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Summary of Contents for SPP-935 - 900 Mhz Cordless Phone

Page 1: ...CORDLESS TELEPHONE MICROFILM US Model SPECIFICATIONS SERVICE MANUAL SPP 935 ...

Page 2: ...s 6 Speed dialing 7 Setting the ringer type 8 Switching the phones during a call 9 Talking between the handset and the base phone Intercom 10 Having a three way conference 11 Mounting the base phone on a wall 11 2 DISASSEMBLY 12 3 TEST MODE 3 1 Base Unit 14 3 2 Handset 15 4 ELECTRICAL ADJUSTMENTS 4 1 Base Unit Section 16 4 2 Handset Section 17 5 DIAGRAMS 5 1 Block Diagram BASE UNIT Section 19 5 2 ...

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

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Page 12: ...assembly procedure in the numerical order given SECTION 2 DISASSEMBLY 2 two screws BTP3 12 1 Remove the battery case lid to direction of the arrow A A 3 two claws 4 claw 3 two claws 5 Remove the hand cabinet rear to direction of the arrow B B ...

Page 13: ...P3 10 1 two screws P2 5 1 two screws P2 5 3 washer 4 antenna ANT2 5 Remove the HAND MAIN board to direction of the arrow C C BASE CABINET UPPER 1 two screws BTP3 10 1 screw BTP3 10 1 two screws BTP3 10 2 claw 3 base cabinet upper 2 claw ...

Page 14: ...KR ON OFF ON ON CHARGE OFF ON OFF OFF INTERCOM key Toggle mic mute signal ON OFF U12 pin CHARGE LED is ON at mic mute enable off at mic mute disable VOLUME VOLUME key Change speaker volume 8 steps Key tone will be emitted each time and 3 times volume key deep will be emitted when volume reach maximum or minimum SPEED DIAL key Toggle fast charge CHARGE LED is ON at fast charge enable off at fast ch...

Page 15: ...tes a key touch tone and goes in the following modes according to each key pressed CHANNEL key Increment channel number of every press the key Refresh PLL RX TX counters SPEED DIAL key Toggle TX power Refresh PLL TX counter REDIAL PAUSE key Toggle RX power Refresh PLL REF RX TX counters PGM key Toggle TX attenuater Refresh PLL status register TALK FLASH key Change PLL gain mode Increment PLL gain ...

Page 16: ...ck Setting Precedure Connect a level meter to TP ANT and GND Check the level of level meter is 5 0 5 dB Precedure Connect a voltmeter to TP3 RX LOOP VOLTAGE and GND Check the value of voltmeter is 1 4 0 6 V 4 QUAD TUNE VOLTAGE adjustment Setting 3 RX LOOP VOLTAGE check Setting Adjustment Location BASE MAIN BOARD SIDE A BASE MAIN BOARD SIDE B digital voltmeter TP4 TX LOOP VOLTAGE GND level meter TP...

Page 17: ...ng Precedure Connect a voltmeter to J2 RX AUDIO and J2 GND Adjust C87 so that QUAD TUNE VOLTAGE is 1 2 0 075 V Precedure Connect a voltmeter to J2 TX LOOP VOLTAGE and J2 GND Check the value of voltmeter is 0 8 0 4 V 2 TX POWER check Setting 3 RX LOOP VOLTAGE check Setting Adjustment Location HAND MAIN BOARD SIDE A digital voltmeter J2 TX LOOP VOLTAGE J2 GND level meter TP ANT J2 GND frequency coun...

Page 18: ... DTMF EN RINGER SW CS CLK DI DO RCLK SCLK SER Q4 Q5 Q6 Q7 Q0 Q1 SER SCLK RCLK D0 D1 D2 D3 TONE OUT OSC OUT OSC IN TEN SHIFT REGISTOR LATCH U15 SHIFT REGISTOR LATCH U16 DTMF TONE GENERATOR U17 X2 3 58MHz INTERCOM D3 SPEAKERPHONE D4 CHANGE D5 RINGER LEVEL S1 OFF LOW HIGH B 3 EEPROM U4 OSC1 POW0 5 TX MUTE RINGER SP SWITCH CAR DET TONE PLUSE 42 8 ı 12 X1 4MHz DIAL MODE S2 TONE PULSE SYSTEM CONTROLLER ...

