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- Closed Caption Mode. (Off<-->C1<-->C2<-->T1<-->T2<-->Off)
- CC On Mute.(Off / On)
- When CC On Mute is On, Output is selected a item of Closed Caption Modes.

3) Tuning Function.

- I2C Bus.
- PLL IC Interface.
- FS 181 Channel (AIR 2-69CH, CABLE 1-125CH)"

- AFT Operation(Fine Tuning ) -2.5 ~ Fn ~ +2.5MHz
- AIR/CABLE (STD, HRC, IRC ). Only Cable 5,6CH is that AFT range is cover over

broad-band. -2.5MHz ~ Fn ~ +3.5MHz.

- Auto Program.(If a channel is broadcasting, the channel is memorized.)"
- Direct Tuning(0 ~ 9KEY)
- Channel Up/Down.(Memorized Channels) -> The Ch Up/Down buttons on the Remote and 

on the front panel are same function.

- Search Channel Up/Down.(If No-Memory or only 1CH is Memory) 
- Channel Memory.(ADD/DELETE)
- Channel Review Function.
- Last Channel Memory Function.

4) OSD Function.

- In Video Mode, Things(Items) that is concerned with Air and Cable disappear in the Menu."
- Channel, AV display.
- Small & Graphic ICON Menu.
- Volume, Picture Control --> I2C Bus Control

5) The Others Function.

- Video/Audio Mute Function.
- If a Channel is no signal, it is Auto-Power Off Function after 15 minutes."
- Heat Run Function. --- OSD White Background.
- Sleep Timer, Wake-Up Time, Off Time Function. "
-  Audio Mode :Mono
- TV/Line Controlled function- ----------------------- (Option)
- Prison Controlled function- ----------------------- (Option)
- 3-Language.(North America : ENG/SPA/FRA ). 
- E2PROM Interface (I2C Bus Control)
- CH 6 TRAP Function.(IS-31 

)

- PLL IC Band Data.(Control Byte 2-->P3~P0)   

VHF L : 1 / VHF H  : 2 / CH6 TRAP : 5 (IS-31) AIR(Cable) CH 6 Only     UHF : 8

2

IC DESCRIPTION

Содержание DTQ-14P2/P3FCG

Страница 1: ...7SSG DTQ 20V1 V3 V4FSG DTQ 20V1 V3 V4 V5 V8 V9SSG Middle America AC 110V DTQ 14V1 V4 V5FSPG DTQ 14V1 V4 V5 U1SSPG DTQ 14V6NBPM NPPG DTQ 20V1 V4FSPG DTQ 20V1 V3 V4 U1SSPG DTQ 15U5SSPG DTQ 14V1 V4 V8SSF...

Страница 2: ...IFICATIONS 5 BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 7 SERVICE MODE ADJUSTMENTS 7 ASSEMBLY ADJUSTMENTS 8 PARENTAL CONTROL PASSWORD SETTINGS 12 VOLTAGE CHART 13 WAVEFORMS 16 SCHEMATIC DIAGRAM 19 EXPLODE...

Страница 3: ...PICTURE TUBE HOWEVER THIS TUBE DOES NOT EMIT X RAYS WHEN THE HIGH VOLT AGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERATION AT HIGHER VOLT AGES MAY CA...

Страница 4: ...ck hazard and must be corrected imme diately GRAPHIC SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of unin...

Страница 5: ...4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its original feet o...

Страница 6: ...nbalanced AUXILIARY INPUT TERMINAL Front Video Audio Rear Video Audio P Series Without Video Audio INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequency 41 25 MHz...

Страница 7: ...BLOCK DIAGRAM 6...

Страница 8: ...m turns into the red Press the volume up or down button to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state wh...

Страница 9: ...O NO YES NO NO YES 38 0 63 Black stretch discharge Black stretch charge Forwarding Mode Killer level Take off ABCL Gain AFT defeat HVBLK off Sharpness Video Tsharp ABCL Blackstre off SsliceDown2 Sslic...

Страница 10: ...Y button to memorize the data 2 ASSEMBLY ADJUSTMENTS 1 SCREEN ADJUSTMENT S2 Enter the service mode and select service adjustment S2 You cna see the one horizontal line on the screen Adjust the Screen...

