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1.3

Points of attention for product safety

There are many electric and mechanical parts in this PCB that are related to safety. However, they

are often neglected from visual look. For changing the high voltage and high power parts, very

often it’s impossible to provide them with effective “X-ray radiation” protection. All these exchange

parts with safety characteristic are designated in the detail list. All the electronic parts with such

characteristics are indicated with shadow in the circuit diagram.

When changing these parts, please carefully check the detail list.

2 Alignment items and procedure

The alignment flow chart (see below figure).

EEPROM copy

B+ check

Field breadth, center

and raster adjust

RF AGC adjust

Audio check

Focus adjust and aging

adjust

White balance and sub-bright

Field breadth, center field and

raster adjust again

Ex-factory state setup

OSD center position

Focus fine adjust

Check

High-handed

Filament voltage

X-ray protect

Picture and audio

Sub-brightness

White balance

Color pure and focus

AV (S.DVD)

The button check

Remote control check

Assemble check

Safety check

Содержание TS2192

Страница 1: ...COLOR TELEVISION TS2192 ...

Страница 2: ...ty instruction Alignment items and procedure Test equipment Debugging instruction Block diagram IC block diagram Wiring diagram Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded View 1 3 4 4 11 12 17 18 ...

Страница 3: ...is instruction X ray radiation protection test to make sure the circuit functions well 1 1 3 The only source of TV set producing X ray is CRT To avoid X ray radiation during the whole process the exact same type of CRT designated in the detail list must be replaced when there is a need to change CRT 1 1 4 Some parts in this receiver have special safety related characteristics for X RAY RADIATION p...

Страница 4: ...olt to measure the leakage current according to the following steps First connect in parallel a resistor of 1 5 kΩ 10 W and a 0 15 μF capacitor AC type between the known good earthing connector such as underground metal tube and the exposed metal parts out of the cabinet Measure AC voltage across both terminals Then exchange the two pins of AC before re measuring every exposed metal parts The meas...

Страница 5: ...istics are indicated with shadow in the circuit diagram When changing these parts please carefully check the detail list 2 Alignment items and procedure The alignment flow chart see below figure EEPROM copy B check Field breadth center and raster adjust RF AGC adjust Audio check Focus adjust and aging VG2 adjust White balance and sub bright Field breadth center field and raster adjust again Ex fac...

Страница 6: ...nd no sync and sound abnormity electrophoresis of it 4 4 Audio check Receive signal tone signal measure the audio out power with audio frequency meter and the maximum undistorted power should larger than the maximum undistorted power of the product standard 4 5 White balance and screen grid voltage adjustment 4 5 1After enter P5 of factory menu use remote sensor directly to adjust white balance by...

Страница 7: ...tems of P2 to let the picture coincide with the demand 4 6 2 Receive G43 five circles signal press PP button to select picture mode of standard adjust V SIZE V SHIFT H PHASE V LINE VSC of P3 and the items of P4 to let the picture coincide with the demand 4 7 Check 4 7 1 High voltage and filament voltage check Connect a high voltage meter between anode cap of picture tube and the ground measure the...

Страница 8: ...HZ horizontal center 15 4 5 1 V LINE 60 HZ field line 15 4 5 1 V SC 60 HZ field S correct 23 4 5 1 V COMP Field amplitude compensate 7 Fixed minimize field amplitude when brightness changes L BLK Left blanking 5 Fixed adjust when white bar appears on left screen R BLK Right blanking 2 Fixed adjust when white bar appears on left screen P2 EW 60 COR SW Corner revise 1 Fixed H SIZE COMP High voltage ...

Страница 9: ...NT Sub contrast 31 Fixed SUB COL Sub color 1 Fixed SUB SHP Sub sharpness 12 Fixed SUB TINT Sub tint 25 Fixed set picture to standard and adjust the value to middle P7 VOL FIL Volume control ADC filter 0 Fixed OSD COT OSD contrast 5 Fixed OSD HPOS OSD center 25 Fixed AFT H AFC loop gain and syn door trigger 1 Fixed VIF SW VIF3 45 75 MHZ 3 Fixed VIDEO LEVEL OFFSET Video level 0 Fixed SIF SW SIF0 4 5...

Страница 10: ... limit 2 Fixed V BLK SW Field blanking switch 0 Fixed 0 normal 1 wide FBP BLK SW H blanking switch 1 Fixed 0 internal 1 FBP and logic and DC REST DC reset rate 0 Fixed 0 100 1 107 CD MODE Field frequency division 0 Fixed 0 auto P11 CORE GAIN Noise reduce gain 3 Fixed 0 OFF 1 MIN 3 MAX ץ GAMA GAMA corrct 0 Fixed 0 OFF RGB TEMP SW Temperature characteristic of RGB DC output 1 Fixed A MONI SW Output ...

