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TX-28/21MK1F/M Service Manual
Specifications
Safety
Service
Information
Exploded
View
Parts List
Block
Diagrams
Schematic
Diagrams
PCB
Views
Service Support
Service and repair of this
product is supported by
Panasonic's LUCI interface.
This interface provides
a link between the TV and
a standard PC to allow a
number of diagnostic and
control functions to be
performed.
For more details contact
your local Panasonic company.
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Table of Contents
Related Manuals for Panasonic TX-28MK1F
Summary of Contents for Panasonic TX-28MK1F
- Page 1 Safety a link between the TV and Diagrams a standard PC to allow a number of diagnostic and control functions to be Schematic Service performed. Information Diagrams For more details contact your local Panasonic company. Exploded View Views EXIT BACK...
- Page 2 ORDER No. SM-99041 Colour Television TX-28MK1F/M TX-21MK1F/M EURO-4 Chassis SPECIFICATIONS TECHNISCHE DATEN (Information in brackets { } refer to TX-21MK1F/M) (Werte in klammern gelten { } nur fur TX-21MK1F/M) Power Source: 220-240V a.c., 50Hz Netzpannung: 220-240V a.c., 50Hz Power Consumption:...
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Page 3: Table Of Contents
CONTENTS INHALT SAFETY PRECAUTIONS ............ 2 SICHERHEITSVORKEHRUNGEN ........2 SERVICE HINTS ..............4 SERVICE HINWEISE ............4 SELF CHECK ..............5 SELBSTDIAGNOSE ............5 ADJUSTMENT PROCEDURE ..........6 ABGLEICH ................6 WAVEFORM PATTERN TABLE .......... 7 SIGNAL TABELLE............... 7 ALIGNMENT SETTINGS ............. 8 ABGLEICHTABELLE ............ - Page 4 Helligkeit auf Minimum stellen. periodically calibrated high voltage meter. Die Hochspannung messen. Die Anzeige des Set the brightness to minimum. Instrumentes sollte: Measure the high voltage. The meter should indicate: TX-28MK1F/M 28,2kV± 1kV. TX-28MK1F/M 28,2kV± 1kV. TX-21MK1F/M 28kV ± 1kV.
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Page 5: Service Hints
SERVICE HINTS SERVICE HINWEISE HOW TO REMOVE THE REAR COVER ENTFERNEN DER GERÄTERÜCKWAND Remove the 9 screws as shown in Fig.2. Die 9 Schrauben entfernen, siehe Abb.2. Screws Schrauben Fig.2. Abb.2. LOCATION OF CONTROLS LAGE DER EINSTELLREGLER Focus Fokusregler Screen Schirmgitterregler E - Board H - Board... -
Page 6: Self Check
SELF CHECK SELBSTDIAGNOSE Self-check is used to automatically check the bus Die Selbstdiagnose dient zum automatischen Prüfen lines and hexadecimal code of the TV set. der Bus-Leitungen sowie des Hexadezimalcodes des FS-Geräts. Zum Umschalten auf Selbstdiagnose To get into the Self-Check mode press the down zunächst die Taste "STATUS"... -
Page 7: Adjustment Procedure
ADJUSTMENT PROCEDURE Item/Preparation Adjustments +B SET-UP Set the +B voltage up as follows:- Adjust R811 so that B2 shows 148V±1V {130V±1V 1. Receive a Greyscale signal. TX-21MK1F/M} 2. Set the controls:- Confirm the following voltages. Brightness Minimum 5 ± 0,25V B10 5 ±... -
Page 8: Waveform Pattern Table
WAVEFORM PATTERN TABLE SIGNAL TABELLE Vert Drive VFLB Vert Out IC451 Pin 2 IC451 Pin 3 IC601 Pin 31 20mS 20mS 20mS H - Out H - Out H - Pulse IC601 Pin 50 IC701 Pin 5 Base Q503 64µS 64µS 64µS HFLB... -
Page 9: Alignment Settings
ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Alignment Function Settings / Special features H-Pos Horizontal Position Optimum setting. V-Pos Vertical Position Optimum setting. H-Amp Horizontal Amplitude Optimum setting. V. Amp Vert. Amplitude Optimum setting. E/W-Amp1 EW-amplitude Optimum setting. -
Page 10: Abgleichtabelle
ABGLEICHTABELLE (Die angegebenen Werte sind Mittelwerte und Können individuell nach oben oder unten nach dem korrekten Abgleich abweichen.) Abgleichfunktion Einstellung / Besondere Merkmale H-Pos Horizontale position Optimale Einstellung. V-Pos Vertikale Position Optimale Einstellung. H-Amp Horizontale Amplitude Optimale Einstellung. V-Amp Vertikale Amplitude Optimale Einstellung. -
Page 11: Block Diagrams
VIDEO BLOCK DIAGRAM BILDSIGNAL BLOCKSCHEMA Y - BOARD E - BOARD TX-28MK1F/M ONLY Q906 Q908 COILS TX-28MK1F/M Q905 Q907 Q909 ONLY IC601 61 V IN 1 Q950 Q951 TUNER Q104 IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353... - Page 12 AUDIO BLOCK DIAGRAM TONSIGNAL BLOCKSCHEMA E - BOARD TUNER IC251 IC2101 AUDIO AUDIO OUTPUT PROCESSOR Q103 DACM_R 24 Q2102 Q252 X101 HEADPHONE DACM_L 25 L 11 Q2103 Q251 X102 SC3_IN_L 37 SC3_IN_R 38 Q101 44 MONO IN 1 R OUT SC1_OUT_R 30 2 R IN SC1_IN_R 42...
