SERVICE MANUAL
Contents
1. Q613 FOCUS T601 R624 ST1802 100 OSD AVDDI gt UF LB 1604 SDA R139 5 6K R EN N SCREEN SCL JTRETO C136 35 4700 QU 0 220 250 E GND 2 JTDO AGND 5 C608 RI2 15K 0 1u 400V C317 R21 gt WSCF TXT VIN neay A xs602 1 1 xs003 R319 ESCR WSS xP601 a A uu R249 22K 0 0151 22 T301 27 0 2uH 228 10K AVDD3 JTMS 1601 291223 C313 C314 R141 10 T 5 474 16 DEGAUSSING COIL 2506 C246 pe wsw Title 2808 CHASSIS SCHEMATIC DIAGRAM 4700 CURED XS601 AC230V 82M 1 2W D309 A 1 C316 19302 15K 0123 134148 220p Revision C324 0 018uF RGPI5J evision ir T9 ib 200p 1 15 MARK OF CRITICAL COMPONENT Date 20 May 2007 Sheet 1 of 1 2 SUBJECT TO CHANGE WITHOUT NOTICE Described Checked Approved2. eT TTL 4 527 8 4 527 Ch1 RMS GEM CIR UAI 1 Ch 1 488 Freq E NM MU Deus DICIT e Im 15 62 2 ET uas enden end bs TP5 5Jul 2004 gt 6 00000 5 20 38 41 Trig 1 2 10V Freq ormen Geet nim cmd aed sew CS T 4 NEAL T a i E TET Tp 5 Jul 2004 2 17 500 20 28 13 ium d 4 Chl Pk Pk 1 5 96 Ch1 Freq eS ben bm of ae newts aen dide cid s i 5 Jul 2004 gt 6 00000ms 20 33 58 Trig 1 Chi 472v Ch1 Freq g m e 15 62 Ch1 I TP6 5Jul 2004 gt 6 00000ms 20 39 18 18 gt gt lt lt Ch1 RMS 3 20 V Ch1 Pk Pk 5 08 V chi Freq 50 20 2 ATG Chi Fa 6 00000 1 5Jul 2004 20 39 56 JA 4 00V 16 4 00 Ch1 RMS 3 57 V Ch1 1 26 chi Freq 50 47 2
3. Analog Right SCARTI Analog power supply 33 Power supply for audio DACIADG 10 ima fOssusmadrqes 5 3 Block diagram 211 E Ow DES c P 2 9 00 9 m m 72 5 82 6 Headphone Detection 25 Interface Interface Bus Expander Interrupt Request Demodulation Audio Processing Loudspeaker Audio Processing Multi Standard Volume Control ST WideSurround Stereo 97 Sound IF iei gt 5 Equalizer Loudness Subwoofer Output 2 Digital Subwoofer and NICAM Audio Audio Processing Headphone Matrix Vol Low Noise Smart Volume Control Stereo 2 Bal Audio Mute Bass Treble and Beeper D A Audio Matrixing Audio Mute Low Noise lt Audio Mute L Mono In Source Preprocessing Input SCARTs Output Scarts Power Supply Management DC Regulators Standby mode K9650M SCARETI 2 AUDIO OUT SIF IN SCARTI 2 AUDIO IN NICAM DECODER SIWwGzlo WICC SCAR TIA AUDIO IN RGB AMPLIFIER AUDIO AMPLIFIER 07321 9 IION CORRECTION VIDEO GUT RGB IN IF VIDEO CHROMA DEFLECTION PROCESSOR SCARIIUCWVES H FLY RACE SCARTI SCAR ID SCART ID H
4. 6 2 ADJUSTMENT When Service 1 menu if OK key is pressed Service 2 menu appears the display is as follows The parameters controlled in the Service 2 menu are a Tuner AGC 0 63 b Horizontal position 50 Hz 0 63 C Vertical position 50 Hz 0 15 d Vertical amplitude 50Hz 0 63 e Vertical linearity 50Hz 0 63 f Horizontal position 60 Hz 0 63 0 Vertical position 60 Hz 0 15 h Vertical amplitude 60 Hz 0 63 i Vertical linearity 60 Hz 0 63 j Sub Bright Maximum 0 63 Sub Bright Minimum 0 63 Sub Tint 0 63 m Coarse 0 15 n VCO Fine 0 127 VCO Coarse L1 0 15 STATUS OK VCO Fine L1 0 127 13 display of Service 2 menu is showed as shown The VCO status bar at the bottom of the screen appears only if either VCO item VCO Fine item is selected The VCO status is read from the Read register of STV223X 4X and guides whether to Increase Decrease the VCO registers to attain VCO OK Status For doing VCO adjustment Feed a 38 9MHZ Carrier as IF input and adjust VCO Coarse and fine parameters to get VCO OK Status If the cursor is in VCO Coarse or Fine and the display shows VCO OK status then pressing of AV key will automatically put VCO fine to the Centre of the 460 to 60 KHz window For doing VCO L1 adjustment Feed a 33 9 MHZ carrier as IF input and adjust VCO Coarse L1 and V
