Block Diagram - McIntosh MDA 1000 Service Manual

BLOCK DIAGRAM

COAXIAL
1
COAXIAL
2
COAXIAL
3
OPTICAL
DIGITAL INPUT 4
OPTICAL
5
OPTICAL
6
XLR
7 DIFFERENTIAL
AMP
1
2
3
DATA DATA PORT
4
PORT DRIVER
5
6
7
IR
SENSOR
IR INPUT
DATA INPUT
SELECT
CONTROLS
IN
POWER POWER
CONTROL CONTROL
OUT
120VAC POWER POWER
FUSE
50/60Hz SWITCH TRANSFORMER
STANDBY
5V
LOW VOLTAGE
3.3V
SUPPLY
MDA1000
BCK
BCK LRCK
DATA
768KHz
DIGITAL
UPSAMPLING
INTERFACE
MODULE
RECEIVER LRCK LDATA
MCK
RDATA
S/F
DIVIDER
RESET
MICROCONTROLLER
INPUT DISPLAY
LEVEL DRIVER
SETUP
V. F.
DISPLAY
5V
DISPLAY
15V
ANALOG
VOLTAGE
-15V
SUPPLY
-5V
POWER DIGITAL
3.3V
CONTROL LOW VOLTAGE
5V
RELAY SUPPLY
5
LEFT +
24BIT
D/A
CONVERTER
LEFT +
I/V
CONV.
BYPASS
CONTROL
LEFT +
RELAY
24BIT
D/A
CONVERTER
LEFT
BALANCED
OUTPUT
LEVEL
CONTROL
LEFT -
24BIT
D/A
BYPASS
CONVERTER
CONTROL
RELAY
LEFT -
I/V
CONV.
LEFT -
24BIT
D/A
CONVERTER
RIGHT +
24BIT
D/A
CONVERTER
RIGHT +
I/V
CONV.
BYPASS
CONTROL
RIGHT +
RELAY
24BIT
D/A
CONVERTER
RIGHT
BALANCED
OUTPUT
LEVEL
CONTROL
RIGHT -
24BIT
D/A
BYPASS
CONVERTER
CONTROL
RELAY
RIGHT -
I/V
CONV.
RIGHT -
24BIT
D/A
CONVERTER
MUTE
RELAY
LEFT +
LEFT + MUTE
BALANCED +
FILTER RELAY
AMP
LEFT
DIFFERENTIAL
AMP
LEFT -
LEFT - MUTE
BALANCED -
FILTER RELAY
AMP
MUTE
RELAY
RIGHT +
RIGHT + MUTE
BALANCED +
FILTER RELAY
AMP
RIGHT
DIFFERENTIAL
AMP
RIGHT -
RIGHT - MUTE
BALANCED -
FILTER RELAY
AMP
6
LEFT
UNBALANCED
LEFT
BALANCED
OUTPUTS
RIGHT
UNBALANCED
RIGHT
BALANCED