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Sony SPP-A2770 - 2.4ghz Cordless Telephone, Service Manual

Introducing the Sony SPP-A2770 - a highly efficient and versatile 2.4ghz cordless telephone. With its sleek design and superior functionality, this device revolutionizes your communication experience. To make the most of this exceptional phone, don't forget to download the free user manual, available exclusively at manualshive.com. Explore its comprehensive specifications and unlock the full potential of your Sony SPP-A2770.

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Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

SPP-A2770

R347

1-216-845-11 METAL CHIP

100K

5%

1/16W

R356

1-216-819-11 METAL CHIP

680

5%

1/16W

R367

1-216-845-11 METAL CHIP

100K

5%

1/16W

R368

1-216-845-11 METAL CHIP

100K

5%

1/16W

R369

1-216-845-11 METAL CHIP

100K

5%

1/16W

R370

1-216-845-11 METAL CHIP

100K

5%

1/16W

R371

1-216-845-11 METAL CHIP

100K

5%

1/16W

R372

1-216-845-11 METAL CHIP

100K

5%

1/16W

R383

1-216-845-11 METAL CHIP

100K

5%

1/16W

R384

1-216-845-11 METAL CHIP

100K

5%

1/16W

R385

1-216-845-11 METAL CHIP

100K

5%

1/16W

R401

1-414-229-11 FERRITE

0uH

R402

1-414-229-11 FERRITE

0uH

R403

1-414-229-11 FERRITE

0uH

R404

1-414-229-11 FERRITE

0uH

R405

1-414-229-11 FERRITE

0uH

R406

1-414-229-11 FERRITE

0uH

R407

1-414-229-11 FERRITE

0uH

R408

1-414-229-11 FERRITE

0uH

R409

1-414-229-11 FERRITE

0uH

R410

1-216-833-11 METAL CHIP

10K

5%

1/16W

R411

1-216-833-11 METAL CHIP

10K

5%

1/16W

R412

1-216-817-11 METAL CHIP

470

5%

1/16W

R413

1-216-817-11 METAL CHIP

470

5%

1/16W

R414

1-216-817-11 METAL CHIP

470

5%

1/16W

R415

1-216-817-11 METAL CHIP

470

5%

1/16W

R416

1-414-229-11 FERRITE

0uH

R417

1-216-296-11 SHORT

0

R420

1-216-809-11 METAL CHIP

100

5%

1/16W

R422

1-414-462-31 INDUCTOR

8.2nH

R423

1-216-845-11 METAL CHIP

100K

5%

1/16W

R424

1-216-857-11 METAL CHIP

1M

5%

1/16W

R425

1-216-857-11 METAL CHIP

1M

5%

1/16W

R426

1-216-845-11 METAL CHIP

100K

5%

1/16W

R427

1-216-857-11 METAL CHIP

1M

5%

1/16W

R428

1-216-845-11 METAL CHIP

100K

5%

1/16W

R429

1-216-857-11 METAL CHIP

1M

5%

1/16W

R431

1-216-833-11 METAL CHIP

10K

5%

1/16W

R433

1-216-849-11 METAL CHIP

220K

5%

1/16W

R439

1-216-817-11 METAL CHIP

470

5%

1/16W

R440

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R441

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R443

1-216-833-11 METAL CHIP

10K

5%

1/16W

R444

1-216-817-11 METAL CHIP

470

5%

1/16W

R445

1-216-817-11 METAL CHIP

470

5%

1/16W

R446

1-216-817-11 METAL CHIP

470

5%

1/16W

R447

1-216-817-11 METAL CHIP

470

5%

1/16W

R450

1-216-833-11 METAL CHIP

10K

5%

1/16W

R452

1-216-833-11 METAL CHIP

10K

5%

1/16W

R453

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R454

1-414-229-11 FERRITE

0uH

R455

1-414-229-11 FERRITE

0uH

R456

1-414-229-11 FERRITE

0uH

R457

1-414-229-11 FERRITE

0uH

R458

1-414-229-11 FERRITE

0uH

R459

1-216-833-11 METAL CHIP

10K

5%

1/16W

R460

1-216-833-11 METAL CHIP

10K

5%

1/16W

R461

1-216-833-11 METAL CHIP

10K

5%

1/16W

R462

1-216-833-11 METAL CHIP

10K

5%

1/16W

R468

1-216-864-11 METAL CHIP

0

5%

1/16W

R469

1-216-296-11 SHORT

0

R470

1-216-296-11 SHORT

0

R490

1-216-296-11 SHORT

0

R491

1-216-296-11 SHORT

0

R492

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R493

1-216-821-11 METAL CHIP

1K

5%

1/16W

R494

1-216-864-11 METAL CHIP

0

5%

1/16W

R496

1-216-864-11 METAL CHIP

