KALLEY SERVICE MANUAL
Contents
1. TDA9361 gt video TUNER SAW gt IF IN YIN OY M gt Vo 4 t RF AGC VIN 4052 BAND1 V1 BAND2 UIN Cb ov CVBSINT Video ole Y TAZ 5 video CHROMA k S VHS IFVO OUT CVBS Y IN ARo 24C04 m ALo 1 zz SDA BTSC SCL TDA9850 gam AUDIO OUT IK Eg ace RGB OUT 303 55 V OUT HOUT 944 55 11 TDA9859 lt lt lt lt oor LL lt lt x bus 5V audio audio AN7522 4 CRT PCB WT gt VIN HIN Ly 200v OUT1 L gt 15V anda OUT1 24V TDA8351 y CD8145 HOUT v POWER v 16V mune pe V OUT T H OUT OUT2 5V FOCUS OUT24 3 3V DY PHILIPS UOC FUNCTIONAL DIFFERENCE BETWEEN THE VARIOUS IC VERSIONS IC VERSION 9350 9351 9352 9353 9360 9361 9362 9363 9364 9365 9366 9367 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 9370 9373 9375 9377 0378 ITV rang 90 90 90 110 90 90 110 110 110 110 90 90 90 90 90 110 110 110 110 90 110 110 902. Symbol Function Symbol PIN Function Vcc Power supply GND 7 ground Out 1 Ch 1 output In 2 8 Ch 2 input GND out 1 Ch 1Ground VOL 9 Volume Control Out 1 Ch 1 output Out 2 10 Ch 2 output Standby Mute input GND out 2 11 Ch 2 Ground In 1 Ch 1 input Out 2 12 Ch 2 output Note AN7523 is pin 1 to 9 AN7522 is pin 1 to 12 LA78040 78045 Function vertical output Symbol PIN Function Symbol PIN Function INV IN 1 Input V OUT 5 Vertical output VCC1 2 Power VCC2 6 Output power supply PUMP UP 3 Pump up power NON INV IN 7 Negative feedback GND 4 Ground TDA9859 Function Universal Sound processor Symbol Pin Function Symbol Pin Function AV1L 1 AV1 Audio Left input AV1R 32 AV1 Audio input Right P1 2 Not used P2 31 Not used MAINL 3 Main Audio Left input AV2R 30 AV2 Audio input Right CSMO 4 Smoothing Capacitor CPS1 29 Pseudo stereo Cap 1 MAINR 5 Main Audio Right input AV2L 28 AV2 Audio input Left VP 6 Supply CPS2 27 Pseudo stereo Cap 2 OUT R Right Output OUT L 26 Left Output GND 8 Ground MAD 25 Not used GND LINOR 9 Line Output Right LINOL 24 Line Output Left LINIR 10 Line Input Right LINIL 23 Line Input Left CBR1 11 Bass Cap Right 1 CBL1 22 Bass Cap Left 1 CBR2 12 Bass Cap Right 2 CBL2 21 Bass Cap Left 2 Headphone R 13 Headphone R output Headphone L 20 He
3. 11 12 0 7 8 9 1 4 0 5 6 3 3 1 4 Lon 0 3 516 7 9 10 11 13 14 40 8 0 4 0 80 40 40 4 0 40 40 40 40 17 18 19 20 21 22 23 24 25 26 27 28 4 6 4 0 4 0 4 0 4 0 4 0 40 40 40 40 40 31 32 40 10 7 TDA9859 CD 8145 PN 1 2 3 4 5 6 7 v 16 18 82 0 94 265 10 10 15 8 PURITY CONVERGENCE ADJUSTMENT 10 11 12 PURITY ADJUSTMENT Demagnetize CRT with the demagnetizer Loosen the retainer screw of the deflection yoke Remove the wedges Input a green raster signal from the signal generator and turn the screen to green raster Move the deflection yoke backward Bring the long lug of the purity magnets on the short lug and position them horizontally Fig2 Adjust the gap between two lugs so that the GREEN RASTER will come into the center of the screen Fig 3 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green Insert the wedge to the top side of the deflection yoke so that it will not move Imput a crosshatch signal Verify that the screen is horizontal Input red and blue raster signals and make sure that purity is properly adjusted WEDGE DEFLECTION YOKE P C MAGNETS P PURITY MAGNET 4 4 PO