5. ________ 0 3 spa fcBs m 2 4 se s 0 7 0 Vekeopt 0 0 vos Vertical output Power Suppy 7 42 SENS2 Verical curentsenss2 3 3 Block diagram HORIZONTAL 1 2 3 4 5 7 10 11 12 8 GND SYNC RAMP 6 OVERSIZE GENERATOR 5 9306 CHOLD 4 CD7522CS The CD7522CS is a stereo 2 3W BTL audio amplifier specially designed for high quality sound TV applications Features of the CD7522CS include Stand by and Volume control functions 4 1 Main feature 2x3W output power RL 80 QTHD 0 5 10V Standby and volume control function Low turn on turn off pop noise Low voltage supply lt 14V Thermal overload protection 4 2 Pin description audio output 8 opt 9 Vol DC volume contol 0 078 4 3 diagram pu de p p Output Standby 7 Volume ch I Input ch ch 2 Output chl Output 1 Output ch 1 Output ch 2 Output ch 5 5 8216 This chip included three parts TV Sound Demodulator provides all the necessary circuitry for the demodulation of audio transmissions of European and sian terrestrial TV broadcasts Th
6. 20 0 5 chi 7 RTT 10 00 96 9 8 2004 09 46 46 15 0 10 15 0 Ch1 RMS 12 8 V Ch1 13 5 V Freq m HM No period found M 2 00 8 66 V TP11 6Jul 2004 18 42 43 oo oo lt lt NOR Ch1 RMS 7 01 Y Ch1 8 70 V Freq ee No period found chi 7 00 V TP13 6Jul 2004 18 44 16 19 09 00 lt lt Ch1 RMS 2 93 2 24 V Freq 73 92 2 20 05 SINE 10 00 8 8 2004 09 46 03 Tek Stop Ch1 2 08 V Ch1 Freq 74 69kHz 20 05 f 2 36 v 11 10 00 56 10 8 2004 09 48 02 IN oo lt lt Ch1 RMS 10 9 Ch1 14 2 Ch1 Freq 18 01 Hz M 200 5 a chi 7 56 V TP12 6Jul 2004 18 43 32 JA 5 00 10 5 00 Ch1 RMS 4 30 V Chi 5 14 V Ch1 Freq period found TP 14 6 Jul 2004 18 45 03 Tels Roll e oo oo lt lt Ch1 RMS 4 98 V Ch1 260mV Freq ref crossing 0 137 15 6 Jul 2004 18 45 50 4 140 10 140 Ch1 RMS 128 V 45 0 Freq em No period found Chi 7 0 569 17 6 Jul 2004 18 47 45 4
7. Chi Freq 15 63kH2 20 0 5 chi J 10 zv 1 50 40 TP27 6Jul 2004 19 02 51 Run 1 34 1 34 Ch1 RMS 372V Ch1 Pk Pk 1 42kV Chi Freq 15 64kH2 7720 M40 088 CIF 29 00 TP29 7 Jul 2004 19 38 05 21 n oo lt lt Ch1 RMS 10 2V Ch1 14 1V Ch1 Freq 150 3 H2 EEX 10 a chs 50 40 TP24 6 Jul 2004 18 59 49 Chi RMS 6 46 V Ch1 24 8 V Chi Freq 15 62 2 10 V A CRIT 11 50 40 26 6 2004 19 01 24 174 174 Ch1 RMS 21 294 Ch1 179 V Chi Freq 15 62 2 104 11 50 40 28 6 2004 19 04 33 C423 1u 50V T2808 CHASSIS SCHEMATIC DIAGRAM 27 101 7522 5 100K C415 C420 C416 C419 C422 SCL 330p 330p 330p 330p 330p 90 R44 1407 15uH 8 R413 10K C424 TILES 17 220 R412 10K H C414 1u 50V R415 R807 X801 823 22 R813 33 474 16 707 0 47 10u 16V 4 ins C401 C406 402 C405 z 2 5 a 330p 330p 330 330p gt lt 5 8 2 C403 C408 404 C407 I 1 330p 330p
8. 330 330 m 1 HH R sPK 5 5701 708 0 10 l 9 2501 174007 Bl oj e T 5 S TSTSTSTS C511 0504 C817 C819 C702 R701 680 144007 810 809 10u 16V 10u 16V 4 7K u 0701 072 28 1015 Col6 1506 2581815 47 680 14007 R702 E a2 808 811 R809 18K 55 32 5 Fes 0 10 10u 16V 0 1u 10u 16V R811 gt F TAS B 55 V A d 2 0507 V C521 2200 2 2 15 Rso7 47 0207 1 28 1815 R514 10 i I 1 5 6V 70501 3 d Q503 28 1015 gt 0504 5018508 4 7K 472 BF422 Y 05017 m 2 N a R502 100 28 1815 47u 16v CI A TINI R509 510 100 8 L3 r 3 100 pU R518 Fr z 8516100 505 510 C515 330 680 680 1 1 680p L3 R526 22 506 100u 16V 1 12201 STV2248 AUDIO OUT 2 IC103 D111 SW3 SW3 SW3 SW4 SW5 SW6 HS0038 IZ Pe V V AGCSIFCAP VREF IF AGCPIFCAP AGC OUT AM FM OUT CVBS IN T TIT 222 223 C224 C209 14 50 10u 16V 0 022u 1u 50V R074 R074 R074 R075 R072 R073 3 9K 3 9K 3 9K 62K 1K 22K IC301 5 9306 1u 50V
