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Confidential

TMPA8873PSNG /CMNG /CPNG /CRNG /CSNG

2005/03/29

28

Pin

No.

Pin Name

I/O

Function

Interface Circuit

63

P30
(INT3)
(RXIN)

I/O

(Input)
(Input)

External interrupt input
Remote control signal
preprocessor input

63

9

4

1kΩ

Disable

Initial"Hi‑Z"

64

P63
(LED2)

I/O

(Output)

LED output

64

9

4

1kΩ

Disable

Initial"Hi‑Z"

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Содержание 14N23

Страница 1: ...SERVICE MANUAL MODEL 14N23 CHASSIS M123SP...

Страница 2: ...of uninsulated voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to the person The exclamation point within an equilateral triangle is i...

Страница 3: ...nnel 8 Do not subject your television set to impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not...

Страница 4: ...porting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrode and requirements for the...

Страница 5: ...21 If you are unable to restorenormal operation by following the detailedprocedurein your operating instructions do not attempt any further adjustment Unplug the set and call your dealer or service te...

Страница 6: ...n Others Blue mute Picture Control General Brightness X Sharpness X Contrast X Tint X Color X Picture Control Special Smart Pictures modes 4 VM Color Temperature X Others Picture Noise Reduction Pictu...

Страница 7: ...gical clock Calendar X Clock X Channel Skip Channel Swap Channel Adjustment 1 Channel Naming Channel Lock Child Lock X Favorite Channel X Game X Hotel Mode High Sensitive Notebook X On Off Timer X Pan...

Страница 8: ...Cinch CVBS Mono In Y C Cinch CVBS Mono In Cinch CVBS Stereo In Cinch CVBS Stereo X In Cinch CVBS Mono In Cinch CVBS Mono Out Cinch CVBS Stereo Out Cinch CVBS Stereo X Out Cinch CVBS Mono Out Cinch CVB...

Страница 9: ...English Indication on BACKOVER Made in in family sheet X FCC Elect Shock Caution Label FCC Elect CE Elect Shock Caution Label CE Elect Warning Label Others Approbation FCC FCC FDA FDA UL CUL UL CUL CB...

Страница 10: ...NTRAST SUB TINT AND SUB COLOR FOR NSTC AND PAL SIGNAL 4 2 WHITE BALANCE ADJUSTMENT NORMAL 8 5 ADJUSTMENT OF SUB BRIGHTNESS 8 6 PICTURE GEOMETRIC ADJUSTMENT 8 7 X RAYS OVER VOLTAGE PROTECTING CIRCUIT T...

Страница 11: ...arameter you want to adjust Press VOL VOL to change the parameters To quit factory mode press D MODE button on the right of SURR button the factory data changed will be memorized A few special modes A...

Страница 12: ...Apply 8 scale gray signal 80dB and then adjust AGC data in D mode until the synchronization signal distortion appear exactly Test Pin 1 of TU101 IF output and record the voltage value as V2P P Illustr...

Страница 13: ...2 0V P P as shown below 4 Select COLC to adjust the color by tuning the amplitude of a and d to the same 5 Select TNTCV T to adjust the tint by tuning the amplitude of b and c to the same 6 Apply the...

Страница 14: ...C BD C for cool temperature into memory 5 Adjustment of Sub brightness Apply the Grey scale Color bar NTSC signal to the AV input in normal status Enter factory alignment menu 8 Select BRTS to adjust...

Страница 15: ...r it is disqualification 9 PS power test Random test Instruments Power meter Input signal pattern Color bar Sound 1KHZ 100 modulation Input signal intensity 60dBuv 1 Mv rms Test points find the graphi...

Страница 16: ...to the 2 ends of CRT glowers test the heater voltage of highest CR and Brightness It should meet 6 3 0 3Vrms 12 CCD and VOL CHIP function test VOL CHIP and CCD function test please find the service ma...

Страница 17: ...T3 SV3 SV4 SVD ASSH SHPX SHPN M123SP 1B 1B 1B 1B 07 1A 1A 20E10 1B 1B 1B 1B 07 1A 1A FAC 07 Data Model MOD1 MOD2 MOD3 OPT OPTM1 OPTM2 HDCNT HSTOP M123SP 60 F3 88 37 C2 83 09 FF 20E10 60 F1 88 37 C2 83...

Страница 18: ...2 Data Model SVM SVM1 OSD2 OSDF2 PYNX PYNN PYXS PYNS M123SP 10 10 20 64 28 18 22 10 20E10 10 10 20 64 28 18 22 10 FAC 13 Data Model CLTM CLVO CLVS ABL DCBS FLG0 FLG1 M123SP 04 03 03 27 14 82 0C 20E10...

Страница 19: ...AI GATE VOL OUT AV GAIN OPTM3 M123SP 03 2A 75 2D 40 20E10 03 2A 75 2D 40 FAC 25 Data Model G2_FLAG00 G2_FLAG01 G2_FLAG02 G2_FLAG03 G2_FLAG04 G2_FLAG05 M123SP 30 06 00 02 40 00 20E10 30 06 00 02 40 00...

Страница 20: ......

