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1.5 MAIN COMPONENTS
The main components of the Stylus Color IIs are:
❏ Printer mechanism (M-4C11)
❏ Main control board (C199 MAIN Board)
❏ Power supply unit (C160 PSB/PSE Board)
❏ Control panel board (C160 I/F Board)
❏ Housing
1.5.1 Main Control Board (C199 MAIN Board)
The main control board (C199 MAIN Board) consists of an M37721S2BP 16-bit CPU. The E05B32 gate
array operates with 25MHz clock speed and controls various memories. The CR motor and PF motor
are controlled directly by the CPU.
CN1
CN2
CN3
CN4
CN5
CN6
CN7
CN8
SW3 SW2 SW1
CPU M3772051 (IC2)
E05B08 (IC1)
4M or 8M Bit PROM (IC3)
1M Bit PSRAM (IC4)
8M Bit CG-ROM (IC5)
Figure 1-8. C199 Main Control Board Component Layout
Epson Stylus Color 200 /Epson Stylus 200 Product Description
Rev. A 1-17