HP 7942 Service Manual page 102

1.
J
1 PINS ARE NU~BERED 1 THRU 20.
EVEN-NUMBERED PINS ARE ON SOLDER
SIDE OF PCA. THERE IS A KEYSEA T
BETWEEN PINS 4 AND 6.
2. J2 PINS ARE
NU~BERED
1 THRU 34-.
EVEN-NUMBERED PINS ARE ON SOLDER
SIDE OF PCA. THERE IS A KEYSEA T
BETWEEN PINS 4 AND 6.
J. JJ IS NU~BERED AS SHOWN
Figure 4-9. FRA 1 (Disc Drive A
1),
Layout and Cable Connections
Service Inf orma tion
7942 and 7946
4-33