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Service Manual

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ORDER NO. ITD0110012C3

Projection Television

TX-43P250/TX-51P250/TC-43P250/TC-51P250

EURO-7VPChassis

Specifications

Power Source:

TX-43/51P250, TC-51P250H: AC 220V-240V, 50/60Hz
TX-43/51P250X: AC 110V-240V, 50/60Hz

Power Consumption:

  TX-43/51P250, TC-51P250H: 228W
  TX-43/51P250X: 238W
  3.0W (Stand-by condition)

Aerial Impedance:

unbalanced, Coaxial type

Tuning System:

  21 Systems
  Frequency  Synthesizer
  Auto Search
  100(Position)/125(Direct)

Receiving Channels:

VHF Band

2-12

(PAL/ SECAM - B, K1)

0-12

(PAL-B AUST.)

1-9

(PAL-B N.Z.)

1-12

(PAL/SECAM-D)

1-12

(NTSC-M JAPAN)

2-13

(NTSC-M U.S.A.)

UHF Band

21-69

(PAL-G, H, I)

21-69

(SECAM-G, K, K1)

28-69

(PAL-B AUST.)

13-57

(PAL-D, K)

13-62

(NTSC-M Japan)

14-69

(NTSC-M U.S.A.)

CATV

S1-S20

(OSCAR)

S21-S41

(HYPER)

1-125

(U.S.A. CATV)

5A, 9A

(AUST.)

Z1-Z37

(CHINA)

C13-C49 (JAPAN)

Intermediate Frequency:

Video

38.0 MHz

Sound

31.5 MHz (D, K)/32.0 MHz (I)

32.5 MHz (B, G)/33.5 MHz (M)

Colour

33.57 MHz (PAL)/33.6 MHz (SECAM)

33.75 MHz (SECAM)/34.42 MHz (NTSC)

Receiving Stereo sound system:

NICAM B/G, NICAM I,
NICAM D, A2 (German)

Screen Size:

Type 51

Type 43

Diagonal:

296 mm

1092 mm

Height:

780 mm

655 mm

Width:

1037 mm 874 mm

Projection Tube:

Type 51

Type 43

  TVVAB10GAV (B-ASSY)  TVVAB10GLV (B-ASSY)
  TVVAG10GAV (G-ASSY)  TVVAG10GLV (G-ASSY)
  TVVAR10GAV (R-ASSY)  TVVAR10GLV (R-ASSY)
  90° deflection

High Voltage:

Содержание TC-43P250

Страница 1: ...12 PAL SECAM D 1 12 NTSC M JAPAN 2 13 NTSC MU S A UHF Band 21 69 PAL G H I 21 69 SECAM G K K1 28 69 PAL BAUST 13 57 PAL D K 13 62 NTSC M Japan 14 69 NTSC MU S A CATV S1 S20 OSCAR S21 S41 HYPER 1 125 U S A CATV 5A 9A AUST Z1 Z37 CHINA C13 C49 JAPAN Intermediate Frequency Video 38 0 MHz Sound 31 5 MHz D K 32 0 MHz I 32 5 MHz B G 33 5 MHz M Colour 33 57 MHz PAL 33 6 MHz SECAM 33 75 MHz SECAM 34 42 MH...

Страница 2: ...et 2 To get into the Self Check mode press the down button on the customer controls at the front of the set at the same time pressing the HELP button on the remote control and thescreen will show If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K TOP PREVIOUS NEXT ...

Страница 3: ... the Red Blue and Green focus VR on the focus block for best focus of overall picture of each CRT Fig 2 Fig 2 5 Connect the scope probe to TPD20 GND to TPD21 Scope set at 20V div 5m sec div 6 Adjust V PARA Service mode1 so that waveform A is 380V 20V Fig 3 7 Adjust H PARA Service mode1 so that waveform B is 560V 40V Fig 3 Fig 3 8 Proceed with Focus Adjustments TOP PREVIOUS NEXT ...

Страница 4: ...e Red and Blue CRT projecting Green only The electrical focus controls are located on the front Adjust the Green Focus VR for best focus of overall picture Fig 2 3 Repeat for Red focus VR while projecting Red only 4 Repeat for Blue Best focus at bottom left corner of screen TOP PREVIOUS NEXT ...

