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Sony SPP-SS950 Service Manual

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SERVICE MANUAL
Ver 1.2 2000. 06
With SUPPLEMENT-1
(9-925-727-81)
General
Spread method
Direct-Sequence Spread-Spectrum
Access method
FDMA-TDD
Frequency band
902 – 928 MHz
Operation channel
20 channels
Supplied Accessories AC power adaptor AC-T37 (1) (US model)
AC power adaptor AC-T47 (1) (E model)
Telephone line cords (2) (US model)
Telephone line cord (1) (E model)
Rechargeable battery pack BP-T18 (1)
Directories (2 sheets)
Wall bracket/stand (1)
Screws (2) (E model)
Handset
Power source
Rechargeable battery pakc BP-T18
Battery life
Standby: Approx. 7 days (RING ON mode)
Talk: Approx. 4 hours
Approx. 58 × 177 × 46 mm (w/h/d), antenna
Dimensions
excluded
Antenna: 72 mm
Mass
Approx. 250 g, battery included
MICROFILM
SPECIFICATIONS
Approx. 3 weeks (BATT SAVE mode)
SPP-SS950
Base unit
Power source
DC 9V from AC power adaptor
Battery charging time Approx. 12 hours
Approx. 128 × 58 × 208 mm (w/h/d), antenna
Dimensions
excluded
Antenna: 165 mm
Mass
Approx. 320 g, wall bracket excluded
Design and specifications are subject to change without notice.
CORDLESS TELEPHONE
US Model
E Model

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  • Page 1 SPP-SS950 SERVICE MANUAL US Model E Model Ver 1.2 2000. 06 With SUPPLEMENT-1 (9-925-727-81) SPECIFICATIONS General Base unit Spread method Direct-Sequence Spread-Spectrum Power source DC 9V from AC power adaptor Access method FDMA-TDD Battery charging time Approx. 12 hours Approx. 128 × 58 × 208 mm (w/h/d), antenna Frequency band 902 –...

  • Page 2: Table Of Contents

    WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN 4-3. Handset Test Mode ............11 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE ELECTRICAL ADJUSTMENTS PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL 5-1.
  • Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
  • Page 4 – 4 –...

  • Page 5: Disassembly

    SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. REAR CABINET 2 two screws (BTP 2.6 × 10) 1 Remove the battery case lid to direction of the arrow A . 4 claw 3 two claws 5 Remove the rear cabinet to direction of the arrow B .
  • Page 6 HAND MAIN BOARD 2 four screws 1 connector (P 3 × 16) 3 screw (BTP 2.6 × 8) 1 connector 3 three screws (BTP 2.6 × 8) 4 HAND MAIN board LOWER CABINET 3 lower cabinet 1 two screws (BTP 2.6 × 8) 1 two screws 2 two claws (BTP 2.6 ×...

  • Page 7: 900Mhz System Operation

    SECTION 3 900MHz SYSTEM OPERATION 3-1. ACCESS METHOD 3-2. PROTOCAL 1. Transfer format & rate 1. General The transfer format & rate of our system is as follows; This system realizes the TX/RX superframe by TDD system. The relation of master/slave dose not decide identification regarding Table 3-1.
  • Page 8 4. Stand-by Mode Operation (1) HS When the HS is the stand-by mode (sleep mode), the HS do the intermittent operation for power save, because the HS is the bat- tery operation. This process of stand-by mode operation is as follows. 10 sec 10 sec Heart-Beat...
  • Page 9 5. Link Establishment Master Slave Accoding to the following Fig. 3-1, the requested side for link establishment is the master. The system have to exchange the A-Frame for link establishment, and each system ID should be the same ID, and then the system A-Frame link is established.

  • Page 10: Test Mode

    SECTION 4 TEST MODE 4-1. BASE UNIT TEST MODE A 4-2. BASE UNIT TEST MODE B [Start-up] [Start-up] 1. Set [DIAL MODE] switch to the P (PULSE) side. 1. Set [DIAL MODE] switch to the T (TONE) side. 2. With [PAGE] button kept pressed, reset the POWER ON (con- 2.
  • Page 11 4-3. HAND SET [Key Matrix Test Mode and LED Test Mode] • Key Matrix Test mode [Start-up] 1. With the power supplied, press [TALK] [0] [1] keys simultaneously, 1. Enter “5 1 #” keys, and the Key Matrix Test mode is activated. 2.

  • Page 12: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. BASE UNIT SECTION 3. Checking TX Output Setting: • Make the set in Test mode (see page 10) peak power meter 1. Checking RX I&Q Output Level Setting: ANTENNA TERMINAL – oscilloscope level meter TP903: RXIP Procedure: TP904: RXIN 1.

  • Page 13: Handset Section

    5-2. HANDSET SECTION 3. Checking TX output Setting: • Make the set in Test mode (see page 11) peak power meter 1. Checking RX I&Q Output Level Setting: ANTENNA TERMINAL – oscilloscope level meter TP520: RXIP Procedure: TP521: RXIN 1. Place the handset in the Continuous Transmit mode (1CH, High TP522: RXQP –...
  • Page 14 ADJUSTMENT LOCATION: [BASE MAIN BOARD] (Conductor Side) ANTENNA TERMINAL : Checking RX I&Q Output level frequency counter : Checking TX Center Frequency peak power meter : Checking TX Output TP918 and TP919 short: Checking TX Center Frequency  TP903: RXIP ...
  • Page 15 [HAND MAIN BOARD] (Conductor Side) ANTENNA TERMINAL : Checking RX I&Q Output level frequency counter : Checking TX Center Frequency peak power meter : Checking TX Output TP520: RXIP TP555 and TP553 short: TP521: RXIN Checking TX Center Frequency TP522: RXQP TP523: RXQN level meter: Checking RX I &...