0

5%

1/16W

R500

1-216-864-11 METAL CHIP

0

5%

1/16W

R501

1-216-864-11 METAL CHIP

0

5%

1/16W

< RF UNIT >

RF271

1-476-333-21 RF UNIT

< RELAY >

0

RY101

1-755-150-11 RELAY

< SWITCH >

S302

1-570-909-21 SWITCH, TACTIL (REFLOW TYPE) (RESET)

< SPARK GAP >

0

SG101

1-533-751-61 ABSORBER, SURGE

< TRANSFORMER >

0

T101

1-435-721-11 LINE TRANSFORMER

< VIBRATOR >

X301

1-795-059-21 VIBRATOR, CERAMIC (6MHz)

X401

1-781-955-11 VIBRATOR, CRYSTAL (4.096MHz)

**************************************************************

*

1-682-513-11 BASE MIC BOARD

***************

3-910-956-01 HOLDER (MIC)

< RESISTOR >

L455

1-216-864-11 METAL CHIP

0

5%

1/16W

L456

1-216-864-11 METAL CHIP

0

5%

1/16W

< MICROPHONE >

MIC401 1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC)

**************************************************************

*

A-3021-511-A HAND MAIN BOARD, COMPLETE

**************************

3-230-755-01 TERMINAL (HAND), CHARGE
3-234-439-01 SPACER (MIC)

< ANTENNA >

ANT201 3-231-041-01 WIRE (ANTENNA .H)

The components identified by
mark 

0

 or dotted line with

mark 

0

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

0

 sont critiques pour la

sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.

BASE MAIN     BASE MIC     HAND MAIN

Summary of Contents for SPP-A2770 - 2.4ghz Cordless Telephone

Page 1: ...Battery life Standby Approx 6 days Talk Approx 5 hours Battery charging time Approx 12 hours Dimensions Approx 2 3 8 x 6 5 8 x 1 15 16 inches w h d antenna excluded approx 58 x 166 x 48 mm Antenna Approx 2 7 8 inches approx 72 mm Mass Approx 8 1 oz approx 230 g battery included Base unit Power source DC 9V from AC power adaptor AC T133 Dimensions Approx 6 5 8 3 3 8 7 7 8 inches w h d antenna exclu...

Page 2: ...the minus side of a tantalum capacitor may be dam aged by heat SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT À...

Page 3: ...t the test mode Handset 1 Turn the power on 2 Press three keys of 1 EZ ACCESS and INTERCOM simultaneously WRITING ID NUMBERS for additional handsets The ID numbers are given in decimal notation on the bottom of base unit If handsets are added ID can be written in the TEST mode but the TEST mode handles ID numbers in hexadecimal notation thus requiring decimal numbers to be converted into hexadecim...

Page 4: ...ect the panel for the SPP A2780 refer to the figure as below Note 1 Do not connect CN702 on the BASE KEY board for SPP A2780 to CN301 on the BASE MAIN board of this set If causes troubles Note 2 Connecting test points on the BASE MAIN board of this set and CN702 on the BASE KEY board for SPP A2780 if not necessary when LCD indication is not needed SPP A2770 BASE KEY BOARD Conductor Side SPP A2780 ...

Page 5: ...nction is on and flashes when a new message is recorded 5 REPEAT REVIEW button p 61 Press once to repeat the current message or twice to go back to the previous message Keep the button pressed for a playback review of the current message 6 MESSAGE PLAY STOP button p 60 Plays back recorded messages 7 SKIP QUICK button p 61 Press to skip to the next message Keep the button pressed for quick playback...

Page 6: ... messages PF flashes when the power is turned on qd GREETING REC button p 52 Press to record a greeting qf GREETING PLAY button p 53 Plays back a greeting qg DAY TIME button p 22 Press to check the current time qh HANDSET LOCATOR button p 48 Allows you to page the handset ql wa w qk qj MIC microphone p 52 65 qk Antenna p 12 ql Hook for AC power adaptor cord p 12 w DC IN 9V jack p 12 wa LINE teleph...

