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Panasonic

The service technician is required to read and follow the “Safety Precautions” and “Important Safety Notice” in this Main Manual.

Service Manual

Color Television

(NA8ML)

Main Manual

Copyright 2001 by Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.

WARNING! This Service Manual is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death.” 

CT-32SX31E

BP371

CT-32SX31UE

BP371

CT-32SX31CE

BP371

CT-36SX31E

BP372

CT-36SX31UE

BP372

CT-36SX31CE

BP372

ORDER NO. MTNC010524C1

B5

Chassis

Models

This Service manual is issued as a service guide for the models of the NA8ML family listed above. Included in this
manual are a set of schematic, block diagrams, functional descriptions, alignment procedures, disassembly
procedures and a complete parts list.

®

Summary of Contents for CT-32SX31E

Page 1: ... individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death CT 32SX31E BP371 CT 32SX31UE BP371 CT 32SX31CE BP371 CT 36SX31E BP372 CT 36SX...

Page 2: ...he lead of the DVM Adjust Picture Menu for normalized video adjustments High Voltage Check 1 Select an active TV channel and confirm that horizontal is in sync 2 Adjust Brightness and Picture using Picture Icon menu so video just disappears 3 Confirm B 140 0V is within limit 4 Using a high voltage meter confirm that the High Voltage is 31 0kV 1 0kV T U N E R TP 1 8 A V REAR INPUTS IC101 D BOARD A ...

Page 3: ...in upper corner 7 Press the Power Button on the Remote Control to select one of the Serviceman Adjustment Modes 1 B Serviceman VCJ SUB DATA ADJUSTEMENT 2 C Serviceman VCJ CUT OFF ADJUSTMENT 3 D Serviceman GEOMETRY ADJUSTMENT 4 M Serviceman MTS ADJUSTMENTS 5 P Serviceman PIP ADJUSTMENT 6 S Serviceman S OPTION ADJUSTMENTS 7 X Serviceman X OPTION ADJUSTMENT 8 E Serviceman E OPTION ADJUSTMENTS 9 CHK N...

Page 4: ... G 128 C02 CUT OFF B 128 C03 BRIGHTNESS 31 C04 G DRIVE 64 C05 B DRIVE 64 C06 DRIVE C TEMP 8 C07 CONT C TEMP 5 C08 CUTOFF R COMP 112 C09 CUTOFF G COMP 114 C0A CUTOFF B COMP 103 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 20 Note Write Down the original value set b in Fig 20 for each address before modifying anything It is easy to erroneo...

Page 5: ...ustment Default Level M00 INPUT LEVEL 33 M01 LOW LEVEL SEPARATION 6 M02 HIGH LEVEL SEPARATION 25 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 20 Note Write Down the original value set b in Fig 20 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adju...

Page 6: ...P POS 160 P0A PIP POS 10 P0B PIP POS 116 P0C N A N A P0D PIP YDELAY 4 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 20 Note Write Down the original value set b in Fig 20 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adjust the level of the selecte...

Page 7: ...nything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adjust the level of the selected Service Adjustment b in Fig 20 OPTIONS Adjustment Default Level S00 ABL GAIN 3 S01 ABL POINT 3 S02 RGB BRIGHTNESS 3 S03 RGB GAMMA 1 S04 GAMMA 1 S05 VSM G 0 S06 BS POINT 3 S07 CLOCK ADJUST 128 S08 CAP DIGITAL FIL 0 S09 CAP SCROLL 1 S0A RGB MATRIX 6 S0B RGB MATRIX ...

Page 8: ...K W 0 X0C H LOCK L 70 X0D H SEPA 1WL 313 X0E H SEPA 2WL 266 E Option Adjustment Default Level E00 SURROUND EFFECT 3 E01 BBE LOW 4 E02 BBE HIGH 6 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 20 Note Write Down the original value set b in Fig 20 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Pr...

