SERVICE MANUAL AUDIO/VIDEO CONTROL AMPLIFIER MB177 2004 AX-V8000 Area suffix UP --------------------------- Korea LEARN TRANSMIT STANDBY ZONE 1 ZONE 2 ZONE 1 ZONE 2 TV/CATV/DBS VCR 1 ON/OFF ON/OFF STANDBY/ON STANDBY/ON ZONE 1 ZONE 2 LEARN DVD MULTI PHONO TAPE/MD...
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 Main body section 3.1.1 Removing the top cover (See Fig.1) (1) From the top sides of the main body, remove the nine Side panel (R) Side panel (L) screws A attaching the top cover. Top cover (2) From the back side of the main body, remove the three screws B attaching the top cover.
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3.1.3 Removing the front panel assembly (See Figs.3 to 6) • Prior to performing the following procedure, remove the top Front panel assembly cover, side panels and stay bkt. (1) From the top side of the main body, cut off the tie band fixing the wire.
3.1.4 Removing the rear panel (See Fig.7) • Prior to performing the following procedure, remove the top AC inlet cover, side panels and stay bkt. (1) From the top side on the main body, remove the protect Black cover and the solders from the two solder points on the AC Solder part inlet.
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3.1.7 Removing the system control board (See Figs.10 and 11) • Prior to performing the following procedure, remove the top Power 2 board CN45 Tie bands cover, side panels, stay bkt and front panel assembly. (1) From the top side of the main body, cut off the tie bands fixing the wires.
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3.1.9 Removing the audio signal 1 board (See Fig.13) • Prior to performing the following procedure, remove the top Plastic rivet CN224 CN218 cover, side panels, stay bkt, front panel assembly and rear CN234 CN208 CN223 panel, DSP 1 board, DSP 2 board and shield cover. (1) From the top side of the main body, disconnect the wires from the connectors CN202, CN204, CN234, CN224, CN208,...
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3.1.11 Removing the main board (See Figs.16 and 17) • Prior to performing the following procedure, remove the top Regulator board Power 2 board cover, rear panel, front panel assembly, Y/C separator board, CN11 CN62 CN44 DSP 1 board, DSP 2 board, shield cover, audio signal 1 board, audio signal 2 board, video board, S video board, component video board and D5 video board.
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3.1.14 Removing the power transformer 1 with the power 2 board (See Fig.19) • Prior to performing the following procedure, remove the top Power transformer 1 Power 2 board cover, side panels, stay bkt and regulator board. (1) From top side of the main body, disconnect the wire from the connector CN46 CN47...
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3.1.17 Removing the power transformer 3 with the power 1 board (See Fig.22) • Prior to performing the following procedure, remove the top Power transformer 3 cover, side panels, stay bkt, regulator board, power Power 1 board transformer 1 and power transformer 2. (1) From the top side of the main body, disconnect the wire CN41 from the connector...
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3.1.19 Removing the head phone board (See Figs.24 and 25) • Prior to performing the following procedures, remove the top cover, side panels, stay bkt and front panel assembly. (1) From the top side of the main body, disconnect the wires Lug wire Bracket from the connector...
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Power amp. assembly section • Remove the power amp. assembly from the main body. (See "Removing the power amp. assembly".) 3.2.1 Removing the relay board & Rch amp. board & Lch amp. board & Cch amp. board & SL/SRch amp. board (See Figs.1 to 3) (1) From the top side of the amp.
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3.2.2 Removing the thermal SW 2 board (See Fig.4) • Prior to performing the following procedure, remove the relay board and the each amp. board of Lch, Cch, SL/SRch, Rch. Heat sink (1) From the top side of the amp. assembly, remove the screw B attaching the thermal SW 2 board.
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Front panel assembly section • Remove the front panel assembly from the main body. (See "Removing the front panel assembly".) 3.3.1 Removing the FL display board & front AV in board (See Figs.1 and 2) (1) From the front side of the front panel assembly, pull out the volume knob to the forward and remove the nut a attaching the FL display board.
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3.3.2 Removing the power switch board & front DIGITAL in board & motor assembly (See Fig.3) • Prior to performing the following procedure, remove the FL display board. Power switch board (1) From the reverse side of the front panel assembly, remove the four screws C attaching the power switch board and take out the power switch board.
SECTION 4 ADJUSTMENT Adjustment of idling current Measuring point Alignment point Measuring condition B903 & B904 VR701 No load and No signal.Rated line voltage SURROUND : OFF B911 & B912 VR751 Room temperature : 20 to 25 ºC B907 & B908 VR801 SLch...
