Sharp VC-MH705HM/LM Service Manual Download

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Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM

DUNTKB111TEV3

NICAM/IGR Unit

INTEGRATED CIRCUITS

IC1701 VHiMSP3417G-1Q

V I.C.

PACKAGED CIRCUITS

X1701 RCRSB0 V Crystal

COILS

L1703 VP-XF1

V Peaking 10

L1704 VP-XF100J0000Y

V Peaking 10

CAPACITORS

C1701 VCCSD41HL220JY

V 22p

50V Ceramic

C1702 VCCCCY1HH470JY V 47p

50V Ceramic

C1704 VCKYCY1HF103ZY V 0.01

50V Ceramic

C1705 VCEA9M V 10

16V Electrolytic

C1706 VCKYCY1HF103ZY V 0.01

50V Ceramic

C1707 VCEA9M V 10

16V Electrolytic

C1708 VCEA9M V 22

6.3V Electrolytic

C1709 VCEA9M V 22

10V Electrolytic

C1710 VCCCCY1HH5R0CY V 5p

50V Ceramic

C1711 VCCCCY1HH6R0DY V 6p

50V Ceramic

C1712 VCKYCY1HF103ZY V 0.01

50V Ceramic

C1713 VCKYCY1HF103ZY V 0.01

50V Ceramic

C1714 VCEA9M V 1

50V Electrolytic

C1715 VCKYCY1HF103ZY V 0.01

50V Ceramic

C1718 VCEA9M V 22

6.3V Electrolytic

C1720 VCCCCY1HH470JY V 47p

50V Ceramic

C1723 VCEA9M V 10

16V Electrolytic

C1730 VCEA9M V 10

16V Electrolytic

C1731 VCEA9M V 10

16V Electrolytic

C1735 VCKYCY1HB122KY V 1200p 50V Ceramic

C1738 VCKYCY1HB122KY V 1200p 50V Ceramic

RESISTORS

R1703 VRS-CY1JF473JY

V 47k

1/16W

Metal Oxide AA

R1710 VRD-RA2BE101JY

V 100

1/8W

Carbon

R1711 VRD-RA2BE101JY

V 100

1/8W

Carbon

R1714 VRS-CY1JF102JY

V 1k

1/16W

Metal Oxide AA

R1720 VRS-CY1JF103JY

V 10k

1/16W

Metal Oxide AA

R1723 VRS-CY1JF103JY

V 10k

1/16W

Metal Oxide AA

MISCELLANEOUS PARTS

SC1701QSOCZ0809REZZ

V Socket, 8pin

DUNTKB206TEV1

EUR-TERM Unit

INTEGRATED CIRCUITS

IC2501 VHILA73024V-1Y

V LA73024V-TRM

TRANSISTORS

Q2903 VS2PB709AR/-1Y

V 2PB709AR

DIODES

D2521 RH-EX0627GEZZY

V Zener Diode

D2561 RH-EX0627GEZZY

V Zener Diode

D2801 RH-EX0646GEZZY

V Zener Diode

DUNTB106TE

X1/X2

OPERATION Unit

RESISTORS

R881

VRS-CY1JF103JS

V 10k

1/16W

Metal Oxide

R882

VRS-CY1JF103JS

V 10k

1/16W

Metal Oxide

R883

VRS-CY1JF223JS

V 22k

1/16W

Metal Oxide

MISCELLANEOUS PARTS

S881

QSW-K0

V Switch, PLAY

S882

QSW-K0

V Switch, STOP

S883

QSW-K0

V Switch, REC

(MH815HM/LM,MH835HM,MH85HM)

S884

QSW-K0

V Switch, REW

(MH705HM/LM,MH715HM)

S885

QSW-K0

V Switch, REW

(MH815HM/LM,MH835HM,MH85HM)

S886

QSW-K0

V Switch, FF

(MH705HM/LM,MH715HM)

S887

QSW-K0

V Switch, FF

(MH815HM/LM,MH835HM,MH85HM)

SC881 QSOCZ0450CEZZ

V Socket, 4pin(OA)

DUNTB107TE

X1/X2

BACK LIGHT Unit

TORANSISTORS

Q851

VS2PD601AR/-1Y

V 2PD601AR

Q852

VS2PD601AR/-1Y

V 2PD601AR

DIODES

D8851 RH-PXA

V PhotoDiode

(except MH835HM)

D8852 RH-PXA

V PhotoDiode

(except MH835HM)

