Page 1: Table Of Contents
STANDBY/ON CLOCK /TIMER FM MODE SLEEP DISPLAY TA/NEWS DISPLAY /INFO – SELECT CANCEL REV.MODE REPEAT PLAY MODE MICRO COMPONENT SYSTEM UX-A52R FM/AM TAPE AUX/MD STANDBY/ON COMPACT BEEP DIGITAL AUDIO SOUND MODE VOLUME RM-SUXA52R PHONES Area Suffix B ---------------------------- U.K. E -------- Continental Europe...
Page 2 UX-A52R 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.
Page 3 UX-A52R (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.
Page 4: Preventing Static Electricity
UX-A52R 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.
Page 5: Important For Laser Products
UX-A52R 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.
Page 6: Disassembly Method
UX-A52R Disassembly method Rear cover <Main body> Removing the rear cover (See Fig.1 and 2) Remove the eight screws A on the back of the body. Remove the two screws B on the bottom of the body. Antenna terminal Unlock the speaker terminal and the antenna...
Page 7 UX-A52R Removing the top panel (See Fig.6 and 7) Top panel Prior to performing the following procedure, remove Joint the rear cover and the side panels. Remove the two screws D on each side of the body. Release the two joints b on each side of the body and remove the top panel in the direction of the arrow.
Page 8 UX-A52R Removing the system control board (See Fig.9) Prior to performing the following procedure, remove CN716 the rear cover, the side panels and the top panel. CN715 CN701 CN712 CN706 Disconnect the card wire from connector CN701 and CN711 the wire from connector CN706, CN715, CN716 on the system control board.
Page 9 UX-A52R Front panel assembly Removing the front panel assembly (See Fig.11 and 12) Prior to performing the following procedure, remove the rear cover, the side panels, the top panel and the system control board. Release the two joints d on the lower right and left sides of the front panel assembly, then remove the front panel assembly toward the front.
Page 10 UX-A52R Main board Removing the main board / the heat sink CN804 (See Fig.15 to 17) Prior to performing the following procedure, remove the rear cover, the side panels, the top panel, the cassette mechanism assembly section and and the system control board.
Page 11 UX-A52R Removing the AC jack board (See Fig.18 and 19) Power transformer assembly AC jack board Prior to performing the following procedure, remove CN809 the rear cover, the side panels, the top panel, the cassette mechanism assembly section, the system control board and the main board / the tuner board.
Page 12 UX-A52R CD mechanism cover Removing the CD mechanism assembly CD mechanism assembly (See Fig.21 to 23) Spacer Band Prior to performing the following procedure, remove the rear cover, the side panels, the top panel, the cassette mechanism assembly section, the system control board, the front panel assembly section, the main board / the tuner board and the AC jack board.
Page 13 UX-A52R <Front panel assembly section> Prior to performing the following procedure, remove CN907 the rear cover, the side panels, the top panel, the system control board and the front panel assembly section. Relay board CN906 Removing the relay board (See Fig. 24)
Page 14 UX-A52R Removing the door switch board Drive motor assembly Door switch board (See Fig.27 and 28) Prior to performing the following procedure, remove the relay board. Loosen the screw S attaching the door switch. Joint e Remove the door switch board while releasing it from the joint e.
Page 15 UX-A52R Removing the LCD board assembly Case cover (See Fig.32 to 36) Prior to performing the following procedure, remove the relay board and the LCD section. Remove the four screws U attaching the case cover. Remove the four screws V attaching the LCD panel on the back of the LCD section.
Page 16 UX-A52R <Top panel section> Operation switch board Prior to performing the following procedure, remove the rear cover, the side panels and the top panel. Removing the operation switch board (See Fig.37) Remove the seven screws W attaching the operation switch board on the reverse side of the top panel.
Page 17 UX-A52R CL. base assembly <CD Mechanism Assembly> Hook a Removing the CL. Base Assembly and Tray Hook a (Refer to Figs. 1 to 5.) 1. Remove the two screws A fastening the CL. base assembly from the top of the CD mechanism assembly.
Page 18 UX-A52R Removing the TRAMECHA Assembly (Refer to Figs. 6 to 9.) Remove the CL. base assembly and tray. Reference: The TRAMECHA assembly can be Idle gear removed without removal of the mechanism board. TRAMECHA 1. If the TRAMECHA assembly is lowered and it is...
Page 19 UX-A52R Removing the Mechanism Board (Refer to Fig 10.) Flexible wire Reference:The mechanism board can be removed without removal of the TRAMECHA assembly. Shorting round Note: Before disconnecting the flexible wire coming CN601 on Soldered from the pickup from the connector, be sure to...
