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Similar models: P5 (mechanically the
same). Super Program and A3000
(electronically similar)
Product #: P30 (domestic version) --
PENTAX P3, P30
25300; P3 (American version) --
25301
Batteries: 2ea S76 (negative ground)
APERTURE-
Fig. I --top cover removed A VOLTAGE B
TP DEPTH-OF-FIELD
PREVIEW LEVER
Fig. 2 bottom cover removed, wind
LEFT-
lever held partially advanced CRYSTAL
HAND
sws
Fig. 3--top view, wind side
Fig. 4 -front view, mirror box
removed
Fig. 5---mirror box. bottom view
Fig. 6 underside of PC board T100
(Ilex)
Fig. 7--top view of wind side, mirror
box removed MAIN SWITCH SHUTTER-
SPEED
Fig. 8--bottom view of wind side, PC BOARD
c
ratchet wheel removed
Fig. 9--top view of wind side, wind- FIGURE 1
ing seal removed
Fig. 10 top view of wind side, wind A/M CONTACT MECHANICAL
shaft removed WIND-COMPLETION RELEASE
SWITCH D
Fig. 11 -- underside of top mechanism
plate -- reassembly position
of pawl
Fig. 12--top view of wind side, top
mechanism plate removed
Fig. 13--sprocket-hook timing
Fig. 14--sprocket timing
Fig. 15--counter-gear timing
Fig. 16 -- test points, underside of PC
board T100 (flex) RATCHET SHUTTER- WINDING-GUIDE
WHEEL CHARGE E PLATE ASSEMBLY
0-C106 LEVER 0-C102
Fig. 17--lest points, main-switch
TRANSPORT
block LATCH 0-C108
FIGURE 2
Fig. 18--test points, LED block
Fig. 19--wiring variations, early style apply conductive paint between the
Not shown:
PC board T100 timing-switch adjustment and the
Aperture-value resistor. Variable resis-
Fig. 20--test circuit for optical tor at back of front plate, wind side shutter mechanism plate to improve
encoder top (near mirror box). the ground.
Fig. 21 --wiring pictorial and test Mirror angle. Hex nut on wind side of
points mirror box, under mirror (reach ADJUSTMENT VALUES:
through lens opening).
ADJUSTMENT LOCATIONS: