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Related Manuals for Daewoo T011
Summary of Contents for Daewoo T011
- Page 1 DAEWOO(T011-21”) COLOUR TELEVISION SERVICE MANUAL...
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Page 2: Table Of Contents
CONTENTS 1. Safety Precautions………………………………………………………………………………… 2. MCU and signal Processor for a PAL/NTSC TV…………………………………………………… A8899CPCNG6VU9 3. Definition of Pin…………………………………………………………… 4. Remote Control Circuit Diagram and Function…………………………………………………… 1)User Remote……………………………………………………………………………………… 2)Service Remote…………………………………………………………………………………… 5. Service Controlled Function………………………………………………………………………… 1)White balance adjustment………………………………………………………………………… 2)Pictureand AGC adjustment…………………………………………………………………… 3)Option set………………………………………………………………………………………… 6. -
Page 3: Safety Precautions
1. SAFETY PRECAUTIONS The design of this product contains special hardware, many manufacturer’s replacement components. circuits and components specially for safety purposes. For 10. Isolation Check continued protection, no changes should be made to the original (Safety for Electrical Shock Hazard) design unless authorized in writing by the manufacturer. -
Page 4: Mcu And Signal Processor For A Pal/Ntsc Tv
2.MCU and signal processor for a PAL/NTSC TV The A8899CPCNG6VU9 is an integrated circuit for a PAL/NTSC TV. A MCU and a TV signal processor are integrated in a 64-pin shrink DIP package. The MCU contains 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. -
Page 5: Definition Of A8899Cpcng6Vu9 Pin
3. Definition of A8899CPCNG6VU9 Pin Pin name Function X-ray X-ray Thermal resistance Thermal resistance Key input GND connection RESET Reset signal input XOUT 8 MHz oscillator connecting 8 MHz oscillator connecting TEST GND connection 5V power supply GND connection TV DEF AGND GND yerminal for TV DEF block FBP in Input terminal for FBP... -
Page 6: Remote Control Circuit Diagram And Function
B out Output terminal for B signal. TV DGND GND terminal for digital block. up AGND GND for Oscillator circuit up AVDD Vdd for Oscillator circuit Supply 5V VIDEO1/2 TV=0,AV1=OPEN，AV2=5V SDA1 IIC-BUS SDA1 SCL1 IIC-BUS SCL1 50/60Hz control 50/60Hz MUTE MUTE H.SYNC Horizontal sync signal input... -
Page 7: Service Remote
MUTE Mute/unmute EyeCare EyeCare POWER Power on/off TV/AV TV/AV DISPLAY Status Recall Volume +/Menu Item adjust(increase) and confirm Channel +/Menu Item select Volume -/Menu Item adjust(decrease) Channel -/Menu Item select Service Service in SLEEP Sleep CALE Calendar ZOOM Screen zoom/wide Message LOCK Lock... -
Page 8: Service Controlled Function
HPOS 60Hz HORIZONTAL PHASE OSD POSITION ADJUSTMENT M-MODE ON M-MODE ON EWCT 60HZ EW Top-corner WIDS 50HZ WIDS VPOS 60Hz VERTICAL PHASE 60Hz VERTICAL AMPLITUDE 50Hz HORIZONTAL PHASE 50Hz VERTICAL PHASE RCUT - R CUT adjust(decrease) RCUT + R CUT adjust(increase) GCUT - G CUT adjust(decrease) GCUT +... -
Page 9: Option Set
d) HIT: 60Hz VERTICAL AMPLITUDE e) HITZ: 60Hz ZOOM VERTICAL AMPLITUDE f) HITW: 60Hz WIDE VERTICAL AMPLITUDE g) VLIN: 60Hz VERTICAL-LINEARILTY h) VSC: 60Hz VERTICAL-S CORRECTION i) EWP: 60Hz Parabola Adjustment j) EWPZ: 60Hz ZOOM Parabola Adjustment k) EWPW: 60Hz WIDE Parabola Adjustment l) EWT: 60Hz T-Adjustment m) EWCT: 60Hz Top-corner Adjustment n) EWCB: 60Hz bottom-corner Adjustment... - Page 10 Bit5 Fjp_pos_av_option no use using local pos key to enter AV while no local TV/AV key Bit4 Fjp_mute_exmute no use Bit3 Fjp_50_60hz_control no use Bit2 Fjp_panel_power panel power key is permitted while panel panel power key is forbidden while lock panel lock Bit1 Exmute while pos...