Page 19: ...L2 IN FIL2 OUT PRE IN EXP OUT 2 1 23 15 20 EXP MUTE EXPANDER NIOSE GATE U7 1 2 LOW PASS FILTER U5 2 3 SIGNAL PATH TX RX BELL 24 25 BATT LOW D4 TALK D5 INTERCOM D9 4 ı 7 37 OSC1 RX DATA IRQ ROW0 RX MUTE RX ENABLE RINGER COL0 3 BATT LOW LED IN USE LED INT COM LED KEY MATRIX SW1 17 19 21 9 13 Q18 B 17 20 DAT IN DS OUT BIAS LIM IN SYSTEM CONTROLLER U3 PLL DATA PLL CLK PLL EN OSC2 PLL DATA PLL CLK PLL ...

Page 20: ... test mode Voltages are taken with a VOM 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 TELEPHONE O TX TELEPHONE F RX INTERCOM f TX INTERCOM P bell Note The components identified by mark or dotte...

Page 21: ...13 D16 F 4 D17 I 12 D18 F 13 D19 G 12 D20 H 12 D21 C 13 D22 D 13 D23 D 13 D24 F 12 D25 F 13 Q1 E 5 Q2 C 4 Q4 C 5 Q5 B 8 Q6 B 7 Q7 B 6 Q8 D 6 Q9 C 6 Q10 B 7 Q11 D 7 Q12 F 8 Q13 E 9 Q14 I 8 Q16 I 12 Q17 H 4 Q18 H 11 Q20 G 5 Q21 F 4 Q22 F 4 Q23 H 12 Q24 I 11 Q25 D 10 Q26 J 11 U1 B 10 U2 C 8 U3 G 9 U4 H 8 U5 F 6 U6 I 6 U10 I 9 U12 D 11 U13 H 5 U14 B 12 U15 E 13 U16 G 10 U17 H 10 U18 I 5 ...

Page 22: ... 27 28 SPP 935 Semiconductor Location SIDE B Ref No Location D8 F 13 D9 G 13 D10 G 13 D11 F 13 D12 G 13 Q15 I 3 U7 G 12 U8 F 10 U9 E 14 U11 F 10 5 5 PRINTED WIRING BOARD BASE MAIN Board SIDE B Page 33 ...

Page 23: ...C DIAGRAM BASE MAIN Section 1 2 See page 24 for Waveforms See page 40 to 42 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Page 31 ...

Page 24: ...AIN Section 2 2 See page 24 for Waveforms See page 40 to 42 for IC Block Diagrams SPP 935 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Page 34 Page 30 Page 34 ...

Page 25: ... SPP 935 5 8 PRINTED WIRING BOARD BASE KEY Section 5 9 SCHEMATIC DIAGRAM BASE KEY Section Semiconductor Location Ref No Location D3 I 6 D4 I 3 D5 A 6 D6 A 4 D7 A 5 Note carbon pattern Page 32 Page 31 Page 27 ...

Page 26: ... 35 36 5 10 SCHEMATIC DIAGRAM HAND MAIN Section See page 24 for Waveforms See page 40 to 42 for IC Block Diagrams SPP 935 ...

Page 27: ... 37 38 SPP 935 5 11 PRINTED WIRING BOARD HAND MAIN Section Page 40 ...

Page 28: ...VCC N C VCC N C DEMOD BIAS BIAS MIXER IF AMP LIMITER AMP U1 MC13156DWR2 BASE MAIN BOARD 2 1 22 20 19 21 15 17 16 18 CAR DET RSSI VEE2 VEE1 23 LO EMIT 24 LO IN DS HOLD DATA OUT DS GND DS IN 13 14 DEMOD QUAD COIL RF IN2 3 MIX OUT RF IN1 5 9 8 7 6 IF DEC2 IF OUT VCC2 IF IN 4 VCC1 IF DEC1 IF AMP MIXER 10 12 11 LIM DEC2 LIM IN LIM DEC1 LIMITER AMP BIAS BIAS U2 TB31202FN HAND MAIN BASE MAIN BOARD 2 3 5 ...

Page 29: ...VB FI 4 VCC 3 CD FO 5 9 8 7 6 HTI TXO TXI HTO HTO 10 12 11 14 13 27 28 25 26 24 20 21 22 23 19 17 18 15 16 MUT MCO MCI CT VLC VR VCC HYBRID AMP 2 HYBRID AMP 1 MIC AMP VREF VR FILTER AMP COMPARATOR AGC BACKGROUND NOISE DETECTOR VR LEVEL DETECTOR LEVEL DETECTOR COMPARATOR ATTENUATOR CONTROL BLOCK BACKGROUND NOISE DETECTOR DIAL TONE DETECTOR LEVEL DETECTOR LEVEL DETECTOR RX ATTEN UATOR TX ATTENUATOR ...

