HP-335 Nov. 1998 Installing the PA-4A board A B C D E F G H I J K L M N O P Q R S T U V KEYBOARD PA-4A88-C2 CIRCUIT BOARD As shown in Fig.3, place the board against the hook part a of the sub-shassis, and screw the board into the sub-shassis. Screw in order, from the round hole(positioning hole) on the connector side. Be sure to screw manually. (Care should be taken to avoid screw damage.) Fook a P-Tight Bind 3 Ч 6 Fig.3 PA4A PWB HI ASSY 70894578 Greasing points After the key or hammer has been replaced, the speci- fied grease must be applied to the following 4 points as shown in Fig.4. Fig.4 1. Froir GP-1RS....gray (PNo.
17049544) (a) Key and hammer bearing section (b) Key and hammer joint section (actuator section) 2. Froir G-336A....white (PNo. 17049543) (a) Side of guide bushing for white key and black key 1-a 2-a PA4A PWB LOW ASSY 70894556 PA4A PWB MID ASSY 70894567 1-b Fig.4 11