Sony SPP-888 Service Manual Download Page 41

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33 32 31

30 29 28 27 26 25 24 23

1 2 3 4 5 6 7 8

9 10 11

COMMON

DRIVER

SHIFT

SEGMENT

DRIVER

LATCH

CLOCK

GENERATOR

ADDRESS

DETECTOR

OSC

VSS

VLCD2

VLCD1

VLCD

VDD

COM4

COM3

COM2

COM1

S33

S32

S31

S30

S29

S28

S25

S26

S24

S23

S22
S21

S20

S19
S17

S16

S15
S14

S13

P1/S1

P2/S2

P3/S3

P4/S4

P5/S5

P6/S6

P7/S7

P8/S8

S10

S11

S12

INH

IC201

S-80730AL-AT-T1 (BASE MAIN board)

IC404

S-80727AL-AQ-T1 (HAND KEY board)

IC301

S-24C01AFJA-TB-01 (BASE MAIN board)

OUT

VDD

VSS

VOLTAGE

DET

I/O

CONTROL

LOGIC

MEMORY

CONTROL

LOGIC

SENSE AMP

R/W

CONTROL

ADDRESS
COUNTER

Y DECODER

HV PUMP

X DECODER

VSS

VCC

SCL

SDA

PAGE BUFFER

EEPROM

ARRAY

IC601

LC75834JED (BASE LCD board)

Summary of Contents for SPP-888

Page 1: ...inches Mass Approx 255 g approx 8 oz battery included SPP 888 E Model CORDLESS TELEPHONE Base phone Power source DC 9V from AC power adaptor Dimensions Approx 185 95 215 mm w h d antenna excluded approx 7 3 8 3 3 4 8 1 2 inches Antenna Approx 700 mm approx 27 5 8 inches Mass Approx 755 g approx 27 oz Cordless handset charge cradle Power source DC 9V from AC power adaptor Dimensions Approx 68 90 22...

Page 2: ...d 15 2 6 Cabinet Rear 15 2 7 Hand Main Board 16 3 TEST MODE Base Phone Section 17 Handset Section 19 4 ELECTRICAL ADJUSTMENTS Base Phone Section 22 Handset Section 24 5 DIAGRAMS 5 1 IC Pin Description 26 5 2 Block Diagram Base Phone Section 27 5 3 Block Diagram Handset Section 28 5 4 Printed Wiring Board Base Key Section 29 5 5 Schematic Diagram Base Key Section 29 5 6 Printed Wiring Boards Base M...

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

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Page 13: ... P3x10 4 cabinet lower 3 2 P3x10 SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 2 1 CABINET LOWER 2 2 BASE LCD BOARD 1 CN301 2 BTP2 6x8 3 BTP2 6x8 4 BASE LCD board ...

Page 14: ...14 2 3 BASE KEY BOARD 2 4 BASE MIC BOARD 4 BASE KEY board 2 BTP2 6x8 3 BTP2 6x8 1 CN302 2 BTP2 6x8 3 BASE MIC board 1 Unsolder the 2 places ...

Page 15: ...15 1 battery case lid hand 2 BTP 2 6x10 3 claws 4 claws 5 claw 6 cabinet rear 2 5 BASE MAIN BOARD 2 6 CABINET REAR 1 Unsolder the 2 places 2 BTP2 6x8 3 BTP2 6x8 4 BTP2 6x8 5 BASE MAIN board ...

Page 16: ...3 0 BVTP 2x8 2 BTP 2x8 4 Unsolder the 3 places 5 Unsolder 8 Unsolder 6 Unsolder 7 Unsolder 3 BTP 2x8 charge terminals hand speaker claws HAND KEY board 9 HAND MAIN board discharge gap CP101 2 7 HAND MAIN BOARD ...

Page 17: ...e power 2 Remove the short plug and turn on the power again OPERATION AT START OF TEST MODE The ringer sounds for 500 msec Setting of channel CH1 for manual test mode and the Channel Setting terminal for machine test mode See page 18 TX is set ON and the handset is allowed to call outside RSSI is set to Hi sensitivity Liquid crystal display panel is turned ON for 1 sec and then the channel is disp...

Page 18: ... and reads it displaying the following if it is normal and EP Error if abnormal 123456789012 pictogram for transmit regulation also displayed 4 Key input test The keys are to be input in the following order Each key input produces a key touch tone An incorrect key input in the order causes an error tone returning to the test mode idle state Once all the keys are normally input a completion sound i...

