Jensen Audio DV-7780 Service Manual Download Page 26 | Manualshive

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SCH REVISION: 01

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DESCRIPTION

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Foryou General Electronics Co., Ltd.

DV-7550 KEYBOARD

Ver01

TITLE

DV-7550

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Summary of Contents for 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: ...hether the power supply is accord with the specification 2 Check whether the fuse in the filter box of the power line has been blown 3 Check whether the ACC is connected to the high level The ACC is connected to the battery generally 4 If the trouble is still not solved yet check the connection between the front panel and the mainboard If necessary change the connector 5 If the unit shuts down aut...

Page 3: ...board part 9 White screen 1 Check the connection between the loader and the mainboard the mainboard and the power supply board of TFT the power supply board of TFT and the TFT 2 If the trouble is still not solved change the power supply board of TFT 3 If the trouble is still not solved after the above operation change the Display part 10 Black screen No display in the TFT 1 Check the connection be...

Page 4: ...he front panel is valid that is to say the mainboard works normally Check whether the battery of the remote controller is available or change another one good 3 If the key in the front panel is viod you should check the connection between the front panel and the mainboard If necessary change the FFC conector 4 If the trouble is still not solved yet change the front panel 5 If the trouble is still ...

Page 5: ...t insert one disc 1 Check whether there is another disc in the unit 2 Check the connection between the loader part and the mainboard part If necessary change the connector 3 If the trouble still exists change the loader part 4 If the trouble is still not solved after the above operation change the mainboard part 22 Can not eject the disc 1 Check the connection between the front panel and the mainb...

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Page 7: ...12123050155014 1 121210200816064 121220000229015 DV 7780 SCREEN LENS PC SIL DV7781165A FRONT PANEL ABS PC MET TI ...

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Page 14: ... REF NO 2 DESCRIPTION SGN APP DESCRIPTION MODEL NO DRAWN BY CHECKED BY TECHNICS BY APPROVED BY A Foryou General Electronics Co Ltd DV 7781 MAINBOARD ZR36966H VER03 1 TITLE TUNER VIDEO AMP MCU SUPPLY MPEG DV 7781 2009 07 09 SCH REVISION V03 PCB REVISION V03 ...

Page 15: ...4 A SPDIFIN IO 18 105 VDDAPWM 106 GPIO 19 PWM5 PWM4 107 GPIO 20 PWM4 108 GPIO 21 PWM3 109 GPIO 22 DA3 PWM3 110 GNDAPWM 111 GPIO 23 PWM2 112 GPIO 24 DA2 PWM2 113 GPIO 25 PWM1 TD2 114 GPIO 26 DA1 PWM1 RD2 115 GPIO 27 PWM0 116 GPIO 28 DA0 PWM0 117 GNDC 118 GPIO 29 AMCLK 119 VDDP 120 GPIO 30 ALRCLK 121 GPIO 31 ABCLK 122 GPIO 32 SPDIFO 123 GPIO 33 A SPDIFIN 124 GPIO 34 SPDIFIN 125 GPIO 35 126 GPIO 36 1...

Page 16: ...7 VCC 28 VSS 29 A4 30 A5 31 A6 32 A7 33 A8 34 A9 35 A11 36 NC 37 CKE 38 CLK 39 DOMH 40 NC 41 VSS 42 D8 43 VCCQ 44 D9 45 D10 46 VSSQ 47 D11 48 D12 49 VCCQ 50 D13 51 D14 52 VSSQ 53 D15 54 VSS U5 64Mbit HY57V641620HG C69 104 C70 104 C71 104 C72 104 C73 104 C74 104 C76 104 14 MODE0_SPI_CLK 2 MODE1_SPI_SSN 12 I2C_SCL_SPI_SIMO 13 I2C_SDA_SPI_SOMI 4 NRESET 1 NC1 3 NC3 6 NC6 7 NC7 8 NC8 9 NC9 10 NC10 5 VC...

Page 17: ...17 10k 1 NC R444 10k 1 NC R416 10k 1 NC R328 10k 1 NC C280 104 NC R445 10k 1 NC R418 10k 1 NC C122 106 10V 1206 NC C126 106 10V 1206 NC D115 IMSA 6801 EC10 47uF 16V NC 1 2 3 4 5 6 7 8 CN112 CON 8PIN B HD CONNECT NC R300 1K NC R301 1K NC FU6 1812 NC R360 100R NC R370 100R NC FU7 1812 NC TP1 TP5 TP6 TP7 TP8 TP2 TP9 TP10 1 3 5 7 2 4 6 8 RN128 MLV USB0004 NC FB133 CBY0603U601 NC FB24 CBY0603U601 RN127...

