SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER MB303 2004 RX-8040B Area suffix UJ ---------------------- U.S.Military TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
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SPECIFICATION Amplifier Ω Output Power At Stereo Operation Front Channel 100 W*1 per channel, min. RMS, driven into 8 at 1 kHz with no more than 0.8% total harmonic distortion (IEC268-3/DIN). Ω At Surround Opera- Front Channel 100 W*1 per channel, min. RMS, driven into 8 at 1 kHz, with no more than 0.8% total tion harmonic distortion.
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...
SECTION 3 DISASSEMBLY Removing the top cover (See Fig.1) (1) From the both sides of the main body, remove the four Top cover screws A attaching the top cover. (2) From the back side of the main body, remove the three screws B attaching the top cover.
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Removing the I/O board (See Fig.4) • Prior to performing the following procedures, remove the top Surround back board Front board(L) Center board cover and rear panel. Front (1) From the top side of the main body, remove the two plastic CN717 CN714 board(R)
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Removing the front panel assembly (See Figs.5 and 6) • Prior to performing the following procedures, remove the top Front panel assembly Earth wire cover, rear panel and I/O board. Earth wire (1) From the top side of the main body, remove the tie bands bundling the wires.
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Removing the tuner, DSP board, Audio board, Audio2 board, Video board and S-Video board (See Fig.7) • Prior to performing the following procedures, remove the top Card wire CN206 CN244 Tuner cover, rear panel and I/O board. (1) From the top side of the main body, cut off the tie band bun- dling the wire.
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Removing the speaker board (See Fig.9) • Prior to performing the following procedures, remove the top Micon board Main board Tie band cover, rear panel. CN931 CN932 (1) From the top side of the main body, remove the tie band bundling the wires.
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3.10 Removing the heat sink (See Figs.11 and 12) • Prior to performing the following procedures, remove the top Main board Heat sink cover and main board. (1) From the reverse side of the main board, remove the two screws Q attaching the main board to the heat sink. (See Fig.11) (2) Disconnect the connectors (CN701...
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3.12 Removing the voltage selector board (See Fig.14 and 15) • Prior to performing the following procedures, remove the top cover. (1) From the back side of the main body, remove the two screws S attaching the voltage board. (See Fig.14) (2) Remove the solders from the soldered sections b on the power transformer board 2 and remove the wires of the voltage selector board.
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3.13 Removing the power transformer (See Fig.16) • Prior to performing the following procedures, remove the top Tie band CN811 CN55 cover. (1) From the top side of the main body, remove the tie band bundling the wires. (2) Disconnect the wire from the connectors (CN55 CN811) on the power transformer board 1.
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3.15 Removing the power supply board (See Fig.17) • Prior to performing the following procedures, remove the top Power supply board Card wire Headphone cover. jack board Tie band (1) From the top side of the main body, disconnect the parallel wire from the connector CN55 on the power transformer...
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3.19 Removing the front key & system control board, front video board (See Figs.20 to 23) • Prior to performing the following procedures, remove the top Front panel assembly cover, rear panel, I/O board, front panel assembly, switch Volume knob board and power switch board.
SECTION 4 ADJUSTMENT Test mode (1) Unplug the power plug. (2) Insert power plug into outlet while pressing both "PRESET UP" key and "MIDLIGHT" key of the main body. (3) Then, all segment of the FL display is blinking for 5 seconds, and tuner AM step is switching 9kHz. (4) The high-speed of volume is checked by remote controller in the test mode.
SECTION 5 TROUBLESHOOTING Self-diagnose function This model incorporates the following self-diagnostic functions. 5.1.1 Starting of self-diagnostic mode • Insert power plug into outlet while pressing both "PRESET UP" key and "INPUT ANALOG" key of the main body. Then, "Self-diagnostic mode" starts. 5.1.2 Displaying of state •...
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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.MB303) Printed in Japan...
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SCHEMATIC DIAGRAMS AUDIO/VIDEO CONTROL RECEIVER RX-8040B CD-ROM No.SML200407 Area suffix UJ ---------------------- U.S.Military Contents Block diagram 2-2 to 11 Standard schematic diagrams 2-12 to 20 Printed circuit boards No.MB303SCH COPYRIGHT 2004 Victor Company of Japan, Limited. 2004/7...
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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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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.MB303SCH)
PARTS LIST [ RX-8040B ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UJ --------------------- U.S.Military - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Electrical parts list (Block No.01~06)
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Exploded view of general assembly and parts list Block No. Power trans board Power trans board Relay board Power switch board Headphone jack board Power supply board HS51 p,q, BK401 96 94 BK400 Switch board Front video board Front key & System control board...
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Voltage selector board Power trans board Compulink board Power trans Power/Fuse I/O board board board Stopper board Stopper Speaker board board HS961 y board HS921 HS971 Micon board Main board er supply board HS951 41 41 oard...
