37GT-27S SERVICE MANUAL SE0037GT27S00 Issued: 9th May 2002 SQUAD-T CHASSIS PAL SYSTEM COLOUR TELEVISION MODEL 37GT-27S ES/ESS/IT/ITS/GG 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.
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37GT-27S 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.
37GT-27S 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.
37GT-27S SERVICE ADJUSTMENTS Service Mode Function All required adjustments for servicing this TV set, may be done in «Service Mode», excepting G2 and FOCUS. How to access the Service Mode 1. Turn the receiver on and ensure that it is tuned into a test pattern.
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37GT-27S Adjustment of Data within the NVM memory To access the NVM memory, press the channel up button on the remote control until the NVM setting is reached. Note that the NVM address is shown in green and the NVM value is shown in red. Each of the NVM values are stored as a hexadecimal code, each code comprises of two hexadecimal numbers.
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37GT-27S VALUE DESCRIPTION ADDRESS VALUE DESCRIPTION ADDRESS CAG ADJUSTEMENT VALUE AFT FINE FOR B/G AND L TV OPTIONS SYSTEMS b7: ENGLISH OSD AFT FINE FOR L' SYSTEMS b6: AUTOINSTALLATION FIRST VOLUME LIMIT (MAXIMUM) OPTION RESERVED b5: CHILD LOCK ENABLED b7: X...
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37GT-27S VALUE DESCRIPTION ADDRESS VALUE DESCRIPTION ADDRESS b0: HOTEL MODE: DEACTIVATE BEGINING OF HORIZONTAL THE TV PANEL FRONTAL KEY. CLAMP PULSE. IT STARTS UP IN SCART MODE VOLTAGE TO CHANGE TO L-L' WHEN SSW SIGNAL IS GIVEN SYSTEM b1: SPECIAL HOTEL MODE FOR S.E.I.S.
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37GT-27S Screen Adjustment 1. Focus Adjustment 1.1. Apply mains voltage of 220V AC/50HZ to TV. 1.2. Receive Philips pattern signal to a level between 60 and 80 dB/µV. 1.3. Set contrast to 10/10, brightness to 5/10 and colour 0/10. 1.4. Adjust focus potentiometer to obtain maximum definition.
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37GT-27S 1.8. Exit Service Mode and check colour coordinates «X» and «Y» at 20 and 120 nits. It may be necessary to repeat the same procedure or readjust the cuts as show the be below one. 2. «CUT R», «CUT G»...
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37GT-27S Hotel 2 Mode: by modifying the value in 57 address of the NVM . -When the TV set is switched on by main it starts working in SCART mode. -When the TV is in STAND-BY mode and it is connected to a VCR through a 21 pins wire, it may be switched on simply by SLOW SWITCH (VCR in PLAY mode).
37GT-27S ICs ADDITIONAL INFORMATION SDA 5552 (IC 1001) Micronas Intermetall Data Sheet: “SDA55XX TVText Pro” http://www.micronas.com/products/documentation/consumer/sda555x/downloads/sda55xx_1ds.pdf STV2236 (IC 801) FEATURES DESCRIPTION C BUS CONTROL. The STV223XD/223X/224X are fully bus con- trolled ICs for TV including PIF, SIF, luma, chroma PIF CIRCUIT WITH PLL DEMODULATION and deflection processing.
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37GT-27S STV2236 (IC 801) STV 22XX FAMILY CHARACTERISTICS Application PAL/SECAM/NTSC PAL/NTSC PAL/NTSC Package QSS/INTERCARRIER QSS/INTERCARRIER INTERCARRIER SHRINK56 STV2238/48 STV2237/47 STV2236/46/86 TQFP64 STV2238D STV2237D STV2236D STV 22XX IC VERSIONS IC Version SHRINK56 TQFP64 Function 2236 2237 2238 2246 2247 2248 2286...
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37GT-27S STV2236 (IC 801) Pin N° STV224X/8X STV223X STV223XD Symbol Description SDIP56 SDIP56 TQFP64 CVBSOUT1 Main Video Switch Output Chroma/Scanning Power Supply (8 V) Beam Current Limiter Control Voltage and BCL/SAF Safety Input (XRAY) VERT Vertical Output Pulse HOUT Horizontal Output Pulse...
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37GT-27S TDA16833 (IC 701) Off-line SMPS Controller with TDA16831-4 600 V Sense CoolMOS on Board Preliminary Data CoolSET Overview Features • PWM controller + sense CoolMOS attached in one compact package • 600 V avalanche rugged CoolMOS Ω • Typical = 0.5 ...
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37GT-27S TDA16833 (IC 701) Device Output Power Range/ Output Power Range/ Required Heatsink Required Heatsink = 85-270 VAC = 190-265 VAC TDA 16831 10 W / no heatsink 10 W / no heatsink TDA 16832 20 W / 6 cm...
