JVC CA-PCX290 Service Manual Download Page 47 | Manualshive

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(No.MB200)1-13

SECTION 5

TROUBLESHOOTING

5.1

Block diagram

Tuner

TA2149

PLL

TC9257

LCD

Display

Back

Light

MCU/CD

TC94A09

Remote

Control

Key Board

Remote

sensor

CD Pick

Up

CD RF AMP

TA2153FN

Source

Selector

TC9422

Power AMP

TA8229PK

Speaker

Main

Voltage

Regulator

Rectifier

Power

Supply

CD/MCU

Voltage

Regulator

AC IN

CD Servo

TA2092

For Tuner

For Tape

For MCU/CD

AUX IN

TapeB

Deck

TapeA

Deck

Tape

Section

TA8189N

Phone

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Summary of Contents for CA-PCX290

Page 1: ...290 SP PCX290 SENSOR TAPE AUX PLAY REC PLAY PHONES PRESET U P R E P E A T P R O G R A M SET N W O D T E S E R P O R T N I Y A L P S I D CD RANDOM TUNER BAND PLAY REW FF PAUSE PLAY REW FF STOP EJECT PAUSE REC CD SYNCHRO RECORDING AUTO STOP SYSTEM CD PORTABLE COMPONENT SYSTEM STOP EJECT STANDBY A B VOLUME H B S P R E S E T E Q STANDBY ON FM MODE TAPE CD RANDOM TUNER BAND Area suffix J U S A C Canada...

Page 2: ...Signal to noise ratio 75 dB Cassette deck Frequency response Normal type I 50 Hz 10 000 Hz Wow and flutter 0 15 WRMS General Power requirements AC 120 V 60 Hz DC 12 V R20 SUM 1 D 13D batteries 8 Power consumption 20 W at operation 3 W on standby Dimensions approx 270 mm 274 mm 298 mm W H D 10 11 16 in 10 3 4 in 11 3 4 in Mass approx 4 1 kg 9 1 lbs Speaker Type 2 way bass reflex type Speaker units ...

Page 3: ...VICE 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: ... No MB201 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 5: ...tic parts list 40 Troubleshooting 5 IC lead identification Main adjustment 7 and transistor pin out diagrams 51 Wiring connections 11 Voltage charts 60 Printed circuit boards 12 Illustration of Packing and Parts List 62 Schematic diagrams 30 This service manual is made from 100 recycled paper COPYRIGHT 2000 VICTOR COMPANY OF JAPAN LTD No APR 2004 PC X290 SERVICE MANUAL CD PORTABLE COMPONENT SYSTEM...

Page 6: ...perform an isolation check on the exposed metal Parts of the product antenna terminals knobs metal cabinet screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current fro...

Page 7: ...Board Remote sensor CD Pick Up CD RF AMP TA2153FN Source Selector TC9422 Power AMP TA8229PK Speaker Main Voltage Regulator Rectifier Power Supply CD MCU Voltage Regulator AC IN CD Servo TA2092 For Tuner For Tape For MCU CD AUX IN TapeB Deck TapeA Deck Tape Section TA8189N Phone PC X290 30 MAR 2004 ...

Page 8: ...OPEN OPEN AC IN DO NOT USE THIS UNIT IN DIRECT SUNLIGHT OR LEAVE THE UNIT IN CLOSED AUTOMOBILES OR YACHTS ETC WHERE IT WOULD BE EXPOSED TO THE HIGH TEMPERATURE ABOVE 40 C 104 F R L BEAT CUT RESET 1 2 R L AUX IN ANT SCREW SPEAKER IMPEDANCE MIN 3 2 D D D D D D D Removing Left and Right and Top side and back side Remove all screws on left and right and back side PC X290 30 MAR 2004 ...

Page 9: ... if necessary Poor contact in antenna circuit Check resistance and resolder FM No sound weak sound Low sensitivity FM antenna not connected Connect the built in or external antenna Defective band selector switch Replace or repair the switch Defective IC101 Check voltages Replace if necessary Defective IC102 Check voltages Replace if necessary Intermediate Frequency tuning faulty Readjust see Align...

