Panasonic TX-32PM1, TX-28PM1 Service Manual

ORDER No. 04-SM-001

Service Manual

Colour Television

TX-32PM1 TX-28PM1

GP4 Chassis

SPECIFICATIONS

(Information in brackets [ ] refers to model TX-28PM1)

Power Source: 220-240V a.c., 50Hz

Power Consumption: 86W [78W]

Stand-by Power Consumption: 1,3W

Aerial Impedance: 75: unbalanced, Coaxial Type

Receiving System: PAL-I, PAL-525/60

M.NTSC (AV only) NTSC (AV only)

Receiving Channels: VHF A1-S20

UHF E21-E69 CATV S21-S41 (Hyperband)

Intermediate Frequency: Video/Audio

Video 38,9MHz

Audio 32,9MHz

32,35MHz (NICAM)

Colour 34,47MHz

Terminals:

AUDIO MONITOR OUT Audio (RCAx2) 500mV rms 1k:

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:

AV2 IN Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 10k: S-Video IN Y: 1V p-p 75: (21-pin) C:0,3V p-p 75:

AV2 OUT Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 1k:

AV3 IN S-Video IN Y: 1V p-p 75:

(4-pin) C:0,3V p-p 75: Audio (RCAx2) 500mV rms 10k: Video (RCAx1) 1V p-p 75:

High Voltage: 32kV ± 0,9kV [31kV ± 1kV]

Picture Tube: W76EKX50X21 76cm

[W66MAF185X03 66cm]

Audio Output: 2x7W RMS, 2x15W MPO,

8: impedance

Headphones: 8: Impedance

Accessories supplied : Remote Control

2 x R6 (UM3) Batteries

Dimensions:

Height: 566mm [515mm] Width: 902mm [766mm] Depth: 550mm [529mm]

Net weight: 56kg [38kg]

Specifications are subject to change without notice. Weights and dimensions shown are approximate.

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

BERKS.,

RG12 8FT.

WAVEFORM PATTERN TABLE

CONDITIONS: Contrast: MAX, Brightness: MID, Colour: MID, Sharpness: MID

ALIGNMENT SETTINGS

(The figures below are nominal and used for representative purposes only.)

1. Set the Bass to maximum position, set the Treble to minimum position, set the Volume to minimum then press the

down button (-/v) on the customer controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV into the Service Mode 1.

2. Press the RED / GREEN buttons to step up / down through the functions.

3. Press the YELLOW / BLUE buttons to alter the function values.

4. Press the OK button after each adjustment has been made to store the required values.

5. To exit the Service Mode, press the "N" button.

Alignment Function

EAROM copy TV/EXT ---

FLASH program copy EXT -> TV ---

Horizontal Position

Vertical Position

Horizontal Amplitude

Vert. Amplitude

EW-amplitude

Lower Corner

Trapezium-comp

Upper Corner

Note: All setting values are approximate

Setting indication

H-Pos

-15

V-Pos

H-Amp

V-Amp

EW-Amp 1

- 20

Lower Corner

Trapez 1

-4

Upper Corner

Settings / Special features

Optimum setting.

Vertical Linearity

Vertical Symmetry

Angle

Bow

DVCO

Highlight

Lowlight

Sub-Brightness

V-Lin

V-Sym

-12

Angle

Bow

-2

DVCO

-1

High 0451 0401 0380 Low 0270 0277 0256

Sub-Brightness

Optimum setting.

Receive a PAL Colour Bar Pattern. For DVCO alignment press "Blue" button, wait until the figure colour is changed from red to black colour.

Optimum setting.

+ 7 hidden pages