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Sharp 50NP4 Service Manual

Projection color television
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SERVICE MANUAL

SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
TECHNICAL CAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CIRCUIT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . .19
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
ADJUSTMENT POINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
WIRING DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
CIRCUIT SCHEMATICS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
In the interest of user-safety (required by safety regulations in some countries), the set should be
restored to its original conditiion and only parts identical to those specified should be used.
CAUTION:
Before servicing this chassis, it is important that the service technician read the ÒSafety PrecautionÓ
and ÒProduct Safety NoticesÓ in this service manual.
Components having special safety characteristics are identified by a
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
read and follow the ÒSafety PrecautionsÓ and ÒProduct Safety NoticesÓ in this Service Manual.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE
APRIL 2000
SHARP CORPORATION
CONTENTS
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Models:
50NP4/60NP4
PROJECTION COLOR
TELEVISION
S/M: S01TM50/60//E
on the schematics and on the parts list in this
!
This document has bben published to be used for after
sales service only.
The contents are subject to change without notice.

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  • Page 1: Table Of Contents

    Models: 50NP4/60NP4 PROJECTION COLOR TELEVISION SERVICE MANUAL S/M: S01TM50/60//E CONTENTS SAFETY PRECAUTIONS ..........3 SERVICING PRECAUTIONS .
  • Page 2 IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are throughly familiar with all safety checks and the servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE LIMITS 1. For continued safety, no modification of any circuit should be 1.

  • Page 3: Important Service Safety Precaution

    IMPORTANT SERVICE SAFETY PRECAUTION (Continued) BEFORE RETURNING THE RECEIVER ¥ Connect the resistor connection to all exposed metal (Fire & Shock Hazard) parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, Before returning the receiver to the user, perform the escutcheon and etc.) and measure the AC voltage drop following safety checks.
  • Page 4 For continued X-radiation protection, the replacement making test measurements. tube must be the same type as the original, Sharp 2. To prevent X-radiation, after replacement of approved type. picture tube and lens, confirm these components...
  • Page 5 4. Picture Tube Implosion Protection Warning Ð The safety characteristics as the recommended replace- picture tube in this receiver employs integral ment part in Sharp service data parts list might create implosion protection. For continued implosion shock, fire, and/or other hazards. Product safety is...

  • Page 6: Safety Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this 7. Do not apply AC power to this instrument and/or any of its service data and its supplements and addenda, read and electrical assemblies unless all solid-state device heat- follow the SAFETY PRECAUTIONS on page 3 of this sinks are correctly installed.
  • Page 7 IC Removal/Replacement 4. Securely crimp each connection and solder it. Some Sharp unitized chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and 5. Inspect (on the circuit board copper side) the solder joints then bent flat against the circuit foil.
  • Page 8 High component/copper pattern density and/or special voltage/current characteristics make the spacing and 1. Remove the defective copper pattern with a sharp knife. integrity of copper pattern in some circuit board areas more Remove at least 1/4 inch of copper, to ensure hazardous critical than in others.
  • Page 9 NOTE: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. Leadless Chip Components How to Replace Flat-lC (surface mount)

  • Page 10: Technical Cautions

    TECHNICAL CAUTIONS High Voltage limiter circuit operation check. 4. When the limiter circuit is operating properly, High 1. Turn off TV and connect jig as shown in Figure 2. Adjust Voltage will be less than 31.5 kV at 1.5mA when TV shuts jig fully counter-clockwise for minimum resistance.

  • Page 11: Specifications

    SPECIFICATIONS Model: 50NP4 60NP4 Audio Output Power: Cathode-Ray Tube: Front: 12 watts per channel at 10% distortion, R=P16LFM00RFA(LU) 8 ohm Impedance. Max output Ð 15 watts. G=P16LFM00HHA(LU) B=P16LFM00BMB(EU) Anode Voltage: 30.0 ± 1.5kv (1.27±0.2mA) Power Input: 120 volts AC, 60 Hz...

  • Page 12: Cautions When Connecting/Disconnecting The Hv Connector

    CAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTOR Perform the following when the HV connector (anode connector) is removed or inserted for CPT replacement, etc. Anode connector Deflection P.W.B. During Removal Roll out silicon cover from FBT’s contact area slowly. While turning the connector about 90 degrees following the arrow (0 position), push the connector PUSH...

