Table of Contents
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PAL
B/G, I
ELECTRICAL SPECIFICATIONS ................... 3
IMPORTANT SERVICING NOTES ................. 4
CONTROLS & TERMINALS ........................... 5
ADJUSTMENT PROCEDURES ...................... 6
LED FLASHING CODES ............................... 12
PRINTED WIRING BOARDS ........................ 13
CHASSIS LAYOUT ........................................ 19
SHARP CORPORATION
SERVICE MANUAL
/ SECAM
L/L', B/G, D/K
In the interests of user safety (required by safety
regulations in some countries) the set should restored
to its original condition and only parts identical to
those specified should be used.
CONTENTS
ICs ADDITIONAL INFORMATION .................. 21
SCHEMATIC DIAGRAMS ............................... 36
TROUBLESHOOTING TABLES ..................... 49
PARTS LISTING ............................................. 52
SOURCE OF DOCUMENTATION .................. 60
1
GA-20
SYSTEM COLOUR TELEVISION
MODEL
32JW-73E
This document has been published to
be used for after sales service only.
32JW-73E
SE0032JW73E01
Issued: 20
Dec. 2002
th
CHASSIS
ES/SE
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Summary of Contents for Sharp 32JW-73E
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Page 1: Table Of Contents
32JW-73E SERVICE MANUAL SE0032JW73E01 Issued: 20 Dec. 2002 GA-20 CHASSIS / SECAM SYSTEM COLOUR TELEVISION B/G, I L/L’, B/G, D/K MODEL 32JW-73E ES/SE In the interests of user safety (required by safety regulations in some countries) the set should restored to its original condition and only parts identical to those specified should be used. - Page 2 32JW-73E 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.
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Page 3: Electrical Specifications
32JW-73E ELECTRICAL SPECIFICATIONS •Picture Intermediate frequency •Power Input ....220V-240 Volts AC 50Hz L’ ..........33.9MHz L, B/G, D/K,I ......38.9MHz •Sound Carrier Trap •Power Consumption L’ ..........40.4MHz Normal Operation (Method IEC60107) .... 85W L, D/K ......... 32.4MHz Stand-by Operation ..........3W B/G .......... -
Page 4: Important Servicing Notes
32JW-73E 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. -
Page 5: Controls & Terminals
32JW-73E CONTROLS & TERMINALS ■ FRONT TV Main power button Power indicator Remote control sensor Volume DOWN button Volume UP button Channel DOWN button 3 4 5 6 7 Channel UP button Door HOW TO OPEN THE DOOR Press the top of the door, opening it slightly hook your finger inside and pull open. -
Page 6: Remote Control
32JW-73E REMOTE CONTROL 1. Stand-by ON/OFF switch (TV) Video 2. Power ON / OFF switch (VCR) 3. Digit buttons 0 ∼ 9 TV/VIDEO 4. Flashback button Teletext 5. Colour button (green) 6. Colour button (red) 7. Volume DOWN/Cursor control LEFT 8. -
Page 7: Adjustment Menu
32JW-73E • • • • • 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. - Page 8 32JW-73E Note that the receiver should be set to FULL MODE before carrying out any geometry adjustments. This can be achieved by pressing the widescreen mode button on the remote control until FULL MODE appears on the OSD. This can only be done out of the Service Mode.
- Page 9 32JW-73E Corner Amplitude Adjust the Corner Amplitude so that the picture is centred. The effect of this adjustment is shown in figure 6. Note: This adjustment affects to upper and lower sides. • When the volume up button is pressed, side pincushion changes from pincushion to barrel shape.
- Page 10 32JW-73E S Correction Adjust the S Correction so that the picture symmetrical between the top, centre and bottom. The effect of this adjustment is shown in figure 12. • When the volume up button is pressed, the top and bottom scanning increases and the centre scanning decreases.
- Page 11 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.
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Page 12: Led Flashing Codes
32JW-73E DVCO Adjustment (PAL) Carry out the DVCO Adjustment (PAL) as shown below: 1. Receive a Philips pattern signal. 2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button. 3. The adjustment will be carried out automatically and stored. -
Page 13: Printed Wiring Boards
32JW-73E FB218WJN2 CRT UNIT PWB. Component side. FB218WJN2 CRT UNIT PWB. Copper side. - Page 14 32JW-73E FB217WJN5 MOTHER UNIT PWB. Component side.
