Download
Share
Print this page
JVC RC-EX30B Service Manual
  1. Manuals
  2. Brands
  3. JVC Manuals
  4. CD Player
  5. RC-EX30B
  6. Service manual
JVC RC-EX30B Service Manual

JVC RC-EX30B Service Manual

Hide thumbs Also See for RC-EX30B:

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
CD PORTABLE SYSTEM
RC-EX30B
SERVICE POLICY
No service part is available for this portable system.
Based on One to One exchange policy.
Safety precautions............................................................. 2
Disassembly method.......................................................... 3
Description of major IC ....................................................... 4
Voltage charts .................................................................. 19
Block diagram................................................................... 22
Wiring connection..............................................................
Schematic diagrams.......................................................... 24
Illustration of packing and parts list....................................... 30
COPYRIGHT © 2004 JVC ASIA PTE LTD
Contents
Area Suffix
A------------Australia
US -------- Asia
UT -------- Taiwan
UX -------- Middle-East
23
No. 28219
November 2004

Advertisement

loading
Need help?

Need help?

Do you have a question about the RC-EX30B and is the answer not in the manual?

Questions and answers

Related Manuals for JVC RC-EX30B

Summary of Contents for JVC RC-EX30B

  • Page 1: Table Of Contents

    Safety precautions…..……….…..….………..…………………….. 2 Disassembly method……………...……..………………………….. 3 Description of major IC ……...…..…………….……………………. 4 Voltage charts ……….…...……………..…...……………………… 19 Block diagram…..………….……...……..………………………….. 22 Wiring connection……..…….…….……..……………………..… Schematic diagrams…………………………………………………. 24 Illustration of packing and parts list………………..………………. 30 No. 28219 COPYRIGHT © 2004 JVC ASIA PTE LTD November 2004...

  • Page 2: Safety Precautions

    RC-EX30 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 3: Disassembly Method

    RC-EX30 DISASSEMBLY METHOD Remove all screws in Rear Cabinet...

  • Page 4: Description Of Major Ic

    RC-EX30 Description of major IC 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...

  • Page 5: Terminal Layout

    RC-EX30 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 6 RC-EX30 TC9462F(IC201):Digital Servo Single Chip Processor Built in 1B1T DA Converter 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram Servo 1 bit control Clock TEZI generator TSIN TEST1 SBAD TEST2 Digital equalizer Address Automaatic adjustment 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 circuit circuit TEST3...
  • Page 7 RC-EX30 TA2153FN(IC202):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 8 RC-EX30 TA2092(IC203):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 9 RC-EX30 KA78R05 (IC204):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 10 RC-EX30 ES3890F (IC205):Visba3 Video CD Processor 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram GPIO TV-Encoder Interface 32-bit 32-bit RISC Processor SRAM/ROM RISC Processor Display Interface 8 kB cache Controller 8 k B cache Gateway Gateway DMA Controller Controller Transport Interface Parser Huffman...
  • Page 11 RC-EX30 HY511864BJC-60 (IC206):1M X 16, Extended Data out mode 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram DATA-IN CONTROL LCAS LOGIC BUFFER UCAS DQ16 No. 2 CLOCK No.2 CLOCK GENERATOR DATA-OUT BUFFER COLUMN COLUMN DECODER ADORESS BUFFER(10) 1024 REFRESH CONTROLER SENSE AMPLFIERS SENSE AMPLFIERS...
  • Page 12 RC-EX30 MX29F040PC (IC207):CMOS Flash Memory 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram WRITE CONTROL PROGRAM/ERASE STATE INPUT HIGH VOLTAGE MACHINE HIGH VOLTAGE LOGIC (WSM) STATE MX29F400T/B A0-A17 ADDRESS REGISTER FLASH LATCH ARRAY BUFFER Y-PASS GATE Y-PASS GATE COMMAND DATA DECODER SENSE DATA...
  • Page 13 RC-EX30 PT8211(IC208): 16 Bits Digital to Analog Converter 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram Floating Conversion Data Latch Data Latch Floating Conversion 3.Pin function Pin No. Symbol Function Bit Serial Clock Input Pin Word Select Input Pin Data Input Pin Ground Power Positive Power Supply...
  • Page 14 RC-EX30 HCF4052BE(IC209):Dual 4-channel analog multiplexer,demultiplexer 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram -common -common 3.Pin function Pin No. Symbol I/O Function YI/00 Y Signal Input YI/02 I Y Signal Input CYO/I O Y Signal output YI/03 I Y Signal Input YI/01 I Y Signal Input /INH...
  • Page 15 RC-EX30 AN7312(IC301): Dual Recording/Playback Pre-Amplifier Circuit with ALC 1.Terminal layout 2.Block diagram Amp. Ripple Filter Amp. 3.Pin function Pin No. Symbol Function ALC Time Constant ALC Time Constant by Resistance and Capacitor ALC Input Ch.1 Right channel ALC Input Output Ch.1 Right Channel Output Phase Compensation Ch.1 No connect...
  • Page 16 RC-EX30 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 17 RC-EX30 TA8227P(IC402):Audio power IC with built-in two channels developed for portable radio cassette tape recorder. 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram B.S.1 CH-1 OUT-1 45 W 30KW BIAS CIRCUIT BIAS CIRCUIT Ripple THERMAL SHUT DOWN THERMAL SHUT DOWN POWER-GND PROTECTION CIRCUIT PROTECTION...
  • Page 18 RC-EX30 TMP87EP26F(IC501):MCU 1.Terminal layout 1.Terminal layout 2.Block diagram 2.Block diagram SEG10 SEG9 (BOOT) SEG8 VAREF NEW MICON SEG7 AD K1 NEW MICON UX-M5(UP) SEG6 AD K2 (Ux-M3) SEG5 ADK3 SEG4 PWR DET SEG3 STEREO SEG2 RDS DATA SEG1 MCU:TMP87EP26F-1J15 CLT(SLEND) SEG0 COM3 COM2...

