Sanyo SFX-30 User manual

SERVICE MANUAL Facsimile Transceiver
-—
MAIN
IFILE NO. I
SFX-30
PRODUCT CODE NO.
GERMANY 1 145 65325
SPECIFICATIONS
Type Desk-toptype transceiver
Line connected Publlc switchedtelephone network
Sizeof recordingpaper 216mm(6.5) x30m(98’)/25m(82’)
II
Effectivescanningwidth 208mrm(8.2”)
Effectiverecordingwidth 212mm(8.3)
ITransmissionspeed II 9600/7200/4800/2400BPS I
ITransmissiontime II Approx. 15sec.(Transmissionmode: standard) I
II
Main scanningdensity Fine mode: 8pals Standard:8pels
Sub scanningdensity 3.85lines/mm(Standardmode) 7.7lines/mm(Fine mode)
15.4lines/mm(Superfine mode)
Compressionmode MH (Modified Huffman)and Sanyooriginal
!, I
Readingmethod CIS (Contactimage sensor)
II
Recordingmethod Thermal printing
1,
IPowersupply II AC230V,50/601-lz
Powerconsumption Stand-by:5W,Transmission:15W,Reception150W,Copy:160W
Overalldimensions 381(W)x90(H)x263(D)mm
15”(W)x3.5”(H)x1o.4’’(D)
Weight Approx.4.3 kg (9.5lb)
Ambienttemperature 5°C -35°C (41°F -95°F)
*High-gradethermalpaperis 25m(82’).
REFERENCE NO. SM 620011

1. INSTALLATION
(1) Unpacking
-To unpack the SFX-30:
1. Open the carton.
2. Remove the accessories (handset, recording paper roll, etc.) from the carton.
3. Remove the fax machine along with the foam braces on both sides.
4. Remove the polyethylene wrapping around the fax machine.
5. Remove the transportation tapes.
6. Save the carton and the foam braces for later storage and/or shipping.
7. Place the machine where there is access to an AC outlet and a modular phone jack. (Be sure to observe the
precautions below.)
Placement precaution
●Avoid placing the SFX-30 in humid or dusty places, or in places where it will be exposed to excessive heat
(direct sunlight, heaters, etc.).
●Do not step on or set anything on the AC cord. DAMAGE TO THE AC CORD IS ASAFETY RISK AND CAN
cAusE AFIRE. -
.Install the unit only on astable surface.
.Do not connect the SFX-30to the same AC outlet as appliances that generate large amounts of interference
(heaters with thermostats, appliances with motors, etc.). It is best to use acompletely separate electrical outlet.
●Keepthe SFX-3Oaway from water. If water accidentally enters the unit, unplug the AC power cord‘immediately.
DO NOT SWITCHTHE UNIT ON AGAIN. Contact an authorized Sanyo service center or dealer.
Handling precaution
b.Do not remove any parts that are held in place with screws.(The SFX-30does not contain any user-serviceable
items).
.Maintain standard room temperature 5°C–35°C (41°F–95”F) during use. Do not subject the unit to shock or
vibration. Do not move the unit while it is in use.
●Arapid increase in room temperature in cool weather can cause condensation to form inside the unit. If this
happens, wait at least 15 minutes after turning the unit on before attempting to operate it.
Failure to do so may result in paper jams and/or poor print quality.
●When cleaning the cover or operation panel of the unit, wipe gently using adamp cloth to which asmall amount
of aneutral detergent has been added. NEVER USE SOLVENTSOR CHEMICALLYTREATED CLOTHS.
(2) Telephone line and AC connections
~Connecting to AC
IConnectingto telephone line
●The SFX-30 should not share amodular jack with other communication
equ!pment, as this may obstructthe proper tunctloningof the umt.
L
—1 —