- Page 15 32JW-73E FB217WJN5 MOTHER UNIT PWB. Component side.
- Page 16 32JW-73E FB217WJN5 MOTHER UNIT PWB. Copper side.
- Page 17 32JW-73E FB217WJN5 MOTHER UNIT PWB. Copper side.
- Page 18 32JW-73E FB219WJN1 CONTROL UNIT PWB Component side Copper side...
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Page 19: Chassis Layout
32JW-73E CHASSIS LAYOUT PWB A (Mother Unit, FB217N5). -
Page 20: 32Jw-73E
32JW-73E PWB B CHASSIS LAYOUT (CRT SOCKET UNIT, FB218N2). PWB C CHASSIS LAYOUT (FRONTAL POWER-CONTROL UNIT, FB219N1). -
Page 21: Ics Additional Information
32JW-73E ICs ADDITIONAL INFORMATION TDA9886 (IC201) QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT supply voltage notes 1 and 2 supply current Video part −1 dB video at output − µV VIF input voltage sensitivity i(VIF)(rms) (RMS value) −... -
Page 22: 32Jw-73E
32JW-73E TDA9886 (IC201) SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT −3 dB AF bandwidth − without de-emphasis; AF(−3dB) dependent on FM-PLL filter − weighted signal-to-noise ratio of FM: 27 kHz FM deviation; W(AF) 50 µs de-emphasis; audio signal vision carrier unmodulated −... -
Page 23: 32Jw-73E
32JW-73E TDA9886 (IC201) BLOCK DIAGRAM handbook, full pagewidth... -
Page 24: 32Jw-73E
32JW-73E TDA9886 (IC201) PINNING SYMBOL DESCRIPTION TDA9886T TDA9885T TDA9885HN TDA9886TS TDA9885TS VIF1 VIF differential input 1 VIF2 VIF differential input 2 − − n.c. not connected output port 1; open-collector FMPLL FM-PLL for loop filter DEEM de-emphasis output for capacitor... -
Page 25: 32Jw-73E
32JW-73E TDA7480 (IC1301,IC1302) TDA7480 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit ±20 DC Supply Voltage Storage and Junction Temperature –40 to 150 °C Maximum Voltage Across VFREQ (Pin 9) FREQ Operating Temperature Range -20 to 70 °C ±1.8 Maximum ESD on Pins PIN CONNECTION (Top view) Rth with "on board"... -
Page 26: 32Jw-73E
32JW-73E TDA7480 (IC1301,IC1302) = ±14V; R ELECTRICAL CHARACTERISTICS (Refer to the test circuit, V = 8Ω; R = 50Ω; = 12KΩ; Demod.. filter L = 60µH, C = 470nF; f = 1KHz; T = 25°C unless otherwise specified.) Symbol Parameter Test Condition Min. -
Page 27: 32Jw-73E
32JW-73E MSP3410G (IC301) Loud- Loud- Sound IF1 Pre- speaker speaker processing modulator Sound Sound IF2 Subwoofer Processing Headphone Headphone Sound Processing Prescale SCART1 SCART2 SCART SCART1 Input SCART3 Prescale SCART Select Output SCART4 Select MONO SCART2 Fig. 1–1: Simplified functional block diagram of the MSP 34x0G... -
Page 28: 32Jw-73E
32JW-73E MSP3410G (IC301) 4.6.1. Absolute Maximum Ratings Symbol Parameter Pin Name Min. Max. Unit − ° C Ambient Operating Temperature − − 40 ° C Storage Temperature − 0.3 First Supply Voltage AHVSUP SUP1 − 0.3 Second Supply Voltage DVSUP SUP2 −... -
Page 29: 32Jw-73E
32JW-73E VCT3834 (IC1001) VCT 38xxA/B Display RGBOUT Processor Video Comb Panorama Video Color Front-end Filter Scaler Back-end Decoder RGBIN Pict.Improv VOUT VSUPAB GNDAB AOUT MSync Audio Color, Prio VSync C Master 8-bit PWM 24 kB ROM 14-bit PWM 15:1 Mux... -
Page 30: 32Jw-73E
