PARTS LISTING ..........67 PRINTED WIRING BOARDS ......14 SERVICING NOTES........77 COMPONENT LOCATION TABLES ....22 SOURCE OF DOCUMENTATION ....79 CHASSIS LAYOUT ......... 29 SHARP CORPORATION This document has been published to be used for after sales service only.
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32JW-74E SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Application Cause / Solution Part No. Page No. Data /Serial No. Technical Bulletin No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc. If only part number changes are required, just change part number directly the part number in the Parts Listing Section. If you need more information, please refer to the Technical Report (Bulletin).
Specifications are subject to change without prior notice. MODEL DESTINATION (Operation Manual Languages) 32JW-74E: Deutsch, Français, Nederlands. 32JW-74EES: Español, Português. WARNING The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing this chassis.
32JW-74E IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out maintenance and repair of this receiver. Servicing of High Voltage System and CRT It is important that the static charge is removed from the high voltage system when carrying out work on the receiver.
32JW-74E • • • • • Use the channel up and down buttons to move between the options. • • • • • Use the volume control buttons to change the data. • • • • • To store the data, use the stand-by button on the remote control. •...
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32JW-74E The following geometry adjustments can be carried out. Detailed instructions on how to execute these are given on the following pages: Horizontal • Horizontal Shift Vertical • Vertical Amplitude • East West Width • Pin Phase • S Correction •...
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32JW-74E Upper Corner Correction Adjust the Upper Corner Correction so that the picture is centred. The effect of this adjustment is shown in figure 6. • When the volume up button is pressed, side pincushion changes from pincushion to barrel shape. •...
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32JW-74E Vertical Bow Adjust the Vertical Bow so that the picture is centred. The effect of this adjustment is shown in figure 11. • When the volume up button is pressed, the vertical bow changes to left. • When the volume down button is pressed, the vertical bow changes to right. •...
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5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as necessary. Note: DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly changed, serious damage may occur to the receiver. Contrast Adjustments Three types of contrast levels can be varied as listed below: •...
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32JW-74E DVCO Adjustment (NTSC) Carry out the DVCO Adjustment (NTSC) as shown below: 1. Receive a color pattern signal (NTSC 3.58). 2. While in the DVCO ADJUSTMENT (NTSC) menu, press the stand-by button. 3. The adjustment will be carried out automatically and stored. Automatic Gain Control Adjustment (B/G, D/K, I) To correctly align the Automatic Gain Control, follow the procedure outlined below: 1.
32JW-74E LED FLASHING CODES This model is not provided with stereo led, so to let “flashing codes” for IC failures detection when the TV set does not work, we offer the next solution: • The detection of failure will be made with an external LED. •...
32JW-74E F7269N3 CRT Unit PWB Component side Copper side No Parts Ref No Ref No Ref No Ref No Ref No 136906 10922 C892 34544 112268 25654 97028 R5432 151384 35560 R893 73152 87884 (MO) 93726 10922 C893 37846 41656 10414 44958 R5433 150114 20320...
32JW-74E SCHEMATIC DIAGRAMS Description NOTE: SAFETY NOTE: 1. The unit of resistance « ohm »is omitted (K=1000 1. DISCONNECT THE AC PLUG FROM THE AC ohms. M= Megaohm). OUTLET BEFORE REPLACING PARTS. 2. All resistors are 1/8 watt. unless otherwise noted. µ...
32JW-74E Schematic Diagram of TVTextPRO Digital Module Unit (F7353N1) 57 *1 Firmado Firmado Firmado digitalmente por digitalmente por digitalmente por ADOLFO Castillo, Fco. Josep Vila Sola FERNANDEZ Nombre de Nombre de reconocimiento Nombre de reconocimiento (DN): cn=Castillo, reconocimiento (DN): cn=Josep Fco., (DN): Vila Sola,...