Page 20 UX-A52R Removing the Pickup Flexible wire (Refer to Figs. 11 to 14.) Shorting round Remove the CL. base assembly and tray. Remove the TRAMECHA assembly. Reference: The pickup can be removed without CN601 on removal of the mechanism board. mechanism...
Page 21 UX-A52R Reinstalling the Pickup Assembly Part k (Refer to Figs. 15 and 16.) Part j Reference: Refer to the explanation of "Removing the Pickup" on the preceding page. Pickup assembly 1. Fit the P.S. spring and rack plate to the pickup.
Page 22 UX-A52R <Cassette mechanism section> Load arm CAUTION: Prior performing following procedures, turn the mode gear in the E-washer direction of the arrow to move each section to the eject position. Removing the side bracket (L) and (R) / load board (See Fig.1 to 4)
Page 23 UX-A52R Removing the cassette hanger assembly / cassette holder (See Fig.5) Cassette hanger assembly Prior to performing the following procedure, remove the side bracket (L) and (R). Cassette holder Remove the slit washer attaching the cassette hanger assembly and pull out the pin.
Page 24 UX-A52R Removing the head assembly / head Head assembly board (See Fig.9 and 10) Prior to performing the following procedure, remove the side bracket (L), (R), cassette hanger assembly / cassette holder. Remove the spring on the lower side of the head assembly.
Page 25: Adjustment Method
UX-A52R Adjustment Method 1. Jigs and test instruments Test disc (CTS-1000) Test tape (VT712) Test tape (VT703) Test tape (AC225) 2. Adjustment and check items 1) Indications in the modes that all LCD's are on 2) CD section (1) Indication of the C1 error (2) Cancel of the C1 error indication 3.
Page 26 UX-A52R Cassette section Playback/Recording & eraser head Head azimuth Head azimuth adjusting screw adjusting screw (Reverse side) (Forward side) Head azimuth Head azimuth adjusting screw adjusting screw (Reverse side) (Forward side) Playback/Recording & eraser head Removing the Cassette Mechanism Assembly 1.
Page 27 UX-A52R Check and adjustment of the Head amplifier section Standard Adjusting Item Check/Adjustment Method Value Point 1. Head azimuth 1) Play back the end part of the test tape VT703 (10 kHz). Head Maximum adjustment 2) Adjust the head azimuth screws so that the output becomes...
Page 28 UX-A52R Extension code connecting method System control board (CN706, CN715, CN716) Cassette mechanism assembly QUQ110-1940BJ CD mechanism assembly CD servo control board System control board (CN651) (CN704) Extension wire 1-28...
Page 29 UX-A52R Flow of functional operation until TOC read (CD) Check Point Slider turns REST Power Key Power ON Check to see if the voltage at the SW ON. pin 72 of IC701 or pin 5 of CN602 becomes 0 V for an instant. (The...
Page 30: Maintenance Of Laser Pickup
UX-A52R 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.
Page 31: Description Of Major Ics 1-31~49
UX-A52R Description of major ICs UPD784216AGF (IC701) : System micon 1. Pin layout 2. Block diagram RxD1/SI1 INTP2/NMI PROGRAMMABLE UART/IOE1 TxD1/SO1 INTP0.INTP1. INTERRUPT BAUD-RATE INTP3-INTP6 ASCK1/SCK1 CONTROLLER GENERATOR RxD2/SI2 TI00 TIMER/EVENT UART/IOE2 TxD2/SO2 TI01 COUNTER BAUD-RATE ASCK2/SCK2 (16BITS) GENERATOR CLOCKED...
Page 32 UX-A52R 3. Pin function (1/2) Pin No. Symbol Description Not connected FAUX2 Not connected Not connected RDSDATA Stereo detection TUST Stereo indicator detection Not connected Tuner switch output FTUNER CD switch output Connected with VDD Not connected PB mute output...
Page 33 UX-A52R 3. Pin function (2/2) UPD784216AGF(2/2) Pin No. Symbol Description Reference power supply +5 V AVREF Reference power supply +5 V AVREF0 Current detection SEFTY2 Current detection SEFTY3 LDCK Function switch key input FKEY1 Destination switch input VERSION Function switch key input...
Page 34 UX-A52R UPD780024AGKB21 (IC251) : Unit micon 1. Pin layout 2. Pin function (1/2) Symbol Description P50/A8 Connected to GND P59/A9 Not used Pull-up +B MRDY Not used CDINDEX Not used CDEMP CD emphasis detection CDTNO CD track No. detection CDCOPY...
Page 35 UX-A52R 2. Pin function (2/2) Symbol Function Connected to GND P10/AN10 Analog circuit reference voltage. Connected with analog circuit power supply AVREF Analog circuit power supply AVDD CD control reset input from IC801 /RESET Not used Connected with power supply...
