SERVICE MANUAL AUDIO / VIDEO CONTROL RECEIVER MB383 2005 RX-D302B,RX-D301S RX-D302B Area suffix J ---------------------------- U.S.A. C ------------------------- Canada RX-D301S Area suffix J ---------------------------- U.S.A. Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
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SPECIFICATION Ω Output Power At stereo operation Front channels 110 W per channel, min. RMS, driven into 6 40 Hz to 20 kHz with no more than 0.8% total har- monic distortion. Ω At surround operation Front channels 110 W per channel, min. RMS, driven into 6 1 kHz with no more than 0.8% total harmonic dis- tortion.
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...
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Importance administering point on the safety Primary board (Forward side) Main amplifier board (Forward side) F102 F101 Caution: For continued protection against risk of fire, replace only with same type 2 A/125 V for F101, 2 A/125 V for F102, 6.3 A/125 V for F103. This symbol specifies type of fast operating fuse.
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Caution after repairs There are two power supply as the second power supply of the transformer. One is a power supply for power IC(3pin), and another is a power supply for the control(5pin). +B for power IC +B for control section (3pins) (8pins) There are two power supply as the second power supply of the transformer.
SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cover (See Figs.1 and 2) (1) From the both sides of the main body, remove the four screws A attaching the top cover. (See Fig.1) Top cover (2) From the back side of the main body, remove the five screws B and screw C attaching the top cover.
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3.1.2 Removing the front panel assembly (See Figs.3 and 4) • Remove the top cover. (1) From the top side of the main body, remove the tie bands Front panel assembly bundling the wires. (See Fig.3.) Reference: OSD connect 2 board After reassembling, bundle the wires with the new tie Main amplifier board bands as before.
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3.1.3 Removing the rear panel (See Fig.5) • Remove the top cover. (1) From the back side of the main body, remove the strain re- Strain relief lief from the rear panel in the direction of the arrow and re- Rear panel move the power cord.
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3.1.8 Removing the power transformer (See Fig.7) • Remove the top cover. (1) From the top side of the main body, remove the tie bands bundling the wires. Trans primary Reference: board After reassembling, bundle the wires with the new tie Wire holder bands as before.
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3.1.12 Removing the PWM modulation 1 board (See Fig.9) • Remove the top cover. (1) From the top side of the main body, remove the tie band bundling the wires. PWM modulation 1 board Reference: After reassembling, bundle the wires with a new tie band as before.
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3.1.15 Removing the volume board (See Fig.11) • Remove the top cover and front video board. (1) From the back side of the main body, remove the five Wire holder board screws Q attaching the volume board to the rear panel. (2) Remove the screw R attaching the volume board.
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3.1.16 Removing the OSD board (See Fig.12) • Remove the top cover, front video board and volume board. (1) Remove the solder from the section j to remove the earth Primary board Support bracket wire. (2) Remove the screw T attaching the support bracket on the chassis base.
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3.1.19 Removing the DSP connect board (See Fig.14) • Remove the top cover, rear panel, tuner, compulink board, front video board, volume board and OSD board. Disconnect the DSP connect board from the input board in an up- Connect 1 board ward direction while releasing the claw p of the connector CN502...
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3.1.22 Removing the OSD connect 1 board (See Fig.16) • Remove the top cover and volume board. (1) Remove the tie band bundling the wires. (2) Disconnect the wire from the connector CN524 on the sub- OSD connect 1 woofer board. board (3) Disconnect the wire from the connector CN513...
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3.1.24 Removing the main amplifier board (See Figs.18 and 19) • Remove the top cover, tuner, front video board, volume board, DCDC control board, PWM modulation 1 board, PWM modu- Main amplifier board CN106 lation 2 board, OSD connect 1 board, OSD board and master clock board.
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3.1.25 Removing the regulator board (See Fig.20) • Remove the top cover, tuner, front video board, volume board, DCDC control board, PWM modulation 1 board, PWM modu- Main amplifier board lation 2 board, OSD connect 1 board, master clock board and Regulator board main amplifier board.
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Front panel assembly section • Remove the front panel assembly. (See "3.1.2 Removing the front panel assembly".) 3.2.1 Removing the JOG board (See Figs. 1 and 2) (1) From the inside of the front panel assembly, remove the four screws A attaching the JOG board. (See Fig.1.) Front panel assembly (2) Take out the JOG board while lifting it from the front panel CN913...
SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB383)1-19...
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Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB383) Printed in Japan...
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SCHEMATIC DIAGRAMS AUDIO / VIDEO CONTROL RECEIVER RX-D302B,RX-D301S CD-ROM No.SML200506 RX-D302B Area suffix J ---------------------------- U.S.A. C ------------------------- Canada RX-D301S Area suffix J ---------------------------- U.S.A. Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
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In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
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Block diagram CN509 Audio/Video signal input and system control section Master clock section Regulator, DC M_CLOCK Y/G OUT FREQ_CTRL IC211 to IC214 B-Y/B OUT,R-Y/R OUT IC530,IC533 Y OUT TA/TC_SDA IC561 Master clock GEN. TA/TC_SCL Y SEL. -B, -B+12V SY_OUT COLOR SC_OUT Q444,Q445 DECODER...
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lator, DC-DC converter and digital power amplifier section AMP_B AMP_B+12V PROTECT Q281 to Q286 PROTECTOR Lout_HP CTRL Rout_HP PWM modulator section FL,FR A.NFB_FL D.NFB_FL A.NFB_FR FRONT_L IC251 D.NFB_FR IC201 FRONT_R IC351 Speaker terminal section MODULATER A.NFB_FL,D.NFB_FL A.NFB_FR,D.NFB_FR Lout Rout A.NFB_C FRONT CENTER Cout...
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Standard schematic diagrams Primary section J / C LVA10579-13 L V A 1 0 5 7 9 - 1 2 P W 1 5 7 P W 1 5 6 C O M C N 2 1 1 Q G A 3 9 0 1 F 2 - 0 3 P W 1 5 5 P W 1 5 4 C O M...
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U S / U J LVA10579-13 L V A 1 0 5 7 9 - 1 2 1 7 V LVA10579-6 P W 5 7 P W 1 5 7 F C 1 1 5 F C 1 0 5 Q N G 0 0 2 0 - 0 0 1 Z Q N G 0 0 2 0 - 0 0 1 Z P W 5 6...
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Regulator and DC-DC converter section F R O M C N 2 0 6 O F L V A 1 0 5 7 9 - 1 3 FROM FW121 O (SHEET 1) (SHEET 1 LVA10578-1 C N 1 0 6 Q G A 3 9 0 1 C 1 - 0 8 R 1 0 4 R 1 0 5...
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OM FW121 OF LVA10579-5 (SHEET 1) C N 1 0 1 Q G A 2 0 0 1 C 1 - 0 4 (SHEET 4) C 1 1 0 3 0 . 1 / 1 0 0 D 1 1 0 1 D 1 1 0 5 3 0 P R A 2 0 - F C N .
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LVA10578-3 C1332 R1333 4.7k R1332 100k R1334 R1335 C1307 R1310 0.0022 LVA10579-7 R1311 MasterClock Block 2.2k C1309 100p IC211 SN74HCU04ANS-X R1314 100k C241 L i m i t e r L o w V & T h e r m a l R e g W a r n i n g L i m i t e r...
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USB wireless module connection and speaker terminal section RX-D30 RX-D301,D302 ONLY LVA10579-9 S T 2 9 5 C 2 9 5 C 2 9 6 2 2 0 p 2 2 0 p F R O N T R 1 2 9 5 U N F R Y 2 9 5 ( 1 / 4 W )
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RX-D301,D302 ONLY T O C N 6 6 2 O F L V A 1 0 5 7 7 - 5 T O C N 6 6 2 O F L V A 1 0 5 8 4 - 5 ( S H E E T 1 0 ) S W 1 1 C N 1 1...
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Audio / Video signal input and system control section T O C N 6 8 1 O F L V A 1 0 5 7 7 - 5 ( S H E E T 1 0 ) J,C,US,UP,UF,UJ,A T O C N 6 8 2 O F L V A 1 0 5 7 7 - 5 T O C N 5 1 3 O F L V A 1 0 5 7 7 - 3 TO TUNER ( S H E E T 1 0 )
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L V A 1 0 5 7 7 - 3 C N 5 0 3 R 6 5 7 6 1 0 k R 6 5 9 4 1 0 k C N 5 0 9 + 1 2 V ( R E L A Y ) D .