Page 30: ... Hook on off control signal output terminal H on hook L off hook 22 NC2 O Not used open 23 TEL SWITCH O Telephone switch U13 on off control signal output terminal H on L off 24 SP SWITCH O Speaker switch U13 on off control signal output terminal H on L off 25 TX MUTE O TX muting control signal output to the TA31103F U6 L muting on During sending data to handset muting it 26 RX MUTE O RX muting con...

Page 31: ...uting on 22 OPEN O Not used open 23 RX MUTE O RX muting control signal output to the TA31103F U7 L muting on 24 INT COM LED O INT COM LED drive signal output terminal L LED on 25 IN USE LED O IN USE LED drive signal output terminal L LED on 26 BATT LOW LED O BATT LOW LED drive signal output terminal L LED on 27 RDI I Not used fixed at L 28 TDO I Not used fixed at L 29 MISO I Not used fixed at L 30...

Page 32: ...016 283 11 PANEL 2 3 026 607 01 TAPE PANEL 3 3 026 609 01 LENS LED 4 3 026 605 01 CABINET FRONT HAND 5 3 026 608 01 FELT 6 3 012 611 01 SHEET RECEIVER 7 3 016 289 01 CASE FRONT SHIELD 8 1 771 452 11 SWITCH SHEET 9 3 016 284 21 KNOB VOL 10 A 3672 438 A HAND MAIN BOARD COMPLETE 11 3 012 337 01 CASE REAR SHIELD 12 3 016 285 01 HOLDER BUZZER 13 3 026 606 01 CABINET REAR HAND 14 3 016 279 21 LID BATTER...

Page 33: ... 59 3 011 485 31 HOOK 60 3 026 543 01 CABINET UPPER BASE 61 3 011 466 01 CASE BASE SHIELD 62 A 3672 439 A BASE MAIN BOARD COMPLETE 63 3 026 666 01 CABINET LOWER BASE 64 3 383 270 01 FOOT RUBBER 65 3 026 667 01 KNOB SLIDE D 66 3 026 668 01 KNOB SLIDE R 67 3 018 759 01 SPONGE MIC 68 3 018 752 01 HOLDER MIC ANT1 1 501 999 31 ANTENNA SP1 1 503 856 11 SPEAKER U20 1 542 260 31 MICROPHONE ELECTRET CONDEN...

Page 34: ... 25PF 50V C18 1 162 923 11 CERAMIC CHIP 47PF 5 50V C19 1 162 909 11 CERAMIC CHIP 4PF 0 25PF 50V C20 1 162 923 11 CERAMIC CHIP 47PF 5 50V C21 1 162 923 11 CERAMIC CHIP 47PF 5 50V C22 1 162 910 11 CERAMIC CHIP 5PF 0 25PF 50V C23 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C24 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C25 1 164 217 11 CERAMIC CHIP 150PF 5 50V C26 1 164 217 11 CERAMIC CHIP 150PF 5 50V C27 1 ...

Page 35: ...PF 5 50V C130 1 162 957 11 CERAMIC CHIP 220PF 5 50V C131 1 136 193 11 FILM 0 47uF 5 250V C132 1 126 964 11 ELECT 10uF 20 50V C133 1 126 961 11 ELECT 2 2uF 20 50V C134 1 126 960 11 ELECT 1uF 20 50V C135 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C136 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C137 1 126 967 11 ELECT 47uF 20 16V C138 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C139 1 164 004 11 CERAMIC CHIP...

Page 36: ...3 P Q11 8 729 923 31 TRANSISTOR 2SC4083 P Q12 8 729 026 07 TRANSISTOR MMBT3906LT1 Q13 8 729 026 07 TRANSISTOR MMBT3906LT1 Q14 T 941 615 31 TRANSISTOR MMBT3904LT1 Q15 8 729 030 50 TRANSISTOR 2SA1515S R Q16 8 729 026 07 TRANSISTOR MMBT3906LT1 Q17 T 941 615 31 TRANSISTOR MMBT3904LT1 Q18 T 941 615 31 TRANSISTOR MMBT3904LT1 Q20 8 729 026 07 TRANSISTOR MMBT3906LT1 Q21 T 941 615 31 TRANSISTOR MMBT3904LT1...

