Module/Model Part Lists ......... 4 Exploded Views ..........5 Schematics/PCB Layouts ......... 6 Published by Technical Publications Zenith Electronics Corporation 201 James Record Road - Huntsville, Alabama 35824-1513 Copyright April 2000 by Zenith Electronics Corporation Printed in U.S.A. XC CCI 2.5k...
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When servicing this product, under no circumstances should the original design be modified or altered without permission from Zenith Electronics Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.
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PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS SHUTDOWN CIRCUIT THEORY OF OPERATION The Zener Diode function is to keep a constant voltage The HV shutdown network feeds the shutdown or X-ray on its terminals. Since the Zener is in series with the protection input, pin 29, of ICX2200 video processor ICX2200 (see the figure below) a difference of voltage IC.
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PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS SAFETY CIRCUIT TEST PROCEDURE SHUTDOWN CIRCUIT TEST Equipment required: Equipment required: a) K.V. DC meter (0 to 30 KV, high Z). a) K.V. DC meter (0 to 40 KV, high Z). b) Video Generator b) External variable power supply (0V to 8 VDC).
Feature and component information is listed below for each of the XC models. XC Chassis Model Information MODEL SCR CABINET JACKS MODULE REMOTE MICRO OP GUIDE FRENCH GUIDE COMPONENT LEVEL REPAIR 924-10084 905-10525 206-03590 C27C35T(F) TableTop 1 Tuner PIP Component 901-10006 Level TableTop 924-10085 905-10525 206-03591 C27C41T(F) 2 Tuner PIP...
REMOTE PROGRAMMING PROGRAMMING INSTRUCTIONS CABLE BOX If you’re using Zenith products, the remote is already This remote can control the cable/converter box volume programmed for most common codes: TV = 101, VCR = and muting (instead of the TV’s) if available on your 201, CABLE = 353, and AUX = 401.
USER MENUS 905-10525 905-10525 USER MENUS SET UP MENU When a channel is selected with the Surf key, the channel will be marked in the SURF option or it can be selecting The Setup Menu and all of the options for the XC Chassis in the Setup Menu.
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905-10525 USER MENUS (continued) TIME SET SET UP SET UP Use the Up/Down arrow keys to adjust the clock the desired Time Set option. EZ PROGRAM EZ CLOCK EZ CLOCK ADD/DEL/SURF EZ CLOCK CAPTIONS CAPTION/TEXT EZ MUTE LANGUAGE CLOCK MODE SOURCE/MENU TIME SET 12 : 00...
905-10525 USER MENUS (continued) SET UP SET UP SOURCE MENU SOURCE MENU EZ PROGRAM MAIN MENU ANTENNA/CABLE ADD/DEL/SURF PIP SOURCE VIDEO 1 EZ CLOCK VIDEO 2 CAPTIONS CAPTION/TEXT ENGLISH LANGUAGE SPANISH SOURCE/MENU FRENCH MOVE BACK MENU MOVE BACK MENU SOURCE MENU PIP SOURCE This menu has two items, Main Source and PIP Source.
905-10525 USER MENUS (continued) BRIGHTNESS Note: If the program does not support Stereo, there the audio will reproduce in mono. For adjust this feature use Left/Right arrows keys. SOUNDRITE The brightness value sent to video processor is (RfBrt + The Sound Rite feature is used to obtain a uniform Customer Brightness) if the source is on the RF source, volume level, particularly while changing channels.
905-10525 USER MENUS (continued) CONTENT BLOCK LOCK ON/OFF Use the Left/Right arrow keys to select the Content This item turns the Parental Control feature On/Off. The Block Menu. Parental Control feature can only be turned on if the hours > 0, and a password has been set. Otherwise the DIALOG BLOCK Lock On/Off line will display either of the following error To block an entire program with the dialog rating, use...
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905-10525 USER MENUS (continued) SLEEP TIMER ON/OFF TIME The On/Off Time can be selected using the Up/Down keys. (Use volume down and volume up for 6-key EZ TIMER EZ TIMER keyboard). Pressing the TIMER key will increment the Sleep timer SLEEP TIMER to 0:10 and restore all other key functions.
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905-10525 USER MENUS (continued) PIP MENU TINT PIP All menu items are adjust with the Left/Right arrows This item allows the PIP tint. Tint adjustment has 63 keys, except the size menu. steps (0 to 63). SIZE PIP SPECIAL This option is used to select size of the PIP window. The customer may select the PIP window size either Large or Small.
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905-10525 USER MENUS CHANNEL AND PIP DISPLAY EZ TIMER EZ TIMER EZ HELP EZ HELP The following display appears when the channel display and PIP is on. SLEEP TIMER IF YOU DO NOT HAVE ANY ON TIME 12 : 00 WATCHABLE CHANNELS OFF TIME...
TE = 10110000 Level 0 and 2 is used for private label’s set. level 1 and 2 are used for Zenith set. The black bar near the top of the screen indicates the part number of the software in the TV set. To the right is 05 BAND: There are eight positions.
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905-10525 FACTORY MENU (continued) 17 RED CUT: B&W tracking adjustment. Range is 0 to 37 PIP V LEV: PIP auto gain controle. Range is 0 - 15 . 254. Typical value is 0. Typical is 14. 18 GREEN CUT: B&W tracking adjustment. Range is 0- 38 YOFSET: PIP luminance offset.
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0-30 Moves captions and displays vertically 03 HORIZONTAL POSITION 0-80 Moves captions and displays 04 FEATURE LEVEL Selects Zenith or private IR codes 05 TUNING BAND Broadcast band adjustment 06 POWER ONLY AC Power Only Off/On 07 RF SUB BRIGHTNESS...
