20MHz Downloader Modification 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� � 旼� � � 쿽� � � 쿽� � � A and B 쿌� 旼컴� � � are SMT 쿌� 쿽 o� � � 6800pf 쿍� 쿽 o� � � caps 쿍� 쿽 o� � � Connect the output of (solder 쿽� 쿽 o� � � a 20MHz oscillator 旼� to back 쿽� Cut off 쿽 X� � � to OSC1 OSC1 쿽� of PCB) 쿽� the X 쿽 X� � � GND 쿽� 쿽� pins 쿽 o� � � The oscillator OSC2 쿽� 쿽� (OSC's) 쿽 o� � � can be powered 읕� 쿽� 쿽 o� � � from pins 12 and RESONATOR 읕� 쿽 o� � � 24 of one of the SOCKET 1K SIP 쿽 o� � � SRAM chips 쿽 o� � � 쿽 o� � � 읕컴� � � HEADER � � � � � � � � � � � � � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� PIC16C5x Downloader (Top View)