4. 10 AUDEXT QSSO 35 external audio output QSS intercarrier out AMOUT 1 EHTO 36 EHT overvoltage protection input PLL IF 37 IF PLL loop filter IFVO SVO 38 IF video output selected CVBS output VP1 39 supply voltage TV processor CVBS INT 40 internal CVBS input GND1 41 ground for TV processor CVBS Y 42 CVBS Y input CHROMA 43 C input AUDOUT AMOUT 1 44 audio output AM audio output volume controlled INSSW2 45 2nd RGB YUV insertion input R2 VIN 46 2nd R input V R Y input PR input G2 YIN 47 2nd G input Y input B2 UIN 48 2nd B input U B Y input PB input BCLIN 49 beam current limiter input BLKIN 50 black current input V guard input RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 analog supply of Closed Caption decoder and digital supply of TV processor 3 3 V VPE 55 OTP Programming Voltage VDDC 56 digital supply to core 3 3 V OSCGND 57 oscillator ground supply XTALIN 58 crystal oscillator input XTALOUT 59 crystal oscillator output RESET 60 reset VDDP 61 digital supply to periphery 3 3 V P1 0 INT1 62 TV AV 1 AV2 S VHS mode Output P1 1 TO 63 TV AV 1 AV2 S VHS mode Output P1 2 INTO 64 Remote control signal input Note 1 The function of pin 20 28 29 31 32 35 and 44 is dependent on the IC version mono intercarrier FM demodulator QSS IF amplif
5. 110 110 90 110 Mono inter carrier multi standard V Sound demodulator 4 5 6 5MHz With switch able centre frequency Audio switch N N N NN NON NON Automatic volume leveling N Automatic volume leveling or N N N Subcarrier output for comb filter applications 055 sound IF amplifier with N NON N N N N N N N Separate input and AGC circuit AM sound demodulator without N N Extra reference circuit PAL decoder N NWN N N WW N N N decoder N N N NTSC decoder N WN N N WW N N NM Horizontal geometry E W N N Horizontal and vertical zoom ROM size 32 32 32 32 64 64 64 64 64 64 64 64 16 16 16 16 16 16 16 16 16 16 32 32 32 32 32 64k 64k 64k 64k 128 128 128 128 128 128 128 128 64k 64k 64k 64k 64 64k 64k 64k 64k 64 55k 55k 55k 55k 55k User RAM size ik Hk 2k 2k 2k 2k 2k 2k 2k Hk fk k HW Hk fk Hk 225 2 25 2 25 2 25 2 25 Teletext 310p 10 10 10 10 10 10 Closed captioning NW WN N N N M M M N N N N N N M M N N N N N N N N N Block diagram TDA93xX PS N2 series with mono intercarrier sound demodulator 5 SOUND TRAP TUNERAGC VISION IF GNMEN T FREE PLL DEMCO AGC AFC VIDEO AMP PALNTSC DECODER H
6. any exposed metal part having a return path to the chassis to a known good earth ground water pipe etc Any leakage current must not exceed 0 5mA AC r m s However in tropical area this must not exceed 0 2mA AC r m s Alternate Check Method Plug the AC line cord directly into the AC outlet do not use a line isolation transformer during this check Use an AC voltmeter having 1000 ohms per volt or more sensitivity in the following manner Connect 15000 10W resistor paralleled by a 0 154 F AC type capacitor between exposed metal part and a known good earth ground water pipe etc Measure the AC voltage across the resistor with the AC voltmeter Move the resistor connection to each exposed metal part particularly any exposed metal part having a return path to the chassis and measure the AC voltage across the resistor Now reverse the plug in the AC outlet and repeat each measurement Any voltage measured must not exceed 0 75V AC r m s This corresponds to 0 5mA AC r m s However in tropical area this must not exceed 0 3V AC r m s This corresponds to 0 2mA AC r m s AC VOLTMETER HAVING 400007 OR MORE SENSITIVITY PLACE THIS PROBE ON EACH EXPOSED METAL PART 1800 Q 10W GOOD EARTH GROUND 2 TV Block diagram for PALm PALn