(3) Setting the dialing mode switch
Set the dialing mode switch (DIAL) to the correct position for
your telephone line.
telephone /Push-button Rotary-dialing
telephone telephone
=A
,“”
Lsounds
‘1
——.\PULSETONE
)@
Setthe switch
10
PULSETONE
‘you are not sure which dialing systemyour telephone is using,
ontact your telephone company.
(4) Installing recording paper
1
2
-
Open thepr~~e:t!vecoverand rear cover.
press the LOPENflbutton to open the
recording paper cover
_J -.
---. —------...——.
Sr “.
.-==;.–..
e
...,,,
/-----<.
-----
‘r
. .
L>. ‘-“
L-------------------
.-. _-- ——-——----- ——..
L___________________
Place the supplied roll, in the dlrectmn
shown in lhe diagram, mthe paper holder
with both sides sested securely
●Remove any slack from the roll
Insert the”end of the roll Into the record-
ing paper exit slot Correct Wrong
. . . .
..C2.!ES
Pull out the end of the roll from the record-
ing paper exit untd It extends 4Inches
Close the recording paper cover by
pressing both left and right corners of
the far end of the cover firmly
The SFX-30 cuts the extra recording
paper automahcally.
. .. . .. ..-——. .. . .
■Use only the recording paper specified for the SFX-30.
■The rear cover must be left open while the SFX-30 is in standby mode.
High-grade thermal paper
The SFX-30 is compatible with the high-grade thermal paper, anew type fax
recording paper with plain-paper qualify. Unlike regular thermal paper, the
h!gh-grade thermal paper does not fade with time, can be written on with
pencil and can be erased.
SANYO Type 6326731727,216 mm (8.5”) wide and 25 m(82) long.
A12-reeler (39’) long roll is supplied with your SFX-30.
Thermal paper
SANYO Type 6323250047,216 mm (8.5) wide and 30 m(96’) long.
To purchase, contact your dealer. d
Anti-curl system
The SFX-30 has abuilt-in anti-curl eystam that prevents thermal recordhtg
paper (high-grade or regular) from curling.
~hen Setting the A4 Recording Paper
1. Removethe recordingpaperguide 2. Replacethe recordingpaperguide
Push me guide to ~direction snd lift I! in A4 position
to Qas shown in the figure Push the guide to 8and then to Q
direction 8s shown In me figure
‘u
—2—

(5) MACHINE INITIAL
1.
-2.
3.
4.
5.
6.
7.
Connect AC plug into AC outlet.
Press ~MENu key while ‘SET] key is being pressed and
keep this condition at least one second.
Press :SETl .
Press SETI or IMENU .
FSE~ :“Clear all items then return to STAND-BY display.
At the same time S-RAM check is also carried out.
ml: Individual items.
Press ~or IMENU]
~S—~:Initialize RAM CODE and goes to the next item.
~M=] :Just goes to the next item.
Press ~or -~ .
H:Clear one-touch and speed dial memory and goes
to the next item.
m]: Just goes to the next item.
Press ~or ‘m ,
[S= :Clear Activity report data and return to STAND-BY
display.
ml: Just return to STAND-BY display.
REMARKS
In case of S-RAM Error at step 4, alarm sounds continuously
and the machine goes into “DEAD LOCK’ condition +
Repairing is required.
(6) MACHINE PROGRAMMING
<SETTING YOUR STATION NAME AND FAX NUMBER>
1.
2.
L3.
4.
5.
6
7,
8.
9.
Press -] 5times.
Press ~.
Press lml twice.
Press ~.
Enter your station name.
Amaximum of 24 characters can be entered.
(See page 4)
Press ~.
Enter your fax number.
Your fax number can be entered up to 20 digits in length.
Example 0123456
Press ~.
Print an activity report (see page 34) to make sure that your
station name and fax number have been cwogrammed
correctly.
Jun .26 ’93 12:00
INITIAL SET ?
ALL CLEAR ?
Jun .26 ’93 12:00
RAM CODE CLEAR ?
O.T &S.D CLEAR?
REPORT DATA CLR?
Jun .26 ’93 12:00
IS RAM CHECK ERROR I
SET MODE ?
O.T DIAL SET ?
STATION CODE SET
I
ABCDE~
012345M
Jun .26 ’93 12:00
—3—

