Memorex MT2206 Series A Page 41 Service Manual Download | Manualshive

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WAVEFORMS

NOTE: The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

H-2

200V 20

µ

s/div

17

22 50V 20

µ

s/div

50V 20

µ

s/div

20

10V 5ms/div

19

21 50V 20

µ

s/div

SOUND

25 0.5V 1ms/div

26 200mV 1ms/div

200mV 1ms/div

27

0.5V 1ms/div

33

10V 5ms/div

18

0.5V 1ms/div

32

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Summary of Contents for MT2206 Series A

Page 1: ...SERVICE MANUAL MT2206 Series A Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION A ...

Page 2: ...t which is replaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated parts must be used PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING 4 There are parts which use the insulation material such as a tube or tape for safety or which are ...

Page 3: ...NERAL SPECIFICATIONS DISASSEMBLY INSTRUCTIONS 1 REMOVAL OF ANODE CAP 2 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC SERVICE MODE LIST CONFIRMATION OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER DEFLECTION CRT TV POWER SOUND AV WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST...

Page 4: ...er Source AC 120V AC 60Hz DC Power Consumption at AC 90 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes G 4 Regulation Safety UL Radiation FCC X Radiation DHHS G 5 Temperature Operation 5o C 40o C Storage 20o C 60o C G 6 Operating Humidity Less than 80 RH G 7 On Screen Menu Yes Display Menu Type Character Picture Yes Contrast Yes Brightness Yes C...

Page 5: ...r Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select Yes Set Yes Set Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No Code No FF ...

Page 6: ... AHC Caution Sheet No AC Plug Adapter No Quick Set up Sheet No Battery No UM size x pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No Registration Card No PTB Sheet No 300 ohm to 75 ohm Antenna Adapter No G 13 Interface Switch Front Power Yes System Select No Main Power SW No Sub Power No Channel Up Reset Yes Channel Down Enter Yes Volume Up Set Up Yes Volume Down Set Down Yes MENU Volume Up Volume...

Page 7: ...x D x H mm x x Description of Origin No Gift Box Yes Material Double Brown Dimensions W x D x H mm 658 x 575 x 529 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 288 Sets 40 container G 17 Material Cabinet Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 DECABROM PCB Non Halogen Demand No Eyelet Demand No...

Page 8: ...ip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located wit...

Page 9: ...using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering...

Page 10: ...2 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Page 11: ...itial setting content of MEMORY IC POWER ON total hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value ADDRESS DATA INIT 00 50 CRT ON 0010 WHEN REPLACING EEPROM MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making ref...

Page 12: ... B BIAS 64 BRI CENT 110 CONT MAX 90 Place the set with Aging Test for more than 15 minutes Activate the adjustment mode display of Fig 1 1 and press the channel button 01 on the remote control to select CUT OFF Adjust the Screen Volume until a dim raster is obtained 2 2 FOCUS 1 2 3 Receive the monoscope pattern Turn the Focus Volume fully counterclockwise once Adjust the Focus Volume until picture...

Page 13: ... the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 10 2 Receive a broadcast and check if the picture is normal 2 9 OSD HORIZONTAL 1 2 Activate the adjustment mode display of Fig 1 1 Press the VOL UP DOWN button on the remote control until the difference of A and B becomes minimum and up 2 steps Refer to Fig 2 3 B A TV 00 OSD 16 Fi...

Page 14: ...of Fig 1 1 and press the channel button 17 on the remote control to select CONT MAX Press the VOL UP DOWN button on the remote control until the contrast step No becomes 90 Receive a broadcast and check if the picture is normal Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 1 3 Please check if the fixed values of the each adjustment items a...

Page 15: ...e color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for at least...

Page 16: ...ON GUIDE WIRING CONNECTION CRT DY TU001 CP401 VR502 FB401 CP601 AC IN MAIN PCB J 8 0 1 CP806 CRT PCB TP402 CP802B CP803B CP801 C R T C D 8 0 1 CP803A CP802A TP022 TP024 J712 J711 J710 CP502 L503 CP1001 SPEAKER VR402 VR401 DEGAUSS COIL S501A S501B W876 W874 D 5 ...

Page 17: ...Hor COUNT DOWN AFC 1 H COINCIDENT AFC 2 H PHASE 1 DY Q507 FEED BACK T501 3 7 13 FEED BACK SW Q502 BUFFER 5 MEMORY IC IC199 S 24C04BDP LA POWER VOL DOWN CH DOWN VOL UP CH UP X601 3 579545MHz OS101 1 11 MICON CHROM IC IC101 OEC7091A Chroma Proc ACC C BPF APC KILLER TINT DEMO IC501 LTV 817M VB TU001 13 12 11 10 17 66 SOUND DECORDER IC IC901 AN5829S Q501 SWITCHING D501 D504 RECTIFIER AC IN F501 L503 D...