Page 9: ...r is ON or Puggled and operating in Normal Mode momentarily short test point FA1 TP8 to Cold Ground FA2 TP3 A Board The Receiver enters the Aging Mode Yellow letters CHK appear in the upper left corner of the CRT The Volume Up Down will adjust rapidly 2 Simultaneously press the Action and the Volume Up buttons on the Receiver Control Panel The Receiver enters the Serviceman Mode The letter in CHK ...

Page 10: ...ICEMAN MODE CHK turns red Volume Up Down operate normally Customer Controls are set to nominal level SUB DATA ADJUSTMENTS B ITEMS QUICK ENTRY TO SERVICEMAN MODE Select CABLE Mode Set SLEEP time for 30 Min Tune to Channel 124 Adjust Volume to minimum Press VOL DOWN On Receiver EXIT EXIT Figure 22 Flow Chart for Serviceman Mode N Y N Y C ON REMOTE RECALL Press Action and Power on the Receiver simult...

Page 11: ...N REMOTE POWER ON REMOTE POWER ON REMOTE ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL B IMPORTANT NOTE Always Exit the Serviceman Mode Following Adjustments Figure 23 Flow Chart for Serviceman Mode cont ...

Page 12: ...USTMENTS P ITEMS Adj needed Y N POWER ON REMOTE Note Some adjustments modes may not be available in some models depending on available options ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL OPTIONS ADJUSTMENTS S ITEMS Adj needed Y N POWER ON REMOTE ON REMOTE CONTROL TO SELECT ADJUSTMENT...

Page 13: ...ATURE to NORMAL Procedure 1 Apply a black white cross pattern 2 In the Serviceman Mode for making electronic adjustments select the DAC adjustment B02 and adjust data so that 7 5IRE part is the same light output as the 3IRE part See Fig 26 Tint Color Adjustment Serviceman DAC Adjustment B01 B00 Preparation 1 Apply a rainbow color bar signal 2 Preset the following controls Brightness Min Color Cent...

Page 14: ...for making electronic adjustment select the Sub Bright DAC B02 3 Press the R Tune key on the remote 4 Observe the oscilloscope waveform at Horizontal rate and adjust the Serviceman Mode Sub Bright DAC B02 level until a scanning period of 2 3 0 05V above DC ground is measured as indicated in Fig 30 5 Press the R Tune key on the remote 6 Connect the scope to RED Cathode KR on the CRT Board 7 In the ...

Page 15: ...pper and lower linearity 2 Adjust D0B to straighten upper and lower lines See Fig 33 H Size Adjustment D0D Preparation 1 Apply a Monoscope pattern Procedure 1 Adjust D0D DATA so that width A and B becomes 5 00 0 40 when using factory pattern See Fig 34 Note When using a different pattern correlate with factory pattern V Size and V Position Adjustment D01 D06 Preparation 1 Apply a Crosshatch patter...

Page 16: ... 70 5dB 75Ω OPEN P S 10dB 2 Adjust the MTS Input Level Adjustment M0 until the voltage measured is 106 6 0mV rms Stereo Separation Adjustment M01 M02 Preparation 1 Connect an RF signal generator to the RF antenna input 2 Connect oscilloscope to TPE10 Procedure 1 Select Stereo Mode in Audio menu 2 Apply the following signal from the RF signal generator Video 100 IRE flat field 30 modulation Audio 3...

Page 17: ...electronic adjustment select the Clock Adjustment DAC S07 3 Calculate and set S07 based on the following formula Note Pin 13 measurement will not change regardless of the value stored in S07 Service Adjustments Mechanical Controls Focus part of T551 This adjustment is to make the picture clear Preparation Connect a Signal generator and select a dot pattern Procedure Adjust the FOCUS controls to ob...

Page 18: ...nexión a Tierra Caliente y el símbolo indica conexión a Tierra Fría NOTA Los demas símbolos de componentes incluidos son usados con fines de diseño Schematic Notes 1 Resistors are carbon 1 4W unless noted otherwise 2 Capacitors are ceramic 50V unless noted otherwise 3 Coil value notes is inductance in µH 4 Test point indicated by Test point but no pin 5 Components indicated with are critical parts...

Page 19: ... 54 ALL MODELS A Board Schematic Left Portion Diagrama Eléctrico de la Tarjeta A Sección Izquierda ...