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Audio / Video signal input section J,C,US,UP,UF,UJ,A LVA10577-1 C 4 5 0 1 C 4 5 0 2 C 4 5 0 3 Q N N 0 6 8 1 - 0 0 1 0 . 1 / 1 6 0 .
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(SHEET 6) (SHEET 6) S C _ O U T S Y _ O U T RX-D301,D302 J,C ONLY R 5 5 6 8 2 . 2 k R 5 5 6 9 2 . 2 k R 5 5 6 5 2 .
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Y/C separate section J,C,US,UP,UF,UJ,A LVA10577-2 L 4 5 0 4 L 4 5 0 2 L 4 5 0 3 1 0 u 1 0 u 1 0 u C 4 5 4 6 R 4 5 8 0 1 0 0 / 1 0 I C 5 5 1 T C 9 0 A 4 9 P C 4 5 4 7...
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L 4 5 0 5 1 0 u C 4 5 6 5 8 2 p R 4 5 9 6 R 4 5 8 7 L 4 5 0 6 6 . 8 u 3 9 0 I C 5 5 1 T C 9 0 A 4 9 P C 4 5 6 4 Y O U T...
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Volume section LVA10577-3 LVA10584-3 C N 5 2 1 D S P _ R D S P _ L D S P _ S W D S P _ S R D S P _ S L D S P _ C D S P _ S B R D S P _ S B L C N 5 1 3...
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C 5 5 1 1 0 / 5 0 R 1 5 0 3 R 1 5 0 5 1 0 k R 1 5 2 9 0 . 6 V C 5 6 1 1 0 0 k Q 5 1 3 6 8 0 p 2 S C 3 5 7 6 - J V C - T R 1 5 0 6...
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DSP and digital signal input terminal section L V A 1 0 5 7 7 - 5 L V A 1 0 5 8 4 - 5 R 2 0 0 7 1 2 . 9 V 2 2 k L I N - C 2 0 1 3 R 2 0 2 2...
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T P 1 K 2 8 6 1 R 2 8 6 1 D I G I T A L I N 1 N Q R 0 2 6 9 - 0 0 4 X 2 2 0 R X 0 J 6 8 1 Q N N 0 4 8 1 - 0 0 1 C 2 8 8 1...
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User control keys, system control and FL display section C 9 1 1 4 . 7 / 5 0 R A 9 0 1 R A 9 0 2 R A 9 0 3 FL DISPLAY D I 9 0 1 FROM CN351 OF LVA10478-1 (SHEET 4) LVA10577-4...
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LVA10579-2 J S 9 0 1 J S 9 0 2 C 9 1 0 4 . 7 / 5 0 R A 9 0 1 C 9 1 2 C 9 1 3 C 9 1 5 0 . 1 0 .
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Printed circuit boards Front board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (DCDC control board) D1172 R1163 R1175 D1152 Q1176 R1161 C1172 D1151 Q1171 IC112 Q1172 IC113 IC121 R1159 R1162 Q1151 R1180 C1174 C1181 C1182...
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Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB383SCH)
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PARTS LIST [ RX-D302B ] [ RX-D301S ] * All printed circuit boards and its assemblies are not available as service parts. RX-D302B Area suffix J ----------------------------- U.S.A. C -------------------------- Canada RX-D301S Area suffix J ----------------------------- U.S.A. - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
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Exploded view of general assembly and parts list Block No. Master clock board Wire holder board Regulator board moudulation 1 board Main amplifier board FL board OSD connect 2 board DCDC control board JOG board...
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Block No. [M]1][M][M] Symbol No. Part No. Part Name Description Local LV11052-018A FRONT PANEL D301SJ LV11052-019A FRONT PANEL D302BC,D302BJ LV43338-002A JVC MARK LV43622-002A FOOT (x2) LV35714-001A SOURCE INDICATO LV21918-003A LIGHT LENS LV30225-0P9A SPACER (x2) LV36119-001A FRONT LENS D301SJ LV36119-002A...
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Symbol No. Part No. Part Name Description Local QYSBSGY3008EA TAP SCREW M3 x 8mm(x3) QYSBSGY3008EA TAP SCREW M3 x 8mm(x4) QYSBSGY3008EA TAP SCREW M3 x 8mm(x11) LV30225-0X7A SPACER QYSBST3006ZA TAP SCREW M3 x 6mm QYSBSGY3008EA TAP SCREW M3 x 8mm(x5) QYSBSGY3008EA TAP SCREW M3 x 8mm...
