Simrad AC12 Manual de usuario descargar pdf (Pagina 6)

SYMPTOM

Recorder operates but no marks

on recording paper

POSSIBLE CAUSE

P874E

REF. TEST TABLE

(3.

Recording stylus or contact pen damaged

Check items mentioned

I NTENSITY CONTROL R325

open - Circuited

Poor contacts P302-5/6/7 /11

, P301-

3/4

Faulty recorder output ampl ifier

PCB 514- 167 7

, 8, 9

Recorder operates but no marks on

Faulty transmitter

PCB 514-

168

recording paper except when MARKER

Faulty receiver

PCB 514-

171

S103 is depressed

Faulty IF-filter PCB 514-

186

Faulty transducer output

Normal zero-line but nothing else

recorded

Normal zero-

line but other registrations

very weak

' .

Normal zero-

I ine

, but recording range

largely reduced

Excessive recording intensity

Low sensitivity, particularly for deep

waters

Excessive recording, but no

contour-

I ine registration

Zero-line is ten times thicker in the

shallow range than in the deep range

Thickness and recording intensity of

zero-

line dependent on setting of

GAIN CONTROL R101

No black marking I

ine is recorded

when Marker 5103 is depressed

(zero-line and all other registrations

normal)

Complete blackening of entire

recording paper

Noisy recorder operation

Poor recording in general

I mproper recorder

speed

Faulty tran

smitter

PCB 514-

168 .

Faulty receiver

PCB 514-

171

Faulty I F-

filter

PCB 514-

186

Faulty transmitter

PCB 514-

168

Faulty receiver

PCB 514-171

Faulty IF-

filter

PCB 514-

186

Faulty GAIN CONTROL R101

Faulty receiver PCB 514-

171

Faulty TVG generator

, TVG voltage

too low

Faulty TVG generator

, TVG-voltage

too high

Faulty NORMAL/CONTOURLINE

SWITCH S702

Faulty FUNCTION

SWITCH S701

FUNCTION SWITCH S701 placed in

wrong position (II)

Faulty bottom detector PCB 514-

187

Faulty RANGE

SELECTOR S105

Faulty bottom detector PCB 514- 187

Faulty bottom detector

PCB 514-

187

Faulty I F-filter PCB 514-

186

Faulty Marker

S1 03 (part of

ON/OFF GAIN AND MARKER

CONTROL)

Faulty MARKER S103

Faulty bottom detector

PCB 514-

187

Ball bearings of recorder damaged

Large stylus pressure

, blunt stylus point

or faulty contact bar or pen

Faulty speed regulator PCB 514-

201 or

power unit 334-

1 0

, 11, 1 2

, 13

, 15

, 16, 17

, 19

21,

, 23, 24

10, 12

, 13, 24

, 15, 16, 17

1~ 1~ 2~21 , 22

, 23

, 13; 24

14, 16,

, 20

, 23

, 34

, 24

, 25

, 30

, 30

, 22

, 30

Check or replace ball bearings

Check items mentioned

Replace PCB 514-

201

1 2 3 4 5 6 7 8 9 10 11 ... 43 44

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