Zenith B25A10Z Service Manuallines

Also see for B32A24Z: Operating guide Specifications

Contents

Zenith B25A10Z Service Manuallines Manual pdf 47 page image

CM151 2-6 CA - INSTALLER MENUSINSTALLERS MENU 221-138601 PRE PX: Used to store the customer menu adjustments inthe non-volatile memory of the EAROM . Settings for Contrasts,Brightness, Color and Tint are stored in this manner, 0 iscustom and 7 is Pre-set stored.02 V POS: Moves On Screen Displays vertically. Range is 0-30 .03 H POS: Moves On Screen Displays horizontally. Range is0-45 .04 LEVEL: There are three positions, 0, 1 and 2 . The threedifferent positions are used at the factory to program themodule for the correct features . In order to change thelevel, short pins 3 and 4 together on connector 4G9 on themain module. The connector is located on the left hand sideof the module just to the Micro IC6000 .Note: Be careful, shorting the wrong pins could damagethe module. Always remember to remove thejumper after setting the level.Level 0 and 2 is used for Private Label sets. Level 1 and 2are used for Zenith sets . In the private label mode the IRcode is 21 or 121 .05 BAND: There are eight positions. 0 is Broadcast fixed, 1is CATV afc, 3 is ICC afc, 4 is Broadcast afc, 5 CATV fixed, 6is HRC fixed, and 7 is ICC fixed.06 AC ON: There are two positions, 0 is off and I is AC On.In On position set will turn on and off when AC power isapplied and removed.07 RFB PF: (RF Bandpass) Range is 0-1.08 3.5T: 3.58 MHz trap. Range is 0-1.09 RF BRT: (RF Brightness) Sets adjustment range of thecustomer control, for brightness in RF mode. Range is 0-6310 AX BRT: (Auxiliary Brightness) Sets adjustment range ofthe customer control, for brightness in AUX mode. Range is0-63.11 MAX CON: (Max Contrast) Set adjustment range ofcustomer control for contrast. Range is 0-6312 V SIZE: (Vertical Size) Adjust the size of the picturevertically. Range is 0-254.13 H SIZE: (Horizontal Size) Adjust the size of the picturehorizontally. Range is 0-254.14 V PHASE: (Vertical Phase) Shifts picture vertically. Rangeis 0-715 H PHASE: (Horizontal Phase) shifts picture horizontally,Range is 0-31.16 AUDLVL: (Audio Level) Set gain for Composite Audiofrom Video processor. Range is 0-63.17 RF AGC: Range is 0-6318 H AFC: There are two settings 0 and 1 . Settings isusually 1.19 WHCOMP: (White Compression) There are two settings 0and 1 . Settings is 0 .20 60 HZSW: (60 Hertz compression ) There are two settings0 and 2 . Settings is 0.21 PIFVCO: (PIF Voltage Controlled Oscillator) Range is 0-127.Items 22 through 26 vary with CRT*22 R CUT: B&W tracking adjustment. Range is0 to 255. Typical value is 20.23 G CUT: B&W tracking adjustment. Range is 0 - 255.Typical value is 0.24 B CUT: B&W tracking adjustment. Range is0 - 255. Typical value is 28.25 G GAIN: B&W tracking adjustment. Range is 0- 255. Typical value is 45.26 B GAIN: B&W tracking adjustment. Range is0 - 254. Typical value is 70.27 SCROLL: Selects the method the User Menus that willappear on the screen . Scroll Off is 1, 1 is On.28 6 KEYS: Set to 1 for the 6 button keyboard.29 A ATT: (Audio Attenuator) Range is 0-1530 ASPECTRAL : High Frequency separation . Range is 0-6331 WBAND: (Wide Band Low Frecuency Separation) Range is0-63.32 PIP X1 POS: Range is 0-25433 PIP Y1 POS: Range is 0-25434 PIP X2 POS: Range is 0-25435 PIP Y2 POS: Range is 0-25436 PIP BRIGHTNESS: Range is 0-25437 PIPR CONTRAST: Range is 0-12738 PIPG CONTRAST: Range is 0-12739 PIPB CONTRAST: Range is 0-12740 PIP ADJUST: Range is 0-1541 PIPY DELAY: Range is 0-1542 PIP BGSTART: ( PIP Burst Gate Start) Range is 0-31.43 PIP ACCLEVEL: Range is 0-6344 PIP HX: Range is 0-6345 PIP VXS: Range is 0-6346 PIP COMP: (Pip External Syncronic) Range is 0-3.Differences for 221-1386-0147 XTAL: External Crystal. Range is 0-1.* Adjust only if CRT has been changed. The “CUT”adjustments affect the Lowlights and the “GAIN”adjustments affect the Highlights.