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General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local LV10469-033A FRONT PANEL LV43338-001A JVC MARK LV21438-002A LENS LV10767-006A SUB PANEL LV34032-005A CONTROL PLATE LV21437-005A SEALING DOOR LV34086-001A DOOR COVER QYSPSGU2030MA TAP SCREW M2 x 3mm(x3)
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Symbol No. Part No. Part Name Description Local QMPK250-205-JV POWER CORD(EU) 2.05m BLACK QZW0033-001 STRAIN RELIEF LV20038-015A TOP COVER LV30225-088A SPACER LV30077-004A PROTECT SHEET QYSBSGY3008MA TAP SCREW M3 x 8mm(x3) E406308-003 SPECIAL SCREW (x4) LV43463-001A VOL KNOB ASSY LV43458-001A JOG KNOB ASSY QMF51W2-3R15-J8...
Electrical parts list Main board Symbol No. Part No. Part Name Description Local Block No. [0][1] C883 QDGB1HJ-102Y C CAPACITOR 1000pF 50V J Symbol No. Part No. Part Name Description Local C884 QDGB1HJ-102Y C CAPACITOR 1000pF 50V J C885 QFVF1HJ-473Z MF CAPACITOR...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local CN704 QGB2510J1-10 CONNECTOR B-B (1-10) C413 NCB31CK-104X C CAPACITOR 0.1uF 16V K CN705 QGB2510J1-12 CONNECTOR B-B (1-12) C414 NCB31CK-104X C CAPACITOR 0.1uF 16V K CN706 QGB2510J1-12 CONNECTOR...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R483 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J Q905 KRC105M-T DIGI TRANSISTOR R484 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J Q906 KRC105M-T DIGI TRANSISTOR R485 NRSA63J-103X MG RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C926 NCB31HK-221X C CAPACITOR 220pF 50V K R948 NRSA63J-221X MG RESISTOR 220Ω 1/16W J C927 NCB31HK-221X C CAPACITOR 220pF 50V K R949 NRSA63J-221X MG RESISTOR 220Ω...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local FC62 QNG0020-001Z FUSE CLIP Q1871 KTC3200/GL/-T TRANSISTOR FC63 QNG0020-001Z FUSE CLIP Q1872 KTC3200/GL/-T TRANSISTOR FC64 QNG0020-001Z FUSE CLIP Q1873 KTA1268/GL/-T TRANSISTOR FW51 QUM215-10DGZ4 PARA RIBON WIRE Q1874...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C1702 QCS31HJ-101Z C CAPACITOR 100pF 50V J R717 QRJ146J-562X UNF C RESISTOR 5.6kΩ 1/4W J C1703 QCS31HJ-221Z C CAPACITOR 220pF 50V J R718 QRJ146J-562X UNF C RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R1804 QRE141J-563Y C RESISTOR 56kΩ 1/4W J VR787 QVP0008-501Z TRIM RESISTOR 500Ω R1805 QRE141J-202Y C RESISTOR 2kΩ 1/4W J VR788 QVP0008-501Z TRIM RESISTOR 500Ω...
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DIGI TRANSISTOR C244 QCF31HZ-103Z C CAPACITOR 0.01uF 50V Z Q254 KTA1267/YG/-T TRANSISTOR C245 QETN0JM-477Z E CAPACITOR 470uF 6.3V M Q301 2SC3576-JVC-T TRANSISTOR C246 QCF31HZ-103Z C CAPACITOR 0.01uF 50V Z Q302 2SC3576-JVC-T TRANSISTOR C247 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q303...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C399 QETN1CM-226Z E CAPACITOR 22uF 16V M C1386 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C1201 NCB31HK-102X C CAPACITOR 1000pF 50V K C1387 NDC31HJ-100X C CAPACITOR 10pF 50V J...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R251 NRSA63J-750X MG RESISTOR 75Ω 1/16W J R392 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R252 NRSA63J-680X MG RESISTOR 68Ω 1/16W J R394 NRSA63J-102X MG RESISTOR 1kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R1332 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R1455 NRSA63J-512X MG RESISTOR 5.1kΩ 1/16W J R1333 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R1456 NRSA63J-512X MG RESISTOR 5.1kΩ...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local J1203 QNS0089-001 3.5 JACK C2019 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z J1360 QNN0548-001 4PIN JACK ASSY C2020 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z J1380 QNN0600-001 PIN JACK...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C2435 NFV41HJ-333X MPPS CAPACITOR 0.033uF 50V J C2665 NCB31CK-103X C CAPACITOR 0.01uF 16V K C2449 NEA71EM-475X E CAPACITOR 4.7uF 25V M C2666 NCB31CK-103X C CAPACITOR 0.01uF 16V K...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2004 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R2226 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J R2007 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R2227 NRSA63J-332X MG RESISTOR 3.3kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2614 NRSA63J-470X MG RESISTOR 47Ω 1/16W J R2862 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J R2621 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R2863 NRSA63J-392X MG RESISTOR 3.9kΩ...
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Packing materials and accessories parts list Block No. A4, A5, A6, A7, A8, A9, A10 3-22...
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Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local RM-SRX8040J REMOCON LV42570-001A SHEET LV30256-007A SHEET ------------ BATTERY (x2) LVT1198-003A 8040 INST QAL0236-001 ANTENNA QAL0219-001 LED CABLE ASSY EWP503-001C ANT.WIRE QAL0014-001 AM LOOP ANT A 10 QAM0112-002 PLUG ADAPTOR ...