Sony SPP-A985 - Cordless Telephone With Answering System, Service Manual

Page 1: ...ons Approx 2 3 8 x 7 1 2 x 1 13 16 inches w h d antenna excluded approx 58 x 177 x 46 mm Antenna Approx 2 7 8 inches approx 72 mm Mass Approx 9 5 oz approx 270 g battery included Base unit Power source DC 9V from AC power adaptor AC T131 Battery charging time Approx 24 hours Dimensions Approx 7 3 8 x 2 3 4 x 9 1 8 inches w h d antenna excluded approx 186 x 68 x 229 mm Antenna Approx 4 3 4 inches a...

Page 2: ... Base Key Board 2 2 39 4 9 Schematic Diagram Base Key Board 41 4 10 Printed Wiring Board Hand Main Board 43 4 11 Schematic Diagram Hand Main Board 1 2 45 4 12 Schematic Diagram Hand Main Board 2 2 47 5 EXPLODED VIEWS 5 1 Handset Section 49 5 2 Base Unit Section 50 6 ELECTRICAL PARTS LIST 51 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINEWITH MARK ON THE SCHEMATIC DIAG...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

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Page 18: ...set RF unit ASSY hand Hand main board Base bottom Base unit Base main board Base key board LCD board RF unit ASSY base 3 BVTP 3x12 4 1 5 6 7 8 2 Battery case lid HS 9 H S rear Claw 4 7 1 BVTP 3x12 5 VOL knob HS 6 Remove the solders 11 places 3 BVTP 3x12 8 Remove the solders 2 places Charge terminals Battery terminals 9 Remove the solders 2 places 0 Hand main board 2 B 2x10 4 B 2x8 Antenna ANT1001 ...

Page 19: ...Base bottom 4 Claw 5 Claw 2 BVTP 3x12 3 BVTP 3x12 7 Base main board 3 Remove the solders Base RF unit 11places 4 Remove the solders Baseb key board 32places 5 Remove the solders MIC 2places 6 Remove the solders Charge spring 2places 1 BVTP 3x12 2 BVTP 3x12 ...

Page 20: ...BOARD LCD BOARD 2 5 RF UNIT ASSY BASE 1 BVTP 3x12 2 BVTP 3x12 lug 3 B 2x10 4 RF unit ASSY base 2 Speaker bracket 5 LCD board 6 Remove the solders 2 places 1 BTP 2 6x8 3 BTP 2 6x8 4 BTP 2 6x8 5 Base key board 4 BTP 2 6x8 ...

Page 21: ...OARD SIDE A J1 frequency counter BASE MAIN BOARD SIDE B RF UNIT BASE 3 Check the 18 4 MHz Frequency Error Procedure 1 Enter the Test Mode 2 Connect the frequency counter to the test point J1 on the RF unit 3 Press the REDIAL PAUSE key to turn on the TX power 4 Check the frequency 1 kHz 5 If the result is within 1 kHz then no alignment required Otherwise refer to next item 4 Adjustment the 18 4 MHz...

Page 22: ...all screening being enabled digits where is represented by 14 and by 15 ANSWER Test 4 OGM Line Player Playback Mode 7 segment Display shows 4 The recorded message is Playback to the line with line echo If a valid DTMF tons is detected it shows the corresponding ON OFF canceller on digits where is represented by 14 and by 15 Test 5 MIC to Line Room Monitoring Mode SKIP The signal from the microphon...

Page 23: ...counter to the test point J1 on the RF unit 5 Press the 0 key to turn on the TX power 6 Adjust C1057 on the HAND MAIN board for 0 Hz 1 kHz HANDSET 1 Test Mode Entering the Test Mode 1 Press the PGM key then displayed DIRECTORY AREA RINGER on the LCD 2 Press the 8 3 7 8 keys then displayed on the LCD as below LCD display Releasing the Test Mode Press the OFF key Key Functions 7 key LCD test LCD dis...