Page 7: ... talk between the cordless handsets when the system has any other additionalcordless handsets qs Dialing keys p 32 qd ERASE button p 18 41 63 1 qs qd 2 3 4 5 6 7 8 9 0 qa qf REPEAT button p 61 Press once to repeat the current message or twice to go back to the previous message qg TONE button p 33 Allowsyou to switch temporarilyto tone dialing qh RINGER qj I HEADSET jack p 33 37 78 qk VOL volume sw...

Page 8: ...nit is set to 1 at the factory The station number of the cordless telephone newly added to the system will be one of the number 2 through 4 in the order of registration Before you start registering set all the unit of the system in standby mode and place them close to each other within a distance of 12 inches Then do the following procedure only on the additional cordless handsets one bye one Caut...

Page 9: ...the cordless handset you want to add to the system If you try to register a cordless handset which you have already added to the system the five short error beeps will be heard and the registration will be canceled If the registration is unsuccessful ERROR will appear on the display and five short error beeps will be heard after PGM is pressed in step 4 Move all the cordless handsets closer to the...

Page 10: ...ocedure in the numerical order given 3 2 CABINET REAR 3 3 HAND MAIN BOARD 2 two screws BTP2 6 12 4 two claws 1 lid battery case 5 cabinet rear 3 two claws 2 three screws BTP2 6 8 4 3 7 HAND MAIN board 6 button VOL H 5 cover antenna H cover head set jack 1 connector CN1 Set Cabinet rear Hand Main Board Base Cabinet lower Assy Base Main Board ...

Page 11: ...70 11 3 4 BASE CABINET LOWER ASSY 3 5 BASE MAIN BOARD 1 four screws BTP3 10 4 connector CN172 2 5 base cabinet lower assy 3 three connectors CN301 302 303 2 four screws BTP2 6 8 3 BASE MAIN board 1 two solders ...

Page 12: ...aker path test 1 In this mode it activates phone line path when IC402 pin 0 MIC GAIN CONT is L and IC402 pin uj H S TALK GAIN CONT is H 3 6 Speaker Path Test 2 In the F status press the GREETING PLAY key to active the speaker path test 2 In this mode it activates phone line path when IC402 pin 0 MIC GAIN CONT is H and IC402 pin uj H S TALK GAIN CONT is L In this mode it operates as follows When th...

Page 13: ...e rewriting data 8 digit 4 byte 4 Press the key to enter the rewriting data 5 To release this mode press the VOL key 6 To return the idling status press the OFF key 4 INITIALIZE THE EEPROM In the test mode idling status EEPROM IC303 and Flash memory IC403 are all cleared exceptVP setting value when the ERASE key is pressed When execute this operation it erases stored data phone dictio nary caller ...

Page 14: ...ameter C sum 724 audio parameter C sum 728 72C 730 RF parameter 734 738 73C C sum 740 reserved C sum 744 C sum 690 audio parameter C sum 694 C sum 794 H No reserved C sum Note ID1 ID2 ID numbers in hexadecimal notation refer to 7 TEST MODE B C sum Check sum value After entering the data up to 3 bytes press the PROGRAM key to start automatic calculation H No Number of registered handset 7 TEST MODE...

Page 15: ...e the jog dial up down or press the jog dial to respective status will be displayed on the LCD as fol lows JK 0425to FONT NEW A2770 display example TEST A JOG UP display example Up the jog dial UP is displayed on the second line Down the jog dial DN is displayed on the second line Press the jog dial P is displayed on the second line 1 3 LCD and LED Test In the TEST A status press the 3 key to acti...

Page 16: ...ling status then re enter correct ID number 6 INITIALIZE THE EEPROM In the test mode idling status EEPROM IC122 is all cleared except VP setting value when the ERASE key is pressed When execute this operation it erases stored data phone dictio nary caller ID message data TEST B 224 ID 224 display example 4 TEST MODE E EEPROM Read Write Mode In the test mode idling status press the 5 key to active ...

Page 17: ...ting Center frequency 2440 5 MHz Span 10 MHz RBW 100 kHz VBW 100 kHz Ref Level 0 dBm ATT 10 dB Jig antenna Utilize the antenna for handset Spectrum analyzer 10 cm Spectrum analyzer 10 cm Test mode setting Base Unit 1 Press three keys of 2 6 and ERASE simultaneously to enter the test mode 2 Press the 4 key to activate test mode D and display TEST D TX on 3 Press the 1 or 3 key to change the channel...