Страница 11: ...roper horizontal centering of the internal cross pattern at the left and right of the screen 4 2 Vertical SHIFT Adjustment Select V SHIFT item adjust V SHIFT data value to center the raster properly o...

Страница 12: ...DJUSTMENT Receive a good local channel Enter the service mode and select service adjustment S9 You can see the OSD as shoown in below D P BRIGHTNESS 64 CONTRAST 12 TINT 42 COLOR 15 SHARPNESS 38 MOVE A...

Страница 13: ...n the set on Direct the remote control to the reception window of your TV VCR Push buttons of remote control in sequence as follows 1 MUTE DISPLAY MUTE Then the screen will appear as follows Using the...

Страница 14: ...5 7 2 99 0 26 3 71 5 05 27 3 71 5 05 ON ON ON ON OFF OFF OFF OFF 28 5 0 1 12 76 9 92 29 2 49 2 36 2 6 65 0 30 5 5 03 3 6 88 0 31 2 74 0 4 0 824 0 32 5 64 5 68 5 0 0 33 2 09 0 6 0 0 34 3 24 3 19 7 0 0...

Страница 15: ...6 14 0 15 5 03 16 0 96 17 1 4 18 0 19 0 20 5 05 21 0 22 5 05 23 1 69 24 2 14 25 0 27 26 2 47 27 5 28 1 98 29 5 04 30 3 67 31 3 72 32 5 04 33 0 34 0 35 0 36 0 37 4 86 38 4 25 39 2 8 40 5 05 41 0 42 5 0...

Страница 16: ...C 17 12 11 6 E 2 07 0 E 8 49 8 37 B 1 76 0 B 9 08 8 95 C 0 3 0 C 6 49 0 E 9 8 0 39 E 0 0 B 9 9 0 B 0 0 65 C 6 86 0 C 5 05 5 05 E 0 0 E 0 4 34 B 0 0 69 B 0 0 C 13 99 8 4 C 5 04 5 05 E 5 04 5 06 E 0 0...

Страница 17: ...2 I101 PIN 15 V 1V div H 25us div 3 I101 PIN 16 V 1V div H 25us div 4 I101 PIN 5 V 500mV div H 5ms div 5 I101 PIN 40 V 500mV div H 25us div 6 I101 PIN 58 V 500mV div H 25us div 7 I101 PIN 63 V 10V di...

Страница 18: ...IN 38 V 20V div H 25us div 10 I801 PIN 7 V 100V div H 10us div 11 T402 PIN 25 5V V 100V div H 25us div 12 T402 PIN 10 5V V 50V div H 25us div 13 T402 PIN HEATER V 10V div H 25us div 14 T402 PIN 180V V...

Страница 19: ...H V V 100V div H 25us div 18 T801 PIN 133V V 100V div H 10us div 19 Q401 COLLECTOR V 5V div H 25us div 20 CRT SOCKET PIN B V 50V div H 25us div 21 CRT SOCKET PIN R V 50V div H 25us div 22 CRT SOCKET P...

Страница 20: ...19 SCHEMATIC DIAGRAM...

Страница 21: ...20 EXPLODED VIEW 1 DTQ 14V1FSG...

Страница 22: ...21 EXPLODED VIEW 2 DTQ 14V3FSG...

Страница 23: ...22 EXPLODED VIEW 3 DTQ 14V5FCG FSG...

Страница 24: ...23 EXPLODED VIEW 4 DTQ 14U1FSG...

Страница 25: ...24 EXPLODED VIEW 5 DTQ 20V1FSG...

Страница 26: ...25 EXPLODED VIEW 6 DTQ 20V3FSG...

Страница 27: ...26 EXPLODED VIEW 7 DTQ 20V4FSG...

Страница 28: ...27 EXPLODED VIEW 8 DTQ 20U1FSG...

Страница 29: ...V BUP 7200PF H C801 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 z_loc z_parts_code parts_name parts_descr remark C804 CEYN2D331P C ELECTRO 200V LHS 330MF D703 DLH2PR LED BLOCK LH 2P R I301 PTD2...