9. 4 84V 16 4 84 Ch1 RMS 4 73V Ch1 5 14 Y Freq 50 00 Hz 4 con A s A 2 58 V gt S 80000ms IPIS 6Jul 2004 18 51 52 1 201V 10 201 Ch1 RMS 162 Ch1 115 Chi Freq 76 84 2 150 10 05 A Fy gt S 80000ms 21 6 2004 18 55 32 20 AA oo lt lt Ch1 RMS 23 5 V Ch1 Pk Pk 13 Freq rc H No period found a Chi 4 6 00 V TP16 6 Jul 2004 18 46 43 e lt lt Ch1 RMS 4 34V Ch1 3 08 V Freq S Ha No period found ST F 0 00 18 6Jul 2004 18 49 17 JA 5 92 10 5 92 Ch1 RMS 2 36 Chi 6 64 V Chi Freq 15 62 2 40 05 us 7 2 88 v ii 8 80000ms TP20 6Jul 2004 18 53 04 201 10 201 Ch1 RMS 155 Ch1 108 V Chi Freq 15 63 2 142 M 20 05 A chi 7 8 80000ms TP22 6Jul 2004 18 56 05 J 201 16 201 Ch1 RMS 159 Ch1 106 Ch1 Freq 26 05kHz 193 V 20 05 ch d 30 40 TP23 6Jul 2004 18 58 05 2133 4A 52 8 10 52 8 Ch1 RMS 15 4 Ch1 32 4 V Chi Freq 50 00 H2 oms Chr 7 34 x 50 40 TP25 6Jul 2004 19 00 32 JA 26 9 V 16 26 9 Ch1 RMS 1 89 Ch1 241 3 V
10. 7 011 C219 CHOLD SYNC FLYBACK EWOUT SENS2 EWSENS SENSI BREATH 10uH 0 lu SF201 K9650M R335 R324 C233 100f 168K 307 R320 470u 16V 22K Q201 L202 1000 R171 10K 28 1815 0 56 FR 306 C308 310 10000 16 0 033 4 7u 160V ZD301 43V STDBY LED NC STDBY LED STD BY OSC 14 250 LJ R312 1K D D305 RSS 10K RGPI5J SERVICE OSC SCARTI ID VOL PWM IC601 2 SCART2ID VLIN PWM 1 817 12 g 1 606 C658 1 603 675 C318 470p 500V _7812 220u 16V 7808 474 16 603 606 0603 0607 Vin Vout Vin Vout 1000p IKV 607 ND C319 C603 D603 D605 C605 1004 400 2 i C674 D308 10u 250V TP26 151 R399 3 5 51 C632 1 604 7805 47 16 T302 18102 Vin Vout NEUE Lg co PN 2 24 08 PIF SW 5 GND HV 1u 50V RST 0 22u 250V R123 10 14148 5 70102 606 0606 0604 604 Ti OSDB BSWI 51V 602 C613 R622 C616 pao 2218 IK OSD G V SYNC 4700 1N4148 15K 1000 2KV 0102 01 15 a 106 28 1015 14148 lt OSDR HSYNC
11. 0 then the TEXT languages like ENGLISH RUSSIAN BULGARIAN HUNGARIAN TURKISH GERMAN PORTUGUESE SPANISH ITALIAN RUMANIAN be decoded 3 If b1 0 b2 1 then the TEXT languages like POLISH RUSSIAN BULGARIAN SWEDISH SLOVAK GERMAN SLOVENIAN LITHUANIAN RUMANIAN can be decoded 4 f b1 b2 71 then the TEXT languages like POLISH RUSSIAN BULGARIAN SWEDISH CZECH GERMAN CROATIAN LETTISH RUMANIAN can be decoded B for 12 OSD languages CPU ST92195C7B1 MNU and ST92195C7B1 MOK SHRINK VERSION for Western Europe the setting of the b1 and b2 is as below 1 If b1 b2 0 then the TEXT languages like ENGLISH FRENCH FINNISH CZECH GERMAN PORTUGUESE SPANISH ITALIAN GREEK can be decoded 2 If b1 1 b2 0 then the TEXT languages like ENGLISH FRENCH DANISH NORWEGIAN GERMAN PORTUGUESE SPANISH ITALIAN GREEK can be decoded 3 If b1 0 b2 1 then the TEXT languages like POLISH FRENCH SWEDISH CZECH HOLLAND SERBIAN ITALIAN RUMANIAN can be decoded 4 f b1 62 1 then the TEXT languages like POLISH FRENCH SWEDISH CZECH GERMAN PORTUGUESE SPANISH LETTISH RUMANIAN can be decoded ST Text 00 is used to change the process for adjusting Auto gain 1 When CPU ST92195C7B1 MOK is used the 00 is suggested to set to 0 the gain table for shrink version should be selected 2 When CPU ST92195C7B1 MNU is used the bO is suggested to set to 1 the gain table for normal version will be sele
12. DRIVE H DEFLECTION CONTROLLER 2 STANDBY blad SMPS 5 MCU 92195 12 VI S E RVI C E M O D E DJ U ST 2 lt The Service 1 mode is entered by pressing the SERVICE key on remote control when the is condition not in Menu mode In service mode by pressing key Service 2 is accessed by 9 pressing key again Serivice 3 is accessed By pressing PP key C 1 C 2 3 4 exit Service mode 6 1 WHITE BALANCE ADJUSTMENT amp C309 The items within the Service 1 mode can be accessed using P P keys P 1 the selected item modified by using V V keys parameters controlled the Service 1 menu i e Red Gain 0 63 VOL b 0 127 i P3 RECALL SLEEP STATUS o FN FN ce STOP REVEAL SIZE MIX C Green Gain 0 63 d DC Green 0 127 e Blue Gain 0 63 f DC Blue 0 127 CC g APR threshold 0 15 CANCEL SUBCODE INDEX h LOGO the first show the length of logo and the followed is the J logo 7 i R Cutoff 0 63 E j G Cutoff 0 63 display of 5 1 menu is showed as follows