D8853 RH-PXA

V PhotoDiode

(except MH835HM)

D8856 RH-PXA

V PhotoDiode (MH835HM)

D8857 RH-PXA

V PhotoDiode (MH835HM)

RESISTORS

R8852 VRD-RA2BE101JY

V 100

1/8W

Carbon

(MH835HM)

R8853 VRD-RA2BE101JY

V 100

1/8W

Carbon

(MH835HM)

R8853 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

R8854 VRD-RA2BE101JY

V 100

1/8W

Carbon

(MH835HM)

R8854 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

R8855 VRS-CY1JF222JS

V 2.2k 1/16W

Metal Oxide

R8856 VRS-CY1JF222JS

V 2.2k 1/16W

Metal Oxide

R8857 VRD-RA2BE101JY

V 100

1/8W

Carbon

(MH835HM)

R8857 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

R8858 VRD-RA2BE101JY

V 100

1/8W

Carbon

(MH835HM)

R8858 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

R8859 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

R8860 VRD-RA2BE391JY

V 390

1/8W

Carbon

(except MH835HM)

MISCELLANEOUS PARTS

P883

QPLGZ0457GEZZ

V Plug, 4pin(AM)

DUNTB108TEX1

LED Unit

DIODES

D855

RH-PX0

V PhotoDiode

D856

RH-PX0

V PhotoDiode

MISCELLANEOUS PARTS

SC851 QSOCZ0660GEZZ

V Socket

www.freeservicemanuals.info

6/17/2019

Digitized in Heiloo the Netherlands

Not for sale!

Summary of Contents for VC-MH705HM/LM

Page 1: ...MH715HM VC MH815HM LM VC MH85HM VC MH835HM MODELS CONTENTS Page 1 SPECIFICATIONS 3 2 DISASSEMBLY AND REASSEMBLY 4 3 FUNCTION OF MAJOR MECHANICAL PARTS 7 4 ADJUSTMENT REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS 9 5 ELECTRICAL ADJUSTMENT 28 6 MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE 35 7 TROUBLESHOOTING 41 8 BLOCK DIAGRAM 56 9 SCHEMATIC DIAGRAM AND PWB FOIL PATTERN 64 10 REPLACEMENT ...

Page 2: ...s PWB in position in the main frame 1 Start and end sensors Q701 and Q702 Insert the sensor s projection deep into the upper hole of the holder Referring to the PWB fix the sensors tight enough 2 Photocoupler IC901 and IC902 Refer to the symbol on the PWB and the anode marking of the part 3 Cam switches A and B S704 Adjust the notch of the part to the white marker of the symbol on the PWB Do not a...

Page 3: ...C MH705HM LM 360 mm W x 229 0 mm D x 92 0 mm H VC MH715HM 430mm W x227mm D x92mm H VC MH815HM LM MH835HM MH85HM VIDEO Input 1 0 Vp p 75 ohm Output 1 0 Vp p 75 ohm S N ratio 45 dB SP mode Horizontal resolution 250 lines SP mode AUDIO 0 dBs 0 775 Vrms Input Line1 3 8 dBs 10k ohm Line 2 3 8 dBs 10k ohm Line 3 3 8 dBs 47k ohm Output Line1 3 8 dBs 1k ohm Line 2 3 8dBs 1k ohm S N ratio 46 dB Frequency r...

Page 4: ...N PWB MECHANISM CHASSIS CASSETTE HOUSING CONTROL F F 2 DISASSEMBLY AND REASSEMBLY 2 1 DISASSEMBLY OF MAJOR BLOCKS VC MH705HM LM MH715HM TOP CABINET Remove 2 screws 1 FRONT PANEL Remove 2 screws 2 and 7 clips 3 MECHANISM Remove 2 screw 4 1 screw 5 MAIN PWB Remove 2 screws 6 and 2 screws7 with antenna terminal cover Remove 1 screw 9 Remove 1 screw 8 with top cabinet fix angle www freeservicemanuals ...

Page 5: ...Main PWB VC MH835HM except VC MH835HM VC MH835HM only 8 F F TOP CABINET Remove 4 screws 1 FRONT PANEL Remove 2 screws 2 and 7 clips 3 MECHANISM Remove 1 screw 4 1 screw 5 MAIN PWB 1screw 0 and antenna terminal cover Remove 2 screws 6 and mechanism chassis Remove 1 screw 7 and 2 screws 8 with main PWB CASSETTE Remove 2 screws 9 HOUSING CONTROL www freeservicemanuals info 6 17 2019 Digitized in Heil...