Page 18: ...eform with the Peak Search function and read that value TX power ML REF 0 0 dBm 10dB CENTER 2 44050 GHz RBW 3 MHz VBW 1 MHz ATT 10dB SWP 20 ms SPAN 10 00 MHz A_View B_Blank Norm Norm Specifications peak level of waveform Base Unit Main antenna mode more than 30 dBm Sub antenna mode more than 30 dBm Handset TX power level is Hi more than 30 dBm TX power level is ML more than 40 dBm 2 RECEIVING CHEC...

Page 19: ...4 Items that use normal set only Test case 1 TSET A TSET C TSET F Erase Items that use the panel for SPP A2780 Test case 2 TSET D TSET E 1 Power Failure Test Procedure Use the panel for normal set 1 Connect between TP338 and TP306 GND on the BASE MAIN board by lead wire 2 In the test mode idling status press the MEMO REC key to display A 3 Check that the ANSWER ON OFF LED on the base unit lights u...

Page 20: ...ing status press the GREETING PLAY key to display F and press the GREETING REC key to set the speaker path test 1 mode 3 Set the output level of audio analyzer to 27 dBm 1 2 kHz LPF 30 kHz ON 4 Check that the value of audio analyzer is 2 to 8 dBm 7 Between Microphone in The Handset and Line Signal Level Measurement Setting Procedure Use the panel for SPP A2780 1 Connect equipments as the figure ab...

Page 21: ...k that the key back light on the handset lights up when connect between TP105 and TP104 GND on the HAND MAIN board 2 Low Battery Test Setting Procedure 1 Connect equipments as the figure above 2 In the TEST A status check that the LCD back light on the handset lights up when change the voltage of regulated dc power supply to 3 2 V 3 Charge Detection and Current Control Test Setting Procedure 1 Con...

Page 22: ...P101 TP102 GND RF271 A 3 8 V regulated dc power supply Handset TP101 TP102 GND A 4 Current Measurement Setting Procedure 1 Connect equipments as the figure above 2 In the test mode idling status press the 1 key to display TEST A and press the 5 key 3 Check that the value of ammeter is 100 to 400 µA Note The set cannot start up if resistance of ammeter is too much 5 Between Microphone and Speaker C...

Page 23: ...Connect equipments as the figure above 2 In the test mode idling status press the 3 key to display TEST C and press the 1 8 keys to set TX on and chan nel 28 3 Check that the value of frequency counter is 2440 464 to 2440 536 MHz frequency counter pick up coil antenna ...

Page 24: ... BOARD Conductor Side TP475 TP201 TP202 TP476 TP413 TP477 SP GND TP473 TP471 TP338 TP203 TP101 TP474 LHS MIC GND TP472 LHS SP GND TP102 R288 R287 HAND MAIN BOARD Component Side HAND MAIN BOARD Conductor Side RF61 RF UNIT TP3 TP4 GND TP32 TP101 TP102 GND charge terminal charge terminal 9 1 10 24 12 R82 R81 TP5 MIC GND TP6 13 Connecting Location ...

Page 25: ...11 TXAD PCM 13 PCM SYNC 14 PCMB CLK RF271 RF UNIT DIN DOUT CLK EN IRQ POWER DOWN ANT B ANT A SS RESET 71 DL0 72 DL1 69 SCLK 70 FSYNC 47 MIN DSP IC402 33 SPOUTIN 32 SPOUTP 53 XOUT 54 XIN X401 4 096MHz 3 7SEG 2A 9 7SEG 2G 98 7SEG 1C 99 7SEG 1D 7SEG 1E 5 7SEG 2C 7 7SEG 2E 6 7SEG 2D 97 7SEG 1B 4 7SEG 2B 1 7SEG 1F 8 7SEG 2F 2 7SEG 1G 100 61 ALE 62 CLE 58 FCSN0 94 DRDN 95 DWRN 56 RSTN 2A 2G 1C 1D 1E 2C ...

Page 26: ...z Ref No K2 K3 K4 K5 K7 K8 K9 K10 K11 K12 K13 K14 K15 K16 K17 K18 K19 K20 K21 S11 S16 PANEL DESIGNATION CALL WAITING FLASH REDIAL PAUSE INTERCOM PGM EZ ACCESS HOLD PLAY ERASE 1 REPEAT 4 GHI 7 PQRS TONE 2 ABC 5 JKL 8 TUV 0 OPER 3 DEF SKIP 6 MNO 9 WXYZ TALK OFF 8 ANT 13 RXAD PCM 15 PCMB CLK 14 PCM SYNC 12 TXAD PCM 17 POW DWN 18 RESET B 19 SPI EN 20 SPI CLK 22 SPI IN 23 SPI OUT 11 IRQ CAP 24 IR 29 BC...

