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SERVICE MANUAL

SPECIFICATIONS

General

Frequency band (SPP-ID975)

902 – 928 MHz

Frequency band (SPP-ID976)

923.1 – 927.75 MHz
Base phone : 18 µW
Handset

: 73 µW

Operating channel

30 channels

Dial signal

Tone, 10 PPS (pulse) selectable

Supplied accessories

AC power adaptor AC-T122 (1)
Telephone line cords (2)
Wall bracket for base phone (1)
Rechargeable battery pack BP-T23 (1)

Handset

Power source

Rechargeable battery pack BP-T23

Battery charging time

Approx. 12 hours

Battery life

Standby : Approx. 7 days
Talk

: Approx. 6 hours

Dimensions

Approx. 58 

×

 177 

×

 46

 

mm (w/h/d),

antenna excluded
(approx. 2 

3/8

 

×

 7 

×

 1 

13/16

 inches)

Antenna: Approx. 72 mm
(approx. 2 

7/8

 inches)

Mass

Approx. 270 g
(approx. 9.5 oz), battery included

SPP-ID975/ID976

US Model

SPP-ID975

Canadian Model

SPP-ID976

CORDLESS TELEPHONE

MICROFILM

Photo: SPP-ID975

Base phone

Power source

DC 9V from AC power adaptor
AC-T122

Battery charging time

Approx. 24 hours

Dimensions

Approx. 166 

×

 63 

×

 225 mm (w/h/d),

antenna excluded
(approx. 6 

5/8

 

×

 2 

1/2

 

×

 8 

7/8

 inches)

Antenna: Approx. 120 mm
(approx. 4 

3/4

 inches)

Mass

Approx. 595 g
(approx. 1 lb 9 oz), wall bracket excluded

Design and specifications are subject to
change without notice.

Notes on Chip Component Replacement

Never reuse a disconnected chip component.

Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.

Ver 1.0  1999. 11

Summary of Contents for SPP-ID975 - Cordless Telephone

Page 1: ... excluded approx 2 3 8 7 1 13 16 inches Antenna Approx 72 mm approx 2 7 8 inches Mass Approx 270 g approx 9 5 oz battery included SPP ID975 ID976 US Model SPP ID975 Canadian Model SPP ID976 CORDLESS TELEPHONE MICROFILM Photo SPP ID975 Base phone Power source DC 9V from AC power adaptor AC T122 Battery charging time Approx 24 hours Dimensions Approx 166 63 225 mm w h d antenna excluded approx 6 5 8...

Page 2: ...16 2 5 RF Unit BU 17 2 6 Base Key Board 17 3 ELECTRICAL ADJUSTMENTS 3 1 Handset 18 3 2 Base Phone 19 4 DIAGRAMS 4 1 Block Diagram Base Phone Section 21 4 2 Block Diagram Handset Section 23 4 3 Schematic Diagram Base Main Section 1 2 25 4 4 Schematic Diagram Base Main Section 2 2 27 4 5 Printed Wiring Board Base Main Section 29 4 6 Printed Wiring Board Base Key Section 33 4 7 Schematic Diagram Base...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from SPP ID975 s instruction manual ...

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Page 15: ... BOARD HANDSET CASE REAR RF UNIT HS HAND MAIN BOARD BASE PHONE BASE BOTTOM BASE MAIN BOARD RF UNIT BU BASE KEY BOARD 3 BTP 3x12 4 1 5 6 7 8 2 battery case lid HS 9 case rear claw 4 7 1 BTP 3x12 6 VOL knob HS 7 Removal the solders 3 BTP 3x12 9 Removal the solders charge terminals battery terminals 0 Removal the solders qa HAND MAIN board 2 B 2x8 4 B 2x6 5 B 2x6 antenna ANT1001 8 RF unit HS ...

Page 16: ...P 3x12 6 base bottom 4 5 2 BTP 3x12 3 BTP 3x12 1 screws 3x30 9 BASE MAIN board battery terminal BU charge springs 2 BTP 3x12 4 Removal the solders 5 Removal the solders 6 Removal the solders 7 Removal the solders 8 Removal the solders 3 BTP 3x12 ...

Page 17: ... 17 2 5 RF UNIT BU 2 6 BASE KEY BOARD 1 BTP 3x12 2 BTP 3x12 lug 3 B 2x8 4 RF unit BU 1 BTP 3x12 3 speaker holder 4 B 2x6 7 BASE KEY board 5 B 2x6 6 Removal the solders 2 BTP 3x12 ...

Page 18: ...ELECTRICAL ADJUSTMENTS 3 Verify Procedure Item Remark 18 4MHz Frequency Error Connect the frequency counter to the test point J1 press 0 key to turn on the TX power Then check the frequency 1 kHz If the result is within 1 kHz then no adjustment required Otherwise refer to item 4 for Adjustment Procedure 4 Adjustment Procedure Item Adjustment Element Remark 18 4MHz Frequency Error C1030 1 Remove C1...