Page 37: ... 839 11 METAL CHIP 33K 5 1 16W R95 1 216 841 11 METAL CHIP 47K 5 1 16W R96 1 216 815 11 METAL CHIP 330 5 1 16W R99 1 216 815 11 METAL CHIP 330 5 1 16W R100 1 216 815 11 METAL CHIP 330 5 1 16W R101 1 216 839 11 METAL CHIP 33K 5 1 16W R102 1 216 847 11 METAL CHIP 150K 5 1 16W R103 1 216 841 11 METAL CHIP 47K 5 1 16W R104 1 216 847 11 METAL CHIP 150K 5 1 16W R105 1 216 833 11 METAL CHIP 10K 5 1 16W R...

Page 38: ...208 1 216 837 11 METAL CHIP 22K 5 1 16W R209 1 216 833 11 METAL CHIP 10K 5 1 16W R210 1 216 833 11 METAL CHIP 10K 5 1 16W R211 1 216 833 11 METAL CHIP 10K 5 1 16W R212 1 216 845 11 METAL CHIP 100K 5 1 16W R213 1 216 865 11 METAL CHIP 3K 5 1 16W SWITCH S1 1 571 101 12 SWITCH SLIDE RINGER LEVEL S2 1 571 377 11 SWITCH SLIDE DIAL MODE TRANSFORMER T1 1 431 965 11 TRANSFORMER LINE IC U1 8 759 459 06 IC ...

Page 39: ...2PF 5 50V C76 1 104 700 11 CERAMIC CHIP 0 027uF 10 16V C77 1 164 315 11 CERAMIC CHIP 470PF 5 50V C78 1 164 217 11 CERAMIC CHIP 150PF 5 50V C79 1 164 217 11 CERAMIC CHIP 150PF 5 50V C80 1 162 909 11 CERAMIC CHIP 4PF 0 25PF 50V C81 1 162 912 11 CERAMIC CHIP 7PF 0 5PF 50V C82 1 162 910 11 CERAMIC CHIP 5PF 0 25PF 50V C83 1 164 298 11 CERAMIC CHIP 0 15uF 10 25V C84 1 164 172 11 CERAMIC CHIP 0 0056uF 10...

Page 40: ...IP 330 5 1 16W R22 1 216 817 11 METAL CHIP 470 5 1 16W R23 1 216 845 11 METAL CHIP 100K 5 1 16W R24 1 216 849 11 METAL CHIP 220K 5 1 16W R25 1 220 151 11 RES CHIP 51 5 1 16W R26 1 216 845 11 METAL CHIP 100K 5 1 16W R27 1 216 833 11 METAL CHIP 10K 5 1 16W R28 1 216 679 11 METAL CHIP 15K 0 5 1 10W R29 1 216 801 11 METAL CHIP 22 5 1 16W R30 1 216 675 11 METAL CHIP 10K 0 5 1 10W R31 1 216 627 11 METAL...

Page 41: ... METAL CHIP 0 5 1 16W R127 1 216 853 11 METAL CHIP 470K 5 1 16W R128 1 218 331 11 RES CHIP 51K 5 1 16W R129 1 216 847 11 METAL CHIP 150K 5 1 16W R130 1 216 847 11 METAL CHIP 150K 5 1 16W R131 1 216 847 11 METAL CHIP 150K 5 1 16W R132 1 216 821 11 METAL CHIP 1K 5 1 16W R133 1 216 835 11 METAL CHIP 15K 5 1 16W R134 1 216 845 11 METAL CHIP 100K 5 1 16W R135 1 216 856 11 METAL CHIP 820K 5 1 16W R137 1...

Page 42: ...DULAR PLUG LINE 22cm 1 696 454 11 CORD WITH MODULAR PLUG LINE 2m15cm 3 010 356 11 LABEL MEMORY 3 012 609 01 SPACER WALL HOOK 3 016 278 11 CASE WALL HOOK 3 862 850 11 MANUAL INSTRUCTION ENGLISH SPANISH 3 862 851 11 GUIDE QUICK START CARD 7 621 849 40 SCREW WOOD R 3 1X25 The components identified by mark or dotted line with mark are critical for safety Replace only with part num ber specified ...

Page 43: ... 56 SPP 935 Sony Corporation Personal Mobile Communication Company 9 925 927 11 98D0513 1 Printed in Japan 1998 4 Published by Quality Assurance Dept ...

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