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Sony FDL-PT222 Service Manual

Lcd color tv
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SERVICE MANUAL
MODEL
COMMANDER
––––––
––––––––––––
FDL-PT222
MICROFILM
Please file according to model size. .......
2.2
DEST. CHASSIS NO.
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US
MODEL
COMMANDER
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––––––––––––
LCD COLOR TV
DEST. CHASSIS NO.
––––– –––––––––––
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  • Page 1 SERVICE MANUAL MODEL COMMANDER –––––– –––––––––––– FDL-PT222 MICROFILM Please file according to model size..DEST. CHASSIS NO. MODEL ––––– ––––––––––– –––––– COMMANDER DEST. CHASSIS NO. –––––––––––– ––––– ––––––––––– LCD COLOR TV...

  • Page 2: Table Of Contents

    MATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFEOPERATION ARE IDEN- TIFIED IN THIS MANUAL.
  • Page 3 SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating Instruction Manual remain as in the manual. (Par t no : 4-083-376-11) – 3 –...
  • Page 4 – 4 –...

  • Page 5: Disassembly

    SECTION 2 DISASSEMBLY 2 channel button 6 screw (+PTP2X6) 9 lead wire (BLK) front cabinet – 5 – FDL-PT222 1 front cabinet 3 B board 4 A board 5 T1 board claw 7 rear cabinet 8 battery cover...

  • Page 6: Service Position

    FDL-PT222 2-2. SERVICE POSITION B board CN301 AC power adaptor Cable for service 1-900-211-84 CN601 J101 Mini-jack – 6 – CN602 A board Cable for service 1-900-211-84 T1 board CN201 Antenna...

  • Page 7: Circuit Adjustments

    (D.GND) and make a coarse adjustment of T201 so that wave- form is close to zero at the 45.75 MHz position. 4. Remove the 1 kilohm resistor connected between JL77 (+4.5V) and JL28 (RF AGC). – 7 – FDL-PT222 0.01 F JL26 75 6dB Fig. 3-1...
  • Page 8 FDL-PT222 [AFT FINE ADJUSTMENT(T201)] 1. Connect a 1 kilohm resistor between JL77 (+4.5V) and JL28 (RF AGC). Note : Perform this adjustment as the last step in the process since drift may occur due to aging. 2. Switch the sweep signal to CW.

  • Page 9: Diagrams

    SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM (1) BALUN T101 STRAP ANTENNA J101 EXT ANT IF AMP Q201 TU101 TUNER SWITCH COMPOSITION Q010-012 BAND SELECT +4.5V BUFFER Q001 Q002 GEN. RV001 CHANNEL DISPLAY POSITION CH13 RV002 CHANNEL DISPLAY POSITION CH1 V LOW RV004 CHANNEL DISPLAY POSITION CH12...

  • Page 10: Block Diagram (2)

    4-2. BLOCK DIAGRAM (2) CN502 S601 +4.5V (1/2) IC501 HEADPHONE AMP AUDIO AUDIO RV501 T1 BOARD CN201 VIDEO VIDEO H SYNC S601 (2/2) F601 RV601 +4.5V +4.5V UP DOWN SW 11 S001 S002 BATTERY RV450 J701 D701 DC IN 4.5V A (POWER SUPPLY, LCD BACK LIGHT, HEADPHONE AMP) –...

  • Page 11: Circuit Boards Location

    MEMO – 13 – 4-3. CIRCUIT BOARDS LOCATION Note: The symbol Terminal name of semiconductors in silk screen printed circuit ( Transistor Transistor Diode 4-4. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Diode Note: • Capacitors without voltage indication are all 50V. Diode •...

  • Page 12: T1 Board

    T1 BOARD : IC001 AN5707NFAP STOP CHCAL Vcc 5V DEFEAT BAND COMPARATOR H.P. TUNING BS ADD PLUSE WIDTH CONTROL SIGNAL M.M. STOP INPUT H.syn BAR OUTPUT CONTROL BAR DISPLAY AUTO POSITION RETURN CHARGE/ BT GENERATOR DISCHAGE ADJUST INITIAL RESET MANU C.S.

  • Page 13: T1 Board

    T1 BOARD IC VOLTAGE LIST T1 BOARD DIODE Pin Volt Pin Volt Pin Volt D001 IC001 1 D002 IC001 IC201 12 GND TRANSISTOR Q001 Q002 Q003 29 GND Q004 Q007 Q010 D-10 Q011 IC201 1 Q012 Q201 Q202 Q203 VARIABLE RESISTOR RV001 RV002...
  • Page 14 A BOARD : IC501 NJM2070M +INPUT BIAS -INPUT OUTPUT POWER 100k – 19 – POWER SUPPLY, UNREG LCD BACK LIGHT, R513 CN602 :CHIP HEADPHONE AMP C506 D.GND C502 6.3V F:CHIP C501 0.01 4.5V AUDIO B:CHIP AUDIO OUTPAT C504 R509 120k :CHIP T1 BOARD H.SYNC...

