VS-DT7R SECTION 1 Important safety precautions 1.1 Safety Precautions (1) This design of this product contains special hardware and Measure the AC voltage across the resistor with the AC many circuits and components specially for safety purposes. voltmeter. For continued protection, no changes should be made to the Move the resistor connection to each exposed metal original design unless authorized in writing by the part, particularly any exposed metal part having a return...
VS-DT7R 1.5 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
VS-DT7R 1.8 Important for laser products (1) CLASS 1 LASER PRODUCT (5) CAUTION : If safety switches malfunction, the laser is able (2) DANGER : Invisible laser radiation when open and inter to function. lock failed or defeated. Avoid direct exposure to beam. (6) CAUTION : Use of controls, adjustments or performance (3) CAUTION : There are no serviceable parts inside the of procedures other than those specified herein may result...
VS-DT7R SECTION 2 Disassembly method 2.1 Main body section 2.1.1 Removing the top lens [VS-DT9R only] (See Figs.2-1) From the top side of the main body, remove the four screws A attaching the top lens. Fig.2-1 2.1.2 Removing the bottom panel (See Figs.
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VS-DT7R 2.1.4 Removing the CD mechanism assembly (See Fig. 2-5.) • Remove the top lens. [VS-DT9R only] • Remove the bottom panel. • Remove the top panel. (1) From the top side of the main body, disengage the claw c of the CD mechanism assembly and then remove the push button.
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VS-DT7R 2.1.6 Removing the tuner board (See Figs. 2-8 and 2-9.) • Remove the top lens. [VS-DT9R only] • Remove the bottom panel. • Remove the top panel. • Remove the CD mechanism assembly. (1) Disconnect the card wire from connector CN111 on the main board.
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VS-DT7R 2.1.8 Removing the main board (See Figs. 2-10 and 2-11.) • Remove the top lens. [VS-DT9R only] • Remove the bottom panel. • Remove the top panel. • Remove the CD mechanism assembly. • Remove the front panel assembly. •...
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VS-DT7R 2.1.10 Removing the power transformer (See Fig. 2-13.) • Remove the top lens. [VS-DT9R only] • Remove the bottom panel. • Remove the top panel. • Remove the CD mechanism assembly. (1) Disengage the wire clamp and tie band bundling the wires of the power transformer.
VS-DT7R 2.2 Front panel assembly section • Remove the top lens. [VS-DT9R only] • Remove the bottom panel. • Remove the top panel. • Remove the CD mechanism assembly. • Remove the front panel assembly. 2.2.1 Removing the front switch board (See Fig.
VS-DT7R 2.3 CD mechanism assembly section 2.3.1 Removing the LED board (See Fig. 2-21.) From the top side of the CD mechanism assembly, disengage the claw a of the top chassis attaching the LED board and then remove the LED board. Fig.2-21 2.3.2 Removing the CD mechanism assembly (See Fig.
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VS-DT7R 2.3.4 Removing the traverse mechanism assembly (See Fig. 2-24.) • Remove the CD servo board. (1) Remove the two screws C attaching the CD servo board bracket. (2) Remove the two screws D attaching the traverse mecha- nism assembly. (3) Disengage the claw e attaching the traverse mechanism assembly and then take out the traverse mechanism as- sembly.
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VS-DT7R 2.3.6 Attaching the pickup unit (See Figs. 2-27 and 2-28.) [Reference] Refer to the explanation of "Removing the pickup unit" on the preceding page. (1) Attach the P.S. spring and rack plate to the pickup unit. (2) Insert the shaft into the pickup unit. (3) Engage the section f of the pickup unit with the traverse mechanism assembly first, and set the both ends of the shaft in the grooves g and h.
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VS-DT7R 2.3.9 Removing the switch board (See Fig.2-30.) • Remove the CD mechanism assembly. (1) From the top side of the CD mechanism assembly, re- move the screw K attaching the switch board. (2) Lift the switch board slightly and then remove the wire from connector CN101 on the switch board.
VS-DT7R 3.2 Maintenance of laser pickup 3.3 Replacement of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser diode has expired,the following symptoms will appear.
VS-DT7R SECTION 4 Description of major ICs 4.1 MN101CP30AKJ (IC701) : System control microcomputer 4.1.1 Terminal layout 4.1.2 Pin function Pin No. Symbol Function THERM Temperature detection, ON/OFF control of FAN_SW signal(pin 57) KEY1 Key switch input of the main body KEY2 Key switch input of the main body VERSION...
