SERVICE MANUAL 3Y11 CHASSIS
Contents
1. T R612 C615 2200P Belg 100 2 1603 0 68 20 BYW36 616 T 1000 1600 C321 1000 1609 JH R614 2200P 4 7K o R621 C640 24 0640 1 350 BYW36 8611 258366 1 osos BA158 8529 er gt 17 gt 642 7710000 621 420 a 6872W pay BAL pame E 4148 F601 T3 15A AC250U STR 6653 6632 R632 610 470 tg 1815 0 001 C613 2200P 4KU R642 100 R637 13K R636 618 87840 INU R252 100 i R253 100 R513 15 24 R508 15 2 R522 15 2 R254 100 312 1 2500 R331 R320 1 2 24 R329 IQ R231 330 o C317 680P R316 3 972W 1 0304 158 1 i gt gt 9636 04 SCART lt 7301 05150 C302 680 1 1 attention all the components with sn N 2 attention the heat2. NIA BVESALS 938 10 21 2009215 20001 vival 321 1 25 ek os 1 0 0025 1022 53070 10 0 g I TOREO H 49 XXEE9BY 1022 MS 10201 T Ast lt asr UAMOd TOA TOA NI 2AY NI TAY 110 19 TUNER 0 9 BM 4 5 1 102 Hi 64 004 13K 16402 184285 6 3 0 6 3 7 0 10V 0 10V 21V INT GNDEXT SW VOL 2 3 5 0V 0 50V 1 8v 0 0 10v 0 10vV 21V NF GND OUTUCC 16403 OE R705 100 tA4285 R706 100 GND OUTUCC 184 lt 1 ay 5705348 16701 TO CONTROL BOARD 1 001 88633 cogs 9 coo7 gp 32K 18 22 51008 007 1006 4005 5 50 92 124 RDI RD2 RD3 33K 15K CN404 RO LO A R OUT 4 P403 05 RD4 RDS RD6 12062 5 6 3 9K AU OUT U OUT U IN LA IN RA IN
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4. GROUND with sign 5 may be several change All the data are only used for reference D305 158 CN301 TITLE SY11 SCHEMATIC DIAGRAM SYSTEM PAL NTSC SECAM 90 2600 P N 0502 A3Y111 01 DATE 2003 03 11
5. SERVICE MANUAL 3Y11 CHASSIS 599 Design and specifications are subject to change without prior notice ONLY REFERRENCE ENGINEER BY CHECKEDBY PPROVED BY _____ Service Adjustments MAIN CHASSIS ADJUSTMENT B Adjustment VR601 Disconnect horizontal load Connecta light bulb 100W AC250V across C321 Connect 220 AC 50 60Hz to CN601 and switch on power switch Test the voltage with digital meter between C321 two terminals Adjust VR601 to obtain 110V 0 5V was DM Hw 1 2 3 4 FACTORY MODE ADJUSTMENT 1 Press MENU key twin tillthe PICTURE MENU appears then press Q VIEW key MUTE key to turn on CPU TV SET willgo tofactory mode Press TIMER key tothe next Factory menu Go to MENU3 status by this means 2 Press MENU key to exit factory mode AGC Adjustment 1 Receive 60dB 2dB therefore signal Connect Digital voltmeter positive terminal to AGC terminal of Tuner and negative terminal to GND 2 Goto MENUS status accorging to FACTORY MODE ADJUSTMENT 2 Select RF AGC by pressing CH or PROG keys Adjust VOL VOL keys to obtain 4V Digital vol Tage meterreading 3 Press MENU key to exit factory mode COMPLETE SET GENERAL ADJUSTMENT 1 Receive monoscope pattern 2 Set TV to work in dynamic status 3 Adjust the focus knob of FBT to getthe clearest picture Screen Voltag Adjustment 1 Goto factory mode MENU2 status according to AGC adjustment 2 2
6. Select V KILLby prssing CH or PROG CH or PROG KEYS 3 Press VOL keyall the time adjustthe screen of FBT to geta horizontal faintness beamline Then Loose VOL White Balance Adjustment Applied when servicing 1 Setthe TV set to AV mode Receive black white pattern color temperature test pattern 2 Putthe test probe 1 of CRT color analyzer CA 100 onthe low bright areaand the test probe 2 on the high bright area Adjust bright and contrast to get 5nit of low bright area and 80nit of high bright area 3 Goto factory mode MENU2 according to AGC adjustment 2 Obtain low bright areato 281 Y 311 by adjusting R bias andB bias Obtain both areato X and Y by adjusting the two status repeatedly Note the values of X amp may be changed by the favour Of customers 15 Service Adjustments Sub bright Adjustment 1 Receive GREY SCALE signal 2 Set TV normal mode 3 Goto factory mode adjust sub bright option to make the picture same as below Totally dark brightness Vertical size and pincushion adjustment 1 Receive monoscope pattern Set TV standard status Adjust V size to obtain picture vertical redisplay ratio more than 90 in factory mode MENU1 2 Receive cross hatch pattern Set TV standard status Adjust V LINE and V SC to obtain picture vertical cushion agood status factory mode MENU1 3 Receive cross hatch patter
7. n Set Tv standard status In factory mode MENU1 adjust V POSITION to obtain picture vertical center of CRT screen Horizontal Center adjustment Receive PHILIPS pattern Set TV standard status Adjust H PHASE to obtain horizontal centerat the center of of CRT screen Secam color decoder alignment Receive the GREY SCALE COLOR BAR signal Enter into the factory mode Adjust the valuse of secam R Y DC and Secam B Y DC to make the gray scale to the normal color Pure flattube alignment Horizontal size and pincushion distortion must be adjustedin pure flat tube as following 1 Receive mono scope pattern Adjust VR902 untill redisplay ratio is correct 2 Receive cross hatch pattern signal Adjust Vr901 untill the erect klines of the CRT twosides are most straight 16 Chassis Block Diagram 2080 HI 2 be TVINOZRIOH 100 284 0202091 NI OPRLVI oe NOLITO Ino A NI dad NI YANO WOURTHA 4 T TOTVMS line 018921 C E 2072 sna 2 E g 190 sna IHA
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