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