Страница 11: ... OPTION1 AV AV select 3 AV input selection 3 AV1 AV2 S DVD MTS Select MTS chip Base on demand 0 no 1 72700 2 AN5832 V OFF MOTE Bright dot killing mode 1 0 discharge 1 cut off PWR MEM Turn on mode Base on demand 0 stand by 1 auto 2 memory 1115 LV1115 selection 0 Fixed 0 no 1 have BLCK GROND No signal background selection 1 0 nothing 1 3 blue background 2 black background N PN North south America se...

Страница 12: ... GAIN Adjust gain 3 Fixed PWM LOGIC PWM logic 0 Fixed AVL MODE AVL mode 2 Fixed 0 mute 1 auto 2 fixed AVL DET LEVEL AVL starting 0 Fixed AVL SLOPE AVL slope 0 Fixed PWM SET PWM VOL PWM volume 1 Fixed 1 CHIP VOL One track volume control 127 Fixed VOL 1 1 volume control 31 Fixed VOL 25 25 volume control 82 Fixed VOL 50 50 volume control 95 Fixed VOL 75 75 volume control 108 Fixed 5832 available when...

Страница 13: ...11 ...

Страница 14: ...12 MAIN IC LA76932N BLOCK DIAGRAM ...

Страница 15: ...12 R ouput 2 65 53 Colour APC filter 3 40 13 G ouput 2 65 52 Selection video output and FSC output 2 40 14 B ouput 2 67 51 Cr input 2 50 15 AKB undo 2 31 50 4 43 MHZ crystal 2 73 16 Field sawtooth filter to capacitance 2 16 49 Cb input 2 50 17 Field output 2 34 48 Fast blank out input 0 18 VCO Reference voltage 1 65 47 R input 1 89 19 H BUS VCC 5V 27mA 6 81 46 G input 1 90 20 H APC filter 2 54 45 ...

Страница 16: ...y is specially designed for an off line SMPS with minimal external components The Fairchild Power Switch FPS consist of high voltage power Sense FET and current mode PWM controller IC PWM controller features integrated fixed oscillator under voltage lock out leading edge blanking optimized gate turn on turn off driver thermal shut down protection over voltage protection temperature compensated pre...

Страница 17: ...15 efficiency productivity and system reliability It has a basic platform well suited for cost effective design in quasi resonant converter as C TV power supply Internal block diagram ...

Страница 18: ...STV8172A 1 INVERTING INPUT 2 5 2 Vcc 26 3 PUMP UP OUT 1 5 4 GND 0 5 Ver OUTPUT 13 6 OUTPUT STAGE Vcc 27 7 NON INV INPUT 2 5 Pins function pin function voltage V 16 ...

Страница 19: ... XS501 XS202 XS203 XS701 TUNER XS601 XS602 XS301 XS604 XS201 XS302 N201 XS502 CRT DEGASSINGP COIL M108 FOCUS SCREEN MAIN BOARDP667 TSC30 01 POWER SWITCH KEY BOARDP667 TS2130 05 XS901 XS902 SPEAKER XS606 AV BOARD 667 TS2130 29 220V 50HZ AV PORT S PORT ...

Страница 20: ......

Страница 21: ...C0 13 PC3 16 PC4 17 PC5 TMR1 18 RES 19 VDD 20 OSC2 22 PA7 23 PA6 24 PA4 26 PB7 27 PB6 28 PC2 15 PC1 14 PA5 25 PA2 4 OSC1 21 U1 BHURC 001P BHRC 001M 1 2 K31 UP 1 2 K34 DOWN 1 2 K32 RIGHT 1 2 K29 SOUND 1 2 K35 GAME 1 2 K36 CCD 1 2 K30 STEREO 1 2 K33 LEFT 1 2 K26 CH 1 2 K24 VOL 1 2 K22 MENU 1 2 K27 PIC 1 2 K21 CH 1 2 K25 VOL 1 2 K28 SLEEP 1 2 K23 DSP 1 2 K16 8 1 2 K8 MUTE 1 2 K18 PREVIOUS CH 1 2 K15 ...

Страница 22: ...267522001 KA5Q0765RT 5260765002 Line output transformer T301 BSC25 01N4085 5432210033 Stereo board 6TS05031A0 NS01 AN5832SA 5275832001 Key board 6TS0370510 Side AV board 6TY00129A0 Remote control 6010A02314 CRT 52012147E1 RC A23E A51ALJ13X02AR APPENDIX A Main assembly 9520TS9210 MAIN COMPONENT AND IT S NO ...

Страница 23: ...APPENDIX B Exploded view x2192 ...

Страница 24: ... main board 3 screen 4 key board 5 sliding guider 6 front cabinet 7 power button 8 speaker 9 sliding guider 10 power switch 11 power cord PART LIST OF EXPLODED VIEW Note design and specifications are subject to change without notice ...

Страница 25: ...9520TS9210 Ver 1 0 ...

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