JVC PC-X290 Service Manual
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JVC PC-X290 Service Manual

JVC PC-X290 Service Manual

Cd portable component system
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SERVICE MANUAL
CD PORTABLE COMPONENT SYSTEM
4
2004
MB201
SP-PCX290
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
PC-X290
SERVICE POLICY
No service part is available for this model.
Exchange only.
CD PORTABLE COMPONENT SYSTEM
PHONES
TAPE
A
REC
PLAY
REC
PLAY
REW
TABLE OF CONTENTS
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
VOLUME
-
STANDBY/ON
+
FM MODE
SENSOR
STANDBY
TUNER/
CD/
AUX
RANDOM
BAND
B
PLAY
CD SYNCHRO RECORDING
AUTO STOP SYSTEM
FF
STOP/EJECT
PAUSE
PLAY
REW
FF
STOP/EJECT
PAUSE
CA-PCX290
SP-PCX290
Area suffix
J ---------------------------- U.S.A.
C ------------------------- Canada
CD/
TAPE
TUNER/
RANDOM
BAND
No.MB201
2004/4

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  • Page 1 SERVICE MANUAL CD PORTABLE COMPONENT SYSTEM MB201 2004 PC-X290 SERVICE POLICY No service part is available for this model. Exchange only. VOLUME CD PORTABLE COMPONENT SYSTEM STANDBY/ON FM MODE SENSOR STANDBY TAPE TUNER/ RANDOM BAND PHONES TUNER/ TAPE RANDOM BAND...
  • Page 2 SPECIFICATION 5 W per channel, min. RMS, driven into 3.2 Ω at 1 kHz with no more than Amplifier Output Power 10% total harmonic distortion. Audio input sensitivity/Impedance (at 1 kHz) AUX:1 000 mV/47 kΩ 3.2 Ω - 8 Ω Speakers/Impedance Tuner FM tuning range...
  • Page 3 SECTION 1 PRECAUTION This service manual does not describe PRECAUTION. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY. SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING.
  • Page 4 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB201) Printed in Japan...

  • Page 5: Table Of Contents

    PC-X290 SERVICE MANUAL CD PORTABLE COMPONENT SYSTEM PC-X290 HYPER-B ASS HYPER-B ASS SOUND SOUND Areas Suffix J..........USA C ...........Canada Contents Page Safety precautions..........2 Exploded view ..........35 Block diagram ........... 3 Mechanical parts list.........37 Disassembly instructions ........4 Electrolytic parts list .........40 Troubleshooting ..........

  • Page 6: Safety Precautions

    PC-X290 30/MAR/200 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. Replacement parts must be identical to those used in the original circuits.

  • Page 7: Block Diagram

    PC-X290 30/MAR/2004 BLOCK DIAGRAM...

  • Page 8: Disassembly Instructions

    PC-X290 30/MAR/2004 DISASSEMBLY INSTRUCTIONS SPEAKER IMPEDANCE MIN 3.2 ANT. BEAT CUT RESET SCREW AUX IN AC IN DO NOT USE THIS UNIT IN DIRECT SUNLIGHT OR LEAVE THE UNIT This Class B digital apparatus IN CLOSED AUT OMOBILES complies with Canadian (OR YACHTS, ETC.)

  • Page 9: Troubleshooting

    PC-X290 30/MAR/2004 TROUBLESHOOTING Circuit Symptom Cause and Remedy • General No sound Speakers are not connected: Check the speaker connection. • Wrong function is selected: Set switch to the proper position. • Defective volume control: Set the volume control to a proper sound level.
  • Page 10 PC-X290 Circuit Symptom Cause and Remedy • Cannot read the table of A non-standard disc has been inserted: content. Use only a brand name disc. • no sound Moisture has formed inside the CD deck: Wait about 20 to 30 minutes.