Page 27: ...M Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path N RX O TX P BELL Note on Printed Wiring Board X parts extracted from the component side Y parts extracted from the conductor side a Through hole Patter...

Page 28: ...7 C129 C130 R134 R193 C133 C134 C135 R135 L103 R136 R137 C136 C137 R142 L104 R138 R139 R140 C140 R328 R329 C314 R145 R146 IC402 R141 R490 R491 R494 C459 C460 IC203 Q303 R307 R148 C319 C158 C278 C271 C273 R285 R356 R326 C451 C413 C408 C454 R454 R455 R457 R403 R404 R405 R406 R456 R402 R401 R458 R407 R408 R409 Q107 Q251 C440 C251 R440 R256 R257 Q252 R255 R253 Q253 1 682 512 11 11 BASE MAIN BOARD COMP...

Page 29: ...287 R288 R289 D302 R102 R469 R470 R468 S302 C159 R496 R147 C453 C320 R347 D201 R417 C161 R500 R501 RESET L455 L456 MIC401 C155 C153 C154 C156 C281 CN303 C321 R462 C438 R459 L251 L252 C252 C255 R111 R259 R252 R254 D301 D254 D253 CN302 MJ101 LINE 5 3 1 2 4 6 J201 DC IN 9V ANT102 SUB ANTENNA 3 1 3 1 2 1 E SP401 1 682 512 11 11 BASE MAIN BOARD CONDUCTOR SIDE A BASE KEY BOARD CN703 C BASE KEY BOARD CN7...

Page 30: ...5 R301 R306 TP340 TP341 C271 L272 C273 R280 R279 R278 R277 C281 TP339 RF271 IC301 X301 100k 100k 100k 100k 100k 100k 4 7M 1k 1 0 0 0 0 0 0 0 0 0 0 0 0 1000p 0 0 0 0 0 10k 10k 0 1 0 0 100k 0 1 1 1k 0 0 0 470 0 1k 1k 1k 3 3k 1k 0 01 0 1k 100k 100k S 80827ANU P EDQ T2 0 22 100 10V 4 7k 3p 3p 0 1 11P 0 1 100k 15P 0 1 22k SB05 05CP TB 1SS133T 77 1 10k 0 1 0 01 2SC4081T10 6Q 470k 10k 4 7k 100k 100k 100k...

Page 31: ... 470 10V 0 3 3k 68 22 0 0015 0 3p 3p 2SC4081T10 6Q 120 33 0 0015 3p 47 16V 10k 3p 2SA1576A T 106 QR 0 0033 10 6 8k 3p 15 1k 1W 10 50V 33k 3p 4 7k K817P6 220k 3p 470k 33 16V 3p 2 2 50V 10k 1SS133T 77 2 2k 10 50V 0 1 4700 6 3V 0 47 1SS133T 77 1000 6 3V 10 50V 1SS133T 77 S 80840 15k 10 50V 22k 470p 0 0 47 0 0 220p 1kV 220p 1kV 1SS133T 77 22k 1W 0 47 250V 0 5A 250V 1 1 2 2k 1k 2P 3p 22 1 2W MIC 2SA157...

Page 32: ...10k 0 1SS133T 77 10k 1 10k 0 1 10k K9F4008W0A 0 1 0 1SS133T 77 0 0 0 1 0 0 0 10k 0 µH 3p 820p 1M 0 DL16561B11BQC 2200 10V 0 022 0 1 2200 6 3V 0 022 0 022 0 10k 100 8 2 H C1 C2 C3 C4 B1 B2 B3 B11 B12 B13 B14 B4 B5 B6 B7 B15 C5 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB8 DB9 DB10 DB11 DB12 DB12 DB13 DB13 DB14 DB15 DB16 DB17 DB18 DB19 DB20 DL0 DL1 FSYNC SCLK ...

