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Panasonic TC-14RM12L P Service Manual
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Panasonic TC-14RM12L P Service Manual

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Service Manual

Color Television
TC-14RM12L P
TC-14RM12L P
TC-20RM12LP
TC-20RM12LP
TC-20RA12LP
TC-20RA12LP
Chassi GP41

Specifications

Television
Power Source
Antenna Input Jack
Color Systems
Tuning System
Channel Capability
Picture Tube
Audio Output
Video Input Jack
Dimension (WxHxD)
Weight
REMOTE CONTROL TRANSMITER:
Model:
EUR7717070
Power source: 3V (2 AA type batteries)
Infrared Length: 9500 Å (angstron)
•
•
•
TC-14RM12LP
TC-14RM12LP.
110/220V AC 50/60Hz
Automatic Switch
75Ω VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T
2~13 (VHF)
14~69 (UHF)
1~125 (CATV)
33Cm
8W PMPO
1 (rear)
370x352x372mm
9,6Kg
Specifications are subject to change without prior notice.
Mass and dimensions shown are aproximated.
TC-20RM12LP
TC-20RM12LP.
110/220V AC 50/60Hz
Automatic Switch
75Ω VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T
2~13 (VHF)
14~69 (UHF)
1~125 (CATV)
48Cm
13W PMPO
1 (rear)
514x468x461mm
17Kg
© 2006 Panasonic do Brasil Limitada
CS Division
Technical Support
Order DCS - DEZ2006 - 035 - LA
TC-20RA12LP
TC-20RA12LP.
110/220V AC 50/60Hz
Automatic Switch
75Ω VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T
2~13 (VHF)
14~69 (UHF)
1~125 (CATV)
48Cm
13W PMPO
1 (rear) + 1 (front)
514x468x461mm
17Kg
SUPPLIED ACCESSORIES:
• 1 Remote Control Transmitter
• 1 300Ω/75Ω Adaptor Ballum
• 2 "AA" type batteries
• 1 internal antenna

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Summary of Contents for Panasonic TC-14RM12L P

  • Page 1: Service Manual

    Power source: 3V (2 AA type batteries) • 2 “AA” type batteries Infrared Length: 9500 Å (angstron) • 1 internal antenna Specifications are subject to change without prior notice. Mass and dimensions shown are aproximated. © 2006 Panasonic do Brasil Limitada CS Division Technical Support...

  • Page 2: Table Of Contents

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) Important Safety Notice Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol . It is essential that these critical parts are replaced with the manufacturer’s specified replacement parts to prevent X-ray radiation, shock, fire or other hazards.

  • Page 3: About Lead Free Solder (Pbf)

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ABOUT LEAD FREE SOLDER (PbF) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn), Silver, (Ag), and Copper, (Cu).

  • Page 4: Operating Instructions

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) OPERATING INSTRUCTIONS Rear View Front View AV IN VIDEO AUDIO VIDEO AUDIO Antenna Audio/Video Only for input jack input jack TC-20RA12LP/LP. – MENU TV/AV Power Remote control TV/AV button Channel buttons switch sensor ( ) ( ) MENU button REMOTE CONTROL Indication light Volume buttons...

  • Page 5: Ic601 Pinout

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) IC601 PINOUT Nome Tipo Description SUPPLY Ground Platform VSUP8.0AU SUPPLY Supply Voltage Analog Audio, 8.0 V VREFAU Reference Voltage, Audio SPEAKERL Analog Loudspeaker Output, Left SPEAKERR Analog Loudspeaker Output, Right AOUT1L Analog Audio 1 Output, Left AOUT1R Analog Audio 1 Output, Right AIN3L / AOUT2L IN / OUT Analog Audio 3 Input, Left...

  • Page 6: Ic601 Pinout

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) IC601 PINOUT Nome Tipo Description VSUP3.3DAC SUPPLY Supply Voltage Video DACs, 3.3 V VSUP3.3IO SUPPLY Supply Voltage I/O Ports, 3.3 V SUPPLY Ground Platform SUPPLY Ground Platform VSUP3.3BE SUPPLY Supply Voltage Analog Video Back-end, 3.3 V XREF Reference Current for RGB DACs Reference Voltage for RGB DACs BOUT Analog Blue Output...

  • Page 7: Ic601 Block Diagram

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) IC601 BLOCK DIAGRAM - 7 -...

  • Page 8: Gp41 Chassis Feature Summary

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) GP41 CHASSIS FEATURE SUMMARY CHASSIS : GP41 MODEL : TC-14RM12LP, TC-14RM12LP • , TC-20RM12LP, TC-20RM12LP • , TC-20RA12LP e TC-20RA12LP • SYSTEM : 3 systems (PAL-M/PAL-N/NTSC) (PAL-M 50Hz) POWER SOURCE : AC automatic power switching 127/220V, 50/60Hz MEMORY : 125 positions TV TUNING RANGE : 181 channels...

