McIntosh MP1100

MP1100
MP1100
PHONO PREAMPLIFIER
SERVICE MANUAL
SERIAL NO. AFH1001 And Above
Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Right Audio Schematic and PCB ...........................9 - 20
Left Audio Schematic and PCB ...........................21 - 32
Tube Schematic and PCB ........................................33 - 38
Digital Schematic and PCB .................................39 - 48
Dsply/Stby/Mute/ L Mtr/R Mtr Schematic and PCB ...49 - 54
Parts List .............................................................55 - 72
Repacking Instruction ................................................73
CONTENTS
STANDBY/ON
LOAD
INPUT
RESET
MP1100
PHONO PREAMPLIFIER
PUSH - TRIM
HOLD - SETUP
PUSH-SELECT
MM PHONO1 RIAA
pF 50 Ohm=47K
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
MUTE