Page 33: ... NC DG 14 15 PDN PCMRI NC MCK TEST0 TEST1 TEST2 TEST3 22 21 20 19 18 17 16 VD BCLK SYNC PCMSO PCMSI IS IR PCMRO 30 29 28 27 26 25 24 23 A D CONVERTER B P F PCM COMPRESSOR D A CONVERTER L P F PCM EXPANDER TEST CIRCUIT VREF 20kΩ 20kΩ ADPCM 3 2 5 OVERCURRENT PROTECT CIRCUIT REFERENCE VOLTAGE ERROR AMP SINK DRIVER 4 1 VOUT VIN ON OFF VSS EXT SOURCE POWER SUPPLY ...

Page 34: ... REPEAT K716 QUICK SKIP K727 MESSAGE PLAY STOP K722 VOL K721 VOL K726 MEMO REC K729 GREETING REC K724 GREETING PLAY K717 HANDSET LOCATOR K719 DAY TIME K723 ERASE 1 682 653 11 11 BASE MAIN BOARD CN302 A BASE MAIN BOARD CN303 B BASE MAIN BOARD CN301 C K A K A K A D704 706 K A B C D E F G H I J K L M 1 2 3 4 5 6 7 8 A Page 29 Page 29 Page 29 Semiconductor Location Ref No Location D704 E 7 D705 G 3 D7...

Page 35: ... D705 D706 K716 K717 K718 K719 K722 K721 K723 K724 K729 K728 K727 CN703 K726 LED701 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 15P 3P PY1111C BR1111C BR1111C 7P TOD 4201BRN 2F 2B 1B 1F 1A 1G 2C 2E 2D 1D 1E 1C 2G 2A 2F 2B 1B 1F 1A 1G 1C 1E 2D 2E 2C 1D 2A 2G COL2 COL3 COL4 COL5 ROW1 ROW2 ROW3 7 SEGMENTS LED MESSAGE COUNTER ANSWER ON OFF IN USE CHARGE QUICK SKIP REVIEW REPE...

Page 36: ...R78 R79 R80 R81 R82 C65 C66 D102 R61 R83 C101 L15 C106 JC5 C125 C54 Q7 JC10 JC12 JC13 JC14 JC15 JC16 R168 R169 1 5 6 9 10 24 RF UNIT 1 2 3 1 3 2 C150 S C56 C57 C58 S11 TALK S16 OFF K4 INTER COM S2 PUSH ENTER K8 HOLD PLAY K18 3 DEF SKIP K14 2 ABC K10 K19 6 MNO K15 5 JKL K11 4 GHI K20 9 WXYZ K16 8 TUV K12 7 PQRS K21 K17 0 OPER K5 PGM K13 TONE K3 REDIAL PAUSE K3 REDIAL PAUSE K7 EZ ACCESS CALL WAITING...

Page 37: ... 0 3p 0 3p 0 022 1k 0 0 0 10 0 2 2 0 47k 0 2 2k 2 2k 22 6 3V 0 22 6 3V TK10417MTL 8 2k 0 0047 330k 1 1k 15k 0 1 0 1 0 1 3p 0 0 1 22k 0 0 ML7079MBZ020 0 1k 470 TC7SZU04FU TE85R 0 1 1M 0 1 82k 0 100 0 3p 100k 2SA1362YG 2 2k 100k 0 470 220k 0 01 0 01 100 6 3V 0 0 0 0 0 0 0 0 0 0 0 0 2P 3p 0 2SC4081T106Q 2SC5595 T146 2SA1362YG SPEAKER MIC 2 2k RF UNIT 100 1000 6 3V 3p 3 9k 1k 56k 4 7k 3p 0 0 047 2SC40...

Page 38: ...k 0 100k 1M 1M 1k 1k 1k 1k 100k 0 10 150 PY1111C 73 0 TR 150 150 150 100 100 100 PY1111C 73 0 TR 1k 100k 330k 0 022 10 1 1 1 47k 560k 0 1 1 1 1 1 1 18P 10k 100k PY1111C 73 0 TR PY1111C 73 0 TR PY1111C 73 0 TR PY1111C 73 0 TR PY1111C 73 0 TR BUZZER 2SA1576A T 106 QR S 816A32AM C BAH T2 2SC4081T10 6Q S 80827ANU P EDQ T2 2SA1576A T106 QR 2SA1576A T106 QR JOG DIAL 2SA1576A T 106 QR 820k 0 01 2SC4097 T...

Page 39: ...3 JOG B I Jog dial pulse input of the rotary encoder B phase input Not used open 24 to 26 COL3 to COL5 O Key scan output to the key matrix L output when key waiting 27 DSP SC O Serial data transfer clock signal output to the DSP IC402 28 DSP HRNW O Data read write selection signal output to the DSP IC402 L data write H data read 29 DSP CSN O Chip select signal output to the DSP IC402 L active 30 D...

