Page 2 - PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS
PV154 - 923-03506 ZP26/28 - SAFETY PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS i IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audio-video servicetechnicians. When servicing this product, under no circumstances should the originaldesign be modifie...
Page 3 - ii
PV154 - 923-03506 ZP26/28 - SAFETY ii CRT ANODE HIGH VOLTAGE MEASUREMENT PROCEDURE To prevent possible exposure to radiation caused by excessive CRTAnode voltage, the High Voltage Shutdown circuit senses the levelof flyback pulse from “Flyback Transformer” representative of theactual high voltage on...
Page 4 - HOLD-DOWN CIRCUIT INFORMATION
PV154 - 923-03506 ZP26/28 - SAFETY - iii - PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS HOLD-DOWN CIRCUIT INFORMATION NORMAL CONDITION In normal condition, the DC voltage at point is ap-proximately 4.88V through pin 1 of P1407 (HV Block).The voltage at point is approximately 4.86V. T...
Page 5 - TABLE OF CONTENTS
TABLE OF CONTENTS PV154 - 923-03506 ZP26/28 - TOC SECTION 1 .................... OVERVIEW OVERVIEW ..................................................... 1-1 ON SCREEN DISPLAY ..................................... 1-3REMOTE BUTTON DESCRIPTIONS ..................... 1-5PROGRAMMING THE REMOTE ............
Page 7 - SECTION 1; OVERVIEW
PV154 - 923-03506 1-1 ZP26/28 - OVERVIEW OVERVIEW SECTION 1 The R56/65W28 and R50/60V26 are HDTV Monitors. This means that most of the components of a HDTV are presentexcept for the ASTC tuner. An HDTV receiver or converter box is required to view an ASTC signal. The W28 models featurea 16:9 aspect ...
Page 9 - ON SCREEN DISPLAY
PV154 - 923-03506 1-3 ZP26/28 - OVERVIEW OVERVIEW SPECIAL FEATURES HD Monitor Digital DisplayDisplays Digital Signals at 540p or 1080i (User Selects) Tri-lingual Menus ............ English, Spanish, French Other features .. Icon Menus, Source ID, Channel La- bels, Parental Control with V-Chip, On/Of...
Page 10 - REAR CONNECTIONS
PV154 - 923-03506 1-4 ZP26/28 - OVERVIEW OVERVIEW REAR CONNECTIONS FRONT CONNECTIONS S-Video Video L/Mono R menu source - volume + - channel + power select exit VARIABLE AUDIO OUT R L ANTENNA/ CABLE 1 ANTENNA/ CABLE 2 TO CABLE BOX INPUT 1 INPUT 2 S-VIDEO S-VIDEO MONO/L R MONO/L R VIDEO VIDEO AUDIO A...
Page 11 - REMOTE CONTROL; REMOTE BUTTON DESCRIPTIONS; Press and hold the device button until the indicator; NOTE: Use the CABLE device button for satellite receivers.
PV154 - 923-03506 1-5 ZP26/28 - REMOTES REMOTE CONTROL REMOTE BUTTON DESCRIPTIONS PROGRAMMING THE REMOTE If you’re using Zenith products, the remote is alreadyprogrammed for most common codes. For other brands,or if your remote fails to control your Zenith products,you’ll have to program the remote....
Page 12 - TVs; Cable Boxes; REMOTE BRAND CODES
9 2 3 - 0 3 4 6 0 1-6 ZP26/28 - REMOTES REMOTE CONTROL TVs VCRs Daewoo . . . . . . . 149 Zenith . . . . . . . . 101 121 149 152 TV/VCR Combination Codes Adventura TV/VCR . 154 Daewoo TV/VCR . . 148 Funai TV/VCR. . . . 154 Goldstar TV/VCR . . 153 172 Symphonic TV/VCR 154 Zenith TV/VCR . . . 150 152 1...
