Sony FDL-PT222 service manual Section Disassembly, Cabinets

Page 5

SECTION 2

DISASSEMBLY

2-1. CABINETS

1.Remove the battery cover 8.

2.Push two claws with a screwdriver or equivalent on the bottom and remove them.

2 channel button

claw

3.While pushing the rear cabinet, remove claws of joints with the front cabinet.

4. Insert a screwdriver or equivalent to the gap on the upper side of the cabinet, and while pushing the lock spring, put it down to the rear cabinet

side.

5. Remove the channel button 2.6 screw (+PTP2X6)

6. Disconnect CN501 (for speaker) on the A board.

7. Remove the B board 3 and the A board 4.

8.Remove solder for the lead wire (BLK) 9.

9.Remove a screw (+PTP2X6) 6 secured the T board 5.

10.Release the T1 board 5 from two claws (right and left) on the rear cabinet.

9 lead wire (BLK)

front cabinet

rear cabinet

lock spring

FDL-PT222

1front cabinet

3B board

4A board

5T1 board

claw

7rear cabinet

8battery cover

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Contents LCD Color TV FDL-PT222 Section General Page Cabinets Section DisassemblyService Position Board Adjustment FDL-PT222 Section Circuit AdjustmentsAudio Output Check VIF.AFT Coarse Adjustmnt T201, T202 T1 Board AdjustmentRF. AGC Adjustment RV201 AFT Fine ADJUSTMENTT201Channel Display Position Adjustment Contrast Adjustment RV402Block Diagram Section DiagramsPower SUPPLY, LCD Back LIGHT, Headphone AMP Circuit Boards Location Printed Wiring Boards and Schematic DiagramsT1 Board Waveforms T1 Board IC001 AN5707NFAPT1 Board IC201 M51348AFP T1 Board Headphone AMP Board IC501 NJM2070MBoard 0Vp-p 4.5MHz 1Vp-p 4.43MHz 0Vp-p H 7Vp-p H 1Vp-p H 4Vp-p H Board WaveformsCHROMA, LCD Interface Chassis Section Section Exploded ViewSemiconductors Capacitors PF ∝∝ F FDL-PT222 Section Electrical Parts ListT1 B Short RES, ADJ, Carbon 47K Tint RES, VAR 50K BRT 965-300-01