Page 10: ... disc Moisture has formed inside the CD deck Wait about 20 to 30 minutes Defective Q407 Check voltages Replace if necessary Defective IC301 Check voltages Replace if necessary Defective IC302 Check voltages Replace if necessary Defective IC303 Check voltages Replace if necessary Defect in the CD pickup mechanism Replace as required PC X290 ...

Page 11: ...r meter Test tape Playback tape MTT 111NS tape speed wow flutter MTT 112BN reference level MTT 257C playback frequency MTT 113CN Recording tape MTT 501 Power supply voltage AC110V 120V 60Hz g g g g Measuring instruments Radio section FM 1 kHz 22 5 kHz deviation FM STEREO 1 kHz 67 5 kHz deviation pilot signal 7 5 kHz AM 1 kHz 30 modulation Reference output Speaker output 0dB 2 V 3 2 ohm H Phone out...

Page 12: ...ig 3 1 PB frequency response check Test tape MTT257C Signal output terminal PHONES with 32 ohm load Play back the test tape MTT257C while con firming that deviation between the 1 kHz signal and 8 kHz signal should be 0 3 6 dB Deviation between 1 kHz and 8 kHz 0 3 6 dB Bias frequency check Tape Normal Signal output terminal Cassette REC PLAY HEAD Set the TUNER or CD function and with TAPE to record...

Page 13: ... at 1710 KHz Check the pin of R107 Voltage at 7 5V 0 5V 3 Set the TUNER and S G at 610KHz adjust L103 for maximum output 4 Set the TUNER and S G at 1400KHz adjust TC102 for maximum output 5 Repeat the above steps 3 and 4 L104 L103 TC102 See Fig 3 2 FM tracking adjustment Signal input Antenna Signal output IC101 PIN 16 1 Set the TUNER at 87 5MHz adjust L102 until the test pin of R105 voltage at 2 3...

Page 14: ...10 Location of adjusting parts Cassette mechanism section Figure 3 1 Head Output Signal Main board assembly R201 L203 IC20 1 R202 T101 L104 TC102 L101 L 1 0 3 IC101 TC101 L102 Figure 3 2 PC X290 ...

Page 15: ...11 WIRING CONNECTIONS PC X290 ...

Page 16: ...JVC ASIA PTE LTD 101 Thomson Road 28 04 United Square Singapore 307591 No PC X290 Printed in Japan 0001 V ...

Page 17: ...PCX290 31 MAR 2004 Printed circuit boards Top view 12 Main board ...

Page 18: ...Top view 13 PCX290 Main board ...

Page 19: ...Main board Top view 14 PCX290 ...

Page 20: ...Bottom view 15 PCX290 Main board ...

Page 21: ...Bottom view 16 PCX290 Main board ...

Page 22: ...Main board Bottom view 17 PCX290 ...

Page 23: ...18 Display Key board Top View PCX290 ...

Page 24: ...PCX290 19 Display Key Board Top View ...

Page 25: ...PCX290 Display Key Board Top View 20 ...

Page 26: ...PCX290 Display Key board Bottom View 21 ...

Page 27: ...PCX290 Display Key board Bottom View 22 ...

Page 28: ...Display Key board PCX290 23 Bottom View ...

Page 29: ...24 Power board Top View PCX290 Top View Top View Bottom View Bottom View Bottom View ...

Page 30: ...PCX290 25 Light Board Top View Top View Top View Bottom View Bottom View Bottom View ...

Page 31: ...PCX290 Cass Deck board 26 Top View Top View Top View Bottom View Bottom View Bottom View ...

Page 32: ...PCX290 27 HeadPhone Board Top View Top View Top View Bottom View Bottom View Bottom View ...

Page 33: ...PCX290 Remote board 28 Top View Top View Top View ...

Page 34: ...PCX290 29 Remote Board Bottom View Bottom View Bottom View ...

