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Kenwood LZ-702W, Service Manual

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Kenwood LZ-702W Service Manual Download Page 8

LZ-702W

8

r

 : Horizontal display starting position setting

N

HPOS1 HPOS2 HPOS3 HPOS4

-8

Lo

Lo

Lo

Hi

-7

Hi

Lo

Lo

Hi

-6

Lo

Hi

Lo

Hi

-5

Hi

Hi

Lo

Hi

-4

Lo

Lo

Hi

Hi

-3

Hi

Lo

Hi

Hi

-2

Lo

Hi

Hi

Hi

-1

Hi

Hi

Hi

Hi

0

Lo

Lo

Lo

Lo

+1

Hi

Lo

Lo

Lo

+2

Lo

Hi

Lo

Lo

+3

Hi

Hi

Lo

Lo

+4

Lo

Lo

Hi

Lo

+5

Hi

Lo

Hi

Lo

+6

Lo

Hi

Hi

Lo

+7

Hi

Hi

Hi

Lo

Truth Value Table

q

 : Monitor type switching

FRONT

OEM+

REAR

TYPE 0

H

H

L

TYPE 1

H

L

H

w

 : Touch panel input mode

Touch

Waiting

Reading “X”

Reading “Y”

detection

Y0

L

L

L

H

X0

L

L

H

L

X1

L

H

L

H

e

 : Display mode switching

FULL

NORMAL

WIDE

ZOOM

CINEMA

MODE1

L

H

L

H

L

MODE2

L

L

H

H

L

MODE3

L

L

L

L

H

MICROCOMPUTER’S TERMINAL DESCRIPTION

Summary of Contents for LZ-702W

Page 1: ...M O N I T O R H I D E A W A Y U N I T T O MONITOR POW ER L R VID EO L R AV O U T P U T VID EO L R AV OUT VOLUME SP V OFF PWR MODE OFF SCRN V SEL MODE MENU WIDE LCD TOUCH SCREEN MONITOR Panel assy A64 3921 02 Mounting hardware W01 1621 05 Accessory W01 1672 04 Escutcheon B07 3174 01 Metallic cabinet A01 4406 02 DC cord with fuse E30 6587 05 Cord with plug 3 5m E30 6538 05 Screw set N99 1782 05 ...

Page 2: ... 3V MIRROR MODE1 3 HPOS1 4 NTSC PAL N P IN VG VB VR V MUTE X0 X1 Y0 XDATA YDATA SW3 3V G OUT B OUT R OUT SPL CX UPSD MENU SCREEN POWER MODE V SEL VOL VOL RESET X0 X1 Y0 Y1 CPV STH1 2 CPH1 2 3 STV1 2 HDIR NGOE1 2 3 SW5V SW5V REV REMOTE SDA SCL P ON PARK NDATA TDATA A MUTE 14V 12V 18 5V MASK V SYNC H SYNC DATA CLK CS OSD SW V SEL V COM COMP OSD G OSD B OSD R BLK INV PWN INV ENABLE POWER SCREEN MODE ...

Page 3: ...mV 580mV 3 97V 350mV MOD LEVEL 600mVp p NAVI L R L R 16 VIDEO UNIT X35 LEVEL DIAGRAM AUDIO ELECTRIC UNIT X34 AV IN1 AV SWITCH CONNECTOR IC501 J801 AV IN2 NAVI AV OUT VIDEO IC103 PROCESSOR LCD 6dB ATT VIDEO SW IC401 IC604 RGB SW VIDEO SW IC401 IC301 u COM OSD IC3 J102 J102 J601 J103 CONTROLLER TIMING AV 1Vp p 1Vp p AV R G B NAVI 2Vp p SYNC 1Vp p 1Vp p 700mVp p RGB 450mVp p RGB 2Vp p 3 9Vp p RGB 1Vp...

Page 4: ...s muted Q404 406 MUTE DRIVER Muting driver for Lch and Rch VIDEO UNIT X35 4640 60 Ref No Application Function Operation Condition Compatibility IC1 V SYNC DELAY BUFFER Buffer for V SYNC delay signal IC3 TIMING CONTROLLER Controls LCD modulator IC4 PLL LPF LPF for PLL control VT voltage control IC101 3 3V 5V 3 3V 5V conversion IC103 TIMING CONTROLLER Controls LCD modulator IC104 V MUTE COMPOSER Com...

