Panasonic CT-32SX12CF Service Manual Download

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Service mode (electronic controls)

This receiver has electronic technology using the I²C
bus concept. It performs as a control function and it
replaces

many

mechanical

controls.

Instead

adjusting mechanical controls individually, many of the
control functions are now performed by using “on
screen display menu”. (The service adjustment
mode).

Note:

It is suggested that the technician
reads

all

the

way

through

and

understand the following procedure for
entering/exiting

the

service

adjustment mode; then proceed with
the

instructions

working

with

the

receiver. When becoming familiar with
the procedure, the flow chart for
service mode may be used as a quick
guide.

Quick entry to service mode:

When minor adjustments need to be done to the
electronic controls, the method of entering the service
mode without removal of the cabinet back is as follows
using the remote control:
1.

Select SET-UP icon and select CABLE mode.

Select TIMER icon and set SLEEP time for 30 Min.

Press “ACTION” twice to exit menus.

Tune to the channel 124.

Adjust VOLUME to minimum (0).

Press VOL

(decrease) on receiver. Red “CHK”

appears in upper

Note: After receiver is set into service mode,

set TIMER back to NO.

Press POWER on the remote control to display

the service adjustment modes menu, select

adjustment by pressing the volume right/left

buttons and channel up/down buttons on the

remote and ACTION to enter the adjustment.

Exiting the service mode:

This TV goes out from service mode when it is
unplugged or turned OFF. To exit the service mode,
turn the TV OFF or unplug the TV from AC.

Other method

Press

ACTION

and

POWER

the

receiver

simultaneously for at least 2 seconds.
The receiver momentarily shuts off; then comes back
on tuned to channel 3 with a preset level of sound.
Any programmed channels, channels caption data and
some others user defined settings will be erased when
exited by pressing ACTION and POWER on receiver.

To check colors:

Press RECALL on the remote control when in service
mode (red “CHK” is displayed) to enter the purity field
check mode.

To toggle between aging and service
modes:

While the “CHK” is displayed on the left top corner
of the CRT, pressing “ACTION” and “VOL” up on the
TV simultaneously will toggle between the modes.
Red “CHK” for service and yellow “CHK” for aging.

Helpful hints

Entering service mode (open-back method)

•

While the receiver is connected and operating in
normal mode, momentarily short test point
FA1 (A15 pin 2) to cold ground (

) (A-Board).

The receiver enters the aging mode.

Yellow letters “CHK” appear in the upper left corner of

the screen.
(The VOLUME up/down will adjust rapidly).

Note:

When entering using this method, the only
way to go out of service mode is to press
ACTION and POWER on the receiver
simultaneously for at least 2 seconds.

MTS

MTSIN SEPAL

SEPAH

CLOCK CLOCK

HHSTH

VIDEO

COLOR

BRIGH

TINT

CONT

B-Y_G

CUT_G