Quadro CTV-37D10 TXT Service Manual Download

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MODELS: CTV-37D10 TXT

CTV-55N11 TXT

CTV-55D10 TXT

CTV-55X10 TXT

MkI

CTV-55V20 TXT

CTV-55Z10 TXT

MkII

MkIII

SERVICE MANUAL

Brown goods
TV SETS 14", 21" 3P51 chasis

Summary of Contents for CTV-37D10 TXT

Page 1: ...MODELS CTV 37D10 TXT CTV 55N11 TXT CTV 55D10 TXT CTV 55X10 TXT MkI I CTV 55V20 TXT CTV 55Z10 TXT MkII MkIII SERVICE MANUAL Brown goods TV SETS 14 21 3P51 chasis...

Page 2: ......

Page 3: ...y hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this service manual high voltage adjustment for specific high voltage limit If high vo...

Page 4: ...t Antenna 75 Ohm Coaxial Cable Ext In Out Audio video in out Speaker 8 Ohm 5W x2 Audio Output MAX 1KHZ 0 5Vrms 5Wx2 10 THD Audio Output Power 1KHZ 0 5Vrms 5Wx2 Power Consumption AC 110 240V 50Hz 80W M...

Page 5: ...Chassis Block Diagram 63 62 15 5 14 AV 2 R AV 2 L AV 1 R AV 1 L A B 9 10 12 3 1 AUDIO OUT 4052 AUDIO SWITCH TDA7056A 3 5023 xx 0 stereo mono BF422 BF423 4...

Page 6: ...5 IC BLOCK DIAGRAM IC 101 TFA9842AJ 2Channel Audio Amplifier...

Page 7: ...6 IC 401 Vertical Deflection Booster STV9302A IC BLOCK DIAGRAM IC 601 Power Switch F SCQ0765RT...

Page 8: ...TION REFERENCE VOLTAGE ERROR AMPLIFIER THERRMAL PROTECTION STARTING CIRCUIT CURRENT GENERATOR REFERENCE VOLTAGE 3 GND IC 652 Regulators L7808Series 1 2 3 4 1 ANODE 2 CATHODE 3 EMITTER 4 COLLECTOR IC 6...

Page 9: ...8 IC 701 TDA9381 TV Signal Processor IC BLOCK DIAGRAM...

Page 10: ...PN L7805 INPUT GND OUTPUT INPUT L7808 INPUT GNDOUTPUT C2 482 C B E NPN 9 C B E A9 66 PNP TRANSISTOR MARK NPN C B E C B E C21 20 NPN C B E C27 17 NPN C B E B C E BF421 PNP C B E BF421 PNP C B E BF42 2...

Page 11: ...MAIN PCB Top Layer 10...

Page 12: ...MAIN PCB BOTTOM Layer 11...

Page 13: ...SIDE AV PCB TOP LAYER CRT SIDE AV CONTROL PCB TOP LAYER CRT PCB LAYER 1 2 CONTROL PCB TOP LAYER...

Page 14: ...Service Adjustments 3 1...

Page 15: ...mode and press digital key 4 3 Measure tuner AGC point voltage adjust AGC item till the voltage is 2 4V or till picture noise just disappears Usually the AGC value is fixed to 27 4 FINE ADJUST 1 FOCUS...

Page 16: ...OSD position adjustment Receive 50 60HZ cross hatch pattern Set TV standard status Press KEY 2 in factory mode adjust 5VOF 6VOF and HOF item to obtain menu OSD at the center of CRT screen 4 6 2 LOGO p...

Page 17: ...the setting menu b Set values to OPTION 1 OPTION 7 c LOGO setting when powered on or no signal Press key CLOCK in factory menu to enter the LOGO edit mode there are two rows the 1st can set the custo...

Page 18: ...above value be adjusted 10 can be OK the default value is31 EW width 60Hz 3A 6EWW 0 63 33 EW parabola width 60Hz 3B 6EWP 0 63 19 EW upper corner parabola 60Hz 3C 6UCR 0 63 44 EW lower corner parabola...

Page 19: ...adjust excessively will lead the picture faded Remark because of the higher colour temperature it s normal that you feel a little red Luminance delay time PAL YDFP 0 15 8 Instruction This item has the...

Page 20: ...P 0 100 0 Contrast Middle pre set 2CON 0 100 60 Brightness Middle pre set 2BRI 0 100 40 Colour Middle pre set 2COL 0 100 45 Sharpness Middle pre set 65 2SHP 0 100 60 Contrast Rich pre set 66 3CON 0 10...

Page 21: ...V2 Bit 4 off on 1 SVHS Bit 5 off on 0 BLACK STRETCH DEPTH Bit 6 20IRE 30IRE 0 XX Bit 7 off on 0 NVM option 2 72 OP2 0 1 11 AVL Bit 0 off On 1 Auto sound in autosearch mode Bit 1 off On 1 Pan Europe Te...

Page 22: ...nal Bit 0 off On 0 Blue screen or black screen Bit 1 Black Blue 1 16 9 mode Bit 2 off On 0 Child lock Lock local key Bit 3 Off On 1 Top bottom bar on Menu Bit 4 Off On 1 Hotel mode Bit 5 Off On No use...

Page 23: ...CLOCK Logo edit 7 chars 2 lines Logo Text English letter number etc Instruction The LOGO edit function will take effect when Bit3 in OP4 set 1 press key VOL to choose character and press PROG to choo...

Page 24: ...the deflection yoke toward the front of CRT and set it where a uniform green field is Obtained Tighten the clamp screw of the deflection yoke 7 Restore the values of R BIAS G BIAS AND B BIAS CONVERGE...

Page 25: ...sor 2 Power Indicator 3 Main Switch 4 Speakers 5 Program Down Up Button 6 Volume Down Up Button 7 Menu Button 8 AV TV Button 9 Front AV In Option 10 AC Power Cord 11 12 14 AV Out AV In1 13 YUV Y Cb Cr...

Page 26: ...ns when connecting to other equipment When using external equipment with this TV set please read the instruction manual for the external equipment Switch off all power supplies to the equipment and TV...

Page 27: ...tons 2 You can adjust the CONTRAST BRIGHTNESS COLOUR SHARPNESS HUE item by press VOL buttons or RED YELLOW buttons 3 You can set the BLACK STRETCH COMB FILTER item ON or OFF by pressing VOL buttons or...

Page 28: ...with PROG buttons or GREEN BLUE buttons VOL buttons or RED YELLOW buttons PROG buttons or GREEN BLUE buttons Vol buttons RED YELLOW buttons VOL or RED buttons PROG buttons or GREEN BLUE buttons VOL bu...

Page 29: ...n this program will be hidden 5 PROGRAM Press VOL buttons or RED YELLOW buttons to set the PROGRAM number 6 FINE TUNE For better quality with VOL buttons or RED YELLOW buttons 7 SEARCH Press VOL butto...

Page 30: ...s When the preset time runs to 0 the TV set will go into stand by mode If no program received the TV set will switch to stand by automatically in 5 minutes SOUND SYSTEM BUTTON SYS When the sound syste...

Page 31: ...ns has the same function as PROG buttons the RED YELLOW buttons has the same function as VOL button In TELETEXT mode press these colour buttons the color of page no of teletext will change to the same...

Page 32: ...ub page Page number may contain several subpages which are automatically paged by the TV station Press this button once 0001 will be displayed on screen use number key 0 9 to look for other sub pages...

Page 33: ...B TITLE In TV mode used as GAME command In TELETEXT mode used as SUB TITLE key GAME You can play the game on TV To speed up with PRGO transform with PRGO Shift left with VOL shift right with VOL SUB T...

Page 34: ...nd give the effect of falling snow An antenna adjustment or antenna amplifier may be needed GHOST Multiple image caused by TV signals reflected back from surrounding buildings hills aircraft etc is mi...

Page 35: ...e taken to keep these assemblies intact unless picture tube is being replaced Discharge the picture tube to the coating before handing the Tube 1 Remove chassis referring to Chassis Removal instructio...

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Quadro CTV-37D10 TXT, Service Manual

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