Page 5: ...ER Drives V SEL signal Q111 COMP SYNC MUTE Mutes COMP SYNC signal Q114 R SIGNAL MUTE Mutes RED signal Q116 G SIGNAL MUTE Mutes GREEN signal Q117 B SIGNAL MUTE Mutes BLUE signal Q200 TOUCH PANEL X1 SW Puts voltage when panel touched is detected or X axis input is on Q201 TOUCH PANEL X0 SW Puts voltage when X axis input is on Q202 TOUCH PANEL Y1 SW Puts voltage when Y axis input is on Q203 TOUCH PAN...

Page 6: ... Not used 24 INV PWM O PWM control for backlight 25 NC O Not used 26 SP VOL O Volume control for speaker Controls by using DUTY of PWM 27 28 NC Not used 29 NDATA I Serial communication from navigation 5V interface 30 TDATA O Serial communication to navigation 5V interface 31 NC Not used 32 OSD R O OSD red output 33 OSD G O OSD green output 34 OSD B O OSD blue output 35 GAMMA DATA O Communication t...

Page 7: ...8 TYPE 2 I NAVI OFF display switching H No displaying L displaying 69 REV DET I Reverse detection L Reverse 70 PKG DET I Parking detection H Parking 71 ADC SW O A D port switching H VCOM IN is selected at pin 92 L DIM SENS is selected 72 PON O Power on H Power supply of SWs are ON 73 74 NC Not used 75 Y0 O Touch panel control signal Refer to the truth value table w 76 77 X0 X1 O Touch panel contro...

Page 8: ...Lo Lo Lo 2 Lo Hi Lo Lo 3 Hi Hi Lo Lo 4 Lo Lo Hi Lo 5 Hi Lo Hi Lo 6 Lo Hi Hi Lo 7 Hi Hi Hi Lo Truth Value Table q Monitor type switching FRONT OEM REAR TYPE 0 H H L TYPE 1 H L H w Touch panel input mode Touch Waiting Reading X Reading Y detection Y0 L L L H X0 L L H L X1 L H L H e Display mode switching FULL NORMAL WIDE ZOOM CINEMA MODE1 L H L H L MODE2 L L H H L MODE3 L L L L H MICROCOMPUTER STERM...

Page 9: ...ems RGB_Amplitude Bright Ganma1 Ganma2 CONT_RGB2 SUB_Bright_R SUB_Bright_B COM_Amplitude E2PROM normal write or abnormal result will display on the screen While E2PROM normal write or abnormal result is being displayed touch below Return and cancel the Adjustment Screen Chroma Func screen After the Chroma Adjustment save the memory into the E2PROM Press Next key and change the setup items Press ke...

Page 10: ... Except for AV IN2 and screen adjustment it boots up in de fault regardless of E2PROM s last value AV IN2 Initial configuration R cam Reverse On Mirror Off Screen adjustment Default is center Click once to change between Full_Down Center Full_Up BRT default is MAX Auto_Dimmer s default is off and Dimmer level is 0 to elimi nate the wait time for switching detection E2PROM When booting up in test m...

Page 11: ...tment is ran enter the signal below and adjust by OSD Line RGB Level Value 1step 20 39 0 0 0 2step 40 59 36 36 36 3step 60 79 73 73 73 4step 80 99 109 109 109 5step 100 119 146 146 146 6step 120 139 182 182 182 7step 140 159 219 219 219 8step 160 179 255 255 255 Line up the same value shown above starting from the left 1H 61H 121H 181H 241H 301H 361H 421H 60H 120H 180H 240H 300H 360H 420H 480H Ver...

Page 12: ... 1 6V sampling VG volt age value b from 44 46 48 50 52 at 5H five times and sampling VG voltage value a from 45 47 49 51 53 at 5H five times e 2 If VCOM_IN at 43H is below 1 6V sampling VG volt age value a from 44 46 48 50 52 at 5H five times and sampling VG voltage value b from 45 47 49 51 53 at 5H five times The timing of sampling is at 38 0µsec 15 from the leading edge of H r Eliminate the maxi...

