JVC-NXF7-cs-sch维修电路原理图.pdf
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1、SCHEMATIC DIAGRAMS Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-1 2-2 2-14 to 16 DVD-ROM No.SML2008Q2 COMPACT COMPONENT SYSTEM No.MB681SCH 2008/9 COPYRIGHT 2008 Victor Company of Japan, Limited. Lead free solder used in the board (material : Sn-Ag-Cu, melting point :
2、219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) NX-F7 CA-NXF7SP-NXF7FSP-NXF7F SP-NXF7W NX-F4B CA-NXF4BSP-NXF4BFSP-NXF4BF SP-NXF4BW (Except NX-F7EE) (Only for NX-F7EE ) NX-F7B,NX-F7E,NX-F7EN,NX-F7EV NX-F7EE,NX-F7UA,NX-F7US,NX-F7UB NX-F7UF,NX-F7UT,
3、NX-F4BB,NX-F4BE NX-F4BEN,NX-F4BEV RadioFans.CN 收音机爱 好者资料库 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the mark nearby are critica
4、l for safety. RadioFans.CN 收音机爱 好者资料库 2-1 COMPOSITE AUDIO IN AUDIO IN VIDEO OUT SCREEN MODE BCK, LRCK Y/G(DAC1), Cb/B(DAC2), Cr/R(DAC3), Y(DAC4), C(DAC5) OUT-L/R LIN, RINSLIN, SRIN AOUTC LRMUTE OUT-SL/SR AOUTSW Block diagram IC201 DRVER IC301 DV5 IC801 Q802 5V REG. DVD pickup mechanism A, B, C, D, E
5、, F, RF+, LPC1, LPC2 F+/- T+/- LD(CD) LD(DVD) Q101 to Q104 LASER DRIVER X301 27MHz DVD traverse mechanism LPCO1 LPCO2 CDLDCUR DVDLDCUR SPDRV, TRSDRV FODRV, TRDRV SPMUTE, FG TRVSW NEN, NOC DVD section IC510 EEPROM SDA, SCK DP, DM CN101CN201 HEAD PHONE J3003 CN302 CN203 IC401 Q4081 SYSTEM MICON CN801
6、CN481 CN701 CN661 DVD_UCS, DVD_SCS, DVD_CK DVD_U2SDT, DVD_S2UDT, DVD_RST, DVDPWR DI_DT, DI_CK, DI_CS REMOCON KEY1, KEY2 VOL1, VOL2 D6V FM+/- WOUT VOUT UOUT COM X302,IC303 48MHz D5V D6V CEC3.3V, D4V D6V, US6V X4001 8MHz IC431 EEPROM EEP_SCL EEP_SDA IC421 RESET RESET IC451 LOADER DRIVER TRAY+/- LO_OPE
7、N LO_CLOSE LO_SWOP, LO_SWCL OPTICAL DIGITAL IN TX, RX, S2UDT, U2SDT, UCLK, SCS, UCS, DAC1OUT to DAC5OUT IC512 IC513 LATCH IC509 FLASH ROM NEXOE NEXWE EXADR16 to 20 IC505 SDRAM IC453 3.0VDET MA0 to 11, MDQ0 to 15 BA0, BA1, MCK, DQM0, DQM1 NCSM, NRAS, NCAS, NWE IC302 D1.2V REG. DVDPWR IC305 3.3V REG.