Page 13 - REMOTE CODES; DVD Players; Satellite Receivers
PV154 - 923-03506 1-7 ZP26/28 - REMOTES REMOTE CONTROL REMOTE CODES DVD Players Audio CD Players Audio Tape Decks Audio Tuners/Amps Alphastar . . . . . . . 516 Chaparral . . . . . . . 501 502 Cheyenne . . . . . . . 502 Dishnet . . . . . . . . 515 Drake . . . . . . . . . 503 General Electric . . . 51...
Page 14 - K E Y N A M E
9 2 3 - 0 3 4 6 0 1-8 ZP26/28 - REMOTES REMOTE CONTROL K E Y N A M E TV Mode VCR Mode Cable Mode DVD Mode HD/STB Mode s o u rc e TV Sources TV Sources TV Sources TV Sources TV Sources light Lights Keys 5 Seconds Lights Keys 5 Sec Lights Keys 5 Sec Lights Keys 5 Sec Lights Keys 5 Sec p owe r TV On/Of...
Page 16 - USER MENUS; SETUP; Press select to set; CHANNEL REVIEW
PV154 - 923-03506 1-10 ZP26/28 - MENUS USER MENUS USER MENUS SETUP TRILINGUAL MENUS Press MENU to access the Setup menu. Use the DOWNarrow to choose Trilingual. Press the RIGHT arrowbutton to activate the Language menu option. Use the UP/DOWN arrow button to choose your languagepreference for the on...
Page 17 - CLOCK SET; HD FOCUS; Press the Select Button on; PICTURE FORMATS; Use the UP/DOWN arrow to choose Picture Formats.; SPECIAL; CHANNEL LABELS; At this point you have three options:
PV154 - 923-03506 1-11 ZP26/28 - MENUS USER MENUS CLOCK SET Use the UP/DOWN arrow to choose Clock Set. Use theRIGHT arrow button to choose first the time optionand use the UP/DOWN arrow buttons to adjust timeoptions. Press the RIGHT arrow button and then usethe UP/DOWN arrow buttons to adjust month/...
Page 18 - SOURCE ID; FAVORITE CHANNELS
PV154 - 923-03506 1-12 ZP26/28 - MENUS USER MENUS Use the UP/DOWN arrows to choose an option. If youchose Ch Labels, press the RIGHT arrow button to accessthe preset channel label list and scroll through thislist using the UP/DOWN arrow buttons. When you findthe appropriate label for the channel, pr...
Page 19 - Favorite Channels are only available on ANT 1 source.; PARENTAL CONTROL
PV154 - 923-03506 1-13 ZP26/28 - MENUS USER MENUS Notes• Favorite Channels are only available on ANT 1 source. • If Parental Control Ratings are locked, it will disablemultiple channel insets (including the FavoriteChannels POP-3 insets). • When POP-3 favorite channel is on, Closed Captionoption wil...
Page 20 - • Channel: Selects the channel you wish to restrict.; SECURITY TIMER; Notes
PV154 - 923-03506 1-14 ZP26/28 - MENUS USER MENUS SETUPPress MENU and then the RIGHT/LEFT arrow buttonto access the Special Menu. Press the UP/DOWN arrowto choose Parental Control and then press the RIGHTarrow button to activate Parental Control. Whenprompted, enter the default code 7777 from thenum...
Page 21 - CAPTIONS; BACKGROUND; VIDEO MENU; PICTURE SETTINGS; Reset: To return setting to original levels.
PV154 - 923-03506 1-15 ZP26/28 - MENUS USER MENUS CAPTIONS Press MENU and the RIGHT/LEFT arrow button to accessthe Special Menu. Use the UP/DOWN arrow to chooseCaptions. Press the RIGHT arrow button to activateCaptions option. Use the LEFT/RIGHT arrow to chooseDisplay Off, On, or Auto option. Quit T...
Page 23 - THEATER MENU; THEATER MODES; SPLIT SCREEN
PV154 - 923-03506 1-17 ZP26/28 - MENUS USER MENUS THEATER MENU Quit To Exit To Menu Bar Menu Theater Modes TV Surround Movies Music Sports Reset THEATER SEL VIDEO SETUP AUDIO SPECIAL THEATER MODES Press MENU and then the RIGHT/LEFT arrow button toaccess the Theater menu. Press DOWN arrow button toac...
