SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER MB448 2005 RX-D402B, RX-D401S 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............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
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SPECIFICATION Amplifier Output Power At stereo operation Front channels 110 W per channel, min. RMS, driven into 6 Ω at 20 Hz to 20 kHz with no more than 0.8% total harmonic distortion. At surround operation Front channels 110 W per channel, min. RMS, driven into 6 Ω...
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 4 A/125 V for F101, 4 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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3.1.3 Removing the front panel assembly (See Figs.4 and 5) • Remove the top cover and HDMI board. (1) From the top side of the main body, remove the tie band bundling the wires. (See Fig.4.) Reference: Main amplifier board CN102 After reassembling, bundle the wires with a new tie band as before.
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3.1.4 Removing the rear panel (See Fig.6) • Remove the top cover. (1) From the back side of the main body, remove the strain re- Strain relief Rear panel lief from the rear panel in the direction of the arrow and re- move the power cord.
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3.1.8 Removing the compulink board (See Fig.8) • Remove the top cover and HDMI board. (1) From the top side of the main body, disconnect the wire Wire holder from the connector CN565 on the compulink board. Primary board Chassis base (2) From the back side of the main body, remove the screw P attaching the compulink board to the rear panel and take R' R...
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3.1.10 Removing the power transformer (See Fig.9) • Remove the top cover. (1) From the top side of the main body, remove the tie band Wire holder Wire holders Trans primary bundling the wires. board CN106 CN111 Reference: After reassembling, bundle the wires with a new tie band as before.
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3.1.13 Removing the DCDC control board (See Fig.10) • Remove the top cover. From the top side of the main body, disconnect the DCDC control DCDC control board board from the main amplifier board in an upward direction while releasing the claw g of the connector CN152 on the main ampli- fier board.
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3.1.16 Removing the cooling fan (See Fig.12.) • Remove the top cover. (1) Disconnect the wire from the connector CN103 on the main Cooling fan assembly amplifier board. Wire holder CN103 (2) Remove the screw T and screw T'. Reference: When attaching the screw T', attach the wire holder with (3) Take out the cooling fan assembly.
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3.1.18 Removing the DSP connect board (See Fig.14) • Remove the top cover, tuner and DSP board. (1) Disconnect the wire from the connector CN209 on the DSP connect OSD connect 1 speaker terminal 2 board. board board (2) Disconnect the DSP connect board from the input board in an upward direction while releasing the claw k of the con- nector CN502...
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3.1.21 Removing the master clock board (See Fig.16) • Remove the top cover, tuner, DSP board, PWM modulation 1 board, PWM modulation 2 board and OSD connect 1 board. Transistor hold (1) From the top side of the main body, remove the tie band Tie band bundling the wires.
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3.1.23 Removing the main amplifier board (See Figs.18 and 19) • Remove the top cover, HDMI board, front panel assembly, tun- er, DSP board, DCD control board, PWM modulation 1 board, PWM modulation 2 board, OSD connect 1 board and master Main amplifier board clock board.
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3.1.24 Removing the regulator board (See Fig.20) • Remove the top cover, HDMI board, front panel assembly, tun- er, DSP board, DCD control board, PWM modulation 1 board, Main amplifier board PWM modulation 2 board, OSD connect 1 board, master clock Regulator board board and main amplifier board.
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Front panel assembly section • Remove the front panel assembly. (See "3.1.3 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.MB448)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.MB448) Printed in Japan...
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SCHEMATIC DIAGRAMS AUDIO / VIDEO CONTROL RECEIVER RX-D402B,RX-D401S CD-ROM No.SML200509 Area suffix J ---------------------------- U.S.A. Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams 2-25 to 36 Printed circuit boards No.MB448SCH...
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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.
Block diagram Audio/Video signal input and system Master clock section control section M_CLOCK FREQ_CTRL IC211 to IC214 IC530 Y OUT Master clock GEN. Y SEL. -B, -B+12V Q444,Q445 -B+12V REG IC531 PB OUT PB SEL. Master volume section IC532 PR OUT SUBWFR SUBWOOFER VCR IN...
