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JVC SR-V101US - S-vhs Videocassette Recorder, Service Manual

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JVC SR-V101US - S-vhs Videocassette Recorder Service Manual Download Page 22

3-2(No.82996)

1.2 FINAL ASSEMBLY <M2>

Hang the hook of CHASSIS on the BOARD ASSY.

CN2001

WHITE LINE

CN7001

2

FW3001

CN7003

BOTTOM SIDE

TOP SIDE

WR1

530

530

ADV.JOG BOARD ASSY<38>

C.BOX/R.P BOARD ASSY<99>

501

501D

501C

529

501A

501B

z

JS3001

Q3001

FW3001

Q3002

D3001

b

b

a

z

c

c

a

d

505

515

516

516

510

551

550

511

510

510

515

MECHANISM ASSY<M4>

MAIN BOARD ASSY<03>

3D DIGITAL/2M BOARD ASSY<05>

WHITE LINE

VA5001

C5001

502

503

503

503

www.freeservicemanuals.info

World of Free Manuals

Summary of Contents for SR-V101US - S-vhs Videocassette Recorder

Page 1: ... assembling of MECHANISM ASSEMBLY refer to the SERVICE MANUAL No 86700 MECHANISM ASSEMBLY TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 9 5 TROUBLESHOOTING 1 14 SR V101US V16S15 REW FF REC LINK 24HR QUICK PROGRAM S VIDEO POWER INSERT A DUB www freeservicemanuals info World of Free Manuals ...

Page 2: ... Recording Playback system DA4 Double Azimuth head helical scan system Signal to noise ratio 45 dB Horizontal resolution 230 lines VHS 400 lines S VHS Frequency range Normal audio 70 Hz to 10 000 Hz Hi Fi audio 20 Hz to 20 000 Hz Input Output RCA connectors IN 2 OUT 1 S video connectors IN 2 OUT 1 TUNER Tuning system Frequency synthesized tuner Channel coverage VHF Channels 2 13 UHF Channels 14 69...

Page 3: ...been replaced check that 10 15 kg of force in any direction will not loosen it Fig 1 1 2 10 Also check areas surrounding repaired locations 11 Products using cathode ray tubes CRTs In regard to such products the cathode ray tubes themselves the high volt age circuits and related circuits are specified for compli ance with recognized codes pertaining to X ray emission Consequently when servicing th...

Page 4: ... ex posed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 1 1 9 and follow ing Fig 1 1 12 Fig 1 1 9 5 Grounding Class 1 model only Confirm specified or lower grounding impedance between earth pin in AC inlet and externally exposed accessible parts Video in Video out Audio in Audio out or Fixing screw etc Measuring Method Connect milli ohm meter between earth...

Page 5: ...n when the mechanism is kept in an inop erative status In order to diagnose the playback or recording of the cassette tape set the Mechanism assembly to the re quired mode before placing it upside down If the mech anism mode is changed including ejection while it is in an upside down position the tape inside may be dam aged For some models the mechanism and board assem blies are attached by connec...

Page 6: ... upper drum by the fingers turn the upper drum counterclockwise 2 To clean the parts of the tape transport system other than the upper drum use a piece of closely woven cloth or a cot ton swab soaked with alcohol 3 After cleaning make sure that the cleaned parts are com pletely dry before using the cassette tape Fig 2 6a 2 4 2 Lubrication With no need for periodical lubrication you have only to lu...

Page 7: ...n connecting the flat wire to the connector be careful with the flat wire direction Note 3b When reattaching the Mechanism assembly secure the screws S3a to S3b in the order of a b Note 3c When reattaching the Mechanism assembly be sure to align the phase of the Rotary encoder on the Main board assembly When reattaching the Mechanism assembly set the Mecha nism assembling mode See MECHANISM ASSEMB...

Page 8: ...jog board assembly Accord the position of V gap on R Encoder and PWB silk Accord the position of Boss on R Encoder and PWB silk 2 Front panel assembly Note 2a Bottom chassis L2a L2c L2a L2b L2b L2b z JS 30 01 Q30 01 FW30 01 Q30 02 D30 01 b b a z c c Must confirm soldering condition as no soldering and dry soldering at portion of Power cord lead on Main pwb before attach Main pcb to Bottom chassis ...