Page 18: ...C630 C617 C610 C106 C601 X601 C605 IC199 C620 C621 D603 D604 C602 R104 Q601 W030 W031 C612 Q602 Q603 Q610 R605 R602 W001 W017 R606 W007 C628 W003 R614 R613 R615 Q606 R620 R611 Q607 W045 D606 R618 W074 W071 W065 R107 R108 R515 R130 W061 R608 Q609 W059 W013 W057 W056 W055 W054 R115 R123 R1002 R1010 W083 R127 R125 W079 W086 C002 W070 W080 W008 W010 W075 W015 W023 W089 R1014 W050 W049 W062 W078 W077 R...

Page 19: ... C914 C917 R906 R904 R308 I C 1 0 1 C102 C101 C104 C105 C107 C108_1 R102 R103 C113 R120 C603 C604_1 R601 C609 R604 C626 C627_1 R610 R607 R627 R609 C629 R621 R617 R616 R109 R110 R106 R105 R129 C001 R004 R003 R126 R128 R404 R740 R628 C809 C810 C811 R006 R111 R311 R113 R506 R133 R812 R817 R818 C114 C115 PRINTED CIRCUIT BOARDS MAIN CRT CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 B_SHORT ...

Page 20: ... 5 6 7 8 9 C633 10 16V KANP CP601 173979 7 1 2 3 4 5 6 7 TM101 RC DW130 P CON 5V CLAMP_OFF PROTECT P CON 5V H_OUT H_CTL ABCL CLAMP H_CTL G OUT R OUT H_SYNC B OUT PROTECT DEGAUSS_H CLAMP_OFF V_OUT GND V_FEEDBACK AT 5V ABCL H_OUT X RAY SDA R OUT G OUT SCL UNREG 12V B OUT H_SYNC VOLUME AFT REMOTE 12V KEY1 V_OUT POWER_FAIL UNREG 12V KEY2 V_FEEDBACK DEGAUSS_H GND POWER_ON TU BT REMOCON AUDIO_MUTE VIDEO...

Page 21: ...04 1K R432 680 1 2W R410 680 1 2W R411 1K 1 2W R412 470 1 2W R422 12K 1 2W R445 150K 1 2W R433 470 1 2W R413 1 8K 1 2W R406 1 1 2W R437 4 7K R813 470 R816 470 R815 470 R804_1 2 7K 1 2W R421 68K 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE...

Page 22: ...6 0 001 500V B C505 0 22 275V ECQUL C520_1 22 35V YK C511 47 25V YK C501 1000 25V YK R500 2 7M 1 2W 10 R506 22K R553 5 6K 1 4W R554 100K 1 4W R516 100 1 4W R513 100 R504_1 1K 1 4W R520 1 5M 1 2W R511 1 2M 1 4W R503 1 2M 1 4W R532 1 5K R533 270 R534 100 R505 270 R507 150 R514 5 6K 1 4W R515 10K 1 4W R528 3 3K 1 4W R529 22K 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DI...

Page 23: ...TIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE W894 W852 W868 W869 W840 W866 W839 W829 AUDIO SIGNAL Q1001 KTC3198 MUTE SW SCL SDA AUDIO_MUTE VOLUME GND FRONT_AUDIO_R FRO...

Page 24: ... THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED C702 10 16V KA C701 10 16V KA R733 1K R740 75 R734 1K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W860 TUNER VIDEO SIGNAL AUDIO SIGNAL D704 MTZJ6 8B D702 MTZJ6 8B FRONT_AUDIO_L FRONT_AUDIO_R GND GND VIDEO_IN GND GND R3_IN G 10 G 9 PCB010 TMC563 MAIN PCB FROM TO COMB FILTER ...

Page 25: ...e schematic diagram WAVEFORMS MICON CHROMA TUNER 2 20V 20µs div 1V 20µs div 7 H 1 10V 5ms div 18 3 200mV 20µs div 0 5V 5ms div 4 6 1V 20µs div 5 1V 20µs div DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div 16 2V 20µs div 200V 20µs div 17 10V 5ms div 19 50V 20µs div 20 21 50V 20µs div 22 50V 20µs div ...