32JW-73E VCT3834 (IC1001) VSUPP3 GNDD GNDP3 VSUPD HOUT CLK20 TEST FBLIN VPROT SAFETY VBCLK HFLB 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65... -
Page 31: 32Jw-73E
32JW-73E STV9380 (IC502) PIN CONNECTION CFLY + CFLY - BOOT EAout VREG FEEDCAP SGND FREQ PIN FUNCTIONS Name Function Number Negative supply Negative supply Negative supply PWM Output CFLY+ Flyback capacitor CFLY- Flyback capacitor BOOT Bootstrap capacitor VREG Internal voltage regulator... -
Page 32: 32Jw-73E
32JW-73E STV9380 (IC502) +VCC 100nF 1000µF 100nF +VCC -VCC +VCC power TDA9380 STV9380 VREG CFLY+ Flyback -VCC Flyback CFLYBACK Vref detection generator 100µF 100nF CFLY- BOOT Cboot 220nF Output 1kΩ IN - Modulator drive Input signal Deflect. EA out 200Ω... -
Page 33: 32Jw-73E
32JW-73E TEA1507 (IC701) Block Diagram SUPPLY START-UP V CC DRAIN MANAGEMENT CURRENT SOURCE clamp internal UVLO start n.c. VALLEY supply M-level VOLTAGE CONTROLLED LOGIC OSCILLATOR 100 mV OVER- FREQUENCY VOLTAGE CONTROL PROTECTION OVER- LOGIC DRIVER DRIVER TEMPERATURE PROTECTION I ss −1... -
Page 34: 32Jw-73E
32JW-73E TEA1507 (IC701) CHARACTERISTICS = 25 °C; V = 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Start-up current source (pin 8) supply current drawn from drain pin = 0 V;... -
Page 35: 32Jw-73E
32JW-73E TEA1507 (IC701) SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Burst mode standby (pin 3) burst mode standby active threshold at I = 6 mA th(burst)(on) burst voltage − − burst mode standby active current th(burst)(on) − − burst mode standby inactive current th(burst)(off) µs... -
Page 36: Schematic Diagrams
32JW-73E DESCRIPTION OF SCHEMATIC DIAGRAMS 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. -
Page 37: 32Jw-73E
32JW-73E Pin4 Vp-p= 100V Pin5 Vp-p= 100V Pin6 Vp-p= 100V Pin7 Vp-p= 0.8V Pin8 Vp-p= 225V Pin9 Vp-p=1200V Pin10 Vp-p= 0.4V Pin11 Vp-p= 1.8V Pin12 Vp-p= 0.5V Pin14 Vp-p= 70V Pin13 Vp-p=5.6V Pin15 Vp-p= 2.00V... -
Page 38: 32Jw-73E
32JW-73E Pin16 Vp-p= 9.2V Pin17 Vp-p= 0.24V Pin18 Vp-p= 9.6V Pin19 Vp-p= 0.2V Pin20 Vp-p= 9.2V Pin21 Vp-p= 1.4V Pin22 Vp-p= 1.4V Pin23 Vp-p= 0.7V Pin24 Vp-p= 500V... -
Page 39: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF CRT UNIT (FB218N2) VB76EGV2381*N... -
Page 40: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 1/4 (FB217N5) -
Page 41: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 1/4 (FB217N5) -
Page 42: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 2/4 (FB217N5) -
Page 43: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 2/4 (FB217N5) -
Page 44: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 3/4 (FB217N5) -
Page 45: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 3/4 (FB217N5) -
Page 46: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 4/4 (FB217N5) -
Page 47: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF MAIN 4/4 (FB217N5) -
Page 48: 32Jw-73E
32JW-73E SCHEMATIC DIAGRAM OF CONTROL UNIT (FB219N1) -
Page 49: Troubleshooting Tables
32JW-73E TROUBLESHOOTING TABLES 12 3,&785( 'RHV WKH VQRZ QRLVH <(6 6QRZ QRLVH 1R 6QRZ QRLVH DSSHDU RQ WKH &57 DW LQFUHDVH PD[ FRQWUDVW DQG EULJKWQHVV FRQWURO" 'RHV 9 DSSHDU &KHFN SLQ $EQRUPDO DW SLQ RI &KHFN /' DQG RI... - Page 50 32JW-73E...