Страница 21: ...ains 8 bit CPU ROM RAM I O ports timer counters A D converters an on screen display controller remote control interfaces IIC bus interfaces and the Closed Caption decoder The TV signal processor conta...

Страница 22: ...lumns 12 lines Composition 16 18 dots Size of character 3 line by line Color of character 8 character by character Display position H 256 V 512 steps BOX function Fringing smoothing Italic underline f...

Страница 23: ...t SIF out Sync out H L out AU Monitor out ALC filter A Vcc 8V YC Vcc 5V AU out 2 P20 Int5 Stop P40 PWM14bit Reset P50 PWM7bit TC2 Int0 TV AGND 6dB PIF Proc PAL NTSC demod Auto VCO alignment Vert Proc...

Страница 24: ...om MCU are controllable through the IIC bus of the internal connections 2 Power Supply TMPA8873 has some power supplies and GND pins Power supplies related MCU must be applied at the first Power suppl...

Страница 25: ...4 I O Input Input Key on wake up input A D converter analog input 2 9 4 1k 5k Key on Wake up 22pF Disable Initial Hi Z 3 P53 KWU0 AIN0 TC1 INT2 SCK1 I O Input Input Input Input I O Key on wake up inpu...

Страница 26: ...9 up DVdd Power Supply Vdd Supply 5V 9 CPU core Digtal curcuit Slicer 10 up VVss Power Supply GND for Slicer circuit 54 up AGND Power Supply GND for Oscillator circuit 55 up AVdd Power Supply Vdd for...

Страница 27: ...59 P50 PWM8 TC2 INT0 I O Output Input Input 7 bit D A conversion PWM output Timer Counter input External interrupt input 59 9 4 1k Disable Initial Hi Z 60 P40 PWM0 I O Output 14 12 bit D A conversion...

Страница 28: ...03 29 28 Pin No Pin Name I O Function Interface Circuit 63 P30 INT3 RXIN I O Input Input External interrupt input Remote control signal preprocessor input 63 9 4 1k Disable Initial Hi Z 64 P63 LED2 I...

Страница 29: ...FC 1 Terminal to be connected capacitor for H AFC filter This terminal voltage controls H VCO frequency 100 300 14 17 11 33k 15 V saw Terminal to be connected capacitor to generate V saw signal V saw...

Страница 30: ...22 Ext Au1 Input terminal for Audio signal 1 17 22 18 35k 35k 5k 200 23 C in Input terminal for Chroma signal 23 47 18 1 5k 40k 24 V2 in Input terminal for Video signal 24 47 18 11k 1 5k 1 5k 25 ALC f...

Страница 31: ...for 1bit DAC or detected SIF signal 36 40 31 32 Ext Au2 in Input terminal for Audio signal 1 17 32 18 35k 35k 5k 200 33 H correc SIF in Input terminal for H correction and 2nd SIF 33 36 40 500 70k 30...

Страница 32: ...ND GND terminal for IF circuit 41 42 IF in Input terminals for IF signals Pin41 and Pin42 are both input poles of differential amplifier 50k 20pF 1 4k 50k 20pF 1 4k 41 42 36 40 43 RF AGC Output termin...

Страница 33: ...s required because of its open collector output Pull up resister minimum 4 7kohm 11 17 48 100 5k 49 DVCC Vcc terminal for Digital block This terminal voltage is clipped about 3 3V by regulator circuit...

Страница 34: ...p Filter A sound trap filter is integrated on the chip for multi frequency SIF systems The sound trap filter characteristics are changed by WRITE BUS register setting It is better that the setting dat...

Страница 35: ...ection The 1 H delay line is integrated on the chip for PAL chroma demodulation The 1 H delay line can acts as a chroma comb filter on NTSC chroma system 10 Base Band Color System TMPA8873 features a...

Страница 36: ...each other at the same time is recommended 14 Control the Signal Processor The signal processor is connected with the micro controller by means of internal wiring All functions of the signal processo...

Страница 37: ...6 PCB Layout...

Страница 38: ......

Страница 39: ...ODE FR104 FAST RECTIFIER D402 T8 0014SGP MAY 10 0FR104 FBX DIODE FR104 FAST RECTIFIER D401 T8 0014SGP MAY 10 0FR104 FBX DIODE FR104 FAST RECTIFIER D301 T8 0014SGP MAY 10 0FR104 FBX DIODE FR104 FAST RE...

Страница 40: ...SGP MAY 18 FF0221 JSX RES M O F 1 0W 1 0W 220 OHM 5 R412 T8 0014SGP MAY 25 BCB100 M1X CAP ELEC 10 UF 16V 20 C901 T8 0014SGP MAY 25 BCB100 M1X CAP ELEC 10 UF 16V 20 C907 T8 0014SGP MAY 25 BCB100 M1X CA...

Страница 41: ...MAY 25 RCB100 M1X TCL25 RCB100 M1X CAP ELEC 10 UF 16V C220 T8 0014SGP MAY 25 RCB100 M1X TCL25 RCB100 M1X CAP ELEC 10 UF 16V C227 T8 0014SGP MAY 25 RFB479 M1X CAP ELEC 4 7 UF 50V 20 C216 T8 0014SGP MAY...