Page 13: ...djust to the adaptation value Change SUB BRIGHT_R in order to have the VR volt age equals to the above average voltage d and Vsbr Adjustment i VCOM_IN Sampling the voltage value at the VCOM_IN and adjust to the adaptation value Positive negative appraisal at the 2nd step is run at 43H and sampling is run between 44H and 53H q Starting with the OSD_VSYNC pulse leading edge count the OSD_HSYNC pulse...

Page 14: ...n 35 of IC103 measure and adjust as shown below eFirst monitor R output and change the TINT values to adjust using UP Down keys of remote controller so that oscillation width per each horizontal scanning period would match Refer to Fig 1 and Fig 2 In Fig 1 the oscillation width of R output and B output per horizontal scanning period is not matched In Fig 2 the oscilliation width of R output per ho...

Page 15: ...Touch key on the Test mode menu screen to enter the Touch panel adjustment screen wTouch the center of K mark below in the following order Upper left Upper right Lower left Lower right eAfter adjustment is completed for 4 areas if Write_OK is displayed the adjustment is completed Press Return key to exit Touch adjustment If the central section of the K mark has not be pressed accurately press Canc...

Page 16: ... C203 C204 C205 C209 C210 C211 C402 C405 C406 C407 C408 C503 C504 C506 C509 C511 C514 C607 C608 C609 C618 C619 C622 C101 L101 1 4 5 8 1 12 36 25 37 48 24 13 4 1 8 5 1 8 16 9 1 4 8 5 1 5 8 4 1 4 5 8 1 4 8 5 1 4 8 5 O I G D607 D608 D602 D609 D801 D802 D803 D805 D806 D808 D103 D404 D809 D810 P101 J601 J101 J801 J103 J102 D101 IC604 IC102 IC401 IC603 IC602 IC801 IC201 IC202 IC501 IC601 IC101 ELECTRIC ...

Page 17: ...3 R611 R614 R615 R617 R61 TP819 TP820 TP709 TP405 TP205 TP210 TP707 TP710 TP102 TP103 TP601 TP817 TP818 TP101 TP104 TP105 TP201 TP202 TP203 TP204 TP206 TP207 TP208 TP209 TP401 TP402 TP403 TP404 TP602 TP603 TP604 TP605 TP606 TP607 TP608 TP609 TP610 TP611 TP708 TP801 TP802 TP803 TP804 TP805 TP806 TP807 TP808 TP809 TP810 TP811 TP812 TP813 TP814 TP815 TP816 B E B E B E B E B E B E B E B E D606 Q103 Q4...

Page 18: ...37 C51 C111 C115 C127 C142 C143 C517 R35 R39 R42 R47 R49 R67 R69 R110 R119 R120 R125 R138 R145 R147 R151 R154 R297 R298 R537 R549 C413 C C313 C314 C406 R411 X300 C27 C28 C30 C31 C112 C118 C120 C122 C124 C126 C129 C130 C132 C136 C137 C144 C145 C146 C221 C227 C228 C253 C254 C255 C259 C531 C810 C812 C813 C821 C822 C906 C907 C908 C909 C910 C911 C L5 L901 C537 R123 R1 R4 R5 R8 R9 R10 R21 R22 R23 R24 R3...

Page 19: ...300 C507 C509 C819 C803 C800 C805 C804 C806 C808 C823 C824 C825 CP304 CP305 CP306 CP307 CP308 CP309 CP312 CP313 CP314 CP315 R325 R314 L500 R304 R305 R306 R307 R404 R406 R407 R408 R412 R413 R415 R416 R323 R320 R322 R318 R324 R327 R326 R333 R332 5 4 1 4 5 8 4 1 5 8 8 9 16 G O G O 8 1 4 4 8 5 1 81 80 31 50 51 10 6 1 5 30 2 11 10 1 10 4 5 8 4 B E B E B E B E B E TP308 TP309 TP306 TP33 Refer to the sch...

