Zenith HW20H52DT Manuel de service Page 1

SERVICE MANUAL SERVICE MANUAL Product Type: Chassis: Manual Part #: Model Line: Product Year: Model Number:CONTENTSGeneral Informa

3828VD0205B 1-6 CH-FLAT - OVERVIEWOVERVIEW (continued)LT-2000/2002 CLONE PROGRAMMERThe Quick Set II programmer LT2000 or LT2002 allowscustom setup and

3828VD0205B 1-7 CH-FLAT - OVERVIEWOVERVIEW (continued)Using the on-screen menu, select a memory or return tothe main selection menu. Then press O

3828VD0205B 1-8 CH-FLAT - MENUSUSER MENUSINSTALLATION SETUPINSTALLER’S REMOTE AND CLONE PROGRAMMERTo perform the installation setup for several T

3828VD0205B 1-9 CH-FLAT - MENUSUSER MENUS (continued)VIDEO MENUPress MENU repeatedly until the Video Menu appears.Your options are:• CONTRAST: Ad

3828VD0205B 1-10 CH-FLAT - MENUSUSER MENUS (continued)ON-SCREEN DISPLAYSCHANNEL/TIMEPress ENTER. Shows currently selected channel or source,and c

3828VD0205B 1-11 CH-FLAT - MENUSUSER MENUS (continued)RADIO FEATUREPressing the TV/FM key allows the customer to listen theRadio. The Auto Progra

3828VD0205B 1-12 CH-FLAT - MENUSUSER MENUS (continued)CHANNEL BANKAllows choosing between one of 4 channel banks.Press SOURCE to change between b

3828VD0205B 2-1 CH-FLAT - FAC

3828VD0205B 2-2

3828VD0205B 2-3 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENUACCESSING INSTALLER´S MENUUsing the optional i

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS3828VD0205B

3828VD0205B 2-4 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)TV will remain on channel 3. NOTE: W

3828VD0205B 2-5 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)19-I. NOT USED20-I. FEATURE LEVELD

3828VD0205B 2-6 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)45-I. NOT USED46-I. NOT USED47-I. NO

3828VD0205B 2-7 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)70-I. FOR. CH-T COL.(Channel-Time

3828VD0205B 2-8 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)Menu Item Function Value Range Defau

3828VD0205B 2-9 CH-FLAT - INSTALLER’S MENUINSTALLER’S MENU (continued)Menu Item Function Value Range Def

3828VD0205B 3-1

3828VD0205B 3-2

3828VD0205B 3-3

3828VD0205B 3-4

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS3828VD0205B

3828VD0205B 3-5

3828VD0205B 3-6

3828VD0205B 4-1 CH - FLAT MODEL PARTS

1235467H20H52DT/DT8 Exploded View 5-13828VD0205BCH FLAT SHEET 11 2 3 4 5 6 7 8 9 10REF DESCRIPTION H20H52DT H20H52DT81 CABINET ASSEMBLY 3091V00B81D

Micro Processor1 2 3 4 5 6 7 8 9 10GDCBEFA6-1CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY

Video Processor1 2 3 4 5 6 7 8 9 10GDCBEFA6-2CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY

Audio Amplifier1 2 3 4 5 6 7 8 9 10GDCBEFA6-3CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY

Power Supply1 2 3 4 5 6 7 8 9 10GDCBEFA6-4CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY WIT

Deflection1 2 3 4 5 6 7 8 9 10GDCBEFA6-5CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY WITH

Radio1 2 3 4 5 6 7 8 9 10GDCBEFA6-6CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY WITH PART

TABLE OF CONTENTSSECTION 1...GENERAL INFOINTRODUCTION ... 1-1Overview ...

1111111+ 14 SPK+ 14SPKRX4 0 0 62 2 KRX4 0 0 52 W2 2C X4 0 0 25 0 V4 7 µ FZDX4 0 0 21/ 2 W0 DZ 5 10 0 0 9 B FGDZ5 .1B5 . 1VZDX4 0 0 31/ 2 W0 DZ 5 10 0

6 6 3 0V L 02 7 113 6 6 - 9 2 2 JCON16 6 3 0V L 02 7 111E116 6 3 0V L 02 7 112 E66 6 3 0V L 02 7 11CON21V GA104321657891011432165789101143216578910114

6 6 3 0V L 02 8 116 6 3 0V L 02 8 112 2 K2 2 0p F5 0V10K4 .7 K4 .7 K+ 5 VSBF1M+ 5 VSBF+ 5 VSBF6 6 12 V EH001A+ 11V4 7 04 7 02 2 K3.3K1K2 2 04 7 0K0TR9

Video Output1 2 3 4 5 6 7 8 9 10GDCBEFA6-10CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIRCOMPONENTS DESIGNATORS. REPLACE ONLY WI

RX3213QX3 9 0 0EBCC X3 2 0 9W8 2G92 17C X3 2 0 7R3 2 14QX3 2 0 0EBCDX3 2 0 4TX3 2 0 1RX3 2 0 8C 3 2 0 0C X3 2 0 4C N3 Y3R3 2 0 02 0 6RX3 2 0 93205DX3

6 0 4M6 0M6 06 0 36 0 4M6 046 0 00 42 2 12 2 02 2 1RRM12 15RM3 0 0 2C M12 184C MRM3 0 0 1C M12 0 15 1RM2 2 134 0C M12 0 4RM2 2 5 2RM2 2 2 9C M2 2 2 5R

D5100C5108CRT1CRT2W0160C4965C4966C49676E211E1MPIR4997R4992R4990R4991R4996C5107R4987C5104R4983W3L5100R5114Q5102Q5103C5101L5102D5105DAGRX5104RX5111RX512

RM4989RM4986RM4995RM4985RM4994CM5105CM5118CM5103CM5106CM5109CM5102RM5118RM5109RM5106RM5113RM5121RM5105RM5112RM5108RM5117RM5102RM5101RM51202nd. PCB Lay

3828VD0205B 1-1 CH-FLAT - OVERVIEWOVERVIEWINTRODUCTIONThis manual provides a brief explanation

3828VD0205B 1-2 CH-FLAT - OVERVIEWOVERVIEW (continued)INTERFACESSUPERPORT - MPIZenith Commercial Product receivers are now beingadapted to interact wi

3828VD0205B 1-3 CH-FLAT - OVERVIEWOVERVIEW (continued)PILLOW SPEAKER INTERFACEDESCRIPTIONThe pillow speaker interface within the TV, provides thr

3828VD0205B 1-4 CH-FLAT - OVERVIEWOVERVIEW (continued)SETTINGS MIN/MAX VOLUME LEVELSUse the following procedure to adjust minimum volumeand maximum vo

3828VD0205B 1-5 CH-FLAT - OVERVIEWOVERVIEW (continued)*Note: Bed 1 - Bed 2 switch on installer/patient remote. The position of the Bed 1-Bed 2 s