TX-28PK10 - Panasonic TV Service Manual (repair manual). Page 6

Read Panasonic TX-28PK10 Service Manual online

ADJUSTMENT PROCEDURE
Item/Preparation
Adjustments
Voltage Confirmation Set-Up
1. Receive 
Greyscale 
signal.
1.  Set the controls:-
Brightness:
Minimum
Contrast:
Minimum
Volume:
Minimum
1.
Confirm the following voltages.
D-Board
E-Board
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
205V ± 10V
STD5V E26, pin4
5V
± 0,5V
D14, pin5
5V
± 0,5V
U15
E23, pin8
15V
± 1V
D12, pin7
15V
± 2V
U15
E23, pin9
-15V
± 2V
D12, pin9
-15V
± 2V
U33
E22, pin10
33V
± 4V
D11, pin8
12V
± 2V
U40
E24, pin1
40V
± 3V
D11, pin10 33V
± 3V
U5B
E19, pin5
-5V
± 0,5V
Cut-Off
1. Receive 
Greyscale 
signal.
2.  Degauss the tube externally.
3.  Set the TV into Service Mode 1.
4.  Select Cutoff mode.
Adjust the screen VR until the display shows "O.K."
FACTORY SETTINGS
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.".
Service Aids
To aid in the service of our current chassis there are a number of Service Aids which have been made available.
 
LUCI
 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.
 
VICI
 (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
 
TASMIN
 (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.
NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.
5
VPC
O.K.
TUN
O.K.
E2
O.K.
MSP
O.K.
DPL
- -
CI1
O.K.
CI2
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
31
OPTION 3
02
OPTION 4
C0
OPTION 5
B1
OPTION 6
E9
Page of 46
Display

Click on the first or last page to see other TX-28PK10 service manuals if exist.