《Jvc-SRVS-20-Schematic电路原理图.pdf》由会员分享,可在线阅读,更多相关《Jvc-SRVS-20-Schematic电路原理图.pdf(48页珍藏版)》请在收音机爱好者资料库上搜索。
1、4-1SECTION 4CHARTS AND DIAGRAMSNOTES OF SCHEMATIC DIAGRAMSafety precautionsThe Components identified by the symbol arecritical for safety. For continued safety, replace safetycritical components only with manufacturers recom-mended parts.1. Units of components on the schematic diagramUnless otherwis
2、e specified.1) All resistance values are in ohm, 1/6 W, 1/8 W (refer toparts list).Chip resistors are 1/16 W.K or k: k (1000 ), M: M (1000k )2) All capacitance values are in F, (P: PF).3) All inductance values are in H, (m: mH).4) All diodes are 1SS133, MA165 or 1N4148M (refer to partslist).2. Indic
3、ations of control voltageAUX : Active at highAUX or AUX(L) : Active at low4) Indication on schematic diagramVoltage Indications for REC and PB mode on the sche-matic diagram are as shown below.Note: If the voltages are not indicated on the schematicdiagram, refer to the voltage charts.24C33111/10222
4、01816WF25C3290.1/50C3300.1/50R34447KR34318KR34510KR34615KMeasurement pointWaveform number5. Waveform measurement1) Video circuitsREC : Colour bar signal in SP mode, normal VHS modePB : Alignment tape, colour bar SP mode, normal VHSmode2) Audio circuitsREC : 1KHz, 8 dBs sine wave signal in SP mode, n
5、ormalVHS modePB : REC then playback it3) Movie Camera circuitsMeasured using a correctly illuminated gray scale or colourbar test chatrs in the E-E mode4) Indication on schematic diagramWaveform indications on the schematic diagram are asshown below.5) Waveform indicationsWaveform numberWF25REC/PB 1
6、.2 Vp-p50 mV/2 msec/DIVWaveform name ormeasurement pointLevel : 1.2 Vp-pALC OUTMode : REC or PB modesOscilloscope Volts and Time/Division, Probe 10 : 112 32.5(5.0)1.8PB and REC modes(Voltage of PB and REC modesare the same)PB modeREC mode3. Interpreting Connector indications1231231231423Removable co
7、nnectorWire soldered directly on boardNon-removable Board connectorBoard to BoardConnected pattern on boardThe arrows indicate signal path4. Voltage measurement1) Video circuitsREC : Colour bar signal in SP mode, normal VHS modePB : Alignment tape, colour bar SP mode, normal VHSmode : Unmeasurable o
8、r unnecessary to measure2) Audio circuitsREC : 1KHz, 8 dBs sine wave signal in SP mode, Nor-mal VHS modePB : REC then playback it3) Movie Camera circuitsMeasured using a correctly illuminated gray scale or colourbar test charts in the E-E mode4-2CIRCUIT BOARD NOTES1. Foil and Component sides1) Foil
