McIntosh MAC 4300V Service Manual

MAC
4300V
AM/FM
RECEIVER
CONTENTS
Section 7 - Control Logic.
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Remote Receiver
Switching Logic
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Performance
Specifications
....2-3
Mechanical
Views
.3-4
Notes
........5
Block Diagrams - AM/FM Tuner
Section......
5-6
Pre-amp/Ampl
if
ier Section
Section
Locations
.........7
Section
1-
lnterconnection
Diagram
..
B-10
AC Line lnout
Front Panel and Trim Parts
List ........
11
lnstallation Hardware Parts
List
........
11
Section 2 - Signal
lnput. .....
11 - 13
lnput
Switching
Phono Pre-amp
Tape Switching
Section
3 -
Preamplifier..
....14-17
Volume
Equalizer
Loud
ness/Balance
Preamp Muting
Section 4 -
PowerAmplifier
...18-20
Driver
Power Outout
Power Guard
Section
5
- AM
Tuner.
.21 -23
Section
6 -
FM
Tuner
..24-27
Front
End
Multiplex
Program lnput Display
Frequency Display
Section 11 - Tuning Voltage
Regulator.....39-41
Signal Display
Status lndicators
lR Sensor
Section
12
- AM/FM Tuning
Control
..42-44
Section
13
- Output Processing
and
PowerSupply
....45-47
Speaker lmpedance Switching
Speaker Switching
Low Voltage Regulators
Section
14
-
Back-up Power
Supply .....
48
Power Relay
Alignment
Procedure
......49
Repacking
lnstructions.....
.....S0
28-33
31-33
Section
8
-
Keyboards
Program
Tuner
Function
Section 9
-
Section
10
I
nput
34-35
36-38
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