Service manual
Table Of Contents

CM152 2-1 XC - FACTORY MENU
905-10525 FACTORY MENU
FACTORY MENU ADJUSTMENTS
To access the Factory Menu, press and hold the MENU key
until the User Menu display disappears, then press 9876,
and then ENTER to access the Factory Menu.
1485-00 1.05 01
02/15/00 TE = 10110000
03 H Pos 9
Microcontroller
part number
Program
Revision
Font
Revision
Build Date
TE Status
Factory Option
The black bar near the top of the screen indicates the
part number of the software in the TV set. To the right is
a number indicating that the module has been tested.
The date on the black bar near the bottom of the screen
indicates the date the module went through the factory.
When the Factory Menu appears, it displays the fourth
Factory Menu item: VERT POS. Use the SELECT UP/DOWN
keys to toggle through all of the adjustments. Use AD-
JUST to make a change to the selected item.
00 FACT MENU: Use SELECT UP and DOWN Keys to select
item 00, the Factory Mode. The Factory uses this item
when the module is being tested. It has two posi-
tions: 0 and 1. In the field, this item should always be
left off (Zero is off).
When this item is off, only the first twenty-four items
in the Factory Menu can be accessed. They appear one
at a time near the middle left of the screen. When this
item is set to 1, 60 menu items are available.
In the Factory Menu, only the selected menu item is
displayed, near the top of the screen, as shown in the
figure.
When the Factory Menu is on, the AC Power-On fea-
ture is always enabled regardless of the setting of AC
ON in the Factory Menu. The TV set will automatically
come on when AC is applied.
Use the remote to reenter the Factory Menu to turn
the Factory Menu off. Setting the clock or running
the Auto Program feature in the customer Set Up menu
can also turn off the Factory Mode.
01 PRESET PX: Stores customer menu adjustments in the
nonvolatile memory of the EAROM. Selections are Cus-
tom and Preset-Store. Settings for Contrast, Bright-
ness, Color and Tint are stored in this manner. 0 is
custom and 1 is Preset stored.
02 VERT P0S: Moves On-Screen Displays vertically. The
Range is from 0-30. This adjustment is generally set
at 15.
03 H0RZ POS: Moves On-Screen Displays horizontally.
Range is from 1-45. Generally set at 20.
04 FEATURE LEVEL: There are three positions: 0,1 and
2.The three pisitions are used at the factory toprogram
the module for the correct features. In order to change
the level, short pins 3 and 4 togather on connector
4G9 on the main module.
NOTE: BE CAREFUL! IF THE WRONG PINS ARE SHORTED,
THE MODULE CAN POSSIBLY BE DAMAGED.
NOTE: BE SURE TO REMOVE THE JUMPER AFTER THE
LEVEL HAS BEEN SET.
Level 0 and 2 is used for private label’s set.
level 1 and 2 are used for Zenith set.
05 BAND: There are eight positions.
0 is Broadcast fixed 4 is Broadcast afc.
1 is CATV afc 5 is CATV fixed
2 is HRC afc 6 is HRC fixed
3 is ICC afc 7 is ICC fixed
06 POWER ONLY: There are two positions, 0 is off and 1
is AC on. In position 1 the unit will turn on and off
when AC power is applied and removed.
07 RF SUB BRT: (RF brightness) Sets adjustment range of
customer control for brightness in RF mode. Range is
0-63. A typical value is 32.
08 AUX SUB BRT: (Auxiliary Brightness) Sets adjustment
range of the customer control for brightness in AUX
mode. Range is 0-63. Typical value is 32.
09 MAX CONTRAST: Sets adjustment range of customer
control for contrast. Range is 0-63. Typical value is
63.
10 VERT SIZE: (Vertical Size) Range is 0-254.
11 HORZ SIZE: (Horizontal Size) Range is 0-254.
12 VERT PHASE: (Vertical Phase) Shifts picture
vertically.Range is 0-7.
13 HORZ PHASE: (Horizontal Phase) Shifts picture
horizontaly. Range is from 0-30.
14 HORZ AFC: Fast/slow responce . Horizontal frequency
controle. Range is 0-1.
15 BAND PASS: Sets adjustment range of the customer
control for brightness in therefore mode. Range is 0-
1. Set to 1.
16 TRAP 3.58: Zero is off, one is on. Set to 1 for normal
TV operation. Set to 0 if Y/C is used or chassis has a
comb filter.
SECTION 2