Page 19: ... 3 Turn on the power to start the test mode Release the Test Mode 1 Turn off the power 2 Remove the short plug and turn on the power OPERATION AT START OF TEST MODE The ringer sounds for 500 msec Setting of channel CH1 for manual test mode and the Channel Setting terminal for machine test mode See page 20 TX is set ON and the handset is allowed to call outside RSSI is set to Hi sensitivity Liquid ...

Page 20: ...10 CH20 H L H L L 49 875 46 730 CH21 H L H L H 49 830 46 770 CH22 H L H H L 49 890 46 830 CH23 H L H H H 49 930 46 870 CH24 H H L L L 49 990 46 930 CH25 H H L L H 49 970 46 970 TEST1 H H L H L 48 800 43 780 TEST2 H H L H H 48 970 43 890 TEST3 H H H L L 49 910 46 800 TEST4 H H H L H 49 950 46 900 Machine Test Mode Input Output 1 Input Input ports for other than main tasks Pin Name Pin No Function L...

Page 21: ...can be separately set in their state 1 Key input test The keys are to be input in the following order Each key input produces a key touch tone An incorrect key input in the order causes an error tone returning to the test mode idle state Once all the keys are normally input a completion sound is produced returning to the test mode idle state TALK n OFF n 1 n 2 n 3 n 4 n 5 n 6 n 7 n 8 n 9 n TONE n ...

Page 22: ... test mode Refer to page 17 Switch position S301 DIAL MODE P pulse TX SECTION ADJUSTMENT The resistor 50 Ω connected TP1 to TP3 GND Only TX section adjustment TX VT Adjustment Setting Procedure 1 The digital voltmeter connected TP8 TX VT to TP18 GND 2 Adjust the L3 for 2 2 0 1 V reading on the digital voltmeter RX VT Adjustment Setting Procedure 1 Adjust the FL4 for the maximam reading on the leve...

Page 23: ...23 S301 L4 FL4 RV1 L3 base main board component side base main board conductor side TP10 TP18 TP8 TP9 TP1 TP3 TP102 TP101 50 Ω Adjustment Location ...

Page 24: ... to handset manual test mode Refer to page 19 TX SECTION ADJUSTMENT TX VT Adjustment Setting Procedure 1 The digital voltmeter connected TP103 TXVT to TP4 GND 2 Adjust the L101 for 1 8 0 1V reading on the digital voltmeter RX VT Adjustment Setting Procedure 1 Adjust the L4 for the maximam reading on the level meter RSSI Hi Adjustment Note Perform the adjustment at T1CH 26CH 43 780 MHz as a rule Se...

Page 25: ...25 L101 L3 RV1 TP23 TP4 TP1 TP22 TP7 TP103 TP28 L4 hand main board side A hand main board side B Adjustment Location ...

Page 26: ...CTRL O TX power control output 26 HICUT MUTE O High band noise mute output 27 RSSI H L O RSSI sens select output L Low sens 28 VOL CTRL O VOLUME HIGH NORM select output 29 32 P80 83 O Not used Fixed at H in this set 33 MODEL0 I Destination model select input 0 Fixed at L in this set 34 MODEL1 I Destination model select input 1 Fixed at L in this set 35 TEST CLK I O At initial ID writing clock inpu...

Page 27: ... AMP MUTE Q701 RING SWITCH Q104 RING DETECTOR PH101 RING MUTE PH102 DP CONTROL Q102 TEL PARA DETECTOR Q103 106 5V SP101 SPEAKER LINE FILTER T101 1 8 RING CONTROL IC101 D108 D709 D112 D104 D107 D106 D10 D105 D109 D115 D116 1 2 S101 HOOK OFF ON SURGE ABSORBER VAR101 NOISE FILTER L101 J101 LINE 5 52 11 64 63 62 61 31 DTMF HFC 36 35 34 33 VOL0 23 HOOK DET CLK DATA PLL STB SIG IN 30 DP 39 SP AMP MUTE 2...