Page 6: ...ility the mechanism will damage After ascertaining the return to the initial set position install the cassette housing in the specified position This method is applied only for the mechanism Rotate the flange of worm gear by using thin stick CW Loading direction CCW Ejection direction Note Be careful not to damage the gear of worm gear and worm wheel gear It miight cause a strange sound AH CONNECT...

Page 7: ...brake 8 Take up main brake 9 Pinch drive cam 10 A C head ass y 11 Reverse guide lever ass y 12 Reel relay gear 13 Take up reel disk 14 Pinch roller lever ass y 15 Drum ass y 16 Loading motor block 17 Drum driver motor 18 Take up pole base ass y 26 Auto head cleaner Ass y VC MH815HM LM MH835HM 17 15 26 11 5 9 14 12 8 16 13 4 6 2 7 3 1 18 10 VC MH815HM LM MH835HM www freeservicemanuals info 6 17 201...

Page 8: ... MECHANICAL PARTS BOTTOM VIEW No Function No Function 19 Syncro Gear 20 Master cam 21 Capstan D D motor 22 Reel belt 23 Clutch lever 24 Limiter pulley ass y 25 Shifter 25 24 21 22 19 20 23 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 9: ...e mechanism and all electric components are in good working condition prior to the adjustments otherwise adjustments can not be completed Instruments required Colour TV monitor Dual trace oscilloscope Audio signal generator AC milli voltmeter Blank video cassette tape Alignment tape VROCPSV Screwdriver for adjustment Colour bar singnal generator Location of controls and test points TP201 www frees...

Page 10: ...EW key at the Test Mode to set the tracking in center 6 5 0 5H V 2V div CH 1 Head Switching Pulse CH 2 Video signal Figure 5 2 Head Tape 2 CBZF 2LP BBZG 4 CBZF 4HiFi CBZF 1 Play a self recorded tape 2 Press the PAUSE STILL button to freeze the picture 3 Adjust or TRACKING buttons on the remote control so that the vertical jitter of the picture is mini mized Note 1 Self recorded tape is a cassette ...

Page 11: ... signal shown in table to the AUDIO IN jack 3 Put the unit in E E or recording mode 4 Make sure that the output level is value shown in table AUDIO CIRCUIT ADJUSTMENT CHECKING OF E E LEVEL Measuring AC milli voltmeter instrument Mode E E Record Input signal 1kHz 3 8 dBs Test point AUDIO OUT jack Specification 3 8 2dBs 1 Connect an AC milli voltmeter to the AUDIO OUT jack 2 Feed the audio signal sh...

Page 12: ...STMENT OF EE Level Confirmation VIDEO PAL Colour Bar 1Vp p Measuring instrument Mode Cassette Spectrum Analyzer Record Self recorded tape Test point YC CHIP Pin98 Specification 4 8MHz 100KHz ADJUSTMENT OF Deviation Confirmation VIDEO Colour Bar 1Vp p Measuring instrument Mode Cassette Osiloscope Self recorded Playback tape Test point YC CHIP Pin98 Specification about300mVp p ADJUSTMENT OF REC Curr...

Page 13: ...nt AUDIO OUT Specification 3 8 2dBs VIDEO Optional ADJUSTMENTOFPBLevelConfrimationHIFI Lch Rch AUDIO Optional Measuring instrument Mode Cassette Voltmeter Recorded Playback Self recorded tape Test point AUDIO OUT Specification 3 8 2dBs VIDEO Optional ADJUSTMENT OF HIFI Lch Rch Sela Rec PB Level Confirmation HIFI Lch Rch AUDIO AUDIO IN at 1KHz 3 8dBs For this item variable the tracking switch and c...

Page 14: ...eturn to EE mode 1 During EE mode send the TEST Code R C code 47H to VCR and hold the Test code do not let go 2 While sending the TEST code the monitor screen will display the initial JP and Y C Rec Current setting Video mode and ROM Version condition Measuring instrument Mode Digital Voltmeter EE Specification 2 5 0 5V TUNER IF Circuit ADJUSTMENT ADJUSTMENT OF AFT Adjustment Confirmation except F...