Page 36 UX-A52R LC75345M-X (IC702) : E.volume 1. Pin layout 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 2. Block diagram LINP LINM LVref LOPOUT CONTROL CIRCUIT LOGIC Vref INTERFACE CIRCUIT CONTROL...
Page 37 UX-A52R 3. Pin function Pin No. Symbol Function Serial data and clock input pin for control. Chip enable pin. Ground pin. LOPOUT Output pin of general-purpose operation amplifier. LINM Non-inverted input pin of general-purpuse operation amplifier. LINP Non-inverted input pin of general-purpuse operation amplifier.
Page 38 UX-A52R MN662790RSC (IC651) : Digital servo & processor 1.Pin layout 2.Pin function MN662790RSC (1/2) Pin No. Symbol Description BCLK Bit clock output for SRDATA LRCK Identifying signal output of L,R SRDATA Serial data output DVDD1 Power supply for digital circuit...
Page 39 UX-A52R 2.Pin function MN662790RSC (2/2) Pin No. Symbol Functions PLLF2 Terminal for loop filter characteristic switch for PLL DSLBDA Non connect WVEL Non connect RF Signal output IREF Standard electric current input terminal Bias terminal for DSL DSLF Loop filter terminal for DSL...
Page 40 UX-A52R LA6541-X (IC801) : Servo 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 Level Regulator shift driver driver...
Page 41 UX-A52R 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...
Page 42 UX-A52R LC72136N (IC2) : PLL frequency synthesizer 1. Pin layout FM/AM LPFOUT LPFIN CLOCK FM/ST/VCO FMIN AM/FM AMIN IFCONT SDIN IFIN 2. Block diagram Phase Reference Detector Driver Charge Pump Swallow Counter Swallow Counter 1/16,1/17 4bit 1/16,1/17 4bit Unlock Detector...
Page 43 UX-A52R LA72723 (IC3) : RDS demodulation 1. Pin layout RDS-ID/READY VREF RDCL MPXIN RDDA Vdda Vssa MODE FLOUT Vddd Vssd XOUT 2. Block Diagram FLOUT VREF Vdda CLOCK Vddd RECOVERY (1187.5Hz) REFERENCE (57kHz) VOLTAGE Vssa Vssd VREF 57kHz MPXIN (SCF)
Page 44 UX-A52R LA4628 (IC801) : Power amp. 1. Pin layout 2. Block diagram OUTPUT PPIN TO VCC RIPPLE SHORT PROTECTOR FILTER -OUT1 PREDRIVER POWER LOAD SHORT POWER PROTECTOR PREDRIVER POWER +OUT1 OUTPUT PIN TO GND PRE GND BIAS OVER VOLTAGE/ SHORT PROTECTOR...
Page 45 UX-A52R L4909 (IC802) : Regulator 1. Pin layout 9 10 11 12 13 14 15 2. Block diagram VINA THERMAL REFERENCE VINB REF+20% 3,13 SHUTDOWN GENERATOR REG1 REG1 ENABLE REG2 CONTROL REG3 REG2 OVER CURRENT CHECK TRIG REG3 3. Pin functions Pin No.
Page 46 UX-A52R KIA78S05P-T (IC803) : Reglator 1. Pin layout 2. Block diagram 3 INPUT 1 2 3 1 OUTPUT 2 COMMON XC62HR3502P-X (IC291) : Regulator 1. Pin layout 2. Block diagram VOUT Current Limit Output Voltage Control Reference 3. Pin function Pin No.
Page 47 UX-A52R BA3126N (IC331) : R / P switch 1. Pin layout & Block diagram AN7317 (IC332) : R / P amp 1. Pin layout & Block diagram 112k Mute 112k 2. Pin function Pin No. Function CH1 playback amp input...
Page 48 UX-A52R GP1UM271XK (IC901) : Remocon 1. Block diagram Com- Limiter B.P.F Demodu- Integrra- para- lator Vout BU4094BCF-X (IC333) : Shift / Store registor 1. Pin layout 2. Block diagram DATA VDD OUTPUT 8-STAGE SERIAL ENABLE SHIFT REGISTER OUTPUT CLOCK 8-BIT...
Page 49 UX-A52R AN22000A-W (IC601) : RF head amp. 1. Pin layout 9 10 11 12 13 14 15 16 2. Block diagram 3TOUT NRFDET FEOUT TEOUT TEBPF VDET VREF 3. Pin function Pin No. Function Pin No. Function APC amp input terminal.
Page 50 UX-A52R UX-A52R VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan 1-50 (No.21064) 200202...