Page 25 - SECTION 3; CIRCUIT DESCRIPTIONS; POWER ON AND OFF; · Turn on the Shut Down “Power Shorted” detection; POWER SUPPLY SHUTDOWN; PROTECT 2 to (D938) on Sub Power Supply PWB
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-1 ZP26/28 - SERVICING SECTION 3 CIRCUIT DESCRIPTIONS POWER ON AND OFF The power supply runs all the time when AC is applied.The use of the power supply creating Stand-By Voltagesupplies eliminates the need for a Stand-By transformer.The following explanation ...
Page 26 - NOTE: PROTECT 1 will not go below 2.2V even if the 5V or
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-2 ZP26/28 - SERVICING · Shorted SW +5V (IC02) on Signal PWB through PRO- TECT 1 to (D940) on Sub Power Supply PWB NOTE: PROTECT 1 will not go below 2.2V even if the 5V or the 3.3V lines are open. VOLTAGE TOO HIGH DETECTION · STBY +9V monitored by (D933, D934)...
Page 27 - Pin 4 is monitored for Over Voltage internal to
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-3 ZP26/28 - SERVICING HOT GROUND SIDE SHUT DOWN SENSING CIRCUITS (INTERNAL TO IP01) LATCHED SHUT DOWN MONITORS (AC must be removed to recover) 1. Pin 4 is monitored for Over Voltage internal to IP01. 2. IP01 itself is monitored for Excessive Heat. This block ...
Page 28 - NEGATIVE VOLTAGE LOSS DETECTION; RP26 and RP27 form a voltage divider. The top side; SHUT OFF DURING STAND-BY; PROTECT 1 monitors
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-4 ZP26/28 - SERVICING sistor turns Off, generating a High on its collec-tor. This output High is routed through D705 topin (1) of Connector PQD2 called PROTECT and ShutDown occurs as described above. NEGATIVE VOLTAGE LOSS DETECTION Please use the Commonly Use...
Page 29 - SUB POWER SUPPLY VISUAL LED; LED USAGE; DEFLECTION HORIZONTAL DRIVE ACTIVATION
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-5 ZP26/28 - SERVICING NOTE: If the 5.5V or the 3.3V regulators OPEN, the setwill not go into shut down, they must have a short toproduce a shut down input on PROTECT 1. The set will shut down after the Screen go excessivelybright, but this is from the 115V ov...
Page 30 - This chassis utilizes 4 Green
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-6 ZP26/28 - SERVICING B+ GENERATION FOR SUB POWER SUPPLY DRIVER Vcc for the Driver IC is first generated by the AC input.This voltage is called Start Up Voltage. I901 requires16V DC to operate normally. It will begin operation at6.8V DC on pin (4) of I901. Wh...
Page 31 - Cut off collapses the Vertical circuit during I
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-7 ZP26/28 - SERVICING CP05 and takes over as Run Voltage (16.3V) at pin 4of IP01. REGULATION Figure 2 is a simplified diagram of the main PowerSupply used in some Projection Television chassis. The primary control element of the power supply isIP01 (the Switc...
Page 32 - 0,000 volts DC supplied to the CRTs anodes.; TO DEFLECTION YOKES; This is the Dynamic Focus output voltage.; NOTE; : When a 1080i signal is input through component
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-8 ZP26/28 - SERVICING 30Kv HV 30,000 volts DC supplied to the CRTs anodes. TO DEFLECTION YOKES Horizontal and Vertical deflection wave forms drivingthe deflection yokes. MAGIC SWITCH Output from the DAC1 (I006 pin 7) when the customerselects HD FOCUS from the...
