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ORDER No. SM-03002
Colour Television
TX-21JT2P
TX-21JT2P/B
Z-M3L Chassis
SPECIFICATIONS
Power Source: 220-240V a.c., 50Hz
Video/Audio Terminals:
AV1 IN Video (21 pin) 1V p-p 75Ω
Power Consumption: 60W
Audio (21 pin) 500mV rms 10kΩ
RGB (21 pin)
Stand-by Power
Audio (RCAx1) 500mV rms 10kΩ
Consumption: 1W
Video (RCAx1) 1V p-p 75Ω
Aerial Impedance: 75Ω unbalanced, Coaxial Type
AV1 OUT Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 1kΩ
Receiving System: PAL-B/G, DK , PAL-525/60
SECAM B/G
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CONTENTS SAFETY PRECAUTIONS ......................................................................................................................................................... 2 SERVICE HINTS....................................................................................................................................................................... 3 ALIGNMENT SETTINGS ..................................................................................................................
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SERVICE HINTS How to remove the rear cover 1. Remove the 5 screws as shown in Fig.2. SCREWS SCREWS Fig. 2. LOCATION OF CONTROLS AV Board CRT Board Main Board Focus Screen 3
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ALIGNMENT PROCEDURE AND OPTION SETTING Entering SERVICE mode Service mode is entered by selecting the “mute” remote key and local “down” simultaneously with the sharpness DAC set to Minimum and programme position 99 selected. Service mode 2 is selected by pressing the Recall remote key while in service mode 1. Service mode navigation - Up /Down remote keys :cycle through the service items available. - -/+ remote keys
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BLOCK DIAGRAM TU001 SCL SDA BPL AGC IF TV/AV 4 5 7 1 11 UP Q602 BUFFER P.CON+5V DOWN EEPROM MICON/CHROMA IC199 FUNCTION IC101 TDA9361_401-61 S-24C16AFJA-TB-01 V.OUTPUT 6 23 24 IC401 TDA8357J STR KEY_IN 7 SDA 5 3 SDA SCL 6 2 SCL V+ 22 1 INA 7 OUTA D101 DY V- 21 2 INB LED1 10 3.3V(A) 54 FB401 Q405 Q401 56 VDD 1 H_OUT 33 H.DRIVE H.OUTPUT 2 +B AT3.5V Vddp 61 J801 H.DRV+B 3 VIDEO AMP F F 6 180V IC801 TDA6107Q OS101 1 64 IR 1 VI(1) 8 58 X_TAL B_OUT 53 VOC(3) 7 7 S X101 VOC(2) HV G_OUT 2 VI(2) 52
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PARTS LOCATION NOTE: The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List. This diagram is used for representative purposes only. 12 3 7 15 13 9 1 2 6 11 14 5 10 16 4 8 7
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REPLACEMENT PARTS LIST Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order. Cct Ref Parts Number Description Cct Ref Parts Number Description D501 RM11C-EIC DIODE COMMON PARTS D502 RM11C-EIC DIODE D503 RM11C-EIC DIODE D
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Cct Ref Parts Number Description Cct Ref Parts Number Description Ω Q512 TPAAB05001 TRANSISTOR R114 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100 Ω Q513 TNAAB05003 TRANSISTOR R115 ERJ6GEYJ221 S.M.CARB 0.1W 5% 220 Ω Q601 2SC2412 TRANSISTOR R116 ERJ6GEYJ153 S.M.CARB 0.1W 5% 15K Ω Q602 2SC2412 TRANSISTOR R117 ERD25TJ332 CARBON 0.25W 5% 3K3 Ω Q606 2SC2412 TRANSISTOR R118 ERD25TJ101 CARBON 0.25W 5% 100 Ω Q607 2SC2412 TRANSISTOR R119 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100 Ω Q608 2SA10
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Cct Ref Parts Number Description Cct Ref Parts Number Description Ω Ω R606 ERJ6GEYJ562 S.M.CARB 0.1W 5% 5K6 R807 ERJ6GEYJ102 S.M.CARB 0.1W 5% 1K Ω Ω R607 ERJ6GEYJ102 S.M.CARB 0.1W 5% 1K R808 ERJ6GEYJ102 S.M.CARB 0.1W 5% 1K Ω Ω R608 ERJ6GEYJ392 S.M.CARB 0.1W 5% 3K9 R809 ERJ6GEYJ102 S.M.CARB 0.1W 5% 1K Ω Ω R609 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100 R810 ERQ12AJ470 FUSIBLE 0.5W 5% 47 Ω Ω R610 ERJ6GEYJ473 S.M.CARB 0.1W 5% 47K R1002 ERD25TJ124 CARBON 0.25W 5% 120K Ω Ω R621 ERJ6GEYJ561 S.M.CARB 0.1W 5% 56