7. 0 _2NA MI Items Variable Preset Items Variable Preset M1 FREQUENCY 50HZ M5 SUB Contrast 0 63 63 V SLOPE 0 63 31 SUB color 0 63 63 V SHIFT 0 63 31 SUB sharp 0 63 63 V SIZE 0 63 31 SUBTINT 0 15 15 V S 0 63 31 SUB Volume 0 63 63 H SHIFT 0 63 31 OSD V POS 0 63 53 M6 OSO ON OFF ON OSD H POS 0 59 15 AGC SPEED 0 3 2 PROGRAM NO FSL ON OFF ON M2 AGC Takeover 0 63 25 FMWS ON OFF OFF SHIPMODE PRO 0 3 0 NTSC MX USA M3 BT 0 63 48 CT 0 63 48 M7 STANDARD BRI 0 63 48 SC OFF STANDARD CONT 0 63 48 RB 0 63 32 STANDARD COL 0 63 48 GB 0 63 32 SHARP BRI 0 63 48 RD 0 63 32 SHARP CONT 0 63 63 GD 0 63 32 SHARP COL 0 63 32 BD 0 63 32 SOFT BRI 0 63 32 SB 0 63 40 SOFT CONT 0 63 32 SOFT COL 0 63 32 M4 BTSC MODE STEREO UOC VOLUME 0 63 34 M8 AV CFG 0 8 3 BTSC ST 0 15 15 YDLY PAL 0 15 12 BTSC SP 0 15 15 YDLY AV 0 15 12 BTSC LI 0 15 12 SC BRIGHT 0 63 10 BTSC A1 0 31 0 CATHODE LEVEL 0 15 10 BTSC A2 0 31 31 HEADPHONE ON OFF OFF BTSC TC 0 7 VM OPTION ON OFF OFF BTSC STS 0 1 BTSC ADJ AUTO M9 START ON 0 2 START TIME 0 15 5 ICs functional description UOC TDA93XX SYMBOL PIN DESCRIPTION STAND BY output 1 In STAND BY mode high level Power OFF For Power ON this pin will be reduced to lo
8. 2 manufacturer s replacement components Isolation Check Safety for Electrical Shock Hazard After re assembling the product always perform isolation check on the exposed metal parts of the cabinet antenna terminals video audio input and output terminals Control knobs metal cabinet screwheads earphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock The surface of the TV screen is coated with a thin film which can easily be damaged Be very careful with it when handle the TV Should the TV screen become soiled wipe it with a soft dry cloth Never rub it forcefully Never use any cleaner or detergent on it Dielectric Strength Test The isolation between the AC primary circuit and all metal parts exposed to the user particularly any exposed metal part having a return path to the chassis should withstand a voltage of 3000V AC r m s for a period of one second Withstand a voltage of 1100V AC r m s to an appliance rated up to 120V and 3000V AC r m s to an appliance rated 200V or more for a periode of one second This method of test requires a test equipment not generally found in the service trade Leakage Current Check Plug the AC line cord directly into the AC outlet do not use a line isolation transformer during this check Using a Leakage Current Tester measure the leakage current from each exposed metal part of the cabinet particularly
9. KALLEY K TV21PF amp K TV29PF with NTSC PALm PALn SERVICE MANUAL CONTENTS 1 Safety precautions NSS aa TENERA VER ER DRE REA 3 block diagram and PHILIPS UOC functional difference between the various IC versions 4 Replacement of memory C 7 Service adjustment EXE ER REN UR TAA URS IQ TRIN 7 ICs functional description u usus rk rii ra rer RR KR REX VA ERA VE RE 11 Test p int VIDISTI QC III LIII 15 All ICs transistors voltages licei adiens inet SFR RERO E Rau de 16 Purity convergence adjustment 17 SAFETY PRECAUTIONS The design of this product contains special hardware many circuits and components specially for safety purposes For continued protection no changes should be made to the original design unless authorized in writing by the manufacturer Replacement parts must be identical to those used in the original circuits Service should be performed by qualified personnel only Alterations of the design or circuitry of the products should not be made Any design alterations or additions will void the manufacturers warranty and will further relieve the manufacture