  • Page 9: Service Hints

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) SERVICE HINTS SERVICE POSITION FOR E-BOARD 1. Remove the back cover. 2. Stand the TV set as shown in Fig. 2. 3. Remove the A-Board from the TV set by pulling the main board out as shown in Figure 2. Pull out this way Main Board Fig.

  • Page 10: How To Operate The Controls In The Service Mode 1

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) à How to operate the controls in the SERVICE MODE 1 SERVICE MODE 1 ITEM 14” 20” Key 3 / 4 Previous / next item H-POS Key 8 / 9 Adjusts bright (user) (–/+) V-POS UP/DOWN Channel Up / Channel Down H-AMP Volume + Increment of selected item...

  • Page 11: How To Access The Memory Maps

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) HOW TO ACCESS THE MEMORY MAPS (TC-14RM12LP, LP / TC-20RM12LP, LP / TC-20RA12LP, LP • • • 7. The “ ∧ ∧ ∧ ∧ ∧ ” and “ ∨ ∨ ∨ ∨ ∨ ” channel key changes the page one by 1.

  • Page 12: Table A4

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TABLE A4 C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N...

  • Page 13: Table A8

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TABLE A8 C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N...

  • Page 14: Table Ac

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TABLE AC C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N C O L U M N...

  • Page 15: Adjustments

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ADJUSTMENTS NECESSARY INSTRUMENTS: • CW GENERATOR • DVM (DIGITAL VOLT METER) • DUAL-TRACE OSCILLOSCOPE VOLTAGE RANGE • POWER SUPPLY DC 30V 0.001 V TO 50 VDIV. • ATENUADOR FREQUENCY RANGE DC TO 50 MHZ • ISOLATION TRANSFORMER (VARIABLE) PROBES 101, 11 •...

  • Page 16: Adjustments

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ADJUSTMENTS ITEM / PREPARATION PROCEDURE SUB-BRIGHT AND SUB-CONTRAST CALIBRATION SUB-BRIGHT CALIBRATION Supply a WINDOW pattern signal 1. Enter the Service Mode 1 and select S-BRT adjust control. 2. Adjust IMAGE MENU to DYNAMIC NORMAL 2. Press “RECALL” until the OSD S-BRT is off. 3.

  • Page 17: Adjustments

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ADJUSTMENTS ITEM / PREPARATION PROCEDURE WHITE QUALITY CALIBRATION CALIBRATION: 1. Adjust the magnetic field in 0.4x10-4T (400 mG), and check the white quality with the CRT turned to EAST and PREPARATION: to WEST. 2. Receive a red pattern, adjust the COLOR control to 1.

  • Page 18: Adjustments

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ADJUSTMENTS ITEM / PREPARATION PROCEDURE DEFLECTION CALIBRATION AND CONFIRMATION ADJUST AND CONFIRMATION (SERVICE MODE 1) 50Hz 1) V-CENTER 50Hz adjustment. (SERVICE MODE 3) 60Hz Supply a PHILIPS PAL-N signal Mode 4:3 2. Adjust V-POS to align the pattern center with the CRT center in vertical position.

  • Page 19: Adjustments

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) ADJUSTMENTS ITEM / PREPARATION PROCEDURE DEFLECTION CALIBRATION AND CONFIRMATION ADJUST AND CONFIRMATION (SERVICE MODE 1) 50Hz (continuation) (SERVICE MODE 3) 60Hz Mode 4:3 9) EW adjustment and confirmation . (continuation) Supply a PHILIPS PAL-N signal 2. Adjust EW-AMP1 so that the lateral vertical lines are straight.

  • Page 20: Schematics Diagrams

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) SCHEMATICS DIAGRAMS CRT P.C.B. - 20 -...

  • Page 21: Main P.c.b. Schematic Diagram

    MAIN P.C.B. SCHEMATIC DIAGRAM TC-14RM12LP / TC-14RM12LP( • ) / TC-20RA12LP / TC-20RA12LP( • ) / TC-20RM12LP / TC-20RM12LP( • )

  • Page 22: Main P.c.b. Circuit Layout

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) MAIN P.C.B. CIRCUIT LAYOUT Component View - 22 -...

  • Page 23: Signal Waveform

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) SIGNAL WAVEFORM • All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern. IC601 Pin 40 - VOUT1 (Analog Video 1 Output) Pin 25 - XTAL1 (Analog Crystal Input) Pin 60 – HOUT (Horizontal Drive Output) Pin 71 –...
  • Page 24 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) IC601 Pin 80 – SENSE (Sense ADC Input) Pin 84 - VERT- (Differential Vertical Sawtooth Output) Pin 85 - VERT+(Differential Vertical Sawtooth Output) IC451 Pin 1 Pin 3 - 24 -...
  • Page 25 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) IC451 Pin 5 Pin 7 IC801 Pin 1 Q551 Colletor - 25 -...

  • Page 26: Exploded View

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) EXPLODED VIEW - 26 -...