Page 15: ...90V 50Hz 2 SURROUND temperature Setting 20ºC 10ºC 3 load connect place between AT 5V AC connector 8PIN AC connector1PIN High speed between AT25 5V AC5PIN AC2PIN Other model between AT12V AC5PIN AC2PIN ADJUSTMENT OF Over Load Characteristic Confirmation Item Test point Specification Fix Load AT 12V AT between 12Vline GND Output above 11 0V 2 0 2 2A over load AT 25 0V AT between 25 5Vline GND Output...

Page 16: ...assette is judged caught halfway Cassette LED or some other part is judged defective 6 MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE MECHANISM OPERATION FLOWCHART This flowchart describes the outline of the mechanism s operation but does not give its details 1 0 1 1 1 1 1 1 1 1 1 0 1 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 S Sensor Open Close 1 1 1 0 0 0 0 0 0 0 1 1 1 1...

Page 17: ...s STILL key Pinch roller releasing Idler swinging Pinch roller pressing Loading motor turns reverse direction and master cam clockwise Turn capstan motor in reverse direction Turn loading motor forward direction Mode switch is at VSR position Set capstan motor to search speed Is take up reel sensor signal outputted Press REW key Release pinch roller Mode switch is at PU2 position Mode switch is at...

Page 18: ...otor reverse direction Loading Motor stop rotate Loading motor stops End Loading motor turns in reverse direction and master cam clockwise 4 supply reel pulses outputted Does the take up reel pulse output two edges Capstan motor turns clockwise Loading motor turns reverse direction Mode switch is at Eject position Loading motor stops Capstan motor stops Press EJECT key Tape unloading Cassette ejec...

Page 19: ... turn in FF or REW direction Are idler wheel ass y and reel disk in mesh Is the pulse outputted from reel sensor The cassette tape is presumably damaged 2 REC PLAY FAILURE MODE RELEASE NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES Is the master cam at PB position Does loading motor operate Modes changing smoothly through mode switch Loading motor control system in trouble Are Vco 24V and Vc...

Page 20: ...ply reel disk winding torque normal Is pulse outputted from reel sensor Check main PWB YES YES YES YES YES NO NO NO NO NO YES YES NO NO YES Press REW key 4 i Unusual sound in cassette insertion and ejection mode Is unusal sound heard during cassette control running Unusual sound heard with pinch roller lever going up or down Is unusual sound heard during loading unloading Check pinch drive cam pin...

Page 21: ...tem out of contact with any part on main PWB Turn capstan motor by hand Unusual sound heard Check drive system s gears for damage Replace damaged gear with new one Reel disk Limiter pulley ass y Idler gear ass y Check reel disk and main chassis And replace defective parts Adjust reel disk height Rearrange the parts on main PWB www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlan...

Page 22: ...f each rectifying circuit of secondary circuit and check for shunt regulator circuit D934 D933 IC903 C9335 9336 FLOW CHART NO 4 POWER TROUBLESHOOTING 4 In case of output voltage at low level Check whether the secondary side photocoupler circuit operates normally IC903 C9336 R930 R932 R933 Check the circuit and replace defective parts IC901 IC903 etc NO YES Check whether the primary side photocoupl...

Page 23: ...pin 92 of IC701 and pin 10 of P701 Is the supply voltage of 12V fed to pin 8 of P701 Check M 12V lines Check IC on mechanism Check line between IC on mechanis and loading motor Replace loading motor Is the specified voltage applied at the loading motor terminal when the cassette tape is inserted Does IC on mechanism output to about 10V when the cassette tape in inserted Does pin 87 of IC701 change...

Page 24: ...pin 10 of P701 when a reel pulse has been inputted Check line between pin 92 of IC701 and pin 10 of P701 Is the supply voltage of 12V fed to pin 8 of P701 Is the voltage about 10V sent out from IC on mechanism Check IC on mechanism Is the specified voltage applied at the loading motor terminal Check line between IC on mechanism and loading motor Does the loading motor run Replace loading motor Rep...

Page 25: ...ESHOOTING No head switching pulse See FLOW CHART NO 14 15 DRUM MOTOR TROUBLESHOOTING 1 2 Is the drum motor rotating Is the drum PG signal and drum FG signal present at pin 65 of IC701 Replace IC701 Check line between P701 and IC701 Check peripheral circuit of IC on mechanism Are the drum PG signal and drum FG signal present on pin 11 of P701 2 5V 2 5V FLOW CHART NO 13 TIMER TROUBLESHOOTING The LCD...