9、side (B side) :Parts on the foil side seen from foil face (pattern face)are indicated.2) Component side (A side) :Parts on the component side seen from component face(parts face) indicated.2. Parts location guidesParts location are indicated by guide scale on the circuit board.Note:For general infor
10、mation in service manual, please referto the Service Manual of GENERAL INFORMATION Edi-tion 4 No. 82054D (January 1994).6. Signal path SymbolsThe arrows indicate the signal path as follows.Playback signal pathPlayback and recording signal pathRecording signal path(including E-E signal path)Capstan s
11、ervo pathDrum servo path(Example)R-YYPlayback R-Y signal pathRecording Y signal path7. Indication of the parts for adjustmentsThe parts for the adjustments are surrounded with the circle asshown below.8. Indication of the parts not mounted on the circuit board“OPEN” is indicated by the parts not mou
12、nted on the circuitboard.R216OPENREF No. LOCATIONIC Category: ICHorizontal “A” zoneVertical “6” zoneB : Foil side(A : Component side)C : Chip component(D : Discrete component)IC101 B C 6A4.1BOARD INTERCONNECTIONS4-34-4HGFEDCBA4 5321# MARK ELEMENTS ARE NOT MOUNTEDp10291001a_rev11234567891011121323242
13、526192021221516171814UNREGGNDSHG_ST OPSP AHIDFS_PLLA TFIREC_MONENV_OUTPB_VCO GNDMAIN-VCOJLIP_RXAL_3VSYSJLIP_TXSBTSBDRSTVPPC_5VSBEGNDD_REG_3VJIG_MODVPPD_5VJIG_SPTJIG_SCK(F or ADJ .)CN110150/60Hz(DV SYSCONPage 4-39)(DV MSDPage 4-41)(DV MAINPage 4-43)(DV I/OPage 4-45)(DV V OUTPage 4-47)(AUDIO AD/DAPage
14、 4-49)(DV DSPPage 4-51)(VIDEO/AUDIOPage 4-7)(SYSCONPage 4-9)(SUB CPUPage 4-13)(TUNERPage 4-15)(VIDEO I/O SWPage 4-17)(AUDIO I/OPage 4-19)(CONNECTIONPage 4-21)(MDAPage 4-31)(PRE/RECPage 4-33)CN7001(Page 4-27)494847464544434241403938373635343332313029282726CN1CN2002CN7002CN5504CN3001CN7504CN7502CN7507
15、CN7501CN3011CN5321CN5501CN6701 CN6701CN511CN502CN7509CN1401CN501CN7506CN3003CN512CN851CN704CN7003CN5001CN3014FW7004CN1002CN5322CN5323CN703CN3501CN2601FW7006CN1CN5002CN7508CN1001CN1501CN5506CN1CN702CN5503CN5001CN5502CN5507CN3004CN2001CN513CN5505FW7005FW7008FW7003CN701CN1502FW7007CN3701CN5201CN2001CN5
16、325CN5301CN5324CN7503CN3002COMMONGNDFG1FG2DR UM_12VGND(M)DR UM_CTL_VD .PGD .FGGNDDEC_OUTRDEC_OUTLA.IN2RA.IN2LLINE_OUTRLINE_OUTLA.IN1RA.IN1LRCA_A.OUTRRCA_A.OUTLREAR1_C_INGNDREAR1_V_INGNDREAR2_V_INFR ONT_Y_INGNDFR ONT_C_INNCGNDGNDP A USEFR ONT_V_INFR ONT_ALFR ONT_ARJSA/SHUTTLE_AJSB/SHUTTLE_BGNDSHUTTLE
