Panasonic TX-25MK1F Service Manual
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Panasonic TX-25MK1F Service Manual

Euro-4 chassis colour television
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SPECIFICATIONS
Power Source:
220-240V a.c., 50Hz
Power Consumption:
85W
Aerial Impedance:
75Ω unbalanced, Coaxial Type
Standby Power
Consumption:
1,8W
Receiving System:
PAL-I, B/G, H, D/K, PAL-525 / 60
SECAM L/L', B/G, D/K
M.NTSC
NTSC (AV only)
Receiving Channels:
VHF E2-E12
VHF H1-H2 (ITALY)
VHF A-H (ITALY)
VHF R1-R2
VHF R3-R5
VHF R6-R12
UHF E21-E69
CATV (S01-S05)
CATV S1-S10 (M1-M10)
CATV S11-S20 (U1-U10)
CATV S21-S41 (HYPERBAND)
Intermediate Frequency:
Video
38,9MHz, 34MHz
Sound
32,9MHz, 33,16MHz, 33,4MHz
40,4MHz, 32,4MHz (A2 STEREO)
33,05MHz, 34,05MHz (NICAM)
32,66MHz, 32,4MHz (CZECH STEREO)
Colour
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
Video/Audio Terminals:
AUDIO MONITOR OUT
Audio (RCAx2)
AV1 IN
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
AV1 OUT
Video (21 pin)
Audio (21 pin)
AV2 IN
Video (21 pin)
Audio (21 pin)
S-Video IN
(21 pin)
AV2 OUT
Video (21 pin)
Audio (21 pin)
Selectable Output (21 pin)
AV3 IN
Audio (RCAx2)
Video (RCAx1)
28,2kV ± 1kV
High Voltage:
Picture Tube:
A59ECF50X42
Audio Output:
2 x 15W (Music Power)
8Ω Impedance
Headphones:
8Ω Impedance
Accessories supplied:
Remote Control
2 x R6 (UM3) Batteries
Dimensions:
Height:
535mm
Width:
601mm
Depth:
440mm
Net Weight:
25kg
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
NOTE:
This Service Manual should be used in conjunction with the
EURO-4 technical guide.
All manuals and user guides at all-guides.com
500mV rms1kΩ
1V p-p 75Ω
500mV rms 10kΩ
1V p-p 75Ω
500mV rms 1kΩ
1V p-p 75Ω
500mV rms 10kΩ
Y: 1V p-p 75Ω
C: 0,3V p-p 75Ω
1V p-p 75Ω
500mV rms 1kΩ
500mV rms10kΩ
1V p-p 75Ω
59cm
Colour Television
EURO-4 Chassis
CARACTÉRISTIQUES
Alimentation:
220-240V a.c., 50Hz
Consommation:
85W
Impédance d'antenne:
75Ω asymétrique sur prise coaxiale
Standby Consommation:
1,8W
Systéme de réception:
PAL-I, B/G, H, D/K, PAL-525 / 60
SECAM L/L', B/G, D/K
M.NTSC
NTSC (Entrée AV seulement)
Canaux de réception:
VHF E2-E12
VHF H1-H2 (ITALY)
VHF A-H (ITALY)
VHF R1-R2
VHF R3-R5
VHF R6-R12
UHF E21-E69
CATV (S01-S05)
CATV S1-S10 (M1-M10)
CATV S11-S20 (U1-U10)
CATV S21-S41 (HYPERBAND)
Fréquency Intermédiaire:
Video
38,9MHz, 34MHz
Sound
32,9MHz, 33,16MHz, 33,4MHz
40,4MHz, 32,4MHz (A2 STEREO)
33,05MHz, 34,05MHz (NICAM)
32,66MHz, 32,4MHz (CZECH STEREO)
Couleur
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
Les bornes vidéo/audio:
SORTIE AUDIO MONITOR
Audio (RCAx2)
Entrée AV1 (21 brioches)
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
Sorties AV1 (21 brioches)
Video (21 pin)
Audio (21 pin)
Entrée AV2 (21 brioches)
Video (21 pin)
Audio (21 pin)
S-Video IN
(21-pin)
Sorties AV2 (21 brioches)
Video (21 pin)
Audio (21 pin)
Être sélectionnée
Entrée AV3
Audio (RCAx2)
Video (RCAx1)
28,2kV ± 1kV
Tension d'anode:
Tube image:
A59ECF50X42
Sortie Audio:
2 x 15W (Music Power)
8Ω Impédance
Casque d'écoute:
8Ω Impédance
Accessories fournis:
Télécomande
R6 (UM3) x 2 Piles
Dimensions:
Hauteur:
535mm
Largeur:
601mm
Profondeur:
440mm
Poids (NET):
25kg
Les caractéristiques techniques sont susceptibles de modification sans
Préavis.
Le poids et les dimensions indiqués sont approximatifs.
ORDER No. 99-SM-005
TX-25MK1F
500mV rms1kΩ
1V p-p 75Ω
500mV rms 10kΩ
1V p-p 75Ω
500mV rms 1kΩ
1V p-p 75Ω
500mV rms 10kΩ
Y: 1V p-p 75Ω
C: 0,3V p-p 75Ω
1V p-p 75Ω
500mV rms 1kΩ
500mV rms10kΩ
1V p-p 75Ω
59cm