Page 26: ...8 CAPSTAN SERVO TROUBLESHOOTING Capstan servo does not function Only PB mode inoperative YES NO Check 1 Check capstan motor unit and or replace Is there capstan AFC and APC signal at pins 31 and 33 of IC701 Replace A C head YES NO YES NO NO YES NO Replace IC701 NO Is there REC CTL signal output at pins 74 and 75 of IC701 Does PB CTL signal appear at pin 76 of IC701 Does A C head operate normally A...

Page 27: ...s 63 and 62 of IC201 and all the way up thru to pins 84 and 85 of IC701 Is picture signal output to the emitter of video output buffer Q251 1 Line output Check video output buffer Q251 peripheral and output terminal periphery 2 RF output Check video output buffer Q251 peripheral and video input terminal of RF converter periphery Is supply voltage of 5V Y Vcc fed to the pin 12 of IC201 Check the PC...

Page 28: ...ction power terminal pin 36 of IC201 Is CCD control voltage approx 0V PAL MESECAM mode 5 0V NTSC mode applied normally to the pin 37 from the pin 57 of IC201 Is clock signal approx 8 86 MHz PAL mode 7 16 MHz NTSC mode 0 5Vp p for CCD applied normally to the pin 44 from the pin 69 of IC201 Check the pins 13 and 14 of IC201 peripheral circuit Check R201 R202 C203 SP mode Is there record FM signal ap...

Page 29: ...o signal inputted at each input terminal of IC201 as shown in table U V tuner audio input terminal pin 9 Aux input terminal pin 8 Is there audio signal outputted at pins 11 of IC201 Is there audio signal outputted at pin 62 of IC651 NO NO NO NO NO Check line ranging from A out pin 21 of TU101 Check line ranging from pin 61 of IC651 Line output terminal Is there audio signal outputted at pins 59 an...

Page 30: ...SW P signal at pin 27 of IC651 YES No HI FI sound playback E E mode is possible Check peripheral circuit of IC651 as shown in table L ch pins 16 17 18 19 R ch pins 32 33 34 35 Is the supply voltage of 5V fed to pin 25 of IC651 NO Check the A H SW P line between pin 27 of IC651 and pin 28 of IC701 YES FLOW CHART NO 24 LINEAR SOUND MODE TROUBLESHOOTING 1 No linear sound recording E E mode is possibl...

Page 31: ...1 and pin 81 of IC701 NO Is there L level at pin 99 of IC201 Is there signal at pin 11 of IC201 YES YES Replace IC201 Clean A C head Replace A C head Replace IC201 Re adjust azimuth NO YES YES YES YES PAL EP ONLY Are there signal at pin 1 of IC601 YES NO Hi Fi model ONLY Is there audio signal inputted at and pin 62 of IC651 Check line between pin 11 of IC201 and pin 62 of IC651 FLOW CHART NO 25 LI...

Page 32: ... of IC1701 Is there a NICAM IGR audio signal at pin 15 16 of IC2501 Is there a base band signal at pin 2 of IC1701 Check line between pin 39 40 of IC2501 and pins 9 14 of IC651 See Flow Chart No 21 Hi Fi SOUND MODE TROUBLESHOOTING 1 For Hi Fi model Is 5V supplied at pins 11 19 1 of Check PC 5V line Is MPX 8V supplied at pin 33 of IC1701 Check the REG circuit of D962 Check PC Motor 12V line Check p...

Page 33: ...audio input R ch pin34 B E1 L1 audio input R ch pin37 C pin15 D pin10 NO NO NO YES YES YES Check STBY 5V line Check STBY 12V line Check line between pins 21 22 of IC2501 and pins 17 18 of IC701 Is there SDA and SCL signal applied to pins 21 and 22 of IC2501 Is voltage 5V applied to the video section power terminal at pins 24 29 of IC2501 Is voltage 12V applied to the audio section power terminal a...

Page 34: ...vely The numbers JP0 to JP39 are divided into four groups and each group s setting is displayed in hexadecimal notation JP27 JP26 JP25 JP24 1 1 0 0 C JP23 JP22 JP21 JP20 0 0 0 0 0 JP19 JP18 JP17 JP16 0 0 0 0 0 JP15 JP14 JP13 JP12 0 1 0 0 4 JP11 JP10 JP9 JP8 0 0 1 1 3 JP7 JP6 JP5 JP4 0 0 0 0 0 JP3 JP2 JP1 JP0 0 0 0 0 0 Also recording level preset number selected from the ten keys on the remote cont...