Page 33 - SPOT CIRCUIT; INFRARED REMOTE RECEIVER
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-9 ZP26/28 - SERVICING A sample of the High Voltage is output from the Flybacktransformer TH01 pin (12). This voltage is sent to pin(9) of the High Voltage Driver IC IH01. This voltage iscompared to the reference voltage available at pin (12).If there is a dif...
Page 34 - HD FOCUS SENSORS AND INTERFACE
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-10 ZP26/28 - SERVICING • HD FOCUS SENSORS AND INTERFACE • MICROPROCESSOR • RAINFOREST IC (Video Processor). • SERVICE ONLY SWITCH • MAGIC FOCUS (HD Focus) activation control. THE DIGITAL CONVERGENCE UNIT (DCU) The DCU is the heart of the Digital convergence c...
Page 35 - ON SCREEN DISPLAY PATH:; ABL VOLTAGE OPERATION
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-11 ZP26/28 - SERVICING the BUSY line. As long as the BUSY line is active, theMain Microprocessor ignores the IR signal. ON SCREEN DISPLAY PATH: MICROPROCESSOR SOURCE FOR OSD: The On Screen Display signal path is shown with thenormal OSD information such as Ch...
Page 36 - ACCL TRANSISTOR OPERATION
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-12 ZP26/28 - SERVICING The ABL voltage is determined by the current drawt h r o u g h t he F l y b a c k t r a ns f o r me r. A s t he p i c t u rebrightness becomes brighter or increases, the demandfor replacement of the High Voltage being consumed isgreater...
Page 37 - FLEX CONVERTER UC01
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-13 ZP26/28 - SERVICING in the EEPROM, such as the window for Closed Captiondetection.Data and Clock lines are SDA1 from pin (2) of theMicroprocessor to pin (5) of the EEPROM and SCL2from pin (3) of the Microprocessor to pin (6) of theEEPROM. Data travels in b...
Page 38 - C bus data and clock. The communications ports; SUB VIDEO CHROMA IX03; C bus to this
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-14 ZP26/28 - SERVICING and a little more dark just before it arrives. This givesthe impression that the signal pops out of the screenor a 3D effect. The Microprocessor communicates with the 3D Y/C ICvia I 2 C bus data and clock. The communications ports from ...
Page 39 - The Microprocessor uses a combination of I; SRS AUDIO +29V REGULATOR INDICATED BY D912.
CIRCUIT DESCRIPTIONS PV154 - 923-03506 3-15 ZP26/28 - SERVICING The Microprocessor uses a combination of I 2 C Bus com- munication and the Serial Data, Clock and Load linesfor control. The I 2 C communication scheme only requires 2 lines for control. These lines are called SDA and SCL.Serial Data an...
Page 40 - SERVICE ADJUSTMENTS; ZP-25 CHASSIS ADJUSTMENT ORDER
SERVICE ADJUSTMENTS PV154 - 923-03506 3-16 ZP26/28 - SERVICING SERVICE ADJUSTMENTS ZP-25 CHASSIS ADJUSTMENT ORDER Always follow the sequence below. Order Adjustment Item Screen Format Signal DCU Data Pre HEAT (30 Minutes) Normal Mode NTSC N/A 1 Cut Off Normal Mode NTSC N/A 2 Pre Focus Lens and Stati...
Page 41 - CHASSIS PRE-HEAT RUN ADJUSTMENTS
SERVICE ADJUSTMENTS PV154 - 923-03506 3-17 ZP26/28 - SERVICING CHASSIS PRE-HEAT RUN ADJUSTMENTS PRESET EACH ADJUSTMENT VR TO THE CONDITIONSHOWN: BEFORE PRE HEAT RUN. 1. Red and Green Drive VR on the CRT PWB. This is part of the I 2 C Service Menu. Set each to 3F. T o Enter Service Menu, press the SO...
Page 42 - C Bus alignment menu, with Power; CHASSIS TILT (RASTER INCLINATION) ADJUSTMENT
SERVICE ADJUSTMENTS PV154 - 923-03506 3-18 ZP26/28 - SERVICING 6. Select Item H POSI and adjust the data so that the center of Video matches the location of theDigital Crosshatch pattern noted in step {4}. 7. Exit from the I 2 C Menu. 1080I HD MODE ADJUSTMENT: 1. Receive any 1080i (2.14H) signal and...