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Standard schematic diagrams Primary section 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 J K 0 1 2 - 0 3 4 0 0 3 - E P W 1 5 5 P W 1 1 C 1 2 1...
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V O L T A G E M E A S U R E M E N T C O N D I T I O N P O W E R O N S O U R C E F M ( N O S I G N A L ) S U R R O U N D O F F V O L U M E 0 SHEET...
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Regulator and DC-DC converter section TO CN206 TO F (SHEET 1) (SHE 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 D + 5 V _ M i U N F U N F D G N D...
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TO FW121 (SHEET 1) C N 1 0 1 Q G A 2 0 0 1 C 1 - 0 4 C 1 1 3 6 0 . 1 / 2 5 0 C 1 1 3 5 0 . 1 / 2 5 0 C 1 1 0 3 0 .
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PWM modulator and master clock section LVA10578-2 C 1 3 3 2 R 1 3 3 3 R 3 3 3 C 3 3 2 3 3 p 4 . 7 k 4 . 7 k 3 3 p C 1 3 3 1 R 1 3 3 1 C 3 3 1 R 3 3 1...
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LVA10578-3 LVA10579-7 M a s t e r C l o c k B l o c k C 1 3 0 9 1 0 0 p I C 2 1 1 S N 7 4 H C U 0 4 A N S - X R 1 3 1 4 1 0 0 k 8 1 7...
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Digital power amplifier and speaker terminal section LVA10478-1 R 2 6 9 4 . 7 k C 2 7 3 A . N F B _ F L D 2 5 1 2 2 0 / 5 0 FRONT_L 1 S S 1 3 3 - T 2 R 2 5 4 I C 2 5 1 C 2 7 1...
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C 2 8 3 1 0 / 5 0 Q 2 8 2 K R A 1 0 2 M - T Q 2 8 4 K T A 1 2 6 8 / G L / - T C 2 8 2 4 7 / 1 6 Q 2 8 5 K T C 3 1 9 9 / G L / - T...
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Audio/Video signal input and system control section TO CN602 OF LVA10599-6 T O T U N E R TO CN513 OF LVA10599-3 TO CN682 OF LVA10602-1 (SHEET 7) (SHEET 9) (SHEET 7) 1 0 1 1 1 2 1 3 1 4 C N 5 0 1 C N 5 0 3 LVA10599-1...
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1 1 2 1 3 1 4 C N 5 0 3 Q J K 0 0 2 - 1 4 1 8 0 4 - E SYSTEM CONTROL T P 3 C N 5 0 6 Q G B 1 2 2 4 J 1 - 1 5 R 6 5 7 6 1 0 k R 5 2 1...
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Component video input section LVA10599-1 VCR IN C 4 5 0 1 C 4 5 0 2 R 4 5 4 1 R 4 5 4 2 R 4 5 4 3 0 . 1 / 1 6 0 . 1 / 1 6 C 4 5 8 0 C 4 5 8 1 C 4 5 8 2...
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(SHEET 5) Q 4 5 0 2 K T A 1 2 6 7 / Y G / - T C 4 5 0 3 0 . 1 / 1 6 R 4 5 0 4 I N 1 O U T G N D Q 4 5 0 3 V C C...
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Master volume section LVA10599-3 C N 5 1 3 Q G A 2 5 0 1 F 1 - 1 4 C 5 5 1 1 0 / 5 0 R 1 5 0 3 I N P _ L E V E L S _ M U T E S B W R _ M U T E R 1 5 2 9...
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TO CN209 OF LVA10579-8 (SHEET 4) C N 5 0 9 LVA10599-6 Q J K 0 0 2 - 0 6 2 0 0 1 - E C N 5 1 6 Q G B 1 2 2 4 K 1 - 1 5 R 1 5 0 5 1 0 k 0 .