10. LES convergence magnets 6 6 POLES convergence magnets Fig 1 PURITY MAGNETS Long lug Short lug Bring the long lug over the short lug and position them horizontally Fig 2 FRONT VIEW GREE RASTER CENTER Fig 3 16 STATIC CONVERGENCE ADJUSTMENT 1 Inputa crosshatch signal 2 Using 4 pole convergence magnets overlap the red and blue lines in the center of the screen Fig 1 and turn them to magenta red blue 3 Using 6 pole convergence magnets screen and turn them to white 4 Repeat 2 and 3 above and make convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the 6 magnets with glue overlap the magenta red blue and green lines in the center of the the best the best FRONT VIEW Fig 1 FRONT VIEW RED GREEN BLUE BLUE RED GREE GREEN RED BLUE BLUE GREEN RED Fig 2 FRONT VIEW BLUE GREEN RED RED GREEN BLUE BLUE GREEN RED 17
11. N SYNC SEP DEEMPHASIS DEEMPHASIS AUDIO SWITCH AVL VOLLIME CONTRO AGC CIRCLIT NARROW BAND PLL DEMODULATOR BASE BAND DELAY LINE H DRIVE 29i LOOP H SHFT ENHANCED 80051 CPU LUMA DELAY PEAKING BLACK STRETCH V DRIVE V DRIVE EHTO VST OUT FC BUS TRANSCEIVER VST IQ PORTS CLOSED CAPTION ACCUISITION EW GEOMETRY MEMORY DISPLAY CONTR BRIGHTN OSD TEXT INSERT CLL WHITE P ADU RGE Y UV INSERT RGE YUV MATRIX SATURATION YUVIRGB MATRIX GY BAJ BL UYADAN YAMA 3 REPLACEMENT OF MEMORY IC 1 MEMORY IC This TV uses memory IC In the memory IC are memorized data for correctly operating the video and deflection circuits When replacing memory IC be sure to use IC written with the initial value of data 2 PROCEDURE FOR REPLACING MEMORY IC 1 Power off Switch the power off and unplug the power cord from AC outlet 2 Replace IC Be sure to use memory 1 written with the initial data values 3 Power On Plug the power cord into the AC outlet and switch the power On 4 Check and set SYSTEM default value 1 Press QV key holding about 4 second and then press MENU1 key on the Remote control unit Or Press TEST key on the Remote control unit for factory used 2 The TEST will be displayed on the screen 3 Press digital key Mkey and corresponding on screen display will be appeared Some time PASSWORD on s
12. adphone L output CTR 14 Treble Cap Right CTL 19 Treble Cap Left MAINOR 15 Main Audio out Right MAINOL 18 Main Audio out Left SCL 16 12 Bus clock SDA 17 12C Bus data CD 8145 Function EW parabola correction Symbol Function Symbol PIN Function Keystone input Trapezium NON INV IN 8 Non inverting 100 ua correction input Current sink Sawtooth input frame sawtooth INV IN 7 Parabola output current input Inverting input ref Current reference VCC 6 VCC GND Ground Output 5 Output 13 6 Test point Waveforms TDA93XX PIN21 TDA93XX PIN22 300Vpp 14 H H 7 IC voltages TDA93XX 3 5 0 1 19 20 21 22 23 24 25 26 27 28 29 4 0 9 0 7 0 8 1 9 1 9 3 9 3 8 1 6 3 2 3 4 35 36 37 38 39 40 41 42 43 44 45 37 17 24 31 38 3 4 1 5 3 6 2 3 51 52 53 54 55 56 57 58 59 6o 61 62 27 27 27 35 0 0 1 1 7 1 8 3 5 0 1 0 3 617 8 10 1 13 3 6 3 3 3 5 3 5 01 01 54 01 23 0 LA76040 PIN 1 2 15 AN 7522 pN 1 2 3 v l 3 4 12 15 6 7 15 9 0 07
13. creen display will be appeared you need to input 828 4 Check the setting value of the SYSTEM default value of Table below If the value is different select items by CH CH keys and set value by VOL VOL keys 5 Press STANDBY key again and return to the normal screen 4 SERVICE ADJUSTMENT 1 POWER SUPPLY 1 Receive normal colour bar signal 2 Connect DC voltmeter to VD541 and isolated ground 3 Adjust potentiometer in power unit to get the voltage as 110V 1 0V for 21 inch hereinafter 130 1 0V for 25 inch upwards FOCUS ADJUSTMENT 1 Receive crosshatch signal 2 While watching the screen adjust