- Page 11 Bit3-0 Set menu selected character’s color 0:BLACK 1:BLUE 2:GREEN 3:CYAN 4:RED 5: MAGENDA 6:YELLOW 7:WHITE 11)ACOR Function Status “ 0” Status “ 1” ACOR Bit7 Transparency enable register for the menu not assign half transparency assign half transparency area Bit6-4 Color select for the menu area 0:BLACK 1:BLUE 2:GREEN...
- Page 12 Function Status “ 0” Status “ 1” DCBS Bit7 C Trap Q _Y High Bit6 Blanking switch H,V blanking on H,V blanking off Bit5 No use Bit4 Black stretch SW Bit3-2 Y GAMMA 00:off 01:Y gamma point 78IRE,gain-6db 10:68 IRE 11:58 IRE Bit1-0 Black stretch start point and gain...
- Page 13 Bit3-2 SVM delay 00:off 01:-120ns 10:-100ns 11:-80ns Bit1-0 SVM gain 00: -7dB 01:-1Db 10:+5dB 11:+11dB 25)UCOM Function Status “ 0” Status “ 1” UCOM Bit7-5 No use Bit4-3 C APC DATA 00: data 1-normal for black &white &NTSC 01: Data 2 10: Data 3 for PAL 11: the same as 10 Bit2 Set chroma APC...
- Page 14 g for Bit2 Reg.21H bit0 SY-DET-3 for 889x Bit1-0 Sel sync check mode for search/tuning 00:checking H-LOCK-1 flag(bit3 of r0) 01:checking H-LOCK-2 searc flag(bit4 of r1) h/tuni 1x:checking VLOCK flag (bit7 of r1) 31)VCD0 Function Status “ 0” Status “ 1” VCDO Bit7-6 Audio Monitor Out...
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Page 15: Service And Design Data
PVHH=OA PVHL=D0 PUHH=19 PUHL=70 6. Service and Design Data Model:T011 CRT:21 SLIM A51QGV991X231 Data：2008-11-18 ITEM REMARK ITEM REMARK DATA DATA R CUT OFF AFC GAIN RCUT HAFC G CUT OFF NOISE GCUT NOIS B CUT OFF NOISE DET count (Weak -> Normal) -
Page 16: Ics Functional Description
Wide VERTICAL AMPLITUDE CCD OSD WIDTH HITW CCD OSDF 60Hz VERTICAL-LINEARILTY OSDF OSD WIDTH VLIN 60Hz VERTICAL-S CORRECTION OSD POSITION ADJUSTMENT H. BOW CUSL To set remote controller's custom code(low byte) HBOW H. PAR CUSH To set remote controller's custom code(high byte) HPAR 60Hz Parabola A FSAD... -
Page 17: Ic Voltages
A8891 PIN16 V444 B V411 C 75Vpp V444 C 9. IC Voltages A8899CPCNG-6VU9 Voltage Voltage Voltage STV9325 Voltage 13.8 -12.7 -13.7 TDA7263(Stereo) Voltage 12.6 AC supply : 110~240V 50/60Hz 10. Other 1)Binary code change to hex Binary code 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1... - Page 18 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 2) Some skills of factory adjustment: a)How to use Service Remote enter service mode Pressing the “D MODE ON/OFF” key. Press “D MODE ON/OFF” key again to exit service mode. b)How to use User remote enter Service mode? Press “MENU”→...