Page 51 STANDBY/ON CLOCK /TIMER FM MODE SLEEP DISPLAY TA/NEWS DISPLAY /INFO – SELECT CANCEL REV.MODE REPEAT PLAY MODE MICRO COMPONENT SYSTEM UX-A52R FM/AM TAPE AUX/MD STANDBY/ON COMPACT BEEP DIGITAL AUDIO SOUND MODE VOLUME RM-SUXA52R PHONES INSTRUCTIONS For Customer Use: Enter below the Model No. and Serial No.
Page 52 Warnings, Cautions and Others IMPORTANT for the U.K. DO NOT cut off the mains plug from this equipment. If the plug fitted is not suitable for the power points in your home or the cable is too short to reach a power point, then obtain an appropriate safety approved extension lead or consult your dealer.
Page 53 10 cm or more. Front view 15 cm 15 cm 1 cm 1 cm 15 cm 15 cm UX-A52R 10 cm Side view 15 cm 15 cm UX-A52R – G-2 –...
Page 54 IMPORTANT FOR LASER PRODUCTS REPRODUCTION OF LABELS 1 CLASSIFICATION LABEL, PLACED ON EXTERIOR SURFACE CLASS LASER PRODUCT 1. CLASS 1 LASER PRODUCT 2. DANGER: Invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam. 3. CAUTION: Do not open the top cover. There are no user serviceable parts inside the Unit;...
Page 55 SAFETY INSTRUCTIONS “SOME DOS AND DON’TS ON THE SAFE USE OF EQUIPMENT” This equipment has been designed and manufactured to meet international safety standards but, like any electrical equipment, care must be taken if you are to obtain the best results and safety is to be assured. ✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮✮...
Page 56 Introduction We would like to thank you for purchasing one of our JVC products. Before operating this unit, read this manual carefully and thoroughly to obtain the best possible performance from your unit, and retain this manual for future reference.
Page 57 Contents Location of the Buttons ........3 Playing Back a CD ........20 Main Unit ............... 3 Precautions on CD Playback ........ 21 Remote Control ............5 Playing Back the Entire CD—Normal Play ..21 Basic CD Operations ........... 22 Getting Started..........
Page 58: Location Of The Buttons
AHB PRO VOLUME COLOR STANDBY/ON MODE select SLEEP start open/close T A P E open/close Front view Display—indicators DAILY SOUND GROUP ST MONO DAIRY SOUND GROUP ST MONO MICRO COMPONENT SYSTEM UX-A52R STANDBY/ON COMPACT DIGITAL AUDIO PHONES – 3 –...
Page 59 • Shows the source name and some indicators, etc. y PHONES ( ) jack—stereo mini-type (12) u Remote sensor i STANDBY/ON lamp (11) MICRO COMPONENT SYSTEM UX-A52R STANDBY/ON COMPACT DIGITAL AUDIO PHONES When using the remote control, point it at the remote sensor on the electronic swing panel.
Page 60: Remote Control
Remote Control Remote control 1 DIMMER button (13, 34) 2 COLOR button (9, 13) 3 CLOCK/TIMER button (34 – 36) 4 DISPLAY button (16, 22, 26, 31, 32) 5 SET button (13, 15, 34 – 37) 6 REV. (reverse) MODE button (26) 7 CANCEL button (23, 34, 35) 8 FM/AM button (11, 15, 16) - RDS -...
Page 61: Getting Started
Getting Started Continued Unpacking Putting the Batteries into the Remote Control Make sure that you have all the following items. The number in parentheses indicates the quantity of the Insert the batteries—R6P(SUM-3)/AA(15F)—into the pieces supplied. remote control, by matching the polarity (+ and –) on the batteries with the + and –...
Page 62: Connecting Antennas
Connecting Antennas AM (MW/LW) antenna FM antenna FM antenna (supplied) Vinyl-covered wire (not supplied) Attach the FM antenna to the FM (75 Ω) COAXIAL terminal. Extend the FM antenna. Fasten it up in the position which gives you the best reception.
Page 63: Connecting Speakers
Continued Connecting Speakers To remove the speaker grilles The speaker grilles are removable. To connect speakers You can connect the speakers by following the procedure Holes Projections below: Speaker terminals Speaker grille To remove the speaker grille, insert your fingers at the top of the speaker grille, then pull towards you.
Page 64: Connecting Other Equipment
Connecting Other Equipment To connect audio equipment with an optical digital input terminal You can connect both of the analog and digital equipment. You can record CD sound onto the connected digital When you connect and use the equipment, refer also to its equipment.
Page 65: Basic And Common Operations
Basic and Common Operations Continued The buttons emphasized in the illustration below are used and explained in this section (pages 11 to 13.) Remote control COLOR DIMMER STANDBY/ON - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK FM MODE SLEEP /TIMER DISPLAY –...