Page 40: ...ter the power supply rises L is input then it changes to H 54 XT1 I Sub system clock input terminal 32 768 kHz Not used open 55 XT2 O Sub system clock output terminal 32 768 kHz Not used open 56 VSS1 Ground terminal 57 CF1 I Main system clock input terminal 6 MHz 58 CF2 O Main system clock output terminal 6 MHz 59 VDD1 Power supply terminal 5V 60 BR DET ON ON OFF I Line voltage detection signal in...

Page 41: ...ller IC301 26 SHRNW I Data read write selection signal input from the system controller IC301 L data write H data read 27 SHSC I Serial data transfer clock signal input from the system controller IC301 28 GND Ground terminal 29 SHDI I Serial data input from the system controller IC301 30 ACKN O Acknowledge signal output to the system controller IC301 L active 31 GND PA Ground terminal 32 SPOUTP O ...

Page 42: ...odel setting terminal fixed at H 69 SCLK I Serial data transfer clock signal input from the RF unit RF271 70 FSYNC I Sync signal input from the RF unit RF271 71 DL0 I Receive data input terminal 72 DL1 O Transmit data output terminal 73 GPIO15 I O Not used open 74 GND Ground terminal 75 VCC Power supply terminal 5V 76 DGPIO15 O Local handset receiver muting control signal output H muting 77 DGPIO1...

Page 43: ...PP A2770 Pin No Pin Name I O Description 98 7SEG 1C O 7 segments LED LED701 drive signal output 99 7SEG 1D O 7 segments LED LED701 drive signal output 100 7SEG 1E O 7 segments LED LED701 drive signal output ...

Page 44: ...22 JOG A I Jog dial pulse input of the rotary encoder JOG1 A phase input 23 JOG B I Jog dial pulse input of the rotary encoder JOG1 B phase input 24 to 26 COL3 to COL5 O Key scan output to the key matrix L output when key waiting 27 SP AMP POWER CONT O Power on off control signal output for speaker amplifier L power on 28 SS POWER CONT STB O Power on off control signal output for RF unit RF61 at t...

Page 45: ...t from the reset signal generator IC123 L reset For several hundreds msec after the power supply rises L is input then it changes to H 54 XT1 I Sub system clock input terminal 32 768 kHz Not used fixed at H 55 XT2 O Sub system clock output terminal 32 768 kHz Not used open 56 VSS1 Ground terminal 57 CF1 I Main system clock input terminal 6 MHz 58 CF2 O Main system clock output terminal 6 MHz 59 VD...

Page 46: ...e critical for safety Replace only with part number specified Ref No Part No Description Remark Ref No Part No Description Remark 1 3 230 749 01 PANEL FRONT C ID 2 3 230 750 01 WINDOW C ID 3 3 232 900 01 SHEET ADHESIVE 4 3 230 746 01 CABINET FRONT 5 3 230 753 01 COVER ANTENNA H 6 3 232 621 01 CUSHION RECEIVER TWN 7 3 230 752 01 HOLDER SP 8 3 230 754 01 COVER HEAD SET JACK 9 1 786 171 11 SWITCH RUB...

Page 47: ...7 01 CABINET UPPER 58 3 231 529 01 PANEL 59 3 231 533 01 SHEET PANEL ADHESIVE 60 A 3062 545 A BASE MAIN BOARD COMPLETE 62 1 682 513 11 BASE MIC BOARD 63 3 910 956 01 HOLDER MIC 64 3 233 707 01 CUSHION PWB 65 3 230 652 01 STOPPER ANTENNA 66 X 3380 975 1 CABINET LOWER ASSY 67 3 936 696 21 FOOT RUBBER 68 3 701 748 00 CLAMP ANT101 1 754 194 11 ANTENNA ANT102 3 227 540 01 WIRE SUB ANTENNA SP401 1 505 7...

Page 48: ...7uF 10 250V 0C103 1 107 423 11 CERAMIC 220PF 10 1KV 0C104 1 107 423 11 CERAMIC 220PF 10 1KV 0C109 1 162 117 00 CERAMIC 100PF 10 500V C112 1 126 961 11 ELECT 2 2uF 20 50V C113 1 126 966 11 ELECT 33uF 20 16V C114 1 162 908 11 CERAMIC CHIP 3PF 0 25PF 50V C115 1 162 908 11 CERAMIC CHIP 3PF 0 25PF 50V C116 1 162 908 11 CERAMIC CHIP 3PF 0 25PF 50V C117 1 162 908 11 CERAMIC CHIP 3PF 0 25PF 50V C118 1 126...