Page 9: ...Jig RCU mode the mode in which codes from the Jig RCU can be received See section 2 SPECIFIC SERVICE INSTRUC TIONS Fig 4 1a Jig RCU PTU94023B Set the switches as shown below unless otherwise specified on the relevant adjustment chart The switches that are not list ed below can be set as desired If the VCR is not equipped with the functions detailed below setup is not required Mechanism compatibili...

Page 10: ...ed the A C head drum assembly or any part of the tape transport system To prevent damaging the alignment tape in the compat ibility adjustment prepare a cassette tape for self re cording playback perform a test on it by transporting it and making sure that the tape is not bent by the tape transport mechanisms such as in the guide rollers See Fig 4 2b 4 2 1 Tension pole position Notes This adjustme...

Page 11: ...equipped with SP mode and EP or LP mode 9 Repeat steps 1 to 8 by using the alignment tape A2 Fig 4 2b Fig 4 2c 4 2 3 Height and tilt of the A C head Note Set a temporary level of the height of the A C head in ad vance to make the adjustment easier after the A C head has been replaced Refer to the SERVICE MANUAL No 86700 MECHANISM ASSEMBLY 1 Play back the alignment tape A 2 Apply the external trigg...

Page 12: ...erve the VIDEO OUT waveform and V PB FM waveform at the measuring points D1 and D2 3 Set the VCR to the manual tracking mode 4 Adjust tracking so that the V PB FM waveform becomes maximum 5 Set the VCR to the Auto adjust mode by transmitting the code F from the Jig RCU When the VCR enters the stop mode the adjustment is completed 6 If the VCR enters the eject mode repeat steps 1 to 5 again 7 Play ...

Page 13: ...o adjust so that the Y level of the Y OUT waveform becomes the specified value G 7 Release the EVR mode of the VCR by transmitting the code F1 from the Jig RCU again When the EVR mode is released the adjusted data is memorized 8 Input the signal A3 from the input point A2 9 Repeat steps 3 to 7 in the mode B1 10 Record the signal A3 in the mode B2 and play back the recorded signal 11 Set the VCR to...

Page 14: ...lack away from any grease See Fig 5 1b In case of mechanical failures while keeping the ten sion arm assembly free from tension pull out the tape on the pole base assembly Take the spring a of the pinch roller arm assembly off the hook and detach it from the tape 4 Remove the screw a of the side frame L R 5 Hold the slack tape and cassette cover together lift the cassette tape top frame cassette h...

Page 15: ... 7 7 8 8 9 9 10 Normal display EMG content display Latest See 5 2 4 EMG content display Previous See 5 2 4 EMG detail information 1 See 5 2 5 Deck operation mode EMG detail information 1 See 5 2 5 Mechanism operation mode EMG detail information 1 See 5 2 5 Mechanism sensor information and Mechanism mode position EMG detail information 2 See 5 2 6 Type of the cassette tape in use 1 EMG detail infor...

Page 16: ...ype 2 lower 8 bits See EMG detail of information 2 PP General data display area YY General data display area AA BB CC DD EE FF GG HH I I J J KK L L MM NN OO PP QQ RR SS TT UU VV WW XX YY Display h Encoder data See Mechanism mode sequence Cassette tab present 1 Cassette tab broken 0 Cassette absent 1 Cassette present 0 Start sensor End sensor AA Key code JVC code BB Deck operation mode See EMG deta...

Page 17: ... a supply reel sensor failure 3 Power SW5V is not supplied to the reel sensor on the tape winding side 1 The drum could not start or the drum rotation has stopped due to too large a load on the tape because 1 The tape tension is abnormally high 2 The tape is damaged or a foreign object grease etc adheres to the tape 2 The drum FG pulse did not reach the System controller CPU because 1 The signal c...

Page 18: ...tion 04 Ejecting cassette ULSTOP to EJECT 05 Inserting cassette EJECT to ULSTOP 06 Loading tape ULSTOP to PLAY 07 Unloading tape PLAY to ULSTOP 08 Transition from pinch roller ON to STOP 09 Transition from pinch roller OFF to STOP PLAY to OFFSTOP 0A Transition from pinch roller OFF to STOP at power OFF 0B Transition from pinch roller ON to STOP at power ON 0C Transition to PLAY 0D Transition to Se...