Page 20: ...ona el modo de CABLE El nivel de Volumen se minimiza De los modos TV y Video seleccionar el modo TV Seleccionar modo Estereo del Audio Las mediciones de los voltajes son nominales y pueden variar hasta 10 en componentes en funcionamiento Las lecturas de los voltajes pueden variar por la potencia de la señal y el contenido de la imagen Las fuentes de voltajes son nominales 2 El símbolo indica el ti...

Page 21: ...0 00 4 90 IC882 1 2 3 13 00 0 00 8 90 IC883 1 2 3 4 14 80 11 90 0 00 2 10 Q1802 3 10 2 50 3 30 Q1801 0 00 3 30 0 00 Q002 5 60 5 20 4 80 Q009 0 20 3 50 0 00 Q014 0 80 0 10 0 00 Q2331 0 10 11 10 0 00 Q201 1 60 4 90 1 00 Q1803 3 10 2 60 3 20 Q1804 1 00 0 00 0 60 Q1805 1 10 0 00 1 70 Q2336 0 60 0 00 0 00 Q2335 11 20 0 00 10 50 Q2332 0 00 0 00 0 00 Q2333 0 00 0 00 0 00 Q2334 0 00 0 00 0 00 Q4310 1 40 4...

Page 22: ... 58 ALL MODELS D Board Schematic Diagrama Eléctrico Tarjeta D ...

Page 23: ... 60 ALL MODELS G Board Schematic Diagrama Eléctrico Tarjeta G ...

Page 24: ...alize Volume is set to MIN 4 All video and color waveforms are taken with a wideband scope and a probe with low capacitance 10 to 1 Shape and peak altitudes may vary depending on the type of Oscilloscope used and its settings 5 Ground symbol shown on waveform number indicates Hot ground lead connection of the Oscilloscope CAUTION Incorrect ground connection of the test equipment will result in err...

Page 25: ...CAP P 068UF K 50V RESISTOR TYPE TOLERANCE C Carbon F 1 F Fuse J 5 M Metal Oxide K 10 S Solid M 20 W Wire Wound G 2 CAPACITOR TYPE TOLERANCE C Ceramic C 0 25pF E Electrolytic D 0 5pF P Polyester F 1pF S Styrol J 5 T Tantalum K 10 L 15 M 20 P 10 0 Z 80 20 ...

Page 26: ...5 EEANA1E1R0B CAP E 1 0UF 25V C320 ECJ2VF1H104Z CAP C 1UF Z 50V C321 TCJ2VB1H103K CAP C 01UF K 50V C322 TCJ2VB1H103K CAP C 01UF K 50V C323 TCJ2VB1H103K CAP C 01UF K 50V C324 ECJ2VF1H104Z CAP C 1UF Z 50V C330 ECA1AM101B CAP E 100UF 10V C331 TCJ2VF1H103Z CAP C 01UF Z 50V C337 ECA1HM2R2B CAP E 2 2UF 50V C342 ECA1HM010B CAP E 1UF 50V C401 TCJ2VB1C104K CAP C 1UF K 16V C402 TCJ2VB1H102K CAP C 001UF K 50...

Page 27: ...C820 ECA1EHG471B CAP E 470UF 25V C821 ECKW3D222KBP CAP C 2200UF K 2KVDC C822 ECQB1H393JM3 CAP P 039UF J 50V C826 ECA1CM222E CAP E 2200UF 16V C827 ECQB1H333JM3 CAP P 033UF J 50V C829 ECA1HHG102E CAP E 1000UF 50V REF NO PART NO DESCRIPTION C830 EC0S2CA102CB CAP E 1000UF 160V C831 ECKR3A102KBP CAP C 1000PF K 1KV C832 ECA1CM221B CAP E 220UF 16V C833 ECKR3A471KBP CAP C 470PF K 1KV C834 ECA1CM332E CAP E...

