EPSON Stylus Photo 700/EX Service Manual
Chapter 2 Operating Principles
2.1.2 Electrical Circuit
The difference in electrical circuits for EPSON Stylus Photo 700 / EX and EPSON Stylus Photo are as follows:
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| Item |
| EPSON |
| EPSON |
| EPSON |
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| Stylus Photo EX |
| Stylus Photo 700 |
| Stylus Photo |
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| Main Board |
| C231MAIN |
| C233MAIN |
| C209MAIN |
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| (Circuitry is the same |
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| with C209MAIN for |
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| EPSON Stylus Photo) |
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| Power Supply Unit |
| C206PSB/PSE |
| Õ |
| Õ |
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| Control Panel |
| C206PNL |
| C209PNL |
| Õ |
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| (Same with EPSON |
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| Stylus Color 400/600) |
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The circuitry of C233MAIN Board for EPSON Stylus Photo 700 is partly modified compared with C209MAIN/C231MAIN for EPSON Stylus Photo and Stylus Photo EX, and a figure below illustrates the circuit diagram of C233MAIN board.
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| C 2 3 3 M A I N | ||
I)C 5 | I C 3 |
| I C 6 |
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| C N 3 |
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D R A M ( 4PM R)O M | M R O M |
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| P A N E L | ||||
6 1 |
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| C N 4 / 5 / 1 1 | |
0 |
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| P E S e n s o r | ||
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C |
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| H P | S e n s o r |
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| A S F | S e n s o | ||
9 5 |
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| 9 1 |
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I C 1 C P U ( T M P | D a t a B u s ( 1 6 b i t ) | 9U 1D 7N 2 | + 4 2 V |
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A d d r e s s | B u s |
| I C 1 4 |
| C N 6 |
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| I C 2 |
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| C R | M o t o r | |||||
| A S I C |
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| ( E 0 5 B 5 5 Y A ) |
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| I C 1 1 |
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| 5 | 2 |
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| E E P R O M |
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| ( A T 9 3 C 4 6 ) |
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| C N 7 |
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I C 1 0 |
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| C | 3D |
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T I M E R |
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| P F M o t o r | |||
( S - 3 5 1 0 A N F ) |
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| I U1 |
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| 8 |
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| B A T 1 |
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| 7 D 2 |
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| C N 8 |
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| C | 8 | V H |
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| H E A D | ||||
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| I H |
| C N 9 |
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I C 1 6 |
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| H E A D | |
S e r i a l T r a n s c e i v e r | N o z z l e S e l e c t D |
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( S N 7 5 L B C 7 7 5 ) |
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| C N 2 | C N 1 |
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| S e r i a lP a r a l l e l |
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Figure 2-1. Circuit Block Diagram - C233MAIN Board
Rev. A |