8、CN421 COMPONENTIC601 VIDEO DRIVER Q2101,Q2201 BUFFER V_MUTE1, V_MUTE2, V_YCMIX, V_RGB, V_LPFV R/C, G, B, V/Y L-IN R-INLINE_L/R Y, Pb, Pr VS1/MV1 VS3/MV2 BLNK/MDT SCART_L/R VIDEO OUT Main section S5201 to S5203,S5211 to S5216 KEY MATRIX D5501 STANDBY LED IC531 REMOCON D5521,Q5521,Q5522 ILLUMI LED KEY
9、1, KEY2 VOL1, VOL2 STANDBY CN561 CN411 IC501 FL DRIVER ILLUMI F+/- DI511 FL DISPLAY DI_DT DI_CK DI_CS S1 to S17, G1 to G10 REMOCON JS541 VOLUME ENCODER MIC_VOL1, MIC_VOL2 VS1/MV1(MIC_VOL1) VS3/MV2(MIC_VOL2)JS561 MIC VOLUME ENCODER USB J3002 MIC1 MIC2 J3004 J3005 CN301 CN811 D+/- D5V D5511,Q5511,Q551
10、2 K2 LED K2 Front panel section FL,LED,Key matrix & Encoder HPL/R, HPSW(HP_DET) USB, Headphone, MIC S1 TRAY SWITCH LOADING MOTOR Loader section CN1 CN451 M CN461 IC200 Volume IC212 Q2812 SW AHB IC204 Q2601,Q2808 SW AMP./MUTE IC208 Q2807,Q2815 SL/SR AMP./MUTE IC207 Q2809,Q2816 L/R AMP./MUTE IC209 C A
11、MP. VOL_CK VOL_DT CPURST CN702 CN701 CN704 CN702 LRMUTE, FSCNT1, FSCNT2 AOUT0 to 2, DAC0CS to DAC2CS DACPDN, DDATE, DCLK K2_FS1, K2_FS2 AINL/R (ADIN-L/R) ADIN-L/R DACCK+ IC704 AUDIO ADC IC706 DAC BUFFER DACCK ADIN, ADCPDN LADR0 to 15 D2VD1.2V D4V P3.3V S3.3V A6VA5V +B B3.3V -VDISP F+/- -VDISP B3.3V
12、M9V IC271 OPTICAL DIGITAL OUT IC261J6301 NEXCE EXADT0 to 15 DIGI_IN (RX) DIGI_OUT (TX) TH_SAFETY1 INH AMPPWR_SPLY SMUTE L, RFL FR SL SR SL SR SWSW C M9V F+/- -VDISP T9001 TRANS FORMER IC901 DC/DC CONVERTER Q9001,Q9602 P.ON DRIVE D9012 DIODE A13V D9013 DIODE D4V D9014 DIODE D2V D9015 DIODE CN981CN202
13、 IC231 Q2804,Q2032 H.P AMP./MUTE IC202 KARAOKE IC201 VOCAL MASK IC205 SW+L/R IC206 SW_LPF IC301 MIC AMP HP_MUTE KOK_CK KOK_DT RDSKOK_CKFL RDSVOM_DT RDSVOM_CK HP_DET MIC V_SW/CALO(CAL) BLNK/MDT(MIC_DET) RECL RECR MIXL MIXR MIC, CAL HPL/RHP_OUT_L/R IC901 HDMI TX HDMI OUTPUT J801 IC902 Q902,Q903 LEVEL
14、SHIFT Q905 CEC DVDOUT0 to 7, H_AOUT0 to 2 H_TX, HCLK, VCLKO H_BCK, H_LRCK, H_MCLK HPD SCL SDA TX_HPD TX_SCL TX_SDA TX0+/-, TX1+/- TX2+/-, TXC+/- CEC CEC_IN CEC_OUT TX5VUS6V IC906 TX5V REG. IC705 A5V REG. HA3.3V HD3.3V D4V IC905 3.3V REG. LVL_DET AMP_SAFETY AMP_FCTRL AMP_STBY AMP_RY AMP_PRT SW AHB_DE
15、T_SW AHB1 FUNCTION BLANKING CN201 SCART TERMINAL J6401 CN641 CN601 Scart terminal section TU_CE, TU_CK, TU_T2SDT, TU_S2TDT RDS_VOM_DT, RDSVOM_CK, RDSKOK_CKFL TUNER MODULE FAN MOTOR M Q4601,Q4602 FAN DRIVER FAN_HFAN+ FAN_SAFETY TU_L/R Q6451 to Q6454 SCREEN MODE +/-B A13V A10V SW10V Q2602,Q2901 10V/H.
