VOLUME RM-RXVB55 REMOTE CONTROL Area Suffix UY ....Argentina This service manual adds UY version to the service manual (RV-B550BU No.20826) previously issued. Contents Adjustment method ......... 1-15 Safety precautions ........1-2 Flow of functional operation Importance administering until TOC read ....1-19 point on the safety .....
RV-B550BU Safety precautions 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.
RV-B550BU Importance administering point on the safety Note : It's means "J" for U.S.A. and Canada market model. RV-B550J ONLY RV-B550J SEULEMENT Full Fuse Replacement Marking Marquage Pour Le Remplacement Complet De Fusible Graphic symbol mark Le symbole graphique (Ce symbole signifie (This symbol means fast blow type fuse.)
RV-B550BU 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.
RV-B550BU Preventing static electricity 1. Grounding to prevent damage by 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.
RV-B550BU Side grille (left) Disassembly method <Main Body> Removing the side grilles (See Fig.1 and 2) Remove the six screws A attaching the side grille on the left side of the body and pull out the side grille from the body.
RV-B550BU CN406 Removing the cassette mechanism CN405 assembly (See Fig.4 and 5) Prior to performing the following procedure, remove the right and left side grilles and the front cabinet assembly. Disconnect the card wires from connector CN405 and CN406 on the microcomputer board located on the underside of the CD unit of the rear cabinet assembly.
RV-B550BU Microcomputer board Removing the tuner board (See Fig.9) CN403 Antenna wire Prior to performing the following procedure, remove the right and left side grilles, the front cabinet assembly. Disconnect the card wire from connector CN403 on the microcomputer board.
RV-B550BU <CD unit assembly> Key switch board Removing the microcomputer board (See Fig.12 and 13) Disconnect the card wire from connector CN251 and CN252 on the key switch board on the front side of the CD unit assembly. Remove the four screws J attaching the microcomputer board on the underside of the CD unit assembly.
RV-B550BU CD door switch Removing the CD door switch board board (See Fig.16) Prior to performing the following procedure, remove the microcomputer board. Release the two tabs d fixing the CD door switch board on the back of the CD unit assembly.
RV-B550BU <Front Cabinet Assembly> Removing the LED boards (See Fig.20) Prior to performing the following procedure, remove FW261 the front cabinet assembly and the rear cabinet Speaker Speaker assembly. FW251 Remove the two screws N and two screws O attaching the LED boards on the speaker.
RV-B550BU <<Cassette mechanism section>> Cassette mechanism Removing the playback/recording & eraser head ( See Figs. 1 and 2 ) 1. While shifting the trigger arms seen on the right side of the head mount in the arrow direction, Flywheel R...
RV-B550BU Removing the head amplifier & mechanism control P.C. board (See Fig. 4) Belt 1. Remove the cassette mechanism assembly. Main motor 2. After turning over th cassette mechanism assembly, assembly remove the three screws A retaining the head amplifier & mechanism control P.C. board.
RV-B550BU Removing the flywheel (See Figs. 7 and 8) Flywheel R Flywheel L 1. Remove the head amplifier & mechanism control P.C. board. 2. Remove the main motor assembly. 3. After turning over the cassette mechanism, remove the slit washers b and c fixing the capstan shafts R and L, and pull out the flywheel R and L respectively from behind the cassette mechanism.
RV-B550BU Adjustment method Tuner section Measuring devices necessary for adjustment 1. Low-frequency oscillator Voltage input to the tuner ......+B: DC 5.7 V VT: DC 12 V It must have the ability to output 600ohm from 0 dBs Standard measuring output ..26.1 mV (0.28 V) /3ohm at an oscillation frequency of 20 Hz 50 Hz.
RV-B550BU Location of parts to be adjusted Cassette handling mechanism Cassette handling mechanism (reverse side) Head for recording, playing and erasing the tape Head azimuth adjusting Head azimuth adjusting screw (fast-forward) screw (rewind) CN31 Head for recording, Head azimuth adjusting...
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RV-B550BU Adjustment of cassette handling mechanism Items Condition Method for adjustment Standard Parts to be and confirmation value adjusted Confirmation Test tape: VT-703 (10 kHz) (1) Play back the VT-703 test tape. Maximum Adjust the of head angle Measuring output terminal:...
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RV-B550BU Standard values for confirmation of electronic performance Items Condition Method for adjustment Standard Parts to be and confirmation value adjusted Erasing Fast-forward and Load the test tape (AC-514 for TYPE II, TYPE II: 110 current rewind direction: AC-225 for TYPE I) into the tape...
RV-B550BU Flow of functional operation until TOC read Check Point Slider turns REST Power Key Power ON Check that the voltage at the pin 5 SW ON. of CN602 (or pin 5 of IC901) is 0V (a moment)? Automatic tuning...
RV-B550BU 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.
RV-B550BU Description of major ICs AN8806SB (IC601) : RF&Servo AMP 1.Terminal Layout PDAC PDBD LDON PDER PDFR TBAL RF OUT FBAL RF IN C.AGC EF OUT C.ENV TE OUT C.EA CROSS CS BDO TE BPF VDET CS BRT LD OFF...
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RV-B550BU 3. Functions Pin No. Symbol Functions and operations APC amp input terminal APC amp output terminal LD ON APC ON/OFF control terminal Connect to ground Power supply Inverse input pin for RF amp RF OUT RFamp output RF IN...
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RV-B550BU BH3852S (IC501) : E.Volume 1.Block diagram (BASS) (TREBLE) TONE CONTROL CONTROL (BASS) (TREBLE) TONE CONTROL 2.Pin function Function Function Pin No. Pin name Pin No. Pin name Terminal for bass control Grand terminal BASS Terminal for treble control Terminal for 1ch volume input...
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RV-B550BU 3. Description symbol I/O Description symbol I/O Description BCLK Not used Tracking error shunt signal output(H:shunt) 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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RV-B550BU VICTOR COMPANY OF JAPAN, LIMITED AUDIO DIVISION,10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.20826C) 200101 (V )