Page 24: ...U1002 AMP Q6002 AMP Q6003 LINE CONDITION MONITOR U1003 4 4 D1007 1010 W1001 1 2 SPEAKER AMP U3005 T1001 TEL AMP U6001 1 4 2 4 TEL AMP U1003 1 4 BPF U6001 4 3 RINGER DETECT U1003 3 4 RINGER DETECT U1003 2 4 SPEECH PATH U3004 D9 11 13 16 Q1007 SWITCH Q1001 D10 SPARE BATTERY J1002 J1005 13 P1 2 75 BATMON 21 1 3 4 5 1 1 5 15 J1001 DC IN 9V LIFP OUT ITAD HOOK SW BU HOOK SW LINE 2 LINE CON0 ITAD SPK OUT...

Page 25: ...5 4 LCD DB4 LCD DB5 LCD DB6 LCD DB7 LCD E LCD R W LCD RS LCD1001 LCD MODULE 30 I 34 35 I 39 KEY MATRIX S1023 S1044 ROW0 ROW4 COL0 COL4 HEADSET SENSE HEADSET EN RINGER DRIVE Q1009 12 LED DRIVE Q1002 LCD KEY PAD BACK LIGHT U1002 BUZZER RINGER U1005 SPEAKER U1003 MIC ANT1001 HELICAL ANTENNA SYSTEM CONTROL U1001 I P4 0 P4 4 I RECHARGEABLE BATTERY BP T23 DC 3 6V CHARGE TERMINAL 02 J1001 J1002 J1003 J10...

Page 26: ... 29 30 SPP A985 4 3 SCHEMATIC DIAGRAM BASE MAIN BOARD 1 2 z Refer to page 48 for IC Block Diagrams z Refer to page 47 for Notes z Refer to page 47 for Waveforms ...

Page 27: ... 31 32 SPP A985 4 3 SCHEMATIC DIAGRAM BASE MAIN BOARD 2 2 z Refer to page 48 for IC Block Diagrams z Refer to page 47 for Notes z Refer to page 47 for Waveforms ...

Page 28: ...R6040 R3059 R3058 R3004 R3002 R3062 R3051 R3060 R3045 R3049 R3016 R3023 R3022 R3035 R6001 R3019 R3034 R6003 R3046 R3041 R3044 R3050 R3039 R3048 R6005 R6004 R6007 R6006 R3047 R3043 R3042 R3040 R1018 R6025 R6013 R6042 C3065 C3055 C3060 C3067 C3014 C3043 C3056 C1010 C1035 C1034 C1009 C1015 C1029 C1032 C1023 C1040 C1024 C6006 C6005 C1026 C1033 C1025 C6009 C6012 R6028 C6013 R6016 R6014 C6002 C6016 C101...

Page 29: ... 1 5 10 14 1 5 10 11 15 20 25 30 32 A BASE KEY BOARD J2 Page 38 B BASE KEY BOARD J1 Page 37 J3008 J3005 J6001 BASE RF UNIT ANT3001 TELESCOPIC ANTENNA L1005 L1001 R1044 L1006 CHARGE TERMINAL SPARE BATTERY CHARGE TERMINAL BASE MAIN BOARD SIDE B 11 1 680 451 U3006 MIC BLK RED S3002 VOL LTMTH S3001 DIAL MODE PTT TX PWR RX AUDIO RX PWR DSP PWR ATE TX ATE RX GND 2 3 4 5 6 7 8 9 A 1 B C D E F G H D1006 G...

Page 30: ... S7 7 S11 S15 2 S4 2 S26 3 S27 1 S25 5 S8 8 S12 0 S16 3 S5 6 S9 9 S13 S17 PGM S6 HOLD S19 INTERCOM S21 VOL S2 VOL S1 CALL WAITING FLASH S18 QUICK SKIP S29 SLOW REPEAT S28 MAIL BOX PLAY STOP SPEED DIAL S14 REDIAL PAUSE S10 ERASE S23 REC MEMO S22 ANSWER ON OFF S24 SPEAKERPHONE S20 TIME SET S32 SELECT S31 MENU S30 RED BLK B BASE MAIN BOARD J6001 Page 36 1 5 10 14 2 3 4 5 6 7 8 A 1 B C D E F ...

