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JVC UX-P30 Series Service Manual

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SERVICE MANUAL
MICRO COMPONENT SYSTEM
2003
11
MB049
ST ANDBY/ON
DISPLA Y
SLEEP
AUX
PROG
RANDOM
REPEA T
SOUND
AUTO
FM/AM
MODE
PRESET
FM MODE
T APE
CD
CD
CANCEL
MUL TI KEY
SET
DISPLA Y
PTY
MODE
/EON
AHB
VOLUME
RM-SUXP3R REMOTE CONTROL
1
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
UX-P30
STANDBY
CLOCK
PHONES
SP-UXP30
CA-UXP30

TABLE OF CONTENTS

C D - R / R W P L A Y B A C K
M I C R O
C O M P O N E N T
S Y S T E M
U X - P 3 0
SOUND
AHB PRO
+
Ð
CD
TAPE
AUX
FM/AM
/
TIMER
REV.MODE
REC
SP-UXP30
Area Suffix
B --------------------------- U.K.
E ------- Continental Europe
EN --------- Northern Europe

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Summary of Contents for JVC UX-P30 Series

  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB049 2003 UX-P30 C D - R / R W P L A Y B A C K M I C R O C O M P O N E N T S Y S T E M U X - P 3 0 SOUND AHB PRO...
  • Page 2 SPECIFICATION 44 W (22 W + 22 W) at 4 Ω (MAX.) Amplifier Output Power 40 W (20 W + 20 W) at 4 Ω (10 % THD) Audio input sensitivity/Impedance (at 1 kHz) AUX : 400 mV/48 kΩ 4 Ω - 16 Ω Speakers/Impedance Tuner FM tuning range...

  • Page 3: Precautions

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.
  • Page 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. 1.6.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
  • Page 6 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. procedures other than those specified herein may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB049)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the metal cover (See Fig.1 and 2) (1) Remove the six screws A on the back of the body. Metal cover (2) Remove the two screws B on the side of the body. (3) Pull both sides of the metal cover outward and lift the rear part of the cover.
  • Page 9 3.1.3 Removing the tuner board (See Fig.4 and 5) • Prior to performing the following procedure, remove the metal cover. Tuner board (1) Disconnect the card wire from connector on the tuner board. (2) Remove the screw D on the right side of the body. (3) Remove the two screws E on the rear panel.
  • Page 10 3.1.4 Removing the CD mechanism assembly (See Fig.6 to 8) • Prior to performing the following procedure, remove the metal Rear panel Tuner board cover and the rear cover. (1) Disconnect the card wires from connector CN903, CN904 on the main board on the upper side of the body. (2) Remove the screw D attaching the tuner board and the CD mechanism on the right side of the body.
  • Page 11 3.1.5 Remove the rear panel (See Fig.8 to 10) • Prior to performing the following procedure, remove the metal cover, rear cover and the CD mechanism assembly. (1) Remove the five screws G attaching the rear panel. (2) Disconnect the card wire from CN902 on the main board.
  • Page 12 3.1.6 Removing the main board / heat sink (See Fig.11 to 13) • Prior to performing the following procedure, remove the metal CN931 cover, the rear cover, the CD mechanism assembly and the rear panel. CN901 (1) Disconnect the card wire from connector CN900, CN901 CN900 CN931...
  • Page 13 3.1.7 Removing the power transformer assembly (See Fig.14 and 15) • Prior to performing the following procedure, remove the metal J1000 cover, the rear cover, the CD mechanism assembly and the rear panel. (1) Remove the cord stopper upwards on the back of the body. (2) Disconnect the power cord from connector J1000 on the...
  • Page 14 3.1.8 Removing the front panel assembly (See Fig.11, 16 and 17) • Prior to performing the following procedure, remove the metal Front panel assembly cover, the rear cover, the CD mechanism assembly and the rear panel. Main board (1) Disconnect the card wire from connector CN900, CN901 CN931 on the main board (Refer to Fig.11).
  • Page 15 3.1.9 Removing the display board / switch board (See Fig.18 to 20) • Prior to performing the following procedure, remove the front Display board panel assembly. (1) Pull out the VOLUME knob on the front panel. (2) Remove the six screws M attaching the switch board. Then, open the switch board in the direction of arrow, and remove the operation button.
  • Page 16 3.1.10 Removing the cassette mechanism assembly (See Fig.21 and 22) • Prior to performing the following procedure, remove the front Display board panel assembly. Switch board (1) Press the EJCT button on the front panel to open the cassette door. (2) Remove the four screws R on the back of the front panel.
  • Page 17 Cassette mechanism assembly 3.2.1 Removing the Play/Record & Clear head Cassette mechanism assembly Fly wheelR (See Fig.1~3) (1) While moving the trigger arm on the right side of the head mount in the direction of the arrow, turn the flywheel R counterclockwise until the head mount comes ahead and clicks.
  • Page 18 3.2.2 Removing the head amplifier & mechanism control board (See Fig.4) (1) Turn over the cassette mechanism assembly and remove Main motor assembly the three screws A attaching the head amplifier & mecha- nism control board. Capstan belt (2) Disconnect the flexible wire from connector CN31 on the head amplifier &...
  • Page 19 3.2.4 Removing the flywheel (See Fig.8, 9) • Prior to performing the following procedure, remove the head amplifier & mechanism control board and the main motor as- sembly. (1) From the front side of the cassette mechanism, remove the slit washers attaching the capstan shaft L and R. Pull out the flywheels backward.
  • Page 20 3.2.6 Reattaching the Play/ Record & Clear head (See Fig.11~13) (1) Reattaching the head mount assembly. a) Change front of the direction cover of the head mount assembly to the left (Turn the head forward). b) Fit the bosses O', P', Q', U' and V' on the head mount assembly to the holes P and V, the slots O, U and Q of the mechanism sub assembly (See Fig.11 to 13).