Page 20: ... C107 R536 CP303 C200 C201 C305 C306 C307 C309 C317 C318 C319 C320 C325 C524 C542 CP323 R200 R201 R545 C101 C147 C505 C506 C508 C520 C521 C523 C527 C529 C801 C802 C809 C815 C816 C817 CP300 CP302 R331 R335 CP322 C125 C826 R122 R126 R128 R130 R131 R135 R136 R160 R162 R163 R164 R175 R202 R203 R204 R205 R265 R300 R302 R310 R311 R503 R505 R514 R517 R518 R520 R523 R524 R525 R526 R527 R528 R529 R531 R532...

Page 21: ...3 R270 R929 R930 R931 R932 3 4 5 3 4 5 4 1 3 4 5 8 3 2 4 B E C B E B E B E B E TP15 TP238 TP26 TP400 TP30 TP32 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP27 TP28 TP29 TP31 TP900 TP901 TP902 TP903 TP904 TP905 TP906 TP907 TP908 TP909 TP910 TP911 TP912 TP913 TP914 TP915 TP916 TP917 TP918 TP919 TP511 TP40 Refer to the schematic diagram for ...

Page 22: ...22u50 R614 1K 4 TP708 R116 0 0 R107 TP709 BOUT BSAG SW2 OUT2 SW3 OUT3 IN3A 8 7 6 IN3B GND3 IN2A 9 10 11 GND2 OUT1 IN1B SW1 5 4 3 2 1 IN1A VCC IN2B GND1 12 13 14 15 16 10K C618 330u6 3 R615 AOUT ASAG GND 4 3 10K 330u6 3 R617 C619 V 5 6 C622 330u6 3 R401 R619 10K 10K AOUT ASAG GND 4 3 BOUT BSAG V 5 6 C211 R209 TP609 TP608 TP601 NAVI G NAVI R GND 75 R601 R605 75 R611 C610 100 100 R612 C611 1 1 NR NG ...

Page 23: ...AUDIO LINE B LINE VIDEO LINE X34 432x xx MONITOR INTERFACE R501 100 C505 2 2 R402 75 R616 75 R620 75 R618 75 R808 100 R807 100 R806 100 R805 100 R804 100 R803 100 R802 100 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 ACC for INV ACC for DC DC GND GND R G B COMP SYNC PARK SW TDATA VGND NDATA P ON SCL SDA REVERSE SW REMO Lch AGND Rch R414 100 20 R504 100 R502 C624 1 R622 5 6K C506 C509 10u16 1...

Page 24: ... 100 R912 R900 75 R909 75 R910 75 R911 75 R901 100 R902 100 R903 100 R904 100 R905 100 R907 100 R906 100 R908 100 10u16 C821 10u16 C822 C SYNC B G R TP908 TP907 TP906 TP905 TP904 TP903 TP902 TP901 TP900 2W 1 5 R987 2200u16 C904 L901 220u16 C910 220u16 C911 47uH L902 F901 1 25A 47uH TP909 TP910 TP911 TP912 TP913 TP914 TP915 TP916 TP917 TP918 TP919 SCL 70 30 29 69 SDA OUT GND IN IN GND OUT 220u16 C9...

Page 25: ... 9 10 ABRT IL BOSC DBRT EN DRV VBATT1 OUTL PGND1 BTL 20 19 18 17 16 15 14 13 12 11 AGND ISFB VLFB FT CCOMP REF VBATT2 OUTR PGND2 BTR OUT VDD NC VSS 4 3 1 2 1 2K R808 1 5K R813 0 015 C227 10 C253 24K R289 180K R237 20K R256 0 R226 R233 180K 1 C254 13K R235 P 21 1 C228 K 74 0 1 C232 0 1 C231 0 1 C252 0 1 C234 27P C255 10 R236 100u16 C823 3K R814 2 2u50 C810 470P C809 5 1K R819 0 1 C826 10K R818 10K ...

