JVC-THG40-ddts-sch维修电路原理图.pdf
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1、SCHEMATIC DIAGRAMS TH-G40J,TH-G40C,TH-G40UJ TH-G30J,TH-G30C Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-1 2-2 2-24 to 34 DVD-ROM No.SML2008Q2 DVD DIGITAL THEATER SYSTEM No.MB672SCH 2008/9 COPYRIGHT 2008 Victor Company of Japan, Limited. Lead free solder used in the b
2、oard (material : Sn-Ag-Cu, melting point : 219 Centigrade) XV-THG40 XV-THG30 SP-THG50C SP-THG50FSP-THG50F (for Rear) SP-THG50W SP-THG50C SP-THG50FSP-THG50F (for Rear) SP-THG50W TH-G40 TH-G30 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)
3、 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 critical for safety. RadioFans.CN 收音机爱 好者资料库 2-1 Block diagram HDMI OUTPUT CN503 CN810 CN803 I-POD JK202 HDMI section IC805 HDMI TX Q2P1,Q2P2 USB VBUS
4、 CTL HM0 to 11 HM_CLK, HM_DE, TX_RST(HDMI_RST) S_HM_HSYNC(NT/PAL), S_HM_VSYNC(VSYNC) TX_SDA(I2C_DATA), TX_SCL(I2C_CLK) M_DATA0(HADATA0), M_DATA3(HADATA3) MCLK, M_BCK(DABCK), M_LRCK(DALRCK) HM0 to 11, HDMI_CLK, HDMI_DE, HDMI_RST NT/PAL, VSYNC,HADATA0, HADATA3 TX1+/-, TX2+/-, TXC+/-, TXD+/- DSCL, DSDA
5、, HP_DET IPOD_L, IPOD_R, IPOD_TX, IPOD_RX, IPOD_PWR, IPOD_DET IPOD_TX, IPOD_RX CEC IPOD_CHARGE_CTL TU101 TUNER ANTENNA COMPOSITE AUDIO IN IC401 DRVER IC501 MPEG DVD pickup mechanism A, B, C, D, E, F, RF, DVDMDI F+/- TR+/- VR_CD VR_DVD SW_PDIC Q401 to Q404 LASER DRIVER X501 27MHz DVD traverse mechani
6、sm CD_DVD_SLCT OPEN, CLOSE FOD, TRD, DRV_MUTE SLD, SVREF, SPINDLED M_RST, SPNN, SPNP OUT_SW IN_SW DVD section IC504 EEPROM I2C_DATA, I2C_CLK P400P401 HEAD PHONE JK2D4 PN202 CN301 PN302 PN204 PN602 PN203 LOAD+/- SLED+/- SPIN+/- LD_CD LD_DVD MD_DVD Q405 to Q407 CDLD DVDLD PU_DET X101 9.8304MHz X601 12
7、.288MHz IC103 EEPROM EEP_CLK EEP_DAT IC102 PS2 P_SENSEP_SENS OPTICAL DIGITAL IN IC503A SPI FLASH ROM SPI_DO SPI_DI SPI_CLK SPI_CS2 SPI_CS3 USB_P(D+) USB_N (D-) IC502 SDRAM DMA0 to 11 DB0 to 15 DSCLK BANK0, BANK1 MCK, DQM CS0#, WE# RAS0#, CAS# P_CTL COMPONENT Q500 to Q503 Q506,Q507 VIDEO MUTE Y_G PB_
8、B PR_R CVBS V_MUTE COMPOSITE AUX_L AUX_R Y/G PB/B PR/R VIDEO OUT Main section SW302 to SW307 KEY MATRIX LD304 STANDBY LED RC2 REMOCON LD301 to LD303 LD305 to LD310 Q305 ILLUMI LED KEY VOL_UP VOL_DN STBY_LED PN301 PN103 IC301 FL DRIVER VOL_LED1 to 4 FL+(V1) FL-(V2) F+/- DIS301 FL DISPLAY Q303,Q304 FL