Page 66: Turning On The Power
Turning On the Power Selecting the Sources and Starting Play When you press the play buttons (CD 3 / 8, TAPE 2 3) To select the tuner, press FM/AM. for a particular source or FM/AM and AUX/MD, the unit The unit automatically turns on (when the unit is on automatically turns on (and starts playback if the source is standby) and the last selected station is tuned in.
Page 67: Adjusting The Volume
Continued Adjusting the Volume Reinforcing the Bass Sound You can adjust the volume level while the unit is turned on. The richness and fullness of the bass sound is clearly The volume level has no effect on recording. maintained regardless of how low you set the volume— Active Hyper Bass PRO.
Page 68: Setting The Display Illumination
Setting the Display Illumination To adjust and register the color You can adjust the color by changing the tone, whiteness, brightness, and register into COLOR 1 to 7. You can change the color and brightness of the display • There is a time limit in doing the following steps. If the illumination.
Page 69: Listening To Fm And Am (Mw/Lw) Broadcasts
Listening to FM and AM (MW/LW) Broadcasts The buttons emphasized in the illustration below are used and explained in this section (pages 15 to 19.) Remote control - RDS - FM MODE CONTROL - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK SLEEP /TIMER...
Page 70: Tuning In A Station
Tuning in a Station Presetting Stations You can preset 30 FM and 15 AM (MW/LW) stations Press FM/AM repeatedly to select “FM” or “AM manually. (MW/LW).” The unit automatically turns on with the last selected In some cases, test frequencies have been already memorized for the tuner since the factory examined the tuner preset station.
Page 71: Tuning In A Preset Station
Continued Tuning in a Preset Station More about RDS On the remote control ONLY: • Some FM stations do not provide RDS signals. • RDS services vary among FM RDS stations. For details on RDS Press FM/AM repeatedly to select “FM” or “AM services in your area, check with local radio stations.
Page 72: Switching To A Program Type Of Your Choice Temporarily
Switching to a Program Type of Your Choice On the remote control ONLY: Temporarily Press and hold RDS CONTROL until you finish the following procedure. The Enhanced Other Networks function allows the unit to switch temporarily to a broadcast program of your choice (TA, News, or Info) from a different station.
Page 73: How The Enhanced Other Networks Function Actually Works
Continued How the Enhanced Other Networks Alarm function function actually works: If an “Alarm!” (Emergency) signal is received from a station while listening to the radio, the unit CASE 1 automatically switches to the station broadcasting the If there is no station broadcasting the program you “Alarm!”...
Page 74: Description Of The Pty Codes
Description of the PTY codes: News: News. Finance: Stock market reports, commerce, trading etc. Affairs: Topical program expanding or enlarging upon the news—debate, or analysis. Children: Programs targeted at a young audience. Info: Program the purpose of which is to Social: Programs about sociology, history, impart advice in the widest sense.
Page 75: Playing Back A Cd
Playing Back a CD Continued The buttons emphasized in the illustration below are used and explained in this section (pages 21 to 24.) Remote control - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK DISPLAY FM MODE SLEEP /TIMER TA/NEWS DISPLAY /INFO DISPLAY CANCEL...
Page 76: Precautions On Cd Playback
Precautions on CD Playback Playing Back the Entire CD—Normal Play This unit has been designed to play back discs bearing the You can play a CD. following logos: Press CD open/close 0 on the unit. The unit automatically turns on, the electronic swing CD ReWritable (CD-RW) panel slides upward, and the disc tray comes out.
Page 77: Basic Cd Operations
Continued To stop during play, press 7. Basic CD Operations The following information appears. While playing a CD, you can do the following operations. CD indicator To stop playback for a moment Press CD 3 / 8. The elapsed playing time starts flashing on the display. To resume playback, press CD 3 / 8 again.
Page 78: Programing The Playing Order Of The Tracks -Program Play
Programing the Playing Order of the Tracks To check the program contents Before playing, you can check the program contents by —Program Play pressing 4 or ¢. • 4 : Shows the programed tracks in the reverse order. You can arrange the order in which the tracks play before •...
Page 79: Playing At Random-Random Play
Playing at Random—Random Play Repeating Tracks—Repeat Play The tracks of a loaded CD will play at random. You can repeat all tracks (regardless of play mode), or also a single track as many times as you like. On the remote control ONLY: On the remote control ONLY: Load a CD.
Page 80: Playing Back A Tape
Playing Back a Tape The buttons emphasized in the illustration below are used and explained in this section (page 26.) Remote control - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK FM MODE SLEEP /TIMER DISPLAY DISPLAY REV.MODE TA/NEWS DISPLAY /INFO –...
