Sony SPP-121, SPP-124 Service Manual

SPP-121/124

SERVICE MANUAL

Handset

SPECIFICATIONS

General

Frequency control Crystal-controlled PLL Operation mode FM, duplex Operation frequency Base unit: Transmitter :43.72 – 46.9 MHz

Receiver : 48.76 – 49.97 MHz

Handset: Transmitter : 48.76 – 49.9 MHz

Receiver : 43.72 – 46.9 MHz Operation channel 25 channels Supplied accessories AC power adaptor AC-T56 (1)

Telephone line cord (1) Rechargeable battery pack BP-T16 (1) Directories (2 sheets)

Canadian Model

SPP-121

E Model

SPP-124

Base unit

(10,000 µv/Meter at 3 Meter)

Handset

Power source Rechargeable battery pack BP-T16 Battery life Standby: Approx. 14 days

Dimensions Approx. 2 3/8 × 7 3/4 × 1 7/8 inches (w/h/d), antenna

Mass Approx. 7.8 oz (approx. 220 g), battery included

Base unit

Power source DC 9V from AC power adaptor Battery charging time Approx. 12 hours Dimensions Approx. 5 1/4 × 2 1/4 × 8 3/4 inches (w/h/d), antenna

Mass Approx. 11 oz (approx. 310 g)

Design and specifications are subject to change without notice.

Talk: Approx. 6 hours excluded (approx. 58 × 194 × 47 mm)

Antenna: Approx. 4 3/8 inches (approx. 110 mm)

excluded (approx. 132 × 56 × 220 mm) Antenna: Approx. 12 1/4 inches (approx. 310 mm)

CORDLESS TELEPHONE

MICROFILM

TABLE OF CONTENTS

1. GENERAL

Setting up the phone ................................................................ 3

Making and receiving calls...................................................... 4

Speed dialing ........................................................................... 4

Resetting the digital security code........................................... 5

Paging ...................................................................................... 5

2. DISASSEMBLY

2-1. Cabinet (Lower) (Base Unit)............................................... 6

2-2. Cabinet (Rear) (Handset) .................................................... 6

3. TEST MODE

Base Unit Section .................................................................... 7

Handset Section ....................................................................... 9

4. ELECTRICAL ADJUSTMENTS

Base Unit Section .................................................................. 12

Handset Section ..................................................................... 14

5. DIAGRAMS

5-1. IC Pin Descriptions ........................................................... 16

5-2. Block Diagram –Base Unit Section– ................................ 18

5-3. Block Diagram –Handset Section– ...................................19

5-4. Printed Wiring Board –Base Unit Section– ...................... 20

5-5. Schematic Diagram –Base Unit Section– ......................... 21

5-6. Printed Wiring Board –Handset Section– ......................... 22

5-7. Schematic Diagram –Handset Section– ............................ 23

6. EXPLODED VIEWS

6-1. Base Unit Section .............................................................. 24

6-2. Handset Section................................................................. 25

7. ELECTRICAL PARTS LIST ........................................ 26

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.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE P ART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT . NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

À LA SÉCURITÉ!!

SECTION 1

GENERAL

This section is extracted from instruction manual.

456

SECTION 2

)

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

2-1. CABINET (LOWER) (BASE UNIT)

P 3x10

cabinet (lower

2-2. CABINET (REAR) (HANDSET)

claws

connector

battery case lid assy

P 2.6x10

cabinet (rear

SECTION 3

TEST MODE

BASE UNIT SECTION

MANUAL TEST MODE

Set the Test Mode:

1. Set the DIAL MODE switch to “P” (pulse).

2. While pressing the HANDSET LOCATOR key, insert the AC adaptor (Reset start).

3. With the HANDSET LOCATOR key, still held down, switch the DIAL MODE switch “P” (pulse) n “T” (tone) n “P” (pulse).

4. When the HANDSET LOCATOR key is released, test mode starts.

5. Firstly, “0” will be dialled out at 10 pps. Then “1”, “4”, “8” and “#” will be sent out by DTMF.

6. Set to TX ON. Goes to external line state in 1 CH.

Release the Test Mode:

1. Pull out the AC adaptor or turn off the power.

– base main board (conductor side) –

TP46

MACHINE TEST MODE

Set the Test Mode:

1. With one of the CH setting terminals in “H” input state,cause Reset of Power ON. Equipment enters machine test mode.

2. Setting of CH according to logic input with CH setting terminal.

3. ON/OFF of TX is according to the input logic of the DIAL MODE terminal.

Release the Test Mode:

1. Pull out the AC adaptor or turn off the power.

2. Remove the short plug and turn on the power again.

IC101

TP65

TP64

TP66

TP63

TP47

TP62

TP61

TP67

IC501

TP106

Channel Setting:

During startup in machine test mode, make the following channel settings by loading the terminal input data.

Pin No.

Channel

CH1 H L L L 43.720 48.760 CH2 L H L L 43.740 48.840 CH3 H H L L 43.820 48.860 CH4 L L H L 43.840 48.920 CH5 43.920 49.020 CH6 43.960 49.080 CH7 44.120 49.100 CH8 44.160 49.160

CH9 44.180 49.200 CH10 44.200 49.240 CH11 44.320 49.280 CH12 44.360 49.360 CH13 44.400 49.400 CH14 H L H L 44.460 49.460 CH15 L H H L 44.480 49.500 CH16 H H H L 46.610 49.670 CH17 L L L H 46.630 49.845 CH18 46.670 49.860 CH19 46.710 49.770 CH20 46.730 49.875 CH21 46.770 49.830 CH22 46.830 49.890 CH23 H L L H 46.870 49.930 CH24 L H L H 46.930 49.990 CH25 H H L H 46.970 49.970