9、 SW 6315_RX 6315_CLK 6315_STB 6315_RX 6315_CLK 6315_STB RCU_IN VOL_UP VOL_DN KEY SEG1 to 16 GD1 to 10 RCU_IN VOL301 VOLUME SW301 POWER SW KEY USB JK2D3 D+/- D5V Front panel section FL,LED,Key matrix & Volume PTB_L PTB_R PT_L PT_R USB, Headphone PN603 IC201 E.VOLUME DABCK DALRCK PN601 PN202 DVD_DO, D
10、VD_DI DVD_CE, DVD_CLK DVD_RST(M_RST) DADATA0 to 3 DABCK DALRCK DADATA0 to 3 PWM/TUNER_DAT PWM/TUNER_CLK PWM_RST F+/- 5V VKK JK203JK201 SPDIF_SW 3.3V 5V 5.6VA F+/- VKK 3.3V 3.5V IC509 3.3V REG. 5.1ch SPEAKER OUT JK703 Q703 to Q705 PROTECT IC601 PWM IC701 to IC704 FRONT /SURROUND /SUB WOOFER POWER AMP
11、. AMP_SD AMP_PON PROTECT FL+/-, FR+/- RL+/-, RR+/- C+/-, WF+/- SPK_FL+/- SPK_FR+/- SPK_RL+/- SPK_RR+/- SPK_CEN+/- SPK_WF+/- Audio amplifier section Micon section FAN MOTOR M Q701,Q702 FAN DRIVER FAN_CTLFAN DC TUNER_L TUNER_R 5345_DAT 5345_CLK 5345_RST CS5345/HDMI_I2C_DAT CS5345/HDMI_I2SCLK 5345_RST
12、TUNER_AUDIO_L TUNER_AUDIO_R ADATA TUNED ST_IND RDS_CLK RDS_DAT Used for TH-G40 VBUS5V 3.3V3.8V IC807 3.3V REG. 1.8V3.3V IC806 1.8V REG. VKK VKK F+/- +12V 3.5V 5.6VA 5V AC INPUT T901 TRANS FORMER D936 DIODE 5.6VA D934 DIODE 3.5V D933 DIODE 13V D932 DIODE D931 F+/- D937 DIODE +35V +35V +12V D951 DIODE
13、 5.6VA5V IC933 5V REG. 13V+12V IC931 12V REG. P_CTL P_CTL P-SENSE Primary & Regulator section PN901 BD901 DIODE BRIDGE IC901,IC941 Q901 SW REG. CONTROL T902 TRANS FORMER IC911,IC912 IC942 SW REG. CONTROL CN902 CN602 CN901 PN206 IPOD_L IPOD_R CEC_TX IPOD_PWR IPOD_DET IPOD_CHARGE_CTL CEC_TX/RX IPOD_PW
14、R IPOD_DET IPOD_CHARGE_CTL M_RST DVD_DO DVD_DI DVD_CE DVD_CLK P_CTL MCLK IC101A SYSTEM MICON Q106 STBY_LEDSTANDBY_LED 2-2 Standard schematic diagrams NOTES) Symbol denotes DC chassis ground. NOTE) Warning Parts that are shaded are critical With respect to risk of fire or electricial shock. IMPORTANT
15、 SAFETY NOTICE WHEN SERVICING THIS CHASSIS, UNDER NO CIR- CUMSTANCES SHOULD THE ORIGINALDESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE JVC CORPORATION. ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTI- CAL TOTHOSE IN THE ORIGINAL CIRCUIT. SPECIAL COMPONENTS ARE SHADED ON THE SCHEM
16、ATIC FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF- FER FROM THE ACTUAL CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTILTHE NEW SERVICE LITERATURE IS PRINTED. NOTE : 1. Shaded( ) parts are critical