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Cct Ref Parts Number Description Cct Ref Parts Number Description 220nF C601 ECQV1H224JL3 FILM 50V J801 CVT3275-5101 CRT SOCKET 100µF C602 ECA1CM101B ELECT 16V J1001 HTJ-035-28A RCA JACK 0.1µF C603 CS0RB0315K CERAMIC 25V SWITCHES 220nF C604 ECQV1H224JL3 FILM 50V SW101 EVQ21505R SWITCH 2.2nF C605 ECKC1H222J CERAMIC 50V SW102 EVQ21505R SWITCH 1µF C606 CS0RB0216K CERAMIC 16V SW103 EVQ21505R SWITCH 4.7nF C607 ECKC1H472J CERAMIC 50V SW104 EVQ21505R
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SCHEMATIC DIAGRAMS FOR MODEL TX-21JT2P TX-21JT2P/B (Z-M3L CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE 1. RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM (Ω ) (k=1,000, M=1,000,000) 2. CAPACITORS All capacitors are ceramic 50V unless marked otherwise. Unit of capacitance is µ F unless otherwise
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ABC D E F G H MICON/CHROMA SCHEMATIC DIAGRAM FROM/TO DEFLECTION/CRT (MAIN PCB) 8 8 B.OUT G.OUT R.OUT ICATH H_OUT 9 H.PLUSE V+ V- 567 ABL L101 FROM/TO SOUND AMP/21PIN B-IN 10uH G_IN 0305 R_IN C_IN EXT_A_IN OS101 R101 R102 R103 R104 7 7 F_BLANK PIC-37142SY FRONT_V_IN BUFFER 180 220 330 470 EXT_V_OUT Q608 1.7 EXT_A_OUT 2SA1037AK R642 1.8 220K R621 0 C641 S801Y C122 560 0.0022 B 16V 10 KA R627 L602 BUFFER Q606 7.9 TO SOUND AMP/21PIN BUFFER 2 100K 10uH 2SC2412K Q607 2SC2412K 7.9 3.6 AUDIO_OUT R632 4
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ABC D E F G H SOUND AMP/21PIN SCHEMATIC DIAGRAM (MAIN PCB) 8 8 C709_1 C704 0.001 CH 21PIN 16V 10 KA J701 0350_9982_05 R701 L701 BT001 1K 10uH L705_1 10uH R702 R6RC/2P R714 2.2K TM101 C702 W810 EUR511300 75 R706 0.001 CH 7 7 R703 1K 1/4W 330K 1/4W NC R707 R715 75 1K 1/4W SOUND AMP IC IC1001 AN7523 NC R713 75 R708 + 1K 1/4W 1234567 89 R710 68 8.9 5.1 0 5.1 6.0 1.4 0NC 3.2 6 6 S801X L706 R704 75 10uH R709 75 R711 100K FROM/TO MICON/CHROMA EXT_V_OUT S/SW R_IN HS1001 G_IN 763WAA0217 B-IN 5 5 F_BLANK
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ABC D E F G H DEFLECTION/CRT SCHEMATIC DIAGRAM (MAIN PCB) 8 8 CP802A CP802B B2013H02-5P B2013H02-5P FROM MICON/CHROMA GND 1 1 GND G.OUT G.OUT 2 2 G.OUT R.OUT R.OUT 3 3 R.OUT B.OUT B.OUT 4 4 B.OUT ICATH ICATH 5 5 ICATH VIDEO AMP IC IC801 TDA6107Q CD803 CH243401 HEATER HEATER GND GND V.OUTPUT IC 7 7 IC401 TDA8357J NC NC 180V 180V 123456789 D402 3.0 3.0 3.1 0 6.6 193 120.0 120.0 120.0 AU02A-EIC R807 C404 TO DY 123456789 1K 500V 0.0022 B R808 1.0 0.9 12.7 6.9 0 26.7 7.8 1.3 7.1 CP401 1K 17 18 A1561W
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ABC D E F G H POWER SCHEMATIC DIAGRAM (MAIN PCB) 8 8 REG REG Q503 Q509 KTC3209_Y KTC3209_Y TO SOUND AMP/21PIN 9.0 5.0 5.0 3.3 SOUND+B R505 5.6 3.9 REG R538 P.CON+8V Q501 100 1/4W KTC3209_Y D532 SOUND_GND 270 1/4W GND 9.0 5.0 1N4005-EIC W819 5.6 R507 C516 D533 100 1/4W 500V 470P B FROM/TO DEFLECTION/CRT 7 7 1N4005-EIC D505 H.DRV+B SB290S SW D524 +B D510_1 Q506 D508 SB290S KRA102SRTK R537 30DF6-FC 5.6 09.0 SB290S D511 SW C517_1 R528 SW 0 100 Q512 9.0 Q505 B504 8.9 KRA102SRTK SW 0.1 1K 2SC2412K 2KV
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R402 D803 L802 C122 C1008 SW101 SW102 SW103 SW104 SW105 W814 R126 IC801 HS801 CP502 D801 D804 L704 C804 W002 RY501 W001 C541 R1009 R109 W009 C1001 C1007 W010 R501 CC002 D501 C1011 D504 CP701A W011 C1002 D503 C519 C109 C513 W013 D502 C1004 R117 C106 C1006 C516 L104 C506 D524 D508 W818 R510 W804 W063 R112 C505_1 D505 R658 W022 W808 C523 B502 C602 IC502 C101 R407 L601 C504 W027 C517_1 Q511 C640_1 W028 C521 R414 C608 C409 C533 C610 W025 D513 HS503 C619 IC501 D516 R511 R719 R653 C514 C515 R516 C633 R
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PRINTED CIRCUIT BOARDS MAIN/CRT/AV (CHIP MOUNTED PARTS) SOLDER SIDE R652 R609 C650 Q602 R610 C656 IC199 R806 R656 R805 C108 Q609 C648 R804 C001 R005 R008 R110 C655_1 C618 R111 C617 R608 R606 R605 Q601 C606 R607 R651 Q606 R627 R623 R704 Q607 R637 R710 C646 R634 C647 R715 R621 R401 R711 R714 C408_1 Q608 C641 C401 C709_1 C1009 C1013_1 R102 R101 C1012 Q505 R528 R537 Q504 Q506 Q512 R533 Q513 R525 R531 R526 C518 F-3 F-4 R809 R808 R807 R103 C802 R104 R717 C703 W815 R115 R106 R1004 R108 R119 R120 R105 R