  • Page 11: Main Adjustment

    PC-X290 30/MAR/2004 Main Adjustments g g g g Measuring instructions required for adjustment • Amplifier section ◊ Reference output: 1. AM Signal generator Speaker output 0 dB (2 V)/ 3.2 ohm 2. FM Signal generator H. Phone output – 10 dB (0.245V)/32 ohm 3.
  • Page 12 PC-X290 Cassette Amplifier Section Item Measuring Condition Check and adjustment procedure Standard value Adjusting part • Test tape: • Output level: Head azimuth 1. Play back the test MTT113CN (8 kHz). Head azimuth • Within ±2 dB of adjustment MTT113CN (8 kHz) 2.
  • Page 13 PC-X290 Tuner Section Item Measuring Check and adjustment procedure Standard value Adjusting part Condition • T101 AM IF Signal input: 1. Set the intermediate frequency sweep generator to adjustment Loop ANTENNA AM 450 kHz. See Fig 3-2 Signal output: 2. Adjust the T101 for maximum and center output IC101 PIN (16) 1.Set the TUNER at 530 KHz adjust L104 until the...
  • Page 14 PC-X290 Location of adjusting parts Cassette mechanism section Figure 3-1 Head Output Signal • Main board assembly TC10 2 L1 04 L102 IC101 L1 01 T101 R20 1 R20 2 Figure 3-2...

  • Page 15: Wiring Connections

    PC-X290 WIRING CONNECTIONS...
  • Page 16 PC-X290 JVC ASIA PTE., LTD. 101 Thomson Road, 28-04 United Square Singapore 307591. (No. Printed in Japan 0001 (V)

  • Page 17: Printed Circuit Boards

    PCX290 31/MAR/2004 Printed circuit boards Main board Top view...
  • Page 18 PCX290 Main board Top view...
  • Page 19 PCX290 Main board Top view...
  • Page 20 PCX290 Main board Bottom view...
  • Page 21 PCX290 Main board Bottom view...
  • Page 22 PCX290 Main board Bottom view...
  • Page 23 PCX290 board Display&Key Top View...
  • Page 24 PCX290 Display & Key Board Top View...
  • Page 25 PCX290 Display & Key Board Top View...
  • Page 26 PCX290 board Display & Key Bottom View...
  • Page 27 PCX290 board Display & Key Bottom View...
  • Page 28 PCX290 Display & Key board Bottom View...
  • Page 29 PCX290 Power board Bottom View Top View Bottom View Top View Top View Bottom View...
  • Page 30 PCX290 Light Board Bottom View Top View Bottom View Top View Top View Bottom View...
  • Page 31 PCX290 Cass Deck board Bottom View Top View Bottom View Top View Top View Bottom View...
  • Page 32 PCX290 HeadPhone Board Bottom View Top View Bottom View Top View Top View Bottom View...
  • Page 33 PCX290 Remote board Top View Top View Top View...
  • Page 34 PCX290 Remote Board Bottom View Bottom View Bottom View...
  • Page 35 SERVICE MANUAL CD PORTABLE COMPONENT SYSTEM MB200 2004 PC-X290 SERVICE POLICY No service part is available for this model. Exchange only. VOLUME CD PORTABLE COMPONENT SYSTEM STANDBY/ON FM MODE SENSOR STANDBY TUNER/ TAPE RANDOM BAND PHONES TUNER/ TAPE RANDOM BAND...
  • Page 36 SPECIFICATION 5 W + 5 W at 3.2 Ω (10% THD) Amplifier section-CA-PCX290 Output Power Audio input sensitivity/Impedance (at 1 kHz) AUX: 1 000 mV/47 kΩ 3.2 Ω - 8 Ω Speakers/Impedance Tuner FM tuning range 87.5 MHz - 108.0 MHz AM tuning range 522 kHz - 1 629 kHz CD player...

  • Page 37: Precaution

    SECTION 1 PRECAUTION This service manual does not describe PRECAUTION. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB200)1-3...

