Kenwood-LZ-601-Service-Manual电路原理图.pdf
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1、 2002-4 PRINTED IN JAPANB51-7943-00 (N)33946.4 INCH ON-DASH MONITORLZ-601SERVICE MANUALPanel(A64-2803-08)Liquid crystal(B38-1102-08)Mounting hardware(for E type, M type)(W01-1508-05)DC cord(E30-6105-05)LZ-6012BLOCK DIAGRAMADJUSTMENTBRIRGBVGH +20V+14VVSH-5VVGLVDD +5VPICTURECONTROLBALANCEWHITHADJUSTME
2、NTVIDEO PROCESSIC201VIDEO I/PW201LCD MODULECONTROLHIGH VOLTAGEIC302POWER SOURCEDC 12V I/PW201BACKLIGHTDELAYSWITCHINGCIRCUITREGULATORCONTROLIC301HIGHVOLTAGEOSCVOLTAGECONTROLSWITCHING PULSEIC101PLUSEAMPVOLTAGENFBH.V. TRANT201BACKLIGHTLAMPSWITCHINGTRANT301+30V+14V+20V+5.3V-5VQ101NFBNo. ITEMINPUT OUTPUT
3、 ALIGNMENTALIGN FOR STANDARDSETTINGS SETTINGS POINTS1. Adjust SVR102 so that theoutput-side voltage of L102 is L102 +5V : 5V +0.2V, 0VLINEConnect a DC between 5.15 and 5.20V. D101 +14V : 14V0.4V1VOLTAGE voltmeter to SVR102 2. After completing the adjust- D102 +20V : 20V +3V, 1VL102 (output side) men
4、t of SVR102, check the D104 +30V : 30V +3V, 1Vvoltages at D101, 102, 104 D105 5V : 5V0.2Vand 105.Connect a1. Adjust SVR101 so that the 13.5sec0.4secOSC&oscilloscope orpulse duration is 13.5sec2PULSE frequency SVR1010.4sec.WIDEcounter toInstead, it is also acceptableCONTROLQ101 (collector)to adjust s
5、o that the frequencycounter reads 74kHz2kHz.Adjust so that figure comes NTSC : A : 3.0mm1mmon the center position. B : 4.0mm1mmPuts a video C : 18mm1mm3 H-POSsignal forH-POS D : 19mm1mmthe inspection (LCD UNIT) PAL : A : 4.0mm1mmin VIDEO IN B : 2.0mm1mmB : 20mm1mmB : 21mm1mm15Vpp13.5S2VppABCDLZ-6013
6、No. ITEMINPUT OUTPUT ALIGNMENTALIGN FOR STANDARDSETTINGS SETTINGS POINTS1. After turning the unit on, warmit up for 15 minutes beforeproceeding to the adjustment.2. Adjust S207 so that thevoltage at IC201 pin 32 is IC201 32pin (Bright)2.30V0.1V DC. DC : 2.30V0.1V3. 1) Turn the knob (BRIGHT) to 2) BR
7、IGHT : CENTERthe center position. (It is putto the center position at themoment the unit is turnedPuts a videoon.) 3) BRIGHT : MAXsignal forConnect a DC 2) Adjust S207 so that the4 BRIGHTthe inspectionvoltmeter to S207 second grid from the rightin VIDEO INIC201 (32P) of the gray scale dims byabout 2
8、0%.3) Turn the knob (BRIGHT) tothe MAX position and 4) BRIGHT : MINconfirm that the three gridsfrom the left of the grayscale are distinguishable.4) Turn the knob (BRIGHT) tothe MIN position andconfirm that the three gridson the right of the gray scaleare distinguishable.1. After turning the unit on
9、, warmit up for 15 minutes beforeproceeding to the adjustment.IC201 27pinPuts a video2. Turn the knob (BRIGHT) to theSVR204WHITE signal forConnect a DCS204center position. (It is put to theDC : 1.75V0.1V5BALANCE the inspectionvoltmeter toS205center position at the momentIC201 28pinin VIDEO INIC201(2
10、7P or 28P) the unit is turned on.)SVR2053. R adjustment: Adjust S204 soDC : 1.80V0.1Vthat the background is reddish.4. B adjustment: Adjust S205 sothat the picture is gray.ADJUSTMENT1234512345DistinguishNot distinguish12345DistinguishNot distinguish5A B C D E1234567PC BOARDCONTROL UNITD302D301W801W8
11、04W802W803Z301Q302 Q303EBQ305Q304EBQ306SDGSDGQ801 Q802Q301IC301IC801C501C304 C305C306C804R810C302C814 C813C811 C812C803R309R303R501 R323R301R302R804 R803 R802 R801 R814 R813R808 C801C502 R805R811C303 C301 R823R821 R822R502 R810 C802R805 R806 R807 R812R308R322R324F301R315R316 R318 R319 C309 R321C308