  • Page 21: Adjustment

    SECTION 4 ADJUSTMENT Measurement Instruments Required for Adjustment (1) Low frequency oscillator 4.2.2 Tuner section This oscillator should have a capacity to output 0dBs to B/E/EN version 600Ω at an oscillation frequency of 50Hz-20kHz. FM Band cover : 87.5~108MHz (2) Attenuator impedance : 600Ω MW Band cover : 522~1,629kHz (3) Electronic voltmeter LW Band cover : 144~288kHz...
  • Page 22 Cassette mechanism adjustment Head azinuth Head azinuth adjustment screw adjustment screw (Forward side) (Reverse side) CN31 Head azinuth Head azinuth R/P head, Erase head adjustment screw adjustment screw (Forward side) (Reverse side) Mecha control board B102 R371 C376 Q375 CN32 R375 CN34 B152...
  • Page 23 4.3.1 Mechanism section Adjustment Item Condition Measurement method Ref. value position Head azimuth Test tape (1) Playback the test tape VT703L (8kHz). Maximum output Only adjust :VT703L (8kHz) (2) Adjust to maximum output level by azi- at changed Output terminal muth adjustment screw for forward side head :Speaker out...
  • Page 24 4.3.2 Electrical adjustment Adjustment Item Condition Measurement method Ref. value position Recording BIAS • Forward or Reverse (1) Set the test tape(AC-514 TYPE ll and AC-225 VR31 adjustment • Test tape AC-225 TYPE l), then make REC/ : 4.20µA : AC-514 TYPE ll PAUSE condition.