32JW-74E TROUBLESHOOTING TABLES 7+( +25,=217$/ 67$*( 67$57 83 %87 7+( 3,&785( 25 6281' ,6 127 &255(&7 ± *Although the checking of these parts could be right, they may be partially damaged. So if the problem remains proceed to replace all parts. Test Point...
32JW-74E Note: Once the TV set has been repaired, have in mind to put the TV set in the default situation (undo short- circuits, specially the applied in Q1004).
32JW-74E ICs ADDITIONAL INFORMATION TDA9886TS (IC201) Features FEATURES • 5 V supply voltage • Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier, AC-coupled • Multistandard true synchronous demodulation with active carrier regeneration: very linear demodulation, • SIF-AGC for gain controlled SIF amplifier, single good intermodulation figures, reduced harmonics, and reference QSS mixer able to operate in high excellent pulse response...
32JW-74E TDA7480L (IC501) 10W OUTPUT POWER: = 8Ω/4Ω; THD = 10% HIGH EFFICIENCY NO HEATSINK SPLIT SUPPLY OVERVOLTAGE PROTECTION ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION PDIP20 (14+3+3) THERMAL OVERLOAD PROTECTION DESCRIPTION The TDA7480L is an audio class-D amplifier as- ORDERING NUMBER: TDA7480L sembled in Power DIP package specially de- signed for high efficiency applications mainly for...
32JW-74E TDA6111Q (IC850, IC851, IC852) Block Diagram supply voltage feedback input HIGH output handbook, full pagewidth MIRROR MIRROR FOLLOWERS cathode transient V bias output C par cathode inverting DC output input DIFFERENTIAL TDA6111Q STAGE non-inverting black current input measurement output CURRENT MIRROR MIRROR...
32JW-74E SDA9380 (IC6006) Pin Description Pin No. Name Type Description CLKI I/TTL Input for external line locked clock *) Reference oscillator output, Crystal Reference oscillator input, Crystal CLEXT I/TTL Switching between internal (L) and external clock (H) *) TEST I/TTL Switching between normal operation (TEST=L) and test mode (TEST=H: pins 4, 12, 13, 14, 15, 17, 49, 50, 63, 64 are additio- nal test pins)
32JW-74E SDA9380 (IC6006) Pin Description Pin No. Name Type Description VREFH Reference voltage VBLO Q/TTL Vertical blanking output VREFN Ground for VREFH VREFC Reference current input Dark current input for cut off and white level control VDD(A4) Analog supply Y/R 0 Luminance or R input U/G 0 U signal or G input...
32JW-74E VSP9402A (IC6007) Pin List pin 9402/32 9412/42 I/O 9402/32 9412/42 remark In 9402 A31 (and higher) and in VSP94xxA/B/C, this pin is shared by 656vin and blank...
32JW-74E SERVICING NOTES 1. How to rewrite data in NVM. The NVM (Non Volatile Memory) is a read/write device which function is to keep data even in the case of TV set is switched off. Part of these data is recovered every time the TV is switched on, and, of course, if user makes any change in the user settings (i.e brightness, contrast, etc..).
32JW-74E 2. Packing of the Set & Accessories Pack-ad SPAKX4079BMZZ Wrapper SPAKP2014BMZZ FRONT SPAKC5497BMZZ Carton Box Batteries UBATU0013TAZZ R/C Battery Cover GCOVHA010WJSA Remote Control RRMCG1073BMSA...
32JW-74E SOURCE OF DOCUMENTATION 1. TDA 9886, Philips Data Sheet: TDA9885; TDA9886. I C-bus controlled single and multistandard alignment-fee IF-PLL demodulators. Product specification. 2002 Mar 05. http://www.semiconductors.philips.com/acrobat/datasheets/TDA9885_TDA9886_1.pdf 2. MSP3410G, Micronas Data Sheet: Preliminary data sheet: “MSP 34x1G Multistandard Sound Processor Family with Virtual Dolby Surround” Edition March 5, 2001 (6251-511-2PD).