17、L/NCJ2/JOG_AJ1/JOG_BGNDTUNER_VIDEOGNDSWD_YSWD_CGNDTERM_D_CGNDTERM_D_YGNDTERM_C_OUTGNDGNDTERM_Y_OUTCHARA_D A T ALED1LED2LED3LED4LED5LED6RCU5VRC_INAL5VS. C L KS . D A T A_T OSYSSD A T A_FRSYSGNDB . UP_GNDDC3.5V-DC3.5V+STB-29VNCNCAL6VP . SA VELV . UPHP .CTLHM12VDR UM12VM12/17VGNDGNDGND-29VDC3.5V+4.5V(M
18、)GND(M) AL5V(DV)DEMOD(R)DEMOD(L)SW5VGNDCOMPSIFNCFscSW5VV_T O_OSDGNDREC_COLORSW5VPB_COLORV .PULSEMAIN_ALC_DETFR ONT_V_INGNDV_FR OM_A/VEELI2C_D A T A_A/VI2C_CLK_A/VGNDGNDC_T O _DIGIY/V_T O_DIGIY_FR OM_DIGIC_FR OM_DIGISECAM_PB_COLORY_T O_SUBP . MUTELWIDE_DETFR ONT_Y_INFR ONT_C_INREAR2_V_INCHARA_D A T A
19、Y_T O_VM12V DRUM12VM12/17V GND GND GNDDC3.5V-DC3.5V- -29V DC3.5V+ NCNCAL6VP.SAVELV.UPHP.CTLHY_FR OM_DIGIGNDKILLER_DETD .FFfscGNDC_T O _DIGISW5V2Y/V_T O_DIGIEELC_FR OM_DIGII2C_CLK_A/VI2C_D A T A_A/VV. P . C T LV .REFTRICKHSLO W_PULSEREAR1_Y_INGND GND GND GND GND GNDNCV_FROM_OSDC_OUTY_OUTREAR2_C_INREA
20、R2_Y_INREAR1_C_INGNDCCAP_FGCAP_CTL_VSW5VGNDMCAP_REVLNCMOTOR12VREAR2_Y_INY_OUTV_FR OM_OSDREAR1_Y_INGNDGNDGNDGNDGNDGNDREAR1_C_INBAIS_FOR_C_OUTREAR2_C_INC_OUT2fscOSD_CSS. C L KS . D A T A _ERSYSEDSH/I2C_CLK2EDS_CS/I2C_D A T A 2SWD_S . D A T ACHARA_D A T AP . MUTELV_FR OM_OSDSYNC_DETHOSD-INGNDV_T O _OSD
21、SW5VOSD_COSD_YSW12VD_P . MUTEHD_Y/V_IN#RXDTXDDAIL_PLAYDIAL_OFFDIAL_AUTOHOUSING_SWA UDIO(-)7VAL5VAL3.3VGNDAL3.3VGNDAL2.5VAL2.5VGNDFF/REW(H)D_Y_OUTD_Y/V_INGNDD_C_OUTGNDD_C_INGNDDVA REC (R)GND GNDGNDSW5VNCGNDGNDGNDCH+12VRF5VBT2GNDGNDGNDSW12VAL12VAUDIO(-)SW5VSW5V(2)48VAL5.8VGNDGNDSW5VSW5VGNDGNDGNDGND(M)
22、GND(GND)(GND)1SGNDGNDGND1F2F2SLO AD .MO T OR+LO ADMO T OR-GNDLSBLSCLSAGNDGNDD_REG2.9REG_5VA_REG2.9A_REG2.5PB_ENVREC_CTLA GC_GAINREF_CLKREC_HPBHHID1HID3GNDDUMP_CTLVREF_1.1A GC_OUTVRB_A G CA TF_GAINVRB_A T FA TF_INGNDREC_CLKREC_D A T ARECCADJMONI_CHGSW5VSW5VGNDGNDGNDR.ENC3R.ENC2R.ENC1GNDLIVENEUTRALSW5
23、VNCGNDGNDGNDGNDLEDGNDGNDDC3.5V+S.PROTECT48V12V4V4V4VBT2-29V6VDVAUDIO-6V6V17VDC3.5V-GNDGNDGNDGNDBB(AL5V)TU(30V)TU(30V)MB(SW5V)LOCK(L)SW1SW2AFTNCNCRECPBGND(C)A.ERASEGND(C)F A N12VGND4.5V(M)6V/3.2V(M)6VGND(M)AL5V(D V)SYS_GNDCH+12VI2C_CLK2I2C_D A T A2SCRHP50_I/OSECAM/MESECAMHOSD_P . CTLLB . BA CKHOUT1_L
24、2HOUT1_DHC . BO X/SA T_CTLSW5VSW12VLDM1LDM2EP CH1EP CH1EP CH2EP CH2SP CH1SP CH1SP CH2SP CH2FMA CH1FMA CH2FL Y . EFL Y . EFULL ERASECOIL VCOIL VCOIL WCOIL WCOIL UCOIL UMR VCCHG IN+HG V+HG V -HG U+HG IN-HG W -HG W+HG U-MR GNDFL Y . EFF/REW 6VMDA 6VEP CH2SP CH2SP CH1EP CH1FMA CH1FMA CH2I2C D A T AI2C C