TEST1 L L H H 43.780 48.800 TEST2 H L H H 43.890 48.970 TEST3 L H H H 46.800 49.910 TEST4 H H H H 46.900 49.950

23 24 25 26

M1 M2 M3 M4

(TP61) (TP62) (TP63) (TP64)

TX frequency RX frequency

(MHz) (MHz)

Machine Test Mode Input / Output:

1. Input (Input ports for other than main tasks) Pin Name Pin No. Function Logic

M1 (TP61) 23 M2 (TP62) 24 M3 (TP63) 25 M4 (TP64) 26

DIAL MODE

(TP47)

HANDSET LOCATOR

(TP46)

29 28 27 TEST1 TEST2 TEST3 Operation with CHARGE LED Operation with TX ON (TP67) (TP66) (TP65)

L L L If RSSI (H) is detected : Light ON If RSSI (H) is detected : Light ON L L H If RSSI (L) is detected : Light ON If RSSI (L) is detected : Light ON L H L If TX LOCK is detected : Light OFF If TX LOCK is detected : Light OFF L H H If RX LOCK is detected : Light OFF If RX LOCK is detected : Light OFF H L L BEEP output H L H ID CODE output H H L If RING is detected : Light ON If RING is detected : Light ON H H H If HANDSET LOCATOR key is input : Light ON If HANDSET LOCATOR key is input : Light ON

2. Output (Output ports for other than main tasks) Pin Name Pin No. Function H Logic L Logic

CHARGE DET (TP21) 18 State in section 1. Input Refer to section 1. Input

Setting the CH (channel) Refer to channel setting

17 Setting the TX ON/OFF TONE : open, PULSE : short

Manual : Channel increment Incrementing of channels in order from 1 to 25.

16 Machine : Dial data “5” is output to Key input with “L” input.

DTMF/DP exchange The first time there is output of “5” with DTMF.

HANDSET SECTION

MANUAL TEST MODE

Set the Test Mode:

1. Enter the test mode by pressing 0 key while pressing 1 and TALK keys when in idle condition. (Key operation 0 n 1 n TALK )

2. The RINGER will ring for 500 msec. when the test mode is started.

3. Measurement mode of consumption current. (42# state)

4. Use key input to carry out the various settings.

5. Use port inputs to set output from LED terminals.

Release the Test Mode:

1. Press the 0 , 0 and # keys.

2. Turn off the power. (Remove the battery and replace them.)

– hand main board (side B) –

TP35

TP55

IC101

MACHINE TEST MODE

Set the Test Mode:

1. When power on reset is applied while a “H” (high) is input the TEST SW (TP43) terminal (IC501 $º pin), the RING (Level H, 500 msec.) sounds.

2. Following that, at timing in which the TEST SW terminal has “H” (high) input, there is output of “L” (low) by the CH (channel) setting control terminal. Then there is PLL setting to the CH which was read to with the CH setting terminal according to that “L” (low) output.

3. Set the TX setting to TX OFF.

4. The channel is set by voice not by data.

5. Use port inputs to set output from LED terminals.

Release the Test Mode:

1. Press the OFF key.

2. Remove the short plug and turn on the power.

TP36

TP13

TP43 TP44

TP33

IC501

TP14 TP16

TP15 TP17

Channel Setting:

During startup in machine test mode, make the following channel settings by loading the terminal input data.

Pin No.

Channel

CH1 H L L L L 48.760 43.720 CH2 H L L L H 48.840 43.740 CH3 H L L H L 48.860 43.820 CH4 H L L H H 48.920 43.840 CH5 H L H L L 49.020 43.920 CH6 H L H L H 49.080 43.960 CH7 H L H H L 49.100 44.120 CH8 H L H H H 49.160 44.160

CH9 H H L L L 49.200 44.180 CH10 H H L L H 49.240 44.200 CH11 H H L H L 49.280 44.320 CH12 H H L H H 49.360 44.360 CH13 H H H L L 49.400 44.400 CH14 H H H L H 49.460 44.460 CH15 H H H H L 49.500 44.480 CH16 L L H H L 49.670 46.610 CH17 L L H H H 49.845 46.630 CH18 L H L L L 49.860 46.670 CH19 L H L L H 49.770 46.710 CH20 L H L H L 49.875 46.730 CH21 L H L H H 49.830 46.770 CH22 L H H L L 49.890 46.830 CH23 L H H L H 49.930 46.870 CH24 L H H H L 49.990 46.930 CH25 L HHHH 49.970 46.970

TEST1 L L L H L 48.800 43.780 TEST2 L L L H H 48.970 43.890 TEST3 L L H L L 49.910 46.800 TEST4 L L H L H 49.950 46.900

34 33 32 31 29

ROW5 ROW4 ROW3 ROW2 ROW1 (TP13) (TP14) (TP15) (TP16) (TP17)

TX frequency RX frequency

(MHz) (MHz)

Machine Test Mode Input / Output:

1. Input (Input ports for other than main tasks) Pin Name Pin No. Function Logic

ROW1 (TP17) 29 ROW2 (TP16) 31 ROW3 (TP15) 32 Setting the CH (channel) Refer to channel setting ROW4 (TP14) 33

ROW5 (TP13) 34 TEST CH (TP33) 1 Control terminal for setting the CH (channel) H : OFF, L : ON TEST SW (TP43) 40 Start up of the test mode H : Start, L : Not start

TEST ACK (TP44) 44

2. Output (Output ports for other than main tasks) Pin Name Pin No. Function H Logic L Logic

TALK LED (TP35) 48

KEY LED (TP55) 2

During the test mode, causes start of intermittent operation with external input.

Various input/output monitor output (default : RSSI (H) detection). During test mode : All light lit. However, does not include measurment of consumption current.

H : Intermittent start

No detection Detection

No light Light

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