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Colour Television

                   TX-28CK1P

TX-25CK1P

TX-21CK1P

Z8 Chassis

SPECIFICATION

(Information in brackets { } refers to model TX-25CK1P)
(Information in brackets [ ] refers to model TX-21CK1P)

Power Source:

220-240V a.c., 50Hz

Power Consumption:

 97W {97W}

[88W]

Stand-by Power
Consumption:

0,9W {0,9W}

[1W]

Aerial Impedance:

75

 unbalanced, Coaxial Type

Receiving System:

PAL B/G, PAL D/K ,PAL-60
SECAM B/G, SECAM D/K
M.NTSC (AV)
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/Audio

Video

38,9MHz

Audio

32,4MHz, 32,66MHz (A2 CZECH)
33,05MHz  (NICAM)
33,4MHz, 33,16MHz (A2)
33,05MHz (NICAM B/G)

Colour

34,47MHz
34,5MHz, 34,65MHz

Terminals:

AV1 IN

Video (21 pin)

1V p-p  75

Audio (21 pin)

500mV rms  10k

RGB (21 pin)

0,7V p-p 75

AV1 OUT

Video (21 pin)

1V p-p  75

Audio (21 pin)

500mV rms 1k

RCA IN

Video  1V p-p 75

   RCA IN

Audio  500mV rms 10k

High Voltage:

28kV ± 1kV  {28kV ± 1kV}  [26,7kV ± 1kV]

Picture Tube:

A66ECF50X04 66cm
{A59ECF50X04

59cm}

[ A51EER35X80

51cm]

Audio Output:

2 x 10W (M.P.O.)
2 x  5W  (R.M.S.)
8

 Impedance

Headphones:

8

 Impedance

3,5mm

Accessories
supplied :

Remote Control
2 x R6 (UM3) Batteries

Dimensions:

Height:

580mm

{538mm}

[476mm]

Width:

646mm

{580mm}

[512mm]

Depth:

471mm

{442.5mm}

[470mm]

Net weight:

33kg

{27kg}

[20.6kg]

Specifications are subject to change without notice.
Weights and dimensions shown are approximate.

NOTE:    

This Service Manual should be used in conjunction with

the Z8 Technical guide.

ORDER No. 99-SM-009-1

Summary of Contents for TX-21CK1P

Page 1: ...CZECH 33 05MHz NICAM 33 4MHz 33 16MHz A2 33 05MHz NICAM B G Colour 34 47MHz 34 5MHz 34 65MHz Terminals AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin 0 7V p p 75Ω AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ RCA IN Video 1V p p 75Ω RCA IN Audio 500mV rms 10kΩ High Voltage 28kV 1kV 28kV 1kV 26 7kV 1kV Picture Tube A66ECF50X04 66cm A59ECF50X04 59cm A51EER35X80 51...

Page 2: ...er such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation transformer for this check 2 Con...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 5 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 Fig 3 ...

Page 4: ...NGS To return customer settings to factory settings and clear owner ID of all information input by the customer enter Self Check mode Press the down v button on the customer controls at the front of the TV set at the same time pressing the STATUS button on the remote control To exit Self Check switch off the TV set at the power button Service Aids To aid in the service of our current chassis there...

Page 5: ... 20ms 28 4V H OUT IC 601 Pin 33 64µs 3V EW OUT IC 701 Pin 5 64µs 20V H PULSE Base Q501 64µs 1 4V IC 701 Pin 8 HFLB 64µs 2V FBI SCO IC 601 Pin 34 64µs 5 7V SCL IC 601 Pin 2 47µs 5V B OUT IC 601 Pin 53 64µs 2 7V R OUT IC 601 Pin 51 64µs 2 7V G OUT IC 601 Pin 52 64µs 2 7V IC601 Pin 38 VIDEO OUT 64 µs 2 7 V 5 ...

Page 6: ...ptimum setting 8 R Cut R CUT 08 Optimum setting 9 G Cut G CUT 08 Optimum setting 10 R Drive R DRV 31 Optimum setting 11 G Drive G DRV 31 Optimum setting 12 B Drive B DRV 31 Optimum setting 13 AGC AGC 20 Optimum setting 14 Sub Colour S COL 15 Optimum setting 15 Sub Brightness S BRI 31 Optimum setting For models TX 25CK1P and TX 28CK1P only Alignment Function Setting indication Note All setting valu...

Page 7: ... 9 2 7 ...

Page 8: ... ...

Page 9: ... ...

Page 10: ...PARTS LOCATION NOTE The numbers on te exploded view below refer to the mechanical section of the Replacement Parts List 11 13 16 20 12 2 4 3 22 17 14 15 10 18 19 9 6 7 5 8 1 21 10 ...

Page 11: ... 3 80 3 2 5 32 70 6 1625 5 3 5 5 0 16758 7 21 22 6 8 5 1 520 1 1 74 01 32 6 81 5 1 74 34 1 6 74 58 V 8 2 287387 7 32 5 6833 675 9 5 8 725 0 05 9 5 8 725 7 0 5 6 7 01 7 5 9 5 530 5 6 7 01 5 7 9 5 8 725 7 9 5 8 725 7 0 8 2 352 6625 063 32 86 6 86 86 75 7 86 75 7 86 75 7 86 2 5 86 2 5 2 6 2 07 7 2 07 7 2 0 7 2 07 7 2 07 7 2 07 7 2 65 7 2 65 7 2 65 7 2 0 7 2 0 7 2 0 7 2 0 7 2 5 9 2 07 2 65 7 2 07 7 2 ...

Page 12: ... 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 6 5 5 6 0 5 6 5 5 6 0 5 6 5 5 6 0 5 6 5 5...

Page 13: ...5 5 62 5 5 0 281 5 5 5 5 0 7 5 5 1 5 21 5 5 6 7 5 6 6725 5 5 6 7 5 21 5 5 6 7 86 5 54 5 21 5 5 7 0 5 21 5 5 6 7 5 21 5 5 6 7 5 6 6725 5 5 6 6 5 6 6725 5 5 6 6 0 7 5 5 0 7 5 5 5 21 5 5 6 7 5 5 5 21 5 5 7 5 21 5 5 7 5 21 5 5 6 7 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0...

Page 14: ... 7 9 7 0 5 9 7 0 9 7 9 Q 7 9 Q 7 9 Q 7 0 9 Q 5 0 9 Q 7 0 9 7 0 9 6 0 3 89 9 S 7 9 0 40 9 Q 7 0 5 9 7 8 9 7 8 9 0 40 9 Q 6 0 3 89 9 Q 7 0 9 7 90 9 5 0 9 S 5 0 9 S 5 0 9 S 0 4 9 Q 0 9 7 90 9 5 0 9 S 7 90 9 7 0 9 7 9 Q 7 9 9 Q 0 40 9 Q 0 40 9 Q 6 0 3 89 9 Q 7 0 9 7 0 5 9 7 9 Q 7 9 9 7 9 9 Q 7 9 9 Q 0 40 9 Q 0 40 9 Q 7 0 9 6 0 3 89 9 S 7 9 9 Q 6 0 3 89 9 S 6 0 3 89 9 S 0 4 9 Q 0 4 9 Q 0 4 9 Q 7 9 Q 7 ...

Page 15: ... 89 9 Q 6 0 3 89 9 Q 6 0 3 89 9 Q 6 0 3 89 9 Q 6 0 3 89 9 Q 6 0 3 89 9 Q 6 0 3 89 9 S 6 0 3 89 9 S 7 50 1 6 1 1 6 5 3 21 7 6 57 62 7 7 6 7 6 6 7 6 6 6 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 5 1 6 25 02 7 3 0 1 3 576 12 78 29 5 7 8 5 7 5 1 7 7 57 1 6 5 93 866 2 7 3 713 3 7 7 0 2 86 66 7 7 02 7 0 3 713 0 6 1 286 20321 176 287 5 5721 73 723 86 21 73 27720 86 21 73 3 02 V 5 287387 7 4 ...

Page 16: ... 07 2 0 2 8 9 2 07 7 2 07 7 2 0 7 2 79658 0 2 07 7 75 16 67256 75 16 6725 4 75 16 6725 4 8 5 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 6 75 16 6725 4 75 16 250 56 75 16 25 5 7 2 6 2 6 7 2 2 2 2 5 6 67256 6 0 5 6 5 5 6 0 5 5 5 0 7 5 5 6 6 6 0 5 5 5 6 0 5 5 5 5 21 5 5 6 7 5 21 5 5 6 7 5 21 5 5 6 7 5 5 5 21 5 5 6 7 5 5 5 21 5 5 6 7 5 5 0 7 5 5 6 5 21 5 5 7 5 6 6725 5 54 3 5 6 8...

Page 17: ...16758 7 21 22 6 23 5 7 1 16758 7 216 74 01 23 5 7 1 16758 7 216 74 34 V 5 03 5 7 9 57 287387 1 82 7 9 6 255 7 21 7 9 5 8 725 1 5525 0 5 6 1 520 3 3 2 6 2 07 7 2 8 2 79658 0 2 79658 0 2 5 2 58 2 8 2 3 272 283 5 7 3 5 2 0 7 2 0 7 2 07 7 2 0 7 2 0 07 2 0 2 8 9 2 07 7 2 07 7 2 0 7 2 79658 0 2 07 7 75 16 67256 75 16 6725 4 75 16 6725 4 8 5 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 ...

Page 18: ... 5 5 5 21 5 5 6 7 6 0 5 5 5 6 0 5 5 5 86 5 54 5 5 6 0 5 5 5 5 6 6725 5 5 6 6 0 5 5 5 5 6 6725 5 5 281 5 5 3 5 5 5 21 5 5 6 7 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 3 7256 7 9 9 Q 6 0 3 89 9 Q 5 0 9 Q 6 0 3 89 9 S 6 0 3 89 9 S 7 0 5 9 0 9 9 Q 7 5 9 Q 5 0 9 S 5 0 9 Q 7 9 Q 6 0 3 89 9 S 6 0 3 89 9 S 6 0 3 89 9 S 6 0 3 9 Q 7 0 9 7 9 9 Q 7 9 0 4 9 Q 0 4 9 Q 0 43 9 Q 0 43 9 Q 7 0 9 0 9 Q 7 9 9 Q 7 9 9 Q 7 0 9 6 ...

Page 19: ...NOTES 19 ...

Page 20: ...are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the earth of the inst...

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