Page 19: ...ment RF channel Press the INTERCOM key 2 Test Equipment Required and Connection 3 Verify Procedure Item Remark 18 4MHz Frequency Error Connect the frequency counter to the test point J1 press 0 key to turn on the TX power Then check the frequency 1 kHz If the result is within 1 kHz then no adjustment required Otherwise refer to item 4 for Adjustment Procedure 4 Adjustment Procedure Item Adjustment...

Page 20: ...11 FSK 89 RINGER 86 EAOUT 87 EAIN 88 4 12 5 13 6 14 16 10 17 18 9 8 LCD DB4 LCD DB5 11 14 8 12 PCLK SER PCLK LCD DB6 LCD DB7 LCD E LCD R W LCD RS LCD1 LCD MODULE 30 I 34 35 I 39 ROW0 ROW4 COL0 COL4 7 LED POWER CONTROL Q3002 3005 ANT3001 TELESCOPIC ANTENNA SYSTEM CONTROL U3003 I P4 0 P4 4 I RECHARGEABLE BATTERY BP T23 DC 3 6V CHARGE TERMINAL 04 Signal Path TX To Tel Line RX From Tel Line bell J1003...

Page 21: ...OM U1006 11 TX PWR 3 1V 3 6V POWER CONTROL Q1004 REG Q1010 1012 CHARGE DET Q1008 RF POWER CONTROL Q1007 RF POWER CONTROL Q1006 REG U1007 H S103 VOL M L X1001 18 4MHz 83 84 86 90 4 12 5 13 6 14 16 10 17 18 9 8 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 RINGER OUT Q1009 12 LED DRIVE Q1002 LCD KEY PAD BACK LIGHT U...

Page 22: ...ss unless otherwise specified C panel designation U B Line Power voltage is dc 9 V and fed with regulated dc power supply from external power voltage jack BASE PHONE Power voltage is dc 12 V and fed with regulated dc power supply from J1008 with 100 Ω in series BASE PHONE Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal HANDSET Voltage is dc with respect to grou...

Page 23: ...4 4 SCHEMATIC DIAGRAM BASE MAIN SECTION 2 2 Refer to page 41 for IC Block Diagrams 27 28 SPP ID975 ID976 RF UNIT BU Page 35 Page 26 ...

Page 24: ...975 ID976 29 30 D1001 F 5 D1011 G 5 D1012 H 5 D1015 H 4 D1016 H 4 D3001 C 8 Q1006 G 6 Q1008 H 6 Q3001 C 6 Q3002 C 9 Q3003 B 6 Q3005 D 9 U1003 G 5 U3001 B 8 U3003 D 7 U3004 B 7 U3005 B 9 U3007 C 7 U3008 A 6 Semiconductor Location side A Ref No Location ...

Page 25: ... 31 32 SPP ID975 ID976 D1006 G 2 D1007 F 2 D1008 F 2 D1009 F 2 D1010 F 2 Q1001 E 4 Q1007 G 9 U1001 F 4 U1002 F 3 Semiconductor Location side B Ref No Location Page 34 ...

Page 26: ... 6 PRINTED WIRING BOARD BASE KEY SECTION D7 D 3 D8 C 3 D9 C 3 D10 E 7 D11 C 8 D12 E 8 D13 A 8 Semiconductor Location Ref No Location Ref No Location D14 D 2 D15 D 2 D16 C 2 D17 C 2 D18 B 2 D19 B 2 D20 A 2 33 34 Page 31 ...

Page 27: ...SPP ID975 ID976 4 7 SCHEMATIC DIAGRAM BASE KEY SECTION 35 36 Page 27 ...

Page 28: ...A 7 D1004 A 8 D1006 B 8 D1009 A 5 D1011 B 5 D1017 A 6 D1019 B 6 D1020 A 3 D1023 A 2 D1024 B 2 D1025 B 2 D1026 B 2 D1027 A 2 D1028 B 2 D1030 B 6 D1031 A 7 D1032 C 2 D1033 C 2 Q1002 B 3 Q1004 A 6 Q1006 B 1 Q1007 B 1 Q1008 A 7 Q1009 B 7 Q1010 A 6 Q1012 A 7 U1001 B 4 U1006 A 2 U1007 C 1 Semiconductor Location Ref No Location ...

Page 29: ... 39 40 SPP ID975 ID976 4 9 SCHEMATIC DIAGRAM HAND MAIN SECTION Refer to page 41 for IC Block Diagrams ...