Страница 30: ...HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC751 HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC917 HRFT241JBA R CHIP 1 10 240 OHM J 1608 29 z_loc z_parts_code parts_name parts_descr RC918 HRFT241JBA R CHIP 1 1...

Страница 31: ...V C ELECTRO 50V RSS 10MF 5X11 TP C576 CEXF1C221V C ELECTRO 16V RSS 220MF 8X11 5 TP C603 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C604 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP z_loc z_parts_code parts...

Страница 32: ...37G DIODE 1N4937G TAPPING D409 D1N4148 DIODE 1N4148 TAPPING D501 DUZ5R1B DIODE ZENER UZ 5 1B D507 DUZ9R1BM DIODE ZENER UZ 9 1BM D509 D1N4148 DIODE 1N4148 TAPPING D525 D1N4148 DIODE 1N4148 TAPPING D571...

Страница 33: ...PPER AWG22 1 0 65 TIN COATING J85 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J88 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J89 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J9 85801065GY...

Страница 34: ...J R878 RN 4Z1003F R METAL FILM 1 4 100K OHM F R879 RN 4Z1502F R METAL FILM 1 4 15K OHM F R888 RC 2Z565KP R CARBON COMP 1 2 5 6M OHM K R890 RD 4Z152J R CARBON FILM 1 4 1 5K OHM J R892 RD 4Z152J R CARBO...

Страница 35: ......

Страница 36: ...h automatic solid space OSD mode border Display position Horizontal 128 levels Vertical 512 levels 3 System Feature The system for TV tuning is Frequency Synthesis type Closed Caption s function is bu...

Страница 37: ...mory or only 1CH is Memory Channel Memory ADD DELETE Channel Review Function Last Channel Memory Function 4 OSD Function In Video Mode Things Items that is concerned with Air and Cable disappear in th...

Страница 38: ...ries 41 PRISON LOW DC 0V NORMAL L Normal Video HIGH DC 5V PRISON H Clock Menu TIME delete KEY FUNCTION VALUE V SW701 POWER 0 0 55 SW705 VOL 2 25 2 75 SW704 VOL 2 76 3 25 SW703 CH 3 26 3 75 SW702 CH 3...

Страница 39: ...KEY1 P22 SIN AD7 SDA P23 TIM3 SCL S MUTE P24 TIM2 P15 POWER P25 INT3 FSCIN FSC IN NC P26 XIN RESET RESET NC P27 XOUT CVIN CCD CVBS CNVSS CNVSS VHOLD CCD V HOLD GND X IN HLF CCD HLF NC X OUT FILT FILT...

Страница 40: ...or Data Slicer 24 HLF 25 VHOLD CCD V HOLD I O CCD HLF I O 5V Positive Power Supply Clock Oscillation Filter I O for Data Slicer 23 FILT FILT I 22 VCC VCC I GND Negative Power Supply 20 X OUT 21 VSS VS...

Страница 41: ...OUT CHROMA APC FILTER EXT C IN Hi Vcc SIF LIMITER IN G OUT X TAL 3 58 V RAMP OUT V RAMP F B VIDEO CHROMA Vcc 1 V RAMP CAP ACL ABCL VIDEO CHROMA Vcc 2 NC START UP Vcc 8 7V REG OUT AUDIO ATT Cr IN Cb I...

Страница 42: ...7 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...

Страница 43: ...40 42 63 2 3 62 59 58 41 26 27 64 7 31 30 22 VCC 5V 41 8 C517 DEF 180V 39 40 12 14 15 16 33...

Страница 44: ...40 42 7 31 30 22 63 64 2 4 26 27 50 48 43 Z502 4 5M Trap Check ATT FILTER Circut C603 51 9...

Страница 45: ...31 30 11 7 40 42 22 63 59 2 64 Vcc 5V Check T SDA SCL SVC S5 Key input Vco adjust 10...

Страница 46: ...41 14 15 16 34 40 40 38 5 6 1 5 Check the voltage 25V Vertical IC Vcc 25V 11...

Страница 47: ...37 38 22 33 36 35 34 24 21 22 23 27 26 30 31 Vcc 5V 15 22 Vcc 5V Check the voltage 12...

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