TH78A.4 I'll attempt to draw the layout (I stress the word attempt). top of radio 旼컴컴컴컴컴컴컴컴컴컴커 � back of front cover � � � � � � �袴袴袴袴袴袴袴袴袴袴 Brass shield, soldered �  � at corners � 旼� 旼컴컴� � � � 읕컴� 旼냐� � � � � � � 袴袴袴袴袴� A chip 1/2 under shield � � 읕냐� � � � 粕 旼커 � � � 悶 낡 쳐캑袴袴袴袴 Memory expansion slot � � 납 낡 袴袴袴袴袴敲 � � 납 읏 � � � 읕켸읕컴컴컴� � � � � 훤 Diodes and oval cutout � � (each # = 2 diodes) � � diode 1 is on top, 6 on 읕컴컴컴컴컴컴컴컴컴컴켸 bottom I've made these mods on my radio and they DO work. As for increased intermod problems, and the actual full ranges of tuning I have'nt determined them yet. Anyone with more info, please upload it to the Quasatron Systems BBS (landline) at 510-846-6085 or leave in a note. Ken Mazie KD6IZY (sysop) Quasatron BBS, Pleasanton, CA Uploaded by KD6ELA @ WA6KTK.#NOCAL.CA.USA.NA Sorry about the size, I'll tell Ken to abbreviate a bit more next time. 73 /ed