  • Page 13: Front Panel Controls

    Press this button to turn the TV on or off. NOTES: 1. Your SHARP Projection TV will appear to be turned OFF if there is no video input when VIDEO: 1, 2 or 3 is selected. Check the Power Light to make sure the TV is turned off when not in use.
  • Page 14 FRONT PANEL CONTROLS POWER light You will see a red light when the TV is turned on. AI (Artificial Intelligence) sensor The Artificial Intelligence sensor will make automatic picture adjustments depending on the amount of light in the room to give the best picture.

  • Page 15: Rear Panel Jacks

    REAR PANEL JACKS ANT A CONVERTER S-VIDEO S-VIDEO S-VIDEO ANT B VIDEO VIDEO VIDEO (MONO) (MONO) AUDIO AUDIO AUDIO AUDIO MONITOR INPUT 2 INPUT 1 TO HI-FI Antenna Input/Output The remote control allows you to switch between two separate 75-Ohm RF antenna inputs, ANT A and ANT B. ANT A input can be displayed as a main picture or sub-picture.
  • Page 16 REAR PANEL JACKS Component: Y-P Inputs Inputs 1 and 2 provide Y-P jacks for connecting equipment with this capability, such as a DVD player or Set Top Box. NOTES: DO NOT connect standard VIDEO or S-VIDEO to Input 1 or 2 when using Y-P B P R input. 2.
  • Page 17 USING THE REMOTE TO CONTROL VCR FUNCTIONS Operating the precoded function for your VCR. This remote is designed to operate different types of VCRs. You must first program the remote to match the remote system of your VCR. (refer to page 18 for pre-codes) Turn ON your VCR.
  • Page 18 Sears ....06, 11, 24 Sharp....01, 02, 03 Shintom ....36 Sony .
  • Page 19 CONVERGENCE ADJ. Your SHARP Projection TV has three color projection tubes: one for red, one for green, one for blue. When mixed together in the proper proportion, the output of these three color tubes can produce any color. To produce these colors, however, the beams must be precisely aligned over each other so that the colors can be mixed.
  • Page 20 If PICTURE is selected, you are adjusting the PICTURE. The additional menu items BRIGHT, COLOR, TINT, and SHARP can be selected and adjusted in the same manner. Use this function to change the contrast between black and white levels in the picture. This adjustment will PICTURE only affect the picture when OTHER SETTINGS-O.P.C.
  • Page 21 VIDEO VIDEO Your SHARP Projection TV has an O.P.C. (Optional Picture Control) function which will automatically adjust OTHER picture settings to produce the highest quality picture possible. SETTINGS When O.P.C. is highlighted, press SELECT to turn the O.P.C. on or off.
  • Page 22 AUDIO AUDIO Select AUDIO to adjust the TV to your preference and to improve the sound quality. AUDIO CURSOR SET UP CUSTOMIZE VIDEO AUDIO THEATER SET UP CUSTOMIZE VIDEO AUDIO THEATER CURSOR 1. B A S S 1. BAS S 2.
  • Page 23 AUDIO AUDIO OTHER Use OTHER SETTINGS to improve the sound performance of your TV, depending on listening conditions. SETTINGS SET UP CUSTOMIZE VIDEO AUDIO THEATER CURSOR 1 . BAS S CURSOR 2 . TRE BLE 3 . BALA NC E 4 .
  • Page 24 NTSC (480i) signal generator. Sharp recognizes that few companies offer HDTV or SDTV signal generators and that the cost of these generators is sometimes prohibited. For this reason, we suggest the use of a set-top-box for HDTV and SDTV adjustments.