Page 30: ...n Remark Accessories and packing materials are given in the last of this parts list IC Block Diagrams U1006 3007 CAT93C86S LE10 U3001 MC74HC595AF U3004 MC34118DW U3005 MC34119D 41 42 R 1 8 2 3 4 INSTRUCTION DECODER CONTROL LOGIC AND CLOCK GENERATORS INSTRUCTION REGISTER ADDRESS REGISTER DECODER IOF 1024 or 2048 DATA OUT BUFFER EEPROM ARRAY 16384 BIT 1024X16 or 2048X8 READ WRITE AMPS DATA IN OUT RE...

Page 31: ...BATTERY CASE 63 3 038 066 01 BASE TOP 64 3 038 068 01 BASE LENS ID975 64 3 038 068 11 BASE LENS ID976 65 3 041 553 01 KEY BU975 VOLUME 66 3 038 090 01 HOOK 67 3 041 275 01 PACKING SPEAKER 68 3 041 274 01 HOLDER SPEAKER 69 A 3672 877 A RF UNIT BU 70 4 356 741 21 SCREW TAPPING BIND 2X8 71 3 038 069 01 BASE BOTTOM 72 3 041 534 01 FOOT RUBBER 73 3 044 147 01 SPONGE MICROPHONE 74 3 044 146 01 SCREW 3X3...

Page 32: ...METAL 1 5K 1 1 4W A 3672 878 A BASE MAIN BOARD COMPLETE CAPACITOR C1001 1 104 665 11 ELECT 100uF 20 25V C1002 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C1003 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C1004 1 126 933 11 ELECT 100uF 20 16V C1006 1 102 973 00 CERAMIC 100PF 5 50V C1007 1 102 973 00 CERAMIC 100PF 5 50V C1008 1 102 973 00 CERAMIC 100PF 5 50V C1009 1 109 994 11 CERAMIC CHIP 2 2uF 10 10V C1010 ...

Page 33: ... 1N4004 D1008 8 719 911 55 DIODE 1N4004 D1009 8 719 911 55 DIODE 1N4004 D1010 8 719 911 55 DIODE 1N4004 D1011 8 719 909 90 DIODE BAV99 D1012 8 719 909 90 DIODE BAV99 D1015 8 719 909 90 DIODE BAV99 D1016 8 719 909 90 DIODE BAV99 D3001 8 719 077 35 DIODE BB555 JACK J1001 1 580 727 11 JACK DC IN 9V J1008 1 565 999 11 JACK MODULAR 2P LINE COIL L1001 1 408 117 00 INDUCTOR 10uH L1003 1 408 117 00 INDUCT...

Page 34: ...3 11 METAL CHIP 10K 5 1 16W R3044 1 216 828 11 METAL CHIP 3 9K 5 1 16W R3045 1 216 845 11 METAL CHIP 100K 5 1 16W R3046 1 216 849 11 METAL CHIP 220K 5 1 16W R3047 1 216 849 11 METAL CHIP 220K 5 1 16W R3048 1 218 272 11 RES CHIP 5 1K 5 1 16W R3049 1 218 272 11 RES CHIP 5 1K 5 1 16W R3050 1 216 845 11 METAL CHIP 100K 5 1 16W R3051 1 216 831 11 METAL CHIP 6 8K 5 1 16W R3056 1 218 293 11 RES CHIP 24K ...

Page 35: ...028 8 719 063 83 LED SML 310MTT86 D1030 8 719 047 37 DIODE BAS16 D1031 8 719 070 56 DIODE PDZ5 1B 115 D1032 8 719 063 83 LED SML 310MTT86 D1033 8 719 063 83 LED SML 310MTT86 TRANSISTOR Q1002 8 729 026 07 TRANSISTOR MMBT3906LT1 Q1004 8 729 922 00 TRANSISTOR MMST2907A Q1006 8 729 026 07 TRANSISTOR MMBT3906LT1 Q1007 8 729 026 07 TRANSISTOR MMBT3906LT1 Q1008 8 729 026 06 TRANSISTOR MMBT3904LT1 Q1009 8...

Page 36: ...SWITCH SLIDE VOL IC U1001 X 3378 159 1 ASIC ASSY ASIC BOARD COMPLETE U1002 1 505 594 11 BUZZER U1003 1 542 260 31 MICROPHONE ELECTRET CONDENSER U1005 1 505 593 11 SPEAKER 2 8cm U1006 8 759 466 52 IC CAT93C86S LE10 U1007 8 759 651 11 IC LP29811M5 3 0 VIBRATOR X1001 1 577 269 11 VIBRATOR CRYSTAL 18 4MHz MISCELLANEOUS 8 A 3672 875 A RF UNIT HS HANDSET 69 A 3672 877 A RF UNIT BU BASE PHONE ANT1001 1 7...

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