12、R317 R320R325R307R310120VIDEOUPDOWNOG VRGBSW802SW801SW302IR501CONTROL UNITD303(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)Refer to the schematic diagram for the values of resistors and capacitors.CONTROL UNITIC Q Address301 2B801 4B802 4B6F G H I J1234567PC BOARD (COMPONENT SIDE VIEW)C311C302C110C103C227C
13、118C234C122C202C116C316C313C120C113C218C101C306C114R304 R305L201L303L202L203L302R307C304R303C301R302R301C117R102C105C107 R106 C108 C109R221 C111 C121C219C102R247F101R234R231R230C223R223R222C210C220R261R218C217 R219 R220 R217C216 C213 C211 C212R246C201R238 C229 R239R210 R209 C207 R240R202 R245 R244 R
14、206R248R215 C123R248R201 R203 C203 C204 C205 C208 R211C206C215 C214R207 R208 R216C221C222C224R241C225C226R233 R232 R229 R228 R227 R226 R225 R224 R214 R213R101 R103C112 R315 C312RN03 RN02C314C315C115R322 R235L301C307L102L101R320R321R306R315R314C317R309R316R310C318T301C308R311R312R313C303C305R107R108R
15、105R104C106R318C309R317C119C231C232R26R237R242R243R204R205R212C2281212244837111110 615181691485816 9202013542536C230C209C267C269RN01R250X202X201C233BEEB671D302W301R308SVR101SVR102S208S209S201S202S207 S206 S205 S204 S203D102D305D105W202D205D203D202D201D104D204D208D207 D206Z301Q301BEQ303Q304SGDQ307EBQ
16、101BEQ302BEQ305BEQ306EBQ201W201EBQ202EBQ204EBQ203IC301MAIN UNITIC101IC201IC202IC302T101D304D303D103D101MAIN UNITIC Q Address101 3G201 6G202 6H301 2G302 3H101 4G201 7H202 7H203 7F204 7F301 2H302 2H303 2H304 2H305 3H306 3H307 3HRefer to the schematicdiagram for the valuesof resistors and ca-pacitors.7
17、ONMLK1234567PC BOARD (FOIL SIDE VIEW)MAIN UNITRefer to the schematic diagram for thevalues of resistors and capacitors.A B C D E123456747K47K47K47K47K47K47K47K14.0V31.0V5.0V5.0V0V0.6V5.0V5.0V5.0V5.0V0.6V0V5.0V0V4.2V1.1V5.0V4.3V4.3V4.6V5.0V5.0V14.0V12.9V0.3V5.0V0V7.0V13.5V0V 0V7.2V3.6V1.6V2.4V2.6V2.6
18、V5.1V2.6V0V0V0V 13.5VIC301IC302IC202IC201CONTROL UNITMAIN UNITD206D204S201S203TINTCOLORS202S209PICTUREQ203Q204Q201Q202D302Q301Q302D304D303Q307D305Z301Q305Q306T301W201W802W801D304DNSW802UPSW801Q802Q801RCAVIDEO INQ304Q303D201IC101 : FA7610NIC201 IR3Y31M(AC):IC301IC202TL494C(AC)BU4SU69(AC):IC302 MI4538
19、B(AC):FU9024(AC)Q307 :Q202Q302,305Q301Q201,203,204,3062SA1037K(R)2SC2412K(R)2SA1037K(R)DTC144EK:Q101,303,304: 2SC3518(AC)D101 RS1J(AC):D102,105,201-204,MA152K:D103,303,304 RB160L-40:206-208,302,305Z301 HZ9C1(AC):(MAIN UNIT)(CONTROL UNIT)Q801,802D3042SK208(AC)RB160L-40:W301BACK LIGHTLAMPB LINEB LINEG
20、ND LINEDIGITAL LINED104 MA158(AC):16 15 14 13 12 11 10 91 2 3 4 5 6 7 8910111213141516Q2A2RESETRX2CX2VDD87654321VSSQ1A1RESETRX1CX1141321011128956734431464748 4445VCC1TRAPH FILTERCOMPY/C18uHL202100PC267L203 18uHC26968P10u16+C202Y/CCOMPR203 10MC203 680PIDENTCOLORACCC204 0.01C233 100P47R250C205 0.047R2
21、07 8.2KR208 10KC206 0.01R210 6.8KR209 4.7KC207 0.01C208 0.1R211 1MC209 0.01R204 6.8KR205 56K0C210 0.010R213 22KR24927K 27K22KC214 0.0104710C2138.2R2256KR2193.58MHzX2020C2114.43MHzC21218PX201R2172.2KR2162.2K27K22K15KR212R238 18K6800PR239C229 1u16+C230 0.010 3.3K16K0ACC DETACC DETCLAMPSWPICTUREAPCVCOT
22、INTPHASESHIFTPAL SW FACC DETKILLERHPFY/CCOMPREG2REG3REG1PNPNR241 680K330K403942100KR2486.8K1000P3.3KR31410K10KR306C304 0.220.22C3033.9KR3020.022C301R304 1KR305 1K2.2KR3011KR3034.7u35C302 +2.2KR31022R31122R309R312220.22C317R313 22L303 0.22uHL302 0.22uH100uHL3014.7u35+C306150R316B2Q2B1Q1R320 10100u6.3
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