  • Page 25: I 2 C Adjustment

    1. I C ADJUSTMENT 1.1 Memory Initialization Adjustment Procedure (1) Press and hold the INPUT key on Control Panel and then Power ON to access I C adjustment mode. (2) Receive signal on main picture. (NTSC, SDTV or HDTV). Some menu pages have I C adjustments for SDTV and HDTV.
  • Page 26 Audio Selected Main Picture Source Audio CHANNEL ID ANT A 10 Broadcast STEREO ABCD ST/SA Time 10:00PM PIP ANT A 12 Sub-Picture Source SURF/ SURF/B BACK SLEEP SLEEP 0:15 TIMER...
  • Page 27 HDTV: 1080i 16x9 (33.75kHz) 1080i 4x3 (33.75kHz) Insertion panel to top and bottom. 16x9 16x9 1080 1080i 1080i Lines Lines 33.75kHz 33.75kHz HDTV: 1080i 16x9 (33.75kHz) 1080i 4x3 (33.75kHz) 16x9 1080 1080i 1080i Lines 33.75kHz 33.75kHz HDTV: 720P 16x9 (45kHz) 480P 4x3 (31.5kHz) Insertion panel to top and bottom.
  • Page 28 C Parameter List (1) Adjust Mode OSD Press [POWER] + [INPUT] keys of front control panel. *: ADJUSTABLE ITEM EXIT I2C ADJUST MODE POWER on/off. Select SUB BRIGHT POWER+INPUT CURSOR,MENU and Press ADJUST MODE SUB BRT 80 SUB BRT SERVICE Press DEF RESET V/P RESET...
  • Page 29 MENU FLEX CONT 480i FLEX CONT 480P FLEX CONT NTSC 39 HHPF1 39 HHPF1 39 HHPF1 41 V-CRG 41 V-CRG 41 V-CRG 42 H-CRG 42 H-CRG 42 H-CRG 43 V-ENH 43 V-ENH 43 V-ENH 44 H-ENH 44 H-ENH 44 H-ENH 96 YVHENH 0B 96 YVHENH 0B 96 YVHENH 0B...
  • Page 30 MENU FLEX CONT 480i FLEX CONT 480P FLEX CONT NTSC 97 YV-NLP 97 YV-NLP 97 YV-NLP 98 YH-NLP 98 YH-NLP 98 YH-NLP Y-LMT Y-LMT Y-LMT 83 YH-FRQ 83 YH-FRQ 83 YH-FRQ 91 CH-FRQ 91 CH-FRQ 91 CH-FRQ 70 YV-LTI 70 YV-LTI 70 YV-LTI 78 CV-CTI 78 CV-CTI...
  • Page 31 MENU FLEX CONT 480i FLEX CONT 480P FLEX CONT NTSC 65 YNRRDC 65 YNRRDC 65 YNRRDC 74 CNRRDC 74 CNRRDC 74 CNRRDC 67 YNR-DC 67 YNR-DC 67 YNR-DC 76 CNR-DC 76 CNR-DC 76 CNR-DC 81 YNR-0 81 YNR-0 81 YNR-0 89 CNR-0 89 CNR-0 89 CNR-0...
  • Page 32 MENU FLEX CONT NTSC FLEX CONT 480i FLEX CONT 480P 23 V-POS 23 V-POS 23 V-POS 24 V-SIZ 24 V-SIZ 24 V-SIZ 50 HD-POS 50 HD-POS 50 HD-POS 48 VBLK-T 48 VBLK-T 48 VBLK-T 49 VBLK-B 49 VBLK-B 49 VBLK-B 51 HBLK-R 51 HBLK-R 51 HBLK-R...
  • Page 33 FLEX CONT 120 TV/CINE 121 T/C DET 122 T/C UNL 123 T/C LCK 126 T/C ARE 127 T/C CBR 128 T/C YBR TA1298 480i TA1298 480P TA1298 NTSC SHARP SHARP SHARP APACON APACON APACON SDTV HDTV NTSC Mode Mode Mode...
  • Page 34 MENU TA1298 NTSC TA1298 SDTV TA1298 HDTV COLOR COLOR COLOR TINT TINT TINT R-Y PH R-Y PH R-Y PH Center R/B GA Adjust R/B GA R/B GA G-Y PH G-Y PH G-Y PH G/B GA G/B GA G/B GA COLOR SYSTEM 01 COLOR SYSTEM 01 COLOR SYSTEM 00 NTSC...

  • Page 35: Comb Filter Operation Check

    1.3.2 CONSTANT VOLUME OPERATION CHECK 1.2 Comb filter operation check Preparation for adjustment Adjustment preparation CONSTANT VOLUME mode should be ON. (1) Receive the color bar signal at the regular tuning point. (2) Set the CONTRAST control to MAX and the Procedure (1) Input 100mVrms, 200mVrms, 300mVrms and other controls to center.

  • Page 36: High Voltage Adjustment

    Adjustment procedure Important: High Voltage adjustment should (1) Press and hold INPUT key on the control panel NOT be adjusted in field. This is and then POWER ON to access I C adjustment adjusted at factory using precise mode. loads should (2) Choose “SERVICE”...

  • Page 37: Horizontal Position Adjustment (Coarse)

    2.3 HOR. POSITION ADJUSTMENT (Coarse) (4) Turn the deflection yoke of R or B and set so that the inclination of R or B light with respect to the green light is as shown below on the top and bottom sides. Adjustment preparation (1) DCU PHASE DATA SETTING should be (5) After raster inclination adjustment, fixing screw of DY...

  • Page 38: Raster Position

    V. SIZE SPECIFICATION 2.6 Raster position adjustment PROGRESSIVE Adjustment preparation MODE (1) The set can face east or west. 50NP4 (2) Receive the DCU cross-hatch signal. (3) Set video conditions to factory preset. 60NP4 (4) Static Focus adjustment should be finished. Tolerance:...