Page 81: Playing Back A Tape
To stop during play, press 7. Playing Back a Tape To fast-wind or rewind the tape, press ¢ or 4. You can play back type I, II, and IV tapes. • When the tape direction is ¢ : Fast-winds the tape. Press TAPE open/close 0 on the unit.
Page 82: Using External Equipment
Using External Equipment The buttons emphasized in the illustration below are used and explained in this section (page 28.) Remote control - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK FM MODE SLEEP /TIMER DISPLAY DISPLAY TA/NEWS /INFO – SELECT CANCEL REV.MODE REPEAT PLAY MODE...
Page 83: Listening To External Equipment
Listening to External Equipment Recording from This Unit to External Equipment You can listen to external equipment such as an MD recorder. You can record from this unit to external equipment • First make sure that the external equipment is properly connected to the OPTICAL DIGITAL OUT terminal of this connected as follows: unit, such as an MD recorder.
Page 84: Recording On Tapes
Recording on Tapes The buttons emphasized in the illustration below are used and explained in this section (pages 31 to 32.) For recording operations, mainly use the buttons on the unit. Main unit (Top view) F M / A M A U X / M D AHB PRO VOLUME...
Page 85: Before You Start Recording
Continued Before You Start Recording • It should be noted that it may be unlawful to re-record pre-recorded tapes, records, or discs without the consent of the owner of copyright in the sound or video recording, broadcast or cable programme and in any literary, dramatic, musical, or artistic embodied therein. •...
Page 86: Recording Fm/Am (Mw/Lw) Broadcasts
To check the clock time while recording from the What’s a Recording Mode and Reverse Mode ? broadcast onto a tape You have two methods (MODE 1/2 and 2/2) to record On the remote control ONLY: from some sources onto a tape. Press DISPLAY (not on number buttons.) Recording •...
Page 87: Recording External Equipment
Recording External Equipment To record a single track during play or pause While playing back you want to record, perform steps 3 and 4 . You can record from external equipment onto a tape. The playback of the track is stopped, and then starts from The external equipment needs to be connected to LINE IN the beginning again.
Page 88: Using The Timers
Using the Timers The buttons emphasized in the illustration below are used and explained in this section (pages 34 to 37.) Remote control STANDBY/ON DIMMER - RDS - COLOR DIMMER CONTROL STANDBY/ON CLOCK CLOCK /TIMER FM MODE SLEEP /TIMER SLEEP DISPLAY TA/NEWS DISPLAY...
Page 89: Setting The Clock
Continued There are three timers available—Recording Timer, Daily When you unplug the AC power cord or if a power Timer, and Sleep Timer. failure occurs You need to set the built-in clock to use these timers. The clock setting will be reset to “0:00.” If this happen, you need to set the clock again.
Page 90: Using Daily Timer
Press 4 to select “ON,” then press SET. To turn off the Recording Timer after its setting is done, 1 Press CLOCK/TIMER repeatedly until “REC TIMER” appears on the display. Select the source to record. 2 Press ¢ to select “OFF,” then press SET. 1) Press ¢...
Page 91 Continued 2) Press ¢ or 4 repeatedly to select the minute On the remote control ONLY: of the timer-on time, then press SET. Press CLOCK/TIMER repeatedly until “DAILY The hour digit of timer-off time starts flashing on TIMER” appears on the display. the display.
Page 92: Using Sleep Timer
Using Sleep Timer To sleep with the Sleep Timer and wake up with the Daily Timer With Sleep Timer, you can fall asleep to your favorite The unit turns off when the shut-off time comes (set by the music. Sleep Timer), and turns on when the timer-on time comes •...
Page 93: Maintenance
Maintenance To get the best performance of the unit, keep your discs, tapes, and mechanism clean. General Notes Handling cassette tapes In general, you will have the best performance by keeping • If the tape is loose in its cassette, your discs and the mechanism clean.
Page 94: Troubleshooting
Specifications UX-A52R (CA-UXA52R and SP-UXA52) Amplifier General Output Power (IEC 268-3/DIN): Power requirement: AC 230 V , 50 Hz 40 W (20 W + 20 W) at 4 Ω (10 % THD) Power consumption: 45 W (at operation) Audio input sensitivity/Impedance (at 1 kHz) 1.2 W (on standby)
Page 95: Specifications
VICTOR COMPANY OF JAPAN, LIMITED 1101MWMMDWJEM...
Page 96 UX-A52R Block diagram IC901 MATRIX REMOCON FMA-006 IFOUT FMB-031-1 T1002 L1006 AC INPUT LEDCTL OSCOUT LOUT BLUE MUTE/IFOUT SCL,RS FM RF ROUT GREEN RESET FM/AM TUL,TUR FM/AM FMDET SQIN RY801 CN918 ST/MONO AM DET AMOSC CN908 AMRF CN808 TUDATA AM RF...
