Sony SPP-Q123 Manual de usuario

– 1 –

MICROFILM

E Model

SERVICE MANUAL

CORDLESS TELEPHONE

SPP-Q123

SPECIFICATIONS

– 2 –

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 PART NUMBERS APPEAR AS SHOWN IN THIS

MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

1. GENERAL .......................................................................... 3

2. DISASSEMBLY

2-1. Battery Case Lid ................................................................... 7

2-2. Cabinet (Rear) ....................................................................... 7

2-3. Hand Main Board.................................................................. 7

3.TEST MODE ....................................................................... 8

4. ELECTRICAL ADJUSTMENTS ............................... 13

5. DIAGRAMS

5-1. Block Diagrams

• Base Unit Section ............................................................. 15

• Handset Section ................................................................17

5-2. Printed Wiring Board – Base Unit Section – ...................... 21

5-3. Schematic Diagram – Base Unit Section – ......................... 23

5-4. Schematic Diagram – Handset Section – ........................... 25

5-5. Printed Wiring Board – Handset Section – ......................... 27

5-6. IC Pin Function Description ............................................... 29

6. EXPLODEDVIEWS

6-1. Handset Section .................................................................. 31

6-2. Base Unit Section................................................................ 32

7. ELECTRICAL PARTS LIST ........................................ 33

TABLE OF CONTENTS

– 3 –

SECTION 1

GENERAL

1Charging terminals

2Hang-up tab

3Telescopic antenna

4CHARGE lamp

5PAGE key

678

!º

!¡

!™

LOCATION AND FUNCTION OF CONTROLS

BASE UNIT

6LINE jack

7DIAL MODE switch

8DC IN 9V jack

HANDSET

1SPEED DIAL

2TALK button

3TALK/BATT low lamp

4OFF button

5SPEAKER

6Helical antenna

7FLASH button

8Dialing keys

9CHANNEL button

0REDIAL/PAUSE button

!¡ PGM

!™ Microphone

– 4 –

This section is extracted from

instruction manual.

– 5 –

– 6 –

– 7 –

SECTION 2

DISASSEMBLY

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

2-1. BATTERY CASE LID

Nickel cadmium battery

Battery case lid

Screws (2.6x8)

Cabinet (rear)

Screws (2.6x8)

Screw (2.6x12)

Connector (CN101

)

Hand main board Helical antenna

2-2. CABINET (REAR)

2-3. HAND MAIN BOARD

– 8 –

SECTION 3

TEST MODE

BASE UNIT SECTION

MANUALTEST MODE

Set the Test Mode:

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

2. While pressing the [PAGE] key, switch on the power supply (Re-

set start).

3. With the [PAGE] key, still held down, switch the [DIALMODE]

switch “P” (pulse) n“T” (tone) n“P” (pulse).

4. When you release the [PAGE] key, test mode starts.

5. First dial “0” at 10 pps. Then output “1”, “4”, “8” and “#” with

DTMF.

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

Release the Test Mode:

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

MACHINETEST 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 and turn off the power.

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

TP61 (M1)

TP62 (M2)

TP66 (TEST2)

TP63 (M3)

TP67 (TEST3)

TP65 (TEST1)

TP64 (M4)

TP106 (5V)

TP47 (DIAL MODE)

TP46(PAGE)

– base main board (conductor side) –

– 9 –

Channel Setting:

During startup in machine test mode, make the following channel

settings by loading the terminal input data.

Machine Test Mode Input / Output:

1. Input (Input ports for other than main tasks)

2. Output (Output 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) 17 Setting the TX ON/OFF H(T) : OFF, L(P) : ON

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

PAGE (TP46) 16 Machine : Dial data "5" is output to DTMF/DP exchange

Key input with "L" input.

The first time there is out

ut of "5" with DTMF.

Setting the CH (channel) Refer to channel settig

29 Pin 28 Pin 27 Pin Operation with Operation with

TEST1 (TP65) TEST2 (TP66) TEST3 (TP67) CHARGE LED TX ON

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 PAGE KEY is input : Light ON If PAGE KEY is input : Light ON

Pin Name Pin No. Function H Logic L Logic

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

Pin No. 23 24 25 26 TX frequency RX frequency

Channel M1(TP61) M2(TP62) M3(TP63) M4(TP64) (MHz) (MHz)

CH1 H L L L 43.720 48.760

CH2 L H L L 43.740 48.840

CH3 HHL 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 HHHH 46.900 49.950

– 10 –

HANDSET SECTION

MANUALTEST MODE

Set the Test Mode:

1. Enter the test mode by pressing -key while pressing 1key

and [TALK] when in idle condition.

(Key operation -n1n[TALK])

2. The RINGER willringfor500msecwhenthetestmodeis started.

3. Measurement mode of consumption current. (42# state. Refer to

2-3.)

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 -, -and [#] key.

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

MACHINETEST MODE

Set the Test Mode:

1. When power on reset is applied while a “H” (high) is input the

TEST SW(TP43) terminal (IC501 40pin), the RING (Level H,

500msec) sounds.

2. Following that, at a timing in which the TEST SW terminal has

“H” (high) input, there is output of “L” (low) by the CH (chan-

nel) setting control terminal. Then there is PLL setting to the

CH which was read to wit 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. Turn off the power.

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

TP43 (TEST SW)

TP36 (H) TP44 (TEST ACT)

TP35 (TALK LED)

TP55 (KEY LED) TP33 (TEST CH)

TP17(ROW1)

TP16 (ROW2)

TP15 (ROW3)

TP14 (ROW4)

TP13 (ROW5)

– hand main board (conductor side) –

IC101 IC501

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