Sanyo CLT-586X User manual

IFILE NO. I
Service manual
CONTENTS
Transmitting frequency
Base station:.. 30.075-30.300 MHz
Handset: ........39.775-40.000 MHz
Receiving frequency
Base station:.. 39.775-40.000 MHz
‘L Handset: ........ 30.075-30.300 MHz
Noise Reduction ................. Super-Compander IV
Speaker Control ................. yes
Memory Dia i ...................... 10-number
Channel Access .................10 ch
Security Codes ................... 10 Milion(random)
Speaker Phone .................. yes
Continuous Stanby ............. 40-days
Auto Standby/
Quick Talk Access .............. yes
Paging ....................... yes
Flash ....................... yes
Ring control ....................... yes
Hearing-Aid Compatible ..... yes
Redial/Pause ...................... yes
Specifications subject to change without notice.
Cordless Telephone ““ CLT-586X(AU)
CLT-586(RU)
ii
o
/#
a5-
000
000
000
000
00
“
.
PRODUCT CODE No.
163047 90 (AU)
163047 86 (RU)
Tone/Pulse ....................... yes
Antenna ....................... Rod,
Walk-Mountable ................. yes
Power Source
Base station:
Handset:
Dimensions Base station:
Handset:
Accessories ....................
AC adaptor
AC230-240V, 50Hz(CLT-586X)
AC220V, 50 Hz(CLT-586)
DC9V
Ni-Cd battery: 3.6V, 270 mAH
187 (W) x71.5 (H) x 244 (D) mm
57 (W) x 286 (H) x 57 (D) mm
AC adaptor and plug adaptor
Telephone line cord
Wall mount Hanger
Instruction manual
Number Memory Index Sheet
Battery Pack
REFERENCE No. SM900106

ADJUSTMENT
1. ALIGNMENT FOR BASE SECTION
NOTE: Duringalignment,disconnectthe antenna wire from the
set.
For test mode condition, please refer to Remarks.
1-1. Tx/Rx VCO (See FIG-1, TABLE-1)
Test Equipment
.DigitalVoltmeter
●DC Power Supply (DC 9.OV...CENTER MINUS)
cFrequency Counter
Unit Condition
Test mode: Keep pressing “lNT/PAGE” key down during supply
of 9V dc and toggle the slide switch of “PULSE/TONE” switch.
Confirm wheather the two LEDs( D406 and D407)
are all ON.
a)
b)
c)
d)
e)
Set unit to “TEST” mode.
Connect the circuit as shown.
Switch position S402 +PULSE Tx “ON”
Confirm the unit is transmitting at channel 10,
30.300 MHz,through the frequency counter.lf not either
depressed the “O”of the dial pad of change the channel by
using “lNT/PAGE key.
Align T202 (Tx) and T102 (Rx) to obtain 3.OV f0.1 VDC from
read of digital voltmeter respectively.
Adjustment Unit Tx
Tx VCO
T—RF(H)
Frequency RX VCO oDigital
Counter Voltmeter
.RF(E) GND Rx
(FIG-1)
STEP CONDITION ADJUST ADJUSTED VALUE SPECIFICATION
1. Tx VCO Tx VCO side T202 3.0 v3.OV* 0.1 v
2. Rx VCO Rx VCO side T102 3.0 v3.ovto.l v
(TABLE-1)
-1-

ADJUSTMENT
1-2. TRANSMllTING (See FIG-2, TABLE-2, FIG-3, TABLE-3)
Test Equipment
●RF Electronic Voltmeter
●Linear Detector
●AC Adapter (DC9.0V...CENTER MINUS)
●Frequency Counter
●AF Oscillator
●Dummy Load (50 Q)
Unit Condition
a)
b)
c)
d)
e)
f)
9)
Continue from 3-1 ,test mode condition.
Connect up the circuit as shown below.
Access channel 7, 30.225MHz, by pressing “FLASH” and then
the “lNT” button,or depress ‘7” key on the dial pad.
Switch position S402 +PULSE Tx Power “ON”
S902 +PULSE Tx Muting: “ON
Through the frequency counter ,confirmthe unit is transmitting
in 30.225 MHz by aligning CT101.
Confirm the transmission power is 6.OdBm +2.OdBm through
the RF Voltmeter with the 50 ohm adaptor.
Tx MODULATION 1. S902-+RINGER ON Tx Muting:
“OFF”.
Adjustment (T-1 )
Unit
r
RF (H)
RF (E)
2.
3.
4.
Mute the Rx by soldering a220~F
at R31O to GND.
AdjustAF oscillatorto 1KHz, and the
output level at the ACVM is -20dBm.
Align VR601 to obtain 2.0 kHz t0.1
at linear detector.
Confirm at AF Osillator to Tel Iinne.
300 Hz, –20 dBm: the read of linear
detector 1.5 kHz t0.30 kHz dev.
3kHz, –20 dBm: the read of linear
detector 3.2 kHz k0.30 kHz dev.
h) Tx DATA MODULATION
1. Depress “REDIAL” Key.(Tx data is
sent.)
2. Check the read of linear detector is
3.6 kHz t1.0 kHz dev.
CARR
IRF I
Frequency
Counter
(FIG-2)
STEP CONDITION ADJUST ADJUSTED VALUE SPECIFICATION
1. Tx LEVEL CARR side 6.0 dBm 6.0 dBm +2.0 dBm
2. Rx FREQUENCY FREQ side CT101 30.225 MHz 30.225 MHz *0.5 kHz
(TABLE-2)
-2-

