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Sanyo CLT-99, Service Manual

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Service Manual

Cordless Telephone

CLT-99(SS)

PRODUCT CODE No.
163 257 99

SPECIFICATIONS

Transmitting Frequency

Base Station: ...

30.050 ~ 30.375MHz

Handset: ..........

49.730 ~ 49.970MHz

Receiving Frequency

Base Station: ...

49.730 ~ 49.970MHz

Handset: ..........

30.050 ~ 30.375MHz

Noise Reduction ..............

Super Compander

Memory Dial ....................

10-number

Channel Access ..............

10 CH

Security Codes ................

10 million (random)

Continuous Standby ........

14-day

Auto Standby/
Quick Talk Access ...........

yes

Flash ..............................

yes

Ring Control ....................

yes

Hearing-Aid Compatible ..

yes

Redial/Pause ...................

yes

Tone/Pulse ......................

yes

Antenna

........................

Rod

Specifications subject to change without notice.

Power Source

Base Station: ...

AC Adaptor
AC 115/230V, 50/60Hz
DC 12V

Handset: ..........

Ni-Cd Battery: 3.6V, 270mAH

Dimensions

Base Station: ...

190 (W) x 53 (H) x 190 (D) mm

Handset: ..........

54 (W) x 208 (H) x 35 (D) mm
(without antenna)

Accessories

s

...................

Plug Adaptor
Instruction Manual
Number Memory Index Sheet
Battery Pack
AC Adaptor
Telephone Cord
Wall Mount Bracket

REFERENCE No. SM9010009

FILE NO.

COVER

12/7/00, 9:34 AM

1

Summary of Contents for CLT-99

Page 1: ...y 14 day Auto Standby Quick Talk Access yes Flash yes Ring Control yes Hearing Aid Compatible yes Redial Pause yes Tone Pulse yes Antenna Rod Specifications subject to change without notice Power Source Base Station AC Adaptor AC 115 230V 50 60Hz DC 12V Handset Ni Cd Battery 3 6V 270mAH Dimensions Base Station 190 W x 53 H x 190 D mm Handset 54 W x 208 H x 35 D mm without antenna Accessoriess Plug...

Page 2: ...ess to temporarily switch to Touch Tone dialing FLASH Button Used to access special services offered by your telephone company call waiting for example RINGER VOL Button Press and hold for at least one second in standby mode to change ringer volume low or high Contact Points For handset battery charging INTERCOM Button Press to begin an intercom conversation with the base station user Also used fo...

Page 3: ...FLASH Button Used to access special services offered by your telephone company call waiting for example AC Adaptor Jack DC 12V AC ADAPTOR TONE PULSE Select Switch Modular Telephone Jack TEL LINE RINGER Switch Turns the base station ringer on and off This switch must be set to the ON position in order to hear a ring on the base station when an incoming call is received VOLUME Control Adjusts the sp...

Page 4: ...y counter from ANT pin Connect RF electronic voltmeter to ANTENNA test pin 50 Ω probe Confirm that the Tx power level is 25 65mW at RF voltmeter No alignment c Tx MODULATION Disconnect RF electronic voltmeter from ANT test pin and connect linear detector to ANT test pin Inject AF oscillator 1kHz 10mV to microphone input Align VR651 to obtain 2 5 0 15kHz dev from Linear detector and check 300Hz 2 1...

Page 5: ...nfirm the Batt Low output of pin 44 IC 001 is Low level when DC Power Supply is 3 05V Adjustment T 3 FIG 3 ADJUSTMENT ADJUSTMENT FM SSG IC 001 ANT H GND AF Voltmeter Unit TEST Mod 1kHz Dev 3 0kHz dev pin 44 Batt Low Ear Spk pin 24 CD Distortion Meter R 150 Ω Oscilloscope DC Voltmeter MIC GND MIC IN H GND CD B T253 VCO T VR651 MOD T T152 RF R ANT H ANT GND T151 RF R T153 VCO R VCO R VCO T T351 IF R...

Page 6: ...LED PIN 10 9 8 2 ALIGNMENT FOR BASE STATION NOTE DURING ALIGNMENT DISCONNECT THE ANTENNA WIRE FROM THE SET 2 1 Tx Rx VCO Tx Frequency See FIG 4 TABLE 4 Test Equipment Digital Voltmeter AC Power Supply DC 12V Center Minus Frequency Counter Unit Condition a Set unit to TEST1 mode by shorting TEST point IC401 36 pin to ground b Connect the DC power supply c Connect frequency counter to CN101 d Set sw...

