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Jensen Audio DV-7780 Service Manual

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CAR AV SYSTEM
VM9214
Service Manual
The Service Guide of VM9214............1-4
Exploded View...................................5-12
Schematic Circuit Diagram.............14-27
PCB Layout.......................................28-33
Bill of materials.................................34-44
CLASS 1
LASER PRODUCT
Version 1.0

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Summary of Contents for Jensen Audio DV-7780

  • Page 1 CAR AV SYSTEM VM9214 Service Manual The Service Guide of VM9214....1-4 Exploded View........5-12 Schematic Circuit Diagram.....14-27 PCB Layout........28-33 Bill of materials.........34-44 CLASS 1 LASER PRODUCT Version 1.0...
  • Page 2 The Service Guide of VM9214 1. The Unit can not be powered on. 1) Check whether there is a fuse in the filter box of power line or whether the fuse has been blown. 2) If the unit can not be powered on yet, change the power line. 3) If the unit still can not be powered on, you should check whether the reset button is pushed down by the front panel.
  • Page 3 6. NAVI function failure 1) Check whether the connection is right. 2) theNAVI function is viod yet, change the mainboard part. 7. The fan can not work normally. 1) Check whether the power supply is turned on. 2) Check whether the power socket of the fan is connected firmly. 3) Chang a good fan.
  • Page 4 5) If not yet, change the video driver board part. 12. The icon of MUTE displays in the TFT at all times 1) Check whether there is any audio output. 2) If the audio output is normal, change the mainboard part. If the trouble is still not solved, change the display part.
  • Page 5 4) If there is no volume display in the TFT using the remoter controller to adjust the volume, change the mainboard part. 5) If the trouble is still not solved yet, change the display part. 19. The picture of playback is not fluent 1) Check whether the disc is dirty, scratched or deformed.
  • Page 7 121220000229015 DV-7780,SCREEN LENS,PC,SIL 121210200816064 DV7781165A,FRONT PANEL,ABS+PC,MET+TI 12123050155014...
  • Page 12 121210200561194...
  • Page 14 MARKS REF NO DESCRIPTION DV-7781 MAINBOARD (ZR36966H) (TUNER+VIDEO+AMP+MCU+SUPPLY+MPEG) VER03 2009-07-09 MODEL NO DV-7781 Foryou General Electronics Co., Ltd. SHEET: 1 / 9 PCB REVISION:V03 DESCRIPTION SCH REVISION:V03 TITLE DRAWN BY CHECKED BY TECHNICS BY APPROVED BY CODE NO:...
  • Page 15 VOSL- VOLD+ MOT_SPDL+ FACT- VOFC- VOTK- TACT- FACT+ VOFC+ VOTK+ TACT+ AM5888/AM5869 MODEL NO DV-7780 Foryou General Electronics Co., Ltd. DGND SHEET: 2 / 9 SCH REVISION:V03 PCB REVISION:V03 DESCRIPTION DRAWN BY CHECKED BY TECHNICS BY APPROVED BY ZR36966/DRIVER LVBO...
  • Page 16 1k/NC R264 RD1_3 U116 1k8/NC MAX232/NC R240 100R/NC R248 R406 MODEL NO 100R/NC 1k8/NC R403 DV-7780 Foryou General Electronics Co., Ltd. 100R/NC DGND R404 100R/NC DGND SCH REVISION:V03 SHEET: 3 / 9 PCB REVISION:V03 DESCRIPTION DGND DRAWN BY CHECKED BY...
  • Page 17 HD_DECT RN128 MLV/USB0004/NC CON-8PIN-B DGND HD CONNECT/NC DGND TP10 DGND B5GND B5GND MODEL NO DV-7780 Foryou General Electronics Co., Ltd. SHEET: 4 / 9 SCH REVISION:V03 PCB REVISION:V03 DESCRIPTION DRAWN BY CHECKED BY TECHNICS BY APPROVED BY TUNER/RDS/HD LVBO 123015020357...
  • Page 18 R378 C121 390R/1% C120 390R/1% 用复合管实现高电平锁存 . DGND C324 74HCT4052 DGND DGND DGND S3V3 CVBS_C DVD-V MODEL NO DV-7780 L117 1uH/0805 Foryou General Electronics Co., Ltd. FB158 RF33V [4,8,9] RF5V R398 C323 C318 FB157 CBW0805-121 390R/1% CBW0805-121 SCH REVISION:V03 C364...
  • Page 19 R383 200R [5] LFE R309 R384 KTD1304 Q119 KTD1304 R242 C246 C145 MODEL NO DV-7780 AGND Foryou General Electronics Co., Ltd. SHEET: 6 / 9 SCH REVISION:V03 PCB REVISION:V03 DESCRIPTION DRAWN BY CHECKED BY TECHNICS BY APPROVED BY LINEOUT/PWR-AMP LVBO...
