Samsung SPR5100D, SPR5100MD, SPR5100, SPR5100DY-XEG Alignment and Adjustments

6

. Alignment & Adjustment

1

. Alignment (Baseset RF Module)

DECT TESTER

RF IN / OUT

AF IN

BASE RF
MODULE

OSCILLOSCOPE

2

. Alignment (Handset RF Module)

AF OUT

BASE LOGIC

ADAPTOR FOR

POWER SUPPLY

LINE

FEEDING

BOARD

IIC BUS

ALTERNATIVE
CONNECTION

CONVERTER

BOARD

PC

RF IN / OUT AF IN / OUT

RF SIGNAL

HAND RF

MODULE

OSCILLOSCOPE

POWER SUPPLY

Samsung Electronics

HAND LOGIC

BOARD

3.8 V

13

IIC BUS

ALTERNATIVE
CONNECTION

CONVERTER

BOARD

PC

Alignment & A djustment

°æ30 Hz COUNTER R98

- SELECT ACO AT PC

- ADJUT IT TO SPEC VALUE BY
PRESSING “<” OR “>” KEY AT PC

- CONNECT BASESET TO PC

- CONNECT RF MODULE TO DECT
TESTER

2 NTP 20 dBm ~ 24 dBm - KEEP PRESSING PAGING KEY AND VR1

POWER BASESET ON

- GO TO TEST MODE AT PC

- SELECT TBR6 MODE

- ADJUST TP1

3 FREQ. fo (CH 5)°æ50 kHz - SAME CONDITION WITH NO. 2 VR2

ACCURACY - ADJUST TP2

- CONNECT BASESET TO PC

- CONNECT RF MODULE TO DECT
TESTER

- KEEP PRESSING PAGING KEY AND
POWER BASESET ON PIN 42

4 Vref 2 V - GO TO TEST JIG MODE OF U10

- SELECT RVREF AT PC

- MEASURE THE VOLTAGE OF PIN 42 OF
U13 WITH VOLT METER AND ADJUST
IT TO 2.0 V BY PRESSING °ÆSHIFT°ØKEY
+°Ø<°ØOR °Æ>°ØKEY AT PC

4

. Baseset Part

°ÿfo (CH 5) = 1881.792 MHz

NO ITEM SPEC CONDITION TP

- CONNECT BASESET TO PC

- GO TO “TEST MODE” AT PC

1 X-TAL OSC. 13.824 X - CONNECT R98 TO FREQUENCY

FREQUENCY 10

6

15

Samsung Electronics

Component Pin Array

°æ30 Hz COUNTER C137

- SELECT ACO AT PC

- ADJUST IT TO SPEC VALUE BY

PRESSING “<” OR “>” KEY AT PC

- CONNECT RF MODULE TO DECT

TESTER

- INPUT PARI NUMBER TO TESTER

2 NTP 20 dBm ~ 24 dBm - GO TO TEST MODE BY PRESSING VR1

‘POWER’ KEY + ‘F’ KEY AT POWER
OFF MODE

- GO TO TBR6 MODE BY PRESSING

‘1’ KEY

- ADJUST TP1

3 FREQ. fo (CH 5)°æ50 kHz - SAME CONDITION WITH NO. 2 VR2

ACCURACY - ADJUST TP2

- CONNECT HANDSET TO PC

- CONNECT RF MODULE TO DECT

TESTER

- GO TO TEST MODE BY PRESSING

‘POWER’ KEY + ‘F’ KEY AT POWER
OFF MODE

4 Vref 2 V - GO TO TBR6 MODE BY PRESSING PIN 42

‘1’ KEY OF U13

- GO TO TEST MODE AT PC

- SELECT RVREF

- MEASURE THE VOLTAGE OF PIN 42

OF U10 WITH VOLT METER AND
ADJUST IT TO 2.0 V BY PRESSING

°ÆSHIFT°ØKEY +°Ø<°ØOR °Æ>°ØKEY AT PC

°ÿfo (CH 5) = 1881.792 MHz

5

. Handset Part

NO ITEM SPEC CONDITION TP

- CONNECT BASESET TO PC

- GO TO “TEST MODE” AT PC

1 X-TAL OSC. 13.824 X - CONNECT R98 TO FREQUENCY

FREQUENCY 10

6

16

Samsung Electronics