  • Page 39: Beam Form

    2.10 LENS FOCUS ADJUSTMENT Adjustment preparation (1) The orientation of PTV set is arbitrary, west, east, north and south. (2) Centering DY inclination should have been adjusted. (3) Electrical focus adjustment should have been completed. (4) Drive VR location dajustment should have been Notes: (1) Progressive mode should be adjusted completed.
  • Page 40 (4) In case of G lens. Set to the point where the (5) In case of R lens. Set the position where the chromatic aberration switches from blue to red. chromatic aberration changes from red to If the chromatic aberration appearing all over crimson.
  • Page 41 Adjustment Procedure (7) After all colors have been adjusted, display all colors with the cross-hatch pattern signal and compare the focus (optical focus) performance with the llimit sample set. (8) Then, select the circle pattern signal and compare the focus (optical focus) performaces of each color and all colors together with the limit sample set.

  • Page 42: Digital Convergence (Progressive And Hd Mode)

    50 DIGITAL COVERGENCE CROSSHATCH HD mode Progressive Mode H.SIZE: 995 H.SIZE: 995 83.8 83.8 5.8 83.8 83.8 5.8 48.6 108.5 108.5 48.6 1017 1017 UNIT: mm UNIT: mm V.SIZE: 650 60 DIGITAL COVERGENCE CROSSHATCH HD mode Progressive Mode H.SIZE: 1190 H.SIZE: 1190 100.4 100.4 7.3...

  • Page 43: Raster Position

    Note: If only minor adjustments to convergence are Adjustment Point needed, the jig screen is not necessary. Use digital data stored in memory and one color as a reference (red, green, or blue). DO NOT CLEAR DATA and WRITE to ROM memory. 2.12.1 Raster position adjustment Adjustment preparation (1) Position adjustment - This will move an entire...

  • Page 44: Convergence Point

    NOTES: 2.12.3 Digital Convergence Remote Control (SP0X) (1) EXIT button- Crosshatch/Video mode Press ÒEXITÓ 5 times to display external signal. Press ÒEXITÓ 5 times again to return to DCU internal cross-hatch signal. (2) MENU button- Remove color mode Press MENU to switch between all colors displayed or adjustment color and green only.

  • Page 45: Blue Defocus

    2.13 Blue defocus adjustment (5) For low light white balance adjustment, input a white raster signal level of 0.286 Vp-p (Video Adjustment Preparation input level). (1) Optical and electrical focus adjustment should (6) For high light white balance adjustment, input a have been completed.

  • Page 46: Horizontal Position (Progressive And Hd Mode)

    Adjustment procedure (1) Go to “Sub Brightness” adjustment in I ADJUST mode (press Input and Power button on Control panel at same time), using keys and then key. (2) Then adjust “Sub Brightness” using keys to increase or decrease the value, according to figure.

  • Page 47: Adjustment Point

    3. ADJUSTMENT POINT 3.1 CRT, cabinet locations 1. CENTERING MAGNET FOR RED PRT 2. CENTERING MAGNET FOR GREEN PRT 3. CENTERING MAGNET FOR BLUE PRT 4. 4-POLE MAGNET FOR BEAM FORM ADJUSTMENT 5. BEAM ALIGNMENT MAGNET 6. DIGITAL CONVERGENCE MODULE (On Power/Deflection Board) 7.

  • Page 48: Main Chassis (Signal P.w.b.)

    3.2 MAIN CHASSIS (Signal P.W.B.) SURROUND P.W.B. I001 VIDEO PWB 1st tuner FLEX CONTROL 2nd tuner (PIP) 3DY/C U202 U201 U205 U204 TERMINAL P.W.B. Rear view...

  • Page 49: Main Chassis (Power/Deflection P.w.b.)

    3.3 MAIN CHASSIS (Power/Deflection P.W.B.) DIGITAL CONVERGENCE UNIT...

  • Page 50: Power Supply P.w.b

    3.4 POWER SUPPLY P.W.B. PQD1 PQD2 PQS1 PQU1 PQS2 PQU2 D913 AUDIO (RE)(C):SW+29V (GREEN) D912 AUDIO (F):SW+29V (GREEN) D927 SBY+7V (GREEN) D931 SW+5V (GREEN) D903 IC POWER MONITOR (RED) D949 SBY+11V (GREEN)

  • Page 51: Remote Control

    3.5 CPT (R) (G) (B), Focus Pack, Control P.W.B. P841 P851 P801 R879 R829 R829 E801 E831 E861 P802 P852 (Cathode) (Cathode) BLUE GREEN FOCUS PACK (UFPK) Screen Adj. VR Focus Adj. VR CONTROL P.W.B. EFC1 DIMMER CONTROL LIGHT RECEIVER REMOTE CONTROL POWER LIGHT RECEIVER...