Page 35: ...er on Power is ON b Make short circuit test point TP801 and hold the point Be sure that all the LCD display light up into the TEST mode YC 44220707 VM F8F9 NOR If the jumper setting is set as step 1 d it will be displayed on television screen like the example above 5 Finally release the test point to return to normal screen E E mode YC 4 4 2 2 0 7 0 7 V V V V SP LP SP EP PAL NTSC V V JP 003400C010...

Page 36: ... 1 0 0 0 JP25 SAT CTL 0 0 0 1 0 0 0 JP24 AV LINK 16 9 0 0 0 1 0 0 0 JP23 Hi Fi 1 1 1 1 1 1 1 JP22 SORT CLOCK 0 0 0 1 0 0 0 JP21 DECODER 1 1 1 1 1 1 1 JP20 SURROUND 0 0 0 0 0 0 0 JP19 IGR 0 0 0 0 0 0 0 JP18 NICAM 1 1 1 1 1 1 1 JP17 G CODE1 0 1 1 1 0 1 1 JP16 G CODE0 0 1 1 1 0 1 1 JP15 EP 1 1 1 1 1 1 1 JP14 LP 0 0 0 0 0 0 0 JP13 F AV 1 1 1 1 1 1 1 JP12 2 SCART 1 1 1 1 1 1 1 JP11 RF OUTPUT OFF 0 0 0 ...

Page 37: ...H815HM LM MH85HM VC MH715HM MH835HM 56 VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 38: ...VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM EE Signal PB Luminance Signal REC Luminance Signal PB Chrominance Signal REC Chrominance Signal SIGNAL FLOW BLOCK DIAGRAM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 39: ...HM LM MH85HM VC MH715HM MH835HM 60 VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM EE Signal PB Signal REC Signal AUDIO BLOCK DIAGRAM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 40: ...62 VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM POWER CIRCUIT BLOCK DIAGRAM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 41: ... 1000 ohm M 1 Meg ohm 2 All resistors are 1 16 watt unless otherwise noted 3 The unit of capacitance F is omitted µ µF p µµF 4 The values in parentheses are the ones in the PB mode the values without parentheses are the ones in the REC mode VOLTAGE MEASUREMENT CONDITIONS 1 DC voltages are measured between points indi cated and chassis ground by VTVM with AC230V 240V 50Hz supplied to unit and all c...

Page 42: ...H85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses 9 SCHEMATIC DIAGRAM AND PWB FOIL PATTERN MAIN CIRCUIT 1 1 VC MH835HM NO USE www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 43: ...705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses MAIN CIRCUIT 1 2 VC MH835HM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 44: ... LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses MAIN CIRCUIT 2 VC MH835HM VC MH835HM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 45: ... VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses MAIN CIRCUIT 3 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 46: ... VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses MAIN CIRCUIT 4 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 47: ...VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses EUR TERM CIRCUIT www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 48: ...B C D E F G H I J VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM OPERATION CIRCUIT VC MH705HM LM MH715HM VC MH815HM LM MH835HM MH85HM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 49: ...H85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses LED CIRCUIT VC MH835HM only BACK LIGHT CIRCUIT VC MH835HM only BACK LIGHT CIRCUIT except VC MH835HM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 50: ...E F G H I J VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses NICAM IGR CIRCUIT www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 51: ... I J VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VPS_PDC IRCUIT VC MH835HM only VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 52: ... 11 12 13 14 15 16 17 18 19 VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM PWB FOIL PATTERN MAIN PWB www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 53: ... B C D E F G H I J VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM OPERATION PWB NICAM IGR PWB BACK LIGHT PWB LED PWB VC MH835HM only www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 54: ...4 5 6 7 8 9 10 A B C D E F G H I J VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM VPS_PDC PWB VC MH835HM EUR TERM PWB www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 55: ... V 2SC2001LK AA Q903 VS2PD601AR 1Y V 2PD601AR AB Q961 VS2SD471 KL1E V 2SD471 KL AC Q966 VS2SB1443TV1E V 2SB1443TV AE Q967 VSKRC102S 1Y V KRC102S AA Q971 VS2PB709AR 1Y V 2PB709AR AB Q972 VSKRC103S 1Y V KRC103S AA Q992 VS2SB1443TV1E V 2SB1443TV AE Q993 VSKRC102S 1Y V KRC102S AA Q1861 VSKRC102S 1Y V KRC102S MH835HM AA Q1862 VS2PD601AR 1Y V 2PD601AR MH835HM AB Q1865 VS2PD601AR 1Y V 2PD601AR MH835HM AB...