  • Page 20 VSS_3 74HC00 74HC00 DGND R549 R215 [7] BEEP BBEEP U3-B 100k/1% U3-A MODEL NO Foryou General Electronics Co., Ltd. BU_DECT DV-7780 R527 R541 R540 100k ZD102 SHEET: 7 / 9 SCH REVISION:V03 PCB REVISION:V03 R216 DESCRIPTION 5V1/NC 30k/1% DGND DRAWN BY...
  • Page 21 4700uF/16V D100 4700uF/16V 1N5404 J106 U114 Q107 PGND KTC4375Y XC6202P502PR(S0T-89) 13mA J104 J107 MODEL NO C201 DV-7780 R226 TUGND Foryou General Electronics Co., Ltd. 4k7/1206 C205 J101 AGND SHEET: 8 / 9 SCH REVISION:V03 PCB REVISION:V03 DESCRIPTION M1-GND ZD105 SUPPLY...
  • Page 22 TP58TP59TP60TP61 TP71 TP73 DGND DGND TP68 TP66 POWER_KEY TP72 MODEL NO TP37 TP69 TP70 TP98 TP99 DV-7780 POWER_KEY Foryou General Electronics Co., Ltd. S3V3 [2,5,8,9] S3.3V LCD_CD LCD_CD SHEET: 9 / 9 SCH REVISION:V03 PCB REVISION:V03 DESCRIPTION LCD_CLK [2,9] C100...
  • Page 23 DV7510 TFT 驱动板原理图 V02 （ VP77 方案） MODEL NO DV7510 Foryou General Electronics Co.,Ltd DESCRIPTION SHEET: SCH REVISION: PCB REVISION: TITLE DRAWM BY CHECKED BY TECHNICS BY APPROVED BY CODE NO...
  • Page 24 VDD33 U2010 24C01 C2070 R2081 TGND R2082 R2030 R2068 CPH1 R2083 TS3V3 TS3V3 R2070 FB2004 CBY601 TCLK TS_CLK TGND FB2003 CBY601 修改 减小杂散电容的干扰 TDATA_IN TS_D_IN FB2002 TGND CBY601 TDATA_OUT TS_D_OUT Hawk 2007-08-08 FB2005 TGND CBY601 /PENIRQ PEN_IRQ 100R R2066 FB2001 CBY601 T_CS TS_CS...
  • Page 25 R2044 AGND CGND TGND C2122 L2000 1R/0805 15mA R2101 Ic=4.7mA R2049 TC2001 C2017 100uF/10V/D/2mm 1k/0805 C2118 R2014 CN2004 R2013 10p/3kV/1808/NPO 470R C2123 C2039 155/25V/1210 U2017 TGND 1.25Vpp C2029 MP1015 105/25V/X7R 3.3Vpp 106/16V CONS4 L2004 Q2001 WAVE BT2000 A=2.7 Q2008 2N3904 R2087 1.8u/0805 2N3904...
  • Page 26 MARKS REF NO DESCRIPTION DV-7550 KEYBOARD Ver01 MODEL NO DV-7550 Foryou General Electronics Co., Ltd. SHEET: 01/02 SCH REVISION: 01 PCB REVISION: 01 DESCRIPTION DRAWN BY CHECKED BY TECHNICS BY APPROVED BY TITLE CODE NO...

  • Page 27: Lcd Section

    MARKS REF NO DESCRIPTION LCD Section CN1000 LCD-PIN36-XJ S3V3 L1001 LCD36 COM4 10uH/0805 LCD35 S3V3 COM3 LCD34 R1023 COM2 LCD33 R1020 COM1 R1019 R1021 R1022 LCD1 C1019 4k7/1% 4k7/1% LCD2 10u/16V/1206 LED Section C1012 LCD3 C1005 LCD4 LED_5V LCD5 DGND LCD6 R1018 LCD7...
  • Page 34 842DV7711DR003 DV7711 DR SMT ASSM 141827000107 SMD E-CAP,100uF,±20%,6.3*5.5,16V,105℃ EC4001; 141827020476 SMD E-CAP,47uF,±20%,5*5.3,16V EC4000 EC4003; 142000000028 INDUCTOR,10uH,0805 L4001; 141604000000 RES,0Ω,±5%,1/16W,0603 R4020 R4000; 141604000101 RES,100Ω,±5%,1/16W,0603 R4010; 141604000102 RES,1kΩ,±5%,1/16W,0603 R4004; 141604000103 RES,10kΩ,±5%,1/16W,0603 R4003; 141604000153 RES,15kΩ,±5%,1/16W,0603 R4011; 141604000203 RES,20kΩ,±5%,1/16W,0603 R4021; 141604000221 RES,220Ω,±5%,1/16W,0603 R4009; 141604000272 RES,2k7Ω,±5%,1/16W,0603 R4008;...