When troubleshooting video circuits, remember that all video travels through the PIP IC (if used) and the Servicing the XC chassis is the same as with other Zenith Video/Audio switcher IC. A defect in either of these single-board chassis. If the set is dead, first check the IC’s can result in no video.
SERVICING (continued) ADJUSTMENTS IF AND AUDIO SERVICING G2 ADJUSTMENT VIDEO DETECTOR Use the following procedure when resetting G2. If there is no viewable picture on screen, access the Factory Menu and check default settings for the 1. Set brightness and contrast in Video Menu to mid following items: range.
SERVICING (continued) PURITY & CONVERGENCE SETUP PROCEDURE PRELIMINARY SETUP CONVERGENCE ADJUSTMENT 1.Allow the receiver to warm up for 15 to 20 minutes. 1.Release locking assembly. 2.Degauss the CRT. 2.Connect crosshatch generator to the receiver and adjust static (center) convergence as follows: 3.Connect a crosshatch generator to the receiver and “rough in”...
SERVICING (continued) VERTICAL-TILT WEDGE ADJUSTMENT MODIFICATION 1.Place the magnet on the CRT funnel as shown in the The vertical lines at 6 and 12 o’clock are converged by vertically tilting the yoke and inserting a wedge at the figure displayed below, in the quadrant exhibiting top of the yoke until it is firmly seated between the impurity.
SECTION 4 MODEL PARTS MODEL PARTS C27C41TF C27C35T 049-01368-03 Speaker, Oval, 6 X 13 cm 049-01368-03 Speaker, Oval, 6 X 13 cm 050-02576-05 Connector & Cable Assy, 2.5mm, 4 Contact, 1 Up 050-02576-05 Connector & Cable Assy, 2.5mm, 4 Contact, 1 Up...
MODEL PARTS (continued) C36C35TF C36C41T 009-02169 Module, Main with 1 PIP, 6 Jacks & Keyboard, 009-02170 Module, Main with 2 PIP, 6 Jacks & Keyboard, MTS, Digital Comb Inv MTS, Digital Comb Inv 049-01368-03 Speaker, Oval, 6 X 13 cm 049-01368-03 Speaker, Oval, 6 X 13 cm 050-02576...
MODEL PARTS (continued) LGC29C35TM C36C41T8 049-01368-03 Speaker, Oval, 6 X 13 cm 009-02170-01 Module, Main 36V, 2 Pip, 6 Jack & Keyboard, MTS,Digital Comb 050-02576-05 Connector & Cable Assy, 2.5mm, 4 Contact, 1 Up 020-04330-34 Coil, Degausser 924-10084 Space Command Transmitter, MBR3457T 049-01368-03 Speaker, Oval, 6 X 13 cm A-14323...
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COMPONENT PARTS LIST COMPONENT PARTS LIST REFERENCE CHART The following information is for models in and out of warranty. The XC models are component level repair. MODEL INDENTIFIER To Order Parts: call 1-888-3-ZENITH C27C35T fax 1-888-6-ZENITH C27C35TF C27C41T C27C41TF LGC29C35TM...
COMPONENT PARTS COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION C1300 022-08309-12A Cap, 100 mfd 20% 16V, Electro 058-00586-05 Plug, Multiprong, Natural Color, 5 Position C1301M...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION C2204M 022-08376-32A Cap, 100,000 pfd +80% & -20% 16V, C2435M 022-08352-18A Cap, 18 pfd 5% 50V, Ceramic Chip...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION C2907 022-08312-08A Cap, 10 mfd 20% 50V, Electro C6027M 022-08352-36A Cap, 100 pfd 5% 50V, Ceramic Chip C2908...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION CX3221 022-08312-11A Cap, 47 mfd 20% 50V, Electro DX3611 103-00589-01 Diode, Fast Recovery Rectifier, 600 PIV CX3222...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION L2202 020-04129-16 Coil, 4.7 Microhenry, RCF, Fixed Q2405 121-01310A Transistor, NPN, Silicon L2400 020-04277-42A...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION R1301M 063-11059-41A Resistor, Chip, 470 Ohm 5% 1/10W R2213 063-10235-56 Resistor, Film, 220 Ohm 5% 1/4W R1302M...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION R2418M 063-11059-25A Resistor, Chip, 100 Ohm 5% 1/10W R2914 063-10235-45 Resistor, Film, 75 Ohm 5% 1/4W R2419M...
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COMPONENT PARTS LIST SEE REFERENCE CHART ON PAGE 5 NOTE: This list will enable you to easily determine the parts used on each Model, Chassis, or Assembly. PART# DESCRIPTION PART# DESCRIPTION R6019M 063-11059-49A Resistor, Chip, 1K Ohm 5% 1/10W RX3210 063-10460-44A Resistor, Wirewound, 6.8 Ohm 10% 10W R6021M...
& 0 5 0 #&A & 5 0 "" This schematic applies to TCU# the following XC models: TCU& C27C35T(F) TCU C27C41T(F) TCU# TCU$ LGC29C35TM TCU& TCU 8PHQ6V9 TCU$ CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M”...
' & 6&/ the following XC models: X) 6+7 X) $ ) C27C35T(F) 6'$ , & 6+7 $ ) C27C41T(F) .,$ LGC29C35TM CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR XC SHEET 4 COMPONENT DESIGNATORS.
RY" $# This schematic applies to $ the following XC models: $ !&F 8"$# C27C35T(F) A C27C41T(F) LGC29C35TM CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR XC SHEET 8 COMPONENT DESIGNATORS.
)%/.3,3 6+7 This schematic applies to 50 50 the following XC models: 3529 C27C35T(F) C27C41T(F) LGC29C35TM CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR 6-10 XC SHEET 10 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.