13. the item LL1 MAGC is set to ON the SIF AGC of STV8216 can be set manually The following steps can be followed when set this item 1 To get a RF SECAM LL 1 signal without sound modulation only sound carrier is available And put the signal to input of tuner in CTV 5 chassis 2 To press SERVICE key on remote control to enter service menu And select the item LL1 MAGC by P or P key on remote control Set the item LL1 from OFF to ON by V or V key on remote control service command 1 PP exit 2 switch between the service menu 17 3 VCO adjust 4 one line Enter service menu with user remote control 1 Press key Sleep on remote control to set sleep time to 00 50 2 Within 5 seconds press local key V in TV set to enter service menu 3 Adjust expecting item as the same as service remote control VI TEST POINT WAVE FORM amp SCHEMATIC DIAGRAM Chl 210 Freq 0 YN TP 1 5Jul 2004 2 7 800 20 25 55 BED M 3 44V 10 3 42 Chl Pk Pk 3 1 92 Freq 15 63kHz Ch1 0 IU i TP 2 5 Jul 2004 17 800 20 32 29
14. 31 vb VD s5VDigtalSupy 22 23 wscr WSCF Analog Pin For VPS WPP slicer line 24 WSCR Analog Pin For VPS WPP slicer line PLL 25 AVDD3 AVDD3 5V Analog VDD For PLL 26 TESTO TESTO 27 MCFM MCFM Analog Pin for display pixel freq multiplier 28 Test Pin 29 1 AnalogpinforVPS WSSlinePLL ___ 30 cveso 31 AVDD2 2 32 sms Test Pin 33 cves2 cvsBs2 CVBShfoVPS WSS 00000 34 cvesi I CVBS Infor Teletext Slicer 35 AGND ground 36 GND 37 JTRSTO 38 PXFM Analog Pin for display pixel freq multiplier _ 39 AVDD Analog Power Supply 40 HSYNC Sync input EN VSYNC VSYNC EN Vertical Sync Input 43 4 1 BSW2 Band switch 2 saw swt SAW iter swten 7 45 NC o f Notcomected 46 244 SAWSW2 O SAWFilterswitch2 LE Li Vlin PWM V linearity PWM output mz vow 0 vor Pim ouput 80 Clock oscillator 851 xa Clock oscillator 82 P25 LED O LED driver Wm m NN LED d
15. A8174A for a 90 chassis STV9306 for 110 chassis they allow multi standard BG DK I MN LL PAL SECAM NTSO sets to be designed with very few external components and no manual adjustments 2 1 Main features 2 Bus Control PIF Circuit with PLL Demodulation Positive and Negative Video SIF Circuit with QSS Structure FM Demodulation and AM Demodulation for France Intercarrier Capability and Built in Sound Band pass Sound Subcarrier Output for Stereo Chassis FM NICAM Integrated Chroma Filters and Luma Delay Line and Integrated Chroma Delay Line 3 channels input Video Switch and 2 channels CVBS output OSD RGB Inputs and external RGB Inputs Interface PAL SECAM NTSC Chroma Demodulators Black Stretch and peaking Circuit Automatic Cut off Current Loop manual Cut off possible for low cost applications Two Horizontal Deflection PLLs APR Automatic RGB Peak Regulation or RGB Peak Limitation Function 2 2 Pin description Vere Votege reference fter 0 7 T lt 2 lt 25 26 6 2 2 0 1 22 NO CLPF Chroma PLL filter XTAL1 control pin vertical amplitude DAC output and chroma X1 VAMP CHROUT reference signal output GND1 Chroma scanning ground CVBSOUT2 Second video switch output Chroma scanning power supply 8V 46 BCL SAF Beam current limiter control voltage and safety input X ray 47 VERT Vertical ou
16. CO Fine L1 to get VCO OK Status If the cursor is in VCO Coarse L1 or Fine L1 and the display shows VCO OK status then pressing of key will automatically put VCO fine for L1 to the Centre of the 460 to 60 KHz window Another fast way of adjustment of VCO is to put the selection bar to either VCO Coarse or fine and press the AV key The VCO adjustment is done automatically Similarly if you put the selection bar to VCO Coarse L1 or Fine L1 and press the AV key the VCO L1 adjustment will be done automatically NOTE Below items are not used in this chassis