Panasonic TX-25MK1F Service Manual

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SPECIFICATIONS

Power Source:
Power Consumption:
Aerial Impedance:
Standby Power
Consumption:
Receiving System:
Receiving Channels:
VHF E2-E12
VHF A-H (ITALY)
VHF R3-R5
UHF E21-E69
CATV S1-S10 (M1-M10)
CATV S21-S41 (HYPERBAND)
Intermediate Frequency:
Video
Sound
Colour
Video/Audio Terminals:
AUDIO MONITOR OUT
AV1 IN
AV1 OUT
AV2 IN
AV2 OUT
AV3 IN
High Voltage:
Picture Tube:
Audio Output:
Headphones:
Accessories supplied:
Dimensions:
Height:
Width:
Depth:
Net Weight:
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.
220-240V a.c., 50Hz
85W
75Ω unbalanced, Coaxial Type
1,8W
PAL-I, B/G, H, D/K, PAL-525 / 60
SECAM L/L', B/G, D/K
M.NTSC
NTSC (AV only)
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
38,9MHz, 34MHz
32,9MHz, 33,16MHz, 33,4MHz
40,4MHz, 32,4MHz (A2 STEREO)
33,05MHz, 34,05MHz (NICAM)
32,66MHz, 32,4MHz (CZECH STEREO)
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
Audio (RCAx2)
500mV rms1kΩ
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
RGB (21 pin)
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
S-Video IN
Y: 1V p-p 75Ω
(21 pin)
C: 0,3V p-p 75Ω
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Selectable Output (21 pin)
Audio (RCAx2)
500mV rms10kΩ
Video (RCAx1)
1V p-p 75Ω
28,2kV ± 1kV
A59ECF50X42
59cm
2 x 15W (Music Power)
8Ω Impedance
8Ω Impedance
Remote Control
2 x R6 (UM3) Batteries
535mm
601mm
440mm
25kg

Colour Television

EURO-4 Chassis
CARACTÉRISTIQUES
Alimentation:
Consommation:
Impédance d'antenne:
Standby Consommation:
Systéme de réception:
Canaux de réception:
VHF E2-E12
VHF A-H (ITALY)
VHF R3-R5
UHF E21-E69
CATV S1-S10 (M1-M10)
CATV S21-S41 (HYPERBAND)
Fréquency Intermédiaire:
Video
Sound
Couleur
Les bornes vidéo/audio:
SORTIE AUDIO MONITOR
Entrée AV1 (21 brioches)
Sorties AV1 (21 brioches)
Entrée AV2 (21 brioches)
Sorties AV2 (21 brioches)
Entrée AV3
Tension d'anode:
Tube image:
Sortie Audio:
Casque d'écoute:
Accessories fournis:
Dimensions:
Hauteur:
Largeur:
Profondeur:
Poids (NET):
Les caractéristiques techniques sont susceptibles de modification sans
Préavis.
Le poids et les dimensions indiqués sont approximatifs.
ORDER No. 99-SM-005
TX-25MK1F
220-240V a.c., 50Hz
85W
75Ω asymétrique sur prise coaxiale
1,8W
PAL-I, B/G, H, D/K, PAL-525 / 60
SECAM L/L', B/G, D/K
M.NTSC
NTSC (Entrée AV seulement)
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
38,9MHz, 34MHz
32,9MHz, 33,16MHz, 33,4MHz
40,4MHz, 32,4MHz (A2 STEREO)
33,05MHz, 34,05MHz (NICAM)
32,66MHz, 32,4MHz (CZECH STEREO)
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
Audio (RCAx2)
500mV rms1kΩ
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
RGB (21 pin)
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
S-Video IN
Y: 1V p-p 75Ω
(21-pin)
C: 0,3V p-p 75Ω
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Être sélectionnée
Audio (RCAx2)
500mV rms10kΩ
Video (RCAx1)
1V p-p 75Ω
28,2kV ± 1kV
A59ECF50X42
59cm
2 x 15W (Music Power)
8Ω Impédance
8Ω Impédance
Télécomande
R6 (UM3) x 2 Piles
535mm
601mm
440mm
25kg

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Summary of Contents for Panasonic TX-25MK1F

  • Page 1: Colour Television

    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 Standby Power Standby Consommation: 1,8W...
  • Page 2: Table Of Contents

    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 .......... 7 TABLEAU DES OSCILLOGRAMMES........7 ALIGNMENT SETTINGS .............
  • Page 3 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. Ne pas utiliser de transformateur d'isolation Connect a 2kΩ...
  • Page 4: Service Hints

    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. Screws A Vis A Fig.2. LOCATION OF CONTROLS EMPLACEMENT DES COMMANDES Focus Concentration...
  • Page 5: Self Check

    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 de la télécommande et...
  • Page 6: 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 Receive a Greyscale signal. Confirm the following voltages. Set the controls:- ± 0,25V B10 ± 0,25V ± 0,5V ± 1,5V Brightness Minimum ±...
  • Page 7: Waveform Pattern Table

    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 64µS 64µS...
  • Page 8: Alignment Settings

    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

    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

    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 43 B IN Q105 OUTPUT 42 G IN...
  • Page 11 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+ Q102 47 ANA_IN1+ 1 R OUT SC1_OUT_R 30...
  • Page 12 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 Q451 LOCAL KEYS KEYSCAN...
  • Page 13 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 IC351 T801 D801 Line Filter T551 OUTPUT 150V 200V D850 R802 Q850 DEGAUSS COIL -14V IC451...
  • Page 14: Parts Location

    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 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 D609 1SR124-4AT82 DIODE Q303 BC847B TRANSISTOR D615 STZ6.2NT146 DIODE...
  • Page 17 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 S.M.CARB .125W L451 EXCELSA35T COIL JA22 ERJ6GEY0R00...
  • Page 18 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 S.M.CARB 0.1W R456 ERJ6GEYJ104 S.M.CARB 0.1W 100K...
  • Page 19 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 CARBON 0.25W R1106 ERJ6GEYJ104 S.M.CARB 0.1W 100K...
  • Page 20 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 S.M.CARB 0.1W R3405 ERJ6GEYJ104 S.M.CARB 0.1W 100K...
  • Page 21 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 ECJ2VF1H683Z ELECT 350V 1.5nF 27pF C632 ECUV1H270JCX...
  • Page 22 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 S.M. CAP 330pF 47µF C1053 ECUV1H331JCX S.M.
  • Page 23 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 characteristics important for safety. When replacing any of caractéristiques...
  • Page 27 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 D2104 F9 D551 Q2301 L6 D2103 G10...
  • Page 28: Conductor Views

    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 29 H - BOARD TNP8EH002 TRANSISTORS Q3401 Q3402 I.C.’S IC3401 C2...

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