UX-P5R UX-P5R SERVICE MANUAL MICRO COMPONENT SYSTEM UX-P5R COMPACT DIGITAL AUDIO C D - R / R W P L A Y B A C K STANDBY/ON M I C R O C O M P O N E N T S Y S T E M U X ·...
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UX-P5R 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.
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UX-P5R (U.K only) 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer.
UX-P5R 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. 1.1. 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.
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UX-P5R 1.3. Cautions on removing the CD traverse unit * For removing the CD traverse unit in detail, refer to the "Adjustment Method" section of this manual. 1. Before disconnecting the flexible wire from the connector CN601 on the CD SERVO board, solder the part shown in the figure below.
UX-P5R Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.
UX-P5R Disassembly method Metal cover <Main body> Removing the metal cover (See Fig.1 and 2) Remove the six screws A on the back of the body. Remove the two screws B on the side of the body. Pull both sides of the metal cover outward and lift the rear part of the cover.
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UX-P5R Removing the tuner board (See Fig.4 and 5) Tuner board Prior to performing the following procedure, remove the metal cover. Disconnect the card wire from connector CN1 on the tuner board. Remove the screw D on the right side of the body.
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UX-P5R Remove the rear panel (See Fig.8 to 11) Joint a Joint a Prior to performing the following procedure, remove Rear panel the metal cover, rear cover and the CD mechanism assembly. Remove the seven screws G attaching the rear panel.
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UX-P5R CN931 CN901 CN900 Removing the power amplifier board / Main board CN933 Front panel assembly power amplifier sub board / main board / heat sink (See Fig.13 to 21) Prior to performing the following procedure, remove the metal cover, the rear cover, the CD mechanism assembly and the rear panel.
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UX-P5R Removing the power amplifier board Main board (See Fig.19 and 21) Disconnect the power amplifier board from connector CN941 on the power amplifier sub board. Removing the power amplifier sub board (See Fig.19 to 21) Disconnect the two wires from connector CN944,...
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UX-P5R Removing power transformer J1000 assembly (See Fig.22 and 23) Prior to performing the following procedure, remove the metal cover, the rear cover, the CD mechanism assembly and the rear panel. Power transformer assembly Remove the assembly consisting of the power...
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UX-P5R Removing the display board / switch Front panel assembly board (See Fig.26 to 28) Prior to performing the following procedure, remove the front panel assembly. Pull out the VOLUME knob on the front panel. VOLUME knob Remove the fifteen screws N on the back of the front panel and remove the display board with the switch board.
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UX-P5R Removing the headphone board Display board (See Fig.29) Prior to performing the following procedure, remove the front panel assembly. Band Remove the screw P on the back of the front panel. If necessary, remove the band bundling the wire extending from the headphone board and the display board.
UX-P5R Main adjustment Tuner section Measurement Instruments Required for Adjustment B/E/EN version 1. Low frequency oscillator FM Band cover: 87.5 108MHz This oscillator should have a capacity to output MW Band cover: 522 1,629kHz LW Band cover: 144 288kHz 0dBs to 600 at an oscillation frequency of 50Hz-20kHz.
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UX-P5R << >> Arrangement of Adjusting Position Cassette mechanism section Cassette mechanism section (Back side) Head azimuth Head azimuth adjusting screw adjusting screw (Forward side) (Reverse side) Head azimuth Head azimuth Playback/Recording & adjusting screw adjusting screw eraser head (Forward side)
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UX-P5R Tape Recorder Section Measurement Adjusting Standard Items Measurement method conditions positions Values Adjust the head Confirmation Test tape 1 Playback the test tape VTT703L (8kHz) Maximum azimuth screw of head angle : VTT703L (8kHz) 2 With the recording & playback mechanism,...
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UX-P5R Electrical Performance Adjusting Measurement Standard Items Measurement method positions conditions Values VR31 AC-225 Adjustment of Mode: Forward or 1 With the recording and playback : 4.20 recording bias reverse mode mechanism, load the test tapes (AC-514 to AC-514 current...
UX-P5R Flow of functional operation until TOC read (CD) Check Point Slider turns REST Power Key Power ON Check that the voltage at the pin4 SW ON. of CN601 is 0V (a moment)? Automatic tuning of TE offset Check that the voltage at the...
UX-P5R Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Befor you replace the pick up, please try to Turn off the power switch and,disconnect the clean the lens with a alcohol soaked cotton power cord from the ac outlet.
UX-P5R Description of major ICs UPD780058 (IC931 ) : Main micon 1. Pin layout 80 ~ 25 ~ 2. Pin function Port Name Function Function SAFETY0 P15/AN15 Irregular voltage detection 0 Safety P16/AN16 DOOR_RST REST/CLOSE switch detect port Door CDSAFETY...
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UX-P5R Port Name Function Function LEDRV Lite LED indicate Reverse P64/RD LED_REC P65/WR Lite LED indicate REC LEDFR Lite LED indicate Forward P66/WAIT STTA Tape IC Strobe Tape P67/ASTB LCDAT P30/TO0 LCD data LMODE LCD date mode control P31/TO1 LCDCK...
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UX-P5R LA6541 (IC801) : Foucus & Spindle & Feed & Tracking BTL driver 1. Pin Layout & block diagram Vref Vin4 Vin3 Level B T L B T L Level RESET shift driver driver shift Level B T L B T L...
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UX-P5R MN662748RPM (IC651) : Digital servo & digital signal processer 1. Pin layout 20 ~ 41 ~ 2.Block diagram AVSS1 LRCKIN(MSEL) 8TIMES AVDD1 BCLK(SSEL) DIGITAL OVER SAMPUNC OUTR SRDATAIN DEEMPHSIS 1BIT DIGITAL FILTER (PSEL) LOGIC IOSEL CLVS BLKCK OUTL CLDCK...
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UX-P5R 3. Pin function Symbol I/O Symbol I/O Function Function Not used Tracking error shunt signal output (H:shunt) BCLK LRCK Not used PLAY Not used SRDATA WVEL Not used Not used DVDD1 Power supply (Digital) RF signal input DVSS1 Connected to GND...
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UX-P5R LA1838 (IC1): FM AM IF AMP&detector, FM MPX decoder 1. Block Diagram DECODER RF.AMP ANIT-BIRDIE MUTE BUFF STEREO P-DET AM IF PILOT 384KHz COMP S-METER AM/FM S-CLRVE S-METER IF-BUFF TUNING STEREO DRIVE DRIVE FM IF 2. Pin Function Symbol...
UX-P5R Internal connection of display QLD0160-001 (D1934) 1-40...
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UX-P5R UX-P5R VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan No.20917 1-41 200103(O)