Vertical position 50 Hz Vertical amplitude 50Hz Vertical linearity 50 2 Vertical position 60 Hz Vertical amplitude 60 Hz Vertical linearity 60 Hz 6 3 STV9306 ADJUSTMENT When in Service 2 menu if OK key is pressed Service 3 menu appears and the display is as follows if the IC STV9306 has not been detected then Service 4 design menu menu will appear 1 Vertical amplitude for 50 2 signal 2 Vertical amplitude for GOHz signal 3 Vertical shift internal separated by 50Hz and 60Hz 4 S Correction 5 C Correction 6 Horizontal width adjustment 7 Pincushion Correction 8 E W Sharp Correction 9 Trapezium Correction 14 6 4 DESIGN OPTION SETTING When in Service 3 menu if key is pressed Option menu appears and the display is as follows AGC Gain OPTION1 67 Over modulation 0 Disable 1 Enable it s suggested to
17. COLOR TELEVISION SERVICE MANUAL 21 2508 CHASSIS WITH NICAM amp TELETEXT CONTENTS SAFETY PRECAUTION 1 SPECIFICATION 2 IC S GENERAL DESCRIPTION 3 IV SPECIAL IC INTRODUCTION 3 V CHASSIS BLOCK DIAGRAM nennen 12 VI SERVICE MODE amp ADJUSTMENT 13 TEST POINT WAVE FORM amp SCHEMATIC DIAGRAM 18 SAFETY PRECAUTION 1 X RAY RADIATION PRECAUTION 1 1 Excessive high voltage can produce potentially hazardous X RAY RADIATION To avoid such hazards the high voltage must be specified limit The normal value of the high voltage of this receiver is 27KV 500 under 230V AC power source The high voltage must not exceed 30KV 1 2 Each time a receiver requires servicing the high voltage should be checked following the HIGH VOLTAGE CHECK procedure in this manual It is recommended the reading of the high voltage be recorded as a part of the service record It is important to use an accurate and reliable high voltage meter 1 3 The primary source of X RAY RADIATION in this TV receiver is the picture tube For continued X RAY RADIATION protection the replacement tube must be exactly the same type tube as used in this TV receiver 1 4 Some parts in this receiver have special safety related characteristics for X RAY RADIATION protection For continued safety parts replacement should be undertaken only after referring the PRO
18. DUCT SAFETY NOTICE below 2 GENERAL SAFETY PRECAUTION The following are the necessary precautions to be observed before servicing this chassis WARNING Service should not be attempted by anyone unfamiliar with the necessary 2 1 Since the power supply circuit of this receiver is directly connected to the AC power line An isolation transformer should be used during any dynamic service to avoid possible shock hazard 2 2 Always discharge the picture tube anode to the CRT conductive coating before handling the picture tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled Use shatterproof goggles and keep picture tube away from the unprotected body while handling 2 3 When replacing a chassis in the cabinet always be certain that all the protective devices are put back in place such as nonmetallic control knobs insulating covers shields isolation resistor capacitor network etc 2 4 Connection wires must be kept away from components with high voltage or high temperature 2 5 When replacing parts or circuit boards disconnect the power cord 2 6 When replacing a high voltage resistor metal oxide resistor on circuit board keep the resistor APP 10mm 1 2 in away from circuit board 2 7 If any fuse in this TV receiver is broken replace it with the FUSE specified in the chassis parts list 2 8 The receiver is designed to operate with 230V 50Hz AC mains 3 PRODUCT SAFETY NOTICE Many