  • Page 28: Replacement Electrical Parts List

    TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) REPLACEMENT ELECTRICAL PARTS LIST TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. ASSEMBLED P.C.B. PAL14RM12LMON PAL20RA12LPMON PAL20RM12LMON ASSEMBLED P.C.B. CAPACITORS C002 ECJ2VF1H103Z ECJ2VF1H103Z ECJ2VF1H103Z CERAMIC CAP. SMD 10 nF 50 V C003 ECJ2VC1H220J ECJ2VC1H220J ECJ2VC1H220J CERAMIC CAP. SMD 22 PF 50 V 5% C004 ECJ2VC1H220J ECJ2VC1H220J...
  • Page 29 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. C623 F2A1C101A310 F2A1C101A310 F2A1C101A310 ELECTROLYTIC CAP. BIPOLAR 100 µF 16 V 20% C626 F2A1C101A310 F2A1C101A310 F2A1C101A310 ELECTROLYTIC CAP. BIPOLAR 100 µF 16 V 20% C627 F2A1C101A310 F2A1C101A310 F2A1C101A310 ELECTROLYTIC CAP. BIPOLAR 100 µF 16 V 20% C628 F2A1A471A274 F2A1A471A274...
  • Page 30 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. C1131 F1J1H103A590 F1J1H103A590 F1J1H103A590 CERAMIC CAP. SMD 10 nF 50 V C1142 ECJ2VF1H104Z ECJ2VF1H104Z ECJ2VF1H104Z CERAMIC CAP. SMD 100 nF 50 V +80 -20 % C2113 F2A1H3R3A317 F2A1H3R3A317 F2A1H3R3A317 ELECTROLYTIC POLAR CAP.
  • Page 31 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. D876 B0AACK000004 B0AACK000004 B0AACK000004 SWITCHING DIODE AXIAL 90 V 0,3 W 100 mA D881 B0BA01500052 B0BA01500052 B0BA01500052 ZENER DIODE AXIAL 15 V 0,5 W 5 mA D882 B0BA01500052 B0BA01500052 B0BA01500052 ZENER DIODE AXIAL 15 V 0,5 W 5 mA D883...
  • Page 32 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. Q303 B1GFCFAA0004 B1GFCFAA0004 B1GFCFAA0004 NPN SMD TRANSISTOR 0,2 W 50 V 100 mA Q304 B1ADDF000005 B1ADDF000005 B1ADDF000005 PNP SMD TRANSISTOR 0,2 W 50 V 200 mA Q305 B1ADDF000005 B1ADDF000005 B1ADDF000005 PNP SMD TRANSISTOR 0,2 W 50 V 200 mA Q306...
  • Page 33 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. R398 ERJ6GEYJ101V ERJ6GEYJ101V ERJ6GEYJ101V SMD RES. METALIC FILM 100 Ohm 1/8 W 5% R399 D0AE301JA046 D0AE301JA046 D0AE301JA046 AXIAL CARBON RESISTOR 300 Ohm 1/4W 5% R401 D0AE104JA046 D0AE104JA046 D0AE104JA046 AXIAL CARBON RESISTOR 100 kOhm 1/4 W 5% R403 ERJ6GEYJ563V ERJ6GEYJ563V...
  • Page 34 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. R669 ERDS2T0T ----------o---------- ERDS2T0T ERDS2T0T R701 ERJ6GEYJ103V ERJ6GEYJ103V ERJ6GEYJ103V SMD RES. METALIC FILM 10 kOhm 1/8 W 5% R827 ERJ6GEYJ153V ERJ6GEYJ153V ERJ6GEYJ153V SMD RES. METALIC FILM 15 kOhm 1/8 W 5% R829 ERJ6ENF3092V ERJ6ENF3092V...
  • Page 35 TC-14RM12LP/TC-14RM12LP(.)/ TC-20RA12LP/TC-20RA12LP(.)/TC-20RM12LP/TC-20RM12LP(.) TC14RM12LP(.) TC-20RA12LP(.) TC-20RM12LP(.) Part name & description Ref. No. R1228 ERJ6GEYJ101V ERJ6GEYJ101V ERJ6GEYJ101V SMD RES. METALIC FILM 100 Ohm 1/8 W 5% R1229 ERJ6GEYJ101V ERJ6GEYJ101V ERJ6GEYJ101V SMD RES. METALIC FILM 100 Ohm 1/8 W 5% R2112 ERJ6GEYJ102V ERJ6GEYJ102V ERJ6GEYJ102V SMD RESISTOR METALIC FILM 1 kOhm 1/8 W 5% R2114 ERJ6GEYJ104V...
  • Page 36 Panasonic da Amazônia S.A. CS DIVISION - TECHNICAL SUPPORT Rod. Presidente Dutra, Km 155 São José dos Campos - SP BRAZIL...

This manual is also suitable for:

Tc-20ra12lpTc-20rm12lp

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