Panasonic TX-21AP1P Service Manual
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Panasonic TX-21AP1P Service Manual

Z8t chassis
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SPECIFICATIONS

Power Source:
220-240V a.c., 50Hz
Power Consumption:
52W
Stand-by Power
Consumption:
0,9W
Aerial Impedance:
75Ω 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 75Ω
Audio (21 pin) 500mV rms 10kΩ
RGB (21 pin)
AV1 OUT
AV FRONT
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:
0,7V p-p 75Ω
the Z8 Technical guide.
Colour Television
TX-21AP1P
Z8T Chassis
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 1kΩ
Audio (RCAx2)
Video (RCAx1)
27kV ± 1kV
A51ERF135X71
2 x 5W RMS, 2 x 10W MPO
8Ω Impedance
8Ω Impedance
Remote Control
2 x R6 (UM3) Batteries
476mm
524mm
473mm
22kg
This Service Manual should be used in conjunction with
ORDER No. 02-SM-007
500mV rms 10kΩ
1V p-p 75Ω
51cm

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Summary of Contents for Panasonic TX-21AP1P

  • Page 1: Specifications

    ORDER No. 02-SM-007 Colour Television TX-21AP1P Z8T Chassis SPECIFICATIONS Power Source: 220-240V a.c., 50Hz AV1 OUT Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 1kΩ Power Consumption: AV FRONT Audio (RCAx2) 500mV rms 10kΩ Stand-by Power Video (RCAx1) 1V p-p 75Ω...

  • Page 2: Adjustment Procedure

    ADJUSTMENT PROCEDURE Item / Preparation Adjustments +B SET-UP Confirm the following voltages. Receive a Greyscale signal. ± 0,3V ± 1V Set the controls : ± 10V 27,5 ± 1,5V ± 1V ± 1,5V Brightness Minimum ± 1V ± 1V ± 0,3V ±...

  • Page 3: Waveform Pattern Table

    WAVEFORM PATTERN TABLE CONDITIONS: Contrast: Brightness: Colour: Sharpness:...

  • Page 4: Alignment Settings

    ALIGNMENT SETTINGS To access Service Mode select program position 99 and set sharpness to minimum. Press “MUTE” button on remote control and at the same time press the "V" button on the customer controls at the front of the TV, this will place the TV set into Service Mode. ∧...

  • Page 5: Video & Stereo Audio Block Diagram

    VIDEO & STEREO AUDIO BLOCK DIAGRAM TUNER Q351 D370 D371 D372 1 2 3 IC351 IC601 QSS IN IC2001 VIDEO EXT Y-BOARD MULTI-STANDART SOUND X103 VIDEO IN PROCESSOR SIF1 R IN Q601 Q602 SIF2 VIDEO OUT L IN Q2004 Q2003 QSS OUT X602 Q2001...
  • Page 6 POWER SUPPLY & DEFLECTION BLOCK DIAGRAM IC1105 IC2001 TUNER HEATER IC851 IC852 IC351 D552 D554 Q401 Q402 D1205 D002 D350 AVL/EW D606 T552 D003 IC601 PROT Q603 D603 +190V D403 TO RGB INPUTS D601 Q351 VDDA Q552 FBI/SCO VDDC IC1104 VDDP HOUT IC1103...

  • Page 7: Control Block Diagram

    CONTROL BLOCK DIAGRAM TUNER IC1103 EAROM XTAL XTAL IC2001 IC1104 IC1105 RESET REMOTE IN IC1102 IC351 Q1106 Q1103 Q1105 Q1104 Q1201 Q1204 STANDBY REM IN Q-LINK OUT RL801 Q-LINK IN D350 RESET XTAL Q1107 D1107 Q1102 KEYSCAN STANDBY X601 IC601 D1104 XTAL D1106...

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