Zenith C27A25, C27A25T6, C32A26, C32A26T6, C36A26, C36A26-8, C36A26T6,
C36A26T6-8
FACTORY MENU (Service Mode 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, press and hold the MENU key until the User Menu display disappears, then press 9876, and then ENTER.
The black bar near the top of the screen indicates the part
number of the software in the TV set. To the lower right is a number indicating
that the module has been tested. The date on the black bar near the bottom left
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. Uses ADJUST 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 positions: 0 and 1. In the field,
this item should always be left off (Zero is off).
When this item is off, only the first seven 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, 59 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 this item is off, only the first seven 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, 59 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 feature 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 Custom
and Preset-Store. Settings for Contrast, Brightness, 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 positions are used at the factory to program 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.
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 positions are used at the factory to program 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 BE DAMAGED.
BE SURE TO REMOVE THE JUMPER AFTER THE LEVEL HAS BEEN SET.
Level 0 is used for private label sets. Levels 1 and 2 are used for Zenith sets.
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
Level 0 is used for private label sets. Levels 1 and 2 are used for Zenith sets.
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.
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.
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 horizontally. Range is from 0-30.
14 HORZ AFC: Fast/slow response. Horizontal frequency control. Range is 0-1.
15 BAND PASS: Sets use of ICX2200’s internal band pass chrome filter. 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.
14 HORZ AFC: Fast/slow response. Horizontal frequency control. Range is 0-1.
15 BAND PASS: Sets use of ICX2200’s internal band pass chrome filter. 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.
17 RED CUT: B&W tracking
adjustment. Range is 0 to 254. Typical value is 0.
18 GREEN CUT: B&W tracking adjustment. Range is 0- 254. Typical value is 0.
19 BLUE CUT: B&W tracking adjustment. Range is 0-254. Typical value is 0.
20 GREEN GAIN: B&W tracking adjustment. Range is 0- 255. Typical value is 144.
21 BLUE GAIN: B&W tracking adjustment. Range is 0-254. Typical value is 144.
22 60HZ SW: (60 Hertz Switched) The range is 0 to 2. Set to 2.
23 WHITE COMPRESS: (White Compression) The range is 0 to 1. Set to 1. 0 = Enable and 1 = Disable.
18 GREEN CUT: B&W tracking adjustment. Range is 0- 254. Typical value is 0.
19 BLUE CUT: B&W tracking adjustment. Range is 0-254. Typical value is 0.
20 GREEN GAIN: B&W tracking adjustment. Range is 0- 255. Typical value is 144.
21 BLUE GAIN: B&W tracking adjustment. Range is 0-254. Typical value is 144.
22 60HZ SW: (60 Hertz Switched) The range is 0 to 2. Set to 2.
23 WHITE COMPRESS: (White Compression) The range is 0 to 1. Set to 1. 0 = Enable and 1 = Disable.
24 6 KEY SYSTEM: Keyboard type.
Set to 1 for 6 key and 0 for 10 key.
25 FRONT JACK: 1 = enabled, 0 = disabled
26 XTAL SELECT: Select the xtal oscillator for OSD. Range is 0-1
27 SOUND ATT: Composite audio level adjustment. Range is 0 -63.
28 SOUND ATT2: Composite audio level adjustment for tuner 2. Range is 0 -63.
29 RF AGC: (Rf Automatic Gain Control) Range is from 0-63. 48 is a general setting. Tune in weakest available channel and adjust for a snow- free picture.
30 PIF VCO: Range is 0-127. 70 are typical.
25 FRONT JACK: 1 = enabled, 0 = disabled
26 XTAL SELECT: Select the xtal oscillator for OSD. Range is 0-1
27 SOUND ATT: Composite audio level adjustment. Range is 0 -63.
28 SOUND ATT2: Composite audio level adjustment for tuner 2. Range is 0 -63.
29 RF AGC: (Rf Automatic Gain Control) Range is from 0-63. 48 is a general setting. Tune in weakest available channel and adjust for a snow- free picture.
30 PIF VCO: Range is 0-127. 70 are typical.
31 AUDIO ATT: Audio Attenuator
for main tuner. Range is 0-15. 9 is typical.
32 AUDIO VCO: Audio voltage controlled oscillator. Range is 0 -63. 31 is typical.
33 AUDIO FILTER: (Second Audio Program Voltage-Controlled Oscillator) Stereo, SAP, and dBx filter adjustment. Range is from 0-63.