  • Page 52: Troubleshooting

    TROUBLE SHOOTING 1. No raster and no power (How to check Diagnosis LED) Check Is Power Indicator DIAGNOSIS No raster Red LED "ON"? Red LED DM03 (CONTROL) (POWER) Is click sound of relay heard? Check Is Red LED "BLINK"? DIAGNOSIS Is Red LED "BLINK"? PROTECTION Red LED...
  • Page 53 (Signal PWB) Check Q029, D035 Voltage at pin (51) and L004 and (33) of I001 3.3V? Check Q008, Q009 Voltage at pin (23) of Voltage at pin (53) of I904, D909 I001 "AC CLOCK in" ? I001 "L" ? Check Q003, Q004, Check I001 D922, S901 (Deflection PWB)
  • Page 54 (Deflection PWB) Check Does raster Is base voltage of I702 pin(15)-H out, appear with G and K of Q751 normal ? pin(8)-DEF HVcc QP01 shorted ? QP04, DP35, DP36 Are voltages Check QP01 Check T751, of both ends of T751 R754, R755 (primary side) normal ?
  • Page 58 2. INCORRECT COLOR Incorrect color No color I/Q signal input at Color condition pins(51)(52) of IX01 IX01 Defective white balance Normal waveform at pin (18) (20) of PFC2(U205) QX22~QX27,QX52~QX55,IX02 Abnormal waveform at pin Normal voltages at pin (4)(5) of PFC1(U205) (41)(42) and (43) of normal I205 normal?
  • Page 59 Red does not appear Green does not appear Blue does not appear Q8A1, Q8A2, Q8A3, Q8A4 Q801, Q802, Q803, Q804 Q851, Q852, Q853, Q854 PRT ( B ) PRT ( R ) PRT ( G ) Normal waveform at pin (6) of I201 normal? Abnormal...
  • Page 60 3. SNOW NOISE ANT A Reception impossible with snow noise Is there output of PLL control pulse (Clock, Data, Enable) of U201? Is there voltag e app lied to pins Vcc (9V ), BP( 5V), and VT(33 V) of U20 1? I201, I014 U201 I009,I010,...

  • Page 61: Waveforms

    WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. I001 Pin 1 I001 Pin 2 I001 Pin 23 I001 Pin 24 I001 Pin 38 I001 Pin 49 I001 Pin 55 I001 Pin 62 I001 Pin 63 I403 Pin 6 I403 Pin 8 I403 Pin 40...
  • Page 62 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. PSD2 Pin 1 PSD2 Pin 2 PSD3 Pin 4 PSD3 Pin 6 PSD3 Pin 8 PSD3 Pin 10 PST1 Pin 1 PST1 Pin 2 PST1 Pin 5 PST1 Pin 6 PSU1 Pin 1 PSU1 Pin 2...
  • Page 63 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. PSU1 Pin 3 PSU1 Pin 4 PSZ2 Pin 1 PSZ2 Pin 2 PSZ2 Pin 12 PSZ2 Pin 13 Q851 E Q852 E QE04 E QE07 E QE24 C R863 - R864...

  • Page 64: Printed Circuit Boards

    PRINTED CIRCUIT BOARD 2H Video/Terminal P.W.B.
  • Page 65 PRINTED CIRCUIT BOARD DEFLECTION P.W.B.
  • Page 66 PRINTED CIRCUIT BOARD SIGNAL P.W.B.
  • Page 67 PRINTED CIRCUIT BOARD VM SENSOR 2...
  • Page 68 PRINTED CIRCUIT BOARD POWER SUPPLY P.W.B.
  • Page 69 PRINTED CIRCUIT BOARD SRS P.W.B.
  • Page 70 WIRING DRESS DRAWING...
  • Page 71 50NP4 WIRING DRAWING...
  • Page 72 60NP4 WIRING DRAWING...
  • Page 73 50NP4 WIRING DRAWING...
  • Page 74 60NP4 WIRING DRAWING...
  • Page 75 BLOCK DIAGRAM...