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Idling Current graph (1/2) SL ch / SR ch SL ch SR ch Time(Min) SBL ch / SBR ch SBL ch SBR ch Time(Min) 1-18 (No.MB177)
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Idling Current graph (2/2) L ch / R ch L ch R ch Time(Min) C ch Time(Min) (No.MB177)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.MB177) Printed in Japan...
SCHEMATIC DIAGRAMS AUDIO/VIDEO CONTROL AMPLIFIER AX-V8000 CD-ROM No.SML200402 Area suffix UP --------------------------- Korea LE AR N TR ANS MIT S TANDBY ZONE 1 ZONE 2 ZONE 1 ZONE 2 TV/CA TV/DBS VCR 1 ON/OF F ON/OF F STANDBY/ON STANDBY/ON ZONE 1...
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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 Pre main Pre main amp section (Lch/SBLch amp) DSP 1 section DSP 2 section Audio signal input 2 Power amp section Power amp section(Speaker) amp section IC681 section IC635, IC640 IC673 FRONT DIGITAL A/D DIR (Relay) IC657 RY901 IC601 IC645, IC650 Q710, Q711...
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VICTOR COMP ANY OF J AP AN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB177SCH)
PARTS LIST [ AX-V8000 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UP ---------------------------- Korea - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Electrical parts list (Block No.01~07)
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Exploded view of general assembly and parts list Block No. 9.5 0.3mm e' J...
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FELT SPACER LV40247-001A FOOT (x3) LV10536-026A FRONT BASE QYSPST3016M TAP SCREW M3 x 16mm(x3) LV30225-0D5A SPACER LV10541-003A SIDE BKT(L) LV43855-001A JVC MARK QYSBSGG3008E TAPPING SCREW 3mm x 8mm(x4) E60912-003 SPEED NUT E73967-006 SPACER (x4) LV43263-002A K2 MARK LV10542-004A TRANS BASE E408131-001...
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Symbol No. Part No. Part Name Description Local QYSBSGY3008E SPECIAL SCREW 3mm x 8mm QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x3) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x3) QYSBSGY3008E...
Electrical parts list Power amp. board Block No. [0][1][0][0] Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local Q1631 2SC2412K/RS/-X TRANSISTOR Q1632 DTA124EKA-X DIGI TRANSISTOR IC601 VC5022-2 Advanced super A Q1651 2SC1775A/E/-T TRANSISTOR IC602...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local D716 MTZJ33C-T2 Z DIODE D1921 1SS133-T2 DIODE D717 MTZJ33C-T2 Z DIODE D1931 1SS133-T2 DIODE D745 F10P20F FR DIODE D1941 1SS133-T2 DIODE ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C835 QFLC1HJ-473Z M CAPACITOR 0.047uF 50V J C1758 QFN31HJ-472Z M CAPACITOR 4700pF 50V J C836 QFLC1HJ-473Z M CAPACITOR 0.047uF 50V J C1759 QCS32HJ-470Z C CAPACITOR 47pF 500V J...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R752 QRA14CF-1003Y CMF RESISTOR 100kΩ 1/4W F R837 NRSA02J-241X MG RESISTOR 240Ω 1/10W J R753 QRA14CF-1001Y CMF RESISTOR 1kΩ 1/4W F R838 NRSA02J-241X MG RESISTOR 240Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R1675 QRJ146J-271X UNF C RESISTOR 270Ω 1/4W J R1767 QRE141J-331Y C RESISTOR 330Ω 1/4W J R1676 QRJ146J-1R0X UNF C RESISTOR 1Ω 1/4W J R1768 QRE141J-471Y C RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local L1701 QQR1339-001 COIL WR731 WJK0149-001A E-SI C WIRE C-B L1751 QQR1339-001 COIL WR736 WJK0150-001A E-SI C WIRE C-B CN701 QGA3901C1-06 CONNECTOR W-B (1-6) CN711 QGB2510K2-06 CONNECTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C282 QEZ0538-476Z C CAPACITOR 47uF C445 NCS31HJ-470X C CAPACITOR 47pF 50V J C285 NCB31HK-561X C CAPACITOR 560pF 50V K C446 QFN31HJ-682Z M CAPACITOR 6800pF 50V J C291 QTE1H44-226Z...