Page 7: ...ign VR301 to obtain 6dBm 1dBm from the read of AC voltmeter and confirm at the FM SSG input of 300Hz 46dBµV the output of ACVM 12dBm 4dBm 3kHz 46dBµV the output of ACVM 18dBm 4dBm h CD Level Check Switch position S402 TONE Tx OFF Connect OSCILLOSCOPE to CD OUT Confirm CD level is High Low when FM SSG is 0 24dBµ Confirm CD level is High when FM SSG is 0 2dBµ Adjustment FIG 6 TABLE 6 STEP CONDITION ...

Page 8: ...TA OFF C Volume Control Volume Control Loud Normal switch over each time the MEMORY key is pressed Initial volume is Normal Only Tx POWER ON D Rx MUTE ON OFF Rx MUTE ON OFF switch over each time the CHANNEL key is pressed Only Tx POWER ON E Detection of battery low BATT LED is ON F Key monitor inspection mode i Each time a key is pressed the TALK LED lights and the key monitor sounds ii Keys are p...

Page 9: ...shed measurement disconnect the jig switch from the pwb assembly NOTE Ringer switch must be at ON position 3 Control of Tx POWER Rx MUTE 4 Control of Tx Mute Rx Mute 5 Setting of PLL Channel Tx and Rx are the same number of channel i Increment of PLL channel Press the PAGE INT key ii Setting of PLL channel Press one numeric keys 1 0 iii Set to 6 CH Press FLASH key While FLASH is pressed Rx MUTE ON...

Page 10: ... 17 16 EXPLODED VIEW HANDSET EXPLODED VIEW BASE STATION CLT 99 SS S M 6 12 1 00 3 17 PM 10 ...

Page 11: ...070782012 ZENER DIODE MTZ T 7739B or 4070782111 ZENER DIODE MTZ T 7739C or ZENER DIODE or ZENER DIODE or ZENER DIODE D902 4070781916 ZENER DIODE MTZ T 7739A or 4070782012 ZENER DIODE MTZ T 7739B or 4070782111 ZENER DIODE MTZ T 7739C or ZENER DIODE or ZENER DIODE or ZENER DIODE D905 4070639118 ZENER DIODE MTZJ6 8B T 77 D907 4070996419 ZENER DIODE MTZJ11B T 77 HT001 6141215891 HEAT SINK IC301 409467...

Page 12: ...RAMIC 0 01U K 50V C351 4031347410 CERAMIC 1U Z 16V C352 4030680419 CERAMIC 0 1U Z 25V C358 4030679819 CERAMIC 0 1U K 25V C650 4031925915 CERAMIC 0 1U K 25V C651 4030200419 CERAMIC 27P J 50V C652 4032070317 CERAMIC 1U Z 16V C653 4032070515 CERAMIC 0 47U Z 16V C656 4030095718 CERAMIC 100P J 50V C660 4030289919 CERAMIC 560P J 50V C666 4030683311 CERAMIC 0 033U K 25V C670 4030708816 CERAMIC 1500P K 50...

Page 13: ... 8W R027 4010375212 MT GLAZE 100 JA 1 10W R030 4010390314 MT GLAZE 820 JA 1 10W R037 4010389219 MT GLAZE 6 8K JA 1 10W R042 4010370415 MT GLAZE 56K JA 1 8W R046 4010355412 MT GLAZE 100K JA 1 8W R095 4010387819 MT GLAZE 56K JA 1 10W R099 4010368313 MT GLAZE 4 7K JA 1 8W R100 4010354118 MT GLAZE R0 000 ZA 1 8W R201 4010375014 MT GLAZE R0 000 ZA 1 10W R657 MT GLAZE 330K JA 1 8W R689 4010382111 MT GLA...

Page 14: ...ssion signal reach pin 25 of IC301 Check IC301 YES 4 Does the transmission signal reach pin 18 of IC301 Check IC301 YES 5 Does the transmission signal reach telephone line side of T901 YES Check T901 Q702 Q701 IC701 and Q709 NO NO NO NO TROUBLE SHOOTING NO NO NO NO YES YES NO NO NO YES f No voice signal is emitted during voice communications of handset ear speaker TALK MODE Base Station 1 Is there...