Page 49: ...03 1 506 985 11 PIN CONNECTOR PC BOARD 3P DIODE SHORT D103 8 719 991 33 DIODE 1SS133T 77 0D107 8 719 970 02 DIODE RL1N4004 FW 0D108 8 719 970 02 DIODE RL1N4004 FW 0D109 8 719 970 02 DIODE RL1N4004 FW 0D110 8 719 970 02 DIODE RL1N4004 FW D111 8 719 991 33 DIODE 1SS133T 77 0D114 8 719 160 55 DIODE RD12FB1 D201 1 216 296 11 SHORT 0 D202 8 719 991 33 DIODE 1SS133T 77 D203 8 719 991 33 DIODE 1SS133T 77...

Page 50: ...16 821 11 METAL CHIP 1K 5 1 16W R272 1 216 827 11 METAL CHIP 3 3K 5 1 16W R273 1 216 821 11 METAL CHIP 1K 5 1 16W R274 1 216 821 11 METAL CHIP 1K 5 1 16W R275 1 216 821 11 METAL CHIP 1K 5 1 16W R276 1 216 821 11 METAL CHIP 1K 5 1 16W R277 1 216 809 11 METAL CHIP 100 5 1 16W R278 1 216 809 11 METAL CHIP 100 5 1 16W R279 1 216 809 11 METAL CHIP 100 5 1 16W R280 1 216 809 11 METAL CHIP 100 5 1 16W R2...

Page 51: ...44 1 216 817 11 METAL CHIP 470 5 1 16W R445 1 216 817 11 METAL CHIP 470 5 1 16W R446 1 216 817 11 METAL CHIP 470 5 1 16W R447 1 216 817 11 METAL CHIP 470 5 1 16W R450 1 216 833 11 METAL CHIP 10K 5 1 16W R452 1 216 833 11 METAL CHIP 10K 5 1 16W R453 1 216 829 11 METAL CHIP 4 7K 5 1 16W R454 1 414 229 11 FERRITE 0uH R455 1 414 229 11 FERRITE 0uH R456 1 414 229 11 FERRITE 0uH R457 1 414 229 11 FERRIT...

Page 52: ...11 CERAMIC CHIP 1uF 10 10V C104 1 124 635 00 ELECT 220uF 20 6 3V C105 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C106 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C107 1 115 156 11 CERAMIC CHIP 1uF 10V C121 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C122 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C123 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C124 1 109 982 11 CERAMIC CHIP 1uF 10 10V C125 1 126 206 11 ELECT CHIP 100...

Page 53: ...4 11 METAL CHIP 0 5 1 16W R10 1 216 857 11 METAL CHIP 1M 5 1 16W R11 1 216 821 11 METAL CHIP 1K 5 1 16W R12 1 216 821 11 METAL CHIP 1K 5 1 16W R13 1 216 832 11 METAL CHIP 8 2K 5 1 16W R14 1 216 851 11 METAL CHIP 330K 5 1 16W R16 1 216 864 11 METAL CHIP 0 5 1 16W R17 1 216 842 11 METAL CHIP 56K 5 1 16W R19 1 216 828 11 METAL CHIP 3 9K 5 1 16W R20 1 216 829 11 METAL CHIP 4 7K 5 1 16W R21 1 216 797 1...

Page 54: ...6 845 11 METAL CHIP 100K 5 1 16W R161 1 216 845 11 METAL CHIP 100K 5 1 16W R162 1 216 845 11 METAL CHIP 100K 5 1 16W R163 1 216 845 11 METAL CHIP 100K 5 1 16W R164 1 216 845 11 METAL CHIP 100K 5 1 16W R165 1 216 845 11 METAL CHIP 100K 5 1 16W R168 1 216 864 11 METAL CHIP 0 5 1 16W R169 1 216 797 11 METAL CHIP 10 5 1 16W RF UNIT RF61 1 476 334 21 RF UNIT SWITCH S1 1 771 974 11 SWITCH SLIDE VOL S2 1...

Page 55: ...55 SPP A2770 MEMO ...

Page 56: ...sion allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 1 2001 08 Addition of items in test mode 1 0 2001 06 New ...

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