25、LKTU A MUTEDVA PB(R)DVA REC (R)DVA PB(L)DVA REC(L)FR OM PST O PS C YT O PS CMO T OR GNDHOUSING INCAP REFDR UM REFMD A INMD A CLKMD A OUTMD A CSCAP BAKLD ONCAP FGDR UM FGDR UM PGHOUSING OUTHOUSING SWCAM SW1CAM SW2CAM SW3TOPS CFROM PS CTOPS YFROM PS YFG OUTPG OUTCOIL UCOIL UCOIL VCOIL VCOIL WCOIL WCOI
26、L COMMONPG/FG COMMONHOUSING MOTOR-HOUSING MOTOR+HOUSING SWT O PS CFR OM PS YT O PS YFR OM PS CFR OM PS CT O PS YT O PS CCASSETTE SWMIC 1MIC 3 TU REEL LEDTU REEL SENSORMIC 2SUP REEL LEDSUP REEL SENSOREND SENSORSTART SENSORREC SAFETY SWA U DIO INMOD SD AMOD B(SW5V)MOD SCLVIDEO INRF A G CTPIF OUTA U DI
27、O OUTSIF OUTVIDEO OUTTU CEPLL CLKPLL D A T ACTL HEAD(-)CTL HEAD(+)CN71040DEMOD.CN7103DVIN/OUTJ20011SENSOR5CN7102CN7101RF INRF OUT014DEMOD.0DVMAIN16P/R MDA6TERMINAL7ON SCREENTUNERDVHOUSING MOTORMP/R MDA16 50DVMAIN06TERMINALAV1AV2/DECODERS-OUTAUDIO OUT(L/R)J7102J7103J7101J7105MFAN MOTORMS MODEL ONLYON
28、 SCREENMS MODEL ONLYNONAMESW REGULATOR01 14JACK0032REGULATOR12REGULATOR02LED/SW17 36 41 55 8754MAIN A/C HEAD4728DISPLAYU.DRUMLOADING MOTORS/P CONVERTER7MDVDRUM MOTORLOADING03MAIN36JACKLED/SW27EJECT SW3D DIGITAL/2M28DISPLAY41U.DRUMMOTORROTARYENCODERMDVVIDEO HEADDVENCORDER27EJECT SW57L INR INR.PAUSES
29、INV INJ7001J7002J7003J7004J7005CAP MDA8558F.EDRUM MOTORMMLOADINGJOGMOTORCTL R/PA.EA/C HEAD 1287S/P CONVERTERMMDVCAPSTAN MOTOR01SW REGULATOR053D D/2MA C 220V -240VS-SUB15J7103SAT CTL15S-SUB85JOG55FULL ERASE HEAD57 58CAP MDADRUM MOTOR(Page 4-38)(Page 4-37)(Page 4-38)(Page 4-38)(Page 4-38)OPENOPEN(Page
30、 4-29)(Page 4-23)(Page 4-35)(Page 4-25)OPEN4.2SWITCHING REGULATOR AND REGULETOR SCHEMATIC DIAGRAMS4-54-6HGFEDCBA4 5321The Parts Number, value and rated voltage etc.in the Schematic Diagram are for references only.When replacing the parts, refer to the Parts List.Note :DANGEROUS VOLTAGEGROUND POINTFO
31、R PRIMARYVOLTAGEGROUND POINTFOR SECONDARYVOLTAGEp20189001a_rev1.1D5204IC5101C5104C5206D5207D5303R5306R5311 C5210C5211L5203R5310R5316D5210VA5001D5208SHORTR5317D5202D5206CN5201C5212D5102D5306IC5301C5001C5002R5302CP5301D5304C5302C5203CN5001D5103D5205D5001C5101 R5106C5106R5108LF5001D5308T5001L5204C5213D
32、5101C5303PC5101C5004LF5002C5006C5102R5318R5103R5101R5105K5101C5103D5310R5104R5107D5309L5205R5102B5003C5007D5312D5201D5311D5211C5208C5204C5202C5201C5301C5207D5301R5307D5305C5205L5202L5201Q5301R5308B5002R5314 R5313R5312R5315F5001C5304C5305C5105Q5302B5001D5307VA5002R5001SG5001R5303R5304R5305R5309D5203V
33、R5321Q5331Q5339Q5323Q5341CN5322CN5324 TOP/R MDACN5501Q5340D5335D5329D5336D5334B5309R5333D5331R5332D5330CN5301CP5322Q5338CP5323D5323Q5328CP5321CN5321Q5329CN5323B5306B5307 SHORTSHORTR5339R5338Q5332CN5325R5351C5331R5340B5303R5352D5322Q5337R5347R5348B5301CN5326C5327D5321B5304IC5322R5335R5334Q5336Q5335R5