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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 3 R A 9 0 2 R A 9 0 1 N . I . N . I . N .
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LVA10579-2 J S 9 0 1 J S 9 0 2 Q S W 1 1 2 9 - 0 0 1 Q S W 1 1 2 9 - 0 0 1 C 9 1 0 4 . 7 / 5 0 C 9 1 2 C 9 1 3 C 9 1 5...
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DSP and digital signal input terminal section TO CN732 (S CN652 QGF1038F1-11X TP_10 R2007 C2013 R2022 LIN- C2009 HDMI_MUTE TP_11 C2005 C2001 R2003 B601 R2013 C2019 DSP_IN_L 4.7/25 B603 R2011 R2839 IC601 R2838 NJM4565M-WE R2021 LIN+ IC602 C2834 NJM4565M-WE C2020 C2003 R2001 C2010...
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HDMI RX, TX and micom section Q 3 1 1 2 2 S D 6 0 1 A / R S / - X C 3 1 1 1 R 3 1 4 2 0 . 1 4 7 k Q 3 1 1 1 2 S D 6 0 1 A / R S / - X R 3 3 6 1 4 .
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(SHEET 11) (SHEET 11) F R O M F L I 2 3 1 0 F R O M B U F F E R (SHEET 11) I C 7 4 3 S N 7 4 C B T L V 1 6 2 1 0 X K3431 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 R 3 4 3 1...
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HDMI ADC and i/p converter section R E G U L A T O R 2 A D / I P / M I C O N 1 . 8 V , 3 . 3 V M I C O N 3 . 3 V I C 7 9 2 B A 3 2 5 9 H F P - W T P 9 0 4...
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1 3 . 5 M H z C3841 R3828 470k C3801 C3802 47/6.3 47/6.3 X781 C3842 NAX0394-001X C3835 C3834 C3806 C3829 C3805 C3833 C3832 C3831 C3830 C3828 C3827 C3826 C3837 C3836 C3807 C3803 C3804 B U S _ S W 2 (SHEET 10) H S Y N C 1 _ P O R T 1 R A 7 8 1...
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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.MB448SCH)
PARTS LIST [ RX-D401S ] [ RX-D402B ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Electrical parts list (Block No.01~05)
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Exploded view of general assembly and parts list Block No. Master clock board Wire holder board moud Regulator board board moudulation 1 board ee nn 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 LV11052-014A FRONT PANEL D401SJ LV11052-015A FRONT PANEL D402BJ LV43338-002A JVC MARK LV43622-002A FOOT (x2) LV35714-001A SOURCE INDICATO LV21918-003A LIGHT LENS LV30225-0P9A SPACER (x2) LV36119-001A FRONT LENS D401SJ LV36119-002A...
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Symbol No. Part No. Part Name Description Local QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQR0491-001 FERRITE CORE TDK (GRAY) QQT0494-001...
Electrical parts list Front board Symbol No. Part No. Part Name Description Local Block No. [0][1] C243 NDC31HJ-471X C CAPACITOR 470pF 50V J Symbol No. Part No. Part Name Description Local C244 NDC31HJ-471X C CAPACITOR 470pF 50V J C245 NDC31HJ-471X C CAPACITOR...