Page 97 UX-A52R UX-A52R Standard schematic diagrams Main & control circuit IC901 GP1UM271XK C2904 100P C2909 100P C2908 100P C2907 RESET 100P D2731 D2732 D2723 D2724 D2725 D2726 V5OUT J2003 CN701 GP1FA550TZ QGF1205C1-13 R2620 R2621 CN918 QGF1016F1-14 CN908 CN906 QUM024-10DGZ3 FW907 QGD2504C1-04Z...
Page 98 UX-A52R Power amplifier & Power supply circuit Q1701 DTA144WSA-T R1702 5.6K QQR0797-001 IC801 L1201 R1703 LA4628 5.6K DTA144WSA-T DTA144WSA-T R1704 5.6K C1205 INR4 R1705 R1101 10/35 QQR0779-001Z R1201 3.9K 5.6K K1010 INL4 330P 330P 10/35 DTA144WSA-T 3.9K C1105 Q1704 L1101...
Page 99 UX-A52R UX-A52R CD control circuit R601 180k TBAL R602 FBAL C604 QGF1016F2-06 0.022 CN671 C603 0.022 C271 C272 C601 C602 0.001 0.001 SQCK R257 GCTL KCMND MSTAT KCLK R259 R263 IC251 R251 MCLK R262 R252 MDATA UPD7800F0034A R253 C256 0.1/25...
Page 100 UX-A52R Tape circuit SG-105F3-BB,C Q3201 C3211 R3212 DTC114TKA 2.2K 0.0015 R3208 C3208 R3211 C3204 R3203 R3202 5.6K 4.7/25 0.033 2.4K 1.8K IC331 BA3126N R3304 R3378 CN715 QGA2001C1-13 R3301 IC332 AN7317 C3210 R3207 0.0068 R3371 C3110 0.0068 R3107 C3104 0.033 R3103 R3102 1.8K...
Page 101 UX-A52R UX-A52R Tuner circuit QAU0160-001 0.0039 0.47/50 0.0022 0.047 22/16 0.27 470P 1/50 0.047 22/16 10/16 0.001 10/16 1SS133-T2 100/10 1000P 1SS133-T2 0.0018 0.0018 3.3K QAX0420-001 LC72136N 1SS133-T2 LA1838 2SC2412K/R/-X 2SC2412K/R/-X 1SS133-T2 QNB0014-001 DTA114YKA-X QAX0458-001Z 5.6K DTA114YKA-X QQR0793-001 150P 150P...
Page 102 UX-A52R Printed circuit boards Main board...
Page 103 UX-A52R UX-A52R Power amplifier & control & AC jack board...
Page 104 UX-A52R CD servo control board Forward side M851 CN651 R604 IC291 C658 CN601 Q631 C821 R632 C606 C605 R603 R805 R291 R292 R293 R809 C812 R801 C802 C611 C801 R804 C608 R803 R257 C657 R617 C612 R652 C679 R653 R272...
Page 105 UX-A52R Tuner board 2-10...
Page 106 UX-A52R Traverse mechanism board (Forward side) (Reverse side) S602 CN601 (Traverse mechanism board) Cassette switch board 2-11...
Page 107 UX-A52R PARTS LIST [ UX-A52R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix B ------------------------------- U.K. E ----------- Continental Europe EN ------------ Northern Europe - Contents - 3- 3 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Cassette mechanism assembly and parts list (Block No.MP)
Page 108 UX-A52R < M E M O >...
Page 109 UX-A52R Exploded view of general assembly and parts list Block No. K1901 12 117...
Page 110 UX-A52R UX-A52R 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 GV10076-016A FRONT PANEL QYSBST3006Z T.SCREW 1 TUNER PWB+ BTTM...
Page 111 UX-A52R Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area --------------- TUNER ASSY 1 TUNER MODULE QMF51W2-R63-J8 FUSE 1 F1001 QMF51W2-1R6-J8 FUSE 1 F1003 QMF51W2-5R0-J8 FUSE 1 F1004 GV20216-001A GEAR HOLDER A GV20217-001A GEAR HOLDER B...
Page 112: Cassette Mechanism Assembly And Parts List (Block No.mp)
UX-A52R Cassette mechanism assembly and parts list Block No. Grease EM-60L FL-721 Caccette mecha Loading mecha...
Page 113 UX-A52R Parts list (Cassette mechanism) Block No. MPMM Item Parts number Parts name Q'ty Description Area BDL1141-001M C MECHA UNIT F513-884 HEAD BLOCK FF19Y MAIN BELT UJ16F-11 WASHER F522-064 FLYWHEEL FR26K FLYWHEEL F514-129 PINCH ROLLER F514-130 PINCH ROLLER KG194-28 TT.SCREW 1 2.6X4...