Page 18: ... 10 A 9 B 6 INH 13 X 3 Y 8 VSS 7 VEE 4 3Y 2 2Y 5 1Y 1 0Y 11 3X 15 2X 14 1X 12 0X U10 74HCT4052 R235 10k R144 10k C94 104 2 3 1 U11 A AT4558 R145 4 7M R196 4 7M C114 104 C118 104 R232 NC L1 1uH 0805 C26 11p C27 33p R38 390R 1 C28 33p R43 390R 1 L2 1uH 0805 C86 11p C89 33p R45 390R 1 C97 33p R46 390R 1 L3 1uH 0805 C99 11p C120 33p R48 390R 1 C121 33p R49 390R 1 R16 100k R50 100k 16 VDD 10 A 9 B 6 IN...

Page 19: ...B C Q111 KRC402 R224 100k R225 10k R237 10k R241 10k R274 10k R242 20k R281 200R R280 0R R265 200R R252 20k R253 20k R254 200R R270 0R R273 0R C268 103 R278 200R R283 20k R284 3k9 E B C Q124 KTD1304 R285 20k R325 200R E B C Q123 KRA304 R303 0R R304 0R C98 105 25V X7R C281 103 R340 3k9 E B C Q127 KTD1304 C230 103 R305 3k9 E B C Q115 KTD1304 C238 103 R308 3k9 E B C Q117 KTD1304 C246 103 R309 3k9 E B...

Page 20: ...C64 103 R189 1k R191 1k C198 105 R208 100k R212 100k R219 10k 1206 R218 47k R194 20k D1 1N4148 NC R502 6k2 NC C428 103 NC R197 39k 1206 NC R515 39k 1206 C429 104 R199 6k2 D2 1N4148 R200 20k BRAKE100 ZD107 18V D140 1N4148 C457 104 3 1 2 Q141 2N3906S R548 10k 1206 R532 20k R538 20k ZD1 5 1V R201 10k 1206 R524 20k D138 1N4148 R521 10k C65 104 R531 47k E B C Q1 2N3904S E B C Q139 2N3904S E B C Q138 2N...

Page 21: ... 103 1 2 CN108 CON2P SMD ZD106 12V C211 103 EC103 100uF 16V 1 OUT 2 GND 3 IN U146 78L12 SOT 89 D112 RB551 C454 105 C461 104 G S D M105 AO3401 R228 180k R227 4k7 E B C Q108 KRC402 G S D M111 AO3401 R485 180k R488 4k7 E B C Q136 KRC402 C181 106 16V 1206 C388 105 C146 105 L107 22uH CD32 1 IN 2 GND 3 OUT U119 78M08 DPAK C101 105 C116 104 D116 4148S EC147 100uF 16V C392 106 16V 1206 J105 C207 105 25V X...

Page 22: ... 2 1 D3 LED 2 1 D6 LED IN SW LED1 LED2 HOME SW SP SP LOAD LOAD SLED SLED GND BK GND BN GND YW 1 2 3 4 CN5 CONS4 NO SMT 1 2 3 4 5 6 CN6 CONS6 R234 330R R236 33R FB2 10uH 1206 TP3 TP4 TP11 TP14 TP15 TP16 TP31 TP32 TP33 TP50 TP57 TP62 TP65 TP66 TP67 TP68 TP71 TP72 TP73 TP74 TP75 TP76 TP77 TP78 TP80 TP81 TP82 TP84 TP85 TP86 TP17 R268 100R R269 100R FU4 1206 200mA NC FU8 1206 200mA TP95 1 AUDIO_R 2 AUD...

Page 23: ...Foryou General Electronics Co Ltd APPROVED BY TECHNICS BY CHECKED BY DRAWM BY PCB REVISION SCH REVISION SHEET MODEL NO CODE NO DESCRIPTION DV7510 TITLE DV7510 TFT驱动板原理图V02 VP77方案 ...

Page 24: ...105 25V X7R C2062 105 25V C2053 105 25V X7R C2052 105 25V X7R D2002 IN4148 D2005 IN4148 D2004 IN4148 D2003 IN4148 C2096 105 25V X7R C2063 105 25V X7R R2071 1k D2008 11V C2097 105 25V X7R C2092 106 25V Q2007 3906S 1 S0 2 S1 3 S2 4 GND 8 VCC 7 WC 6 SCL 5 SDA U2010 24C01 C2070 104 R2070 10k R2068 10k R2064 200R C2065 104 C2075 105 25V X7R R2065 200R C2076 105 25V X7R L2010 1R 0805 L2011 1R 0805 C2069...