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Electrical parts list Front board Symbol No. Part No. Part Name Description Local Block No. [0][1] C241 NCB31CK-104X C CAPACITOR 0.1uF 16V K Symbol No. Part No. Part Name Description Local C242 NDC31HJ-471X C CAPACITOR 470pF 50V J C243 NDC31HJ-471X C CAPACITOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R242 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J R1174 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J R243 NRSA63J-105X MG RESISTOR 1MΩ 1/16W J R1175 NRSA63J-222X MG RESISTOR 2.2kΩ...
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Amplifier board Symbol No. Part No. Part Name Description Local Block No. [0][2] D102 1A3G-T1 SI DIODE Symbol No. Part No. Part Name Description Local D103 1A3G-T1 SI DIODE D104 1A3G-T1 SI DIODE D106 MTZJ6.2B-T2 Z DIODE IC101 IRS2011S-X...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C161 QETN1CM-477Z E CAPACITOR 470uF 16V M C369 QFVM2AJ-104Z MF CAPACITOR 0.1uF 100V J C162 QETN1CM-107Z E CAPACITOR 100uF 16V M C370 NCB31HK-102X C CAPACITOR 1000pF 50V K...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C871 NCZ1061-104X C CAPACITOR 0.1uF C1323 NCB31CK-105X C CAPACITOR 1uF 16V K C872 NCZ1061-104X C CAPACITOR 0.1uF C1324 NCB31CK-104X C CAPACITOR 0.1uF 16V K C873 QETN1HM-227Z E CAPACITOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R173 QRK126J-4R7X UNF C RESISTOR 4.7Ω 1/2W J R319 QRJ146J-100X UNF C RESISTOR 10Ω 1/4W J R174 QRK126J-103X UNF C RESISTOR 10kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R834 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R1307 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J R835 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1308 NRSA63J-104X MG RESISTOR 100kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local Q542 KTC3199/GL/-T TRANSISTOR D508 1N4448WS-X SI DIODE Q1501 2SC2412K/RS/-X TRANSISTOR D509 1N4448WS-X SI DIODE Q2101 2SD2114K/VW/-X TRANSISTOR D510 1N4448WS-X SI DIODE Q2102 2SD2114K/VW/-X TRANSISTOR D9001...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C2019 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2435 QFN31HJ-333Z M CAPACITOR 0.033uF 50V J C2020 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2449 QETN1EM-475Z E CAPACITOR 4.7uF 25V M...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C2818 NCB31HK-103X C CAPACITOR 0.01uF 50V K C4594 QETN1HM-106Z E CAPACITOR 10uF 50V M C2819 NCB31AK-224X C CAPACITOR 0.22uF 10V K C4595 QEKC1HM-475Z E CAPACITOR 4.7uF 50V M...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C6556 NCB31CK-105X C CAPACITOR 1uF 16V K R1524 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C6557 NCB31CK-105X C CAPACITOR 1uF 16V K R1525 NRSA63J-103X MG RESISTOR 10kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2139 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R2411 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R2140 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R2412 NRSA63J-473X MG RESISTOR 47kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2671 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J R2922 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R2673 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2930 NRSA63J-0R0X MG RESISTOR 0Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R5582 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R6580 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R5583 NRSA63J-561X MG RESISTOR 560Ω 1/16W J R6581 NRSA63J-133X MG RESISTOR 13kΩ...
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Symbol No. Part No. Part Name Description Local EP901 QNZ0136-001Z EARTH PLATE FL501 QQR1372-001 FL502 QQR1372-001 FW501 WJS0048-003A-E E-FL/RB WIRE J681 QNN0481-001 SURROUND JACK J901 QNS0247-001 JACK J903 QNZ0522-001 USB CONNECTOR J4503 QNN0681-001 PIN JACK J6501 QNN0476-001 PIN JACK J6502 QNN0476-001 PIN JACK...
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Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available 3-22...
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Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local LVT1321-002A INST BOOK ENG FRE D302BC LVT1321-001A INST BOOK D301SJ,D302BJ LV44373-001A CUSTOM PARTS D301SJ,D302BJ LV44390-001A CUSTOM PARTS D301SJ,D302BJ LV44395-001A CUSTOM PARTS D301SJ,D302BJ QAL0457-001 ANT.WIRE QAL0476-002 AM LOOP ANT BT-51034-2 REGISTRATION CARD...