Panasonic TC-21GX30P User Manual

Power
Source : AC AUTO 110-240V, 50/60 Hz
Power Consumption : 58W
Aerial Impedance : 75Ω unbalanced
Coaxial type
Receiving System : 17 Systems
Receiving Channels :
VHF
2-13(U.S.A Standard)
UHF
14-69(U.S.A Standard)
CATV
1-125(U.S.A Standard)
Audio
Terminal :
DVD
Y 1.0 Vp-p, 75Ω
PB 0.7 Vp-p, 75Ω
PR 0.7 Vp-p, 75Ω
AV
1, 2
Video In 1 Vp-p, 75Ω
Audio In Approx. 0.5V, 47kΩ
Monitor
Out
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TC-21GX30P
GL1 Chassis
Video Out 1 Vp-p, 75Ω
Audio Out Approx. 0.5V, 1kΩ
High Voltage : 27.5kV ±1.5
at zero beam current
Picture Tube : A51LYZ395X65
50.5cm (21 inches)
Measured diagonally,
90° deflection
Audio Output : 5W + 5w = 10W
Dimensions : Height : 472 mm
Width : 598 mm
Depth : 479 mm
Mass : 22.5 kg (Net Wt.)
Specifications are subject to change without notice.
Mass and dimensions shown are approximate.
Colour Television
Specifications
ORDER NO. MTV0701517CE

Panasonic TC-21GX30P Specifications

General

Brand	Panasonic
Model	TC-21GX30P
Category	TV
Language	English

Summary

Safety Precautions

General Guide Lines

Advises on using an isolation transformer, lead dress, protective devices, and unplugging for long periods.

Leakage Current Cold Check

Instructs to unplug the AC cord and check resistance between the plug and exposed metallic parts.

Leakage Current Hot Check

Details measuring leakage current with a resistor and AC/DC meter when the TV is powered on.

X-Radiation

Warns about X-radiation from EHT and picture tube, stressing use of proper test jigs and meters.

GL1 Chassis Block Diagram

Service Hints

Service Position for E-Board

Provides instructions on how to position the TV and remove the main board for servicing.

Factory Mode Adjustment

Explains how to enter service mode and navigate through adjustment options (CHK1).

Adjustment for White Balance

Adjustment of Low Light

Specifies adjustment targets for Sub Bright, R-CUT OFF, and G-CUT OFF in low light conditions.

Adjustment of High Light

Specifies adjustment targets for Sub Bright, R-Drive, and G-Drive in high light conditions.

Adjustment for CRT CUT OFF

Adjustment Procedure

+B Voltage

Details the preparation and procedure for adjusting the +B voltage, including test points and expected values.

High Voltage

Outlines the preparation and steps for adjusting high voltage, including crosshatch pattern and screen VR.

Adjustment

Colour Purity

Step-by-step guide for adjusting colour purity, including degaussing and deflection yoke positioning.

Convergence

Instructions for adjusting static and dynamic convergence using magnets and deflection yoke.

Adjustment of CRT VRS

Conductor Views

Schematic Diagram

A Board

A Board (1/5)

Schematic diagram for the A Board, section 1 of 5, showing component layout and connections.

A Board (2/5)

Schematic diagram for the A Board, section 2 of 5, detailing electronic components and their interconnections.

A Board (3/5)

Schematic diagram for the A Board, section 3 of 5, illustrating circuit details and component placement.

A Board (4/5)

Schematic diagram for the A Board, section 4 of 5, showing specific circuit segments and part numbers.

A Board (5/5)

Schematic diagram for the A Board, section 5 of 5, concluding the board's circuit representation.

L Board

L Board (1/3)

Schematic diagram for the L Board, section 1 of 3, detailing the CRT circuit and connections.

L Board (2/3)

Schematic diagram for the L Board, section 2 of 3, focusing on IC351 and associated components.

L Board (3/3)

Schematic diagram for the L Board, section 3 of 3, showing CRT connections and test points.

Parts Locations

Replacement Parts List

Resistor

Provides abbreviations and examples for resistor part naming conventions and allowances.

Capacitor

Explains abbreviations and examples for capacitor part naming conventions and allowances.

Replacement Parts List