Electric Circuit Components - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

2.1.2 Electric Circuit Components

2
1
Figure 2-2. Electric Circuit Components
OPERATING PRINCIPLES
3
4
5
6
Diagram Name
1 Ink Holder Board Assy L
2 Sub Board Assy; C
3 Sub Board Assy
7
4 Power Supply Board Assy
8
5 Main Board Assy
6 Sub Board Assy; B
7 AID Board
8 Ink Holder Board Assy R
Main Body
Description
Relays the connection between the Main Board Assy
and electric parts/components of every kind. See
"Block Wiring Diagram" (p. 466) for specific
connections to the concerning parts/components.
Relays the connection between the Main Board Assy
and electric parts/components of every kind. See
"Block Wiring Diagram" (p. 466) for specific
connections to the concerning parts/components.
Relays the connection between the Main Board Assy
and electric parts/components of every kind. See
"Block Wiring Diagram" (p. 466) for specific
connections to the concerning parts/components.
Generates the DC voltage for this printer from the AC
power supply.
Communicates with the computer.
Processes received data.
Controls the printer mechanism.
Stores the correction values and various counters.
Generates the voltages for the logic system from the
voltage of 42V supplied from the Power Supply
Board Assy.
Relays the connection between the Main Board Assy
and electric parts/components of every kind. See
"Block Wiring Diagram" (p. 466) for specific
connections to the concerning parts/components.
The board to perform the AID function which detects
dot missing automatically.
Relays the connection between the Main Board Assy
and electric parts/components of every kind. See
"Block Wiring Diagram" (p. 466) for specific
connections to the concerning parts/components.
Confidential
Revision I
96