Page 25: ...2007 10uH 0805 HS 1 2 3 4 5 6 7 8 BT2000 WAVE R2089 2k R2090 4k7 R2087 20R R2098 100k R2100 4k7 R2094 300k R2095 100k R2092 2k R2101 1k 0805 R2099 2k R2097 20k R2091 180R 1 R2088 3k3 R2093 10k R2086 10k C2110 103 C2112 152 X7R C2109 105 25V X7R C2113 105 25V X7R C2122 103 C2123 155 25V 1210 C2105 104 C2107 103 C2106 104 C2116 104 C2115 224 25V X7R C2108 472 X7R C2111 104 C2118 10p 3kV 1808 NPO Q20...

Page 26: ... 01 SHEET 01 02 CODE NO B C D 4 5 6 CHANGE MARKS 3 1 2 3 4 5 REF NO 2 DESCRIPTION 1 SGN APP DESCRIPTION MODEL NO DRAWN BY CHECKED BY TECHNICS BY APPROVED BY A Foryou General Electronics Co Ltd DV 7550 KEYBOARD Ver01 TITLE DV 7550 ...

Page 27: ...0 102 C1006 102 C1003 102 L1001 10uH 0805 R1021 4k7 1 R1020 4k7 1 R1022 0R C1008 102 C1001 102 C1002 102 1 1 2 2 U1000 LCD BACKLIGHT R1038 100R C1007 105 37 S20 38 S21 39 S22 40 S23 41 S24 42 S25 43 S26 44 S27 45 S28 46 S29 47 S30 48 S31 24 S7 23 S6 22 S5 21 S4 20 S3 19 S2 18 S1 17 S0 16 RESET 15 COM3 14 COM2 13 COM1 25 S8 26 S9 27 S10 28 S11 29 S12 30 S13 31 S14 32 S15 33 S16 34 S17 35 S18 36 S19...

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Page 34: ...3 141608000020 RES 2Ω 5 1 8W 1206 R4001 R4002 141803000103 CAP 10nF 10 50V X7R 0603 C4007 C4017 141803000104 CAP 0 1uF 80 20 16V Y5V 0603 C4001 C4003 C4004 C4002 C4008 C4011 C4005 C4009 C4013 C4012 C4014 C4015 C4016 141803000330 CAP 33pF 5 50V NPO 0603 C4006 141803010105 CAP 1uF 80 20 16V Y5V 0603 C4018 141809010106 CAP 10uF 80 20 16V Y5V 1206 C4000 142200000004 SW DIODE 1N4148 200mW 300mA SOD 323...

Page 35: ...0603 R2006 141604000113 RES 11kΩ 5 1 16W 0603 R2042 141604000151 RES 150Ω 5 1 16W 0603 R2002 R2003 R2004 R2151 R2152 R2153 141604000181 RES 180Ω 5 1 16W 0603 R2047 R2055 R2051 141604000182 RES 1k8Ω 5 1 16W 0603 R2028 R2029 R2046 141604000200 RES 20Ω 5 1 16W 0603 R2087 141604000201 RES 200Ω 5 1 16W 0603 R2064 R2065 141604000202 RES 2kΩ 5 1 16W 0603 C2129 R2089 R2092 R2099 141604000203 RES 20kΩ 5 1 ...

Page 36: ...2064 C2065 C2069 C2070 C2078 C2080 C2081 C2082 C2084 C2085 C2088 C2090 C2091 C2094 C2098 C2099 C2103 C2105 C2106 C2111 C2114 C2116 C2117 C2120 C2093 141803010105 CAP 1uF 80 20 16V Y5V 0603 C2015 C2046 C2040 C2041 C2045 C2051 C2052 C2053 C2062 C2023 C2039 C2063 C2075 C2076 C2079 C2096 C2097 C2109 C2113 C2125 141803010224 CAP 0 22uF 10 25V X5R 0603 C2100 C2101 C2115 141803010393 CAP 39nF 10 50V X7R ...

Page 37: ...00055 FFC SOCKET 26P 0 5mm DOWN CONTACT CN2001 143815000138 FFC SOCKET 6P 0 5mm DOWN CONTACT CN2000 123815000142 FFC SOCKET 8P 0 5mm DOWN CONTACT CN2002 143815000146 FPC SOCKET 36P 0 5mm SMD UP CN2003 842DV7721KB004 DV7711 KB SMT ASSM 141604000000 RES 0Ω 5 1 16W 0603 R1017 R1031 R1022 141604000101 RES 100Ω 5 1 16W 0603 R1035 R1036 R1037 R1038 141604000222 RES 2k2Ω 5 1 16W 0603 R1000 141604000474 R...