Page 26: ...VCCI OSCHLF NC ACC DET SYS ON POWER KEY OSD SW NC NC INV PWM NC SP VOL NC NC NAVI TXD NAVI RXD NTSC PAL MODE3 MODE2 MODE1 HPOS4 HPOS3 HPOS2 HPOS1 R IN G IN B IN DIM SENS VCOM IN YDATA XDATA NC NC NC NC VCCE NC T D 1 2 10 9 8 7 6 5 4 3 2 1 W RXD CNVSS RESET GND EPM W CE W TXD W CLK BUSY 3 3 V 100 CP304 100 CP306 CP325 10K 76 75 77 78 80 10K R334 R337 0 70 69 100 CP312 58 57 59 60 55 100 CP309 51 54...

Page 27: ...0 R28 100 R59 1000P C18 22 21 17 560P C6 R25 10K C38 PAL 16 1K MIRROR UPSD VSS2 R177 78 81 0 10K R31 VDD1 R176 0 17 18 19 20 R30 10K 560 R24 100P TP4 VSY TP33 C40 13 COMPS 14 TP6 15 POLC POLS R26 220 12 NCLP NDSV R74 220 CPV STV1 CX NVD NHD RV HSRV NGOE3 VDD2 STV2 NGOE2 NGOE1 R57 100 28 R58 100 R63 100 TP7 R27 1K R33 R37 1K 25 27 23 22 21 TP8 26 24 25 27 R62 100 R56 100 R60 100 R61 100 31 28 29 30...

Page 28: ... D214 217 240 241 EP05Q04 D216 EC10QS04AG D303 912 915 DAP202U D408 502 UDZS6 8B D500 501 EC31QS04AG D800 807 DNF324U 4 X35 464x xx TC7SH08FU F NJM2107F ZB IC1 402 901 IC3 TC7SET04FU F IC101 106 1SR154 400 D808 916 D900 901 904 905 STZ6 2N AVRM1608180M6A D909 910 TC200G02G0104 IC4 C128 25 3 579545MHz 0 01 0 01 C129 OSD R OSD G C131 R123 560 1 820P C133 1M R149 1M R139 R144 C135 6800P 10 C132 0 0 1...

Page 29: ... 1 B A X34 432 X35 H J K N80 3008 41 N89 3006 48 N80 3008 41 A B C D N09 6271 05 N09 6416 05 N82 2005 48 N82 2012 43 2 6x6 1 7x6 218 248 251 252 210 201 756 702 207 PA1 211 212 222 246 Jx2 Jx2 Ax2 Ax2 Ax2 Dx2 Dx2 Bx2 Bx2 Cx2 Cx2 C C C Jx2 Jx2 Kx2 Hx2 F1 DC1 with F1 249 LCD1 236 721 757 250 205 237 ...

Page 30: ...113 CK73GB1H103K CHIP C 0 010UF K C114 CD04AS1C101M ELECTRO 100UF 16WV C115 CK73GB1H104K CHIP C 0 10UF K C116 CK73FB1C105K CHIP C 1 0UF K C119 CD04BA1C100M ELECTRO 10UF 16WV C201 202 CK73GB1H102K CHIP C 1000PF K C203 CD04BA1H2R2M ELECTRO 2 2UF 50WV C204 CD04AY1H220M ELECTRO 22UF 50WV C205 CD04BA1H2R2M ELECTRO 2 2UF 50WV C206 CD04BA1C100M ELECTRO 10UF 16WV C207 CK73GB1H104K CHIP C 0 10UF K C208 CD0...

Page 31: ...FB2B101J CHIP R 100 J 1 8W R505 506 RK73GB2A562J CHIP R 5 6K J 1 10W R507 508 RK73GB2A473J CHIP R 47K J 1 10W R509 510 RK73FB2B471J CHIP R 470 J 1 8W R513 514 RK73GB2A102J CHIP R 1 0K J 1 10W R601 RK73GB2A750J CHIP R 75 J 1 10W R602 604 RK73FB2B101J CHIP R 100 J 1 8W R605 RK73GB2A750J CHIP R 75 J 1 10W R606 RK73FB2B102J CHIP R 1 0K J 1 8W R607 RK73FB2B101J CHIP R 100 J 1 8W R608 RK73FB2B102J CHIP ...

