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Integra MZA-4.7 Service Man

Integra MZA-4.7 Service Man

Multizone amplifier
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Download this manual See also: Service Manual, Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
MULTIZONE AMPLIFIER
MZA-4.7
MODEL
Black model
BCDD
120V AC, 60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
Ref. No. 3992
ON THE
MZA-4.7
Dec, 2006

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Summary of Contents for Integra MZA-4.7

  • Page 1 MZA-4.7 Ref. No. 3992 SERVICE MANUAL SERVICE MANUAL Dec, 2006 MULTIZONE AMPLIFIER MZA-4.7 MODEL Black model BCDD 120V AC, 60Hz SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

  • Page 2: Specifications

    MZA-4.7 SPECIFICATIONS Amplifier Section General Rated Output Power (FTC) Power Supply AC 120 V, 60 Hz Front L/R: 50 watts minimum continuous power Power Consumption 4.0 A per channel, 8 ohm loads, 2 channels Standby Power driven at 1 kHz, with a maximum total Consumption 21.4 W...
  • Page 3 EXPLODED VIEW S8*4 S3*3 S1*3 S11*4 S6*6 S1*3 F102 F101 S2*2 S7*2 S2*4 S2*2 S2*2 S2*5 S3*4 S2*2 S2*2 S2*2 S4*4...
  • Page 4 MZA-4.7 PARTS LIST S3*2 MAZ-4.7 MODEL (TYPE) S3*2 S3*5 MODEL CODE HA060101 Q'TY PART NAME PART NUMBER BADGE 5637-21051-100-0S BRACKET SIDE L/R 4010-21198-600-0S S3*12 3 BRACKET SCREW 4010-21019-600-0S PCB ASSY USB 7028-06531-501-0 LCD ASSY K558-00007-001-0S G720-61010-000-0S BRACKET FAN 4010-21291-600-0S SUPPORTER PCB...

  • Page 5: Block Diagram

    BLOCK DIAGRAM INPUT BUFFER NJM4565MD SOUND SELECTOR INTER TEA6320 ANALOG L/CH INPUT MULTIPLEXERS CONTROL 4052 INPUT BUFFER NJM4565MD ANALOG R/CH INPUT ZONE VIDEO PREOUT VIDEO INPUT VIDEO OUTPUT...
  • Page 6 MZA-4.7 INTERFACE AUDIO AMPLIFIER TDA7293 AUDIO AMPLIFIER TDA7293 OP AMP NJM4565MD OP AMP NJM4565MD EDGE-TRIGGER 3-STATE 74HC574 AXBUS LINE Expansion Bus Out Expansion Bus In FUSE POWER SW USA: T6.3AL INPUT & INLET...
  • Page 7 SCHEMATIC DIAGRAMS-1...
  • Page 8 MZA-4.7 (C)(A): FU100 SMD18121050 1st LOT insert, Next 2nd LOT SMD0805P010 insert. (B): R139, 10R(1W) 1st LOT insert, Next 2nd LOT R139 5R6(1W) insert. (C): R140, R141, R143, R144, R145 680R insert (2nd).
  • Page 9 MICON & MAIN UNIT SECTION SCHEMATIC DIAGRAMS-2...

  • Page 10: Main Unit

    MZA-4.7 MAIN UNIT (A): FU102 SMD1812L050 1st LOT insert, next 2nd LOT “FU102” SMD0805P010 insert. (B): R190, 3R3(1/2W) 1st LOT ibsert, next 2nd LOT deleate (pattern short). (C): R223: Bottom side (1st LOT), 2nd LOT, SMD.
  • Page 11 SCHEMATIC DIAGRAMS-3 MAIN UNIT...
  • Page 12 MZA-4.7...
  • Page 13 SCHEMATIC DIAGRAMS-4 OUTPUT CNT B’D VIDEO OUT B’D TEMP. SENSOR B’D...

  • Page 14: Amp Section

    MZA-4.7 AMP SECTION IC420 -IC427 TDA7293 (15pin) PN RHI007293-0001 SPK B’D...
  • Page 15 WIRERING CONNECTION DIAGRAM AMPON/RS232 B’D DC/IR B’D INPUT CNT MAIN B’D OUTPUT C FRONT B’D USB B’D...
  • Page 16 MZA-4.7 VIDEO B’D SPEAKER B’D CNT B’D AMP B’D T CNT B’D POWER TRANS...
  • Page 17 MZA-4.7 WIRERING CONNECTION DIAGRAM AMPON/RS232 B’D VIDEO B’D SPEAKER B’D DC/IR B’D INPUT CNT B’D MAIN B’D AMP B’D OUTPUT CNT B’D POWER TRANS FRONT B’D USB B’D...
  • Page 18 MZA-4.7 PACKING VIEW/ PARTS LIST PARTS LIST Scotch Tape PART NAME CODE NUMBER Warranty Card Instruction Manual 5707-0000-037-0S DISC CD Manual 6517-00025-001-0S 6337-00024-001-0S Poly bag, Manual Warranty card 5727-00000-012-0S Tape SCOTCH A710-00038-000-0S Cusion snow L/R 6230-21155-400-0S Poly bag, SET 6327-04005-900-0S...

  • Page 19: Service Procedure

    MZA-4.7 SERVICE PROCEDURE INITIALIZE (Restore Default Setting) Multijob Push the multi jog button for about 10 sec.. The display shows 'System Setup' on the LCD. Multijob Select ‘Restore defaults’. Multijob Push the multi jog button. Multijob Select ‘Yes’. Multijob Push the multi jog button.
  • Page 20 MZA-4.7 Integra Division of ONKYO CORPORATION Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124 http://www.onkyo.com/ Integra Division of ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.integrahometheater.com...

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