Page 28: ... L RX DATA IN BATT LOW IN HICUT MUTE TX DATA CLK DATA STB SIG STATE VOL CTRL 64 MIC ON OFF 5 OSC1 6 OSC2 53 LCD B CTRL 1 44 43 42 OUT 0 OUT 1 OUT 2 OUT 3 OUT 4 41 45 BEEP ATT 3 RINGER 39 LIGHTS 40 TALK LED CTRL RV1 MUTE COMPRESSOR LIMITER DATA LATCH CONTROL MIC IN MIC OUT FIL IN COMP OUT FIL OUT 9 6 7 8 5 10 11 COMPRESSOR IC1 3 3 CLK DATA STB SIG OUT 14 SYSTEM CONTROL IC401 CHARGE CN2 D404 24 23 2...

Page 29: ...m the component side carbon pattern b Pattern from the side which enables seeing The other layer s patterns are not indicated D501 I 1 D502 I 5 Semiconductor Location Ref No Location SPP 888 5 5 SCHEMATIC DIAGRAM BASE KEY SECTION Note on Schematic Diagram C panel designation U B Line Page 30 Page 33 ...

Page 30: ...2 D108 G 13 D109 H 12 D111 G 11 D112 G 13 D113 E 6 D115 G 13 D116 G 13 D117 G 12 D120 G 8 D201 I 3 D202 I 4 D203 E 5 D301 H 4 D302 D 5 D303 B 4 D304 B 3 D305 B 3 D701 B 14 D702 B 14 D705 E 5 D706 F 10 D709 E 9 IC1 B 9 IC101 G 11 IC102 H 3 IC103 E 8 IC201 D 5 IC301 C 5 IC302 D 3 PH101 F 11 PH102 F 11 PH201 F 10 Q1 B 12 Q2 D 12 Q3 A 8 Q4 B 12 Q101 I 11 Q102 G 11 Q103 H 9 Q104 E 11 Q105 H 11 Q106 H 1...

Page 31: ...ustment for repair Power voltage is dc 12 V and fed with regulated dc power supply from J101 with 100 Ω in series Power voltage is dc 9 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark TALK Impossible to measure Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to no...

Page 32: ...specified 2 nonflammable resistor C panel designation U B Line Power voltage is dc 12 V and fed with regulated dc power supply from J101 with 100 Ω in series Power voltage is dc 9 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark TALK Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations ...

Page 33: ... and 1 4 W or less unless otherwise specified C panel designation U B Line Power voltage is dc 12 V and fed with regulated dc power supply from J101 with 100 Ω in series Power voltage is dc 9 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark TALK Impossible to measure Voltages are taken with aVOM Input i...

Page 34: ...cation SIDE A Note X parts extracted from the component side b Pattern from the side which enables seeing The other layer s patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated Page 30 ...

Page 35: ...tage is dc 12 V and fed with regulated dc power supply from J101 with 100 Ω in series Power voltage is dc 9 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark TALK Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Page 33 ...

Page 36: ...component side Y parts extracted from the conductor side r Through hole b Pattern from the side which enables seeing The other layer s patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated SPP 888 Page 38 Page 38 ...

Page 37: ... resistors are in Ω and 1 4 W or less unless otherwise specified internal component U B Line H adjustment for repair Power voltage is dc 3 6 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal condition no mark TALK Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances ...

Page 38: ... B 6 Q301 B 2 Q302 A 4 Q401 A 8 Q402 A 8 Q403 B 6 Q404 B 5 Q405 B 6 Semiconductor Location Ref No Location SIDE A Note Y parts extracted from the conductor side r Through hole b Pattern from the side which enables seeing Pattern of the rear side Caution Pattern face side Parts on the pattern face side seen from the Side B pattern face are indicated Parts face side Parts on the parts face side seen...

Page 39: ...ics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified C panel designation U B Line Power voltage is dc 3 6 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal condition no mark TALK Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances S...

Page 40: ...2 41 40 39 38 37 36 35 34 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 DYNAMIC LIMITER STARTER SWITCH AGC LINE CURRENT DETECTION LOW VOLTAGE BEHAVIOUR TX AND RX ENVELOPE AND NOISE DETECTORS ANALOG MULTIPLEXER CONTROL ATT ATT POWER DOWN CURRENT SOURCES ESI RENV DLC RSEN RNOI TSEN TENV TNOI HFRX AUXO TXAUX RAUX AUXC HFC HFTX GARX RECO QR DTMF MIC MIC GNDTX ...

