Service manual

EPL-5700L/5700i Revision A
OPERATING PRINCIPLES ELECTRIC CIRCUIT 23
Figure 2-2. Block Diagram of the C292 Main Board
Reset IC
(IC6)
Reg.
PQ3DZ13
CN207
5V
3.3V
Serial
EEPROM
1kb
(IC8)
Reset Signal
SLC
208pin
(5/3.3V)
E05B68NA
(IC5)
22.9982MHz
MCLKIN
MCLKOX
-22.9982MHz
+22.9982MHz
A23-1
CPU
TM95C001
64pin
(IC1)
16
ROM
4Mb*16
40pin
(IC2)
DRAM
16Mb*16
42pin
(IC3)
MA10-0
16
D15-0
CN1
TSUB
64pin
(5/3.3V)
E05B69NA
(IC21)
1616
CN5
RAMSIMM
72pin
USB
4pin
48MHz
CN2
LV161284
48pin
(IC7)
3.3V
Parallel
36pin
Engine
Controller
CN3