  • Page 38: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the front cabinet section and rear cabinet section (See Fig.1 to 6) (1) Remove the five screws A and the five screws B on the back of the body. (2) Remove the screw D on each side of the body. (3) Move the rear cabinet backward, and disconnect the an- tenna wire from the antenna terminal on the inside of the rear cabinet.
  • Page 39 Front cabinet section • Prior to performing the following procedure, remove the front cabinet section and rear cabinet section. 3.2.1 Removing the CD assembly section (See Fig.7 to 11) Front cabinet section (1) Disconnect the wires from connector CN201, CN202 CD assembly section CN203 on the main board.
  • Page 40 3.2.2 Removing the LED board / main board (See Fig.2 to 16) • Prior to performing the following procedure, remove the CD as- CD assembly sectionav sembly section. Caution: Make sure to solder the short-circuit point on the CD servo board before disconnecting the card wire from connector on the main board and from the CD servo board.
  • Page 41 Main board CN301a LED board Wire Door switch Card wire Fig.16 CN302 CD assembly Short-circuit point Fig.14 CD servo board Short-circuit point Unsolder Fig.15 (No.MB200)1-7...
  • Page 42 3.2.3 Removing the CD mechanism assembly (See Fig.17) • Prior to performing the following procedure, remove the LED board/main board. Wire clamp (1) Disconnect the wire from the wire clamp. (2) Remove the four screws K attaching the CD mechanism assembly.
  • Page 43 3.2.4 Removing the headphone board/ switch board (See Fig.18 to 21) • Prior to performing the following procedure, remove the CD as- Switch board sembly section. (1) Pull out the volume knob on the front side. (2) Remove the screw L attaching the bracket board on the headphone board.
  • Page 44 3.2.5 Removing the cassette mechanism assembly (See Fig.22 to24) (1) Push the two eject button on the front side to open the cas- Cassette door sette door. (2) Disconnect the wire from connector CN201, CN202 CN203 on the main board. (3) Remove the six screws N attaching the cassette mecha- nism assembly.
  • Page 45 Rear cabinet section • Prior to performing the following procedure, remove the front cabinet section and rear cabinet section. 3.3.1 Removing the fuse board / A/C jack / power transformer assembly (See Fig.25 to 27) • Prior to performing the following procedure, remove the front cabinet section and rear cabinet section.

  • Page 46: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-12 (No.MB200)

  • Page 47: Troubleshooting

    SECTION 5 TROUBLESHOOTING Block diagram Tuner Back TA2149 TC9257 Display Light Source Selector TC9422 Key Board MCU/CD Remote Remote TC94A09 AUX IN Control sensor Main For Tuner CD Pick CD RF AMP Voltage TA2153FN Regulator For Tape CD Servo TA2092 Power AMP Phone TA8229PK...

  • Page 48: Schematic Diagrams

    Standard schematic diagrams 5.2.1 Main section 1-14 (No.MB200)
  • Page 49 (No.MB200)1-15...
  • Page 50 Main CPU and CD servo section 1-16 (No.MB200)
  • Page 51 (No.MB200)1-17...
  • Page 52 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB200) Printed in Japan...

  • Page 53: Schematic Diagrams

    PCX290 30/MAR/2004 Schematic diagrams Main circuit...
  • Page 54 PCX290 Main circuit...
  • Page 55 PCX290 Main circuit...
  • Page 56 PCX290 circuit...
  • Page 57 PCX290 Remote circuit...
  • Page 58 Exploded view of general assembly...