Page 43 - VERTICAL SIZE ADJUSTMENT; NOTE: Centering magnet may be moved to facilitate.; HORIZONTAL SIZE ADJUSTMENT; NOTE: After entering DCAM, with each press of the Service; BEAM FORM ADJUSTMENT; IMPORTANT: Screen format should be “NORMAL”.
SERVICE ADJUSTMENTS PV154 - 923-03506 3-19 ZP26/28 - SERVICING Left of Center and Blue is offset Right of center. Pleaseuse the following information to accurately offset Redand Blue from center. Also see Overlay Dimensions forfurther details. PREPARATION FOR ADJUSTMENT: · Video Control should be se...
Page 44 - LENS FOCUS ADJUSTMENT
SERVICE ADJUSTMENTS PV154 - 923-03506 3-20 ZP26/28 - SERVICING low.) 8. Also adjust the Red and Blue CRT beam shapes ac- cording to the steps (1) to (3). 9. After the adjustment is completed, return R, G and B static VRs to the Best Focus point. LENS FOCUS ADJUSTMENT PREPARATION FOR ADJUSTMENT · Rec...
Page 45 - CHASSIS HORIZONTAL PHASE (FINE) ADJUSTMENT; CHASSIS INTELLISENSE “PATTERN SET UP”; NOTE: This instruction should be applied when a new DCU
SERVICE ADJUSTMENTS PV154 - 923-03506 3-21 ZP26/28 - SERVICING OK, repeat steps 5 through 12. 12. Press the MENU key on the remote to Exit Service Menu. Remember: When adjusting the Screen con-trols, after the Cut Off adjustment has been com-pleted, never adjust the controls clockwise. Al-ways adjus...
Page 46 - DIGITAL CONVERGENCE ALIGNMENT; DISPLAY selects GREEN Adj.; SUB PICTURE AMPLITUDE; ZP25 Factory Reset Condition
SERVICE ADJUSTMENTS PV154 - 923-03506 3-22 ZP26/28 - SERVICING NORMAL MODE: 0 1 2 3 4 5 6 7 RH X 02 X FE X 02 X 04 RV X 00 X 00 X 02 X 00GH X 00 X FE X 00 X 04 GV X 00 X 00 X 02 X 00 BH X 00 X FE X 00 X 04 BV X 00 X 00 X 02 X 00 DIGITAL CONVERGENCE ALIGNMENT There is no way to Calculate using a butt...
Page 47 - SECTION 4; MODEL PARTS
PV154 - 923-03506 3-1 ZP26/28 - PARTS MODEL PARTS SECTION 4 MODEL PARTS All HD-S models are module level repair only. Partscontact information is below. Voice: 1-888-3-ZENITHFax: 1-888-6-ZENITH Mail: ZENITH NATIONAL PARTSP O Box 240007 Huntsville, AL 35824-6407 R50V26 LOC PART # DESCRIPTION 1 NSP MI...
Page 51 - ZP26 Exploded View; SECTION 5
PV154 - 923-03506 5-1 ZP26/28 - EXPLODED VIEWS ZP26 Exploded View SECTION 5 LOC A-R60V 26 B-R50B26 PART # DESCRIPTION 1 A B NSP MIRROR MOUNT RIGHT 2 A B NSP MIRROR MOUNT LEFT 3 A B NSP MIRROR MOUNT UPPER 4 A 992-10036 MIRROR 4 B 992-10038 MIRROR 5 A B NSP CA BINET UPPER REA R 6 A 874-10052 SCREEN A ...
