Nikon F4 F4 D13-D19

FD, DB, and DX FPC units

FAA23051-- R.S2A8.,

1.

2.

3.

Data back contact cover

n

Remove shutter (See page D6)
Remove display FPC unit,

(See page Dll)

Remove following screws and cables.

mm&M!w

.

w.,>. ‘&4&

~~

“’””””%

&#l127

x 2

film rewind side FPC unit

(yellow) Thyristor trigger base plate

la

~19

F-

“ cables (cables are fixed at

f

~. >.*

;4$$?,$,,,1,

(blue)

(orange)Thyristor trigger

tape for arranging

the rear side of the

Thyristor trigger

base

base plate

~late

.

FP~)

m

-.

[

Light leakage protective
plastic sheet on the data

>ack

hole.

(#69)

L-

G103

—------

RW7

.

Sync contact X

(black)

Sync contact GND

Thyristor trigger base plate

‘D13

—

FAA23051 - R.3248.1

IEEEl

Overview of the front body

Mirror driving base plate

Lock encoder

base plate

Aperture
photointerruptor

Power Tr base plate

I

AF base plate

MGND1 (black)

Spot SPD

(orange) (white)

lens contact FPC

Lens release
button switch

AF switch-

TTL SPD

(yellow) (blue)

fmm switch

~’

---1

4

=.

MGND2 (black)

\

VBAT (orange)

f–fo pulley

TC

switch (white)
fmm switch (brown)
EE switch (orange)

I

AGND (blue)
Vref (purple)

f–fo (yellow)
fo (green)

—D14—

AF base plate

Adhesive tape for arranging cables

~

) VBAT

MGND 1

‘- n

—

MGND

j

1

—D15—

: junction cable

AF PI = AF photointerrupt

or

#302x3

‘9

#303x3

k

FAA23051

- R.3248.}

Lock

encoder

FPC

AF motor ,
cable holder

G103

AF

(blue)

switch

AF

(white)

motor

AF

(red)

motor

AF

(black)

AF PI-A (brown)
AF PI-C (pink)

w

PI-E (blue)

AF PI-K (grey)

—

2--

__J

‘

I

~

@

I

I

Spot SPD
cable

holder

Spot SPD

(orange) (white)-

AF PTr

AF PTr–E (orange)

L_

LL

Filter switch 1 (green)
Filter switch 2 (yellow)

TTL SPD (yellow)

AF PTr–C (white)
AF PTr-B (purple)

Lock encoder FPC

(brown)

(blue)

AF

sensor

unit—

—D16—

#302x3

9

#303x3

&

FAA23051

- R.3248.A

AF

AF

(white)

motor

AF

(red)

motor

AF

(black)

AF PI-A (brown)

AF PI-C

AF PI-E (blue)
AF PI-K (grey)

(phlc)

11(

I

]

(orange)

AF sensor unit-

Spotl

cable

holder

Spot SPD

(white)-

SPD

Y-(

AF PTr-E (orange)

L_

~Lock

~Filter

Filter switch 2 (yellow)

—TTL SPD (yellow)

AF PTr-C (white)
AF PTr–B (purple)

encoder FPC

(brown)

switch 1 (green)

(blue)

-

—D16—

Lock encoder FPC unit

FAA23051

-

R.3248.

‘

n

Aperture PI = Aperture photointerruptor

#1

Aperture PI
;oldered portion

Two soldered portions

for the double lock switch

I
(brown)

Remove cables
Aperture Mg (red)

(blue)

Remove two soldered

,,

.-

porclons tor

the

double lock switch

Remove soldered
portion for the
aperture PI.

#lo39 x 3

Mirror operating base plate

* Spread G71OO on each

sliding portion.

:or

up

lever

at

ing

— D17—

f–fo pulley,

f–fo pulley

stopper

#G103

Aperture coupling ring thread
Attached with Alon Alfa

(’ra

(blue) AGND – fo base plate

I

lPurPle)

Vref — fo base plate

f–fo base plate

w

#lolo X2

A

.

f–fo pulley
#1087

I

(Be sure not to damage

the f–fo pulley shaft
when mounting
dismounting #1087)

,.

I

Remove aperture
coupling ring thread

(Note :

adhesive or Alon Alfa)

I

Remove cables

AGND –– fo base plate

Vref –– fo base plate

I

7

I

f–fo base plate

I
,

t

Attached on the front
body with G103

(blue),(yellow)

Attach with

(blue)

(purple)

#lolo

and

,(purple)

f-l

Lens release switch

Screw

‘Z@

Lens release switch

#1

lock

.019

(#350)

— D18—

AF mode selector lever base plate unit

Remove Al? mode selector lever base

w

plate unit,

in

other than M

Lens release

1

button spring

i

after setting AF mode

C71

no

AF mode selector lever

base plate unit

Aperture coupling ring thread

AF mode selector lever

ring

base plate unit

Roller

H

~

protective spring

on

n

/

Seesaw lever

@#1087

‘D19—