  • Page 76: Wiring Drawing

    WIRING DRAWING...
  • Page 77 POWER PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to BASIC CIRCUIT DIAGRAM POWER DEFLECTION safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 78 POWER BASIC CIRCUIT DIAGRAM POWER DEFLECTION PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 79 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to DEFLECTION BASIC CIRCUIT DIAGRAM safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service CONVERGENCE Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 80 DEFLECTION BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to CONVERGENCE safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 81 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SIGNAL 1 OF 3 BASIC CIRCUIT DIAGRAM safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service SIGNAL 2 OF 3 Manual.
  • Page 82 SIGNAL 1 OF 3 BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SIGNAL 2 OF 3 safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual.
  • Page 83 SIGNAL 3 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to BASIC CIRCUIT DIAGRAM TERMINAL safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage IC01...
  • Page 84 SIGNAL 3 OF 3 BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to TERMINAL safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 85 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to 2H-VIDEO BASIC CIRCUIT DIAGRAM safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 86 2H-VIDEO BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Circuit...
  • Page 87 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to BASIC CIRCUIT DIAGRAM safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage Q801...
  • Page 88 BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage QE01...
  • Page 89 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to CONTROL PANEL BASIC CIRCUIT DIAGRAM safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. DonÕt degrade the safety of the receiver through improper servicing. Circuit Voltage 0.12...

  • Page 91: Exploded View

    EXPLODED VIEW FRONT VIEW NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on page 88.