Page 26: ...rms were measured at the point of the corresponding balloon number in the schematic diagram H 2 WAVEFORMS SOUND 25 0 5V 1ms div 26 200mV 1ms div 200mV 1ms div 27 28 200mV 1ms div 31 200mV 1ms div 0 5V 1ms div 32 0 5V 1ms div 33 ...

Page 27: ...10 MAIN PCB ASS Y 111 204 FB401 TU001 206 112 204 202 107 202 202 202 202 202 104 202 104 104 102 110 106 101A 101 101E 101D 203 SP1002 101D 203 SP1001 105 101C 101C 101B 103 109 201 V801 201 201 L503 PCB110 CRT PCB ASS Y 108 108 201 108 108 J801 ...

Page 28: ...ER CRT T 1 109 741WUA0001 SPRING EARTH 110 800WQ0A018 FELT SHEET 18x60xT0 5 111 899HV3T000 HOLDER ANODE WIRE 112 8995034000 CORD CLIP UL CO 201 8141J50C54 SCREW TAP TITE P GW22 5x35 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8110630A04 SCREW TAP TITE P BRAZIER 3x10 204 8109I30A04 SCREW TAP TITE B WH7 3x10 205 8107630804 SCREW TAP TITE S BRAZIER 3x8 206 8109630802 SCREW TAP TITE B BRAZIER 3x8 7...

Page 29: ...0713K CC 0 001 UF 2KV B SW101 0504101T34 SWITCH TACT EVQ21505R DIODES SW102 0504101T34 SWITCH TACT EVQ21505R D001 D97U03301B DIODE ZENER MTZJ33B T 77 SW103 0504101T34 SWITCH TACT EVQ21505R D402 D2W0011E10 DIODE SILICON 11E1 B EIC SW104 0504101T34 SWITCH TACT EVQ21505R D404 D97U05R11B DIODE ZENER MTZJ5 1B T 77 SW105 0504101T34 SWITCH TACT EVQ21505R D405 D97U06R21B DIODE ZENER MTZJ6 2B T 77 VARIABLE...

Page 30: ...1060 B14 TM101 076N0DW130 TRANSMITTER RC DW130 TU001 0163300005 RF UNIT 115 V K015AR_B V801 098Y210434 CRT W DY A51LMV10X16N45 X601 100CT3R505 CRYSTAL HC 49 C RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPR...

Page 31: ...M3M9 07X O R NO SPEC NO W363006 ...

Page 32: ...SERVICE MANUAL MT2206 Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION B ...

Page 33: ...R609 C618_1 C606 R601 R134 C138 C121 R130 R106 R105 R120 R104 R103 R102 R124 R125 C114 C113 R112 I C 6 0 1 R115 R113 R602 IC101 R117 R116 R119 R131 C801 R814 R811 R816 R813 C810 R809 C811 R141 R142 R907 R815 R108 C103 C104 C609 R109 C634 R639 R123 R122 R403 R129 R121 C108 C107 R908 R118 R1005 C140 C909 C906 PRINTED CIRCUIT BOARDS MAIN CRT CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Page 34: ...CES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D001 MTZJ30B W819 W811 TM101 RC DW040 L101 2 7uH IC199 S 24C04BDP LA MEMORY IC 1 2 3 4 5 6 7 8 SW103 SKHVBED010 VOL UP SW104 SKHVBED010 VOL DOWN SW105 SKHVBED010 POWER SW102 SKHVBED010 CH DOWN SW101 SKHVBED010 CH UP IC101 OEC7072A MICON IC 1 10 11 12 13 14 15 16 17 18 19 ...

Page 35: ...WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D606 MTZJ6 8B D612 MTZJ12B D602 MTZJ8 2B D611 MTZJ12B D610 MTZJ12B W816 W801 W817 W818 W802...

Page 36: ... 200V PP C403 0 22 100V MKT C444_2 0 001 2KV R C417 10 50V YK C446_1 10 50V KA C414 100 35V YK C433 470 35V YK C418_1 1000 25V YK C435 0 1 100V MHE C448 10 250V YK R416 680 1 2W R430_1 100 1 4W R417 15K 1 4W R425 150 1 4W R448_1 270K 1 2W R422 22K 1 2W R446 4 7K 1 2W R811 4 7K R809 4 7K R813 390 R814 4 7K R815 390 R418 33K 1 4W R804 2 7K 1 4W R421 100K 1 4W R436 2 2 1 2W R407 2 2 1 2W R419 270 1 4...