Page 19: ...ition 8 ULSTOP UPPER Intermodal position 9 UPPER Loading unloading tape A UPPER ONSTOP Intermodal position B ONSTOP PLAY position C PLAY FWD SS Intermodal position D FWD SS FWD FWD Still Slow position E FWD SS REV Intermodal position F REV REV REV Still Slow position 0 REV OFFSTOP Intermodal position 1 OFFSTOP Pinch roller OFF position 2 OFFSTOP FFREWB Intermodal position 3 FFREWB FF REW Brake pos...

Page 20: ...C SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 www freeservicemanuals info World of Free Manuals ...

Page 21: ...ause trouble in regard to safety and performance We recommend that genuine JVC parts be used 1 EXPLODED VIEW 1 1 PACKING AND ACCESSORY ASSEMBLY M1 The instruction manual to be provided with this product will differ according to the destination 306A SPEC OF BARCODE 319 316 310 311 307 312 308 313 314 315 ADHESIVE TAPE 301 304 302 302 FINAL ASSY M2 306 303 www freeservicemanuals info World of Free M...

Page 22: ...IDE WR1 530 530 ADV JOG BOARD ASSY 38 C BOX R P BOARD ASSY 99 501 501D 501C 529 501A 501B z JS3001 Q3001 FW 3001 Q3002 D3001 b b a z c c a d 505 515 516 516 510 551 550 511 510 510 515 MECHANISM ASSY M4 MAIN BOARD ASSY 03 3D DIGITAL 2M BOARD ASSY 05 WHITE LINE VA5001 C5001 502 503 503 503 www freeservicemanuals info World of Free Manuals ...

Page 23: ...107 107 112 123 151 113 115 124 125 79 82 21 4 117 44 26 3 58 52 57 56 58 55 90 37 77 72 116 50 112 122 110 126 126 89 36 73 69 102 70 134 78 76 71 120 42 85 46 47 81 83 80 49 119 53 161 111 114 118 121 96 93 94 95 64 65 18A 19 22 20 16 23A 63 66 59 62 68 24 18 84 61 60 67 23 23B 18B WR2 A C HEAD BOARD ASSY 12 LOADING MOTOR BOARD ASSY 55 AA AA AA AA AA AA AA AA AA AA AA AA AA BB BB BB BB BB AA AA ...

Page 24: ...1A TORSION SPRING 52 NAH0003 001 AC HEAD 53 LP30965 001A HEAD BASE 55 LP40842 001D COMP SPRING 56 QYTDST2006MA TAP SCREW M2 x 6mm 57 LP41036 002A A C ADJ SCREW x2 58 QYTDST2606ZA TAP SCREW M2 6 x 6mm x2 59 QAR0289 001 LOADING MOTOR 60 QYTPSP3003ZA SCREW M3 x 3mm x2 61 LP21056 002J MOTOR BRACKET 62 QYTPST2620ZA TAP SCREW M2 6 x 20mm 63 LP40814 001B WORM BEARING 64 LP21044 001E CONTROL CAM 65 PQM300...

Page 25: ...C4081 R X TRANSISTOR Q2204 or 2SD1819A QRS X TRANSISTOR Q2251 DTC144WKA X DIGI TRANSISTOR Q2251 or UN221E X TRANSTSTOR Q2251 or RT1N44HC X DIGI TRANSISTOR Q2252 DTC144WUA X DIGI TRANSISTOR Q2252 or PDTC144WU X DIGI TRANSISTOR Q2252 or UN521E X DIGI TRANSISTOR Q2252 or RN1309 X DIGI TRANSISTOR Q2253 DTC144WKA X DIGI TRANSISTOR Q2253 or UN221E X TRANSTSTOR Q2253 or RT1N44HC X DIGI TRANSISTOR Q2254 D...