34、345R5346C5328Q5333R5343R5344C5334C5335Q5334B5305Q5330R5341R5342C5332C5333B5308B53100B5302D5332CP5324D5333IC5321C5321L5321C5322C5323D5324Q5321Q5322Q5324R5323R5331 R5330R5336C5329C5330R5337R5322C5324D5325R5325 R5324D5326Q5326Q5327R5327R5326C5325D5327R5329R5328D5328C5326470p1804747k 680220338201k33k220
35、00.0680.0334.7k0.047220680k0.0047332200.0330.0022273.3k68k0.4733p6803310821822008202200.014.722022033331k10k560T2AL470.010.0224.7M12k3k22k1.2k1k10k1k10k2.2k1001001k4.7k2.2k0.014.7k7.5k4.7k2.2k10047k220220100510470221001001001010047047k 4704.7k0.011001k4700.00110k1k4704700.00110k1k1001SR153-40010ELS2
36、ERA18-02PG104RSOCP/FBSDVCCGNDSTR-F6552/50MY/25FMB-24FSQ05A04BYG801C04SF5SC4SB640FCTMTZA7.5ARD7.5ES/B1/1/4WFR /10/102WAU01Z1SR153-400ERA18-0210ELS2PG104RS#AK0411EQS041S4ER602FCT FML-12SFCF06A20YG901C2SF5LC20UFMB-24FSQ05A04BYG801C04SF5SC4SB640FCTDC3.5V-GNDGNDGNDGND DC3.5+S.PROTECT48V12V4V4VBT24V-29VAU
37、DIO-17V 6V 6V 6VDV/10AU01Z1SR153-40010ELS2ERA18-02PG104RSRD2.7ES/B2/MTZJ2.7BL5431MM1431AT/250MY/250MYCPICP-N251SS1331SS270A/50MY/161SS1331SS270AER602FCT FML-12SFCF06A20YG901C2SF5LC20U #RBV-406#1/4W/1k471/2WPELN1204-01-01QQR0977-0011SS1331SS270AQQS0092-001#/10SARS01/50MYPC123F2ON3171/R/PS2561L-1(WL)/
38、250/35#2W1W QQR0678-001QQR0621-001/1kV1SS1331SS270A#1SS1331SS270A/4001SS1331SS270AAK0411EQS041S41SS1331SS270AAU01Z1SR153-400ERA18-0210ELS2PG104RS/50/10/16/6.3/50/100RD15ES/B1/MTZJ15ARD27ES/B3/MTZJ27C/102SD1819A/RS/2SC4081/RS/2PC4081/R/#/250/25/50MY/50DTA114EUAUN5111RN2302PDTA114EU#1SS1331SS270A#1/2W
39、 #QAF0046-242 #FMB-24FSQ05A04BYG801C04SF5SC4SB640FCT#2SB1068/KU/2SD2144S/UV/2SA933AS/RS/ 2SA1267/YG/UN5211DTC114EUARN1302PDTC114EUAL5.8V CH+12VGND GNDSW5V GND BT2 RF5VSW12VAL12VAUDIO-SW5V248V4.5VMFF/REW_6V6VDVGNDM AL5VDVRN2302 UN5111DTA114EUAPDTA114EU1SS1331SS270A#1SS1331SS270AMTZJ12ARD12ES/B1/1A3G
40、11ES2ERA15-021SS1331SS270A1SS1331SS270ACPICP-N25DTC114EUAUN5211RN1302PDTC114EU#CPICP-N251A3G 11ES2ERA15-022SD1450/ST/2SD1302/ST/CPICP-N25GNDGNDGNDM12V P.CTLHV.UPHP.SAVELDC3.5V+-29VDC3.5V-M12/17VDRUM12VNCAL6V NCDTA114EUAUN5111RN2302PDTA114EUAL5VGNDGNDGND AL3.3VAL3.3VFF/REWH AL3.3VAL3.3V AUDIO-7VDTC11
41、4EUAUN5211RN1302PDTC114EUFAN12VGND/101W#1SS1331SS270A2SB1239 #12VGNDGND5V#/50 #INOUTGNDREFON/OFFPQ5EV3#UN5215DTC114TUA2SB1256/10 #2SD1450/ST/2SD1302/ST/16/16DTA114EUAUN5111RN2302PDTA114EU#2SD2144S/UV/16/10#11ES2ERA15-021A3GCPICP-N20#1SS1331SS270AINOUTGNDREFPQ15RW11/10#/50/161A3G 11ES2ERA15-022SD2528