ADJUSTMENT
Adjustment (T-2)
Output impedence
“
ml
-.
600 Q
Al= Loop
Oscillator Simulator
Power
supply
48V Dc
Unit
RF (H)
(TEL Line) Linear
RF (E) Detector
R31O GND
+
220 pF/10V
(FIG-3)
STEP ICONDITION IADJUST IADJUSTED VALUE ISPECIFICATION I
II11
3. LINE Mod. OSC OUTPUT 1kHz VR601 2.0 kHz dev. 2.0+0.1 kHzdev.
4. DATA Mod. L---
(-20 dBm) 300 kHz ------ 1.5 kHz dev. 1.5 t0.30 kHz dev.
3kHz ...... 3.2 kHz dev. 3.2 f0.30 kHz dev.
...............- ------ 3.6 kHz dev. 3.6 ~1.0 kHz dev.
(TABLE-3)
1-3. RECEIVING (See FIG-4, TABLE-4)
Test Equipment
●FM SSG (50 Q:OPEN TYPE)
●AC Voltmeter (AFVM)
●AC Adapter (DC 9.OV CENTER MINUS)
●Distortion Meter
●Dummy Load (600 !2)
Unit Condition
a)
b)
c)
d)
e)
f)
9)
Set the condition as in 3-2.
Depress “FLASH” to change to channel 6, 30.220MHz
confirm through frequency counter.
Switch position S402 +TONE Tx Power “OFF”
S902 +TONE Tx Muting “On”
Connect the circuit as shown below.
Set the frequency Modulation Signal generator to
39.900MHz,1000Hz mod. 2000Hz dev. at 46dBL output.
Rx IF
Align T301 to obtain maximum deflection and minimum
distortion from the read of AC voltmeter and distortion meter
respectively.
Rx RF
Change output level of FM SSG from 46 dBv to 5dB&
AlignT101 to obtain minimum distortionat the distortion meter
.
h)
i)
3.
(less than 10%)
AF LEVEL
Chahge output level of FM SSG from 5dBj.ito 46 dB~.
Align VR302 to obtain –3.OdB~ t0.5 dB from read of AF
voltmeter, and confirm at the FM SSG input of
300 Hz: the output of AFVM –2.5 dBm f2dBm
3kHz: the output of AFVM –9.OdBm i3dBm
CD Level Adjustment
Change output level of FM SSG from 46 dBm to 10 dBm.
Align VR301 anti-clockwise so that the DC voltmeter just turn
to Low,then align VR301 clockwise so that the DC voltmeter
just turn to Low.
Confirm the CD Level is Low by changing the FM SSG output
8dBV.
Confirm the CD Level is High by changing the FM SSG output
12dBU.

ADJUSTMENT
Adjustment SSG Unit 600 Q
L
L
L
L
RF (H) (TEL Loop Al=
FM SSG line) Simulator Voltmeter
RF (E)
Mod. :1 Khz I
Dev. :2.5 KHz Power Distortion
supply
48V Oc Meter
(FIG-4)
STEP CONDITION ADJUST ADJUSTED VALUE SPECIFICATION
1. IF SSG OUTPUT 46 dB~ T301 MaximumLevel -----------------
2. RF SSG OUTPUT 5dBK T101 Minimum Distortion Less Than 107.
3. AF LEVEL (US version) SSG: 46 dBK (1 KHz) VR302 -3 dBm ~0.5 dBrn
(300 Hz) ----- ................. -2.5 dBm t2dBm
(3 kHz) ----- ................- -9.0 dBm *3dBm
4. CD LEVEL SSG OUTPUT 10 dB~ VR301 CHANGE of OUTPUT LEVEL
SSG OUTPUT 8dBp OUTPUT LEVEL’’LOW’’(CD ON)
SSG OUTPUT 12 dBp OUTPUT LEVEL’’HI’’(CD OFF)
(TABLE-4)
I I 1I1~ (MOD. T)
S402 S902 (VCO. T) VR601
T202 ❑R213 >J169
Q
GND POINT
QQ---==N’
~&;;y~o @::;;;T,
❑CHECK POINT
T102
(VCO. R)
f
CN902
DC SUPPLY 9V
CENTER -VE
CN901
TEL LINE
❑
e
T101
(RF. R)
Q’301
0(IF. R)
(CD. R)
VR301 ❑
+~EyR)
Q_
+
\J150
CD POINT
(FsW#
•1 ❑
S405 o
IPAGE)(IN
-4-

