![background image](http://html.mh-extra.com/html/samsung/sph-a900/sph-a900_service-manual_1189362027.webp)
SAMSUNG Proprietary-Contents may change without notice
Test Procedure
6-7
This Document can not be used without Samsung's authorization
- CDMA Test items
TEST ITEMS
PROCEDURE
1. PREPARANCE
Set test equipments up.
[ 4 7 * 8 6 9 # 1 2 3 5 ] : Enter the Test Mode
"0 0 1" : Suspend
Confirm that the phone is in the "CDMA Mode".
(If not CDMA Mode, Use Test Command "022""2XXXX" and Push
the "
" Key to "OK", and enter "0 0 2" to restart)
If you select a wrong key, press " # ", then enter new command.
To exit the Test Mode at any time, just press [0 0 2].
2. FREQUENCY
ACCURACY
"0 0 1" : Suspend.
"0 1 3 0 3 6 3 * " : Set channel to 363.
"0 1 1" : Carrier On.
"0 1 9 X X X ' END[Push and Hold] ' " : Set AGC Code(XXX) level.
Measure the TX frequency : 835.89MHz±300Hz.
3. OCCUPIED CDMA
BANDWIDTH
"0 0 1" : Suspend.
"0 1 3 0 3 6 3 * " : Set channel to 363.
"0 1 1" : Carrier On.
"0 1 4" : Spread spectrum.
"0 1 9 X X X ' END[Push and Hold] ' " : Enter AGC Code(XXX) to adjust
RF Output Power.
Measure the bandwidth (spec: 1.23MHz).
4. LIMITATIONS ON
EMISSIONS
"0 0 1" : Suspend.
"0 1 3 0 3 6 3 * " : Set channel to 363.
"0 1 1" : Carrier On.
"0 1 4" : Spread spectrum.
"0 1 0 Select 1 *" :Set PA_R1 to High Gain Mode
"0 1 9 X X X ' END[Push and Hold] ' " : Enter AGC Code(XXX) to adjust
RF Output Power.
Measure the spurious at F
C
±900kHz, F
C
±1.98MHz, 2F
C,
3F
C,
1/2F
C
.
spec: F
C
±900kHz below 42dBc/30kHz
F
C
±1.98MHz below 54dBc/30kHz
Outside Receive Band 43+10log (PY)
PY: Mean Output Power in watts
5. GATED POWER &
TIME
Set the service option 2.
Set the data rate Eighth (1200bps).
Registering: HHP
→
HP8924C.
Call
: HP8924C
→
HHP.
Measure the Gated Power & Time.
spec : Gated Power - at least 20dB
Gated Time - Rising Time : below 6
㎲
Falling Time : below 6
㎲
Burst Time : below 1.25
㎳