  • Page 19: Voltage Charts

    RC-EX30 ■ VOLTAGE PARTS LIST IC501 IC401 IC101 IC203 IC102 IC301 IC402 IC204 SC6122 TC9422F TA2149 TA2092 TC9257 AN7312 TA8227P KA78R05 PIN1 2.2V 1.2V 0.7V 2.2V 5.7V PIN2 PIN3 3.4v 0.3V 4.7V 4.2V 4.4V 4.7V 3.3V PIN4 PIN5 4.4V 0.14V 1.35V 0.59V PIN6...
  • Page 20 RC-EX30 IC201 IC501 IC 207 TC9462F 87EP26F-4K76 MX29F040 PIN1 PIN51 1.3V PIN1 PIN51 4.6V PIN1 3.5V PIN2 PIN52 1.9V PIN2 2.2V PIN52 2.4V PIN2 2.2V 2.2V 2.4V 1.4V PIN3 PIN53 PIN3 PIN53 PIN3 PIN4 PIN54 2.1V PIN4 4.6V PIN54 2.4V PIN4 2.7V 2.5V...
  • Page 21 RC-EX30 IC205 ESS3890 PIN1 PIN27 2.2V PIN53 3.5V PIN79 0.5V PIN105 1.2V PIN2 PIN28 2.2V PIN54 3.8V PIN80 PIN106 3.2V 2.5V 0.6V PIN3 PIN29 PIN55 PIN81 PIN107 PIN4 PIN30 2.5V PIN56 2.5V PIN82 PIN108 0.4V 4.8V 3.4V 2.5V 0.4V PIN5 PIN31 PIN57 PIN83...

  • Page 22: Block Diagram

    RC-EX30 BLOCK DIAGRAM...

  • Page 23: Wiring Connection

    RC-EX30 WIRING CONNECTIONS...

  • Page 24: Schematic Diagrams

    RC-EX30 Schematic diagrams AMP circuit...
  • Page 25 RC-EX30 CD Circuit...
  • Page 26 RC-EX30 Cass Circuit...
  • Page 27 RC-EX30 MCU circuit...
  • Page 28 RC-EX30 MP3 Circuit...

  • Page 29: Tuner Circuit

    RC-EX30 Tuner circuit...

  • Page 30: Illustration Of Packing And Parts List

    30-10010-10 LE030401 AC Cord Set 1.5M SF91A/SF-201 Cushion f 116 X f 17 X 2mm 81-01000-80 LE030401 Turn Table 88-10030-34 JVC ( A ) LVT1213-008A LE030401 RCEX30 IB 85-91014-82 LE030401 Polybag 10" X 14" (PO) 86-10010-01 LE030401 RCEX10 Polyfoam ( R )
  • Page 31 Illustration of Packing and Parts List (For US, UX & UT) Parts Number Parts Name Remarks Item Suffix 83-10010-20 US/UT/UJ LE030401 RCEX30B Gift Box 83-10010-12 B-RE-JVC RCEX30 Remote Unit 85-00025-81A LE030401 Polybag 3.5" X 10"(PO)(W/RCY) Main Unit 89-09023-80 LE030401 CD Protect Board 30-10010-07 LE030401 AC Cord Set LP51A/LS7J LTK...
  • Page 32 JVC Asia Pte Ltd 101 Thomson Road, #28-04 United Square, Singapore 307591 (No:28219) Printed in Singapore 200405(L)