McIntosh C52 Service Manual

-50 -40 -30 -20 -50 -40 -30 -20
-10 -10
-60 -60
O U T P U T L E V E L I N d B O U T P U T L E V E L I N d B
INPUT
PUSH - TRIM
HOLD - SETUP
HEADPHONES 1 OUTPUT 2
Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Control Schematic and PCB ..................................9 - 16
SERVICE MANUAL
C52
AUDIO PREAMPLIFIER
SERIAL NO. AEG1001 And Above
0 0
C 5 2 A U D I O P R E A M P L I F I E R
25 50 100 200
INPUT: USB
25% DSD 128
CONTENTS
-50 -40 -30 -20 -50 -40 -30 -20
-60 -60
O U T P U T L E V E L I N d B O U T P U T L E V E L I N d B
400 1k 2.5k 10k
EQUALIZER
Digital Schematic and PCB .................................17 - 24
Audio Schematic and PCB ..................................25 - 38
Dsply/L&R Pshbtns/Hdphn/L&R Mtr Schematic and PCB .39 - 44
Equalizer Schematic and PCB .............................45 - 48
Output Schematic and PCB ................................49 - 52
Parts List .............................................................53 - 67
Repacking Instruction ................................................69
-10 -10
0 0
VOLUME
TRIM / SETUP
ADJUST
/
MUTE STANDBY ON
RESET
C52