  • Page 92: Exploded View Parts List

    To have your order filled promptly and correctly, please furnish the following information. 1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION In USA: Contact your nearest SHARP Parts Distributor to order. For location of SHARP Parts DIstributor, Please call Toll-Free; 1-800-BE-SHARP. REFERENCE PART DELIVERY...
  • Page 93 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE CAPACITORS C056 9GH 0800326R CAP.-ELECTRO. 100UF-M 16V C001 9GH 0800326R CAP.-ELECTRO. 100UF-M 16V C057 9GH 0800291R CAP.-ELECTRO. 10UF-M(SMG) 16V C002 9GH 0893027R CAP 2125 CHIP 100000PF-K B 25V TAPE C058 9GH 0800317R CAP.-ELECTRO.
  • Page 94 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE C227 9GH 0893044R CAP2125CHIP 10000PFKB 50V TAPE C408 9GH 0893027R CAP 2125 CHIP 100000PF-K B 25V TAPE C228 9GH 0228048R CAP 2125 CHIP 56PF-J CH 50V TAPE C409 9GH 0893044R CAP2125CHIP 10000PFKB 50V TAPE...
  • Page 95 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE C490 9GH 0893027R CAP 2125 CHIP 100000PF-K B 25V TAPE C766 9GH 0244505R CAP-CERAMIC 0.0022UF-K 500V C493 9GH 0893027R CAP 2125 CHIP 100000PF-K B 25V TAPE C767 9GH 0284677R CAP.-ELECTORO.
  • Page 96 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE C923 9GH 0243511R CAP.-CERAMIC 680PF-K 500V TAPE CA52 9GH 0893053R CAP2125CHIP 47000PFKB 50V TAPE C924 9GH 0800338R CAP.ELECTRO.220UF-M 50V(SMG) CA53 9GH 0800291R CAP.-ELECTRO. 10UF-M(SMG) 16V C927 9GH 0243511R CAP.-CERAMIC 680PF-K 500V TAPE CA54...
  • Page 97 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE CE07 9GH 0890061R CAP.-CERAMIC 10PF- 50V CK13 9GH 0880194R CAP.-POLYESTER 0.1UF-J 50V CE09 9GH 0880194R CAP.-POLYESTER 0.1UF-J 50V CK14 9GH 0880194R CAP.-POLYESTER 0.1UF-J 50V CE10 9GH 0800321R CAP.-ELECTRO.
  • Page 98 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE CP18 9GH AL01153S CAP.ELECTR. 1000UF-M 35V CX34 9GH 0284634R CAP.-ELECTRO 4.7UF-SME(BP) 50V CP19 9GH 0243511R CAP.-CERAMIC 680PF-K 500V TAPE CX35 9GH 0800324R CAP.-ELECTRO. 100UF-M(SMG) 6.3V CP20 9GH 0880194R CAP.-POLYESTER 0.1UF-J 50V CX36...
  • Page 99 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE D029 9GH 2344041M DIODE 1SS254TA/1SS270TA D816 9GH 2348432M DIODE RMPG06G D030 9GH 2344041M DIODE 1SS254TA/1SS270TA D851 9GH 2331849M ZENER HZ12C3 (TA) SI 500MW D031 9GH 2344041M DIODE 1SS254TA/1SS270TA D852 9GH 2344041M...
  • Page 100 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE D947 9GH 2339861M ZENER HZS-9 A1 DH28 9GH 2339831M ZENER HZS5 A1 TA SI 400MW 5V D948 9GH 2344041M DIODE 1SS254TA/1SS270TA DH30 9GH 2344041M DIODE 1SS254TA/1SS270TA D949 9GH CH00182R LIGHT EMITTING DIODE (SLZ-381C-06-T1)
  • Page 101 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE DP03 9GH CH02011M DIODE 1SR153-400 I006 9GH CP06941R IC PST994I DP04 9GH 2334324M ZENER DIODE RD36E TAPE (B3) SI 500MW 36V I007 9GH CP05572 IC BA17809T DP05 9GH 2331844M ZENER HZ12-B1...
  • Page 102 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE L007 9GH BH00697R FILTER COIL 100UH L907 9GH 2123469M FERRITE BEADS CORE 2.3UH L008 9GH BH00697R FILTER COIL 100UH L908 9GH 2123468M FERRITE BEADS CORE LEAD 0.8MH L201 9GH BH00697R FILTER COIL 100UH...
  • Page 103 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE LX03 9GH BH00697R FILTER COIL 100UH Q216 9GH 2325781R 2SA1037KT146(Q/R TYPE) LX04 9GH BH00697R FILTER COIL 100UH Q217 9GH 2325691R TRS CHIP 2SC2412K(Q/R TYPE) LX05 9GH BH00697R FILTER COIL 100UH Q220 9GH 2325781R...
  • Page 104 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE Q443 9GH 2325691R TRS CHIP 2SC2412K(Q/R TYPE) QA09 9GH 2325691R TRS CHIP 2SC2412K(Q/R TYPE) Q444 9GH 2325691R TRS CHIP 2SC2412K(Q/R TYPE) QA10 9GH CA11271R TRS 2SA1037AK T146 RS Q445 9GH 2325691R TRS CHIP 2SC2412K(Q/R TYPE)
  • Page 105 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE QP01 9GH 2323782R THYRISTOR 03P2M R023 9GH 0196900R RES 2125CHIP 1/16W3.3K-F TAPE QP02 9GH 2321112M TRS.2SA778AK(02 TAPE) R024 9GH 0195900R RES 2125 CHIP 1/16W 1.0K-J TAPE QP03 9GH 2320637M TRS.
  • Page 106 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R088 9GH 0195912R RES 2125 CHIP 1/16W 3.3K-J TAPE R134 9GH 0195925R RES 2125 CHIP 1/16W 10K-J TAPE R089 9GH 0195881R RES 2125 CHIP 1/16W 180-J TAPE R135 9GH 0195875R RES 2125 CHIP 1/16W 100-J TAPE...