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C4515 QETN1HM-105Z E CAPACITOR 1uF 50V M R225 QRJ146J-331X UNF C RESISTOR 330Ω 1/4W J C4516 NCF31HZ-103X C CAPACITOR 0.01uF 50V Z R226 NRSA63J-102X MG RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R305 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R438 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R306 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R439 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 R2502 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J R4624 NRSA63J-152X MG RESISTOR 1.5kΩ 1/16W J R2503 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R4625 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 RY351 QSK0151-001 RELAY 1SS133-T2 DIODE SW201 QSW0511-001 PUSH SWITCH 1SS133-T2 DIODE WR204 QJK016-091804 SIN CR C-B WIRE 1SS133-T2 DIODE WR318 QJK016-031403 SIN CR C-B WIRE D101 1SS133-T2 DIODE...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local QRE141J-821Y C RESISTOR 820Ω 1/4W J FS603 VYSH101-009 SPACER QRE141J-101Y C RESISTOR 100Ω 1/4W J FS604 VYSH101-009 SPACER QRE141J-101Y C RESISTOR 100Ω 1/4W J FS605 VYSH101-009 SPACER...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local D1031 SLR-342VC-T R1052 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J D1034 SELU2E10C/EF/ R1053 NRSA63J-122X MG RESISTOR 1.2kΩ 1/16W J D1231 MTZJ6.2C-T2 Z DIODE R1054 NRSA63J-152X MG RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R1171 NRSA63J-221X MG RESISTOR 220Ω 1/16W J S1027 QSW0683-001Z PUSH SW R1172 NRSA63J-221X MG RESISTOR 220Ω 1/16W J S1028 QSW0683-001Z PUSH SW R1173 NRSA63J-221X MG RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local IC807 SN74LVC1G04K-X Inverter C3552 NCB31HK-103X C CAPACITOR 0.01uF 50V K Quadruple 2-input C3553 NCB31HK-103X C CAPACITOR 0.01uF 50V K IC808 SN74AHCT32PW-X IC(DIGITAL) OR gate C3554 NCB31HK-103X...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C3752 NEA71CM-106X E CAPACITOR 10uF 16V M C4869 NCS31HJ-330X C CAPACITOR 33pF 50V J C3753 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C4870 NCS31HJ-7R0X C CAPACITOR 7pF 50V J...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R3722 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R4852 NRSA63J-561X MG RESISTOR 560Ω 1/16W J R3731 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R4853 NRSA63J-122X MG RESISTOR 1.2kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local Q7097 2SC3422/OY/ TRANSISTOR R7737 QRV12DF-1000 CMF RESISTOR 100Ω 1/2W F R7738 QRV12DF-1000 CMF RESISTOR 100Ω 1/2W F C7191 QDVB1EZ-103Y C CAPACITOR 0.01uF 25V Z R7739 QRV12DF-1000 CMF RESISTOR...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local Data selector / C506 QETN1AM-227Z E CAPACITOR 220uF 10V M IC651 SN74LV157APW-X Multiplexers C507 QETN1AM-227Z E CAPACITOR 220uF 10V M IC654 NJM2121M-X Op amp.
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C3036 NCB31CK-104X C CAPACITOR 0.1uF 16V K C3251 QEZ0629-107 E.CAPA AWF 100uF C3037 QETN1HM-105Z E CAPACITOR 1uF 50V M C3252 QEZ0629-107 E.CAPA AWF 100uF C3038 NCB31CK-104X...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C3423 QFN31HJ-122Z M CAPACITOR 1200pF 50V J R599 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J C3424 QFN31HJ-122Z M CAPACITOR 1200pF 50V J R1108 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 R3033 NRSA63J-151X MG RESISTOR 150Ω 1/16W J R3190 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R3034 NRSA63J-151X MG RESISTOR 150Ω 1/16W J R3191 NRSA63J-561X MG RESISTOR 560Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R3308 QRV12DF-1602 CMF RESISTOR 16kΩ 1/2W F R3433 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R3309 NRSA63J-362X MG RESISTOR 3.6kΩ 1/16W J R3434 NRSA63J-103X MG RESISTOR 10kΩ...
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Symbol No. Part No. Part Name Description Local LC640 NQR0450-001X EMI FILTER 0.022uF 50V M LC645 NQR0450-001X EMI FILTER 0.022uF 50V M LC650 NQR0450-001X EMI FILTER 0.022uF 50V M RY501 QSK0150-001 RELAY RY502 QSK0150-001 RELAY RY503 QSK0150-001 RELAY RY504 QSK0150-001 RELAY RY505...
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Packing materials and accessories parts list Block No. 3-32...
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Packing and accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local RM-SAXV8000U REMOCON LV42570-001A SHEET LV30256-007A SHEET ------------------- AL BATTERY (x2) BT-56013-1 WARRANTY CARD A 6 QMPS290-200-JC POWER CORD 2m BLACK LV30256-013A SHEET LV32823-004A COVER ASSY LV43644-001A LABEL (x8)