the FOCUS VR to make the vertical and horizontal lines as fine and sharp as possible EW ADJUSTMENT only upper 25 inch 1 adjust VR433 for horizontal size to get 90 of horizontal picture contents would be displayed on CRT 2 adjust VR432 for EW parabola to straighten the vertical at the sides 3 adjust VR431 for EW trapezium to set the line at the sides vertical BUS CONTROL ADJUSTMENT 1 first color value set to 0 then Press TEST key on the Remote control unit of factory Press 0 to 9 key Mkey and corresponding on screen display will be appeared But to enter 4 9 Must input passcord 828 On TV screen TEST will be indicated this means entered bus control mode And press following key each function will be available 3 maybe intered TEST mode with remote control unit of user
14. ier and East West output or not and on some software control bits The valid combinations are given in table 1 2 the vertical guard function can be controlled via pin 49 or pin 50 the selection is made by means of the IVG bit in subaddress 2BH 11 TABLE 1 IC version FM PLL version QSS version East West Y N N N Y CMB1 CMB 0 bits 00 01 10 1 00 1 01 10 1 1 00 01 10 11 00 01 10 11 AM bits Pin 20 AVL EWD AVL EWD Pin 28 AUDEEM SIFIN1 Pin 29 DECSDEM SIFIN2 Pin 31 SNDPLL SIFAGC Pin 32 SNDIF 1 REFO 2 AVL SNDIF 1 REFO 2 AMOUT REFO 2 AMOUT REFO 2 Pin 35 AUDEXT AUDEXT 055 AMOU AUDEXT QSS AMOU T Pin 44 AUDOUT Controlled AM or audio out Note 1 When additional external selectivity is required for FM PLL system pin 32 can be used as sound F input This function is selected by means of SIF bit in subaddress 28H 2 the reference output signal is only available for the 1 setting of 0 1 for the other settings this pin is a switch output see also 5 table 67 Pin No 6 Control keys input Max Limit voltage Function POWER MENU TV AV V P P Voltage 0 0 4125 0 825 1 2375 1 65 2 0625 2 475 12 AN7522 7523 Function audio output
15. press QV key and hold 4 seconds and then press MENU key TV set may be entered TEST mode Remote Hand Unit keys M1 M2 M3 M1 menu MENU0 Geometrical adjustment Receive PAL standard Complete pattern signal Adjustment steps a Adjust V SLOPE to the center horizontal line just appeare from half bottom shadow b Adjust V SIZE to get 9096 of vertical picture contents would be displayed on CRT c Adjust V SHIFT the center horizontal line correspond to CRT vertical center d Adjust H SHIFT to get the picture horizontal center correspond to CRT horizontal center Receive NTSC signal and repeat above MO and M1 adjustment M2 Menu AGC Adjustment Receive 60dB 1mV Vy colour bar pattern signal adjust AGC value voltage from high to low to noise reduce gradually and just disappeared point M3 Menu CRTcut off and white balance adjustment Receive white signal a CRT cut off adjustment 1 Select SC then automatically vertical scan will be stopped 2 Adjust SCREEN control on Flyback transformer to get the darkest single horizontal line red green or blue sometimes shows more yellow more purple or more white b White balance adjustment 1 Select RD BD menu 2 Adjust RD BD to get colour temperature as 281 311 c Sub Brightness adjustment Use stair case signal 1 Select SB menu 2 Adjust SB to get the darkest step being cutoff 8 ICs Default Settings a TDA9370 STANDARD cord NTDA937