Page 35: ... CA PCX290 SP PCX290 SENSOR TAPE AUX PLAY REC PLAY PHONES PRESET U P R E P E A T P R O G R A M SET N W O D T E S E R P O R T N I Y A L P S I D CD RANDOM TUNER BAND PLAY REW FF PAUSE PLAY REW FF STOP EJECT PAUSE REC CD SYNCHRO RECORDING AUTO STOP SYSTEM CD PORTABLE COMPONENT SYSTEM STOP EJECT STANDBY A B VOLUME H B S P R E S E T E Q STANDBY ON FM MODE TAPE CD RANDOM TUNER BAND Area suffix B U K SER...

Page 36: ... Signal to noise ratio 75 dB Cassette deck Frequency response Normal type I 50 Hz 10 000 Hz Wow and flutter 0 15 WRMS General Power requirements AC 230 V 50 Hz DC 12 V R20 SUM 1 D 13D batteries 8 Power consumption 20 W at operation 3 W on standby Dimensions approx 270 mm 274 mm 298 mm W H D Mass approx 4 1 kg Speaker section SP PCX290 Type 2 way bass reflex type Speaker units Woofer 10 cm cone x1 ...

Page 37: ... No MB200 1 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 ...

Page 38: ...binet backward and disconnect the an tenna wire from the antenna terminal on the inside of the rear cabinet 4 Disconnect the wire from connector CN401 on the main board on the front cabinet section Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 B B B A A A Rear cabinet section D Rear cabinet section Front cabinet section Front cabinet section Rear cabinet section D Rear cabinet section Front cabinet section ...

Page 39: ...n board 3 Remove the two screws E and the two screws F attaching the CD assembly section 4 Remove the five screws G attaching the LED board on the front side of the CD assembly section 5 Move the CD assembly section from the front cabinet sec tion backward Disconnect the card wire from connector CN601 on the LED board Fig 7 Fig 8 Fig 9 Fig 10 Fig 11 CN203 CN202 CN201 Main boardh Main board CN402 C...

Page 40: ...ree screws J attaching the main board 3 Push each tab of the main board inward and remove the main board 4 Move the main board and the LED board as shown in Fig 14 and solder the short circuit point on the CD servo board inside the CD assembly section 5 Disconnect the card wire from connector CN301 on the main board 6 Disconnect the wire from the door switch at the bottom of the CD assembly sectio...

Page 41: ... No MB200 1 7 Fig 14 Fig 15 Fig 16 Short circuit point CD assembly LED board Main board CN301a CN302 Card wire Unsolder Short circuit point CD servo board Wire Door switch ...

Page 42: ... assembly See Fig 17 Prior to performing the following procedure remove the LED board main board 1 Disconnect the wire from the wire clamp 2 Remove the four screws K attaching the CD mechanism assembly Fig 17 Wire clamp CD mechanism assemblya K K ...

Page 43: ... 2 Remove the screw L attaching the bracket board on the headphone board 3 Pull out the headphone board backward 4 Release the three bands setting the wire to the boss of the front cabinet 5 Remove the eight screws M attaching the switch board Fig 18 Fig 19 Fig 20 Fig 21 Front assembly Volume knob Switch board Band Headphon board Switch board Band Headphon board Switch board L M M M Front assembly...

Page 44: ...on on the front side to open the cas sette door 2 Disconnect the wire from connector CN201 CN202 and CN203 on the main board 3 Remove the six screws N attaching the cassette mecha nism assembly Fig 22 Fig 23 Fig 24 Cassette door Eject button CN203 CN202 CN201 Main boardh Cassette mechanism assembly N N ...

Page 45: ...and rear cabinet section 1 Unsolder the two wires on the battery spring 2 Remove the screw P attaching the fuse board 3 Remove the two screws Q attaching the A C jack 4 Remove the four screws R attaching the power transformer assembly 5 Release the four bands setting the wire to the boss of the rear cabinet 6 Remove the two screws T attaching the bracket Fig 25 Fig 26 Fig 27 A C jack Power transfo...

