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Table of Contents
SPECIFICATION
(Information in brackets { } refers to model TX-25CK1P)
(Information in brackets [ ] refers to model TX-21CK1P)
Power Source:
Power Consumption:
Stand-by Power
Consumption:
Aerial Impedance:
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/Audio
Video
Audio
Colour
Terminals:
AV1 IN
AV1 OUT
220-240V a.c., 50Hz
97W {97W}
[88W]
0,9W {0,9W}
[1W]
75Ω unbalanced, Coaxial Type
PAL B/G, PAL D/K ,PAL-60
SECAM B/G, SECAM D/K
M.NTSC (AV)
NTSC (AV only)
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
38,9MHz
32,4MHz, 32,66MHz (A2 CZECH)
33,05MHz (NICAM)
33,4MHz, 33,16MHz (A2)
33,05MHz (NICAM B/G)
34,47MHz
34,5MHz, 34,65MHz
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
RGB (21 pin)
0,7V p-p 75Ω
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Colour Television
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
{A59ECF50X04
[ A51EER35X80
Audio Output:
2 x 10W (M.P.O.)
2 x 5W (R.M.S.)
8Ω Impedance
Headphones:
8Ω Impedance
3,5mm
Accessories
supplied :
Remote Control
2 x R6 (UM3) Batteries
Dimensions:
Height:
580mm
Width:
646mm
Depth:
471mm
Net weight:
33kg
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
TX-28CK1P
TX-25CK1P
TX-21CK1P
Z8 Chassis
66cm
59cm}
51cm]
{538mm}
[476mm]
{580mm}
[512mm]
{442.5mm}
[470mm]
{27kg}
[20.6kg]
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Summary of Contents for Panasonic TX-28CK1P
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Page 1: Colour Television
ORDER No. 99-SM-009-1 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 RCA IN Video 1V p-p 75Ω... -
Page 2: Table Of Contents
CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 ADJUSTMENT PROCEDURE AND FACTORY SETTINGS .....................4 WAVEFORM PATTERN TABLE ...............................5 ALIGNMENT SETTINGS................................6 BLOCK DIAGRAMS ..................................7 PARTS LOCATION .................................10 REPLACEMENT PARTS LIST ..............................11 SCHEMATIC DIAGRAMS ...............................20 CONDUCTOR VIEWS................................25 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the Reverse the a.c. -
Page 3: Service Hints
SERVICE HINTS How to remove the rear cover Remove the 5 screws as shown in Fig.2. Fig.2. LOCATION OF CONTROLS Fig.3. -
Page 4: Adjustment Procedure And Factory Settings
ADJUSTMENT PROCEDURE Item / Preparation Adjustments +B SET-UP Confirm the following voltages. Receive a Greyscale signal. +B1 3,3 ± 0,3V +B13 ± Set the controls :- +B2 195 ± +B14 27,5 ± 1,5V {195 ± 10V} {27,5 ± 1,5V} Brightness Minimum [190 ±... -
Page 5: Waveform Pattern Table
WAVEFORM PATTERN TABLE IC 601 IC 451 IC 451 VERT - OUT VERT - DRIVE VFLB Pin 21 Pin 2 Pin 3 20ms 20ms 20ms IC 601 IC 701 Base Q501 H - OUT H - PULSE EW - OUT Pin 33 Pin 5 64µs... -
Page 6: Alignment Settings
14. Sub Colour S - COL 15 Optimum setting. 15. Sub Brightness S - BRI 31 Optimum setting. For models TX-25CK1P and TX-28CK1P only: Setting indication Alignment Function Settings / Special features Note: All setting values are approximate 16. Horizontal Width EW –... -
Page 10: Parts Location
PARTS LOCATION NOTE: The numbers on te exploded view below refer to the mechanical section of the Replacement Parts List... - Page 11 5(3/$&(0(17 3$576 /,67 ,PSRUWDQW 6DIHW\ 1RWLFH 8‚€ƒ‚r‡†ÃDqr‡vsvrqÃi’ÃÃÃÃÃÃÃÀh…xÃuh‰rƃrpvhyÃpuh…hp‡r…v†‡vp†Ãv€ƒ‚…‡h‡Ãs‚…Æhsr‡’ ÃXurÃ…rƒyhpvtÃh’ÂsÇur†rÃp‚€ƒ‚r‡†Ãˆ†rÂy’Àhˆshp‡ˆ…r…†Ã†ƒrpvsvrqÃh…‡† DÃph†rÂsÂ…qr…vtÇur†rƃh…rÃh…‡†Ãƒyrh†rÃhyh’†ÃhqqÇurÃp‚€ƒyr‡rÃH‚qryU’ƒrà ˆ€ir…Ç‚Ã’‚ˆ…Â…qr… 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ 9!%Ãà H6!(U6$ÃÃÃÃà 9DP9@ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà &20021 3$576 9!% Ãà HUaEU&&"(8à 9DP9@ÃÃÃÃÃÃÃÃÃÃÃà 9!%!Ãà HUaEU&&"(8à 9DP9@ÃÃÃÃÃÃÃÃÃÃÃà 9"$Ãà HUaEU&&&$7 9DP9@ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà H@8C6ID86GÃQ6SUT 9"$ Ãà TS !##6U'! 9DP9@ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà ÃÃÃÃà @6TB !9$$!6! TQ@6F@SÃÃÃÃÃÃÃÃÃÃÃÃÃÃ...
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- Page 16 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ S'&Ãà @S9!$UE $! 86S7PI !$X $È 9' #Ãà HUaEU&&$%6 9DP9@ÃÃà S'(Ãà @SX!QFS#&ÃÃà XPVI9 È S#& US6ITDTUPST S' "Ãà @S9T UE"""Ãà 86S7PI $X $È ""F R"$ Ãà 78'$&7ÃÃÃÃÃà US6ITDTUPSÃÃÃÃÃÃÃÃÃÃÃà %à @SE%B@`E !# TH86S7 X $È...
- Page 17 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ 8p‡ÃSrs Qh…‡†ÃIˆ€ir… 9r†p…vƒ‡v‚ S'(Ãà @SX!QFS""ÃÃà XPVI9 !È S"" D8'!à T@ #IGA#ÃÃà @SSPSÃ6HGDAD@SÃÃà S' "Ãà @S9T UE " 86S7PI $X $È " YQF!#8QÃÃÃà @@SPHÃÃÃÃÃÃÃÃÃÃÃà %à @SE%B@`E '# TH86S7 X $È 9DP9@T 'à @SE%B@`E " TH86S7 X $È...
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- Page 19 NOTES...
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Page 20: Schematic Diagrams
TX-28CK1P, TX-25CK1P, TX-21CK1P (Z8 CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.
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