Page 28: ...2VC1H680J CAP C 68PF J 50V C1826 TCJ2VF1H103Z CAP C 01UF Z 50V C1827 TCJ2VF1H103Z CAP C 01UF Z 50V C1828 TCJ2VF1H103Z CAP C 01UF Z 50V C1829 ECJ2VF1H104Z CAP C 1UF Z 50V C1830 TCJ2VC1H151J CAP C 150PF J 50V C1831 ECJ2VF1H104Z CAP C 1UF Z 50V REF NO PART NO DESCRIPTION C1832 ECJ2VF1H104Z CAP C 1UF Z 50V C1833 ECJ2VF1H104Z CAP C 1UF Z 50V C1835 ECA1CM100B CAP E 10UF 16V C1836 TCJ2VC1H470J CAP C 47PF...

Page 29: ...50V C4314 ECA1HMR47B CAP E 47UF 50V C4315 TCJ2VB1H152K CAP C 0015UF K 50V C4316 ECA0JM331B CAP E 330UF 6 3V C4317 TCJ2VF1H103Z CAP C 01UF Z 50V C4318 ECA0JM101B CAP E 100UF 6 3V C4319 TCJ2VC1H391J CAP C 390PF J 50V C4320 TCJ2VB1H681K CAP C 680PF K 50V REF NO PART NO DESCRIPTION C4322 ECA1CM100B CAP E 10UF 16V C4323 ECA0JM101B CAP E 100UF 6 3V C4324 TCJ2VF1H103Z CAP C 01UF Z 50V C4325 ECA1CM100B CA...

Page 30: ...ING D877 MA165TA5VT DIODE SWITCHING D881 MA165TA5VT DIODE SWITCHING D1001 LN81RPHCF3 DIODE D1551 ERA22 06V3 DIODE D1552 MA165TA5VT DIODE SWITCHING D1553 RP1HLFA5 DIODE D1557 MA165TA5VT DIODE SWITCHING REF NO PART NO DESCRIPTION D1558 MA165TA5VT DIODE SWITCHING D2301 MA4360HTA DIODE ZENER D2302 MA165TA5VT DIODE SWITCHING D2303 MA165TA5VT DIODE SWITCHING D2305 MA4110MTA DIODE ZENER D2306 MA4110MTA D...

Page 31: ...KING 47UH L302 ELESN120JA COIL PEAKING 12UH L319 TLTABT101K COIL PEAKING L519 ELESN101JA COIL PEAKING 100UH L551 TYPL05511HN COIL CT 32SX31E CE UE L551 ELH5L7714 COIL CT 36SX31E CE UE L553 ELHKLB077B COIL L555 EXCELSA35T FERRITE BEAD REF NO PART NO DESCRIPTION L556 ELC18B801E COIL L559 TLUADNB682K COIL L601 TLTABT560K COIL L706 EXCELSA26T FERRITE BEAD L751 ELC18B801E COIL L752 TALFP15B103K LINE FI...

Page 32: ...TOR Q2332 2SB709ARTX TRANSISTOR Q2333 2SD601ARTX TRANSISTOR Q2334 2SD601ARTX TRANSISTOR Q2335 2SB709ARTX TRANSISTOR REF NO PART NO DESCRIPTION Q2336 2SD601ARTX TRANSISTOR Q3050 2SD601ARTX TRANSISTOR Q3802 2SA564AQRSTA TRANSISTOR Q4309 2SB709ARTX TRANSISTOR Q4310 2SD601ARTX TRANSISTOR Q4311 2SB709ARTX TRANSISTOR Q4312 2SD601ARTX TRANSISTOR Q4313 2SD601ARTX TRANSISTOR Q4315 2SC3940AQRTA TRANSISTOR Q...

Page 33: ...ERJ6GEYJ471V RES M 470 J 1 10W R403 ERJ6GEYJ622V RES M 6 2K J 1 10W R404 ERJ6GEYJ101V RES M 100 J 1 10W R405 ERJ6GEYJ102V RES M 1K J 1 10W R409 ERJ6GEYJ472V RES M 4 7K J 1 10W R410 ERJ6ENF2492V RES M 24 9K F 1 10W R412 ERJ6ENF1103V RES M 110K F 1 10W REF NO PART NO DESCRIPTION R451 ERG2FJ221H RES M 220 J 2W R452 ERDS1FJ6R8T RES C 6 8 J 1 2W R453 ER0S2TKF1202 RES M 12K F 1 4W R454 ERDS2TJ182T RES C...