Страница 5: ...of each CRT lens system Loosen the adjustment knurls locking knob Fig 4 Fig 4 Rear view 2 Turn the Receiver ON apply and view a monoscope pattern 3 Adjust each lens focus for best focus while viewing each CRT 4 Cover the Red and Blue CRT projecting green only Rotate the Green lens for best focus around screen center area 5 Do the same for the Red focus lens while projecting Red only 6 Repeat for B...

Страница 6: ...ne up with the screen horizontal vertical center line 3 Cover the Green Red CRT lens projecting Blue only 4 Repeat step 2 for blue 5 Cover the Green Blue CRT lens projecting Red only 6 Repeat step 2 for red 7 Cover the Red Blue CRT lens projecting Green only 8 Adjust green centering magnets until the center of the monoscope pattern line up with the screen center line 9 Cover the Green Red CRT lens...

Страница 7: ...TOP PREVIOUS NEXT ...

Страница 8: ... alignment magnets and of the dummy ring together in an uncorrected position Alignment magnet or dummy ring Procedure 1 Receive an cross hatch pattern with dots 2 Cover the Red Blue CRT lens projecting Green only 3 Turn the green electrical focus adjustment VR on focus pack fully counterclockwise and note the position of the dots at the center of the picture 4 Turn the green electrical focus adjus...

Страница 9: ... center of the monoscope pattern is not inside the 15mm circle shown in below adjust the centering magnets Repeat the alignment magnet adjustments and four pole magnet adjustments step 1 step 6 Centering magnet adjustment 14 Cover the Green Blue CRT lens projecting Red only 15 Repeat step 13 for the red 16 Cover the Green Red CRT lens projecting Blue only 17 Repeat step 13 for the blue 18 Followin...

Страница 10: ...14 Schematic Diagram 14 1 Schematic Diagram Notes 67 ...

Страница 11: ...14 Schematic Diagram 14 1 Schematic Diagram Notes 67 ...

Страница 12: ...14 2 A Board 1 of 4 Schematic Diagram 68 ...

Страница 13: ...14 2 A Board 1 of 4 Schematic Diagram 68 ...

Страница 14: ...14 3 A Board 2 of 4 Schematic Diagram 69 ...

Страница 15: ...14 3 A Board 2 of 4 Schematic Diagram 69 ...

Страница 16: ...14 4 A Board 3 of 4 Schematic Diagram 70 ...

Страница 17: ...14 4 A Board 3 of 4 Schematic Diagram 70 ...

Страница 18: ...14 5 A Board 4 of 4 Schematic Diagram 71 ...

Страница 19: ...14 5 A Board 4 of 4 Schematic Diagram 71 ...

Страница 20: ...14 6 D Board 1 of 2 Schematic Diagram 72 ...

Страница 21: ...14 6 D Board 1 of 2 Schematic Diagram 72 ...

Страница 22: ...14 7 D Board 2 of 2 Schematic Diagram 73 ...

Страница 23: ...14 7 D Board 2 of 2 Schematic Diagram 73 ...

Страница 24: ...14 8 DG Board 1 of 2 Schematic Diagram 74 ...

Страница 25: ...14 8 DG Board 1 of 2 Schematic Diagram 74 ...

Страница 26: ...14 9 DG Board 2 of 2 Schematic Diagram 75 ...

Страница 27: ...14 9 DG Board 2 of 2 Schematic Diagram 75 ...

Страница 28: ...14 10 H Board Schematic Diagram 76 ...

Страница 29: ...14 10 H Board Schematic Diagram 76 ...

Страница 30: ...14 11 LG Board Schematic Diagram 77 ...

Страница 31: ...14 11 LG Board Schematic Diagram 77 ...

Страница 32: ...14 12 LB and LR Board Schematic Diagram 78 ...

Страница 33: ...14 12 LB and LR Board Schematic Diagram 78 ...

Страница 34: ...14 13 M Board Schematic Diagram 79 ...

Страница 35: ...14 13 M Board Schematic Diagram 79 ...

Страница 36: ...14 14 P Board Schematic Diagram 80 ...

Страница 37: ...14 14 P Board Schematic Diagram 80 ...

Страница 38: ...14 15 U Board Schematic Diagram 81 ...

Страница 39: ...14 15 U Board Schematic Diagram 81 ...

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