Page 38: ...010053 DECK DL 08H HOP1200W B PICK UP 843DV7781MB001 DV7781 MB MI ASSM 141842030227 E CAP 220uF 20 8 5 16V 105 EC17 141842000478 E CAP 4700uF 20 14 26 16V 105 EC101 EC102 141842060477 E CAP 470uF 20 8 12 16V 85 C EC143 141842060477 E CAP 470uF 20 8 12 16V 85 C EC18 123805000123 SOCKET 10P 1 5mm DIP 180 CN1 123805000306 SOCKET 12P 1 5mm DIP180 CN101 123805000555 SOCKET 20P 2mm DIP90 CN100 142400000...

Page 39: ...19 R358 R76 141604000184 RES 180kΩ 5 1 16W 0603 R78 R105 R109 R246 R485 R256 R228 R465 141604000201 RES 200Ω 5 1 16W 0603 R254 R265 R278 R281 R325 141604000202 RES 2kΩ 5 1 16W 0603 R23 R24 141604000203 RES 20kΩ 5 1 16W 0603 R200 R242 R252 R253 R283 R285 R524 R538 R20 R66 R182 R532 R194 141604000204 RES 200kΩ 5 1 16W 0603 R356 141604000205 RES 2MΩ 5 1 16W 0603 R120 R121 141604000221 RES 220Ω 5 1 16...

Page 40: ... 1 1 16W 0603 R211 R217 141604010104 RES 100kΩ 1 1 16W 0603 R215 141604010151 RES 150Ω 1 1 16W 0603 R138 141604010201 RES 200Ω 1 1 16W 0603 R394 141604010202 RES 2kΩ 1 1 16W 0603 R36 141604010222 RES 2k2Ω 1 1 16W 0603 R255 141604010303 RES 30kΩ 1 1 16W 0603 R374 R216 141604010331 RES 330Ω 1 1 16W 0603 R234 141604010391 RES 390Ω 1 1 16W 0603 R38 R43 R45 R46 R48 R49 R398 141604010391 RES 390Ω 1 1 16...

Page 41: ...03000270 CAP 27pF 5 16V NPO 0603 C169 C176 C77 C78 C164 141803000271 CAP 270pF 10 16V X7R 0603 C187 C422 141803000300 CAP 30pF 5 50V NPO 0603 C171 C172 141803000330 CAP 33pF 5 50V NPO 0603 C27 C28 C89 C97 C120 C121 C318 C323 C301 C184 C185 C331 C332 C333 C335 141803000470 CAP 47pF 5 16V NPO 0603 C175 141803000471 CAP 470pF 10 50V X7R 0603 C129 141803000561 CAP 560pF 10 16V X7R 0603 C95 C229 C236 C...

Page 42: ...31 142040000039 CHIP BEAD 0805 CBW0805U121MT 120Ω FB155 FB157 FB158 FB5 FB6 142040000054 CHIP BEAD 1206 0 5A 0 3Ω CBG321609U100T FB1 FB11 FB15 142090000011 POWER INDUCTOR 33uH 10 1 1A CDH74 L111 142200000004 SW DIODE 1N4148 200mW 300mA SOD 323 D2 D4 D9 D10 D11 D118 D119 D138 D140 D130 D5 D106 D116 D16 D21 D12 D15 D17 D18 142206000003 REC DIODE 1N4001 1A 1V 50V 1210 D131 D132 D101 D104 142206000022...

Page 43: ...XC6202P502PR SOT 89 TOREX U114 142400000579 IC KIA78M08 DPAK KEC U101 U119 142400000629 IC ST7FAUDIOAR9E TQFP64 ST FALSH 60K U112 142400000730 IC AM5766FM HSOP28 AMTEK MOTOR DRIVER U301 142400000819 IC CS4344 TSSOP 10 CIRRUS U12 142410000091 IC SST39VF1601 70 4C EKE TSOP 48 SST U7 142410000117 IC AT24C16BN SH T SOP 8 ATMEL U130 142410000142 IC 74HCT4052DB SSOP16 U8 U10 U14 U15 U139 142410000682 IC...

Page 44: ...50 135 OSP 10P 123210000125 TACT SW 2 5mm WT1107GSW1 25F 250gf SMD K3001 K3002 K3003 K3004 141604000000 RES 0Ω 5 1 16W 0603 R3003 R3010 141604000681 RES 680Ω 5 1 16W 0603 R3001 R3006 R3007 R3012 141604010103 RES 10kΩ 1 1 16W 0603 R3011 141604010152 RES 1k5Ω 1 1 16W 0603 R3005 141604010222 RES 2k2Ω 1 1 16W 0603 R3009 141604010332 RES 3k3Ω 1 1 16W 0603 R3002 R3004 141604010472 RES 4k7Ω 1 1 16W 0603 ...

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