Page 26: ...104X C CAPACITOR 0 1uF 16V K C24 NCB31CK 104X C CAPACITOR 0 1uF 16V K C25 QEKJ1HM 335Z E CAPACITOR 3 3uF 50V M C26 QEKJ1EM 106Z E CAPACITOR 10uF 25V M C27 NCB31EK 103X C CAPACITOR 0 01uF 25V K C30 NDC31HJ 331X C CAPACITOR 330pF 50V J C31 QEKJ0JM 476Z E CAPACITOR 47uF 6 3V M C32 QCBB1HK 104Y C CAPACITOR 0 1uF 50V K C33 QEKJ1EM 106Z E CAPACITOR 10uF 25V M C34 NCB31EK 103X C CAPACITOR 0 01uF 25V K C3...

Page 27: ... 6 3V M C3035 NCF31CZ 104X C CAPACITOR 0 1uF 16V Z Symbol No Part No Part Name Description Local C3036 QEKJ0JM 107Z E CAPACITOR 100uF 6 3V M C3041 QCBB1HJ 101Y C CAPACITOR 100pF 50V J C3042 QCBB1HJ 101Y C CAPACITOR 100pF 50V J C3048 NCB31EK 103X C CAPACITOR 0 01uF 25V K C3051 NCF31CZ 104X C CAPACITOR 0 1uF 16V Z C3052 NCB31EK 103X C CAPACITOR 0 01uF 25V K C3071 QETJ1HM 336Z E CAPACITOR 33uF 50V M ...

Page 28: ...8 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J Symbol No Part No Part Name Description Local R3003 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R3005 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R3016 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R3017 NRSA63J 471X MG RESISTOR 470Ω 1 16W J R3018 NRSA63J 471X MG RESISTOR 470Ω 1 16W J R3021 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R3022 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R3031 NRSA63J 10...

Page 29: ... J B7001 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J B7002 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J BT3002 QAB0052 001 LITHIUM BATTERY CD1 QMPD520 170 JC POWER CORD US CA 1 7m BLACK CN1 QGF1201C2 11 CONNECTOR FFC FPC 1 11 CN2001 QGF1207C1 06 CONNECTOR FFC FPC 1 6 CN2002 QGB2532J1 02 CONNECTOR B B 1 2 CN3001 QGB2032M4 12 CONNECTOR B B 1 12 CN7001 QGF1207C1 04 CONNECTOR FFC FPC 1 4 DI7001 LTG 0126M 01J LED Symbo...

Page 30: ... NRSA02J 561X MG RESISTOR 560Ω 1 10W J R1427 NRSA02J 333X MG RESISTOR 33kΩ 1 10W J R1428 NRSA02J 393X MG RESISTOR 39kΩ 1 10W J R1429 NRSA02J 182X MG RESISTOR 1 8kΩ 1 10W J R1430 NRSA02J 222X MG RESISTOR 2 2kΩ 1 10W J R1431 NRSA02J 821X MG RESISTOR 820Ω 1 10W J R1433 NRSA02J 510X MG RESISTOR 51Ω 1 10W J R1434 NRVA02D 153X CMF RESISTOR 15kΩ 1 10W D R1435 NRVA02D 473X CMF RESISTOR 47kΩ 1 10W D R1436 ...

Page 31: ...LIMITED No 82996SCH 2004 2 VIDEO CASSETTE RECORDER 82996 2004 2 SR V101US SR V101US V16S15 REW FF REC LINK 24HR QUICK PROGRAM S VIDEO POWER INSERT A DUB CD ROM No SML200403 SCHEMATIC DIAGRAMS www freeservicemanuals info World of Free Manuals ...

Page 32: ...www freeservicemanuals info World of Free Manuals ...

Page 33: ...gnal path including E E signal path Capstan servo path Drum servo path Example R Y Y Playback R Y signal path Recording Y signal path 6 Indication of the parts for adjustments The parts for the adjustments are surrounded with the circle as shown below 7 Indication of the parts not mounted on the circuit board OPEN is indicated by the parts not mounted on the circuit board R216 OPEN 1 2 3 1 2 3 1 2...

Page 34: ...EO N AUDIO Page 2 5 S SUB Page 2 7 TERMINAL Page 2 9 FMA DEMOD Page 2 11 SYSCON Page 2 13 SW REG Page 2 15 TUNER Page 2 17 FRONT Page 2 19 Page 2 21 p10573001a_rev0 BOARD INTERCONNECTIONS www freeservicemanuals info World of Free Manuals ...