Page 31: ...F D16 NEW CALL D12 CHARGE D10 SPEAR BATT D9 LINE 1 5 10 15 20 22 J3 1 5 10 15 18 J4 1 5 10 J5 1 5 10 J6 LCD MODULE BOARD R7 R13 R21 R16 R19 R20 R22 R3 R4 R17 R18 R15 R14 R6 ECB ECB ECB ECB ECB ECB Q6 Q5 Q8 Q7 Q3 Q4 11 1 681 485 2 3 4 5 6 7 8 A 1 B C D E F z Semiconductor Location D6 C 7 D7 C 6 D8 C 6 D9 E 2 D10 E 2 D11 D 2 D12 E 2 D13 B 1 D14 A 7 D16 D 7 Q3 C 6 Q4 C 6 Q5 B 6 Q6 A 6 Q7 B 6 Q8 A 6 R...

Page 32: ... 41 42 SPP A985 4 9 SCHEMATIC DIAGRAM BASE KEY BOARD z Refer to page 48 for IC Block Diagrams z Refer to page 47 for Notes z Refer to page 47 for Waveforms ...

Page 33: ...R1026 R1073 R1079 R1031 R1100 R1039 R1095 R1044 R1067 R1042 R1084 R2010 R2014 R2009 R2011 R1060 R1001 R1003 R1089 R1004 R1083 R1090 R1021 R2004 R2008 R2006 R1025 R1008 R1014 R2001 R2007 R1041 R1027 R1088 R1087 R1033 R1066 R1032 R2012 R2017 R2015 R2013 R2016 R1059 R1009 R1010 R1057 R1058 R2000 R2018 R1037 C1004 C1003 C2002 C2006 C1009 C1011 C2001 C1017 C1018 C1005 C1016 C1049 C1021 C1048 C1024 C104...

Page 34: ... 45 46 SPP A985 4 11 SCHEMATIC DIAGRAM HAND MAIN BOARD 1 2 z Refer to page 48 for IC Block Diagrams z Refer to page 47 for Notes z Refer to page 47 for Waveforms ...

Page 35: ...y battery terminal on the HAND MAIN board Voltages and waveforms are dc with respect to ground in test mode Signal path N RX O TX F RX INTERCOM f TX INTERCOM P bell Note on Printed Wiring Boards X parts extracted from the component side x parts extracted from the conductor side x parts mounted on the conductor side z Through hole Pattern from the side which enables seeing Through hole The other la...

Page 36: ...ER DECODER IOF 1024 or 2048 DATA OUT BUFFER EEPROM ARRAY 16384 BIT 1024X16 or 2048X8 READ WRITE AMPS DATA IN OUT RESISTER 16 or 8 BITS HIGH VOLTAGE GENERATOR AND PROGRAM TIMER VCC 7 NC 6 ORG 5 VSS DO DI SK CS 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 SHIFT REGISTER LATCH PARALLEL DATA OUTPUT GND VCC LATCH CLOCK PARALLEL DATA OUTPUT SERIAL DATA INPUT OUTPUT ENABLE SHIFT CLOCK SERIAL DATA OUTPUT RESET ...

Page 37: ...ON RECEIVER 7 3 220 258 01 CUSHION H S RECEIVER 8 A 3649 143 A RF UNIT ASSY HAND 9 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 10 3 220 222 01 H S REAR 11 3 229 713 01 LID HS BATTERY CASE 12 7 685 106 19 SCREW P 2X10 TYPE2 SLIT 13 4 356 741 21 SCREW TAPPING BIND 2X8 14 3 038 085 01 KNOB HS VOL 15 3 041 535 01 FELT RX 16 A 3673 151 A HAND MAIN BOARD COMPLETE 17 3 220 218 01 LCD REFLECTOR 18 3 041 536 0...

Page 38: ... SPEAKER 68 3 220 219 01 SPEAKER BRACKET 69 A 3649 146 A RF UNIT ASSY BASE 70 4 356 741 21 SCREW TAPPING BIND 2X8 71 3 220 214 01 BASE BOTTOM 72 3 041 534 01 FOOT RUBBER 74 A 3673 158 A LCD BOARD COMPLETE 75 A 3673 154 A I TAD BOARD COMPLETE 76 3 229 720 11 KEY PAD BU 77 3 220 216 01 DIAL KEY SET 80 3 038 077 01 KNOB TP SW SP1 1 505 231 11 SPEAKER 5cm J1002 3 041 530 01 TERMINAL BU BATT J1003 3 22...