Page 46: ...1 12 No MB200 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT ...

Page 47: ...U CD TC94A09 Remote Control Key Board Remote sensor CD Pick Up CD RF AMP TA2153FN Source Selector TC9422 Power AMP TA8229PK Speaker Main Voltage Regulator Rectifier Power Supply CD MCU Voltage Regulator AC IN CD Servo TA2092 For Tuner For Tape For MCU CD AUX IN TapeB Deck TapeA Deck Tape Section TA8189N Phone ...

Page 48: ...1 14 No MB200 5 2 Standard schematic diagrams 5 2 1 Main section ...

Page 49: ... No MB200 1 15 ...

Page 50: ...1 16 No MB200 5 3 Main CPU and CD servo section ...

Page 51: ... No MB200 1 17 ...

Page 52: ... No MB200 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited WPC Printed in Japan ...

Page 53: ...Main circuit 30 PCX290 30 MAR 2004 Schematic diagrams ...

Page 54: ...PCX290 Main circuit 31 ...

Page 55: ...PCX290 Main circuit 32 ...

Page 56: ...PCX290 CPU circuit 33 ...

Page 57: ...Remote circuit PCX290 34 ...

Page 58: ...Exploded view of general assembly 35 36 ...

Page 59: ...1 X290 Cass Deck Key 1 B Pause ABS 28 39 00290 01 LE030401 X290 Cass Key 1 BKT Plate L 29 39 00290 02 LE030401 X290 Cass Key 1 BKT Plate R 30 94 00290 00 Lead Free X290 Cass Deck 1 CS 21SW 290 31 11 00290 04 PC X290 Headphone PCB 1 94VO 1 6mm 32 11 00290 10 PC X290 Phone PCB Plate 1 Component Side 33 52 00290 03 LE030401 X290 Knob Circle 2X 1 HBS EQ Display ABS 34 52 00290 02 LE030401 X290 Functio...

Page 60: ...90 handle Lock 1 BKT R ABS 85 12 00004 33 LE030401 AC Power Socket 1 PSP27 UL 86 12 00004 33 LE030401 AC Power Socket 1 PSP27 UL 87 35 40008 80 LE030401 M4 Nut 2 89 35 30009 80 LE030401 Spring Washer 2 M4 φ4 x φ7 x 1mm 90 35 00008 80 LE030401 Metal Washer 2 φ9 x φ4 x 0 8mm 91 15 00290 00 LE030401 X Former 1 T06821A 120V UL 92 39 00290 03 LE030401 X290 X Former 1 Metal Plate 93 11 00290 03 PC X290 ...

Page 61: ...30401 X290 Sound Box 1 Rear Cabinet R Hips 132 49 00290 03 LE030401 X290 Sound Box 2 Wire Playwood 133 42 00290 02 LE030401 X290 J C Sound Box 1 PC Plate L 134 42 00290 03 LE030401 X290 J C Sound Box 1 PC Plate R 135 40 13026 01 Screw φ 3 x 26 6 BH ST 136 40 13018 01 Screw φ 3 x 18 10 BH ST 137 40 13008 13 Screw φ 3 x 8 4 WH ST 138 40 13010 03 Screw φ 3 x 10 8 WH ST 139 42 05000 11 LE030401 X290 J...

Page 62: ...4 05 77103 20 Axial C Capacitor 1 Lead Free 0 01µF 20 52mm T T C125 05 77104 82 Axial C Capacitor 1 Lead Free 0 1µF 80 20 52mm T T C126 06 75105 20 E Capacitor 1 Lead Free 1µF 50V 20 5x11 T T C127 06 75335 20 E Capacitor 1 Lead Free 3 3µF 50V 20 5x11 T T C128 05 77153 20 Axial C Capacitor 1 Lead Free 0 015µF 20 52mm T T C129 05 77102 10 Axial C Capacitor 1 Lead Free 1000pF 10 52mm T T C130 05 7768...