19. N depend on the solution of chassis b3 RGB 0 OFF 1 ON depend on the solution of chassis b2 SVHS 0 OFF 1 ON depend on the solution of chassis b1 AV2 0 OFF 1 ON depend on the solution of chassis 15 00 AV1 0 OFF 1 depend on the solution of chassis 5 There 8 bits used in OPTION 5 They b1 52 53 04 55 66 b7 For 00 normally ST suggests to set it to 0 For b1 b2 they are used to select teletext languages For b3 it s used to enable AV3 and SVHS When b3 is set to 0 SVHS is enabled When b3 is set to 1 in binary the value is 8 in decimal AV3 is enabled For 04 b5 b6 and 67 of OPTION 5 are also used to set the brightness of background in teletext mode When 04 b5 56 b are all set to 0 the brightness of teletext background is the same as brightness of TV background When b4 b5 b6 and b are all set to 1 it s the maximum brightness of teletext background It s the minimum brightness of teletext background when b4 is set to 1 and b5 b6 and b are all set to 0 you can set these 4 bits according to your favorite brightness of teletext background A for 11 OSD languages CPU ST92195C7B1 MNS and ST92195C7B1 MTH for east Europe the setting of the b1 and b2 is listed as below 1 If b1 62 0 then the TEXT languages like ENGLISH FRENCH SWEDISH CZECH GERMAN PORTUGUESE SPANISH ITALIAN RUMANIAN can be decoded 2 1 b1 1 b2
20. al 04 b5 b6 67 of SndSt 1 are used to set the SURROUND gain at pin 26 and pin 27 of STV8216 with RF amp signal When 04 b5 b6 b7 of SndSt 1 are all set 0 the minimum SURROUND gain will be got at pin 26 and pin 27 of STV8216 with RF amp AV signal When 64 65 b6 67 of SndSt 1 are all set 1 it s 240 in decimal The maximum SURROUND gain will be got at pin 26 and pin 27 of STV8216 with RF signal SndSt 2 00 b2 b2 b3 of SndSt 2 are used to set the sound output level at pin 26 and pin 27 of STV8216 with AV signal When bO 52 02 b3 of SndSt 1 are all set 0 the minimum sound output level will be got at pin 26 and pin 27 of STV8216 with AV signal When b2 b2 b3 of SndSt 1 are all set 1 it s 15 in decimal The maximum sound output level will be got at pin 26 pin 27 of STV8216 with AV signal 04 b5 56 67 of SndSt 2 are used to set the EQUALIZER gain at pin 26 and 27 of STV8216 with RF 8 signal When 04 65 66 b7 of SndSt 1 are all set 0 the maximum EQUALIZER gain will be got at pin 26 and pin 27 of STV8216 with RF amp AV signal When 04 b5 06 67 of SndSt 1 are all set 1 its 240 in decimal The minimum EQUALIZER gain will be got at pin 26 and pin 27 of STV8216 with RF amp AV signal LL1 MAGC Just for SECAM LL1 SIF AGC setting purpose in STV8216 No available for PAL and NTSC system When the item LL1 is set to OFF the SIF AGC of STV8216 is set by software When
21. cted 01 02 63 select the correct process only for ST engineer adjustment ROM M6 P valid OSDEPROM M6 R valid ROM M6 R valid EPROM M6 R valid EPROM M6 R valid ROMLESS H5 P valid ROM H5 P valid EPROM M6 A valid note ROMLESS M6 valid ROM M6 valid 64 Color transition for SVHS of 5 224 0 b5 is available 1 b5 is not available and SHARPNESS is no feature 05 0 STV224XH 1 STV224XC D E 16 06 Tuner Drift Correction 0 OFF 1 67 RGB DVD display on screen 0 RGB 1 DVD HPOS OSD Adjust horizontal position of OSD VPOS OSD Adjust vertical position of OSD HPOS TXT Adjust horizontal position of teletext VPOS TXT Adjust vertical position of teletext HOTEL MODE To set HOTEL MODE ON or OFF When HOTEL MODE is enabled The end user can not make any adjustment of items in menu INSTALL AUDIO and ORGANIZE Menu INSTALL and AUDIO will disappear automatically Volume Limit To set maximum volume of HOTEL MODE It s only available when HOTEL MODE is enabled 1 00 b1 02 b3 of SndSt 1 are used to set the sound output level at pin 26 and pin 27 of STV8216 with RF signal When 1 02 b3 of SndSt 1 are all set 0 the minimum sound output level will be got at pin 26 and 27 of STV8216 with RF signal When bO b1 52 b3 of SndSt 1 are all set 1 it s 15 in decimal The maximum sound output level will be got at pin 26 and pin 27 of STV8216 with RF sign