I
ADJUSTMENT
TEST POINT
ANT~ ANTO D& Dc09v SP@
VLXO V%xo Kl~fER \sP@
\ \ I
I
TEST ~COM I
VDD GND
-5-

ADJUSTMENT
●Accessing of Test mode can be either bysoldershorf ICOO1
pin2 to Grid. or depressing key number “l” and “9”
simultaneously, during intil DC power supply to the unit.
2. ALIGNMENT FOR HANDSET SECTION
2-1. Tx/Rx VCO
Test Equipment
●Digital Voltmeter
●DC PowerSupply(DC 3.8V)
Unit Condition
Adjustment Unit Tx
IC351 6pin Tx VCO
T
f
4pin Rx VCO ~Digital
Voltmeter
GND f+
STEP ICONDITION IADJUST IADJUSTED VALUE ISPECIFICATION I
1.Tx VCO Tx VCO side T253 1.5V 1.5vfo.l v
2. Rx VCO Rx VCO side T153 1.5V 1.5 V*0.1 v
a)
b)
c)
d)
Set unit to TEST” mode .
Setup the unit as shown below.
Depress “O”followed by “*” to obtain channel 10 transmission
frequency of 40.000MHz.
AlignT253 (Tx)&T153 (Rx) to obtain 1.5 V+0.1 VDC reading
from digital voltmeter respectively.
2-2. TRANSMllTING
Test Equipment
●
●
●
●
●
●
RF Electronic Voltmeter
Linear Detector
Dummy load (50 !2)
Frequency Counter
AF Oscillator
DC Power Supply (DC3.8V)
Unit Condition
(a) Set the unit under test into test mode.
(b) Connect the circuit as shown below.
c) Tx FREQUENCY
Change the frequency 39.925MHz, by depressing 7“ fdlowed
by “*” of the dialing pad monitor at the Frequency counter.
Align CT151 to obtain 39.925 MHz &0.3 kHz from freq.
counter.
.
d)
e)
f)
6-
Tx Power
Connect the RF Electronics Voltmeter to the unit and align
T251 and T252 to the maximum power obtainable.
>7.0 dBm +5.0 dBm-OdBm.
Tx MODULATION
Connect the Linear detector to the unit.
Inject AF oscillator (1 kHz, 10mV) to microphone input.
Align VR651 to obtain 2.0 kHz *0.1 kHz dev. from Linear
detector.
(n/F Mode)
Confirm Hands free Tx Mod as following.
Hands free Mode is ON by pushing “SPEAKER” key and
“CHANNEL” key. Then Hands free (H/F) Speaker Mute is ON.
Confirm 2.6 *0.5 kHz dev.
Tx DATA Mod
After e) Push “Talk”key. Check the read of linear detector is
4.0 kHz +1.0 kHz dev.