Page 63: ... 05 Axial C Capacitor 1 Lead Free 330pF 5 52mm T T C255 05 72102 10T Mylar Capacitor 1 Lead Free 0 001µF 50V 10 T T C256 06 71476 20 E Capacitor 1 Lead Free 47µF 16V 20 5x11 T T C257 05 77104 82 Axial C Capacitor 1 Lead Free 0 1µF 80 20 52mm T T C258 06 70227 20 E Capacitor 1 Lead Free 220µF 10V 20 5x11 T T C259 06 72227 20T E Capacitor 1 Lead Free 220µF 25V 20 T T C260 06 71107 20 E Capacitor 1 L...

Page 64: ...Capacitor 1 Lead Free 100pF 5 52mm T T C378 05 77101 05 Axial C Capacitor 1 Lead Free 100pF 5 52mm T T C379 06 75105 20 E Capacitor 1 Lead Free 1µF 50V 20 5x11 T T C401 06 75105 20 E Capacitor 1 Lead Free 1µF 50V 20 5x11 T T C402 06 71107 20 E Capacitor 1 Lead Free 100µF 16V 20 5x11 T T C403 05 77104 82 Axial C Capacitor 1 Lead Free 0 1µF 80 20 52mm T T C404 06 75106 20 E Capacitor 1 Lead Free 10µ...

Page 65: ...S3 Red CF103 09 50107 87 CER DIS 1 Lead Free JT10 7MG82 CF104 20 11030 80J 3Pin Header 1 Lead Free P 2mm B3BPH Authentic JST CN201 20 11050 80 5Pin Header 1 Lead Free P 2mm B5BPH JST CN202 20 12060 80 6Pin Header 1 Lead Free P 2 5mm Molex CN203 20 80160 82 FFC Socket 1 Lead Free 16 Pin P 1mm CN301 20 11060 80 6Pin Header 1 Lead Free P 2mm B6BPH JST CN302 25 84110 82 Rainbow Cable 1 Lead Free 28UL ...

Page 66: ... Inductor 1 Lead Free 10µH 823465 52mm T T L302 09 70102 85 Axial Inductor 1 Lead Free 100µH 823477 52mm L303 09 70101 82T Inductor 1 Lead Free 10µH 823465 52mm T T L305 09 01000 81 Toroid Coil 1 Lead Free R195 875560NP L307 08 04200 80 Ferrite Bead 1 Lead Free RH03505 AS W4B L309 08 04200 80 Ferrite Bead 1 Lead Free RH03505 AS W4B L310 09 01000 81 Toroid Coil 1 Lead Free R195 875560NP L401 09 010...

Page 67: ...7 74333 50T Carbon Resistor 1 Lead Free 33K 1 8W 5 52mm T T R121 07 74221 50T Carbon Resistor 1 Lead Free 220 1 8W 5 52mm T T R122 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R124 07 74223 50T Carbon Resistor 1 Lead Free 22K 1 8W 5 52mm T T R125 07 74223 50T Carbon Resistor 1 Lead Free 22K 1 8W 5 52mm T T R126 07 74223 50T Carbon Resistor 1 Lead Free 22K 1 8W 5 52mm T T R127 07 74...

Page 68: ...T T R241 07 74472 50T Carbon Resistor 1 Lead Free 4 7K 1 8W 5 52mm T T R242 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R243 07 74333 50T Carbon Resistor 1 Lead Free 33K 1 8W 5 52mm T T R244 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R245 07 74333 50T Carbon Resistor 1 Lead Free 33K 1 8W 5 52mm T T R246 07 74101 00T Carbon Resistor 1 Lead Free 100 1 4W 5 52mm T T...

Page 69: ... 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R357 07 74223 50T Carbon Resistor 1 Lead Free 22K 1 8W 5 52mm T T R358 07 74473 50T Carbon Resistor 1 Lead Free 47K 1 8W 5 52mm T T R359 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R361 07 74223 50T Carbon Resistor 1 Lead Free 22K 1 8W 5 52mm T T R362 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R363 07 ...

