Digital Convergence Alignment; Sub Picture Amplitude - Zenith R50V26 Service Manual

NORMAL MODE: 0 1 2 3 4 5 6 7
RH X 02 X FE X 02 X 04
RV X 00 X 00 X 02 X 00
GH X 00 X FE X 00 X 04
GV X 00 X 00 X 02 X 00
BH X 00 X FE X 00 X 04
BV X 00 X 00 X 02 X 00

DIGITAL CONVERGENCE ALIGNMENT

There is no way to Calculate using a button on the remote.
However, each time the data is saved, it performs the
calculate function.
DISPLAY selects GREEN Adj.
0 selects RED Adj.
SOURCE selects BLUE Adj.

SUB PICTURE AMPLITUDE

PREPARATION FOR ADJUSTMENT
· Sub Brightness adjustment should be finished.
· Start adjustment 20 minutes after the power is
turned on.
Condition should be set as follows:
· Contrast = MAX
· Brightness = Center
· Press "SPLIT" button on Remote Control. PIP ap-
pears on screen
· Select Single mode. Receive NTSC white signal, for
the Main Picture and the Sub-Picture. (Do not
use Component Signals).
· Connect Probe on the P852 (CRT PWB — Green)
to check sub-picture amplitude. Enter I
ment Menu. Press Menu and scroll through pages
until TA1270-M appears.
ADJUSTMENT PROCEDURE
2
1. Go to I C adjustment Mode.
2. Press "MENU" on remote to scroll through adjust-
ment pages, until TA1270-M appears at the top of
the page.
3. Press "PIP CH" on remote control, TA1270-M
changes to TA1270-S.
4. Observe P852 on the CRT PWB and change the
TA1270-S "SUB CNT" I
tude of the Sub Picture is the same level as that of
the main picture. Shown below.
5. Exit Service Menu.
Adjust SUB CNT until peak white of PinP matches peak
white of the main picture.
PV154 - 923-03506
SERVICE ADJUSTMENTS
2 C adjust-
2
C data so that the ampli-
ZP25 Factory Reset Condition
ITEM
FUNCTION
NTSC Channel (Main, Sub) 03 CH
SOURCE MODE
SLEEP TIMER
MULTI WINDOW MODE
PIP Mode
Freeze Mode
SET UP
SET UP
TRILLINGUAL LANGUAGE
SIGNAL
Scan
CHANNEL Add/Del
CLOCK SET
HD FOCUS
PICTURE FORMATS
ASPECT STYLE
V. POSITION
COMPOSITE COLOR TYPE
VIDEO DISPLAY
CUSTOMIZE
CUSTOMIZE
CHANNEL LABEL
SOURCE ID
FAVORITE CHANNELS
PARENTAL CONTROLS
SECURITY TIMER
CAPTION / DISPLAY
CLOSED CAPTION
CCD DISPLAY
CCD MODE
CCD CHANNEL
MENU BACKGROUND
VIDEO
VIDEO
CONTRAST
BRIGHTNESS
COLOR
TINT
SHARPNESS
ADVANCED SETTINGS
LIGHT SENTRY
AUTO FRESH
WEAK SIGNAL
COLOR TEMPERATURE
3-22
INITIAL CONDITION
Antenna A
Not Registered
Off
Single (Bottom Right)
Single (Bottom Right)
SET UP
English
Antenna
2 ~ 13 CH
--
Not Registered
--
Normal
0
SDTV/HD
1080i
CUSTOMIZE
Not Registered
Not Registered
Not Registered
Not Registered
Not Registered
Not Registered
Off
C.C.
Channel 1
Shaded
VIDEO
100%
50%
50%
Center
50%
Off
On
Off
Cool
ZP26/28 - SERVICING