  • Page 59: Exploded View Parts List

    BKT. (ABS) 11-00290-02 PC-X290 Key PCB 94HB 1.6mm 52-00290-01 LE030401 X290 Power & FM Knob Power & FM (ABS) 91-00290-00 Lead Free PC-X290 LCD display 43-00290-10 LE030401 X290 LCD Filter 11-00290-07 PC-X290 Light PCB 94HB 1.6mm 02-30005-84 Lead Free LED Q3 Amber...
  • Page 60 Parts Number Parts name QTY Remarks Ref. No. Suffix 36-00290-02 LE030401 X290 CD Door New Spring 11-00290-17 PC-X290 CD Gear PCB 94HB 1.6mm 63-00303-81 LE030401 E303 Damper Gear B30B (1x CD Door) 78-00612-00 Terminal 212A 48-07930-80 LE030401 PU Cover TCP-110P (Thomson CD)
  • Page 61 LE030401 X290 (J/C) Remote PC Inlay 30Keys 60-01282-08 LE030401 X290 Remote Top Cabinet (ABS) 81-05000-03 LE030401 X290 Remote Rubber Pad (30Keys) 11-00290-08 PC-X290 Remote PCB 94HB 1.6mm 61-01282-04 LE030401 X290 Remote Bottom Cabinet (ABS) 58-01282-04 LE030401 X290 Remote Battery Door (ABS) 36-05000-82...
  • Page 62 PC-X290 30/Mar/2004 Electrical partds list ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 31-60120-89 #26UL-1007 Lead Free Wire 3/120/3 White A-Deck SW to Deck PCB A 31-60140-82 #26UL-1007 Lead Free Wire 3/140/3 Red A-Deck SW to Deck PCB B...
  • Page 63 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 05-77102-10 Axial C Capacitor Lead Free 1000pF ±10% 52mm T.T. C209 05-77102-10 Axial C Capacitor Lead Free 1000pF ±10% 52mm T.T. C210 05-77102-10 Axial C Capacitor Lead Free 1000pF ±10% 52mm T.T.
  • Page 64 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 05-77104-82 Axial C Capacitor C335 Lead Free 0.1µF +80-20% 52mm T.T. 05-77103-20 Axial C Capacitor C336 Lead Free 0.01µF ±20% 52mm T.T. 05-77104-82 Axial C Capacitor Lead Free 0.1µF +80-20% 52mm T.T.
  • Page 65 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 06-71227-20 E Capacitor C438 Lead Free 220µF 16V ±20% (6.3x11) T.T. 06-72477-20T E Capacitor C439 Lead Free 470µF 25V ±20% (8x16) T.T. 05-77104-82 Axial C Capacitor C440 Lead Free 0.1µF +80-20% 52mm T.T.
  • Page 66 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 32-65080-80 #26UL-1365 Lead Free 2Pin 80mm Black FM Osc/Gnd to FM Osc1/Gnd1 78-00612-00 Terminal 212A For CD Mech Wire 28-03028-01 PVC Tube For CD Mech Wire "UL"...
  • Page 67 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 2SC945-P Transistor Lead Free 01-00945-80 T.T. Q220 2SA733PNP Transistor Lead Free 01-00733-80 T.T. Q301 8550D Transistor Lead Free 01-08550-81 T.T. Q302 2SC945-P Transistor Lead Free 01-00945-80 T.T.
  • Page 68 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 07-74680-50T Carbon Resistor Lead Free 68 1/8W ±5% 52mm T.T R207 07-74223-50T Carbon Resistor Lead Free 22K 1/8W ±5% 52mm T.T R208 07-74047-50T Carbon Resistor Lead Free 4.7 1/8W ±5% 52mm T.T...
  • Page 69 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 07-74103-50T Carbon Resistor Lead Free 10K 1/8W ±5% 52mm T.T R312 07-74104-50T Carbon Resistor Lead Free 100K 1/8W ±5% 52mm T.T R313 07-74222-50T Carbon Resistor Lead Free 2.2K 1/8W ±5% 52mm T.T...
  • Page 70 PC-X290 ¦ Electrical parts list (Main board) Parts Number Parts name Remarks Ref. No. Suffix 07-74472-50T Carbon Resistor Lead Free 4.7K 1/8W ±5% 52mm T.T R418 07-74333-50T Carbon Resistor Lead Free 33K 1/8W ±5% 52mm T.T R419 07-74333-50T Carbon Resistor Lead Free 33K 1/8W ±5% 52mm T.T...
  • Page 71 R453 07-74151-50T Carbon Resistor Lead Free 150 1/8W ±5% 52mm T.T. R454 07-74047-10T Carbon Resistor Lead Free 4.7 1/2W ±5% 52mm T.T. R501 15-00290-00 PC-X290 X'Former LE030401 T06821A 120V (UL) T501 28-07130-01 PVC Tube "UL" IDφ=7.3mm L=130mm 28-07170-01 PVC Tube "UL"...