Page 56: ...CKYCY1HF103ZS V 0 01 50V Ceramic MH815HM LM MH835HM MH85HM C501 VCEA9M0JW107M V 100 6 3V Electrolytic AB C502 VCKYCY1CF104ZS V 0 1 16V Ceramic C503 VCKYCY1CB104KS V 0 1 16V Ceramic C504 VCEA9M1HW225M V 2 2 50V Electrolytic AB C505 VCKYCY1EB223KS V 0 022 25V Ceramic AA C506 VCEA9M1HW474M V 0 47 50V Electrolytic AB C507 VCKYCY1CF104ZS V 0 1 16V Ceramic D701 RH PX0270GEZZ V PhotoDiode AC D702 VHD1SS1...

Page 57: ...0V Ceramic C710 VCCCCY1HH180JS V 18p 50V Ceramic C713 VCKYCY1HF103ZS V 0 01 50V Ceramic C715 VCCCCY1HH101JS V 100p 50V Ceramic C716 VCKYCY0JB105KY V 1 6 3V Ceramic AC C717 VCKYCY0JF105ZS V 1 6 3V Ceramic AB C718 VCKYCY1HF103ZS V 0 01 50V Ceramic C721 VCKYCY1HF103ZS V 0 01 50V Ceramic C722 VCEA9M0JW107M V 100 6 3V Electrolytic AB C723 VCKYCY1HF473ZS V 0 047 50V Ceramic AA C724 VCKYCY1HF473ZS V 0 04...

Page 58: ...RS CY1JF392JS V 3 9k 1 16W Metal Oxide R628 VRS CY1JF224JS V 220k 1 16W Metal Oxide R629 VRS CY1JF473JS V 47k 1 16W Metal Oxide R630 VRS CY1JF562JS V 5 6k 1 16W Metal Oxide R632 VRS CY1JF104JS V 100k 1 16W Metal Oxide R633 VRD RA2BE104JY V 100k 1 8W Carbon R634 VRS CY1JF101JS V 100 1 16W Metal Oxide R637 VRS CY1JF682JS V 6 8k 1 16W Metal Oxide R638 VRD RA2BE333JY V 33k 1 8W Carbon AA R653 VRS CY1J...

Page 59: ...88 VRS CY1JF104JS V 100k 1 16W Metal Oxide R789 VRD RA2BE391JY V 390 1 8W Carbon R790 VRS CY1JF473JS V 47k 1 16W Metal Oxide R792 VRS CY1JF104JS V 100k 1 16W Metal Oxide R809 VRD RA2BE101JY V 100 1 8W Carbon R811 VRS CY1JF183JS V 18k 1 16W Metal Oxide R813 VRS CY1JF272JS V 2 7k 1 16W Metal Oxide R814 VRS CY1JF332JS V 3 3k 1 16W Metal Oxide R815 VRS CY1JF000JS V 0 1 16W Metal Oxide MH705HM LM MH715...

Page 60: ...0627GEZZY V Zener Diode AA D2801 RH EX0646GEZZY V Zener Diode AA DUNTB106TEX1 X2 OPERATION Unit RESISTORS R881 VRS CY1JF103JS V 10k 1 16W Metal Oxide R882 VRS CY1JF103JS V 10k 1 16W Metal Oxide R883 VRS CY1JF223JS V 22k 1 16W Metal Oxide MISCELLANEOUS PARTS S881 QSW K0004AJZZ V Switch PLAY AB S882 QSW K0004AJZZ V Switch STOP AB S883 QSW K0004AJZZ V Switch REC AB MH815HM LM MH835HM MH85HM S884 QSW ...

Page 61: ...eramic AA C2561 VCCCCY1HH101JY V 100p 50V Ceramic AA C2562 VCEA9M1HW105M V 1 50V Electrolytic AB C2591 VCEA9M1HW105M V 1 50V Electrolytic AB C2592 VCEA9M1HW105M V 1 50V Electrolytic AB C2821 VCCCCY1HH101JY V 100p 50V Ceramic AA C2851 VCEA9M1CW106M V 10 16V Electrolytic C2852 VCEA9M1CW106M V 10 16V Electrolytic C2861 VCCCCY1HH101JY V 100p 50V Ceramic AA C2891 VCEA9M1CW106M V 10 16V Electrolytic C28...