- Page 13 CONTROL BLOCK DIAGRAM STROMVERSORGUNGS BLOCKSCHEMA E - BOARD H - BOARD TUNER POS/NEG IC3401 L/L’ VIDEO IC2101 SWITCHING AUDIO Q3401 IC601 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST SDA 1 SCL 1 SDA 2 SCL 2 VPROT Q451 LOCAL KEYS...
- Page 14 POWER SUPPLY BLOCK DIAGRAM STROMVERSORGUNGS BLOCKSCHEMA E - BOARD 5V SBY Q852 D867 Q855 D868 Q853 Q854 IC251 Y - BOARD AUDIO D862 T802 RL801 OUTPUT R854 IC351 T801 D801 Line Filter T551 OUTPUT 150V 200V D850 R802 Q850 DEGAUSS COIL -14V IC451...
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Page 15: Parts Location
PARTS LOCATION EXPLOSIONSZEICHNUNG NOTE: Anmerking: The numbers on the exploded view below Die Nummer auf den mechanischen Teilen refer to the mechanical section of the Zeigt die Bezugsnummer der Ersatzteilliste Replacement Parts List. -
Page 16: Replacement Parts List
REPLACEMENT PARTS LIST ERSATZTEILLISTE Wichtiger Sicherhitshinweis Important Safety Notice Components Identified by mark have special Teile, die mit einen Hinweis gekennzeichnet sind characteristics important for safety. wichtig für die Sicherhet. Solite ein Auswechsein When replacing any of these components, use only erfordelrich sein, sind unbdingt Originalteile manufacturers specified parts. - Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description D806 1SR124-4AT82 DIODE Q857 2SA1018QTA TRANSISTOR D850 RU4BLF-L1 DIODE Q950 BC847B TRANSISTOR D851 MTZJT776.2B DIODE Q951 FMY4T148 TRANSISTOR D852 MA165TA5 DIODE Q1051 BC847B TRANSISTOR D853 MA2180BLFS DIODE Q1052 BC847B TRANSISTOR D854 TVSRU2AMLFA5 DIODE...
- Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description L3004 ELEMV1R5MA COIL JA59 ERJ8GEY0R00 S.M.CARB .125W L3005 ELEBR2R2KA COIL JA60 ERJ6GEY0R00 S.M.CARB 0.1W L3006 ELEBR2R2KA COIL JA61 ERJ8GEY0R00 S.M.CARB .125W L3007 TLTACT2R2K COIL JSE3 ERJ6GEY0R00 S.M.CARB 0.1W L3101 ELEBT6R8KA COIL JSE4 ERJ6GEY0R00...
- Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description R311 ERJ6GEYJ750 S.M.CARB 0.1W R658 ERJ6GEYJ153 S.M.CARB 0.1W R312 ERJ6GEYJ331 S.M.CARB 0.1W R659 ERJ6GEY0R00 S.M.CARB 0.1W R351 ERJ6GEYJ302 S.M.CARB 0.1W R660 ERJ6GEY0R00 S.M.CARB 0.1W R352 ERJ6GEYJ302 S.M.CARB 0.1W R701 ERQ12AJ101 FUSIBLE 0.5W R353...
- Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description R1108 ERJ6GEYJ102 S.M.CARB 0.1W R2106 ERJ6GEYJ101 S.M.CARB 0.1W R1109 ERJ6GEYJ472 S.M.CARB 0.1W R2107 ERJ6GEYJ101 S.M.CARB 0.1W R1110 ERJ6GEYJ472 S.M.CARB 0.1W R2108 ERJ6GEYJ101 S.M.CARB 0.1W R1111 ERJ6GEYJ473 S.M.CARB 0.1W R2109 ERJ6GEYJ183 S.M.CARB 0.1W R1112...
- Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description 470pF R3402 ERJ6GEYJ750 S.M.CARB 0.1W C356 ECUV1H471JCX S.M. CAP 470pF R3403 ERJ6GEYJ101 S.M.CARB 0.1W C357 ECUV1H471JCX S.M. CAP 220nF R3404 ERJ6GEYJ242 S.M.CARB 0.1W C358 ECQM1H224J FILM 1.5nF R3405 ERJ6GEYJ104 S.M.CARB 0.1W 100K C360...
- Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description 270pF 100pF C636 ECUV1H271JCX S.M. CAP C1123 ECUV1H101JCX S.M. CAP 100pF 100pF C637 ECUV1H101JCX S.M. CAP C1124 ECUV1H101JCX S.M. CAP 470pF 100pF C638 ECUV1H471JCX S.M. CAP C1125 ECUV1H101JCX S.M. CAP 3.3nF 100pF C1126...
- Page 23 12nF SWITCHES C556 ECQF4123JZH FILM 400V 470nF C559 ECWF2474JBB FILM 500V S801 ESB92S11B SWITCH S1201 EVQ21405R SWITCH DIFFERENCES FOR MODEL TX-28MK1F/M S1202 EVQ21405R SWITCH S1203 EVQ21405R SWITCH S1204 EVQ21405R SWITCH MECHANICAL PARTS S1205 EVQ21405R SWITCH ZTUZAE550A ANODE LEAD TKU8E00350 BACK COVER...
- Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description 510nF D902 MA165TA5 DIODE C554 ECWF2H514J FILM 500V 10nF D904 MA165TA5 DIODE C555 ECWH15H103JN FILM 1500V 33nF D905 MA165TA5 DIODE C556 ECQM4333JC FILM 400V 680nF D906 RLS72TE-11 DIODE C559 ECWF2H684J FILM 500V 100µF...
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Page 25: Schematic Diagrams
SCHEMATIC DIAGRAMS FOR MODELS ZEICHENERKLÄRUNG FÜR MODELL TX-28MK1F/M / TX-21MK1F/M TX-28MK1F/M / TX-21MK1F/M (EURO-4 CHASSIS) (EURO-4 CHASSIS) IMPORTANT SAFETY NOTICE WICHTIGER SICHERHEITSHINWEIS Components identified by mark have special Teile, die mit einen Hinweis gekennzeichnet sind, characteristics important for safety. When replacing any of sind wichtig für die Sicherheit, Sollte ein Auswechsein... - Page 31 CONDUCTOR VIEWS ANSICHT DER LEITERBAHNEN E - BOARD TNP8EE009 TRAN’S DIODES D558 Q3601 L8 D3103 B7 D557 Q3007 M9 D3101 B7 D556 Q3001 N8 D3102 B7 D555 Q3006 N10 D2161 G9 D554 Q2304 I7 D2105 G10 D553 Q2303 M6 D2104 F9 D552 Q2301 I7 D2103 G10...
- Page 32 Y - BOARD TNP8EY012 TRANSISTORS Q909 Q908 Q907 Q906 Q905 Q354 Q353 Q352 Q351 DIODES D906 D905 D904 D902 D901 D364 D363 D362 D361 D360 D359 D358 D357 D356 D355 D354 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5 TPY3 F6 TPY2 E7 TPY1 G6 IC’S...
- Page 33 Y - BOARD TNP8EY013 DIODES D354 D355 D356 D357 D358 D359 D360 D361 D362 D363 D364 TEST POINTS TPY1 TPY2 TPY3 TPY4 TPY5 TPY6 TRANSISTORS Q351 Q352 Q353 Q354 I.C.’S IC351...
- Page 34 H - BOARD TNP8EH002 TRANSISTORS Q3401 Q3402 I.C.’S IC3401 C2...