Page 34: ... RES M 10K J 3W R815 ERDS2TJ331T RES C 330 J 1 4W R816 ERDS2TJ471T RES C 470 J 1 4W R817 ER0S2TKF1371 RES M 1370 F 1 4W R818 ERDS2TJ220T RES C 22 J 1 4W R819 ERDS1FJ390T RES C 39 J 1 2W R820 ERDS1FJ120T RES C 12 J 1 2W REF NO PART NO DESCRIPTION R821 ERX12SJ1R0P RES M 1 0 J 1 2W R822 ERX12SJ1R0P RES M 1 0 J 1 2W R823 ERDS2TJ102T RES C 1K J 1 4W R824 ERDS2TJ153T RES C 15K J 1 4W R825 ERDS2TJ104T RE...

Page 35: ...560K J 1 4W R1562 ERDS2TJ472T RES C 4 7K J 1 4 R1563 ER0S2TKF9102 RES M 91K F 1 4W R1564 ER0S2TKF6041 RES M 6 04 F 1 4W R1565 ERDS2TJ104T RES C 100K J 1 4W R1566 ERDS2TJ104T RES C 100K J 1 4W REF NO PART NO DESCRIPTION R1567 ERDS2TJ104T RES C 100K J 1 4W R1568 ERDS2TJ104T RES C 100K J 1 4W R1570 ERC12GK104D RES C 100K K 1 2W R1571 ERQ2RJW821E RES F 820 J 2W R1572 ERDS2TJ334T RES C 330K J 1 4W R157...

Page 36: ... J 1 10W R2438 ERJ6GEYJ271V RES M 270 J 1 10W R2439 ERJ6GEYJ271V RES M 270 J 1 10W R3001 ERJ6GEYJ101V RES M 100 J 1 10W R3003 ERJ6ENF75R0V RES M 75 0 F 1 10W R3004 ERJ6ENF75R0V RES M 75 0 F 1 10W R3005 ERJ6ENF75R0V RES M 75 0 F 1 10W REF NO PART NO DESCRIPTION R3013 ERJ6GEYJ330V RES M 33 J 1 10W R3014 ERJ6GEYJ330V RES M 33 J 1 10W R3015 ERJ6GEYJ102V RES M 1K J 1 10W R3016 ERJ6GEYJ102V RES M 1K J 1...

Page 37: ...RJ6GEYJ102V RES M 1K J 1 10W R6567 ERJ6GEYJ222V RES M 2 2K J 1 10W SWITCHES S001 EVQPF106K SWITCH S002 EVQPBD05R SWITCH S003 EVQPBD05R SWITCH S004 EVQPBD05R SWITCH S005 EVQPBD05R SWITCH S006 EVQPBD05R SWITCH S007 EVQPBD05R SWITCH TRANSFORMERS T501 ETH19Y70AY TRANSFORMER HORIZONTAL DRIVER T551 KFT5AA369F TRANSFORMER FLYBACK T801 ETS44KA165AG TRANSFORMER REF NO PART NO DESCRIPTION T802 TLP16297 TRAN...

Page 38: ... 1 Label X ray Warning Frnt 1 Label CRTreplacement 1 CT 36SX31E CE UE M026 TXFKY29ESER ASSY CABINET FRONT Rubber Sheet 1 Badge panasonic 1 Overlay 1 Pin gt 1 Ir Panel 1 Cab Front 1 Felt Roll 8mm x 46m or 12mm x 46m CT 32SX31E CE UE M027 TXFKY30ESER ASSY CABINET FRONT Rubber Sheet 1 Badge panasonic 1 Overlay 1 Pin gt 1 Ir Panel 1 Cab Front 1 Felt Roll 8mm x 46m or 12mm x 46m CT 36SX31E CE UE M028 T...

Page 39: ... 64 Printed in USA K01052223PL0531 ...

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