■To print programming, press ~O~C] .
I If you make amistake in entering acharacter, press LSTOP/C] and then re-enter the letter or number.
..— —
■To enter ahyphen (-) between two digits, press ~PEED DIAL].
■To enter aplus sign (+) preceding your fax number, press ~OL~ .
,The header can be printed either outside the original document (in the top margin) or inside the document itself. You
can select the desired setting using feature switch No. 20. Default setting is printing outside of the original.
NOTE If you choose to print the header inside the document, the top of the original document (about 1cmjO.4”) may
not be reproduced.
Printing outside of the original.
Jun. 26 ’9312:00 SANYO FAX 012345 P.1
l–
——— — — — —— —.—- ———— ———- -—-— --—— ———- ———. -——- -T
I
I
I
Printing inside of the original.
,––––-– –--–:.– _____ ---------------- –––--––––– –--___ -––____________T
IJun. 26 “93 12:00
ISANYO FAX 012345 P.1 ;w
II
Entering names
Before programming the one-touch ancf Speed-cfial memory, you need to know how to enter names using number
keys. Each alphabetical letter and Symbol are assigned to ap-digit code as shown on the next page.
IEntering letters
Example: To enter SFX
1. Press ~.@to enter S.
2. Press ~“~to enter F.
S9
I
3. Press 12J “~to enter X. SFXl 1
E!
4. Press O.~to enter space. SFX 91
1IEntering numbers
Example: To enter 67
El [1
—
1. Press 6to enter 6 and then press #key
—SFX 6H
to move the cursor to the right. 1
El
2. Press 7to enter 7. SFX 67~ I
4—

-mm -m. -..
lalxe ot letter and symbol codes
Character Code No. Character Code No. Character Code No. Character Code No. Character Code Nc
space .......... 00 .................... 14 K................... 28 ‘f ................... 42 m...................56
...........01 ;.................... 15 L................... 29 z................... 43 ~...................57
,...........02 . ................... 16 M................... 30 a................... 44 0...................58
...........03 >................ 17 N...................31 b................... 45 p...................59
,...........04 A................... 18 0................... 32 C................... 46 q...................60
...........05 B.................... 19 P................... 33 d................... 47 r...................61
+..........06 c................... 20 Q................... 34 e................... 48 s...................62
.........07 D.................... 21 R................... 35 f ................... 49 t ...................63
I...........08 E.................... 22 S................... 36 g................... 50 “...................64
&..........09 F................... 23 T................... 37 h................... 51 v...................65
*...........10 G.................... 24 u... ................ 38 i................... 52 WI ...................66
#...........11 H.................... 25 v................... 39 j................... 53 )( ................... 67
!...........12 I.................... 26 w................... 40 k................... 54 y...................68
...........13 J.................... 27 x................... 41 I ................... 55 Z...................69
u●To enter number: —
O—6 .............................. Enter the number and press ~to move corsor right.
7—9 ............................... Enter the number. The cursor moves to the right autornatiCally.
El El
●If you make amistake in entering aletter or anumber, simply press #to move right or *to move left to
the appropriate space and then enter the correct letter or number.
.To clear aname or anumber, press -] and re-enter.
<ONE-TOUCH DIAL MEMORY PROGRAMMING>
1. Press ~NUl 5times.
2. Press ~.
3. Press ~again.
4. Press one-touch dialing key (1-8).
<. Example To program anumber in the one-touch key 2,
press one-touch key ❑.
5.
6.
7.
8.
9.
Press ~.
Enter the party’s name (to amaximum of 16 characters).
(See page 4 for detailed instructions)
Press ~
Enter the fax (or telephone) number.
(A maximum of 32 digits can be entered including pauses
and hyphens.)
Example 0123456
Press ~.
To program other one-touch keys, repeat steps 4-9 above.
SET MODE ?
1
O.T DIAL SET ?
O.T No. .fl?
O.T No. .5?
B
lABCDEm I
I
II
I
012345~
10. TNo. =B?l
—5—

