ...................................................... 1-2
1-1-3.
BGC AND IP5 BOARDS REMOVAL ........... 1-3
1-1-4.
FRAME REMOVAL ....................................... 1-4
1-1-5.
LOUDSPEAKER (L) REMOVAL .................. 1-5
1-1-6.
LOUDSPEAKER (R) REMOVAL ................. 1-5
1-1-7.
LCD PANEL, H3E AND H4 BOARDS
REMOVAL ...................................................... 1-6
1-2.
KDL-52V4800 ........................................................ 1-7
1-2-1.
REAR COVER AND STANDBY ASSY
REMOVAL ...................................................... 1-7
1-2-2.
AC INLET AND UNDER COVER
REMOVAL ...................................................... 1-8
1-2-3.
BGC, D4, D5 AND IP5 BOARDS
REMOVAL ...................................................... 1-9
1-2-4.
FRAME REMOVAL ..................................... 1-10
1-2-5.
LOUDSPEAKER (L) REMOVAL ................ 1-11
1-2-6.
LOUDSPEAKER (R) REMOVAL ............... 1-11
1-2-7.
LCD PANEL, H3E AND H4 BOARDS
REMOVAL .................................................... 1-12
2. TROUBLESHOOTING .................................... 2-1
2-1.
TRIAGE CHART ................................................... 2-1
2-2.
FLOW CHART ...................................................... 2-2
2-3.
No Power (Flow Chart_B) ..................................... 2-3
2-4.
Self Diagnosis ......................................................... 2-4
2-4-1.
Self Diagnosis (Flow Chart_C) ....................... 2-5
2-4-2.
POWER_DET (RED 2 times blink) ................ 2-6
2-4-3.
Back light Error (RED 6 times blink) ............. 2-6
2-4-4.
Temp Error (RED 7 times blink) ..................... 2-7
2-4-5.
Audio Error (RED 8 times blink) .................... 2-7
2-4-6.
DEF Error (RED 10 times blink) ..................... 2-8
2-4-7.
NVM Error (RED 11 times blink) ................... 2-8
2-4-8.
I2C Error (RED 12 times blink) ...................... 2-8
2-4-9.
Balancer Error (RED 13 times blink) .............. 2-9
2-4-10. HDMI Error (RED 14 times blink) .................. 2-9
2-4-11. Tuner Error (RED 15 times blink) ................... 2-9
2-4-12. I2C-CH1 Error (RED 16 times blink) ........... 2-10
2-4-13. I2C-CH0 Error (RED 17 times blink) ........... 2-10
2-4-14. Digital modulator Error
(RED 18 times blink) ..................................... 2-10
2-4-15. USB Error (RED 19 times blink) .................. 2-11
2-4-16. VCTP Error (RED 21 times blink) ................ 2-11
2-5. Audio Problem (Flow Chart_D) ............................. 2-12
2-6. Video Ploblem (Flow Chart_E) .............................. 2-13
3. DIAGRAMS ..................................................... 3-1
3-1.
BLOCK DIAGRAM .............................................. 3-1
3-2.
CIRCUIT BOARDS LOCATION ......................... 3-2
(1)
KDL-46V4800 ................................................. 3-2
(2)
KDL-52V4800 ................................................. 3-2
4. EXPLODED VIEWS ........................................ 4-1
4-1.
KDL-46V4800 ........................................................ 4-2
4-1-1.
REAR COVER AND STAND ASSY ............. 4-2
4-1-2.
BGC BOARD, IP5 BOARD AND SWITCH
UNIT ................................................................ 4-3
4-1-3.
BEZEL, LCD PANEL, H3E BOARD AND
H4 BOARD ...................................................... 4-4
4-1-4.
CONNECTOR ASSY ...................................... 4-5
4-2.
KDL-52V4800 ........................................................ 4-6
4-2-1.
REAR COVER AND STAND ASSY ............. 4-6
4-2-2.
BGC BOARD, D4 BOARD, D5 BOARD AND
SWITCH UNIT ................................................ 4-7
4-2-3.
BEZEL, LCD PANEL, H3E BOARD AND
H4 BOARD ...................................................... 4-8
4-2-4.
CONNECTOR ASSY ...................................... 4-9
4-3.
PACKING MATERIALS .................................... 4-10
4-3-1.
KDL-46V4800 ............................................... 4-10
4-3-2.
KDL-52V4800 ............................................... 4-11
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