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Summary of Contents for Panasonic TX-25MK1F

  • Page 1 All manuals and user guides at all-guides.com ORDER No. 99-SM-005 Colour Television TX-25MK1F EURO-4 Chassis SPECIFICATIONS CARACTÉRISTIQUES Power Source: 220-240V a.c., 50Hz Alimentation: 220-240V a.c., 50Hz Power Consumption: Consommation: Aerial Impedance: 75Ω unbalanced, Coaxial Type Impédance d'antenne: 75Ω asymétrique sur prise coaxiale...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS CONTENTS SAFETY PRECAUTIONS ............ 2 PRECAUTIONS DE SECURITE .......... 2 SERVICE HINTS ..............4 SUGGESTIONS DE DEPANNAGE ........4 SELF CHECK ..............5 AUTO TEST ................ 5 ADJUSTMENT PROCEDURE ..........6 REGLAGES................. 6 WAVEFORM PATTERN TABLE ..........
  • Page 3 All manuals and user guides at all-guides.com LEAKAGE CURRENT HOT CHECK VERIFICATION A CHAUD DU COURANT DE FUITE Plug the a.c. cord directly into the a.c. outlet. Do not Brancher le cordon secteur directement à une prise use an isolation transformer for this check. secteur.

  • Page 4: Service Hints

    All manuals and user guides at all-guides.com SERVICE HINTS SUGGESTIONS DE DEPANNAGE HOW TO REMOVE THE REAR COVER COMMENT RETIRER LE PENNEAU ARRIÈRE Remove the 9 screws (A) as shown in Fig.2. Retirer les 9 vis (A) comme sur la Fig.2.

  • Page 5: Self Check

    All manuals and user guides at all-guides.com SELF CHECK AUTO TEST Self-check is used to automatically check the bus L’auto test est utilísé pour vérifier les BUS et les lines and hexadecimal code of the TV set. codes Hexadécimaux du TV. Pour renter dans le mode Auto Test presser le To get into the Self-Check mode press the down bouton STATUS...

  • Page 6: Adjustment Procedure

    All manuals and user guides at all-guides.com ADJUSTMENT PROCEDURE Item/Preparation Adjustments +B SET-UP Set the +B voltage up as follows:- Adjust R811 so that B2 shows 148V±1V Receive a Greyscale signal. Confirm the following voltages. Set the controls:- ± 0,25V B10 ±...

  • Page 7: Waveform Pattern Table

    All manuals and user guides at all-guides.com WAVEFORM PATTERN TABLE TABLEAU DES OSCILLOGRAMMES 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...

  • Page 8: Alignment Settings

    All manuals and user guides at all-guides.com ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Set the Bass to maximum position, set the Treble to minimum position, press the down button (- / v) on the customer controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV into the Service Mode.

  • Page 9: Reglages

    All manuals and user guides at all-guides.com REGLAGES (Les figures ci-dessous sont fictives et utilisées uniquement à des fins représentatives) Régler par la télécommande le niveau de GRAVE au maximum, AIGU au minimum. Appuyer simultanément sur le bouton (-/v) en face avant du TV et le bouton INDEX de la télécommande. Ces actions positionnent le TV en Mode Service.

  • Page 10: Block Diagrams

    All manuals and user guides at all-guides.com VIDEO BLOCK DIAGRAM SYNOPTIQUE VIDEO E - BOARD Y - BOARD Q906 Q908 COILS Q905 Q907 Q909 IC601 61 V IN 1 Q950 Q951 TUNER Q104 IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353 Q305 Q306...
  • Page 11 All manuals and user guides at all-guides.com AUDIO BLOCK DIAGRAM SYNOPTIQUE AUDIO E - BOARD TUNER IC251 IC2101 AUDIO AUDIO OUTPUT Q103 PROCESSOR DACM_R 24 Q2102 X101 Q252 HEADPHONE 44 MONO IN DACM_L 25 L 11 Q2103 X102 Q251 SC3_IN_L 37 Q101 SC3_IN_R 38 49 ANA_IN2+...
  • Page 12 All manuals and user guides at all-guides.com CONTROL BLOCK DIAGRAM SYNOPTIQUE DE COMMANDE E - BOARD H - BOARD TUNER IC3401 VIDEO IC2101 SWITCHING AUDIO IC601 Q3401 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST SDA 1 SCL 1 SDA 2 SCL 2 VPROT...
  • Page 13 All manuals and user guides at all-guides.com POWER SUPPLY BLOCK DIAGRAM SYNOPTIQUE ALIMENTATION E - BOARD 5V SBY Q852 D867 Q855 D868 Q853 Q854 IC251 Y - BOARD AUDIO D862 T802 RL801 OUTPUT R854 T801 IC351 D801 Line T551 Filter OUTPUT 150V 200V...

