Level 3 Service Manual
COSMO
Mitsubishi Electric Telecom Europe S.A.
Version A
ZA le Piquet, 35370 Etrelles
Date: 04/00
Phone: +33 2 99 75 71 00
Fax: +33 2 99 75 71 47
TABLE OF CONTENTS
1.
FUNCTIONAL DESCRIPTION ............................................................................................................ 1
1.A
BLOCK DIAGRAM ............................................................................................................................... 1
1.B
DESCRIPTION OF BLOCK DIAGRAM ...................................................................................................... 1
1.b.1
IC 300 One-C (vWS22100). ....................................................................................................... 1
1.b.2
IC100 IPD (Rohm BH6070KUT)................................................................................................ 1
1.b.3
IC600 RF-IC (Hitachi HD155121FEB)..................................................................................... 1
1.b.4
IC601 PLLs & VCOs.................................................................................................................. 1
1.b.5
Memory system. ......................................................................................................................... 1
1.b.6
System Clock. ............................................................................................................................ 2
2.
BATTERY MANAGEMENT................................................................................................................. 2
2.A
BLOCK DIAGRAM ............................................................................................................................... 2
2.B
DESCRIPTION. .................................................................................................................................... 2
2.C
CHARGING PROCESS. .......................................................................................................................... 3
2.D
MAIN CHARACTERISTICS..................................................................................................................... 4
2.E
AUTONOMY CONTROL........................................................................................................................ 4
2.F
POWER ON. ........................................................................................................................................ 5
2.f.1
POWER-Key is pressed (see a ): ................................................................................................... 5
2.f.2
TESTPS is connected (see b): ........................................................................................................ 5
2.f.3
An EXPS accessory is connected (see c): ....................................................................................... 5
2.f.4
RTC alarm interrupt:..................................................................................................................... 5
2.G
POWER OFF. ....................................................................................................................................... 7
2.H
REAL TIME CLOCK ............................................................................................................................. 7
3.
RF SECTION. ......................................................................................................................................... 8
3.A
FREQUENCY RANGE. ........................................................................................................................... 8
3.a.1
E-GSM Frequency :....................................................................................................................... 8
3.a.2
DCS Frequency :........................................................................................................................... 8
3.B
SYNTHESISER CIRCUIT DESCRIPTION................................................................................................. 10
3.C
RF BLOCK DIAGRAM....................................................................................................................... 11
3.c.1
Reception Block Diagram............................................................................................................ 12
3.c.2
Transmission Block Diagram....................................................................................................... 13
3.c.3
Output power control................................................................................................................... 14
4.
SPEECH CODER. ................................................................................................................................ 15
4.A
FEATURES ........................................................................................................................................ 15
4.B
FULL RATE / HALF RATE / ENHANCED FULL RATE. .............................................................................. 15
5.
ANALOGUE AUDIO. .......................................................................................................................... 17
5.A
BUZZER. .......................................................................................................................................... 17
5.B
SPEAKER (RX AUDIO)....................................................................................................................... 17
5.C
MICRO (TX AUDIO). ......................................................................................................................... 17
6.
TESTMODE SOFTWARE................................................................................................................... 18
6.A
EQUIPMENT INSTALLATION ............................................................................................................... 18
6.B
SOFTWARE (MTS) INSTALLATION ..................................................................................................... 19
6.b.1
Simple Setup :.......................................................................................................................... 19
6.b.2
Complete Setup : ..................................................................................................................... 19
6.C
SOFTWARE (MTS) DESCRIPTION ....................................................................................................... 20
6.D
ENTER IN TEST MODE:....................................................................................................................... 21
6.E
POWER ADJUSTMENTS ...................................................................................................................... 22
6.F
RECEIVE ADJUSTMENTS .................................................................................................................... 23
7.
BASIC ADJUSTMENT. ....................................................................................................................... 26