  • Page 16: Diagrams

    SPP-SS950 SECTION 6 DIAGRAMS • Waveform 1 IC751 oj (XTALI) 4 Vp-p 9.6 MHz – 16 – – 17 – – 18 –...
  • Page 17 SPP-SS950 – 19 – – 20 –...
  • Page 18 SPP-SS950 – 21 – – 22 –...
  • Page 19 SPP-SS950 • IC Block Diagram IC401, 701 10497-14 19 18 VOXRNT 16 BIT MODULATOR RESETB VOXSND REGISTOR & FILTER MCLK AVDD DVSS LINE-IN CONTROL DVDD REGISTOR DATAI AVSS DATAO 16 BIT MODULATOR MICIN REGISTOR & FILTER RBIAS 1 2 3 4 5 6 7 8 •...

  • Page 20: Ic Pin Function Description

    Pin Name Function KEYPADB5 — Not used D0-2 — Not used DIAL MAKE rate selection input H: 40%, L: 33% Model selection input H: SPP-SS950 D5-7 — Not used 10-14 KEY PADI0-4 — Not used KEYPADI5 PAGE key input VSSC —...
  • Page 21 Pin No. Pin Name Function BATTERY Battery voltage input (Pull up) — Not used AGC control output CALLER-ID — Not used PARKP Charging detection input L: active VDDC — Power supply (+5 V) VSSP — Ground SYNDATA Synthesizer DATA output SYNTH5MCLK Synthesizer REF OSC output 67, 68...
  • Page 22 • HAND MAIN BOARD IC501 C7302-11 (RDSSS9M-ASIC) Pin No. Pin Name Function KEYPADB5 — Not used D0-3 — Not used Model selection input H: SPP-SS950 D5-7 — Not used 10-15 KEY PADI0-5 Key matrix scan input L: KEY ON VSSC — Ground VDDC —...
  • Page 23 Pin No. Pin Name Function BATTERY Battery voltage input (Pull up) — Not used AGC control output CALLER-ID — Not used PARKP Charging detection input L: active VDDC — Power supply (+3.6 V) VSSP — Ground SYNDATA Synthesizer DATA output SYNTH5MCLK Synthesizer REF OSC output LCDRS...

  • Page 24: Exploded Views

    Ver 1.2 2000. 06 SECTION 7 EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they may have some difference from the original are seldom required for routine service. Some one.
  • Page 25 (2) BASESET SECTION ANT901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3374-536-1 CABINET (LOWER) ASSY 3-012-371-11 CABINET (UPPER) * 52 A-3622-107-A BASE MAIN BOARD, COMPLETE (US) 3-012-374-01 HOLDER (HANDSET) * 52 A-3622-108-A BASE MAIN BOARD, COMPLETE (E) 3-012-375-01 HOLDER (ANTENNA) 3-012-378-01 TERMINAL (BASE), CHARGE 3-007-173-01 LABEL (TERMINAL CAUTION) (/S)

  • Page 26: Electrical Parts List

    SECTION 8 BASE MAIN ELECTRICAL PARTS LIST NOTE: The components identified by mark ing these items. • Due to standardization, replacements in the ! or dotted line with mark ! are parts list may be different from the parts speci- •...
  • Page 27 BASE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC601 8-759-482-72 IC uPC29M05HF R104 1-216-057-00 METAL CHIP 2.2K 1/10W IC602 8-759-519-46 IC S-80730AN-DT-S R105 1-216-085-00 METAL CHIP 1/10W IC701 8-759-475-69 IC 10497-14 IC751 8-759-475-70 IC C7302-11 R107 1-216-021-00 METAL CHIP 1/10W...
  • Page 28 BASE MAIN HAND MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R782 1-216-041-00 METAL CHIP 1/10W C403 1-163-031-11 CERAMIC CHIP 0.01uF R787 1-216-041-00 METAL CHIP 1/10W C404 1-164-222-11 CERAMIC CHIP 0.22uF R790 1-216-041-00 METAL CHIP 1/10W R792 1-216-041-00 METAL CHIP...
  • Page 29 HAND MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R413 1-216-025-00 METAL GLAZE 1/10W R414 1-216-025-00 METAL GLAZE 1/10W IC301 8-759-519-46 IC S-80730AN-DT-S R415 1-216-061-00 METAL CHIP 3.3K 1/10W IC401 8-759-475-69 IC 10497-14 R501 1-216-121-00 METAL GLAZE 1/10W...
  • Page 30 SPP-SS950 Ref. No. Part No. Description Remark MISCELLANEOUS *************** 1-771-137-11 SWITCH, RUBBER KEY ANT501 1-501-933-11 ANTENNA ANT901 1-501-932-11 ANTENNA SP401 1-504-829-11 SPEAKER (28MM) ************************************************************ ************** HARDWARE LIST ************** 7-685-650-79 SCREW +P 3X16 TYPE2 NON-SLIT 7-685-135-19 SCREW +B 2.6X10 7-685-134-19 SCREW +BTP 2.6X8 TYPE2 N-S ************************************************************ ACCESSORIES &...
  • Page 31 Argentine model is almost the same as E model. The difference parts from E model are described in this ser- vice manual. Please refer to SPP-SS950 service manual previously is- sued for the other infomation. • DIFFERENCE PARTS LIST Page...

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