Panasonic TX-15AT1 Service Manual
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Panasonic TX-15AT1 Service Manual

Panasonic TX-15AT1 Service Manual

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ORDER No. PCZ0507073S2
Service Manual
Colour Television
TX-15AT1
Z-M3L Chassis
NOTE:
This supplement should be used in conjunction with the Service Manual for the model TX-15AT1 (SM-02012).
ORIGINAL
MFR'S VERSION A
Design and specifications are subject to change without notice.

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  • Page 1 ORDER No. PCZ0507073S2 Service Manual Colour Television TX-15AT1 Z-M3L Chassis NOTE: This supplement should be used in conjunction with the Service Manual for the model TX-15AT1 (SM-02012). ORIGINAL MFR’S VERSION A Design and specifications are subject to change without notice.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ..............................A1-1 SERVICING NOTICES ON CHECKING ..................... A2-1 HOW TO ORDER PARTS .......................... A2-1 IMPORTANT ............................... A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ......................WHEN REPLACING EEPROM (MEMORY) IC ..................ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL ADJUSTMENTS ................. 2.

  • Page 3: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 4: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 15 inch / 357mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System Speaker 1 Speaker Position Front Size 1.5 x2.5 Inch Impedance Sound Output 3.0 W 10%(Typical) 3.0 W DDR SECAM NTSC3.58(AV)+NTSC4.43 PAL60Hz...
  • Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Matsushita Character Contrast Brightness Colour Tint (NTSC Only) Sharpness Off Timer Set SOUND menu Bass Treble Balance BBE On/Off Stable Sound On/Off Set UP TEXT Language Aspect Color Balance Colour System(AV only) Tuning Menu OSD Language Volume Correc...
  • Page 6 GENERAL SPECIFICATIONS G-10 Remote Unit RC-FL Control Glow in Dark Remocon Format KASEIKYO Custom Code Power Source Voltage(D.C) UM size x pcs UM-3 x 2 pcs Total Keys Keys Keys Power ./.. Volume Up / + Volume Down / - TV/AV SLEEP TIMER CALL...
  • Page 7 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft(Back Up 30 Min.) Memory(Last CH) Memory(Last Volume) Auto Search CH Allocation Just Clock Function Game Position CH Label VM Circuit Full OSD Unitext Fastext Top Text Premiere Comb Filter Lines Auto CH Memory Stable Sound...
  • Page 8 GENERAL SPECIFICATIONS G-13 Interface Switch Front Power (Tact Sw) System Select Main Power SW TV/AV Down Function Rear AC/DC TV/CATV Selector Degauss Main Power SW Indicator Power Stand-by Stand-by/Remocon Stand-by/ON On Timer Terminals Front Video Input Audio Input Other Terminal Head Phone Rear Video Input(Rear1)

  • Page 9: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS INSTALLATION 1. REMOVAL OF ANODE CAP 1. Clean the spot where the cap was located with a small Read the following NOTED items before starting work. amount of alcohol. After turning the power off there might still be a potential voltage that is very dangerous.

  • Page 10: When Replacing Eeprom (Memory) Ic

    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 reference to TABLE 1 (For TX-15AT1 (PAL-I )). bit 0...

  • Page 11: Electrical Adjustments

    NOTE: Adjust it at the AV mode. S-COLOR + Set condition is AV MODE without signal. Panasonic Place the set with Aging Test for more than 15 minutes. Initialization of the factory. Press the FACTORY button on the Jig Remocon.
  • Page 12 ELECTRICAL ADJUSTMENTS 2-7: VERTICAL SIZE (RF) Place the set with Aging Test for more than 15 minutes. Receive the cross hatch signal from the Pattern Genera- tor. Set the color balance to normal position. Press the FACTORY button on the Jig Remocon. Press the V-SIZE +/- button on the Jig Remocon until 100% the rectangle on the center of the screen becomes...

  • Page 13: Purity And Convergence Adjustments

    ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.

  • Page 14: Electrical Adjustment Parts Location Guide (Wiring Connection

    ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB TP801 J801 CP806 CD402 CP802B CP803B CP801 CD801 J701 CP803A TP002 FB401 CP401 CP402 R456 TP401 VR501 CP802A CP701A AC IN CD501 CP501 L503 CP502 CD701 AV PCB CP701B CD1002 J702...