Page 37: ... MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE C531 1000 16V YK C521 100 160V YXF C507_1 330 200V USR C517_2 330P 2KV R C560_2 330P 2KV R C533 0 001 250V KY C505 0 1 275V PHE840 C512 0 0082 M C509 0 047 M C513 0 001 Y C502 0 001 2KV B C503 0 001 2KV B C506 0 1 275V PHE840 C514_1 820P 2KV R C561 680P W C518_1 0 0022 KY C530 0 001...

Page 38: ...UBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION W826 W839 W828 W842 W829 W830 SCL SDA VOLUME AUDIO_MUTE SOUND_L SOUND_R FR...

Page 39: ... EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE C702 10 16V KA C701 10 16V KA R712 10 1 4W R734 1K R733 1K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W863 FRONT_AUDIO_L FRONT_AUDIO_R GND VIDEO_IN G 11 G 12 TO CHROMA TO SOUND PCB250 TEBA98 PCB010 TMB541 V_IN...

Page 40: ...rms were measured at the point of the corresponding balloon number in the schematic diagram CHROMA 1 1V 0 1µs div 6 0 5V 20µs div 200mV 20µs div 7 9 200mV 20µs div 0 5V 5ms div 10 8 20V 20µs div 11 1V 20µs div 12 1V 20µs div 1V 20µs div 13 DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div 16 2V 20µs div ...

Page 41: ...the point of the corresponding balloon number in the schematic diagram H 2 200V 20µs div 17 22 50V 20µs div 50V 20µs div 20 10V 5ms div 19 21 50V 20µs div SOUND 25 0 5V 1ms div 26 200mV 1ms div 200mV 1ms div 27 0 5V 1ms div 33 10V 5ms div 18 0 5V 1ms div 32 ...

Page 42: ...EW PCB010 MAIN PCB 104 TU001 206 205 112 201 FB401 201 206 101 204 SP1001 204 SP1002 110 108 113 114 PCB250 AV PCB 204 109 102 202 103 202 202 202 202 202 105 115 115 202 111 107 203 V801 203 203 203 L503 106 PCB110 CRT PCB J801 ...

Page 43: ...4000 CORD CLIP UL CO 113 7220001107 SHEET HWC 114 7220001119 SHEET CSA WARNING 115 800WQ00068 FELT SHEET 201 8109I30A04 SCREW TAP TITE B WH7 3x10 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8121J50B54 SCREW TAPPING B0 GW20 5x28 204 8110630A04 SCREW TAP TITE P BRAZIER 3x10 205 8109630802 SCREW TAP TITE B BRAZIER 3x8 206 8107630804 SCREW TAP TITE S BRAZIER 3x8 7230007398 SECURITY TAG 791WHA0025 L...

Page 44: ...E ZENER MTZJ30B T 77 SW102 0504201T31 SWITCH TACT SKHVBED010 D403 D2WT011E10 DIODE SILICON 11E1 EIC SW103 0504201T31 SWITCH TACT SKHVBED010 D404 D97U05R11B DIODE ZENER MTZJ5 1B T 77 SW104 0504201T31 SWITCH TACT SKHVBED010 D405 D97U06R21B DIODE ZENER MTZJ6 2B T 77 SW105 0504201T31 SWITCH TACT SKHVBED010 D407 D2WTAU02A0 DIODE SILICON AU02A EIC VARIABLE RESISTOR D408 D1VT001330 DIODE SILICON 1SS133T ...

Page 45: ...SG04H02BRA TH501 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A TM101 076N0DW040 TRANSMITTER RC DW040 TU001 0145100059 TUNER VHF UHF ENV56DB6G3 V801 098Y210435 CRT W DY A51LMV10X20N45 X602 100CT3R505 CRYSTAL HC 49 C RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACIT...

Page 46: ...M3L7 03X O R NO SPEC NO W243007 ...

Page 47: ...hock while the electric current is flowing 3 USE THE DESIGNATED PARTS The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety Therefore the part which is replaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the desi...

Page 48: ...G EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT AUDIO MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER SOUND JACK SOUND WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A2 1 A1 1 A1 1 A1 1 A2 1 A3 1 A3 4 B1 1 B2 1 B2 2 C 1 C 1 C 2 D 1 D 5 E 1 E 2 F 1 F 2 F 3 F 4 G 1 G 2 G 3 G 4 G 5 G 6 ...

Page 49: ...0V AC 60Hz DC Power Consumption at AC 90 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes G 4 Regulation Safety UL CSA Radiation FCC IC DOC X Radiation DHHS HWC G 5 Temperature Operation 5o C 40o C Storage 20o C 60o C G 6 Operating Humidity Less then 80 RH G 7 On Screen Menu Yes Display Menu Type Character Picture Yes Contrast Yes Brightness Yes C...