  • Page 35 142000000028 INDUCTOR,10uH,0805 L2001 L2003 L2007;L2008 L2009 L2012; 142000000170 POWER INDUCTOR,10uH,CD31 L2013 L2014 L2016; 142040000030 CHIP BEAD,0603,600R,CBY0603U601MT FB2000 FB2001 FB2002;FB2003 FB2004 FB2005; 142640000022 T-3386(UI9.8) BT2000; 143805000214 SOCKET,2P,SM02B-BHSS-1-TB,PWR CN2004; 121090010122 VM-700,GROUND SPRING 141604000000 RES,0Ω,±5%,1/16W,0603 R2020 R2063; R2001 R2019 R2024;R2031 R2032 R2035;R2038 R2039 R2050;R2054 R2058 R2066;R2069 141604000101 RES,100Ω,±5%,1/16W,0603 R2073 R2074;R2076 R2084 R2111;...
  • Page 36 141606000010 RES,1Ω,±5%,1/10W,0805 L2000 L2010 L2011;L2015; 141606000102 RES,1kΩ,±5%,1/10W,0805 R2101; 141618000101 NET RES,100Ω*4,±5%,1/16W,0603 RP2000; 141803000101 CAP,100pF,±10%,50V,NPO,0603 141803000102 CAP,1nF,±10%,16V,X7R,0603 C2000 C2033; 141803000103 CAP,10nF,±10%,50V,X7R,0603 C2020 C2024 C2107;C2086 C2089 C2110;C2122 C2083; 141803000151 CAP,150pF,±10%,16V,X7R,0603 C2002 C2003 C2004;C2011 C2012 C2010; 141803000152 CAP,1.5nF,±10%,50V,X7R,0603 C2112; 141803000202 CAP,2nF,±10%,16V,X7R,0603 C2001 C2037; 141803000220 CAP,22pF,±5%,50V,NPO,0603 C2013 C2014;...
  • Page 37 142233000006 SCHTTKY DIODE,RB551,0.5A,20V,SOD-323,ROM D2000 D2001; 142245000048 TR,MMBT3906LT1(PNP),SOT-23,KEC Q2007; 142251000001 TR,2N3904(NPN),SOT-23 Q2001 Q2002 Q2003;Q2005 Q2008 Q2006; 142290000004 ESD DIODE,PG05GBUSV,200W,24A,5G ZD2000; 142400000741 IC,78L05,SOT-89,UTC U2002; 142400000117 IC,BA7071,SOP8,ROHM U2001; 142400000169 IC,HEF4069UBT,PHILIPS U2006; 142400000257 IC,MP1015,TSSOP20,MPS U2017; 142400000282 IC,NJM3414AM,SOP-8,JRC U2005; 142400000068 IC,AMS1117-3V3,SOT-223,AMS U2009; 142400000579 IC,KIA78M08,DPAK,KEC U2016; 142400000605 IC,TSC2046IPWR,TSSOP16,TI U2011;...
  • Page 38 141803000104 CAP,0.1uF,+80%-20%,16V,Y5V,0603 C1009 C1010 C1011;C1012 C1017; 141803010105 CAP,1uF,+80%-20%,16V,Y5V,0603 C1005 C1007; 141809010106 CAP,10uF,+80%-20%,16V,Y5V,1206 C1018 C1019; 142000000028 INDUCTOR,10uH,0805 L1000 L1001; 142290000004 ESD DIODE,PG05GBUSV,200W,24A,5G ZD1000 ZD1002; 142290000012 TR,KRC402,USM Q1001; 142251000001 TR,2N3904(NPN),SOT-23 Q1000; 142400000581 IC,BU9728AKV-E2,VQFP48,ROHM U1002; 143010040867 PCB,KB,DV7710,FR4,1.6,187*160,OSP,6P 123210000026 TACT SW,3.5mm,TS-03M-BS/RS,180gf,SMD K1000 K1002 K1003; K1001; 143405000036 LED,RED,FC-1608SEK-624C,0603,10mA LED1009;...
  • Page 39 R260 R153 R397;R7; R91 R95 R98;R118 R119 R122;R124 R127 R134;R175 R187 R189;R191 R195 R198;R202 141604000102 RES,1kΩ,±5%,1/16W,0603 R203 R206;R207 R210 R220; R233 R306 R324;R334 R543 R549;R27 R28 R74 R326;R331 R336 R31;R352 R476 R503;R504 R525 R141;R330 R162 R25; R6 R12 R14 R15;R44 R99 R136;R144 R180 R188;R225 R235 R237;R241 R258 R274;R275 141604000103 RES,10kΩ,±5%,1/16W,0603 R291 R351;R375 R376 R395;...