34 AUDIO SPECTRL: Adjustment of stereo separation (3kHz). Range is 0-63.
35 WIDE BAND: Adjustment of stereo separation (300kHz). Range is 0-63.
36 DELAY PIP SELECT: Delay of output signal. Range is 0 -15. Typical is 15.
32 AUDIO VCO: Audio voltage controlled oscillator. Range is 0 -63. 31 is typical.
33 AUDIO FILTER: (Second Audio Program Voltage-Controlled Oscillator) Stereo, SAP, and dBx filter adjustment. Range is from 0-63.
34 AUDIO SPECTRL: Adjustment of stereo separation (3kHz). Range is 0-63.
35 WIDE BAND: Adjustment of stereo separation (300kHz). Range is 0-63.
36 DELAY PIP SELECT: Delay of output signal. Range is 0 -15. Typical is 15.
37 PIP V LEV: PIP auto gain
control. Range is 0 - 15 . Typical is 14.
38 YOFSET: PIP luminance offset. Range is 0 - 3. Typical is 0.
39 PIP PLLITC: PIP PLL synchronization. Range is 0 - 3. Typical is 0.
40 PIP HFP: PIP horizontal fine position. Range is 0 - 31. Typical is 0.
41 PIP INCRA: PIP Regenerated Color Carrier Frequency. Range is 0 - 31. Typical is 15.
42 PIP RED CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
43 PIP GREEN CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
44 PIP BLUE CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
45 PIP COLOR FRAME: Range is 0 - 63. Typical is 16.
46 PIP FR WID H: PIP Horizontal width of frame. Range is 0 - 7. Typical is 1.
47 PIP FR WID V: PIP Vertical size of frame. Range is 0 - 3. Typical is 0.
48 PIP C KILL: PIP Color Killer threshold. Range is 0 - 3. Typical is 2.
49 PIP Y PEAK: PIP Luminance peaking. Range is 0 - 7. Typical is 4.
50 PIP R GAIN: PIP Red Amplitude. Range is 0 - 254. Typical is 190.
51 PIP G GAIN: PIP Green Amplitude. Range is 0 - 254. Typical is 190.
52 PIP B GAIN: PIP Blue Amplitude. Range is 0 - 254. Typical is 190.
53 PIP COLOR ON: PIP Color on/off. Range is 0 - 1. Typical is 0.
54 PIP FRAME SEL: 3D PIP Frame Selection. Range is 0 - 1. Typical is 1.
55 PIP X1 POSITION: Range is 0 - 127.
56 PIP Y1 POSITION: Range is 0 - 254.
57 PIP X2 POSITION: Range is 0 - 127.
58 PIP Y2 POSITION: Range is 0 - 254.
38 YOFSET: PIP luminance offset. Range is 0 - 3. Typical is 0.
39 PIP PLLITC: PIP PLL synchronization. Range is 0 - 3. Typical is 0.
40 PIP HFP: PIP horizontal fine position. Range is 0 - 31. Typical is 0.
41 PIP INCRA: PIP Regenerated Color Carrier Frequency. Range is 0 - 31. Typical is 15.
42 PIP RED CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
43 PIP GREEN CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
44 PIP BLUE CUTOFF: Adjustment of blanking level. Range is 0 - 15. Typical is 0.
45 PIP COLOR FRAME: Range is 0 - 63. Typical is 16.
46 PIP FR WID H: PIP Horizontal width of frame. Range is 0 - 7. Typical is 1.
47 PIP FR WID V: PIP Vertical size of frame. Range is 0 - 3. Typical is 0.
48 PIP C KILL: PIP Color Killer threshold. Range is 0 - 3. Typical is 2.
49 PIP Y PEAK: PIP Luminance peaking. Range is 0 - 7. Typical is 4.
50 PIP R GAIN: PIP Red Amplitude. Range is 0 - 254. Typical is 190.
51 PIP G GAIN: PIP Green Amplitude. Range is 0 - 254. Typical is 190.
52 PIP B GAIN: PIP Blue Amplitude. Range is 0 - 254. Typical is 190.
53 PIP COLOR ON: PIP Color on/off. Range is 0 - 1. Typical is 0.
54 PIP FRAME SEL: 3D PIP Frame Selection. Range is 0 - 1. Typical is 1.
55 PIP X1 POSITION: Range is 0 - 127.
56 PIP Y1 POSITION: Range is 0 - 254.
57 PIP X2 POSITION: Range is 0 - 127.
58 PIP Y2 POSITION: Range is 0 - 254.
SMPS SCHEMATIC
HORIZONTAL & VERTICAL SCAN OUT
Click on the pictures to Magnify
