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SERVICE MANUAL
MICRO COMPONENT SYSTEM
9 S ERVICE MANUAL
MB630
2007
UX-S15B, UX-S15E, UX-S15EN,
COPYRIGHT © 2007 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
UX-S15EV
SERVICE POLICY
No service part is available for this model.
Exchange only.
SP-UXS15
TABLE OF CONTENTS
COPYRIGHT © 2007 Victor Company of Japan, Limited
CA-UXS15
SP-UXS15
EV only
No.MB630
2007/9
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Summary of Contents for JVC UX-S15B
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Page 1: Table Of Contents
SERVICE MANUAL MICRO COMPONENT SYSTEM MB630 2007 9 S ERVICE MANUAL UX-S15B, UX-S15E, UX-S15EN, UX-S15EV SERVICE POLICY No service part is available for this model. Exchange only. SP-UXS15 CA-UXS15 SP-UXS15 EV only COPYRIGHT © 2007 Victor Company of Japan, Limited... - Page 2 SPECIFICATION 5 W per channel min. RMS driven into 4 Ω at 1 kHz with no more than 10% total harmonic Amplifier section Output Power distortion. (IEC268-3) 4 Ω - 8 Ω Speakers/Impedance Tuner section FM tuning range 87.50 MHz - 108.00 MHz AM (MW) tuning range 522 kHz - 1 629 kHz CD player section Dynamic range...
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Page 3: Precaution
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 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
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Page 6: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the REAR COVER (See Fig.1 to 4) (1) Remove the two screws A, two screws B, two screws C and two screws D attaching the REAR COVER. - Page 7 Fig.2 CN404 Fig.3 CN401 Fig.4 (No.MB630)1-7...
- Page 8 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.
- Page 9 3.1.3 Removing the AMP BOARD assembly (See Fig.6 to 9) (1) Remove the two screws G attaching the AMP BOARD as- sembly. (See Fig.6) (2) Disconnect the card wire from TUNER PACK connected to connector CN303 of the AMP BOARD assembly. (3) Disconnect the connector wire from FRONT BOARD as- sembly connected to connector CN302...
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Page 10: No.mb630)1
3.1.4 Removing the CASSETTE MECHANISM assembly (See Fig.10) (1) Remove the four screws J attaching the CASSETTE MECHANISM assembly. Fig.10 1-10 (No.MB630) - Page 11 3.1.5 Removing the CD MECHANISM assembly (See Fig.11, 12) (1) Disconnect the connector wire from FRONT BOARD as- CN903 sembly connected to connector CN903 of the CD BOARD assembly. (See Fig.11) (2) Remove the four screws K attaching the CD MECHANISM assembly.
- Page 12 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 boss Fig.14 1-12 (No.MB630)
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Page 13: Adjustment
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. (No.MB630)1-13... -
Page 14: Troubleshooting
SECTION 5 TROUBLESHOOTING BLOCK DIAGRAM Spindle Motor Sled Motor FM ANT AM ANT RDS Module CD MECHA DA11 RDS decoder IC Q403, Q404 IC501 CD Vcc SIGNAL SELECT SW. FM/AM/PLL/TUNER IC IC902 Switch EQ./E.VOL. BTL.Power AMP. 4CH X2 4.5MHz Vcc Switch X901 16.9344MHz X2 4.322MHz... - Page 15 5.2 STANDARD SCHEMATIC DIAGRAMS 5.2.1 MAIN SECTION R/P-HEAD L201 FB 3T C214 R207 4.7K R216 C207 L CH CN201 TO R/P HEAD P RCH PLAY_LCH R348 R213 R221 R RCH C250 C251 C204 R346 4.7K C296 333P R297 C208 100PF 100PF R-CTRL Q312...
- Page 16 5.2.2 FRONT SECTION R701 NC SS14 D705 Q706 VCC-1 VCC-2 R789 1K 8550 L701 LED703 R780 5.6V P-CON STANDBY LED (RED) Q705 R705 TER-LED 8550 LED702 LCD701 Backlight LED (BLUE) LED701 5.6V LED+ TIMER LED (RED) SS14 D704 5.6V VCC-1 L702 100uH VCC-2...
- Page 17 5.2.3 CD SECTION C936 4.7UF R942 C935 4.7UF R943 C926 C932 C937 C938 C934 R936 150 C929 1UF C953 C931 100UF C933 330UF X901 R934 C940 C928 16.9344MHz C927 R901 330 C951 1000UF C901 EFMIN LRSY C945 R951 RF OUT DATACK R947 100K...
- Page 18 5.2.4 TUNER SECTION 16 15 14 13 12 11 10 9 SVR1 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 9 10 11 12 13 14 15 16 17 18 120uH 11 10 9 CON1...
- Page 19 (No.MB630)1-19...
- Page 20 Victor company of Japan, Limited Audio/Video Systems category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB630) Printed in Japan...