  • Page 40 R116 R117 R126;R178 R179 R213;R214 R218 R221;R316 R317 R359;R428 R527 141604000473 RES,47kΩ,±5%,1/16W,0603 R559;R560 R561 R531;R209 R146 R125; R298 R302; 141604000475 RES,4.7MΩ,±5%,1/16W,0603 R145 R196; 141604000181 RES,180Ω,±5%,1/16W,0603 R338; 141604000513 RES,51kΩ,±5%,1/16W,0603 R70 R81 R83; 141604000514 RES,510kΩ,±5%,1/16W,0603 R51 R54; 141604000560 RES,56Ω,±5%,1/16W,0603 R17; 141604000622 RES,6k2Ω,±5%,1/16W,0603 R199 R401;...
  • Page 41 141803000101 CAP,100pF,±10%,50V,NPO,0603 C178 C183;C200 C21; 141803000102 CAP,1nF,±10%,16V,X7R,0603 C414 C13 C30;C31 C32 C47;C51 C67 C303;C14; C15 C19 C37;C40 C56 C64;C83 C100 C162;C163 C197 C211;C214 C219 C253;C269 C409 141803000103 CAP,10nF,±10%,50V,X7R,0603 C413;C416 C427 C435;C147 C33 C39 C54; C128 C135 C145;C148 C230 C238;C246 C268 C281; C8 C10 C43 C57;C59 C61 C63;C108 C116 C186;C299 C307 C345;C421 C429 C457;C461 141803000104 CAP,0.1uF,+80%-20%,16V,Y5V,0603...
  • Page 42 141812000106 CAP,10uF,+80%-20%,25V,Y5V,1210 C208 C336; 141827000105 SMD E-CAP,1uF,±20%,4*5.3,50V,105℃ EC112; 141827000106 SMD E-CAP,10uF,±20%,4*5.3,16V,105℃ EC3 EC4 EC5;EC6 EC12 EC13;EC31; 141827000107 SMD E-CAP,100uF,±20%,6.3*5.5,16V,105℃ EC131 EC132 EC11;EC16 EC147 EC21;EC103 EC2; 141827000226 SMD E-CAP,22uF,±20%,4*5.3,16V,105℃ EC125 EC139;EC8 EC105; 141827000227 SMD E-CAP,220uF,±20%,6.3*5.5,6.3V,105℃ EC146 EC30; 141827020476 SMD E-CAP,47uF,±20%,5*5.3,16V EC7 EC19 EC20;EC22 EC24 EC25;EC27 EC28 EC29;EC107 EC141; 142000000028 INDUCTOR,10uH,0805 L113;...
  • Page 43 142290000009 TR,KRA304,USM Q110 Q123; 142290000012 TR,KRC402,USM Q11 Q100 Q101;Q102 Q108 Q111;Q112 Q133 Q136;Q142; 142290000022 TR,KTC4375Y,SOT-89,KEC Q107; 142290000025 TR,KTD1304,SOT-23,KEC Q8 Q119 Q115;Q117 Q124 Q127; 142290000026 TR,KTD1624C,SOT-89,KEC Q109; 142400000013 IC,74HC00,SOP14 142400000741 IC,78L05,SOT-89,UTC 142400000057 IC,AD8092ARZ-REEL7,SOIC-8,ADI U17; 142400000068 IC,AMS1117-3V3,SOT-223,AMS U136; 142400000093 IC,BA3121F,SOP8,ROHM U16; 142400000179 IC,IS42S16400-7T,TSOPII-54,ISSI 122400000207 IC,LD1117A-1.8V,SOT-223...
  • Page 44 143815000046 FFC SOCKET,24P,0.5mm,UPPER CONTACT CN303; 123815000093 FFC SOCKET,50P,0.5mm,DOWN CONTACT,HC CN107; 143815000191 FPC SOCKET,14P,0.5mm,SMD,UP CN3; 144800000001 FUSE,1812FSMD110,1.1A,6V,PTC FU100 FU106 FU10; 144800000012 FUSE,FSMD050-1206,0.5A,8V,PTC FU2 FU3 FU8; 142400000989 IC,XC6202PC02PR,SOT-89,TOREX U146; 141608000102 RES,1kΩ,±5%,1/4W,1206 R130; 141608000101 RES,100Ω,±5%,1/8W,1206 R100 R101 R102; 143015010389 PCB,MB,VM9214,FR4,1.2,194*176,OSP,1P 842DV7721MK003 DV7711 MK SMT ASSM 143010030440 PCB,P-KB,DV7510,FR4,0.8,150*135,OSP,10P 123210000125...