Sony Watchman FDL-250T Service Manual Download | Manualshive

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SERVICE MANUAL

MODEL

COMMANDER

DEST. CHASSIS NO.

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––––– –––––––––––

MODEL

COMMANDER

DEST. CHASSIS NO.

––––––

––––––––––––

–––––

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MICROFILM

∗

Please file according to model size. .......

FDL-250T

US

2.5

LCD COLOR TV

1
2
3
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Summary of Contents for Watchman FDL-250T

Page 1: ...SERVICE MANUAL MODEL COMMANDER DEST CHASSIS NO MODEL COMMANDER DEST CHASSIS NO MICROFILM Please file according to model size FDL 250T US 2 5 LCD COLOR TV ...

Page 2: ...e Page 1 GENERAL Power Sources see fig A 3 Operation see fig B 3 External Antenna Connection see fig C 3 Using with Video Equipment see fig D 4 Precsutions 4 Troubleshooting 4 WARNING 4 2 DISASSEMBLY 2 1 Case A board and H board Removal 5 2 2 LCD Case and B board Removal 5 2 3 Service Position 5 3 CIRCUIT ADJUSTMENTS 6 4 DIAGRAMS 4 1 Block diagram 8 4 2 Circuit Boards Location 11 4 3 Printed Wirin...

Page 3: ... the TV Set the OFF VHF UHF switch to OFF To improve the broadcast reception Extend the strap antenna and adjust the unit s orientation until reception is optimal Notes Grasp the unit as shown in fig B 1 so that your fingers are not pinched when opening the display and sunshade You can open the display and sunshade to about 190 Do not force it open further There may be poor broadcast reception in ...

Page 4: ...de No picture no sound The AC power adaptor is disconnected Incorrect battery polarity Weak batteries Replace all the batteries with new ones The external antenna is disconnected The video equipment is not connected properly Good picture no sound Turn the VOL dial to the direction The headphones are connected Weak batteries Replace all the batteries with new ones The video equipment is not connect...

Page 5: ...and JL407 GND 3 Adjust RV308 TINT so that the waveform level resembles that of Fig 3 7 3 6 CONTRAST ALIGNMENT RV301 1 Receive the stepped waveform signal in 10 steps 2 Observe the waveform across JL421 VG and JL407 GND 3 Align RV301 CONT so that 100IRE section matches the standard below Fig 3 6 3 5 V COM ALIGNMENT RV302 RV306 1 Adjust BRT VR RV901 to1 740 0 005VDC between JL301 BRT and JL307 A GND...

Page 6: ... 19 OEV 18 STVL 24 VGL 21 U D 18 UNREG 17 UNREG 14 HP 12 30V 10 7 5V 9 5V 6 UHF 4 IND 2 10V 1 BRT 7 VIDEO 5 VHF INVERTER Q302 HSY O VSY I SYNC SEP Q401 402 Csync NPD OSC O OSC I 1 3 4 O IC403 LCD CONTROL IC401 OSC CN401 SW Q306 SW Q305 L401 T202 45 75MHz 10 AUDIO 4 AUDIO 2 BRT 1 5V 7 AUDIO 5 AUDIO 4 2 1 7 5 10 RV901 BRT RV550 VOL HEAD PHONE J550 CN550 CN202 HEAD PHONE BRT VOL VR H IC600 SWITCHING ...

Page 7: ...ABLE CEMENT ADJUSTMENT RESISTOR COIL LF 8L MICRO INDUCTOR CAPACITOR TA TANTALUM PS STYROL PP POLYPROPYLENE PT MYLAR MPS METALIZED POLYESTER MPP METALIZED POLYPROPYLENE Note The symbol display is on the component slde The components identified by shading and mark are critical for safety Replace only with part number specified The symbol indicate fast operating fuse Replace only with fuse of same ra...

Page 8: ... DIODE UPPER LOWER D001 B 3 9 D002 A 2 7 D003 B 2 3 D201 B 2 5 D202 C 3 3 D501 A 1 7 D600 B 1 3 D601 B 2 5 D602 B 2 5 D603 B 2 5 D604 B 2 5 D605 C 1 7 D606 A 1 3 D607 C 1 C 1 D609 B 1 3 TRANSISTOR UPPER LOWER Q001 B 3 2 Q002 A 3 º Q003 B 2 2 Q004 B 2 2 Q005 B 2 3 Q006 A 2 2 Q007 A 2 2 Q008 B 2 2 Q010 B 3 ª Q011 B 3 Q012 B 3 2 Q201 B 3 2 Q202 C 3 2 Q203 A 3 3 Q600 A 2 3 Q601 A 1 2 Q602 C 2 2 Q604 C...