Page 70: ...152 50T Carbon Resistor 1 Lead Free 1 5K 1 8W 5 52mm T T R441 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R442 07 74123 50T Carbon Resistor 1 Lead Free 12K 1 8W 5 52mm T T R443 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R444 07 74103 50T Carbon Resistor 1 Lead Free 10K 1 8W 5 52mm T T R445 07 74100 00T Carbon Resistor 1 Lead Free 10 1 4W 5 52mm T T R446 07 74682 ...

Page 71: ...x 10 For JP501 Wire 28 32010 00 Fibre Tube 1 φ 2mm L 10mm For R501 L7805CV IC 1 03 07805 08 Array IC501 12 21315 00 φ3 5mm JK 1 Lead Free W 2P2T CK x 3 5 02J5P2K JK402 12 00004 33 AC Power Socket 1 LE030401 PSP27 UL JK501 20 42052 81 5Pin Hou G 1 Lead Free CBL UL1007 22 P 2 5 L 460 JP402 to CN402 20 42051 80 5Pin Hou G 1 Lead Free UL1007 22 P 2 5 L 460mm JP501 to CN401 09 70101 82T Inductor 1 Lead...

Page 72: ... Resistor 1 Lead Free 2 7K 1 8W 5 52mm T T R610 07 74392 50T Carbon Resistor 1 Lead Free 3 9K 1 8W 5 52mm T T R611 07 74682 50T Carbon Resistor 1 Lead Free 6 8K 1 8W 5 52mm T T R612 07 74153 50T Carbon Resistor 1 Lead Free 15K 1 8W 5 52mm T T R613 07 74122 50T Carbon Resistor 1 Lead Free 1 2K 1 8W 5 52mm T T R614 07 74122 50T Carbon Resistor 1 Lead Free 1 2K 1 8W 5 52mm T T R615 07 74151 50T Carbo...

Page 73: ...17 16 15 14 13 Pin No Symbol I O Function 1 RF Gnd Gnd for FM RF Stage 2 FM Rfin I FM in 3 AM Low Cut I AM Low cut 4 Mix Out O Mix out 5 Vcc Vcc for AM FM IF MPX 6 AM IF IN I AM IF in 7 FM IF IN I FM IF in 8 GND Gnd for AM FM if MPX 9 AGC O AGC 10 QUAD O FM detector 11 R OUT O Right out 12 L OUT O Left out 13 LPF2 I LPF terminal for phase detector 14 LPF1 I LPF terminal for synchronous detector 15...

Page 74: ...VERSAL COUNTER CONTROL FMIN AMIN XT XT XT DATA CLOCK PERIOD Pin No Symbol I O Function 1 XT Crystal oscillator pins 2 XT Crystal oscillator pins 3 PERIOD I Period signal input 4 CLOCK I Clock signal input 5 DATA I O Serial data input output 6 OT 1 O General purpose output ports 7 OT 2 O General purpose output ports 8 OT 3 O General purpose output ports 9 OT 4 O General purpose output ports 10 I O ...

Page 75: ...lay back input Play REC 3 NF Tape Play back NF 4 Metal Out O Metal EQ Switch 5 PRE Out O Play back Amp output 6 MIX Out O Mixing output 7 GND Gnd 8 M N Change over swtich for metal mode 9 REC Out O Recording Amp output 10 NF Recording Amp NF 11 REC IN I Recording Amp input 12 GND Gnd 13 ALC T C Automatic level Control ALC time 14 REC IN I Recording Amp input 15 NF Recording Amp NF 16 REC Out O Rec...