37GT-27S 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.
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37GT-27S Vc HORIZONTAL SANDCASTLE VERTICAL INPUT VERTICAL VERTICAL OUTPUT REMOTE CONTROL OUT SPEAKER IF VIDEO OUT RED OUT BLUE OUT GREEN OUT VIDEO INPUT TXT uC...
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12-03-2002 Hasta INFO 45 SHARP 11-03-2002 Hasta INFO 43 Digitally signed by Adolfo Fernandez cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES Date: 2002.04.26 12:08:05 +01'00' Miguel Alcoba Reason: This document is ready for approval Miguel Alcoba MODELO 2002.04.26 12:08:57 +01'00' 2002.04.26 12:09:24 +01'00'...
37GT-27S BLOCK DIAGRAM S1001 S1002 S1003 S1004 VOL+ VOL- AC 220-240V 50HZ IC1002 P701 N0304CE F701 T3.15A +150V SC881 VD842CE 150V H.V. Q883 S 7 0 1 Q885 HEATER Q887 L701 A D G C O I L FOCUS PWB-B...
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37GT-27S BLOCK DIAGRAM RMC0001 RMCU0222CE J 3 0 1 D 1 0 0 5 S P 3 0 1 P 3 0 1 Q1001 Audio N.C. N.C. OUT FRONT Q305 VDD 2.5 VDD 3.3 Mute VDD 3.3 VDD 2.5 N.C.
37GT-27S TROUBLESHOOTING TABLES NO PICTURE Check Picture setting by R/C. Signal should be received. Check the tuner supply and band biases. Both must be approx. 5V DC Normal Is tuning voltage normal at Pin (2) of Tuner? Check Q1001, IC1001, IC1003 -Check the AGC Voltage: Pin (1) of Tuner.
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37GT-27S NO SOUND Check Sound setting by R/C. Signal should be received. Does approx. 20V DC appear on C710? Check D707, C710 Does Sound Signal appear at Pin(6) of IC801? Check IC801, C301 Audio Amplifier muted? Check IC1001, Q305 Check R304, Q301, Q302...
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37GT-27S NO RASTER Fuse Blown Check F701 Normal Check Voltage on C705 Replace Fuse (Approx. 325V DC) Fuse Blown Normal again Check Voltage on C711 Check IC701 Approx. 0V Abnormal (Approx. 105V DC) Normal Normal Check D708, D717 Check CRT connector K1...
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37GT-27S NO VERTICAL SCAN Is IC501 bias normal? Check R510, Q501, Check D709, D710, IC501 Q502, Q503 NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION Check IC801, C815, C816, R818 DEFECTIVE VERTICAL AMP. AND VERTICAL LINEARITY Readjust Vertical Size. Vertical size is abnormal...
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37GT-27S NO SPECIFIC COLOUR some colour produced in B/W Broadcast reception? Check IC801, C812, C813, R813, X801 the white balance properly adjusted? The Picture Colour is The Picture Colour is The Picture Colour is Red or cyan. green or magenta.
37GT-27S PARTS LISTING REF No. PARTS DESCRIPTION SN CODE EX CODE Q 1004 VS2SA1037KQ-1 TRT BC807 SMD S AA REPLACEMENT PARTS Q 1005 RH-TX0232BMZZ TRT BC847B SMD PHILIPS S AA Replacement parts which have special safety characteristics are identi- Q 1007...
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37GT-27S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0702 RC-KZ0029CEZZ CERAM C 10NF 80,20% 250V S AC COILS C 0704 RC-KZ0029CEZZ CERAM C 10NF 80,20% 250V S AC L 0201...
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37GT-27S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0219 VRS-TV1JD222J 2125 2,2KOHM 5% 1/10W SMD S AA R 0612 VRN-VV3ABR22J MET FILM R .22 OHM 5% 1W S AB R 0220...
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37GT-27S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 1033 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA QPLGN0360CEZZ CONNECTOR 3 PIN TV-50P-03-V2 A TAIKO S AA R 1034 VRD-RA2BE272J RES 2,7KOHM 5% 1/8W...
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OWNERS MANUAL 37GT27SES/SESS S AC TINS-7219BMN0 OWNERS MANUAL 37GT27SIT/SITS S AB CABINET PARTS CCABA1382BMV0 CABINET SET 37GT27 S AM HBDGB1018BMSB SILVER SHARP BADGE S AA HDECQ0036BMSA R/C DECORATION S AA HDECQ0035BMSA LED DECORATION S AA JBTN-1047BMSA UP/DOWN BUTTON(37EM-24S) S AA...