  • Page 15: Block Diagram

    BLOCK DIAGRAM TU001 SCL SDA TV/AV P.CON+5V DOWN MEMORY MAIN/CHROMA IC199 FUNCTION IC101 TDA9360 S-24C16AFJA-TB-01 V-DRIVE IC401 TDA8714A KEY_IN P.CON+25V V+ 22 OUTA D101 V- 21 LED1 3.3V(A) FB401 Q405 Q401 H.DRIVE H.OUTPUT H_OUT AT3.5V Vddp J801 P.CON+25V VIDEO AMP 180V OS101 IC801 TDA6107Q...

  • Page 16: Printed Circuit Boards Main/Crt/Av

    PRINTED CIRCUIT BOARDS MAIN/CRT/AV (INSERTED PARTS) SOLDER SIDE F501 FH502 FH501 SW501 CP402 C535 CP501 R506 R504 C501 D101 R503 R522 R523 C507 L501 D507 D509 W017 W062 OS101 C509 R501 Q502 W034 FB401 TH501 D525 W007 W033 R524 D520 T502 T501 D402...
  • Page 17 PRINTED CIRCUIT BOARDS MAIN/CRT/AV (CHIP MOUNTED PARTS) SOLDER SIDE R652 R609 C650 Q602 R610 R804 IC199 C648 R656 R806 C108 Q609 R805 C001 R005 R008 R110 C618 R111 C617 R608 R606 R605 Q601 C606 R607 R651 Q606 R627 R623 R704 Q607 R637 R710...
  • Page 18 MICON/CHROMA SCHEMATIC DIAGRAM FROM/TO DEFLECTION/CRT (MAIN PCB) B.OUT G.OUT R.OUT ICATH H_OUT H.PLUSE L101 FROM/TO SOUND AMP/21PIN B-IN 10uH G_IN 0305 R_IN C_IN EXT_A_IN OS101 R101 R102 R103 R104 F_BLANK PIC-37142SY FRONT_V_IN BUFFER EXT_V_OUT Q608 EXT_A_OUT 2SA1037AK R642 220K R621 C641 S801Y C122...
  • Page 19 SOUND AMP/21PIN SCHEMATIC DIAGRAM (MAIN PCB) 21PIN J701 0350_9982_05 C704 W811 BT001 ANT001 R701 L701 180PRA-PP-01-400 10uH R702 L705 R714 2.2K 10uH TM101 EUR511300 R706 R703 1K 1/4W 330K 1/4W R707 R715 1K 1/4W R713 R708 SOUND AMP IC1001 AN7523 1K 1/4W R710 L706...
  • Page 20 DEFLECTION/CRT SCHEMATIC DIAGRAM (MAIN PCB) (CRT PCB) CP802A B2013H02-5P CP802B B2013H02-5P FROM/TO MICON/CHROMA G.OUT G.OUT G.OUT R.OUT R.OUT R.OUT B.OUT B.OUT B.OUT ICATH ICATH ICATH VIDEO AMP IC801 TDA6107Q CP803A B2013H02-4P CP803B B2013H02-4P HEATER HEATER V.OUTPUT IC401 TDA8357J 180V 180V D402 18.5 120.0 120.0 120.0 AU02A-EIC...
  • Page 21 POWER SCHEMATIC DIAGRAM (MAIN PCB) Q503 Q509 KTC3209_Y KTC3209_Y FROM/TO SOUND AMP/21PIN SOUND+B R505 R538 P.CON+8V Q501 1001/4W KTC3209_Y D532 SOUND_GND 270 1/4W 1N4005-EIC R507 C516 W819 D533 1001/4W 500V 470P FROM/TO DEFLECTION/CRT 1N4005-EIC D505 H.DRV+B SB290S D510 D524 Q506 15DF6 D508 SB290S...