16、P. REG. D6VA5V IC931 A5V REG. D4V D3.3V IC921 D3.3V REG. Q9801 V_SAFETY1 SYS_PON VSAFETY1 D9101,D9111 Q9111 FL/-VDISP SW. 5V SW10V Q2806 50W LIMIT IC704,IC705,IC706 DAC IC701 IC702 IC703 K2 IC708 SL/SR LPF IC707 LR LPF IC709 C/SW LPF Q2801 MUTE CTL Q2805 SL/SR MUTE Q2803 LR MUTE DAC0_CS to DAC2_CS D
17、AC_CLK DAC_DATA DACPDN AOUTL/R OUT-C CIN K2_MUTE A13V TU9V Q9501 to Q9503 TU9V REG. F_TU Used for NX-F7 Used for Area suffix EE/US/UT/UA DIMMER Used for NX-F7Used for NX-F4B K2LRCK, K2BCK K2_0_ADAT to K2_2_ADAT K2_RST K2_CLK K2_DAT K2_CS Used for Area suffix EE/US/UT/UAUsed for Area suffix EE/US/UT/
18、UA Used for except Area suffix EE/US/UT/UA MIC_DET OUT-SW SWIN INL1, INR1 TONEOUT RTONEOUT AOUTSL/SR Used for Area suffix B/E/EN/EV POWER UNIT ASSY AC INPUT CN2CN4 W991 CN3CN101 Q1002 Q1003 Q1004 Q1006 Q1011 Q1012 Q1014 AMP STBY SW SPEAKER J1901 Q1021 to Q1023 D1051 DC/AHB DETECT IC103 Q1005 Q1007 O
19、C. DETECT IC101,IC102 X1001,X1002 Q1010 CLOCK GENERATOR IC111,IC131,IC161 FRONT/SURROUND/SUB WOOFER POWER AMP. RY101,RY102,Q1001,Q1009 +/-B RELAY S9901 VOLTAGE SELECT AMP_PRT AHB_DET_SW LVL_DET AMP_SAFETY AMP_FCTRL AMP_STBY MODE AMP_RY PROT_FRT PROT_SUR PROT_SW OSC FL, FR SL, SR SW FLO FRO SLO SRO S
20、WO+/- CN102 Audio amplifier section CN103 +/-B A13V VDD,VSS Used for Area suffix US/UT 2-2 Standard schematic diagrams Local regulator section 321 Ver.US/UT/UX/UW/UG/UJ LVA10821-A5 VOLSEL PWB V_HIGH V_LOW SELECT VOLTAGE OR QAL1059-002 BGND VGND DGND DGND MGND FLGND SHORT WIRE FOR 120V SETTING Ver.C/
21、J 321 4 3 2 1 6 5 4 3 2 1 6 5 CN4 CN2 CN3 -22.2V AMP 4 PRE AMP REGULATOR KARAOKE HEADPHONE VOLUME VIDEO K2 FRONTJACK MICOM DAC POWER FRONT MAIN PWB LVA10822-A1 DISCHARGE 0V B3.3V BGND D6V VO NOISE CONT GND VIN -24V AGND 1 +24V PGND 342 POWER_SUPPLY 6 P.ON DRIVE Ver.C/J HEATSINK 321 V_ V_ 0V 2.1V SAF
22、ETY2 SAFETY1 TRANS CONVERTER DC/DC SYNC VOLT THERMO P.CONT GND +3.3V 0V 1.8V 2.8V 3.0V 0V 3.3V 6 5 4 3 2 1 QAL1059-001 ASSY POWER UNIT F- F+ -VDISP 13.2V 13.1V 1.4V 0V 0.3V 0.2V 13.2V D2V D4V A13V M9V FILAMENT FL -25V -VDISP TU9V 5V iPod A5V D3.3V 2.8V 0V 0V -31.8V -21.6V 78910 11 54321 0V 3.5V 3.6V
23、 0.8V 0V 21.9V 2 543 1 7.1V SW VIN SS ADJ GND 1.3V 2.8V 4.2V 3.3V VOUT VIN GND 0V SUB 0V CONT 0V CN 6.1V NC 3.4V 5.0V 2.8V 6.1V CONT SUB VIN CN GND NC VOUT B3.3V DISCHARGE AGND SYS_PON TH_SAFETY1 F_TU SYS_PON F_IPOD SYS_PON SYS_PON INH VSAFETY1 VSAFETY2 AMPPWR_SPLY GND VGND D6V A5V D2V MGND F+ D4V A
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