17、for safety. Replace only with specified part number. 2. Voltages are DC-measured with a digital voltmeter during Play mode. C903 270uF/315V GBU8J SUF4007 220K (2W) R963 R964 2 2 3 1 1 R965 R966 R970R969R968 330K330K330K R967 330K R902 330K R901 330K SUF4007 SUF4007 D901 D902 C905 47UF/450V R903 C906
18、 T901 MAIN 2 20 19 18 17 16 15 14 13 12 11 3 4 6 7 9 0.01UF/630V C907 D904 D905 C908 ZD901 C909 ZD903 C911 R906 0.47 (2W) C910 0.001UF 0.001UF 12B 0.01UF 33B 47uF/50V 2.2K 34 21 220 560 R943 D911 RL104FR911 R912 C922 470pF (1kV) R920 D914 IC912 1 2 3 GATE SOURCE 11N80C3 DRAIN FB911 BEAD 1F7 100K /2W
19、 47 10 R942 D939 RL104F RL104F D937 D938 RL104F RL104F D936 RL104F D935 D934 C934 L931 C939 Q932 R936 Q933 R940 R945 1K1UF R948C947 IC941 R951 22 (2W) R952C952 R954 4.7K 1UF C955 IC942 UTC431 R958 R956R957 331.8K/1% 1K 470pF (1kV) D951 T902 AMP 13 12 11 10 9 8 2 3 4 1 6 7 KCH30A20 C951 470pF (1kV) C
20、953 R953 L951 275UH 12 11 10 9 3 2 4 5 6 3.3K R955 24K/1% 2200UF/50V C954 R97124K 24K 24K R972 R973 R97424K 2200UF/50V 22 (2W) UTC431 4.7K/1% R946 3.3K/1% R947 470 C938 D943 R939 WIRELESS OPTION IC934 4 3 12 278R06 4.7K C945 100uF/16VS 1SS133 1000UF/16VK 47K C E B KRA102M R935 Q931 KTA1273 D944 RL10
21、4F D942 1SS133 C944 C943 GND GND GND 100uF/16VS 220uF/25V ZD941 12B 100 560 B E C 100K 100K R937 R938 2.7B 0.2 FR931 C937 330uF/16V ZD942 KRC102M 1000uF/10V 22uH 1000UF/10VK C935 C936 100uF/25VS 100uF/50VS SB360 D933 D932 C932 C931 4.7K 4.7K R933 4.7K R934 R932 C941 100uF/16VS C942 GND GND GND CN901
22、 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +35V CN902 +35V +35V +35V GND GND GND GND GND 3.5V P-CTRL 12V P-SENSE WIRELESS 15 VKK FL+ FL- GND +12V -12V 3.5V 3.5V GND GND GND 5.6VA 5V MOTOR 5V GND 100UF/16V 39K R931 IC931 4 3 12 4 3 12 78R12 IC932 278R35 4 3 12 IC933 378R05 2.2
23、uF/50V 330UF/25V C933 2200UF/10VK RL104F D931 RL104F SB360 R944 PC910 PHOTO RL104F RL104F 10 18 R904 R905 150pF/1KV 1F7 D903 FB901 IC901 8 7 6 5 1S/OCP FM/SS GND FB/CC/OLP D D NC Vcc 2 3 4 STR-A6252 BEAD 56K (2W) C904 Q901 R909 R907R908 PC911 PHOTO C913 4700PF C914 ZD902 R917 C916 OPTIONC900 C901 C9
24、02 220V1000pF 470pF 1000pF 2200pF 110V/WIDE 0.1UF C917 R918 C921 R915 1K 4.7K R913 R914 SUF4007 SUF4007 D912 D913 PC912 43 12 PHOTO 0.15 (5W) ZD906 22B C919 C920 1000PF 1000PF 390PF R916 10K IC911 UC3844 1 2 3 4 8 7 6 5 VREF VCC OUTPUT GND COM F/B ISENSE RT/CT 1K 12B R919 C918 0.047UF 11K ZD904 10uF
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