10. Press FS~] to finish one-touch number program- Jun .26 ’93 12:00
ming.
●For instructions on printing out anumerical list of programmed names and numbers, see page 4.
■To interrupt programming, press -] .
■To enter ahyphen (-), press m~.
■To enter athree-second pause between two digits of anumber, press [REDIALiPAUS~ in the appropriate place. A
semicolon (;) indicates apause.
<SPEED-DIAL MEMORY PROGRAMMING>
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Press ml 5times.
Press ~.
Press m] .
Press ~.
Enter aspeed-dial number using the number keys.
Example To store afax number in the speed-dial
number 10, press ~, then ❑.
Press ~
Enter the party’s name (to amaximum of 16
characters).
(See page 4 for detailed instructions.)
Press ~.
Enter the fax (telephone) number to be stored.
Amaximum of 32 digits can be entered, including
pauses and hyphens.
Example 0123456
Press ~.
Repeat steps 5-10 to program other numbers.
Press -1 to finish speed-dial number
programming.
■For instructions on printing out alist of programmed names and numbers, see page 4.
■To interrupt programming, press [-] .
SET MODE ?
O.T DIAL SET ?
SPEED DIAL SET ?
SD No. .Ou?
SD No. =l~?
ABCDE~
I
I012345~\
S.D No. =Ifl?
Jun .26 ’93 12:00
“G
■To enter ahyphen (-), press ~\.
BTo enter three-second pause between two digits of anumber, press IREDIAL/PAUSE Iin the appropriate place. A
semicolon (;) indicates apause.
—.— .— .—.
LCanceiing programmedone-touch dialing numbers j
—
1. Press -] five times.
2, Press [=E~] twice.
3. Press the one-touch dialing key of the number you want
to cancel.
—6—
Example: One-touch 2
0.1 No. .g7
w

4.
w5.
6.
7.
Press Lf3ET ].
Press [STOP/C’],
Press [~.
——.
Repeat steps 3 – 6 to cancel other one-touch key.
Press [STO~ to finish canceling.
———
EEALER AI
IO.T No. = IQ?J
~carice~wprogrammedwed-dialingnumbers __“.__’-
———
1. Press ~NU ]five times.
2. Press ~ETl
3. Press [MENU;.
L4. Press [S~l.
5. Press the number to be canceled.
6. Press [~].
7. Press @TOP/Cl.
8. Press\ SET\.
Repeat steps 5 – 8 to cancel other speed-dial numbers.
9. Press -].
<CALENDAR AND CLOCIO
L1.
2.
3.
4.
5.
6.
Press ml 5times.
Press ~
Press -] 3times.
Press ~.
Enter the month, day, year and time using the number
keys.
●The time must be entered using 24-hour system.
. The month, day and year should be entered in 2
digits each.
Example to enter June 26, 1993, 12:00, Dress ~.
Emlmmmmmmml. ‘“
Example: Speed-dial number 10
IS. DNo. =l~?l
IEEALER AI
SET MODE ?
O.T DIAL SET ?
TIME SET ?
N4. 10 ’93 10:00
~6. 26 ’93 12:00
Press ~.Jun .26 ’93 12:00
rI
HIf you make amistake, move the cursor to the appropriate place, then enter the correct number.
Press ❑to move the cursor right.
Press ❑to move the cursor left. —7—

2. PERIODICAL INSPECTION AND MAINTENANCE
I I
ml —1
C9
NC9
—8—

3. OUTLINE
(1) Pad name and functions
Front view
hpen ~u~on I
Original guide
I]-Cove’
Right side
Rear
Original slot
——..—--.-——
_._———
___.—— .—
AUTO MANU PULSETONE
F! -. --- .!.7
guide
I
AUTO/MANU switch PULSE/TONE switch
~Handset jack
,Handset
view /“”
Rear ;over /\
Inner view AC cord
f-)
F!&4
~p“--mlF’=’FsOr
ment release lever
ment feed roller
Telephone line jack (LINE)
LGreenreleaselever
—9—

