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Colour Television

TX-28CK1
TX-25CK1

Z8 Chassis

SPECIFICATION

(Information in brackets { } refers to model TX-25CK1)

Power Source:

220-240V a.c., 50Hz

Power Consumption:

76W {76W}

Stand-by Power

Consumption:

0,9W {0,9W}

Aerial Impedance:

75  unbalanced, Coaxial Type

Receiving System:

PAL I, PAL-525/60

M.NTSC

NTSC (AV only)

Receiving Channels:

UHF E21-E68

Intermediate Frequency:

Video/Audio

Video

38,9MHz

Audio

32,9MHz

32,35MHz (NICAM)

Colour

34,47MHz

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}

Picture Tube:

A66ECF50X04

66cm

{

A59EEQ15X97

59cm}

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

T.V. Stand TS2800

Dimensions:

Height:

580mm

{538mm}

Width:

646mm

{580mm}

Depth:

471mm

{442,5mm}

Net weight:

33kg

{27kg}

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. 00-SM-001

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

BERKS,

RG12 8FT.

Summary of Contents for TX-25CK1

Page 1: ...in 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 Picture Tube A66ECF50X04 66cm A59EEQ15X97 59cm 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 T V Stand TS2800 Dimensions Height 580mm 538mm Width 646mm 580...

Page 2: ...on the receiver 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 thi...

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

Page 4: ...ettings 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 are a number of Service...

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

Page 6: ... H PAR 34 Optimum setting 7 Horizontal bow H BOW 31 Optimum setting 8 R Cut R CUT 8 Optimum setting 9 G Cut G CUT 8 Optimum setting 10 R Drive R DRV 31 Optimum setting 11 G Drive G DRV 31 Optimum setting 12 B Drive B DR 31 Optimum setting 13 AGC AGC 08 Optimum setting 14 Sub Colour S COL 20 Optimum setting 15 Sub Brightness S BRI 31 Optimum setting 16 Horizontal Width EW WD 34 Optimum setting 17 E...

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

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Page 17: ...ing and 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 ...

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Page 20: ...2 C4 Q852 B3 D556 D1 IC801 C2 Q1101 D5 D557 D1 IC802 C3 Q1102 A3 D559 E2 IC851 D4 Q1107 A2 D601 E6 IC852 D4 Q1109 A3 D603 E6 IC1102 D5 Q1110 A3 D606 E6 IC1103 B5 Q1201 B3 D607 E3 IC1104 A2 Q1204 A3 D701 C3 IC1105 B6 Q2001 B7 D702 D3 IC1201 A3 Q2002 B7 D703 D4 IC1202 A3 Q2003 B7 D704 D3 IC2001 B5 Q2004 B7 D705 D3 Q3104 E4 D706 D4 T P S D707 D4 TP1 A3 D751 C3 TP2 E2 D752 C2 TP3 E3 D753 C2 TP4 E3 D75...

Page 21: ...Y BOARD TNP8EY015 TRAN S Q351 B1 DIODES D350 A1 D351 B1 D352 A2 D353 A3 D370 B1 D371 B1 D372 B1 D373 B1 T P S TPY4 B2 TPY5 A3 I C S IC351 A1 1 2 3 A B 21 ...

Page 22: ...22 NOTES ...

Page 23: ...23 NOTES ...

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