Page 35: ...C29 C2002 R2010 R2004 C46 R9 R8 C35 C38 C43 C48 C47 C45 OPEN DTC144WKA 6 3 OPEN SHORT 50 50 OPEN 25 QAX0739 50 25 OPEN MY OPEN OPEN 6 3 OPEN OPEN OPEN 1SS133 T2 1SS270A T2 OPEN OPEN OPEN OPEN OPEN OPEN QUY153 050Y OPEN OPEN OPEN OPEN OPEN 50 OPEN OPEN 6 3 OPEN OPEN OPEN 2SA1037AK QR 2SB709A QR 2SA1530A QR OPEN MY DTC144WUA DTC144WUA PELN0861 QQR1083 001 QQR1311 001 2SC2412K QRS 2SD601A QRS 2SC3928...

Page 36: ...D Y_OUT C_OUT PB_COLOR Y_TO_SUB REC_COLOR Fsc GND V_TO_OSD SW5V GND P MUTE L V_FROM_OSD GND CTL5 I2C_DATA_A V I2C_CLK_A V C539 L504 R508 JCP8058 Fsc GND GND SLOW_PULSE TRICK H D FF V REF VP_CTL I2C_DATA_A V I2C_CLK_A V CTL5 C_FROM_DIGI Y_FROM_DIGI EE L V Y_TO_DIGI SW5V 2 C_TO_DIGI 50 OPEN OPEN 50 OPEN _2 _2 50 _2 25 _2 50 6 3 _0 5 _0 5 OPEN 50 _0 5 CH OPEN _0 5 _0 5 50 _2 CH OPEN OPEN OPEN 6 3 KIL...

Page 37: ... TO S SUB TO VIDEO N AUDIO TO FMA DEMOD SW12V V_FROM_OSD R915 B906 D907 J7101 D906 R920 C_IN_CH2 J7101 R921 R 922 GND J2 Y_OUT GND C_OUT GND IC903 GND SW5V C914 C918 C913 C912 C907 L902 C917 VIDEO OUT 1 2W 1 2W 1 2W 6 3 OPEN OPEN 6 3 AUDIO OUT L AUDIO OUT R VIDEO OUT AUDIO OUT L AUDIO OUT R OPEN OPEN OPEN FRONT AUDIO IN L FRONT VIDEO IN FRONT AUDIO IN R MM1117 25 50 25 25 0 01 75 75 75 75 75 75 75...

Page 38: ...R2251 C6514 C2204 C2203 C2202 C2201 C6501 C6601 B6601 C6516 C2209 C2210 C2211 R2255 L2201 R2259 R2230 C2213 C2212 R2231 C6505 C2230 C2231 C6502 C6503 50 25 25 50 25 50 16 25 25 A REC_FM 16 OPEN 1SS133 T2 1SS270A T2 OPEN 6 3 SHORT OPEN A PB_FM 2SC4081 QRS 2SD1819A QRS 2PC4081 R DTA144WUA PDTA144WU UN511E RN2309 DTC144WUA PDTC144WU UN521E RN1309 50 OPEN OPEN OPEN DTC114EUA PDTC114EU UN5211 RN1302 DT...

Page 39: ...52 OPEN YC_IN H P20 VDD SBI0_FRSIS SBO0_FRSIS GND SXi iRQ0 QAX0526 001 PESW0589 PESW0678 RESET VDD2 AFCC AFCLPF V PULSE D FF D PG FG_IN C FG_AMP_OUT AVSS C FG_IN AMP_VREF_OUT AMP_VREF_IN AMP_C AVCC CTL CTL SP_FG TU_FG RC R PAUSE COMP_IN DIG7 D_E FULL E_ON H REAR1 H I2C_D_AV 12C_C_AV SB_GAIN REC_S S CASS TITLE_REC H CAP M_F R LM F R S CHARAM P CTL H CHARAE EP_SHORT H FLY_REC H SP_SHORT H FLY_REC_ST...