  • Page 14: Parts Location

    All manuals and user guides at all-guides.com PARTS LOCATION EMPLACEMENT DES PIÈCES NOTE: REMARQUE The numbers on the exploded view below refer to Les numéros des pièces sur la vue éclatée ci- the mechanical section of the Replacement Parts dessous renvoient à la section mécanique de la List.

  • Page 15: Replacement Parts List

    SPEAKER IC801 STRF6654LF51 POWER SUPPLY ENG29504GR TUNER IC850 SE140N ERROR AMPLIFIER EUR511200 REMOTE CONTROL IC851 L78M12MRB 12V REGULATOR TBM8E1929 PANASONIC BADGE IC852 L78M05MRB 5V REGULATOR TBM8E1951-1 MODEL LABEL IC853 AN78L08TA 8V REGULATOR TBX8E070 POWER BUTTON IC1051 RPM6937-V4 LED RECEIVER TKP8E1289...
  • Page 16 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description D603 DAN217T146 DIODE Q253 BC847B TRANSISTOR D605 DAN212KT146 DIODE Q254 BC847B TRANSISTOR D606 MA165TA5 DIODE Q301 BC847B TRANSISTOR D607 MA4051 DIODE Q302 FMY4T148 TRANSISTOR Q303 BC847B...
  • Page 17 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description L114 ELJFC2R2KF COIL JA16 ERJ6GEY0R00 S.M.CARB 0.1W L115 ELJFC2R2KF COIL JA17 ERJ6GEY0R00 S.M.CARB 0.1W L301 TLTACT4R7K COIL JA18 ERJ8GEY0R00 S.M.CARB .125W L302 TLTACT4R7K COIL JA21 ERJ8GEY0R00...
  • Page 18 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R111 ERJ6GEYJ393 S.M.CARB 0.1W R453 ERJ6GEY0R00 S.M.CARB 0.1W R112 ERJ6GEYJ101 S.M.CARB 0.1W R454 ERJ6GEYJ752 S.M.CARB 0.1W R113 ERJ6GEYJ223 S.M.CARB 0.1W R455 ERJ6GEYJ222 S.M.CARB 0.1W R116 ERJ6GEYJ562...
  • Page 19 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R805 ERD25TJ473 CARBON 0.25W R1103 ERJ6GEYJ331 S.M.CARB 0.1W R806 ERD25TJ100 CARBON 0.25W R1104 ERJ6GEYJ331 S.M.CARB 0.1W R807 ERD25TJ332 CARBON 0.25W R1105 ERJ6GEYJ101 S.M.CARB 0.1W R809 ERD25TJ681...
  • Page 20 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R2101 ERJ6GEYJ103 S.M.CARB 0.1W R3402 ERJ6GEYJ750 S.M.CARB 0.1W R2102 ERJ6GEYJ101 S.M.CARB 0.1W R3403 ERJ6GEYJ101 S.M.CARB 0.1W R2103 ERJ6GEYJ101 S.M.CARB 0.1W R3404 ERJ6GEYJ242 S.M.CARB 0.1W R2109 ERJ6GEYJ183...
  • Page 21 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 470pF 100nF C356 ECUV1H471JCX S.M. CAP C629 ECJ2YB1H104K ELECT 350V 470pF 10pF C357 ECUV1H471JCX S.M. CAP C630 ECUV1H100DCX S.M. CAP 220nF 68nF C358 ECQM1H224J FILM C631...
  • Page 22 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF 2.2nF C950 ECJ2VB1C104K ELECT 350V C2301 ECUV1H222JCX S.M. CAP 10nF 47µF C1051 ECJ2VB1H103K ELECT 350V C2302 ECA1CM470GB ELECT 100µF 2.2nF C1052 ECA1HM101GB ELECT C2303 ECUV1H222JCX...
  • Page 23 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS FOR MODEL SCHEMA TECHNIQUE POUR MODELE TX-25MK1F TX-25MK1F (EURO-4 CHASSIS) (EURO-4 CHASSIS) IMPORTANT SAFETY NOTICE REMARQUE IMPORTANTE POUR LA SÉCURITÉ Components identified by mark have special Les éléments portant la marque possèdent...

  • Page 24: Schematic Diagrams

    All manuals and user guides at all-guides.com...
  • Page 25 All manuals and user guides at all-guides.com...
  • Page 26 All manuals and user guides at all-guides.com...
  • Page 27 all-guides.com...

  • Page 28: Conductor Views

    All manuals and user guides at all-guides.com CONDUCTOR VIEWS E-BOARD TNP8EE009 TRAN’S DIODES D558 Q3601 L8 D3102 B7 D557 Q3007 M9 D3101 B7 D556 Q3006 N10 D2304 G7 D555 Q3001 N8 D2303 G7 D554 Q2304 I7 D2161 G9 D553 Q2303 M6 D2105 G10 D552 Q2302 I7...
  • Page 29 All manuals and user guides at all-guides.com 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...
  • Page 30 All manuals and user guides at all-guides.com H - BOARD TNP8EH002 TRANSISTORS Q3401 Q3402 I.C.’S IC3401 C2...

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