  • Page 25: Troubleshooting

    SECTION 5 TROUBLESHOOTING Flow of functional operation untill TOC read (CD) Check Point Slider turns REST Power Key Power ON Check that the voltage at the pin 5 SW ON. of CN801 is 0V? Automatic tuning of TE offset Check that the voltage at the Laser ON pin2 of IC601 is 4.4V? Detection of disc...
  • Page 26 Maintenance of laser pickup (CD) Replacement of laser pickup (CD) (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn off the power switch and, disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet.
  • Page 27 (No.MB049)1-27...
  • Page 28 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB049) Printed in Japan...
  • Page 29 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-P30 CD-ROM No.SML200311 C D - R / R W P L A Y B A C K M I C R O C O M P O N E N T S Y S T E M U X - P 3 0 SO UN D AHB PRO...
  • Page 30 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.)
  • Page 31 Block diagram PICK UP CN601 S7301~S7311, S7316 A+C, B+D, E, F SUBQ, SQCK, SLK, STAT SUBQ, SQCK KEYO XRST, MCLK, MDATA, MLD SLK, STAT KEY 0 27~32 FEED IC601 XRST, MCLK KEY1 S7312~S7315 MOTOR MDATA, MLD RF & SERVO 17~20 KEY 1 IC801 SPINDLE...
  • Page 32 Standard schematic diagrams Power supply section A.GND A.GND A.GND T1000 T1000 T1000 QQT0284-002 QQT0284-002 QQT0284-002 J1000 J1000 J1000 QGA7901C1-2 QGA7901C1-2 QGA7901C1-2 L1000 L1000 L1000 QQR1145-001 QQR1145-001 QQR1145-001 A.GND T1000 QQT0284-003 S1000 QSW0812-001 J1000 QGA7901C1-2 L1000 QQR1145-001 Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 33 DC regulator / Audio output / External input / Souce selector switch section CN907 QGD2504C1-04Z C2119 0.27 CN907 IC905 QGD2504C1-04Z LA4628 C2117 C2119 0.27 L2200 220K R2147 QQR0797-001 0.012 LA4628 22/16 C2126 C2215 22/16 C2133 IC901 C2117 R2125 0.0033 C2215 IC905 LC75345M- 10/35...
  • Page 34 LCD control / Main micon section CN904 CN903 QGF1205F1-16 QGF1205F1-13 DI934 REST/OP_SW/CL_SW QLD0160-001 Q7031 2SD601A/RS/-X JS731 QSW0917-001 SEG32 SEG31 RECR R7341 SEG30 RECL 130K SEG29 R7342 SEG28 R7218 SEG27 C7341 R7217 SEG26 IC934 TAPE1 100/10 SEG25 R7215 LCDCE TAPE0 NJU6433FG1 SEG24 R7064 R7065...
  • Page 35 CD servo control section R601 270K TBAL R602 680K FBAL GCTRL 0.022 C604 0.022 C603 R604 270K C606 R643 0.047 C641 STAT C601 560K R642 VDET SQCK C602 0.0022 LDON SUBQ C633 C653 MCLK 0.022 0.1/16 150P 150P 150P C670 MDATA C671 C654...
  • Page 36 MSI-5U2LWA R371 R108 RECL R106 R302 R110 2.2K CN42 Q342 QGF1205F1-09 C104 VR37 KRA111M-T C102 QVP0077-103Z 0.01 220p R306 Q343 2SC3576-JVC-T 4.7K R336 Q344 R344 C340 2SC3576-JVC-T 47/50V CN32 4.7K QGF1205F1-09 R339 C341 Q345 100K R345 1/50V C304 2SC3576-JVC-T 10/16V R304 4.7K...
  • Page 37 Tuner section QAU0160-001 0.0039 0.47/50 0.0022 0.047 22/16 0.27 470P 1/50 0.047 22/16 0.001 10/16 10/16 1SS133-T2 100/10 1000P 1SS133-T2 0.0018 0.0018 3.3K QAX0420-001 LC72136N 1SS133-T2 LA1838 1SS133-T2 QNB0014-001 QAX0458-001Z 5.6K DTA114YKA-X 150P QQR0793-001 150P 150P 1/50 0.022 QQR0796-002 0.047 QAX0610-001Z LC72723 100/10...
  • Page 38 Printec circuit boards C669 D831 Main board Q7061 C7062 C679 R7122 IC802 CN905 R2104 B681 B661 B657 B682 B683 C831 B703 B658 B748 C2511 CN903 CN902 D7071 C2109 R7218 CN904 C2107 B693 C2005 B724 B765 R7217 C2111 B692 B706 C7063 R7146 C2112 B691...
  • Page 39 R5000 D1003 D1002 K5020 L5031 W5000 K5021 L5032 C1002 C1003 R5001 C1001 C1000 Headphone board L5034 J5000 D1001 D1000 Trans board Z1004 Z1005 S7305 Z1001 Z1000 S7304 R1000 EP940 S7302 R7309 R7302 S7310 S7311 S7316 S7303 R7310 R7316 R7301 Sub switch board JS731 S7307 S7308...
  • Page 40 Cassette control board VR37 R371 FW100 Tuner board CN33 C374 PP300 R310 CN34 R105 R313 CN32 R342 C105 C107 C205 Q302 Q375 R372 C310 Q376 R205 Q372 R338 C314 C371 C313 R376 R375 R337 R335 L301 R305 C331 R353 C300 C304 R327 R204...
  • Page 41 < M E M O >...
  • Page 42 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB049SCH)