Page 9: ...1 25 V B 1 6 0 8 0 01 25V B 1608 0 01 25V B CHIP 0 01 25V B 1608 0 01 25V B 1608 0 01 25V B 1608 0 01 25V B 1608 0 01 25V B 1608 10 16V 7L 10 7L 0 1 16V B 1608 0 1 16V B 1608 0 01 25V B 1608 0 1 16V B 1608 SB01 15CP SB01 15CP SB05 05CP 47k 1 16W CHIP 33k 1 16W RN CP 680 1 16W CHIP 4 7 CHIP 2 2 CHIP 270k 1 16W RN CP 10 16V 7L 0 1 25V F 1608 FR CP FR CP 47µH 100µH FR CP 100 CHIP 0 1 2 5 V F 1 6 0 8 ...

Page 10: ...W RN CP 10 10V TA CP 10k 1 16W CHIP 10k 1 16W CHIP 100 CHIP 1 10V B CHIP 3 3 16V TA CP 0 47 16V B CHIP 18P MA8160 M TX 10k 1 16W CHIP 10k 1 16W CHIP 10k 1 16W CHIP 10k 1 16W CHIP 10k 1 16W CHIP 470 1 16W CHIP 470 1 16W CHIP 2 2k 1 16W CHIP 68k 1 16W CHIP 47k 1 16W CHIP 68k 1 16W CHIP 33k 1 16W CHIP 10k 10k 2 2k 1 16W CHIP 33k 1 16W CHIP 470 1 16W CHIP 0 1 25V F 1608 10 20V TA CP 10 20V TA CP 10 20...

Page 11: ...1 12 13 14 15 16 17 18 E C C B B E E C B E B C E B B E C C E C C B E C B B B E E E C C C Conductor Side Component Side B Board B Y C J LCD CONTROL DIODE UPPER LOWER D301 C 2 3 D302 A 2 3 D401 A 3 3 TRANSISTOR UPPER LOWER Q302 A 2 2 Q303 C 2 2 Q304 B 2 2 Q305 B 2 2 Q306 B 2 2 Q401 A 3 2 Q402 A 3 Q701 C 1 2 Q702 C 1 2 Q703 B 1 1 Q704 B 1 1 IC UPPER LOWER IC301 C 1 IC302 B 2 IC401 C 3 IC403 C 3 VARIA...

Page 12: ...902 JL100 JL101 JL102 JL103 JL104 JL106 JL107 JL105 D550 JL109 HEAD PHONE BRIGHT AUDIO VOLUME JL108 10k 50k 390 1 16W CHIP 470 1 16W CHIP 470 1 16W CHIP 10P MA157 TX 180k 1 16W CHIP 110k 1 16W CHIP H HEAD PHONE BRIGHT AUDIO VOL H Board CN550 5V BRT GND AUDIO AUDIO NC AUDIO NC UNREGGND AUDIO 1 2 3 4 5 6 7 8 9 10 ...

Page 13: ...6 YG 2SD1819A QRS E B C XN1115 5 4 1 3 2 2 1 3 4 5 XN4215 XN4215 TW 5 6 4 1 3 2 1 2 3 6 5 4 XP4601 XP4601 TXE 4 5 6 2 1 5 6 4 1 3 2 3 XP6501 XP6501 TXE 3 5 6 4 1 3 2 4 5 6 2 1 2SC2873Y TE12L 2SD1119 Q 2SD1623 S B C E MA111 K8 SO MA111 TX MA8043 M MA8062 MA8160M MA8160 M TX MA8240 TX MA8360 MA8360 TX CATHODE ANODE 4 4 SEMICONDUCTORS MA335 MA335 TX CATHODE ANODE SB01 15CP CATHODE ANODE NC SB05 05CP ...