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 R1295 QRJ146J-470X UNF C RESISTOR 47Ω 1/4W J R243 NRSA63J-105X MG RESISTOR 1MΩ 1/16W J ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local IC461 IRS20124S-X D119 UF304G-F82 FR DIOAE IC801 JCV8015-X D120 UF304G-F82 FR DIOAE IC851 IRS20124S-X D152 1SS133-T2 SI DIODE D153 MTZJ13B-T2 Z DIODE...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C176 QETN1HM-106Z E CAPACITOR 10uF 50V M C401 QEKC1HM-106Z E CAPACITOR 10uF 50V M C201 QEKC1HM-106Z E CAPACITOR 10uF 50V M C402 NCB31HK-471X C CAPACITOR 470pF 50V K...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C1102 QFKC2AJ-224Z MM CAPACITOR 0.22uF 100V J C1307 NCB31HK-222X C CAPACITOR 2200pF 50V K C1103 QFKC2AJ-224Z MM CAPACITOR 0.22uF 100V J C1308 NCB31AK-105X C CAPACITOR 1uF 10V K...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R161 QRJ146J-4R7X UNF C RESISTOR 4.7Ω 1/4W J R306 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J R162 QRJ146J-222X UNF C RESISTOR 2.2kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R808 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R1265 NRS125J-220X MG RESISTOR 22Ω 1/2W J R809 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1266 QRL01DJ-220X OMF RESISTOR 22Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local Q6537 KRC102S-X DIGI TRANSISTOR C4502 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z Q6538 KRC102S-X DIGI TRANSISTOR C4503 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z Q6541 KTA1267/YG/-T TRANSISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R521 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1565 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R522 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R1567 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 R6527 NRSA63J-620X MG RESISTOR 62Ω 1/16W J CN531 QGA2001C1-09 CONNECTOR W-B (1-9) R6529 NRSA63J-750X MG RESISTOR 75Ω 1/16W J CN540 QGA2001C1-06 CONNECTOR W-B (1-6) R6530 NRSA63J-750X...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C3303 NCB21AK-225X C CAPACITOR 2.2uF 10V K C3614 NCB31CK-104X C CAPACITOR 0.1uF 16V K C3304 NCB21AK-225X C CAPACITOR 2.2uF 10V K C3701 NEAF0JM-476X E CAPACITOR 47uF 6.3V M...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C3852 NCB21AK-225X C CAPACITOR 2.2uF 10V K R3222 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C3853 NCB21AK-225X C CAPACITOR 2.2uF 10V K R3231 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 R3562 NRSA63J-100X MG RESISTOR 10Ω 1/16W J R3723 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R3563 NRSA63J-100X MG RESISTOR 10Ω 1/16W J R3726 NRSA63J-220X MG RESISTOR 22Ω...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local K3501 NQR0489-001X FERRITE BEADS Q2501 2SD2114K/VW/-X TRANSISTOR K3502 NQR0489-001X FERRITE BEADS Q2502 2SD2114K/VW/-X TRANSISTOR K3503 NQR0489-001X FERRITE BEADS Q2701 UN2214-X TRANSISTOR K3504 NQR0489-001X FERRITE BEADS Q2702...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C2250 NEAF1HM-225X E CAPACITOR 2.2uF 50V M C2603 NEAF0JM-107X E CAPACITOR 100uF 6.3V M C2251 NEAF1AM-107X E CAPACITOR 100uF 10V M C2604 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C2871 NDC31HJ-121X C CAPACITOR 120pF 50V J R2130 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J C2881 NCB31CK-103X C CAPACITOR 0.01uF 16V K R2131 NRSA63J-333X MG RESISTOR 33kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2268 NRSA63J-163X MG RESISTOR 16kΩ 1/16W J R2584 NRSA63J-181X MG RESISTOR 180Ω 1/16W J R2269 NRSA63J-362X MG RESISTOR 3.6kΩ 1/16W J R2585 NRSA63J-562X MG RESISTOR 5.6kΩ...
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Symbol No. Part No. Part Name Description Local R2783 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R2784 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R2801 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R2802 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R2803 NRSA63J-101X MG RESISTOR 100Ω...
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Packing materials and accessories parts list Block No. A1,A2,A3,A4, A5,A6, 3-26...
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Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local LVT1436-001A INST BOOK LVT1487-001A INST BOOK QAL0457-001 ANT.WIRE QAL0476-002 AM LOOP ANT BT-51034-2 REGISTRATION CARD YU20333 SAFETY INST. RM-SRXD401J REMOCON --------------- BATTERY (x2) LVT1490-001A NOTICE SHEET LV22192-001A CARTON BOX D401SJ...