@One-Touch Keya
L=
ERROR Lamp
@(FEHLER) _
\@MENU Key
L--
●SETKey
L--
~ANSWER Key
I0AN5wER LSmfI
e
(1
%3 FEHLSF4
[1IIIII
‘o’i’cp’ ,p‘o 80 ‘c
STOP/L KOPIE START
●Shows calendar and clock functions, operation guidance, machine status, e
●Frequently dialed numbers can be stored in memory using thesa 8 keys
The one-touch keys are also used when entering names in memory.
●Llghta if acommunication error occurs.
●Press this key when selecting verioua functions.
●Preee thla key to confirm aela%ona.
●Preee this key to set to answer mode.
●Lights when the unit ia set to answer mode.
—
●Press this key when using speed dial.
.Press this key to radal the last number dmled.
●Press this key to inserta peuaebetween two d~ife in anumber Eeing dialt
:fNTsUl
r7“-
@Number Keys O-9 #“ ●These keys are used to dial fax and phone numbers and to change various
functions. —.
~TONE Key(•) ●Press this key to switch from pulse dlalmg to Touch-Tone dialing.
@HOLD Key(@) ●Tem&rarily places acall on hold. .—
@SPEAKER Key(~) ●Allows you to momtor acall without using the handset.
@f CONTRAET Key ●Press this key to select contrast settings.
~RESOLUTION Key
(AUFLOSUNG) ●Press this key to select resolution setlmgs.
—
@START Key ●Press to start transmission or manual reception.
eCOPY Key ●Press to make acopy.
.Press to interrupt transmission/reception/copymg or to atop the ERROR ‘-
0sToP/c Key indicator Iightmg.
●Press to cancel various setting and dialing funcflons and to remove an
original document that has been placed in the unit.
—

(3) Original documents precautions
9Transmittable original size
1.5 m
(4.9’)
IMaximum IT
148 mm
Jdirection J
148 mm
(5.8”)
I●
Minimum
0
Insertion
direction
■Effective text width
~208 mm(8.2’’)pl
11A
/’4
/’.
/,
/,
/, direction H
Note: An original other than specified should be reduced
or enlarged by the photo copier then the copy can
be used as an original document.
■Effective thickness
[II
II1original sheet multi sheets ~
-—
thickness 0.05–0,15 mm 0.08– 0.13 mm’~
(per sheet) (0.002” -0.006”) (0.003” -0.005”) J
—11—

4. MECHANICAL OUTLINE
O. Transmission Mechanism
When, in Fig. 4-1, the document is inserted, the first sensor detects the
document and the transmission motor starts to rotate.
Subsequently, the automatic document feed roller also rotates and
the document is fed to the position of the platen roller and is stopped.
(the automatic document feed roller also works for the separation of the
document when multiple documents are inserted)
When the START or COPY button is pressed here, the transmission motor
rotates again and the document is fed forward.
@. Reception Mechanism
As shown in Fig. 4-1, the recording paper is pressed by the platen roller and
the thermal head. The platen roller is rotated by the reception motor and
feeds the recording paper forward. When the printing is finished, the
recording paper is fed to the cutter until its cutting position and it’s cut.
There are two sensors for the recording paper, one is for detecting the
recording paper itself and the other is for detecting its jamming.
It is noted that it will be acause of recording paper jam when the recording
paper is not inserted straight or is not rolled tightly.
Original document paaa
Jam Sensor\
R
M4 (Tel
or (CIS)
Receiving Motor M3 (NCU) PCB Ml (main) PCB
—
—
Fig. 4-1
—12—