Page 50: ...1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select Yes Set Yes Set Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No Code No FF No Rew...

Page 51: ...No AC Cord No AV Cord 2Pin 1Pin No Registration Card No PTB Sheet No 300 ohm to 75 ohm Antenna Adapter No G 13 Interface Switch Front Power Yes System Select No Main Power SW No Sub Power No Channel Up Reset Yes Channel Down Enter Yes Volume Up Set Up Yes Volume Down Set Down Yes MENU Volume Up Volume Down Yes Rear AC DC No TV CATV Selector No Degauss No Main Power SW No Indicator Power No Stand b...

Page 52: ...igin No Gift Box Yes Material Double White Dimensions W x D x H mm 658 x 575 x 529 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 288 Sets 40 container G 17 Cabinet Material Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 A3 4 ...

Page 53: ...ip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located wit...

Page 54: ... a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering mach...

Page 55: ...hin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and installati...

Page 56: ... be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 8 Writing of EEPROM initial data NOTE Do not use this for the normal servicing VOL MIN Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUSTMENT On Screen Display Adjustment 9 CONFIRMATION OF HOURS USED POWER ON total hours can be checked on the screen Total hours are displayed i...

Page 57: ...and should blink Using the SET or keys on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using SET or until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been ch...

Page 58: ...UP DOWN button or Channel button 0 9 on the remote control to select the options shown in Fig 1 2 Press the MENU button on the remote control to end the adjustments 2 3 Prepare the following measurement tools for electrical adjustments FUNCTION OSD H CUT OFF RF AGC VIF VCO H VCO H PHASE V SIZE V SHIFT R DRIVE B DRIVE R BIAS G BIAS B BIAS BRIGHT CENT BRIGHT MAX BRIGHT MIN NO 00 01 02 03 04 05 06 07...

Page 59: ...ntrol until the SHIFT quantity of the OVER SCAN on right and left becomes minimum 2 9 VERTICAL SHIFT 1 2 3 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Press the VOL UP DOWN button on the remote control until the horizontal line becomes fit to the notch of the shadow mask 2 10 OSD HORIZONTAL 1 2 Activate the adjustment mode display of Fi...

Page 60: ...ch 1KHz R ch Non input and receive the RF Connect the oscilloscope to the pin 6 and pin 7 of CP601 Press the AUDIO SELECT button on the remote control to set to the stereo mode Activate the adjustment mode display of Fig 1 1 and press the channel button 26 on the remote control to select SEP 1 Press the VOL UP DOWN button on the remote control to adjust it until the R ch output becomes minimum Set...

Page 61: ...e color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for at least...

Page 62: ...RING CONNECTION ELECTRICAL ADJUSTMENTS IC901 TU001 CP401_1 TP402 CP802A CP701B T501 W027 CP601_1 FB401 S501B S501A CP701A TP022 TP024 CP806 J801 CP801 CD801 CRT R 8 0 5 J702 R 8 0 3 AV PCB CRT PCB MAIN PCB CRT CP1001 SPEAKER W062 CD501 CP802B VR502 W058 ...

Page 63: ...402 H DRIVE Q401 H OUTPUT 6 5 SCL SDA X RAY POWER 29 8 51 AUDIO OUT VIF IN 1 G IN B IN R IN RF AGC OUT POWER ON CONT H OUT VIF Vcc VIF IN 2 20 SCL 26 SDA 27 INV FBP OUT 10 V PULSE OUT 5 V OUT 28 FPB IN 12 14 STEREO 5V REG Q605 REG Q608 REG Q604 X602 3 579545MHz 31 11 49 8 7V REG OUT P CON 5 7V REG AT5 7V REG OUT Y SW OUT R OUT G OUT 47 RECTIFIER 16 B OUT Q606 REG 5V REG Q603 AT 5V FEED BACK SW Q50...

Page 64: ...5 W108 W843 R806_1 R804 R802_1 C124 R635 R514 R419 W811 D507 W079 W037 T501 W814 W106 C504 D518 D514 D509 D505 R427 W027 C620 W058 W111 Q607 R613 W112 C921 C919 Q608 Q801 Q802 Q803 C002 C003 C004 C416 C417 C430 C440 C501_1 C632 C638 C903 C910 D001 D407 D605 IC501 Q401 R408 R409 R429 R629 C437 D403 W033 W065 D410 Q501 W858 W860 W861 W862 R107 W113 R640 W078 CP601_1 W115 W060 R503 Q502 C512 R507 C50...

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