Page 114: Cd Mechanism Assembly And Parts List (Block No.mb)
UX-A52R CD mechanism assembly and parts list Block No. FMU-N1H-2M BACK SIDE Grease UD-24H2 EM-30L LEN-320M CD servo board BACK SIDE...
Page 115 UX-A52R Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area L.BASE ASSY LV32649-005A LV32651-002A CH.BASE ASSY QAR0176-001 FEED MOTOR VKZ4743-001 SPECIAL SCREW MOTOR GEAR LV42229-001A OPTIMA-725B1 CD PICK UP LV20993-002A RACK PLATE MINI SCREW QYSPSGT1735M C.D SHAFT...
Page 116 UX-A52R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BZ201 QAN0045-001 BUZZER SOUNDER C1707 QENC1HM-106Z NP E CAPACITOR 10MF 20% 50V CN801 QGB2510K2-12 CONNECTOR C1709 QCBB1HK-103Y...
Page 117: Electrical Parts List (Block No.01~04)
UX-A52R Electrical parts list (Main board) Block No. 01 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area Q1004 KTC3199/GL/-T TRANSISTOR R1901 QRE141J-912Y C RESISTOR 9.1K 5% 1/4W Q1023 KRA101M-T TRANSISTOR R1902 QRE141J-122Y C RESISTOR 1.2K 5% 1/4W...
Page 118 UX-A52R Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN701 QGF1205C1-13 CONNECTOR TO TUNER C2600 NCB31CK-823X C CAPACITOR CN704 QGF1016C1-19 CONNECTOR TO CD MECHA C2601 NCB31CK-823X...
Page 119 UX-A52R Block No. 02 Electrical parts list (Front board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C3314 QCFB1HZ-105Y C CAPACITOR 1.0MF +80:-20% Q2705 KTC3875/GR/-X TRANSISTOR BACKUP CONT C3316 QFG32AJ-223Z PP CAPACITOR TANK Q2706...
Page 120 UX-A52R Electrical parts list (Front board) Block No. 02 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R2051 NRSA63J-222X MG RESISTOR R2227 QRE141J-182Y C RESISTOR 1.8K 5% 1/4W R2052 NRSA63J-222X MG RESISTOR R2228 QRE141J-472Y C RESISTOR 4.7K 5% 1/4W...
Page 121 UX-A52R Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R2750 NRSA63J-221X MG RESISTOR R3372 NRSA63J-102X MG RESISTOR R2751 NRSA63J-221X MG RESISTOR R3375 NRSA02J-151X MG RESISTOR 1/8W...
Page 122 UX-A52R Block No. 03 Electrical parts list (Tuner board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB21HK-223X C CAPACITOR CF 1 QAX0420-001 C FILTER NCB21HK-103X C CAPACITOR CF 2 QAX0458-001Z C FILTER EETC1CM-106ZJC...
Page 123 UX-A52R Block No. 03 Electrical parts list (Tuner board) Item Parts number Parts name Remarks Area TU 1 QAU0160-001 FRONT END QAX0402-001 CRYSTAL X 70 QAX0263-001Z CRYSTAL 3-17...
Page 124 UX-A52R Electrical parts list (CD servo board) Block No. 04 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 254 QERF1AM-476Z E CAPACITOR 47MF 20% 10V C 862 NCB31HK-102X C CAPACITOR C 255 NCB31CK-104X...
Page 125 UX-A52R Block No. 04 Electrical parts list (CD servo board) Item Parts number Parts name Remarks Area R 634 NRSA63J-3R9X MG RESISTOR R 635 NRSA63J-100X MG RESISTOR R 636 NRSA63J-151X MG RESISTOR R 651 NRSA63J-102X MG RESISTOR R 652 NRSA63J-102X...
Page 126: Packing Materials And Accessories Parts List (Block No.m3,M5)
UX-A52R Packing materials and accessories parts list Block No. Block No. A1 A8 3-20...
Page 127: Parts List
UX-A52R Parts list (Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area POLY BAG 1 FOR INST QPC02503515P GV20154-001A CARTON ASSY 1 MASTER PACKING GV10087-001A CUSHION(TOP) GV10088-001A CUSHION(BOTTOM) POLY BAG 1 FOR SET QPC05005015P 700-120070-10 POLY BAG...

JVC UX-A52R Service Manual

Service Manual

Table of Contents

Parts List

Quick Links

Chapters

Related Manuals for JVC UX-A52R

Summary of Contents for JVC UX-A52R

Table of Contents