Page 62: ...3TEX2 V Upper and Lower Drum 65 QBRSK0041GEZZ J Earth Brush Ass y AD 66 XBPSD26P04500 V 2 6P 4 5A D M AB 67 PGiDM0187AJZZ V Open Guide AC 70 MSPRC0228AJFJ V Azimuth Spring AB 71 MSPRC0224AJFJ V Height Adjusting Spring AC 72 LHLDW1894AJZZ V R T FFC Holder AB 73 MLEVP0355AJZZ V Auto Head Cleaner Ass y MH815HM LM MH835HM 201 XBPSD26P08000 V 2 6P 8S A C Head AA 202 LX BZ3096GEFD J Tilt Adjusting Screw...

Page 63: ...JSA V Front Dec MH715HM 500 6 HINDPA033WJSC V Timer LED Indicator MH705HM LM 500 6 HINDP2237AJSC V Timer LED Indicator MH715HM 500 7 MSPRD0105AJFJ V Cassette Flap Spring AB 500 10 JBTN 3164AJSB V Button POWER MH705HM LM 500 11 GCOVA2222AJZZ V R C Cover MH705HM LM AC 500 11 GCOVA2214AJZZ V R C Cover MH715HM AC 500 12 JBTN 3165AJSB V Button CH MH705HM LM 501 JBTN 3163AJSB V Button STOP PLAY MH705HM ...

Page 64: ...53 222 221 55 17 59 56 70 202 66 65 62 66 62 63 1 33 9 2 58 24 32 7 51 49 73 201 203 49 51 16 71 8 215 6 12 36 31 18 13 224 45 67 41 19 28 204 38 37 61 208 29 10 34 11 30 23 48 46 219 27 35 209 210 211 212 213 214 35 43 5 43 4 21 52 25 72 44 60 64 20 205 216 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 65: ...05HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM CASSETTE HOUSING CONTROL PARTS A A 300 302 306 304 301 314 314 305 309 315 303 312 313 317 308 307 310 311 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 66: ...M MH85HM VC MH715HM MH835HM MECHANICAL PARTS VC MH705HM LM MH715HM 605 615 607 605 602 603 616 604 E B C 601 610 603 611 600 606 C E A D D 612 606 608 617 A B 614 609 620 613 www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 67: ... MH835HM MECHANICAL PARTS VC MH815HM LM MH835HM 617 618 600 615 605 618 602 608 616 609 611 603 601 610 C E A E B C D 614 A B 617 612 616 D D 607 608 G F F 617 619 604 604 620 G VC MH835HM only www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 68: ...ette cover tilted too open Otherwise the cassette covermightwronglyrun onthecassettehousing Keep the cassette cover about 45 open and make sure that the cassette cover open lever is between the front panel and the cassette cover Now fix the front panel in place Before attaching the front panel in position make surethatthecassettecover open lever is in its right place lower most If it is outofposit...

Page 69: ...assette cover tilted too open Otherwise the cassette covermightwronglyrun onthecassettehousing Keep the cassette cover about 45 open and make sure that the cassette cover open lever is between the front panel and the cassette cover Now fix the front panel in place Before attaching the front panel in position make surethatthecassettecover open lever is in its right place lower most If it is outofpo...

Page 70: ... too open Otherwise the cassette covermightwronglyrun onthecassettehousing Keep the cassette cover about 45 open and make sure that the cassette cover open lever is between the front panel and the cassette cover Now fix the front panel in place Before attaching the front panel in position make surethatthecassettecover open lever is in its right place lower most If it is outofposition pushitdown wi...

Page 71: ...0247AJSB MH705HM LM RRMCG1256AJSB MH715HM MH85HM MH815HM LM RRMCG1291AJSB MH835HM Infrared Remote Control Unit SPAKP0051UMZZ Foam Bag SPAKXA019WJZZ Packing Pulp L SPAKXA018WJZZ Packing Pulp R Operation Manual TiNS A101UMZZ MH85HM TiNS A082UMZZ MH835HM TiNS A079UMZZ MH705HM LM MH715HM TiNS A080UMZZ MH815HM LM Quick Set up Guide TiNS A393WJZZ MH85HM TiNS A392WJZZ MH705HM www freeservicemanuals info ...

Page 72: ...101 VC MH705HM LM VC MH815HM LM MH85HM VC MH715HM MH835HM www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

Page 73: ... or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan DSMM P SUKM TQ S Jun 2002 Printed in Japan SA KY www freeservicemanuals info 6 17 2019 Digitized in Heiloo the Netherlands Not for sale ...

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