Page 39: ...K 5 1 16W R4 1 216 829 11 METAL CHIP 4 7K 5 1 16W R6 1 216 821 11 METAL CHIP 1K 5 1 16W R7 1 216 821 11 METAL CHIP 1K 5 1 16W R13 1 216 829 11 METAL CHIP 4 7K 5 1 16W R14 1 216 829 11 METAL CHIP 4 7K 5 1 16W R15 1 216 821 11 METAL CHIP 1K 5 1 16W R16 1 216 813 11 METAL CHIP 220 5 1 16W R17 1 216 813 11 METAL CHIP 220 5 1 16W R18 1 216 813 11 METAL CHIP 220 5 1 16W R19 1 216 813 11 METAL CHIP 220 5...

Page 40: ...IC CHIP 0 022uF 10 25V C6009 1 127 715 91 CERAMIC CHIP 0 22uF 10 16V C6010 1 164 245 11 CERAMIC CHIP 0 015uF 10 25V C6011 1 163 038 00 CERAMIC CHIP 0 1uF 25V C6012 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C6013 1 164 217 11 CERAMIC CHIP 150PF 5 50V C6014 1 163 038 00 CERAMIC CHIP 0 1uF 25V C6015 1 163 038 00 CERAMIC CHIP 0 1uF 25V C6016 1 127 820 11 CERAMIC 4 7uF 16V C6019 1 162 927 11 CERAMIC CH...

Page 41: ...16 833 11 METAL CHIP 10K 5 1 16W R3019 1 216 813 11 METAL CHIP 220 5 1 16W R3022 1 216 813 11 METAL CHIP 220 5 1 16W R3023 1 216 813 11 METAL CHIP 220 5 1 16W R3024 1 218 292 11 RES CHIP 20K 5 1 16W R3025 1 216 841 11 METAL CHIP 47K 5 1 16W R3026 1 216 833 11 METAL CHIP 10K 5 1 16W R3030 1 216 833 11 METAL CHIP 10K 5 1 16W R3034 1 216 813 11 METAL CHIP 220 5 1 16W R3035 1 216 813 11 METAL CHIP 220...

Page 42: ...ERAMIC CHIP 0 1uF 25V C1022 1 162 962 11 CERAMIC CHIP 470PF 10 50V C1024 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C1025 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C1026 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C1027 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C1028 1 162 916 11 CERAMIC CHIP 12PF 5 50V C1029 1 162 912 11 CERAMIC CHIP 7PF 0 5PF 50V C1031 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C1038 1 163 038 ...

Page 43: ...L CHIP 1 5K 5 1 16W R1060 1 216 833 11 METAL CHIP 10K 5 1 16W R1066 1 218 331 11 RES CHIP 51K 5 1 16W R1067 1 216 845 11 METAL CHIP 100K 5 1 16W R1068 1 216 821 11 METAL CHIP 1K 5 1 16W R1073 1 211 978 11 METAL CHIP 24 0 5 1 16W R1079 1 216 789 11 METAL CHIP 2 2 5 1 16W R1083 1 216 835 11 METAL CHIP 15K 5 1 16W R1084 1 216 833 11 METAL CHIP 10K 5 1 16W R1087 1 216 853 11 METAL CHIP 470K 5 1 16W R1...

Page 44: ...118 41 MICROPHONE ELECTRET CONDENSER U1005 1 505 593 11 SPEAKER 2 8cm U3006 1 542 118 41 MICROPHONE ELECTRET CONDENSER ACCESSORIES PACKING MATERIALS 0 1 476 175 11 ADAPTOR AC AC T131 1 528 769 11 BATTERY NICKEL CADMIUM STOREGE 1 775 541 11 CORD WITH MODULAR PLUG LINE 215cm 3 012 379 01 CASE WALL HOOK 3 039 827 01 CLIP BELT 3 223 813 21 MANUAL INSTRUCTION ENGLISH 3 223 814 11 GUIDE QUICK START ENGL...