Page 41: ...29 S28 S25 S26 S24 S23 S22 S21 S20 S19 S17 S16 S15 S14 S13 CL DI P1 S1 P2 S2 P3 S3 P4 S4 P5 S5 P6 S6 P7 S7 P8 S8 S10 S11 S12 INH IC201 S 80730AL AT T1 BASE MAIN board IC404 S 80727AL AQ T1 HAND KEY board IC301 S 24C01AFJA TB 01 BASE MAIN board 1 2 3 OUT VDD VSS VOLTAGE DET 1 I O CONTROL LOGIC MEMORY CONTROL LOGIC SENSE AMP R W CONTROL ADDRESS COUNTER Y DECODER HV PUMP X DECODER A0 2 A1 3 A2 4 8 7 ...

Page 42: ...PIN1 P60 SI1 ML 1 2 3 4 5 6 7 8 9 10 11 52 51 50 49 48 PA2 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 64 63 62 61 60 59 58 57 56 55 PC1 PC0 53 54 P21 SO0 P20 SI0 P13 P12 P11 P10 P31 POUT0 P32 POUT1 P23 INT0 P22 SCK0 P30 INT1 RES P33 HOLD P61 SO1 DP ROM 12K 16K 8KB PC PRESCALER MPX MPX INTERRUPT CONTROL DTMF GEN SYSTEM CONTROL TIMER 0 SERIAL I O 0 MPX TIMER 1 SERIAL I O 1 RAM STACK 512W SP EMR DP...

Page 43: ...CONTROL LOGIC SENSE AMP R W CONTROL Y DECODER HV GENERATOR X DECODER A0 2 A1 3 A2 4 8 7 6 5 VSS VCC WP SCL SDA PAGE LATCH EEPROM ARRAY 256 x 8 IC301 RH5RL30AA T1 HAND KEY board 1 2 3 GND VIN VOUT REG IC402 24LC16BT SN HAND KEY board ...

Page 44: ...799 01 CABINET LOWER 2 7 685 647 79 SCREW P 3X10 TYPE2 NON SLIT 3 3 936 696 21 FOOT RUBBER 4 3 038 803 01 STAND PARENT 5 3 918 133 01 CUSHION MICROPHONE 6 1 673 997 12 BASE MIC BOARD 7 7 685 134 19 SCREW BTP 2 6X8 TYPE2 N S 8 A 3622 313 A BASE MAIN BOARD COMPLETE 9 3 012 141 01 BRACKET SPEAKER 10 1 775 798 41 CORD CURL 11 X 3377 451 1 HAND ASSY G LOCAL 12 3 033 281 01 WINDOW BASE 13 3 035 377 01 S...

Page 45: ... 400 01 PLATE LCD LIGHT GUIDE 62 3 027 149 01 SHEET LCD 63 A 3672 744 A HAND MAIN BOARD COMPLETE 64 3 025 397 01 CABINET REAR 65 3 027 146 01 LID H CUSHION BATTERY CASE 66 3 025 396 41 CABINET FRONT 67 3 025 398 01 LID HAND BATTERY CASE 68 3 371 765 21 SCREW 2X8 BTP 69 7 685 134 19 SCREW BTP 2 6X8 TYPE2 N S 70 7 685 535 14 SCREW BTP 2 6X10 TYPE2 N S 71 3 027 147 01 SHEET RECEIVER ADHESIVE 72 3 027...

Page 46: ...PLAY LCD601 1 803 592 11 DISPLAY PANEL LIQUID CRYSTAL TRANSISTOR Q601 8 729 216 22 TRANSISTOR 2SA1162 G RESISTOR R601 1 216 053 00 METAL CHIP 1 5K 5 1 10W R602 1 216 097 00 RES CHIP 100K 5 1 10W R603 1 216 029 00 METAL CHIP 150 5 1 10W R604 1 216 029 00 METAL CHIP 150 5 1 10W R605 1 216 093 00 RES CHIP 68K 5 1 10W R606 1 216 029 00 METAL CHIP 150 5 1 10W R610 1 216 039 00 METAL CHIP 390 5 1 10W R6...

Page 47: ...RAMIC CHIP 0 47uF 10 16V C125 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C126 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C127 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C128 1 126 963 11 ELECT 4 7uF 20 50V C129 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C130 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C131 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C132 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C133 1 107 823 11 CERAMIC ...