42、/QP/2SD1819A/RS/2SC4081/RS/2PC4081/R/DTC114EUAUN5211RN1302PDTC114EU/50/10/50RD5.1JS/B2/MA4051N/M/1SS1331SS270A2SD2375/QP/2SD1819A/RS/2SC4081/RS/ 2PC4081/R/50RD5.1JS/B2/MA4051N/M/1SS1331SS270A/10#MARK ELEMENTS ARE NOT MOUNTED220-240V50Hz10SW.REGREGULATOR020SHORTTODVMAIN (DV SYSCON)CN1001 OPENTOMAIN (
43、CONNECTION)CN7508TOFAN MOTORTOMAIN (CONNECTION)CN75094.3VIDEO/AUDIO SCHEMATIC DIAGRAM4-74-8HGFEDCBA4 5321p10304001a_rev0HIFIMODELHIFIMODELLLLRRRRLRLLRRLCYYCCCCCYCYYCYCCMAIN (VIDEO/AUDIO)03NCThe Parts Number, value and rated voltage etc.in the Schematic Diagram are for references only.When replacing
44、the parts, refer to the Parts List.Note :IC1C114C12B59R33R3C84R35Q17C22L20L2TUNER_VIDEOC11C14C15C62C13C16C80C24Q11C32C51C65C17C52C19C18SECAM_DETC28L11L4C41CN1C54C33C37C31R9R8C40C34X1X2C36Q2004L3C21C20R6R36R7R392FscTO_PS_CC39R92FR ONT_V_INREAR1_V_INBS_VIDEOC109REC_COLORGNDIC2L15C77C60B2011Q7Q8C70C1Q4
45、Q2R21R22C6C69C5 L1Q1Q3R93C2C3Q21C4C87C88C89C90C7B2012C8C61Q5R23B5GNDSW5VSW12VQ95_PBHR24B35B55R48VHSHR72C71R25R26R28R27R73C72L18R29L19C74C73R31R32R30C78C75C76R34L13B2B1Q14C64C129B4C105R54C81R46C95L26Q25R114L27C108D8R70Q37R91B38C63TRICKH/M_TRICKLR4R104R5Q38L24C104Q34C106C23R65C131R2227R38R42R41R40R45
46、R44R43C45Q10C53C25C35Q12C26Q24L28C38Y_T O_SUBR51B19GNDC.SYNCC401C402C403C405C404C406C407C9R401R402R404R406R408R407R403R405L401Q401Q402C59Q405Q403Q404C110SEC.DET/KIL/BIT_INV.PULSEEEL/5_PBL SB_GAINR90SPHGNDC . SYNC/V .REFC.SYNC/V.REF3.58NTSCH I2C_CLK_A/V I2C_DATA_A/VQ40D.FFNORM/MESEC/S FLY.RECHSP_SHOR
47、THLP_SHORTHC409R61Q31B22Q39C113B56V_FR OM_A VfscSECAM_PB_COLORB57PB_COLORY_T O_A VREC_COLORR2004B58PB_FML402R1C112Q32C10R2R66Q16EELC2204SECAMHfscSW5VC42TO_PS_CR47JUST/EDSH/SECAMPB_COLORMAIN_ALC_DETKILLER_DETB54C79L14ET_PBH/AGC_CTLQ28B3K2251C2013R2211TP106TP111B18C29C27C91C92R2226TU_AUDIOL2252L22C225
48、5Q2252R2210C2254R2013R2014C2006R2015C2007C2008C2010C2009R2016C2011R2017Q2003R2018R2019Q2002 Q2001R2208C2253C2214 C2213C2012R2011C2003C2251C2252C2004L2251L2001R2207C2227TP2253C2226C2225C2223C2222C2220C2219R2220 R2219 R2218 R2217Q18R2213 R2007 R2006 R2005C82C2217C2002Q2251R2209C2215C2208C2001R2009R200
49、8R62B8R2222R2223R2224R2225R2010R2215R2012R2252EDS_CS/PAL_PBHFMA_OUTLGNDH.REC_STHN.REC_STHFLY.ONH/VHSHDEC_OUTRA.SEL_INR A.SEL_INLA.IN2RDEMODRL25A.FFA.MUTEHA.IN2LC30DEMODLA.IN1RC2218C2216A.ENV/NDLA.IN1LDEC_OUTLR2206 R2003B46C2021Q2011C2205C2203R2055C2201C2202VIDEO_ENVC2207R2251C2221C2224B45B44D2201D2121D2001R2121C2005R2056C2