  • Page 43 PARTS LIST [ UX-P30 ] * 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- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Speaker assembly and parts list (Block No.M2) 3- 6...
  • Page 44 Exploded view of general assmbly and parts list Block No. Main Main board board CD servo board...
  • Page 45 Tuner board Power suplly board...
  • Page 46 FRONT PANEL P30E GV40167-001A H.SINK BRACKET P30E GV10151-001A FRONT PANEL GV30168-001A IC BRACKET QYSBST4006Z SCREW 4mm x 6mm(x4) GV40077-002A JVC BADGE QYSSST3008Z SCREW 3mm x 8mm(x2) P30B, GV30477-003A FRONT LENS P30E QYSBSF3012Z TAP SCREW 3mm x 12mm  55 P30E...
  • Page 47 Speaker assembly and parts list Block No. Speaker assembly Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local ASW803225-0001 CLOTH FRAME ASS (x2) FSB810530-0401 WOOFER (x2) NSP845051-4162 SCREW (x8) YLB806001-0541 SPEC LABEL (x2)
  • Page 48 CD loading base assembly and parts list Block No. LOAD-JEM-2M Grease = G-474C = EBS0006-009B FIG A Apply grease to groove and support convex. FIG A Dimension gap for motor pulley...
  • Page 49 CD loading base Block No. [M]D][M][M]  Symbol No. Part No. Part Name Description Local VYH1238-001 LOADING BASE MMN-6F1LB8K MOTOR QGF1201F3-05 CONNECTOR FFC/FPC (1-5) QSW0472-001 SWITCH QYSPSPT2640Z SCREW 2.6mm x 4mm(x2) E75984-221SS MOTOR PULLEY E75950-002 C.D BELT E75985-221SS C.D GEAR (1) E75986-221SS C.D GEAR (2) E75987-221SS...
  • Page 50 Cassete mechanism assembly and parts list Block No. SLC-S302M Grease = EM-30L =UD-24 =LEN-320M =MOBIL-1 The lower side Switch board Head amplifier board...
  • Page 51 Cassete mechanism Block No. [M]P][M][M]  Symbol No. Part No. Part Name Description Local VKS1165-00N CHASSIS B. ASSY VKS2274-002 REEL GEAR (x2) VKW5286-002 B.T. SPRING (x2) VKS5559-001 PLAY IDLE GEAR VKS5595-002 BLIND VKS5560-003 FR IDLE GEAR LV42013-001A EARTH SPRING SLC-RP4SVM HEAD MOUNT ASSY VKY3149-002 CASSETTE SP.
  • Page 52 Electrical parts list Front board  Symbol No. Part No. Part Name Description Local Block No. [0][1][0][0] S7303 QSW0825-001Z TACT SW  Symbol No. Part No. Part Name Description Local S7304 QSW0825-001Z TACT SW S7305 QSW0825-001Z TACT SW S7306 QSW0825-001Z TACT SW IC933 GP1UM261XK...
  • Page 53  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C2010 QEKC1HM-475Z E CAPACITOR 4.7uF 50V M C7005 QDYB1CM-103Y C CAPACITOR 0.01uF 16V M C2011 QFLC1HJ-272Z M CAPACITOR 2700pF 50V J C7006 QCSB1HJ-180Y C CAPACITOR 18pF 50V J...
  • Page 54  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R2222 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J R7162 QRE141J-103Y C RESISTOR 10kΩ 1/4W J R2224 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J R7201 QRE141J-104Y C RESISTOR 100kΩ...
  • Page 55  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local P30E, R617 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J C612 QERF1HM-105Z E CAPACITOR 1uF 50V M P30E R631 NRSA63J-2R2X MG RESISTOR 2.2Ω 1/16W J R632 NRSA63J-100X MG RESISTOR...
  • Page 56  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 1SS133-T2 DIODE NRSA02J-562X MG RESISTOR 5.6kΩ 1/10W J NRSA02J-472X MG RESISTOR 4.7kΩ 1/10W J NCB21HK-223X C CAPACITOR 0.022uF 50V K NRSA02J-182X MG RESISTOR 1.8kΩ...
  • Page 57 Description Local Part No. Part Name Description Local Q342 KRA111M-T DIGI TRANSISTOR R301 QRE141J-221Y C RESISTOR 220Ω 1/4W J Q343 2SC3576-JVC-T TRANSISTOR R302 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J Q344 2SC3576-JVC-T TRANSISTOR R303 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J R304...
  • Page 58 Packing materials and accessories parts list Block No. A1 A2 A3 A4 A5 A6 A7 3-16...
  • Page 59 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local QAL0014-001 AM LOOP ANT QAL0457-001 ANT.WIRE GVT0115-008B INST BOOK P30B GVT0115-006B INST.BOOK GER FRA DUT P30E SWE FIN DAN P30E GVT0115-007A INST.BOOK GER FRE SPA ITA P30B, BT-54013-5 WARRANTY CARD...

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