Page 76: ...selection 30 P4 1 AM STEP I AM Step select 31 P4 2 DATA I O 32 P4 3 CLOCK I O CD CD RW gain control output CD RW control is enable only for voltage type pick up TUNER Stereo detect input 34 P2 1 12 24HR O 12 24Hour select 35 36 P2 3 Door CL I 37 38 GND GND or NC O 39 VL CE OT19 E Vol CE O Electronic Volume Chip Enable 40 PLL CE OT20 PLL CE O PLL Chip Enable 41 FUN A OT21 O 42 FUN B OT22 O 43 DOUT ...

Page 77: ...2VRO O Reference voltage 2VRO output terminal 13 TEN I TE amp negative input terminal 14 TEO O TE error signal output terminal 15 SBAD O Sub beam adder signal output terminal 16 FEO O Focus error ignal output terminal 17 FEN I FE amp negative 18 SEB I RFRP output circuit switching terminal 19 VRO O Reference signal VRO output terminal 20 RFRP O Track count signal output terminal 21 BTC I Time cons...

Page 78: ...r CH1 4 OUT 1 I Non inverted output for CH1 5 VIN1 I Input for CH1 6 VR1 I Input reference voltage 7 VC1 O Output reference voltage 8 VIN2 I Input for CH2 9 OUT 2 O Non inverted output for CH2 10 PVCC2 O Supply terminal of output stage for CH2 11 OUT 2 O Inverted output for CH2 12 PW GND Power GND 13 PW GND Power GND 14 OUT 3 O Inverted output for CH3 15 PVCC3 O Supply terminal of output stage for...

Page 79: ...one control tap Pin 2 for bus 21 R B1 Tone control tap pin 1 for bus 22 R VR IN I Main volume input pins 23 R SW OUT I Audio signal input pins 24 R IN4 I Audio signal input pins 25 R IN3 I Audio signal input pins 26 R IN2 I Audio signal input pins 27 R IN1 I Audio signal input pins 28 VDD Power supply voltage pin PCX290 57 28 1 16 13 14 15 5 6 3 4 2 24 23 22 21 20 19 18 17 26 25 27 LATCH DECODER C...

Page 80: ...B S 1 Connect a E C to Vcc 7 Power GND Power Gnd 8 Vcc2 Power Supply 9 Ripple Connect a E C to Vcc 10 NF1 I 1 CH negative fead back input 11 IN1 I 1 CH Signal input 12 IN2 I 2 CH Signal input 13 NF2 I 2 CH negative fead back input 14 Pre GND1 Pre Gnd 1 15 Pre GND2 Pre Gnd 2 vcc2 vcc2 30KW 45W Ripple IN2 45W NF2 30KW Pre GND1 CH 1 CH 2 4 8 13 12 9 10 11 14 B S 1 OUT 1 POWER GND OUT 2 B S 2 6 5 2 3 ...

Page 81: ...m 3 Pin function PCX290 59 NJM7805CV IC501 VOLTAGE REGULATOR Pin No Symbol I O Function 1 Input I Power supply Input 2 Output O 12V output 3 Ground GND 1 2 3 1 3 2 THERMAL SHUTDOWN BANDGAP REFERENCE OVERVOLTAGE PROTECTION SHORTCIRCUIT PROTECTION Q1 SOAPROTECTION R1 R2 ...

Page 82: ... Protection 10 85 92224 82 LE030401 PC X290 1 Polybag 22 x 24 x 0 04 PO 11 42 00290 03 LE030401 PC X290 1 Sound Box PC Plate R 12 42 00290 02 LE030401 PC X290 1 Sound Box PC Plate L 13 85 91821 84 LE030401 PC X290 2 Polybag 18 x 21 W W H PE 14 86 00290 00 LE030401 PC X290 1 Polyfoam Top R 15 86 00290 01 LE030401 PC X290 1 Polyfoam Top L 16 U RE JVC Remote Main Unit 1 17 85 00025 81A LE030401 PC X2...

Page 83: ...Parts list for version deviation Packing Parts J C 88 00290 02 I B EN SP LVT1189 002A x 88 00290 03 I B EN FR LVT1189 003A x Description PCX290 LE030401 PCX290 Items 1 Parts No Parts Name ...

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