Page 14: ...073 319 01 COLLAR HINGE 3 1 803 809 11 INDICATOR MODULE LIQUID CRYSTAL 4 4 073 313 01 SHIELD LCD 5 4 073 308 01 HOLDER LCD 6 A 1136 044 A B BOARD COMPLETE 7 4 073 305 01 CASE LCD LOWER 8 4 073 318 01 HINGE 9 X 4037 306 1 CASE ASSY BATTERY UP 10 4 073 311 01 BUTTON POWER 11 1 504 847 11 SPEAKER 2 8cm 12 A 1299 025 A A BOARD COMPLETE 13 1 675 949 11 FLEXIBLE BOARD 14 4 073 321 01 SHEET A PC BOARD 15...

Page 15: ...329 1 109 982 11 CERAMIC CHIP 1µF 10 10V C330 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C331 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C332 1 109 982 11 CERAMIC CHIP 1µF 10 10V C333 1 109 982 11 CERAMIC CHIP 1µF 10 10V C334 1 113 985 11 TANTAL CHIP 10µF 20 20V C335 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C336 1 164 156 11 CERAMIC CHIP 0 1µF 25V C337 1 115 581 11 TANTAL CHIP 100µF 20 16V C338 1 162 970...

Page 16: ...6W R332 1 216 841 11 RES CHIP 47K 5 1 16W R333 1 216 825 11 RES CHIP 2 2K 5 1 16W R334 1 216 837 11 RES CHIP 22K 5 1 16W R335 1 216 841 11 RES CHIP 47K 5 1 16W R336 1 216 809 11 RES CHIP 100 5 1 16W R337 1 216 837 11 RES CHIP 22K 5 1 16W R338 1 216 845 11 RES CHIP 100K 5 1 16W R339 1 216 843 11 RES CHIP 68K 5 1 16W R340 1 216 839 11 RES CHIP 33K 5 1 16W R341 1 216 843 11 RES CHIP 68K 5 1 16W R342 ...

Page 17: ...25V C210 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C211 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C212 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C213 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C215 1 126 513 11 ELECT 47µF 20 6 3V C218 1 162 970 11 CERAMIC CHIP 0 01µF 10 25V C219 1 135 145 11 TANTAL CHIP 0 47µF 20 25V C220 1 162 964 11 CERAMIC CHIP 0 001µF 10 50V C221 1 162 964 11 CERAMIC CHIP 0 001µF 10 50...

Page 18: ... 100µH L606 1 412 027 11 INDUCTOR CHIP 2 2µH TRANSISTOR Q001 8 729 420 24 TRANSISTOR 2SB1218A QRS Q002 8 729 427 74 TRANSISTOR XP4601 Q003 8 729 420 44 TRANSISTOR UN5210 Q004 8 729 424 38 TRANSISTOR UN2110 Q005 8 729 424 38 TRANSISTOR UN2110 Q006 8 729 420 44 TRANSISTOR UN5210 Q007 8 729 424 45 TRANSISTOR UN211D TX Q008 8 729 230 63 TRANSISTOR 2SC4116 YG Q010 8 729 403 45 TRANSISTOR XN1115 Q011 8 ...

Page 19: ...HIP 10K 5 1 16W R605 1 216 825 11 RES CHIP 2 2K 5 1 16W R606 1 216 837 11 RES CHIP 22K 5 1 16W R607 1 216 009 91 RES CHIP 22 5 1 10W R608 1 216 025 91 RES CHIP 100 5 1 10W R609 1 216 847 11 RES CHIP 150K 5 1 16W R612 1 216 825 11 RES CHIP 2 2K 5 1 16W R613 1 216 833 91 RES CHIP 10K 5 1 16W R614 1 216 833 91 RES CHIP 10K 5 1 16W R615 1 216 833 91 RES CHIP 10K 5 1 16W R616 1 216 825 11 RES CHIP 2 2K...

Page 20: ...IP 110K 5 1 16W VARIABLERESISTOR RV550 1 223 900 21 RES VAR 10K VOL RV901 1 223 901 21 RES VAR 50K BRT MISCELLANEOUS 1 504 847 11 SPEAKER 2 8cm 1 675 949 11 FLEXIBLE BOARD 1 754 098 11 ANTENNA STRAP 1 803 809 11 INDICATOR MODULE LIQUID CRYSTAL ACCESSORIES AND PACKING MATERIALS 3 867 899 11 MANUAL INSTRUCTION REF NO PART NO DESCRIPTION REMARK H 9 965 268 01 Sony Ichinomiya Corporation Quality Assur...

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