16. r of responsibility for personal injury or property damage resulting therefrom Many electrical and mechanical parts in the products have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety characteristics are identified in the parts list of Service manual Electrical components having such features are identified by shading on the schematics and by parts list in Service manual The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock fire or other hazards Don t short between the LIVE side ground and ISOLATED NEUTRAL side ground or EARTH side ground when repairing Some 5 power circuit is partly different in the GND The difference of the GND is shown by the LIVE side 4ND ISOLATED NEUTRAL side GN and EARTH side G Don t short between the LIVE side GND and ISOLATED NEUTRAL side GND or EARTH side GND and never measure with a measuring apparatus oscilloscope etc the LIVE side GND and ISOLATED NEUTRAL side GND or EARTH side GND at the same time If above note will not be kept a fuse or any parts will be broken If any repair ha
17. s been made to the chassis it is recommended that the B1 setting should be checked or adjusted See ADJUSTMENT OF B1 POWER SUPPLY The high voltage applied to the picture tube must conform with that specified in Service manual Excessive high voltage can cause an increase in X Ray emission arcing and possible component damage therefore operation under excessive high voltage conditions should be kept to a minimum or should be prevented If severe arcing occurs remove the AC power immediately and determine the cause by visual inspection incorrect installation cracked or melted high voltage harness poor soldering etc To maintain the proper minimum level of soft X Ray emission components in the high voltage circuitry including the picture tube must be the exact replacements or alternatives approved by the manufacturer of the complete product Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kQ 2W resitor to the anode button When service is required observe the original lead dress Extra precaution should be given to assure correct lead dress in the high voltage circuit area Where a short circuit has occurred those components that indicate evidence of overheating should be replaced Always use the 11 1
18. w SCL 2 clock line SDA 3 data line TUNING 4 tuning Voltage Vt PWM output P3 0 NTSC SW 5 Port 3 0 or NTSC output SCART SW input Forced NTSC selection Low level output otherwise High output KEY 6 Control keys input 3 VOL 7 Sound Volume control PWM output MUTE 8 Sound mute output VSSC P 9 Digit ground for p controller core and periphery BAND1 10 Tuner Band selection output BAND2 11 Tuner Band selection output VSSA 12 Analog ground of teletext decoder and digital ground of TV processor SECPLL 13 SECAM PLL decoupling VP2 14 27 supply voltage TV processor 8V DECDIG 15 decoupling digital supply of TV processor PH2LF 16 Phase 2 filter 17 Phase 1 filter GND3 18 Ground 3 for TV processor DECBG 19 Band gap decoupling AVL EWD 20 Automatic volume leveling EAST WEST drive output VDRB 21 Vertical drive B output VDRA 22 Vertical drive A output IFIN1 23 IF input 1 IFIN2 24 IF input 2 IREF 25 Reference current input VSC 26 Vertical sawtooth capacitor TUNER AGC 27 Tuner AGC output AUDEEM SIFIN1 1 28 Audio deemphasis or SIF input DECSDEM SIFIN2 29 decoupling sound demodulator or SIF input 2 GND2 30 ground 2 for TV processor SNDPLL SIFAGC 1 31 narrow band PLL filter or AGC sound IF AVL SNDIF REFO 32 Automatic Volume Levelling sound IF input subcarrier reference output audio AMOUT 1 deemphasis HOUT 33 horizontal output FBISO 34 flyback input sandcastle output
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