22. e various transmission standards are automatically detected and demodulated without user intervention Audio Processor based on DSP technology independently controls loudspeaker subwoofer and headphone signals It offers basic and advanced features such as a ST Wide Surround Equalizer Automatic Loudness and Smart Volume Control for television viewer comfort The STV8226 36 versions can perform additionally the SRS 3D Surround for stereo and mono signals Audio Matrix 3 stereo and 1 mono external analog audio inputs to loudspeakers and headphone with 2 stereo external analog audio outputs SCART compatible 5 1 Main features NICAM AM FM Mono and FM 2 carrier stereo demodulators for all sound carriers between 4 5 and 7MHz Mono input provided for optimum AM demodulation performances Demodulation controlled by automatic standard recognition system Sound IF AGC with wide range over modulation and carrier offset recovery Smart volume control smart volume control 5 band equalizer bass treble control automatic loudness control Loudspeaker and Headphone outputs with volume balance controls and beeper Subwoofer output with volume control and programmable bandwidth spatial Sound Effects ST Wide Surround Pseudo Stereo low noise audio mutes and switches Bus controlled single and standard 27 MHz crystal oscillator Power supplies 3 3V Digital 5V or Analog embedded 3 3V regulators 5 2 Pin description monon
23. electrical and mechanical parts in this chassis have special safety related characteristics are often passed unnoticed by a visual inspection and the X RAY RADIATON protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire X RAY RADIATION or other hazards Warning There are no any repairable components in this TV set Do not try to make any change to it High voltage inside may cause danger Il SPECIFICATION RF SYSTEM COLOR SYSTEM PAL SECAM SOUND SYSTEM B G D K NICAM STEREO VIDEO SYSTEM PAL SECAM 5 4 43 TUNING SYSTEM VOLTAGE SYNTHESIZER TUNING VHF L E2 6 48 25 MHz 140 25MHz RECEIVING CHANNEL VHF H 57 536 147 25 2 423 25 2 UHF S37 DS57 431 25 MHz 863 25MHz 1 SIDE RCAAV IN AV JACKS 1 FULL SCART AND 1 AV SCART TELETEXT 1PAGE ANTENNA INPUT 750 UNBALANCE MAIN POWER 170 260V AC 50 60Hz POWER CONSUMPTION 100W GENERAL DESCRIPTION 1 MAIN BOARD PART 101 STV2246 BUS Controlled Multistandard Single Chip TV Processor 5 9306 604 805 5V VOLTAGE REGULATOR 606 MC7812CT 12V VOLTAGE REGULATOR 01 CD7522CS 3W AUDIO AMPLIFIER 801 STV8216 Multi standard TV Audio Processor and Digital Sound Demodulator IVCHIP INTRODUCTION 1 ST92195 The ST92195
24. microcontrollers are developed and manufactured by STMicroelectronics using a proprietary n well HCMOS process Their performance derives from the use of flexible 256 register programming model for ultra fast context switching and real time event response The intelligent on chip peripherals offload the ST9 core from and data management processing tasks allowing critical application tasks to get the maximum use of core resources TheST92195 MCU support low power consumption and low voltage operation for power efficient and low cost embedded systems 1 1 Main features 28 fully programmable I Os 4 channels Analog Digital Converter Built in bus interface Built in OSD and Teletext decoder 14 bit Voltage Synthesis PWM output for VS tuning system 1 2 Pin description P2 0 IRIN IR Input 2 _ 3 NC 10 0202 4 Mute Output PIN DESIGN Service menu control ez scar ently scart entering 9 SCART2 identify scart entering Design e ms 0 1 Ps4 o o 00 _ B B O OSD Blue colour Signal Output ____ 16 0 OSD Green colour Signal Output v7 R R 0 OSDRed colour Signal Output 18 BLANK BLANK O OsSDBlangOutpu _____ 20 Po 50 ine 2