Page 52 - ZP28 Exploded View
PV154 - 923-03506 5-2 ZP26/28 - EXPLODED VIEWS ZP28 Exploded View LOC A-R56W28 B-R65W28 PART # DESCRIPTION 1 A B NSP MIRROR MOUNT RIGHT 2 A B NSP MIRROR MOUNT LEFT 3 A B NSP MIRROR MOUNT UPPER 4 B 99 2-1 00 46 MIRROR GLASS 4 A 992-10047 MIRROR GLASS 5 A B NSP BA CK UPPER WOOD 6 B 87 4-1 00 51 SCREEN...
Page 53 - 0” Wiring Diagram - Back
PV154 - 923-03506 5-3 ZP26/28 - EXPLODED VIEWS 50” Wiring Diagram - Back PAQ1,PL PQS1 PQS2 PAQ1,PL PQS1 PQS2 MR PAQ toVMP.W.B. N003 Hold Anode(B) make double loops (LEAD CLAMP PARTS No. IS 3875441.) MARK SHOULD BE APPLY A LEAD CLAMP(N011) MARK SHOULD BE APPLY A LEAD CLAMP(N008)(LEAD CLAMP PARTS No. ...
Page 54 - 0” Wiring Diagram - Back
PV154 - 923-03506 5-4 ZP26/28 - EXPLODED VIEWS 60” Wiring Diagram - Back to Speaker(PL) PL PL PFT FOCUS MG PCR MR PCR,MR make a loop PCB,PCG MB,MR E007 LX-ZCAT3035-1330 LEAD CLAMPER N008 N008 LEAD CLAMPER N007 PURSE LOCK 016 FOCUS(R)SCREEN(R) PCR,MR PAQ1,PL,PQD2 PQS1,PDC1 PQS2,PQD1 to Speaker(PR) PQ...
Page 56 - 6” Wiring Diagram - Back
PV154 - 923-03506 5-6 ZP26/28 - EXPLODED VIEWS 56” Wiring Diagram - Back PS NOTE: Refer to the figure (04/page) when the HV connector (anode lead) is removed or inserted. NOTE: Anode lead should be separated from others wires. (min. 10mm) Anode lead must not be twisted during the operation of wiring...
Page 57 - 5” Wiring Diagram - Back
PV154 - 923-03506 5-7 ZP26/28 - EXPLODED VIEWS 65” Wiring Diagram - Back PFT to CONTROLP.W.B. PFS, PFS Note: for J#02~, for J#01 ferriteposition is on the upper clamp to Speaker(PL) PL PL PFT FOCUS MG PCR,PCG,PCB MR,MG,MB,PL PCR,MR make a loop PCB,PCG MB,MR E007 LX-ZCAT3035-1330 LEAD CLAMPER N008 N0...
Page 59 - Convergence Circuit 1/2; SECTION 6
C D E F G 1 2 3 4 5 6 7 8 6-1 ZP26/28 SHEET 1 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Convergence Circuit 1/2 SECTION 6
Page 60 - Convergence Circuit 2/2
C D E F G 1 2 3 4 5 6 7 8 6-2 ZP26/28 SHEET 2 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Convergence Circuit 2/2
Page 61 - Magic Focus Circuit
C D E F G 1 2 3 4 5 6 7 8 6-3 ZP26/28 SHEET 3 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Magic Focus Circuit
Page 62 - Deflection Power Supply Circuit
C D E F G 1 2 3 4 5 6 7 8 6-4 ZP26/28 SHEET 4 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Deflection Power Supply Circuit
Page 63 - Deflection Circuit
C D E F G 1 2 3 4 5 6 7 8 6-5 ZP26/28 SHEET 5 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Deflection Circuit
Page 64 - Power Supply Circuit
C D E F G 1 2 3 4 5 6 7 8 6-6 ZP26/28 SHEET 6 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Power Supply Circuit
Page 69 - SRS Circuit
C D E F G 1 2 3 4 5 6 7 8 6-11 ZP26/28 SHEET 11 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. SRS Circuit
Page 70 - Velocity Modulator Circuit
C D E F G 1 2 3 4 5 6 7 8 6-12 ZP26/28 SHEET 12 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS. CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED. Velocity Modulator Circuit
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