Страница 42: ...5 B00 WIREBAREJUMPER7 5MM J913 T8 0014SGP MAY 41 WJ0075 B00 WIREBAREJUMPER7 5MM J005 T8 0014SGP MAY 41 WJ0075 B00 WIREBAREJUMPER7 5MM J920 T8 0014SGP MAY 41 WJ0100 B00 WIREBAREJUMPER10MM J311 T8 0014S...

Страница 43: ...Y 41 WJ0150 B00 WIREBAREJUMPER15MM L402 T8 0014SGP MAY 41 WJ0175 B00 WIREBAREJUMPER17 5MM J025 T8 0014SGP MAY 41 WJ0175 B00 WIREBAREJUMPER17 5MM J619 T8 0014SGP MAY 41 WJ0175 B00 WIREBAREJUMPER17 5MM...

Страница 44: ...BDB220 M1X CAP ELEC 22 UF 25V 20 C819 T8 0014SGP PWY 25 BDB220 M1X CAP ELEC 22 UF 25V 20 C850 T8 0014SGP PWY 25 BDB470 M1X CAP ELEC 47 UF 25V 20 C820 T8 0014SGP PWY 25 BFB109 M1X CAP ELEC 1 UF 50V 20...

Страница 45: ...C3207 0BX TRANSISTOR KTC3207 Q502 T8 DE10SGP CRN 11 TC3207 0BX TRANSISTOR KTC3207 Q503 T8 DE10SGP CRN 11 TC3207 0BX TRANSISTOR KTC3207 Q501 T8 DE10SGP CRN 18 CB0101 JNX RES C F 100 OHM 1 6W 5 R501 T8...

Страница 46: ...B00 WIREBAREJUMPER10MM J1008 T8 EN23SGP OT4 41 WJ0100 B00 WIREBAREJUMPER10MM J910 T8 EN23SGP OT4 41 WJ0100 B00 WIREBAREJUMPER10MM JP916 T8 EN23SGP OT4 41 WJ0125 B00 WIREBAREJUMPER12 5MM J905 T8 EN23S...

Страница 47: ...0A09A DEC INLET SILVER 01 00 00 R N T8 0EN23GP FC2 67 X12668 0E0 SPRING CRT 6MMX40MMX0 5MM T8 0EN23GP FC2 67 X24283 0E0 SPING POWER KNOB T8 0EN23GP PA2 36 141390 000 CONVERTER 300 75 OHM FOR NTSC T8 0...

Страница 48: ...T8 0014SGP MAY 13 EF4053 BTB IC HEF4053BT D IC901 T8 0014SGP MAY 13 LD1117 50B IC REGPOSFXD LD1117S50C NORMAL R Y IC002 T8 0014SGP MAY 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 JP401 T8 0014SGP MAY 19...

Страница 49: ...TX SMD RES 18K OHM 1 10W 5 0603 R302 T8 0014SGP MAY 19 AB0221 JTX RES SMD 220 OHM 1 10W 0603 R201 T8 0014SGP MAY 19 AB0221 JTX RES SMD 220 OHM 1 10W 0603 R202 T8 0014SGP MAY 19 AB0221 JTX RES SMD 220...

Страница 50: ...603 C917 T8 0014SGP MAY 28 AB0103 KBX SMD CAP 0 01 UF 50V 10 0603 C239 T8 0014SGP MAY 28 AB0103 KBX SMD CAP 0 01 UF 50V 10 0603 C233 T8 0014SGP MAY 28 AB0103 KBX SMD CAP 0 01 UF 50V 10 0603 C228 T8 00...

Страница 51: ...0472 JTX RES SMD 4 7K OHM 1 10W 0603 R836 T8 0014SGP PWY 19 AB0683 JTX RES SMD 68K OHM 1 10W 0603 R826 T8 0014SGP PWY 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B C839 T8 0014SGP PWY 28 AB0103 KBX SMD CAP 0...

Страница 52: ...26 AIC391 KBX CAP CER 390 PF 500V 10 B C412 T8 0014SGP MAY 26 AMM471 JZX CAP CER 470PF 2KV 5 C402 T8 0014SGP MAY 27 AGQ434 JSX CAP M PP 0 43UF 250V 5 C421 T8 0014SGP MAY 27 ALR113 J0X CAP M PP 0 011...

Страница 53: ...K102 MEX CAP CER 1000PF 400VAC 20 E C804 T8 0014SGP PWY 26 AQK472 ZFX CAP CER 4700PF 250VAC 80 20 F C808 T8 0014SGP PWY 26 AQK472 ZFX CAP CER 4700PF 250VAC 80 20 F C807 T8 0014SGP PWY 27 AQT474 MV3 CA...

Страница 54: ...007 T8 0EN23GP SIY 40 EN23G8 SIB1XG TV PCB SI BD R Y T8 0EN23GP SIY 46 30780H 04XG HS 4P 2468 24 390 TJC3 4Y SCN 4Y S904A P4 P7 FOR M BD P905 T8 0EN23GP SIY 47 RCA041 XX0G JACK RCA 3PH H 8MM YL WH RD...

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