  • Page 107 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R197 9GH 0195925R RES 2125 CHIP 1/16W 10K-J TAPE R234 9GH 0195916R RES.2125 CHIP 1/16W 4.7K-J TAPE R198 9GH 0700041M RES.-CARBON FLM 1/16W 1.0K-JB R235 9GH 0195941R RES.2125 CHIP 1/16W 47K-J TAPE R199 9GH 0700027M...
  • Page 108 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R314 9GH 0196890R RES 2125CHIP 1/10W1.2K-F TAPE R406 9GH 0195908R RES.2125 CHIP 1/10W 2.2K-J TAPE R315 9GH 0196892R RES 2125CHIP 1/16W1.5K-F TAPE R406 9GH 0195891R RES 2125 CHIP 1/16W 470-J TAPE R316 9GH 0195895R RES.2125 CHIP 1/10W 680-J TAPE...
  • Page 109 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R466 9GH 0196882R RES 2125CHIP 1/10W 560-F TAPE R532 9GH 0196892R RES 2125CHIP 1/16W1.5K-F TAPE R467 9GH 0196882R RES 2125CHIP 1/10W 560-F TAPE R533 9GH 0195895R RES.2125 CHIP 1/10W 680-J TAPE R468 9GH 0196882R...
  • Page 110 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R647 9GH 0700059M RES.-CARBON FLM 1/16W 27K-JB R754 9GH AT03419S METAL OX. 470 OHM 2W R648 9GH 0700041M RES.-CARBON FLM 1/16W 1.0K-JB R755 9GH AT03419S METAL OX. 470 OHM 2W R649 9GH 0100053M RES.-CARBON FLM 1/8W 330-JB...
  • Page 111 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE R866 9GH 0113815M RESISTOR CARBON FILM SRD1/2P-B 470K-J R927 9GH 0188133M RES.-CARBON FLM 1/2W 1.5K-JB R867 9GH 0100069M RES.-CARBON FLM 1/8W 1.5K-JB R928 9GH 0700038M RES.-CARBON FLM 1/16W 680-JB R868 9GH 0114141M RES.-CARBON FLM 1/4W 270-JB...
  • Page 112 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE RA75 9GH 0195939R RES.2125 CHIP 1/16W 39K-J TAPE RE18 9GH 0700065M RES.-CARBON FLM 1/16W 68K-JB RA76 9GH 0195875R RES 2125 CHIP 1/16W 100-J TAPE RE19 9GH 0700052M RES.-CARBON FLM 1/16W 6.8K-JB RA77 9GH 0195900R...
  • Page 113 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE RF17 9GH AT03662M RES.MTL GRAZD FLM 1/2W 560K RH31 9GH 0700041M RES.-CARBON FLM 1/16W 1.0K-JB RF18 9GH 0187096M RES.-CARBON FLM 1/16W 20K-JB RH35 9GH 0700043M RES.-CARBON FLM 1/16W 1.5K-JB RF19 9GH 0700049M RES.-CARBON FLM 1/16W 4.7K-JB...
  • Page 114 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE RK36 9GH 0700063M RES.-CARBON FLM 1/16W 47K-JB RM35 9GH 0700041M RES.-CARBON FLM 1/16W 1.0K-JB RK37 9GH 0700063M RES.-CARBON FLM 1/16W 47K-JB RM38 9GH 0700041M RES.-CARBON FLM 1/16W 1.0K-JB RK38 9GH 0700063M RES.-CARBON FLM 1/16W 47K-JB...
  • Page 115 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE RP38 9GH 0700054M RES.-CARBON FLM 1/16W 10K-JB RX73 9GH 0195910R RES.2125 CHIP 1/16W 2.7K-J TAPE RP39 9GH 0700045M RES.-CARBON FLM 1/16W 2.2K-JB RX74 9GH 0195910R RES.2125 CHIP 1/16W 2.7K-J TAPE RP40 9GH 0700027M RES.-CARBON FLM 1/16W 100-JB...
  • Page 116 9GH LUE0787 D78-LFM LENS CRT B.ASY #390 9GH NA40731 POWER PWB SUPPORT BRACKET SECC20/20E #015 9GH H312102 DRIPPING TRAY(50NP) 9GH QD20581 HORIZONTAL FRAME (SHARP) (50NP) #015A 9GH H312101 DRIPPING TRAY #410 9GH 63200245 SOLAR CATCH CUP #020 9GH NA50531 DRIPPING BRACKET(50NP)
  • Page 117 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE E851 9GH EY00941 CRT-SOCKET HPS1600-016409 9GH 2958151 CONNECTOR RE01X-X3239A901(60NP) E8A1 9GH EY00941 CRT-SOCKET HPS1600-016409 9GH 2997971 1P CONNE L=450(50NP) E901 9GH EV00901 COD-AP9X-B-160 9GH 2997971 1P CONNE L=450(60NP) E991 9GH AZ00109M PROTECTOR CRXT491007...
  • Page 118 3*16 B-TITE SCREW N202A 9GH 3611877 POLYETHLENE COVER NI91 9GH 4520883 3*12 SCREW WITH WASHER N203 9GH H462791 PRODUCTS REGISTRATION CARD(SHARP) NI95 9GH 4520883 3*12 SCREW WITH WASHER N203B 9GH 3393751 DELTA 77 C-ELEMENT NI96 9GH 4520883 3*12 SCREW WITH WASHER...
  • Page 119 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE NK10 9GH 3813121 LEAD CLAMPER 2135 9GH 2661751 2P PLUG PIN WITH BASE NM71 9GH 3816161 HOLDER (S) PSD1 9GH ED01471U PLUG 07BP1R2HUTWGP-A1 NM72 9GH NJ01171 LED HOLDER A5WS PSD1 9GH ED01491U...
  • Page 120 REFERENCE PART DELIVERY PRICE REFERENCE PART DELIVERY PRICE SECTION DESCRIPTION CODE SECTION DESCRIPTION CODE UFPK 9GH AZ00163 CRX F-PACK MAYLAYSIA(60NP) UKDG 9GH CS00451 HC2151 DIGI CON UNIT ASY 9GH DE01326 CRT P16LFM00 BMB E 9GH DE01328 CRT P16LFM00 HHA LU 9GH DE01327 CRT P16LFM00 RFA LU W641...
  • Page 121 COPYRIGHT ' 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher...

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