Panasonic TX-21PS70TQ Service Manual ▷ View online
Table Of Contents
COVER
1 Safety Precautions
1.1 General Guide Lines
1.2 Leakage Current Cold Check
1.3 Leakage Current Hot Check (Fig.
1)
1.4 X-Radiation
1.5 GP3 Chassis Block Diagram
2 Service Hints
2.1 Service Position for E-Board
2.2 Factory Mode Adjustment
2.3 Adjustment for White Balance
2.4 Adjustment for CRT CUT OFF
2.5 Adjustment Procedure
2.6 PAL Colour
2.7 Adjustment
3 Conductor Views
4 Schematic Diagram
4.1 A BOARD
4.1.1 A BOARD 1 / 5
4.1.2 A BOARD 2 / 5
4.1.3 A BOARD 3 / 5
4.1.4 A BOARD 4 / 5
4.1.5 A BOARD 5 / 5
4.2 L BOARD
4.2.1 L BOARD 1 / 2
4.2.2 L BOARD 2 / 2
4.3 YUV BOARD
4.3.1 YUV BOARD 1 / 2
4.3.2 YUV BOARD 2 / 2
5 Part Location
6 Replacement Parts List
6.1 Replacement Parts List
Service Manual
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RDER NO. MTV0401276C3
Colour Television
●
TX-21PS70TQ
GP3 Chassis
Specifications
Power Source :
AC AUTO 110-240V, 50/60 Hz
Power Consumption :
90W
Aerial Impedance :
75
Ω
unbalanced
Coaxial type
Receiving System :
17 Systems
Receiving Channels :
VHF
1-11 PAL B (Australia& N.Zealand)
1-12 PAL/SECAM D
1-12 NTSC M JAPAN
2-12 PAL/SECAM B, G
2-13 NTSC M U.S.A.
UHF
21-69 PAL G I/SECAM B, G, K1
28-69 PAL G (Australia)
13-56 PAL D
13-52 NTSC M JAPAN
14-69 NTSC NTSC M U.S.A.
CATV
S1-S41 (Hyper)
Intermediate Frequency :
Video
38.0 MHz
Sound
31.5 MHz (D, K, K1)
32 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)
Video/ Audio Terminals :
RAV In
Video In 1 Vp-p 75
Ω
Audio In Approx. 400mVrms
Monitor Out
Video Out 1 Vp-p 75
Ω
Audio Out Approx. 400mVrms
High Voltage :
27.5kV±1.5V
at zero beam current
Picture Tube :
A51LXR195X
51cm (21 inches)
Measured diagonally,
90° deflection
Audio Output :
16.0W
Dimensions :
Height : 464.0 mm
Width : 682.0 mm
Depth : 484.0 mm
Mass :
24.0 kg (Net Wt.)
Specifications are subject to change without notice.
Mass and dimensions shown are approximate.
Mass and dimensions shown are approximate.
© 2004 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
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Table Of Contents
COVER
1 Safety Precautions
1.1 General Guide Lines
1.2 Leakage Current Cold Check
1.3 Leakage Current Hot Check (Fig. 1)
1.4 X-Radiation
1.5 GP3 Chassis Block Diagram
2 Service Hints
2.1 Service Position for E-Board
2.2 Factory Mode Adjustment
2.3 Adjustment for White Balance
2.4 Adjustment for CRT CUT OFF
2.5 Adjustment Procedure
2.6 PAL Colour
2.7 Adjustment
3 Conductor Views
4 Schematic Diagram
4.1 A BOARD