McIntosh-MC-30-Schematic 电路图 维修手册.pdf

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1、INPUT CONNECTIONS 0.5V. to 20V. INPUT: SCREW TERMINALS OR PRE-AMP SOCKET PINS. (GND.) 8 5. ADJUST GAIN CONTROL IF SIGNAL EXCEEDS 0.5V. NOTE I : JUMPER PINS 2 a 3 OF PRE-AMP SOCKET. 2.5 v. INPUT: PRE-AMP. SOCKET PINS (GND.) 8 2. NOTE 2: CAIN CONTROL INOPERATIVE MCINTOSH PRE-AMPS. USE THIS SOCKET NOTE

2、 3: SOCKETS VIEWED FROM BOTTOM. 50-60 A.C. SUPPLY NOTE 4: REMOVE JUMPER NO. I FOR BASS ROLL-OFF. REMOVE JUMPER NO. 2 FOR BASS BOOST. MODEL A-116 AMPLIFIER 30 WATT NOTES: 4, 8, 8, 16 ohm output available at screw terminal as modifed CONNECT TO PlN NOS.IMPEDANCE 1-24 ohm 1-38 ohm 1-416 ohm 7-8 6 IS C.

3、T, AND GND. 600 ohm BALANCED 5-6 (6 IS GND.)70.7 V. OUTPUT CONNECTIONS RadioFans.CN 收音机爱 好者资料库 Parts List for A-116A 30 Watt Power Amplifier R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 .033 .022 .1 47mmf .022 .1 .1 .25, 6

4、00V .25, 600V 40/80-20, 500/450 V. 20, 150V 10, 450V .0047 .1 Sel. Rect, 4 plate 20 MA. 1.5 Micro H. Choke 2.7 Micro H. Choke U-152A Power Trans. M-150A Output Trans. 12AX7 12BH7 12BH7 6BG6-G 6BG6-G 5U4-GA 500K Pot, Level Adj. 2.2M 56 K, 1W 2.2K 18K, 1W 47K 1M 100K 2.2K 1M 100K 1K 10K 22K 1.2M 1M 12K, 2W 12K, 2W 100K 1.2K 100K 12K, 2W 12K, 2W 680K 680K 250 Ohm Pot, Hum Adj. 470 Ohm 150 Ohm, 10W 56K 4.4K, 2W 47K 120K 10K C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 CR1 L1 L2 T1 T2 V1 V2 V3 V4 V5 V6 RadioFans.CN 收音机爱 好者资料库