740C SERVICE MANUAL
TABLE OF CONTENTS
Safety Precautions & Important Notes
3
Exploded
Diagram 4
Exploded Diagram Parts List
5
Front
Panel
Circuit
Diagram
6
Front Panel Board Layout (Top Side)
7
Front Panel Board Layout (Bottom Side)
8
Front
Panel
PCB
BOM
9
Servo
Circuit
Diagram
10
Servo Board Layout (Top Side)
11
Servo Board Layout (Bottom Side)
12
Servo Assembly PCB BOM
13-15
DAC Circuit Diagram (Supply & Connectors)
16
DAC
Circuit
Diagram
(SPDIF
–
RS232)
17
DAC Circuit Diagram (Flash Connector & Mute)
18
DAC
Circuit
Diagram
(DSP)
19
DAC
Circuit
Diagram
(Analogue
Stage)
20
DAC Board Layout (Top Side)
21
DAC
Board
Layout
(Bottom
Side)
22
DAC
Assembly
PCB
BOM
23-25
Mains
Circuit
Diagram
26
Mains
Board
Layout
(Top
Side)
27
Mains
Board
Layout
(Bottom
Side)
28
Mains
PCB
BOM
29
IC
Pin
Layout
Details
30-38
2