Page 40: ...40S RS 2SC3199 YG 50 AU01 10ERB40 D G S 2SK2043 16 SHORT MY 2SD2144S UV 16 10 AU01 10ERB40 AW04 11EQS04 1S4 AK04 SB040 1SS133 1SS270A MTZJ12A RD12ES B1 AU01Z 10ERB20 1F4G RK14 21DQ04 SB240 16 16 AW04 11EQS04 1S4 AK04 SB040 50 PC123Y22 PS2561L1 1 L ON3131 RS LTV 817M BC PC123FY2 QQR0532 001 QQR0533 001 QQR0516 001 QQR0932 001 QQR0816 001 200 2SA1530A QR X 2SA1037AK QR X 1 2W 25 1W 2SC5739 QP 2SD214...

Page 41: ...20 Q6030 R6030 R6020 AFC JUST_CLK R6021 C6021 RF_AUDIO TU_VIDEO RF_VIDEO L6050 L6004 C6013 C6012 C6008 C6007 L6001 R6051 B SW5V NC NC NC NC B SW5V AFT NC AS SCL SDA AFT NC TU 30V OPEN OPEN OPEN OPEN HZ30 2L MTZJ30D SHORT OPEN OPEN 2SB709A Q 2SA1037AK Q 2SA1530A Q OPEN SHORT OPEN OPEN OPEN OPEN OPEN 33 SHORT 1 0 OPEN OPEN 100 0 1 OPEN OPEN 3 3k 1k 1k SHORT 1K p20383001a_rev0 MAIN TUNER SCHEMATIC DI...

Page 42: ...SB709A 2SA1037AK 2SA1530A LTG 0126M 01J CA242M5 A D7 D6 D5 D4 D3 D2 D1 ST EJ A DUB POWER REC 2SB709A 2SA1037AK 2SA1530A SHORT SHORT OPEN OPEN OPEN OPEN GP1UM291QK OPEN OPEN OPEN OPEN OPEN DTC143TKA DTC143TKA DTC143TKA DTC143TKA OPEN OPEN OPEN INSERT OPEN OPEN OPEN DTC143TKA DTC143TKA DTC143TKA OPEN PLAY PAUSE OPEN OPEN 2SB709A 2SA1037AK 2SA1530A 2SB709A 2SA1037AK 2SA1530A 2SB709A 2SA1037AK 2SA1530...

Page 43: ...CH CH OPEN 6 3 OPEN OPEN CHOPEN CH OPEN Fsc GND C_TO_DIGI SW5V 2 V Y_TO_DIGI EE L Y_FROM_DIGI GND C_FROM_DIGI KILLER_DET I2C_CLK I2C_DATA V P_CTL V REF D FF TRICK H SLOW_PULSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN 2SC1317 RS 16 OPEN RD4 3ES B3 6 3 6 3 50 OPEN OPEN OPEN OPEN OPEN OPEN VDD25 VDD25 VOUT AVDD1 AVSS1 MINTEST TRICK VSS SLOWP SCLK SDATA DFFI VPLS MCI0 MCI1 MCI2 MCI3 CRE MCI4 MCI5 MCI6 MCI7 ...

Page 44: ...094 D5206 D5207 C5302 C5303 D5209 C6005 C6006 C6007 C6008 R25 C6012 C6013 C6020 C6021 C6052 C6053 C6532 C7011 C7012 C7013 C7014 C7041 C7042 CF6031 R26 D5210 D5212 CP4002 D3002 D3004 D3005 D3006 D3013 D5001 D5101 D5102 D5103 D5105 L5301 Q7008 Q7009 Q7010 Q7011 Q7012 Q7013 D5301 D5302 D5303 D5305 D6002 D7003 D7043 F5001 FC5001 FC5002 IC7002 J2 L901 L5201 L5202 Q7014 L6001 L6003 L6004 L6032 L6050 LF5...

Page 45: ...54 B C 9G R3255 A D 9G R4001 B C 15D R4002 B C 15E R4003 B C 11E R4004 B C 15C R4010 B C 10D R4011 B C 10E R4012 B C 10D R4018 B C 10E R4019 B C 10F R4021 B C 10E R4022 B C 6C R4024 A D 9E R4025 B C 15E R5001 A D 3O R5101 A D 3M R5102 A D 4M R5103 A D 3L R5104 A D 1L R5105 B C 4L R5106 A D 3K R5107 A D 3J R5108 B C 4K R5109 B C 3K R5110 B C 3K R5111 B C 3K R5112 B C 3J R5113 B C 3L R5302 B C 3F R5...

