JVC HM-DH30000U Service Manual

Also see for HM-DH30000U - D-VHS HDTV Digital Recorder: Instructions Service manual

Contents

WF1WF2WF3WF4WF5 WF64-69 4-70SYSTEM CONTROL BLOCK DIAGRAMHGFEDCBA453214.36(RESET)VMUTEHOSC1(IN)OSC2(OUT)(10MHz)(32KHz)(SYSTEM CONTROL MICRO PROCESSOR)VOLTAGE CONTROL)(LOADING MOTORMAIN (SYSCON, MAIN-TERMINAL)TO DIGITAL(PRE/REC)TO DISPLAYCN7002S3002S.CASS65X1465Q3002Q3003CLOCKSYSTEM646769MAINCLOCKX3002TIMER484746S.CLKX2END561317S_CASS(H)SENSORX3001CN3008S_CLK6IC30034950DATACLK32IC3006657675SDASCLIC30012830CN3003MDA8101 CAPPWMCFG107108 DPGDFG5554102PHOTOPC3002PC3001SENSORPHOTO36 LMC138 LMC3LMC2372627 LSB25 LSALSCTP4001CTL.PSENSORAGEVOL TCONTROLDRIVEQ3001IC300432CN3001453D.PGD.FG2319LMC11VrefLMC2 7LDM22LDM142CN30021LDM1LDM21LSBCN30043LSA2LSCAR YROTENCODERMOTOR6CAP5 5MDRUM MOTORMMCON1LOADING13100 D.FF/STD.FF/HS1.FF11019 V.PULSE66 RES32 RESETD3004 171 MODEFWE62IC3002CN200176V/STD/HS1.FFPULSEV.AL6V12HEADHEAD A/CTOA/CCTLCN1VIDEO/AUDIO1 26 CTLAMPOUTCTL HEAD(-)CTL HEAD(+) CTL(-)CTL(+)(SERIAL MEMORY)TOSYNC-DET/PDCI2C_CLK2I2C_DATA2I2C_DATA2I2C_CLK2CAP_REV(L)CAP_CTL_VCAP_FGDRUM_CTL_VVIDEO_ENVS_DATA_TOSYSS_DATA_FRSYSI2C_DATA_A/VI2C_CLK_A/VSP FGS.DATA TOSYSEND SENSORSTART SENSORI2C DATAI2C CLKVIDEO_ENVI2C_DATA2I2C_CLK2TU FGCAP REV (L)S.DATA FRSYSDRUMPWM58REC_SAFETY99A/HS2.FF A.FF/HS2.FF8788N.REC_ST(H)H.REC_ST(H) H.REC_ST(H)N.REC_ST(H)TOVIDEO/AUDIOTRICK(H) 1298C. SYNCM.PULSE10489A.MUTE(H) A.MUTE(H)TOAUDIO I/OTO DIGITALCN700198CN3009HS2_FF(HOST)V/STD/HS1.FFHS1_FFFor ADJ.35CN3010FWESIO6SIIRESET 2ES3 REC_SAFETYSIOSIICN605HSH564DRECLDATACLK32IC3005DVHSLINSELB 11INSELA 12AV2TRH 13ACTL1 14FLYRECH 15INSELC 10547NRECLDATACLK32IC3007VHSHL1INF_A/AV1L1INF_B 9VUP2L 12VUPH 13P.CTLH 14P.SAVEL 15L2INF0/RGB 893EXP_DATA1 92EXP_CLK94EXP_DATA295EXP_DATA36312V/STD/HS1.FFCN3011V/STD/HS1.FFD_REC(L)D_VHS(L)HS(H)D_VHS(L)FLY_REC(H)N.REC(L)VHS(H)A.IN_SEL_CA.IN_SEL_BA.IN_SEL_AAV2THROUGH(L)AUDIO_CTL1TOAUDIO I/OYU_V_MUTE(H) TOTUNER161211CN7104TRICK(H)I2C_DATA_A/VI2C_CLK_A/V14 C.SYNC/V.REF TO 3D DIGITAL/4MCN140123I2C_DATA_A/VI2C_CLK_A/VCN7103TO S-SUBCN5111314LINE1INF0/I2C_DATA2LINE2INF0/I2C_CLK2CN7105TO TERMINALCN710234 P.CTL(H)P.SAVE(L)TO SUB REGCN5503CN5601Q3006-Q3010REG.CONTROLI2C_DATA_A/VI2C_CLK_A/VI2C_DATA_A/VI2C_CLK_A/VSIOSIIQ301376REF30REF554HOST_RESETKBUS_REQ31KBUS_CLKKBUS_DATA103 HOST_RESET9091 REF30REF557 K-BUS-REQ5352 K-BUS-CLKK-BUS-OUTK-BUS-IN51ESQ4002106 HI_S_FF_REW10 D_CASS_SW42D_CASS(H)STARTSENSOR54CH1_RECST(H)CH2_RECST(H)8 D_REC_LEVEL17 D/HS1_ENV12 HS2_ENV11 D_REC_LEVEL213 A/HS2.FF184041HS2_ENV7481CH1_RECST(H)D_REC_LEVEL2CH2_RECST(H)D_REC_LEVEL183HS_RECST(H)20D_ENV/HS1_ENVA/HS2.FF14 HS_RECST(H)A/HS2.FFNOTUSEDNote : For the waveforms in this block diagram, refer to page 4-67.