  • Page 15: A Board

    – A Board – A BOARD DIODE D406 D601 D602 D603 D604 D605 D701 – IC501 TRANSISTOR Q401 Q601 Q602 Q603 Q610 Q701 Q702 VARIABLE RESISTOR RV450 RV501 RV601 A BOARD IC VOLTAGE LIST Pin Volt IC501 1 A BOARD TRANSISTOR VOLTAGE LIST Q401 13.9 30.5 13.4 Q601 0.5 1.2 GND...
  • Page 16 R403 4.5V :CHIP Y/C JUNGLE, C402 MONITOR CONTROL CN301 D.GND 4.5V H.P. R301 R307 R309 4.5V :CHIP :CHIP :CHIP D.GND RV301 R308 C311 C303 C301 A.GND 4.7k 0.01 180p :CHIP :CHIP B:CHIP :CHIP 6.3V H.SYNC A BOARD C306 CN601 C302 0.033 VIDEO CH:CHIP...

  • Page 17: B Board

    B BOARD IC VOLTAGE LIST B BOARD Pin Volt Pin Volt Pin Volt IC301 1 IC401 1 33 GND TRANSISTOR 13 GND 39 GND 44 GND 22 GND RV301 RV402 B BOARD TRANSISTOR VOLTAGE LIST Q302 0.3 3.5 GND Q303 3.6 Q402 3.9 Q403 2.1 Q408...

  • Page 18: Semiconductors

    4-5. SEMICONDUCTORS A71-2980 XN4601 SB-01-15CP SB05-05CP TOP VIEW 44 pin QFP MA8043 AN5707NFAP MA8051 XP4601 MA8240 MA8360 1SS355 TOP VIEW ANODE 32 pin QFP M51348AFP M52042FP 11EQS04 2SC2873Y 2SD1119-Q CATHODE 1 TOP VIEW 24 pin SOP NJM2070M 2SD1819A 8 pin SOP UN2110 MA152WK UN211D...

  • Page 19: Electrical Parts List

    8-729-031-37 TRANSISTOR 2SC3837KT146Q 10% 50V Q202 8-729-216-22 TRANSISTOR 2SB709A-R-TX 20% 6.3V – 29 – FDL-PT222 • CAPACITORS PF : • There are some cases the reference number on one board overlaps on the other board. Therefore, when ordering parts by the reference number, please include the board name.
  • Page 20 FDL-PT222 REF. NO. PART NO. DESCRIPTION –––––––– ––––––––– ––––––––––––– Q203 8-729-424-76 TRANSISTOR UN2210-TX R001 1-216-097-11 RES-CHIP R002 1-216-097-11 RES-CHIP R003 1-216-093-91 RES-CHIP R004 1-216-089-91 RES-CHIP R005 1-216-101-00 RES-CHIP R008 1-218-762-11 METAL CHIP R009 1-216-687-11 METAL CHIP R010 1-216-298-00 RES-CHIP...
  • Page 21 1/10W RB402 1-236-416-11 NETWORK, RES 2.2K 1/10W RB403 1-236-416-11 NETWORK, RES 2.2K 1/10W RB404 1-236-416-11 NETWORK, RES 2.2K 1/10W RB405 1-236-416-11 NETWORK, RES 2.2K – 31 – FDL-PT222 REMARK ––––––––– 1/10W 1/10W 1/10W 1/10W 150K 1/10W 1/10W 470K 1/10W 100K...
  • Page 22 FDL-PT222 REF. NO. PART NO. DESCRIPTION –––––––– ––––––––– ––––––––––––– RV301 1-223-588-11 RES, ADJ, CARBON 47K (TINT) RV402 1-223-588-11 RES, ADJ, CARBON 47K (CONTRAST) X301 1-567-505-11 OSCILLATOR, CRYSTAL 3.58MHz X401 1-760-601-21 VIBRATOR, CRYSTAL 4.5MHZ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *...
  • Page 23 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ACCESSORIES ************* 4-083-376-11 MANUAL, INSTRUCTION REMARK ––––––––– 1/10W 1/10W 1/10W 1/10W 1/8W – 33 – FDL-PT222...
  • Page 24 FDL-PT222 Sony EMCS Corporation Ichinomiya Tec. English 2001DR02-1 Quality Assurance Division 9-965-300-01 ©2001.4 – 34 –...

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