Page 32: ...73GB1H104K CHIP C 0 10UF K C122 CK73GB1H103K CHIP C 0 010UF K C124 CK73GB1H103K CHIP C 0 010UF K C125 CK73GB1H104K CHIP C 0 10UF K C126 CK73GB1H103K CHIP C 0 010UF K C127 CK73GB1H102K CHIP C 1000PF K C128 CK73HB1E103K CHIP C 0 010UF K C129 CK73GB1H103K CHIP C 0 010UF K C130 CK73GB1A105K CHIP C 1 0UF K C131 CC73GCH1H821J CHIP C 820PF J C132 CK73EB1A106K CHIP C 10UF K C133 CK73GB1A105K CHIP C 1 0UF ...

Page 33: ...V C814 CE32BJ1C101M CHIP EL 100UF 16WV C815 CK73GB1A105K CHIP C 1 0UF K C816 CC73GCH1H471J CHIP C 470PF J C817 CK73GB1A474K CHIP C 0 47UF K C818 CK73GB1H104K CHIP C 0 10UF K C821 822 CE32CL1C100M CHIP EL 10UF 16WV C823 CE32BJ1C101M CHIP EL 100UF 16WV C824 826 CK73GB1H104K CHIP C 0 10UF K C827 CE32BJ1C470M CHIP EL 47UF 16WV C904 C90 5670 05 ELECTRO 2200UF 16WV C906 CE32BM1C221M CHIP EL 220UF 16WV C...

Page 34: ...HIP R 100 J 1 16W R128 RK73GH2A512D CHIP R 5 1K D 1 10W R129 RK73GH2A152D CHIP R 1 5K D 1 10W R130 RK73HB1J101J CHIP R 100 J 1 16W R132 RN73GH1J472D CHIP R 4 7K D 1 16W R133 RK73HB1J000J CHIP R 0 0 J 1 16W R134 RN73GH1J222D CHIP R 2 2K D 1 16W R135 136 RK73HB1J000J CHIP R 0 0 J 1 16W R137 138 RK73GH2A102D CHIP R 1 0K D 1 10W R139 RK73HB1J561J CHIP R 560 J 1 16W R140 142 RK73HB1J102J CHIP R 1 0K J ...

Page 35: ...4 3K J 1 10W R514 RK73GB2A102J CHIP R 1 0K J 1 10W R516 517 RK73GB2A103J CHIP R 10K J 1 10W R518 RK73GB2A102J CHIP R 1 0K J 1 10W R519 520 RK73GB2A103J CHIP R 10K J 1 10W R521 RN73GH1J103D CHIP R 10K D 1 16W R522 RN73GH1J622D CHIP R 6 2K D 1 16W R523 524 RK73GB2A223J CHIP R 22K J 1 10W R525 RK73GB2A472J CHIP R 4 7K J 1 10W R526 RK73GB2A330J CHIP R 33 J 1 10W R527 RK73GB2A102J CHIP R 1 0K J 1 10W R...

Page 36: ...4CS02AFTTBG ROM IC IC304 TC7W53FU F MOS IC IC400 RS 171 ANALOGUE IC IC401 TPS855 ANALOGUE IC IC402 TC7SH08FU F MOS IC IC500 MP1015EMC011LF ANALOGUE IC IC501 BA9743AFV ANALOGUE IC IC502 TA58L05F ANALOGUE IC IC503 SI 3033LUSNF ANALOGUE IC IC505 SI 3050KMS ANALOGUE IC IC506 SI 3033LUSNF ANALOGUE IC IC801 NJM4565MD ZB ANALOGUE IC IC802 TDA7052BT F ANALOGUE IC IC901 TC7SH08FU F MOS IC Q1 2SC4097 TRANSI...

Page 37: ...0 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C C 7 3...

Page 38: ...ack lighting Cold cathode tube Speaker power 0 5W 40 x 20mm Hideaway Unit Electric Unit Color system NTSC PAL Video input level RCA jacks 1 0 1Vp p 75Ω Audio input level RCA jacks 1V 55kΩ Video output level RCA jacks 1 0 1Vp p 75Ω Audio output level RCA jacks 1V 1kΩ Analog RGB input 13P 0 7Vp p 75Ω General Operating voltage 14 4V DC 11 16V Consumed Power 14W Current consumption 1 5A Operational te...

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