  • Page 72 Lead Free 02-30022-82 φ3mm (Elstar) ELT-3142D D605 08-04344-50 Ferrite Core T25 x 15 x 10 For CN601 Wire 91-00290-00 LCD Display Lead Free PC-X290 LCD Display LCD601 11-00290-01 PC-X290 Display PCB 94HB 1.6mm 11-00290-02 PC-X290 Key PCB W/07/10/13/17 94HB 1.6mm 07-74152-50T Carbon Resistor Lead Free 1.5K 1/8W ±5% 52mm T.T.
  • Page 73 PCX290 30/MAR/2004 TA2149(IC101):3V AM/FM Chip Tuner IC(for Digital Tuning System) 1.Terminal layout 2.Block diagram BUFF BUFF DECODE 1/1 OR BUFF DIVIDE 1/16 BUFF LEVEL SM/MO FM/AM FM RF MUTE 3.Pin function Pin No. Symbol Function RF Gnd Gnd for FM RF Stage FM Rfin FM in AM Low Cut...
  • Page 74 PCX290 TC9257F(IC102):PLL for DTS 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram 2 MODULUS 4 bit SWALLOW POWER ON PRESCALER COUNTER RESET RESET TRI-STATE 12bit PROGRAMMABLE COUNTER BUFFER MODE TRI-STATE REFERENCE COUNTER MAX. CIRCUIT BUFFER (DO2/OT-4) UNLOCK 24bit REGISTER DATA 24 bit SHIFT REGISTER I/O-5/CLK CLOCK...
  • Page 75 PCX290 IC201(TA8189N):Quad pre amplifier designed for use in record/play back amplifier 1.Terminal layout 2.Block diagram METAL Ch2/B Ch2/A Ch1/A Ch1/B METAL GND1 3.Pin function Pin No. Symbol Function ch1/A Tape play back input(Play) ch1/B Tape play back input(Play/REC) Tape Play back NF Metal Out Metal EQ Switch PRE Out...
  • Page 76 PCX290 TC94A09F(IC301): 1.Terminal layout 1.Terminal layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3.Pin function Pin No. Symbol Assignment Function...
  • Page 77 PCX290 TA2153FN(IC302):RF Amplifier for Digital servo CD system 2.Block diagram 1.Terminal layout 1.Terminal layout 3.Pin function Pin No. Symbol Function Power supply input terminal. RFGC RF amplitude adjststment control signal input terminal. GMAD Open loop gain adjustment terminal for AGC AMP. Main beam I-V amp input terminal.
  • Page 78 PCX290 TA2092(IC303):Power Driver IC for CD Player 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram PW GND PW GND OUT(-)1 OUT(-)4 OUT(+)1 OUT(+)4 SGND OUT(+)2 OUT(+)3 OUT(-)2 OUT(-)3 PW GND PW GND 3.Pin function Pin No. Symbol Function PW GND Power GND OUT (-) 1 Inverted output for CH1...
  • Page 79 PCX290 TC9422F(IC401):System Electronic Volume 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram INPUT SELECTOR INPUT SELECTOR INPUT SELECTOR INPUT SELECTOR 100kW 100kW L-IN1 R-IN1 R-IN2 L-IN2 L-IN3 R-IN3 GAIN CONTROL GAIN CONTROL GAIN CONTROL GAIN CONTROL 0,6,12,18dB 0,6,12,18dB L-IN4 R-IN4 R-SW-OUT L-SW-OUT LATCH...
  • Page 80 PCX290 TA8229K(IC404):Audio power IC with built-in two channels developed 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram B.S.1 CH-1 OUT-1 45 W 30KW Bias Circuit Ripple Thermal Shut Down POWER-GND Protection Circuit CH-2 OUT-2 B.S.2 30KW Pre-GND2 Pre-GND1 3.Pin function Pin No.
  • Page 81 PCX290 NJM7805CV(IC501):VOLTAGE REGULATOR 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram OVERVOLTAGE PROTECTION THERMAL SHUTDOWN BANDGAP REFERENCE 1 2 3 SOAPROTECTION SHORTCIRCUIT PROTECTION 3.Pin function Pin No. Symbol Function Input Power supply Input Output +12V output Ground...
  • Page 82 LE030401 PC-X290 Polyfoam Top ( R ) 86-00290-01 LE030401 PC-X290 Polyfoam Top ( L ) U-RE-JVC Remote Main Unit 85-00025-81A LE030401 PC-X290 Polybag 3.5" x 10" (PO) 30-10030-10 LE030401 PC-X290 AC Cord Set 1.5m LP-5 88-00290-02 I/B (EN/SP) LVT1189-002A LE030401 PC-X290...
  • Page 83 Parts list for version deviation Packing Parts PCX290 Items Parts No. Parts Name Description 88-00290-02 I/B (EN/SP) LVT1189-002A LE030401 PCX290 88-00290-03 I/B(EN/FR) LVT1189-003A...

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