Harman Kardon AVR 7550HD

DANECH
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/
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B'D name
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Sheet
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Ver.
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Stage
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Drawing No
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Approved
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Draw
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Category
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Model
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Date
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G
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9
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7
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4
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2
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Date
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NO.
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Contents
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REVISION RECORD
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1
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3
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5
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6
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8
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10
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F
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E
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B
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D
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C
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A
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COMPANY LTD.
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Schematic Diagram
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harman kardon
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AVR7550HD/760/660PROCESSOR 2/2
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AV RECEIVER
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AVR660
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AVR7550HD/AVR670
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USED
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NO USED
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SUB-WOOFER2
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SUB-WOOFER2
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SUB WOOFER2 BLOCK: ONLY AVR7550HD & AVR760
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SUBWOOFER2
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SUB-WOOFER2 GAIN CIRCUIT
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*** THE UNIT OF RESISTANCE IS OHM.
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K=1000 OHM, M=1000 KOHM.
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*** THE UNIT OF CAPACITANCE IS MICROFARAD (uF)
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pF=10 uF
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*** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANYTIME WITH THE
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IMPROVEMENT OF PERFORMANCE.
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-6
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APR.13.2009
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MP
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V4.10
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PROCESSOR
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AVR7550HD/760/660
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R1042
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220(1/16W)
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R1320
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47K(1/16W)
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R1041
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2K4(1/16W)
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R1308
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18K(1/16W)
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R1043
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2K2(1/16W)
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R1050
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470K(1/16W)
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R1324
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47K(1/16W)
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R1326
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47K(1/16W)
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R1031
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2K2(1/16W)
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R1248
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1K(1/16W)
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C1071
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10UF/16V
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C1073
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OPEN
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2
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I-
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1
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OUT
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3
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I+
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4
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V-
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IC1005-A
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NJM2068M
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6
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I-
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7
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OUT
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5
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I+
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8
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V+
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IC1005-B
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NJM2068M
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C1072
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OPEN
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C1060
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10UF/16V
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R1250
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100K(1/16W)
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R1249
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100K(1/16W)
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R1255
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470(1/16W)
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R1040
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9K1(1/16W)
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C1067
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2N2/50
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C1210
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2N2/50
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R1036
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1K(1/16W)
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R1256
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0(1/16W)
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R1257
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0(1/16W)
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C1169
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100P/50V
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C1150
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100P/50V
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R1111
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470(1/16W)
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R1327
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47K(1/16W)
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1
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2
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3
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Q1013
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KTD1304
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1
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2
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3
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Q1014
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KRA107S
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1
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2
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3
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Q1012
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KTD1304
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1
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2
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3
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Q1038
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KRA107S
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1
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2
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JA1004
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RCA-115AG-06
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-15V
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15V
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PRO+3DB
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GND
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GND
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SW2MUTE
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VCC
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MUTE1
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SWOUT
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AVR 7550HD harman/kardon
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