- Page 51 32JW-73E 12 6281' &KHFN VRXQG VHWWLQJ E\ 5& 6LJQDO VKRXOG EH UHFHLYHG &KHFN & & 9ROWDJH &KHFN // ' DQG ' $SSUR[ 9 9 &KHFN ,&,& $QG VSHDNHU 12 9(57,&$/ 6&$1 &KHFN WKH YROWDJH $EQRPDO DW SLQ RI ,& &KHFN '' 5 DQG 5 1RUPDO DSSUR[“9...
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Page 52: Parts Listing
32JW-73E PARTS LISTING 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 4 966& * 757 6& $7 .25($ 6 $$ REPLACEMENT PARTS 4 966&.4 757 6& 52+0 6 $$ Replacement parts which have special safety characteristics are identified in 4 966$.4... -
Page 53: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( ' 5+(;*(== =(1(5 ',2'( 07=-%7 52+0 6 $$ / 93')5. 3($. &2,/ 8+ 6 $% ' 5+';&(== ',2'( 58=/) 6$1.(1... -
Page 54: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( & 9&($$&:0 (/(& & 8) 9 6 $$ & 9&.<&<+%. 6 &+,3 &$3 8)9 6 $$ & 9&($$&:0 (/(& & 8) 9 6 $$ &... -
Page 55: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( & 9&.<&<()= 6 &+,3 7$3( &$3 8)9 6 $$ 5 95'5$%(- 5(6 2+0 : 6 $$ & 9&($$&:0 (/(&... -
Page 56: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5 956&<-)- 6 &+,3 5(6 .2+0 7$3(' 6 $$ 5 95'5$%(- 5(6 .2+0 : 6 $$ 5 95679-'- 2+0 : 60'... -
Page 57: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5 956&<-)- 6 &+,3 5(6 2+0 7$3(' 6 $$ 5 956&<-)- 6 &+,3 5(6 2+0 7$3(' 6 $$ 0,6&(//$1(286 3$576 5 956&<-)-... -
Page 58: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5 95'5$%(- 5(6 .2+0 : 6 $$ ',2'(6 5 95'5$%(- 5(6 .2+0 : 6 $$ ' 5+';%0== ',2'( 1 $&3$... -
Page 59: 32Jw-73E
32JW-73E 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5() 1R 3$576 '(6&5,37,21 61 &2'( (; &2'( 5 95'5$%(- 5(6 2+0 : 6 $$ 4&1:%0== :,5( 63($.(56 )25 )/$7 6 $& 550&*%06$ 5& )/$7 += 02'(/ +26+,'(1 6 $. -
Page 60: Source Of Documentation
32JW-73E SOURCE OF DOCUMENTATION 1. TDA 9886, Philips Data Sheet: TDA9885; TDA9886. I C-bus controlled single/multistandard alignment-fee IF-PLL. Product specification. 2002 Mar 05. http://www.semiconductors.philips.com/acrobat/datasheets/TDA9885_TDA9886_1.pdf 2. TDA 7480, ST Microelectronics Data Sheet: TDA7480. 10W Mono Class D Amplifier. September 1998 http://us.st.com/stonline/books/pdf/docs/4839.pdf 3. -
Page 61: Packing Of The Set & Accessories
32JW-73E PACKING OF THE SET & ACCESSORIES Pack-ad SPAKX4079BMZZ Wrapper SPAKP2014BMZZ FRONT SPAKC5497BMZZ Carton Box Batteries UBATU0013TAZZ Remote Control RRMCG1073BMSA Operation Manual Set R/C Battery Cover GCOVHA010WJSA FRONT Carton Box... -
Page 62: 32Jw-73E
32JW-73E Notes:... -
Page 63: 32Jw-73E
32JW-73E Notes:... -
Page 64: 32Jw-73E
SHARP ELECTRONICA ESPAÑA S.A. PRINTED BY: TV Division Think Ecology, please use Engineering Dept.