Release 1.0
Technical Documentation
02/2006
TD_Repair_L3_Theory of Operation_S88_R1.0.pdf Page 2 of 54
Table of Content
1
Introduction ...............................................................................................................................4
1.1
P
URPOSE
...............................................................................................................................4
1.2
S
COPE
...................................................................................................................................4
1.3
T
ERMS AND
A
BBREVIATIONS
...................................................................................................4
2
List of available level 3 parts....................................................................................................5
3
Required Equipment for Level 3 ..............................................................................................7
4
Required Software for Level 3..................................................................................................7
5
PCB Main Board Overview .......................................................................................................8
6
Radio Part Introduction.............................................................................................................9
6.1
B
LOCK DIAGRAMS
RF
PART
...................................................................................................10
6.2
BRIGHT
VI
E
CHIPSET
(HD
155165BP) ...............................................................................11
6.2.1
First Local Oscillator.....................................................................................................11
6.2.2
RF-PLL .........................................................................................................................11
6.2.3
RF VCO (LO1)..............................................................................................................11
6.2.4
Second local oscillator (640~656MHz).........................................................................11
6.2.5
Receiver .......................................................................................................................12
6.2.6
Transmitter ...................................................................................................................12
6.2.7
Bright IC Overview .......................................................................................................13
6.3
A
NTENNA SWITCH
(
ELECTRICAL
/
MECHANICAL
).......................................................................14
6.4
RF
M
ICRO
D
EVICES TRANSMITTER POWER AMPLIFIER
RF3166 ..............................................15
7
Logic / Control Introduction...................................................................................................16
7.1
S88
L
OGIC
B
LOCK
D
IAGRAM
.................................................................................................16
7.2
C
ALYPSO
-
TWL3014 ...........................................................................................................17
7.2.1
Operation theory...........................................................................................................18
7.3
IOTA
–
TWL3025 ................................................................................................................21
7.3.1
Operation theory...........................................................................................................22
7.3.2
Power Supply diagram .................................................................................................26
7.3.3
System power on/off Sequence ...................................................................................27
7.4
A
PPLICATION
P
ROCESSOR
SHJ2
+
SD128............................................................................28
7.4.1
Multimedia Processor SH7315.....................................................................................29
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