VS-DT7R LOMUTE Line out mute signal, MUTE=L TREMCONT Remote controller effective signal for horizontal establishment, L : effective state Not connect Detecting signal for horizontal or vertical establishment Not connect Not connect Not connect CDRSI CD reset output (Connect to FMU-F1.) Not connect BLCTL Not connect...
VS-DT7R 4.3 MN662790RSC (IC651) : Digital servo & Digital signal prossesor 4.3.1 Terminal layout 4.3.2 Pin function Pin No. Symbol Function BCLK Bit clock output for SRDATA LRCK LR signal separation output SRDATA Serial data output DVDD1 Power supply for digital circuit DVSS1 GND for digital circuit Digital audio ineterface output...
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VS-DT7R LDON Not use PLLF2 Not use DSLBDA Not use WVEL Not use RF signal input IREF Referrence current input Bias pin for DSL DSLF I/O Loop filter pin for DSL PLLF I/O Loop filter pin for PLL VCOF I/O Loop filter pin for VCO AVDD2 Power supply for analog circuit AVSS2...
VS-DT7R 4.4 UPC78L05J-T (IC191) : Three terminal voltage regulator 4.4.1 Terminal layout 4.4.2 Circuit diagram 4.5 UPD780024AGKB62 (IC251) : Unit microcomputer 4.5.1 Terminal layout 4.5.2 Pin function Pin No. Symbol Function P50/A8 Connect to ground P59/A9 Not use Synchronous/asynchronous output MRDY Ready signal input CDINDEX...
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VS-DT7R PCHK Voltage monitor (for safety) P14/ANI4 Connect to ground P13/ANI3 Connect to ground P12/ANI2 Connect to ground /REST Rest switch input Mechanism switch (Photo sensor) AVREF Reference voltage for analog circuit AVDD Power supply terminal for analog circuit /RESET CD control reset input Not use Connect to power supply...
VS-DT7R 4.8 MN101CP35DKB (IC811) : FL driver microcomputer 4.8.1 Terminal layout 4.8.2 Pin function Pin No. Symbol Function Not connect FLDATA I/O FL driver communication data input/output FLCLK FL driver communication clock input Not connect FLCS FL driver communication chip select input Not connect VDD(B5V) OSC2...
VS-DT7R 4.11 LA1838 (IC1) : FM AM IF amplifier & Detector, FM MPX Decoder 4.11.1 Terminal layout 4.11.2 Pin function Pin No. Symbol Function FM IN This is an input terminal of FM IF signal. AM MIX O This is an out put terminal for AM mixer. FM IF Bypass of FM IF AM IF...
VS-DT7R 4.14 LC72136N (IC2) : PLL frequency synthesizer 4.14.1 Terminal layout 4.14.2 Block diagram 4.14.3 Pin function Pin No. Symbol Function XOUT X'tal oscillator connect (75kHz) LOW:FM mode Chip enable, When data output/input for 4pin(input) and 6pin(output): H Input for receive the serial data from controller Sync signal input use Data output for Controller, Output port ST/MONO...
VS-DT7R 4.15 LC72723 (IC3) : RDS decoder 4.15.1 Terminal layout 4.15.2 Block diagram 4.15.3 4.15.4 Pin function Pin No. Symbol Function VREF Reference voltage output (Vdda/2) Base band (multiplex) signal input VDDA Analog system power supply (+5V) VSSA Analog system ground FLOUT Subcarrier output (filter output) Subcarrier input (comparator input)
VS-DT7R 4.19 XC62HR3502P (IC291) : Regulator 4.19.2 Block diagram 4.19.1 Terminal layout 4.19.3 Pin function Pin No. Symbol Function Power supply input ON/OFF ON/OFF control (NC) Not use Vout Regulator output...
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VS-DT7R VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200207 (No.21119)
VS-DT7R SCHEMATIC DIAGRAMS COMPACT COMPONENET SYSTEM VS-DT7R CD-ROM No.SML200207 COMPACT COMPONENT SYSTEM STANDBY/ON PLAY MODE REPEAT FM MODE BASS TREBLE MD/AUX CANCEL TA/NEWS SEARCH SELECT /INFO DISPLAY FM/AM MODE DIMMER SLEEP AHB PRO DISPLAY CLOCK OPEN/ /TIMER CLOSE VOLUME SP-VSDT6 CA-VSDT7R SP-VSDT6 Area suffix...
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In regard with component parts appearing on the silk-screen printed side (parts side) 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. (This regulation does not correspond to J and C version.)
VS-DT7R Block diagram CD servo board Main board Switch board IC601 IC812 RF & Servo Front Pickup amplifier REMOCON IC811 DI811 Switch board Loading motor board driver display MICOM IC251 Unit MICOM IC701 LVA10324-A2 Loading System STANDBY LED motor control Sensor board KEY LED MICOM...
