DOWNLOAD Panasonic TX-33AK10 Service Manual ↓ Size: 8.24 MB | Pages: 58 in PDF or view online for FREE

1.

Remove the bead clamper from the mains lead and affix, using back cover screw, into top right-hand cabinet rib (A),
shown in Fig.3.

2. Remove 2 screws (B), as shown in Fig.4, and remove speaker assembly.

3. Hold and lift the rear of the chassis and gently pull the chassis toward you, as shown in Fig.3.

4. Release the respective wiring clips and rotate the chassis vertically through 90

°

, anti-clockwise.

5. Locate the base of the chassis frame into location (C), shown in Fig.5 / Fig.7.

6. Clip the chassis frame onto the bead clamper, shown in Fig.5 / Fig.6.

7. After servicing replace the bead clamper and speaker, and ensure all wiring is returned to its original position before 

returning the receiver to the customer.

(A)

1. Receive 

a 

Greyscale 

signal.

2.  Set the controls :-

Brightness

Minimum

Contrast

Minimum

Volume

Minimum

1. Set the +B voltage up as follows:-

Adjust R811 so that B2 shows 148V±1V.

2. Confirm the following voltages.
D3

PIN5 147V ±

3V

U8A

E19-PIN8

8V

±

0,5V

D12

PIN5 5V

±

0,3V

U9

IC3801-PIN3 9V

±

0,5V

D13

PIN1 40V

±

4V

U12

E22-PIN8

12V

±

0,5V

D3

PIN4 230V ±

10V

STD5V

E26-PIN4

5V

±

0,5V

D3

PIN4 205V ±

10V

U15

E23-PIN8

15V

±

1V

D3

PIN4 190V ±

10V

U15

E23-PIN9

-15V

±

1V

D3

PIN4 190V ±

10V

U33

E22-PIN10

33V

±

4V

D14

PIN5 5V

±

0,5V

U40

E24-PIN1

40V

±

3V

D12

PIN7 15V

±

2V

U5B

E19-PIN5

5V

±

0,5V

D12

PIN9 15V

±

2V

D11

PIN8 12V

±

2V

D11

PIN10 33V

±

3V

1. Receive a Greyscale signal.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.

Adjust the screen VR until the display shows "O.K."

To return customer settings to factory settings and clear owner ID of all information input by the customer, enter Self-Check
mode. Press the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS
button

on the remote control. To exit Self Check, switch off the TV set at the power button.

If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".

To aid in the service of our current chassis there are a number of Service Aids which have been made available.

•

 

 interface kit (Linked Utility Computer Interface)

Part number: TZS6EZ002
This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As new
models are introduced upgrade software will become available.

•

 

 (Visual Interactive Computer Information)

These C.D.'s contain multimedia documentation providing quick access to service information.
Part No. TZS7EZ006, TZS7EZ005 & TZS8EZ001
1. Service Manuals
2. Instruction Books
3. Technical Information

•

 

 (Technically Advanced System for Multimedia Interactive Notes)

As well as providing a first step towards more interactive training this product also achieves quick access to Technical
Information.

VPC

O.K.

TUN

O.K.

E2

O.K.

DPL

O.K.

CIP1

O.K.

CIP2

O.K.

VP

O.K.

DFU

O.K.

COL

- -

PIP

- -

DIS

O.K.

PCB

O.K.

Cab

O.K.

Sum

Factory use only

OPTION 1

80

OPTION 2

30

OPTION 3

02

OPTION 4

27

OPTION 5

B1

OPTION 6

E9

NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.

B - Out
IC601 Pin 42

2.2V

32

µ

S

R - Out
IC601 Pin 40

32

µ

S

2.2V

G - Out
IC601 Pin 41

2.2V

32

µ

S

Vert Drive
IC451 Pin 2

8mS

63V

Vert Out
IC601 Pin 1

8.6mS

0.6V

VFLB
IC451 Pin 5

1V

8.6mS

Video In
IC1101 Pin 68

0.9V

64

µ

S

H - Out
IC601 Pin 8

3.9V

32

µ

S

HFLB
IC601 Pin 13

32

µ

S

7V

32

µ

S

1V

R - Y
IC601 Pin 26

Luminance In
IC601 Pin 28

0.9V

32

µ

S

B - Y
IC601 Pin 27

32

µ

S

1.3V

28

µ

S

6V

H - Out
IC3901 Pin 3

V - Out
IC3901 Pin 21

0.1V

32

µ

S

E/W - Out
IC601 Pin 3

280

mV

8.5mS

NOTE: All waveforms have been taken using a standard colour bar pattern.

(The figures below are nominal and used for representative purposes only.)
1. Set the Bass to maximum position, set the Treble to minimum position, 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.

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 STR button after each adjustment has been made to store the required values.
5. To exit the Service Mode, press the "N" button.

Horizontal Position

H-Pos

+020

Optimum setting.

Vertical Position

V-Pos

+024

Optimum setting.

Horizontal Amplitude

H-Amp

+049

Optimum setting.

Vert. Amplitude

V-Amp

+029

Optimum setting.

EW-amplitude

E/W-Amp1

+022

Optimum setting.

EW-amplitude

E/W-Amp2

+000

Optimum setting.

Trapezium-comp

Trapez-1

+033

Optimum setting.

Horizontal-Parallel

H-Parallel

+032

Optimum setting.

Vertical Linearity

V-Lin

+004

Optimum setting.

DVCO

DVCO

000

Receive a PAL Colour Bar Pattern. For
DVCO alignment press "Blue" button, wait
until the colours are stable and press
"STR".

Cut-off DC

Cut-off

O.K.

To adjust Cutoff adjust the screen VR until
the display shows "O.K."

Highlight

High

0031 0031 0031

Contrast

Maximum

A.I.

Off

Optimum setting.

Sub-Brightness

Sub-Brightness

000

Optimum setting.