Page 15: ...h pin C Q704 Check Q704 Q710 YES 3 Does the voice signal reach pin 8 and 5 IC703 Is the level of pin 1 of IC703 Low YES YES NO Check IC703 Check IC401 4 Does the voice signal reach terminal of speaker Check speaker and speaker connector Transmission signal YES 1 Does the microphone signal reach pin 23 IC706 Check IC706 YES 2 Does the transmission signal reach pin 45 IC301 Check IC701 IC301 NO NO N...

Page 16: ...33 PTH01 NOT USED I 34 PTH00 NOT USED I 35 T10 BATTERY DETECT 1 I 36 T11 TEST I 37 T23 SPK B O L 38 P22 PCL NOT USED O 39 P21 PTO1 BEEP OUT O 40 P20 PTO0 BEEP CTRL O H 41 P03 SI RINGER ON OFF I 42 P02 SO MC13109 DATA I L 43 P01 SCK MC13109 CLOCK I 44 P00 INT4 AUTO SCAN 1 L 45 P123 NOT USED O 46 P122 NOT USED O 47 P121 MC13109 CHIP ENABLE O 48 P120 RELAY O L 49 P133 SPK LED O L 50 P132 INT LED O L ...

Page 17: ... RESET INPUT 21 X1 MAIN CLK SYSTEM CLOCK IN 4 093MHz 22 X2 MAIN CLK SYSTEM CLOCK OUT 4 093MHz 23 P33 BATT LOW LED BATTERY LOW LED CONTROL L O I O 24 P32 CD AUTO SCAN SIGNAL LEVEL DETECT L I I O 25 P31 Rx POWER Rx POWER CONTROL L O I O 26 P30 Tx DATA TRANSMIT DATA OUTPUT 3 ST O I O 27 P81 Tx POWER Tx POWER CONTROL L O I O 28 P80 PLL CE MC13109 AFTA DATA SET O I O 29 P03 VDD POWER SOURCE B O I O 30 ...

Page 18: ... 45 1 41 0 00 0 00 0 00 0 00 4 82 0 00 Pin No 49 50 51 52 Talk Mode 2 25 2 29 0 00 0 12 Standby Mode 0 00 0 00 0 00 0 00 IC401 UPD75108GF Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Talk Mode 4 49 0 03 0 01 0 01 5 35 0 04 5 47 2 73 1 83 0 01 0 01 0 01 2 30 0 01 0 01 0 01 Standby Mode 4 50 0 01 0 00 0 00 5 37 5 38 5 48 2 74 1 84 0 00 0 00 0 00 0 00 0 00 0 00 0 00 Pin No 17 18 19 20 21 22 23 24 25...

Page 19: ... 35 34 BLOCK DIAGRAM HANDSET CLT 99 SS S M 6 12 1 00 3 18 PM 19 ...

Page 20: ... 37 36 BLOCK DIAGRAM BASE STATION CLT 99 SS S M 6 12 1 00 3 18 PM 20 ...

Page 21: ... 39 38 SCHEMATIC DIAGRAM HANDSET CLT 99 SS S M 6 12 1 00 3 18 PM 21 ...

Page 22: ... 41 40 SCHEMATIC DIAGRAM BASE STATION CLT 99 SS S M 6 12 1 00 3 18 PM 22 ...

Page 23: ...SET REMOTE MAIN P C B CNP1 MIC MIC01 CHARGER ANTENNA SPEAKER 1 1 1 1 1 CNP1 REMOTE CONTROL P C B CNS1 CNP1 CN101 BATTERY DC 3 6 V BUZZER BZ699 WIRING DIAGRAM HANDSET CNS1 REMOTE MAIN P C B CNP1 CLT 99 SS S M 6 12 7 00 9 31 AM 23 ...

Page 24: ...NG DIAGRAM BASE STATION ROD ANTENNA SPEAKER CN904 CN703 ANT P W B BASE MAIN P W B MIC BASE MIC P C W CN701 CN702 TEL LINE TONE PULSE OFF ON VOLUME CN401 CN481 BASE CONTROL P C W CLT 99 SS S M 6 12 1 00 3 18 PM 24 ...

Page 25: ...WIRING DIAGRAM BASE STATION 46 Dec 99 700 PI Printed in Malaysia SANYO Electric Co Ltd Osaka Japan CLT 99 SS S M 6 12 1 00 3 19 PM 25 ...

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