Page 48: ... MC14066BF IC103 8 759 587 96 IC TEA1099H C1 551 IC201 8 759 519 46 IC S 80730AN DT S IC301 8 759 487 03 IC S 24C01AFJA TB 01 IC302 8 759 597 66 IC LC662516A 4L37 JACK J101 1 766 250 11 JACK MODULAR 2C 6P LINE J102 1 779 364 11 JACK MODULAR 4C 4P HANDSET J201 1 779 207 11 JACK DC POLARITY UNIFIED TYPE DC IN 9V JUMPER RESISTOR JC1 1 216 296 00 SHORT 0 JC2 1 216 296 00 SHORT 0 JC3 1 216 296 00 SHORT...

Page 49: ...IP 33K 5 1 10W R10 1 216 019 00 METAL CHIP 56 5 1 10W R11 1 216 057 00 METAL CHIP 2 2K 5 1 10W R12 1 216 049 11 RES CHIP 1K 5 1 10W R13 1 216 025 00 RES CHIP 100 5 1 10W R14 1 216 115 00 METAL CHIP 560K 5 1 10W R15 1 216 085 00 METAL CHIP 33K 5 1 10W R16 1 216 081 00 METAL CHIP 22K 5 1 10W R17 1 216 073 00 METAL CHIP 10K 5 1 10W R18 1 216 053 00 METAL CHIP 1 5K 5 1 10W R19 1 216 109 00 METAL CHIP ...

Page 50: ...470K 5 1 10W R201 1 216 045 00 METAL CHIP 680 5 1 10W R202 1 216 045 00 METAL CHIP 680 5 1 10W R203 1 216 045 00 METAL CHIP 680 5 1 10W R204 1 216 033 00 METAL CHIP 220 5 1 10W R205 1 216 033 00 METAL CHIP 220 5 1 10W R206 1 216 061 00 METAL CHIP 3 3K 5 1 10W R207 1 216 037 00 METAL CHIP 330 5 1 10W R210 1 216 097 00 RES CHIP 100K 5 1 10W R301 1 216 073 00 METAL CHIP 10K 5 1 10W R302 1 216 049 11 ...

Page 51: ... 135 181 21 TANTALUM CHIP 4 7uF 20 6 3V C407 1 109 982 11 CERAMIC CHIP 1uF 10 10V C408 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C409 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C412 1 163 033 11 CERAMIC CHIP 0 022uF 50V C413 1 110 501 11 CERAMIC CHIP 0 33uF 10 16V C414 1 164 505 11 CERAMIC CHIP 2 2uF 16V C415 1 164 346 11 CERAMIC CHIP 1uF 16V C416 1 164 505 11 CERAMIC CHIP 2 2uF 16V C418 1 163 021 11...

Page 52: ...1 216 073 00 METAL CHIP 10K 5 1 10W R313 1 216 073 00 METAL CHIP 10K 5 1 10W R314 1 216 073 00 METAL CHIP 10K 5 1 10W R315 1 216 037 00 METAL CHIP 330 5 1 10W R316 1 216 033 00 METAL CHIP 220 5 1 10W R317 1 216 033 00 METAL CHIP 220 5 1 10W R318 1 216 033 00 METAL CHIP 220 5 1 10W R319 1 216 025 00 RES CHIP 100 5 1 10W R320 1 216 025 00 RES CHIP 100 5 1 10W R321 1 216 025 00 RES CHIP 100 5 1 10W R...

Page 53: ...P 0 001uF 10 50V C102 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C104 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C105 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C106 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C107 1 163 253 11 CERAMIC CHIP 120PF 5 50V C108 1 163 235 11 CERAMIC CHIP 22PF 5 50V C109 1 163 235 11 CERAMIC CHIP 22PF 5 50V C110 1 163 227 11 CERAMIC CHIP 10PF 0 5PF 50V C111 1 163 227 11 CERAMIC C...

Page 54: ...00 RES CHIP 100 5 1 10W R105 1 216 037 00 METAL CHIP 330 5 1 10W R106 1 216 085 00 METAL CHIP 33K 5 1 10W R107 1 216 049 11 RES CHIP 1K 5 1 10W R108 1 216 085 00 METAL CHIP 33K 5 1 10W R109 1 216 107 00 METAL CHIP 270K 5 1 10W R111 1 216 097 00 RES CHIP 100K 5 1 10W R112 1 216 073 00 METAL CHIP 10K 5 1 10W R113 1 216 069 11 METAL CHIP 6 8K 5 1 10W R114 1 216 105 00 RES CHIP 220K 5 1 10W R115 1 216...

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