ii
ADJUSTMENT
Adjustment (T-1)
50S2 Adaptor
IiRF
Electronic I
AF 6iv-r I
Unit
Oscillator —
)MIC IN(H) RF IN (H)
)MIC IN(E) FREQ 0Counter
RF IN (E)
ACVM
iLinear
Detector
Oscilloscope
STEP ICONDITION IADJUST IADJUSTED VALUE ISPECIFICATION
1. Tx LEVEL CARR side T251/T252 above+7.O dBm 7.0 dBm -12.OdBm
2. Tx FREQUENCY FREQ sied CT151 39.925 MHz 39.925 MHz k0.3 kHz
3. Tx MOd. 1KHz,l OmV VR651 2000Hz Dev. ~1()()Hz Dev.
0.3KH2, 1OmV confirm 900- 1900Hz Dev.
E~lOmV IIconfirm \1700 -2800Hz Dev.
4, Handfree 1KHz, 10mV confirm 2100 -31OOHZ Dev.
5,Tx Data confirm 3000 --5000Hz Dev.
—
2-3. RECEIVING
Test Equipment
●FM SSG (50 Q: OPEN TYPE)
●AC Voltmeter
●DC Power Supply (DC 3.8V) 9)
●Distortion Meter
●DC Voltmeter
Unit Condition h)
a)
b)
c)
d)
e)
f)
From the mode mentioned in 1-2, push ‘6” +“*” key to
select channel 6th 39.900 MHz monitor at the frequency
counter (1000Hz mod. 2500Hz dev., 30.200 MHz, 46 dB~ at
FM SSG)
Reconnect the circuity as shown below. i)
Note the termination load of Ear speaker is 150 Qdummy
load across the Ear SP terminal and 16 Qdymmy load across
the H/F SP terminal.
Ear Speaker output and Hands-Free Speaker output setting
is normaLTo change to volume high,depress “MEMORY”.
To change again to normal volume ,depress “MEMORY”
again.
Rx IF
Align T351 to obtain maximum deflection and minimum
distortion at AFVM and distortion meter respectively.
Rx RF1
Reduce output level of FM SSG from 46 dBL +5dBL.
Align T151 to minimum distortion shown at the distortion
meter (less than 107.)
Rx AF LEVEL
Increase output level of FM SSG from 4dBp +46 dBL.
Align VR351 to obtain 50 mV *5mV Ear speaker output at
AFVM.
(H/F Mode)
Confirm Hands free speaker output as following.
Hands free Mode is ON by pushing “SPEAKER” key.
Confirm H/F speaker output is 0.74 to 0.93 Vat AFVM.
Auto Scan CD Level Adjustment
Reduce the Frequency Modulation Signal Generator output
level to 10dBU.
Align VR352 (anti-clock wise) to have achange output level
from Low to High through the DC Voltmeter.
Align VR352 (Clock Wise) the out put of DCVM Changes
from High Level to Low level.
Change output level of FMSSG to 12 dBV +8dBK and
confirm the output of DCVM is from Low to High level.
-7-

1
ADJUSTMENT
PI=
Mod. :1 KHz
Dev. :2.5 KHz
Unit
RF IN (H) SP OUT (H)
RF IN (E) Rx Monitor
wen CD ADJ
SP OUT (E)
H/F SP OUT (+)
H/F SP OUT (-)
CD OUT
Distortion
Meter
AF
Voltmeter
60 Q
~Voltmeter I
STEP CONDITION ADJUST ADJUSTED VALUE SPECIFICATION
1. IF SSG OUTPUT 46 dBU vol,Hi T351 Minimum distortion Less Than 3%
2. RF SSG OUTPUT 5dBL vol,Hi T151 Minimum distortion Less Than 107.
3-1. AFLEVELEarSP SSG: 46 dB~(l kHz) vol,Hi VR351 50 mV 50 mV *5mV
(300 kHz) vol,Hi ..... ................. 61mVtol10mV
(3 kHz) vol,Hi ----- ----.-----.------ 10mVto25mV
1(1 kHz) VOI,LO ..... ................. I70 mV to 90 mV
3-2. AFLEVELH/FSP SSG: 46 dBK VOI,LO ----- ................. 740 mV to 930 mV
vol,Hi 0.93V to 1.67 mV
4. CD LEVEL SSG OUTPUT 10 db~ VR352 10 dbp 10 ~2dBK
8db~ Output Level “High”
12 dbp Output Level “Low”
-8-

1
ADJUSTMENT
FREQUENCY LIST of CORDLESS TELEPHONE
BASE UNIT
CH lx FREQ Rx FREQ Rx LOCAL
No (MHz) (MHz) FREQ (MHz)
130.075 39.775 29.080
]2/ 30.100 I39.800 I29.105 I
330.125 39.825 29.130
430.150 39.850 29.155
530.175 39.875 29.180
630.200 39.900 29.205
730.225 39.925 29.230
830.250 39.950 29.255
930.275 39.975 29.280
10 30.300 40.000 29.305
Ist IF=1O.695 MHz, 2nd IF=455 kHz
PARTS LOCATION
El
MlC(H)
@
MlC(:)
TEST POINT
REMOTE UNIT
CH Tx FREQ Rx FREQ Rx LOCAL
No (MHz) (MHz) FREQ (MHz)
139.775 30.075 19.380
239.800 30.100 19.405
339.825 30.125 19.430
439.850 30.150 19.455
539.875 30.175 19.480
639.900 30.200 19.505
739.925 30.225 19.530
839.950 30.250 19.555
939.975 30.275 19.580
10 40.000 30.300 19.605
EAR
.Unm TSPEAKER SHORT FOR
.-L- 150 ohm VCO GND NORMAL MODE
Il—l 1–I~1~ ----
POW.T I
u(
@
CD(H)
1
1
L
—
I1\[(Q))bl 131
CD.
VR352
JTX VCO RX;:fO RF(’E) R;(H)
16 ohm (H)
H&+@:E
HAND FREE SP OUT(-)
(THIS POINT IS NOT GROUND)
GND HAND FREE
VCC +B \SP OUT
SP OUT(+) SP OUT TX(~fO RX VCO
(E) Vco
(H) (H) (E)
-9-