Panasonic KX-FHD332C, Service Manual

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input to the Image Processing Section. After finishing the draft’s
information image processing, white is regarded as "0" and black
is regarded as "1". Then via routes4 and 5, they are stored in RAM.
4. The white/black data stored as above via routes6 and 8 is input to
the P/S converter. The white/black data converted to serial data in
the P/S converter is input to the Thermal Head via route9 and is
printed out on recording paper.
Note:
Standard: Reads 3.85 times/mm
Fine: Reads 7.7 times/mm
Super-Fine: Reads 15.4 times/mm
Transmission
1. Same processing as Copy items 1 - 3.
2. The data stored in the RAM of IC501 is output from IC501 via
routes6 and 10, and is stored in the system bus.
Via route11, it is stored in the communication buffer inside DRAM
(IC503).
3. While retreiving data stored in the communication buffer
synchronous with the modem, the CPU (inside IC501) inputs the
data to the modem along route12, where it is converted to serial
analog data and forwarded over the telephone lines via the NCU
Section.
Reception
1. The serial analog image data is received over the telephone lines
and input to the modem via the NCU section, where it is
demodulated to parallel digital data. Then the CPU (IC501) stores
the data in the communication buffer DRAM (IC503) along route12.
2. The data stored in DRAM (IC503) is decoded by the CPU (IC501)
via route12, and is stored in DRAM (IC503) via routes13 and 5.
3. Same processing as Copy item 4.
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