25. river 2 3 VST Voltage ouput e Not connected 56 P21 KBINPUT I KEY Input 1 3 Block diagram Up to 96 Kbytes ROM porto K 8 _ gt P0 7 0 256 or 512 bytes RAM 2 2 lt 6 P2 5 0 porta 4 23 4 lt 256 bytes Register File 8 16 011 CPU MMU INT 4 INT2 Interrupt INTO Management K 2 gt P5 1 0 TXCF MEMOR Y BUS CVBS1 579 CORE OSCIN 5 RESETO 16 BIT VPS WSS TIMER WSCR WATCHDOG lt SLICER E REGISTER BUS SDO SDI i SOK 8 2 2 TIMING AND CLOCKCTRL ONTROL ___ gt pen etes FH VSO 2 a VOLTAGE SYNTHESIS 2 S RIGIBIFE STANDARD DISPLAY 18 9 SDAT SCL SDA2 SCL Ko WM Di CON PwMJ 0 VERTER 1 4 General application description BAND SWITCH OUTPUT Pin42 Pin43 Pin42 BSW1 Pin43 BSW2 SELECTED BAND 1 VHF L 1 0 VHF H KEYBOARD INPUT LEVEL Pin56 4 282 4 682V OK 86 5 K ohm TV AV SELECTION Pin11 Pin12 sem 1 StPma 0 STANDBY OUTPUT Pin6 ___ 2 STV2246H The STV224XH is fully bus controlled IC for TV that include PIF SIF Luma Chroma and Deflection processing functions Used with a vertical frame booster TD
26. set it to 0 normally P N S crystals application 0 2 Crystals 1 1 Crystals according the quantity of crystal used for color decoding in chassis b4 Cutoff Loop 02 OFF 1 it s suggested to set it to 1 normally b3 Safety Reset O Active 1 it s suggested to set it to 0 normally b2 IN 0 OFF 1 Depend on the sound decoding solution used in chassis b1 Sound Demodulation 0 Intercarrier MONO 1 QSS NICAM depend on the sound decoding solution used in chassis 00 logo display 0 OFF 12 ON it s suggested to set it to 0 normally OPTION set to 0 by default b5 HALF CONTRAST 0 OFF 1 04 Color 6dB 0 OFF 1 03 APR Feature 0 ON 1 OFF b2 Black Stretch 0 ON 1 OFF b1 Auto Flesh 0 ON 1 OFF 00 Coring 0 ON 1 OFF OPTIONS b7 SMART 0 OFF 1 ON it s suggested to set it to 1 normally 65 AVL 0 OFF 1 ON it s suggested to set it to 0 normally 04 PIF overmodulation 0 OFF 1 ON it s suggested to set it to 0 normally b3 Market_France secam LL 0 OFF 1 ON depend on the solution of chassis b2 Manual Auto cutoff 0 Manual 1 Auto cutoff depend on the CRT for chassis b1 Mute pin low high to control the mute of speaker 0 low 1 high depend on the solution of chassis OPTION4 b6 WIDE MODE 0 OFF 1 it s suggested to set it to 0 normally b4 2 0 OFF 1 O
27. tput pulse Horizontal output pulse Line flyback input and super sandcastle output scanning PLL filter Bus clock input Bus data input Digital supply voltage 5V Digital ground Main audio output FM demodulation capacitor LNOSSAILNI ENISGADIA 582 LLOOSSAJ 28 LN ZLNOSEAD 21 99 19 LX3H c e BLACK STRETCH PIFIN1 LUMA PIFIN2 PEAKING gt t 3 ATRIX APR AGCPIF CAP CHROMA FBOSD HC TUNERAGCOUT TRAP ROSD BCL SAF NTBC ra NTBC CUT OFF BLANKING NTBC 32 ROUT GOUT Veep GNDD BOUT VecIF VERT Veet AUTO IDENT 1stLOOP 2nd LOOP 7148 HOUT KILLER d V PALINTSC 1 DEM ODULATOR GND2 49 lt o 0 B 2 s 2 1 3 5 9306 The 5 9306 is a fully controlled vertical deflection IC designed forusein110 4 3 16 9 CRT applications It integrates both the vertical deflection and E W correction circuitries necessary in design of a 110 chassis E 3 1 features Fully controlled Internal flyback generator 6 and DC Coupled operation Self adapted sawtooth 50 60Hz Vertical linearity amplitude and centering adjustments Horizontal width pincushion trapezoid and corner adjustments Breathing correction 3 2 Pin description 1 2 __
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