3, M-3 PCB(NCU PCB)
This is aNetwork Control Unit connecting the telephone line and
this facsimile.
The following fimctions are included.
OHookup detection
@Ringing signal detection
@Dial pulse generation
@Relay drivers
@Tx/Rx separation circuit
4. M-4 PCB(TELEPHONE PCB)
This PCB contains telephone circuit.
The following fh.nctions are included.
0Speech Network circuit
@Line monitor function
9Ringer circuit
5. M-5 PCB(RX. Mechanism Control)
This PCB contains the driving circuit for Rx. stepping motor and cutter
motor, and sensors for recording paper detection and its jamming.
6. M-6 PCB(TX. Mechanism Control)
This PCB contains the driving circuit for Tx. stepping motor and sensors
for detecting the original document.
7. M-7 PCB(Power Supply)
This is apower Supply using the switching regulation techniques.
It supplies +5V, *12V, and +24V.
8. LCD Display
This contains 16x 1LCD and segment/common driver.
9. Thermal Head
This contains 1728dots (8dotshnm) of heat generating elements and driver
circuit.
10. Contact Image Sensor(CIS).
This CIS converts scanned image to electrical signal.
11. Monitor Speaker.
This is aspeaker used for monitoring the line.
Aswitch for monitor control volume is mounted on the Telephone PCB
(MA).
12. Ringer Buzzer
This is abuzzer for ringing.
Aswitch for ringer control volume is mounted on the Telephone PCB
(M4).
13. Handset
This contains amicrophone and aspeaker.
—14—

5-2. Trouble shooting for mechanical Parts
When trouble occurs, thoroughly confirm the cause of the trouble and carry out appropriate repair.
SYMPTOMS CAUSE COUNTERMEASURE
The document, even when 1. The platen roller is not rotating 1. Press the green release lever,
inserted, is not fed. properly. then insert the document again.
2. Dirt on the ADF roller. 2. Clean the ADF roller.
(roller 1) (See page 8)
3. The sensor 1is not adjusted 3. Adjust the level of the sensor 1.
properly or out of operation. Confirm the operation of the
sensor 1.
(See page 12)
The documents are fed overlapping. Dirt on the rubber sheet. Clean the rubber sheet.
(More than one sheet are fed at a(See page 24 Fig. 6-16)
time.)
The document is not fed straight. 1. The original guide is not adjusted 1. Adjust the original guide along by
along by the original. the original.
2. Dirt on the platen roller. 2, Clean the platen roller.
(roller 2) (See page 8)
3. Pressure for the Contact Image 3. Adjust the pressure repositioning
Sensor is not equal in the both the Contact Image Sensor.
sides. (See page 23)
When copying or transmitting the The exceeding part of the original Clean the platen roller. (roller 2)
exceeding part of the original is on the platen roller is dirty. (See page 8)
printed as blurred black if less than
A4 or letter size of original is used.
When copying, white vertical line 1. There is dirt sticking to the 1, Clean the thermal head.
appears that is not on the original, thermal head, (See page 24)
2. The heating element of the 2. Replace the thermal head.
thermal head is broken. (See page 24)
Although the recording paper is in 1. The recording paper sensor is 1. Adjust the level of the 1st Sensor.
the position, “CHECK PAPER not adjusted properly or out of (See page 12)
ROLL” is indicated on the LCD. operation. 2. Place the recording paper
2. The recording paper is not properly.
placed in the proper position.
No cutting the recording paper. The copy cut previously still remains Remove the copy remained in the
in the cutter position. cutter position, then confirm the
performance. (Still same situation,
Replace the cutter.)
(See page 24)
When copying with High grade The recording paper is placed Place the recording paper without
thermal paper, the copy is shrank. slackly. slackness.
—15—

5-3. Trouble shooting for circuitry
(1) No displayon LCD lightwhen Poweristurned ON.
Check the connection of CN6 (M-1) and CN61 (M-6).
Check pin No. 12 of CN7 (M-1), +5V? Check Power Supply (M-7).
Check the connection of CN2 and CN21.
1YES
1Check the connection of CN22 (M-2) and L~l
IYES
Check the Main PCB (M-1)
(2) Key-in is impossible from the operation panel.
Check the same as described (1).
/YES
Check the connection of CN2 (M-l). Check the Main PCB (M-l).
TLI
Check the operation panel PCB (M-2).
.—
(3) LCD indicates“CHECK PAPER ROLL”.
EIIs=L
Is recording paper set properly?
In the Receiving cover closed securely?
~Check the connection of CN5 (M-l).
IYES
is/PAP (CN5-pin No. 4) less than 0.5V? Check the reception mecha PCB (M-5.)
IILI
1
&1NO
Check the recording paper SW on the M-5 PCB.
—16—