  • Page 22: Micon/Chroma

    WAVEFORMS MICON/CHROMA 20µs 20µs 1.00V 1.00V 0.5V 20µs 20µs 1.00V 1.00V 10.0V 20µs 20µs 20µs 1.00V 2.00V 5.0V 20µs 20µs 20µs 2.00V 0.5V 1.00V DEFLECTION/CRT 20µs 20µs 1.00V 0.5V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 23 WAVEFORMS 20µs 20µs NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 2...
  • Page 24 ORDER No. SM-02012 Colour Television TX-15AT1 Z-M3L Chassis SPECIFICATIONS Power Source: 220-240V a.c., 50Hz AV1 OUT Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 1kΩ Power Consumption: 26.5kV ± 1kV High Voltage: Stand-by Power Consumption: Picture Tube:...
  • Page 25 CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 ALIGNMENT SETTINGS................................4 WAVEFORM PATTERN TABLE ...............................5 BLOCK DIAGRAMS ..................................6 PARTS LOCATION ...................................7 REPLACEMENT PARTS LIST ..............................8 SCHEMATIC DIAGRAMS ...............................12 CONDUCTOR VIEWS................................17 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the Check each exposed metallic part and check the a.c.
  • Page 26 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...
  • Page 27 ALIGNMENT PROCEDURE AND OPTION SETTING Entering SERVICE mode To enter the On-Screen display adjustment, adjust the unit to channel 99, select the sharpness setting using the function (F) button. Set the sharpness to a minimum using the minus button. Press function key again to store the sharpness setting. Then press the DOWN button on the unit whilst pressing the MUTE button on the remote control.
  • Page 28 WAVEFORMS MICON/CHROMA 20µs 20µs 1.00V 1.00V 0.5V 20µs 20µs 1.00V 1.00V 10.0V 20µs 20µs 20µs 1.00V 2.00V 5.0V 20µs 20µs 20µs 2.00V 0.5V 1.00V DEFLECTION/CRT 20µs 20µs 1.00V 0.5V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 29 WAVEFORMS 20µs 20µs NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 2...
  • Page 31 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.
  • Page 32 DIODE 701UPJ0306 CABINET D503 RM11C-EIC DIODE 702UPA0233 BACKCOVER D504 RM11C-EIC DIODE 7225760001 MODEL LABEL D505 SB290S DIODE 7235760001 PANASONIC BADGE D506 MTZJT-775.6B DIODE 735UPA0100 POWER BUTTON D507 MTZJ18BT-77 ZENER DIODE 8R140027 DEGAUSS COIL D508 SB290S DIODE A36AKJ13X02E D509 MA165TA5 DIODE A3L007C110K CRT P.C.B.
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description Q511 2SK2647-01MR MOSFET R119 ERJ6GEYJ101 S.M.CARB 0.1W Q512 KRA102SRTK SWITCHING TRANSISTOR R120 ERJ6GEYJ101 S.M.CARB 0.1W Q513 KRC102SRTK SWITCHING TRANSISTOR R123 ERJ6GEYJ101 S.M.CARB 0.1W Q601 2SC2412 TRANSISTOR R124 ERJ6GEYJ103 S.M.CARB 0.1W Q602 2SC2412 TRANSISTOR...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R610 ERJ6GEYJ473 S.M.CARB 0.1W R1002 ERD25TJ124 CARBON 0.25W 120K R621 ERJ6GEYJ561 S.M.CARB 0.1W R1003 ERD25TJ822 CARBON 0.25W R622 ERD25TJ101 CARBON 0.25W R1004 ERJ6GEYJ103 S.M.CARB 0.1W R623 ERJ6GEYJ273 S.M.CARB 0.1W R1009 ERDS1TJ101 CARBON 0.5W...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description SW102 SKHVBED010 SWITCH C602 ECA1CHG101 ELECT 100µF C603 ECUV1E105KBN CERAMIC 100nF SW103 SKHVBED010 SWITCH SW104 SKHVBED010 SWITCH C604 ECQV1H224JL3 FILM 220nF C605 ECUV1H222KBN CERAMIC 2.2nF SW105 SKHVBED010 SWITCH C606 CL21B105KONE CAPACITO 1µF SW501...
  • Page 36 SCHEMATIC DIAGRAMS FOR MODEL TX-15AT1 (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 RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.

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