Page 46: ...D_C OUT LED DRIVE 9 D_D OUT LED DRIVE 10 D_E OUT LED DRIVE 11 D_F OUT LED DRIVE 12 D_G OUT LED DRIVE 13 RM0 OUT REMOTE CONTROL SIGNAL OUTPUT FOR OTHER VCR 14 FULL E_ON H OUT FULL ERASE HEAD ON OFF CONTROL ON H 15 N REC H OUT NORMAL AUDIO REC MODE CONTROL SIGNAL REC H 16 REAR1 H OUT REAR INPUT MODE H 17 12C_DATA_AV IN OUT SERIAL DATA TRANSFER OUTPUT FOR AD IC 18 12C_CLK_AV OUT SERIAL DATA TRANSFER ...

Page 47: ... 0 75Vp p PB 0 7Vp p 0 2V 20µsec DIV PB 0 3Vp p 0 2V 20µsec DIV WF2 WF3 WF4 WF5 WF6 TP111 D FF REC PB 0 4Vp p 0 1V 5msec DIV WF7 IC1 86 REC 2 8Vp p 0 5V 20µsec DIV WF8 VIDEO 2 VIDEO 1 IC501 3 REC 0 8Vp p PB 1 2Vp p 0 2V 20µsec DIV WF9 IC501 5 REC PB 0 6Vp p 0 2V 20µsec DIV WF10 IC501 12 REC 1 1Vp p 0 2V 20µsec DIV PB 1 7Vp p 0 5V 20µsec DIV WF11 IC501 14 REC PB 1 7Vp p 0 5V 20µsec DIV WF12 IC501 1...

Page 48: ...O TO TUNER RF VIDEO SYSCON BUF Q902 B903 REC COLOR d e c b a f g h CHARA_DATA P MUTE L I2C CLK A V I2C V REF D FF DATA A V Fsc V FROM AV Y TO AV FRONT V IN PB COLOR TO_SUB_EMPH Y TO SUB SYNC_OUT VHS H KILLER_DET CTL5 0 3 MAIN S SUB TERMIANL 4 V TO OSD i j k q m n p V FROM OSD I2C DATA A V I2C CLK A V USED NOT 55 USED NOT USED NOT FIL FIL YFBC TRAP COMP YMUTE VMUTE CMUTE ATT DIG OSD C MUTE ATT ATT ...

Page 49: ...H HPF CTL TRAP P EQ SW13 DL G EQ DO DET LPF S DET ET LPF EMPH N L DEH LPF YNR SEP SYNC V AMP C SQUELCH 6dBAMP PG PG AGC DET LCH SQUE CLEAR SYNC FEED BACK CLAMP VIDEO ALC PC HP NC TRAP NC CCD CONT KILLER MPAL CONV C DELAY SW10 Y LPF DELAY SECAM SSEQ N L DE EMPH SQPB EQ P R SW9 P R SW8 INT EXT SW12 SQPB SQPB CH2 P R SW16 SW25 SD SD SW38 P R SW28 P R SW27 SW26 P R L SECAM EXT INT 0 5Vp p R SDECK SW22...

Page 50: ... 8 9 4 3 TO TUNER SIF IC1 VIDEO N AUDIO SIGNAL PROCESSOR POWER SWITCH POWER AMP FLY_REC_ST H FLY_REC H TRANS OSC POWER SW B2051 6 4 FULL_E ON H 59 RFC_OUT RF_AUDIO 27 AFF 28 ENV A ENV ND L A FF TP2253 A PB_FM SW Q2062 Q2063 Q2061 T2052 10 11 FLY E FLYING ERASE Q401 Q402 Q403 Q405 Q2001 Q2003 9 10 11 12 13 14 9 10 11 12 13 14 Note For the waveforms in this schematic diagram refer to page 2 30 AUDIO...

Page 51: ...www freeservicemanuals info World of Free Manuals ...

Page 52: ...C SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 www freeservicemanuals info World of Free Manuals ...

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