(4) No motor rotates when the original is inserted.
NO
1s/S1 (CN6, pin No. 14) low? <-”” A
Check the connection of CN6 (M-l).
1YES NO .—
Check the connection CN6 (M-1) and CN61 (M-6.) Check the S1 sensor.
IYES NO
ls/TMIO-3 (CN6, pin No. 20-23) OK? Check the M-1 PCB.
JYES
Check the connection of CN62. I
iYES
Check the Transmission Mecha control PCB (M-5).
IYES
\Check the Transmission motor. I
(5) No copy is made.
NO
Is the Head test OK? (See page 27) Check the printing circuit.
I11
1
1YES
rt
Check the reading circuit.
%_
(a) Printing Circuit (To be confirmed by the Head test)
Check the connection of CN4 (M-1 )and CNTPH (Thermal head).
L
1YES
Does +24V appear at CN7, pin No. 15? Check the power supply PCB (M-7).
IYES NO
Does HVON (CN7, pin No. 1) work properly (High at printing)?
IYES NO
Do the signals (DATA (CN4, pin No. 6), CLK (CN4, pin No. 7)) appear normally? 1
IYES
Do the signals (/STBl, /STB2 (CN4, pin No. 8, 9)) appear normally?
IYES
11
ICheck the Thermal head. I
—17– Check the M-1 PCB.

(b) Reading Circuit (To be checked by Scanning test)
Check the connection of CN6 (M-1) and CN61 (M-6).
IOK
Check the connection of CN63 and CNCIS (CIS).
YES
Does VIDEO (CN6, pin No. 10) appear normally?
1YES NO
Is GLED (CN6, pin No. 2) low?
IYES
Do the signals (S1(CN6, pin No. 5) and CLK (CN6, pin No. 3)) appear normally?
IYES
Check CIS.
F
(6) Can notenterthe TxJRx. mode by pressing @TART] switch under OFF-HOOK condition
(a) In case of the extension telephone connected to the SFX-30
Check the connection of extension telephone and MJ42 (M-4).
IYES
ls/HS (CN31, pin No. 8) low on the NCU PCB (M-3)? Check the NCU (M-3).
/YES
Check the M-1 PCB.
(b) In case of the Built-in telephone
Check the connection of CN31 (M-3) and CN3 (M-l).
IOK
Check the connection of MJ43 (M-4) and handset. I
IOK NO II
ls/DHS (CN41, pin No. 7 on M-4) low? Check the M-4 PCB.
&—18—

(7) No Dial out
Is the position of the Dial selection
switch (SW2 (DP/ PB)) on M-1 PCB?
II
1
IOK
t
Which can not be dialed, DP or Tone? Is the position of the DP selection
memorv switch (1O/20PPS) correct?
1II.I
*=Check the Tone related clrcut Check the DP generation circuit.
(a) In case of the TONE dialing
NG
Does the TXLINE (CN3, pin
No. 17 on M-1) appear normally? Check the M-1 PCB.
IOK NG
Do the TEL1 and TEL2 (CN33,
pin No. 7 and 8) appear normally? Check the NCU PCB (M-3).
1OK
ICheck the TEL PCB (M-4). I
(b) in case of the DP dialing
NG
Does the DP (CN31, pin
No. 11 on M-3) appear normally? Check the M-1 PCB.
1OK NG
Do the TEL1 and TEL? (CN33,
pin No. 7 and 8) appear normally? Check the NCU PCB (M-3).
IOK
ICheck the TEL PCB (M-4).
—19—