JVC UX-S15B Service Manual Download Page 8 | Manualshive

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1-8 (No.MB630)

3.1.2 Removing the POWER BOARD assembly (See Fig.5)

(1) Disconnect the POWER CORD connected to connecter

CN407

of the POWER BOARD assembly.

(2) Disconnect the connector wire from POWER TRANS-

FORMER connected to connector

CN406

of the POWER

BOARD assembly.

(3) Remove the two screws

F

attaching the POWER BOARD

assembly.

Fig.5

CN406

CN407

F

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Summary of Contents for UX-S15B

Page 1: ...OPYRIGHT 2007 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 13 5 TROUBLESHOOTING 1 14 EV only CA UXS15 SP UXS15 SP UXS15 SERVICE POLICY No service part is available for this model Exchange only ...

Page 2: ...ng range 522 kHz 1 629 kHz CD player section Dynamic range 60 dB Signal to noise ratio 60 dB Wow and flutter Immeasurable Cassette deck section Frequency response Normal type I 125 Hz 8 kHz Wow and flutter 0 35 WRMS General Power requirement AC 230 V 50 Hz Power consumption 26 W at operation 0 9 W on standby Dimensions approx 141 mm 211 mm 216 mm W H D Mass approx 2 6 kg Speakers Type 1 way Bass r...

Page 3: ...ack 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 from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and may create shock fire or other hazards 4 The leads in the products are routed and dressed with ties clamps tubings barriers and the like to be separated from live parts high temperature parts moving parts and or sharp edges for the prevention of electric shock and fire hazard When ser...

Page 5: ...t uses visible and or invisible laser radiation and is equipped with safety switches which prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those ...

Page 6: ... screws A two screws B two screws C and two screws D attaching the REAR COVER See Fig1 2 Remove the two screws E attaching the both side of REAR COVER See Fig 2 3 Disconnect the connector wire from AMP BOARD assem bly connected to connector CN404 of the POWER BOARD assembly See Fig 3 4 Disconnect the connector wire from POWER TRANS FORMER connected to connector CN401 of the AMP BOARD assembly See ...

Page 7: ... No MB630 1 7 Fig 2 Fig 3 Fig 4 E CN404 CN401 ...

Page 8: ...nnect the POWER CORD connected to connecter CN407 of the POWER BOARD assembly 2 Disconnect the connector wire from POWER TRANS FORMER connected to connector CN406 of the POWER BOARD assembly 3 Remove the two screws F attaching the POWER BOARD assembly Fig 5 CN406 CN407 F ...

Page 9: ... AMP BOARD assembly 6 Disconnect the connector wire from DOOR SWITCH con nected to connector CN707 of the AMP BOARD assembly 7 Disconnect the connector wire from PHONE BOARD as sembly connected to connector CN205 of the AMP BOARD assembly 8 Disconnect the card wire from FRONT BOARD assembly connected to connector CN301 of the AMP BOARD as sembly 9 Remove the two screws H attaching the TUNER PACK S...

Page 10: ...1 10 No MB630 3 1 4 Removing the CASSETTE MECHANISM assembly See Fig 10 1 Remove the four screws J attaching the CASSETTE MECHANISM assembly Fig 10 J J ...

Page 11: ...M assembly See Fig 11 12 1 Disconnect the connector wire from FRONT BOARD as sembly connected to connector CN903 of the CD BOARD assembly See Fig 11 2 Remove the four screws K attaching the CD MECHANISM assembly See Fig 12 Fig 11 Fig 12 CN903 K K ...

Page 12: ...1 12 No MB630 3 1 6 Removing the CHASSIS See Fig 13 14 1 Remove the three screws L attaching the CHASSIS See Fig 13 2 Disengage the two boss engaged both side of CHASSIS See Fig 14 Fig 13 Fig 14 L boss ...

Page 13: ...No MB630 1 13 3 1 7 Removing the FL BOARD assembly See Fig 15 1 Remove the five screws M attaching the FL BOARD as sembly Fig 15 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT M M ...

Page 14: ...owr AMP Q214 Q215 Tape Vcc Switch Q408 Q409 Tuner Vcc Switch R P Head Lch R P Head Rch Erase Head R P Switch AC Bias Q202 Q201 Q253 Q254 Q251 Q250 IC201 Preamplifier For Double Cassette Tape Recorder IC701 8 Bit Single Chip Microcontroller Q420 Q421 Relay DriveR RY401 Relay Main Power Transformer RECTIFIER RECTIFIER IC401 Regulator Q401 Vcc Switch IR X702 8MHz X701 32 768MHz KEY REC SW Half SW Pho...

Page 15: ...E IN PRE IN PRE IN PRE IN R208 4 7K 472 R209180K 33K R205 390PF C341 L204 10K R210 IC201 TA8189 180K R211 L208 L207 L209 L210 100PF 47UF 4 7UF 3 3UF C210 C209 9014 9014 9014 9014 Q312 100 R348 R213 R212 270K 10K 10K 4 7K R234 R225 R227 9014 Q211 R249 22K R221 22K R222 R220 1K 10K 10K 10K 10K 1K R216 4 7K R207 C299 C298 Q209 Q205 9014 9014 R201 R266 R265 30K 30K R202 4 7K 4 7K 120P 120P L201 L202 F...

Page 16: ...V DO TUNED TO CD PWB CN903 1 2 3 4 5 CD_RST CD_DATA CD_CMD CD_CLK CD_CE D704 C712 C713 C718 C716 C739 104 104 104 C724 102P 0 1F 220UF R772 100 R780 10K R701 NC Q705 8550 LED701 ZD704 3V9 R789 1K R725 R706 47 NC LED703 Q706 8550 R705 10K LED702 C725 104P 104P LCD701 R793 R702 3 3K R794 R792 R775 R765 OR OR 2K 2K 8 2K 1 2K 1 2K 470 R764 SW703 SW706 SW702 SW704 SW705 C707 1000P R708 3 3K R707 3 3K R...

Page 17: ... R947 C945 154 1 VC VCC E D A B GND LD VR PD F F T T C F 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 C909 R949 100 104 15K R925 15K R902 C906 C946 C910 100UF 100UF 100UF R924 R950 10K 10K CN903 RESB DO DI CL CE GND 1 2 3 4 5 6 TO Display PWB CN702 1K 1K 1K R921 R917 R919 R915 R913 1K 2 2K IC901 LC78692N 103 104 104 C908 C907 22K 22K R953 R954 Q901 Q901 R903 3 3 CN902 DA11MMV L902 R904 R948 100 104 104 33...

Page 18: ...64 C63 X1 IC1 EC7 R42 C44 C65 C43 C40 104 R40 D6 4 5 6 3 2 1 MA D7 120uH L9 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 FM IF FM IF IN AM IF IN GND Vcc FM DET P COMP P DET L OUT R OUT Vss CE CLK DI DO AMP IN FM IF AMP OUT RFG AM MIX BO AM OSC A IN A OUT FM SD AGC TUNED FM DET OUT PLL IN MPXIN AM DET OUT PCN OUT X OUT Vdd X IN AM RF IN FM OSC A...

Page 19: ... No MB630 1 19 ...

Page 20: ... No MB630 VPT Printed in Japan Victor company of Japan Limited Audio Video Systems category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

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