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VS-DT7R VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200207 (No.21119SCH)
VS-DT7R PARTS LIST [ VS-DT7R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe EN ------------ Northern Europe - Contents - 3- 3 Exploded view of general assembly and parts list (Block No.M1) 3- 5 CD mechanism assembly and parts list (Block No.MB) 3- 8...
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VS-DT7R Exploded view of general assembly and parts list Block No. Power amplifier board Main board Tuner board 69 72 Switch board Speaker board 16.10 16.20 Open/Close board FL board...
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VS-DT7R VS-DT7R Parts list (General assembly) Parts list (General assembly) Block No. M1MM Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area GV10091-003A MOVING BASE 1 PS/PAINT GV40333-001A SPACER GV40269-001A ROLLER 4 POM GV40330-001A...
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VS-DT7R CD mechanism assembly and parts list Block No. FMU-F1-1M Grease = JVG-31N = JC-803B = JVS-1003 Back side CD switch A=0.6 0.2mm board SLIT WASHER 131.3 0.1mm Gap 'A' Gap 'A' 13.3 0.1mm 0 0.1mm 6.7 0.1mm Tra-mecha CD servo board board...
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VS-DT7R Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area LV10647-005A LOADING BASE LV33481-004A KICK LEVER UNIT LV42819-002A COMP.SPRING LV21204-003A SLIDE CAM LV42977-001A CAM SPRING LV33336-001A UD GEAR WJM0294-002A E-SI C WIRE C-F QJJ024-041504 SIN CR C-C WIRE LV41741-002A SPECIAL SCREW...
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VS-DT7R Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area LV42965-001A ROD SPRING QUQ210-0705DF FFC WIRE CD PWB BKT LV33345-001A QYSBSF2006Z SCREW 4 FOR PWB/BKT QYSBSF2006Z SCREW 2 FOR PWB LV10650-003A T.CHASSIS LV33349-002A MIDDLE GEAR LV33350-001A RACK PINION LV33352-001A...
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VS-DT7R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB31CK-223X C CAPACITOR CN 1 QGF1205C1-13 CONNECTOR NCB31CK-103X C CAPACITOR CN101 QGA2501C1-04 4P CONNECTOR FROM SPK.JACK QEKC1CM-106Z E CAPACITOR 10MF 20% 16V CN102...
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VS-DT7R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C1915 QTE1E06-476Z E CAPACITOR C5204 QTE1C28-106Z E CAPACITOR C1916 NCS31HJ-221X C CAPACITOR C5205 QEKC1CM-106Z E CAPACITOR 10MF 20% 16V C1917 NCB31HK-103X C CAPACITOR...
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VS-DT7R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q3807 KTC3203/OY/-T TRANSISTOR R 72 NRSA63J-102X MG RESISTOR Q3808 DTA114TKA-X DIGI TRANSISTOR R 73 NRSA63J-102X MG RESISTOR Q3809 DTC144EKA-X TRANSISTOR...
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VS-DT7R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R1909 QRE141J-102Y C RESISTOR 1.0K 5% 1/4W R3814 QRJ146J-2R2X UNF C RESISTOR 2.2 5% 1/4W R1910 NRSA63J-472X MG RESISTOR R3815 QRJ146J-100X...
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VS-DT7R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R7125 NRSA63J-222X MG RESISTOR X 70 QAX0263-001Z CRYSTAL R7126 NRSA63J-222X MG RESISTOR X7001 QAX0401-001 CRYSTAL R7127 NRSA63J-222X MG RESISTOR X7002 QAX0283-001Z...
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VS-DT7R Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 801 NEA70JM-107X E CAPACITOR R 873 NRSA63J-681X MG RESISTOR C 802 NCB31HK-103X C CAPACITOR R 874 NRSA63J-681X MG RESISTOR C 803...
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VS-DT7R Electrical parts list (CD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 254 QERF1AM-476Z E CAPACITOR 47MF 20% 10V IC601 AN22000A-W RF AMP C 255 NCB31CK-104X C CAPACITOR IC651 MN662790RSC C 271...
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VS-DT7R Electrical parts list (CD servo board) Block No. 03 Item Parts number Parts name Remarks Area R 669 NRSA63J-562X MG RESISTOR R 671 NRSA63J-684X MG RESISTOR R 675 NRSA63J-100X MG RESISTOR R 681 NRSA63J-0R0X MG RESISTOR R 682 NRSA63J-102X MG RESISTOR R 683 NRSA63J-105X...