Siemens L25e, A65, 60series Service Manual
s Com
A60/A62/A65/C60/C61/MC60
Level 2.5e
Repair Documentation
V 2.10
Version Date Department Notes to change
V 1.00 08.09.2003 ICM MP CCQ GRM New document
V 2.00 20.01.2004 ICM MP CCQ GRM C61 added
V 2.10 15.12.2004 Com MD CC GRM T Document modified
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Table of Contents:
1 List of available level 2,5e parts A60/C60 4
2 List of available level 2,5e parts A62/A65 6
3 List of available level 2,5e parts MC60 8
4 List of available level 2,5e parts C61 11
5 Required Equipment for Level 2,5e 13
6 Required Software for Level 2,5e 13
7 Radio Part 14
7.1 BLOCK DIAGRAM RF PART 15
7.2 POWER SUPPLY RF-PART 16
7.3 FREQUENCY GENERATION 16
7.3.1 Synthesizer: The discrete VCXO (26MHz) 16
7.3.2 Synthesizer: LO1 18
7.3.3 Synthesizer: LO2 19
7.3.4 Synthesizer: PLL 20
7.4 ANTENNA SWITCH (ELECTRICAL/MECHANICAL ONLY C61/MC60) 20
7.5 RECEIVER 23
7.6 TRANSMITTER 24
7.6.1 Transmitter: Modulator and Up-conversion Loop 24
7.7 BRIGHT IC OVERVIEW 26
7.7.1 Transmitter: Power Amplifier 27
8 Logic / Control 28
8.1 OVERVIEW OF HARDWARE STRUCTURE 28
8.1.1 Logic Block Diagram A60C60 and C61 28
8.1.2 Logic Block Diagram MC60 29
8.2 EGOLD+ 30
8.2.1 SRAM 34
8.2.2 FLASH 34
8.2.3 SIM 34
8.2.4 Vibration Motor 34
9 Power Supply 34
9.1 POWER SUPPLY ASIC 34
9.1.1 Power Supply Operating modes: 36
9.1.2 Power Supply Functions: 38
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BATTERY 44
9.2
9.3 CHARGING CONCEPT 45
10 Camera (only MC60) 49
10.1 CAMERA POWER SUPPLY 49
10.2 CAMERA INTERFACES 49
10.3 CAMERA MODULE CONNECTOR 51
11 Interfaces 52
11.1 VIBRA 52
11.2 EARPIECE 52
11.3 MICROPHONE 53
11.4 BATTERY 53
11.5 IO CONNECTOR WITH ESD PROTECTION 54
11.5.1 IO Connector – New Slim Lumberg 54
11.5.2 ESD Protection with EMI filter 55
11.6 SIM 56
11.7 DISPLAY 56
12 Acoustic 57
12.1 MICROPHONE 57
12.1.1 Mechanical 57
12.1.2 Electrical 57
12.2 EARPIECE/LOUDSPEAKER 58
12.2.1 Mechanical 58
12.2.2 Electrical 58
13 Display and Illumination 59
13.1 DISPLAY 59
13.2 ILLUMINATION 60
14 Keyboard 61
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1 List of available level 2,5e parts A60/C60
ID-No Type Name, Location Part-No.
D171 IC Egold+ V3.1F , V3.1H M42 L36197-F5019-F415
D361 IC ASIC D0950 SALZBURG L36145-J4682-Y43
R955 Resistor Temp_Resistor L36120-F4223-H
V181 Diode Diode_Battery_Interface L36702-A1051
V211 Transistor Tran._Vibra L36830-C1097-D670
V220 Diode Diode_Vibra L36851-Z9105-Z981
V222 Transistor Trans_Light_ L36830-C1112-D670
V361 Transistor Tran._Charge L36830-C1110-D670
V951 Diode Capa_Diode L36840-D61-D670
Z171 Quartz Quarz/Egold L36145-F102-Y10
Z211 Filter Logic/IO_Interface L36197-F5000-F116
Z950 Quartz Oszillator_26MHz L36145-F260-Y17
N881 Filter Ant_Switch_Diplexer L36145-K280-Y258
N882 IC Transceiver IC L36820-L6142-D670
N901 IC Power_Amplifier L36851Z2002A 63
R141 Resistor Resistor 0 Ohm L36852-C X
R214 Resistor Resistor 0 Ohm L36852-C X
R215 Resistor Resistor 0 Ohm L36852-C X
R294 Resistor Resistor 0 Ohm L36852-C X
R804 Resistor Resistor 0 Ohm L36852-C X
R884 Resistor Resistor 0 Ohm L36852-C X
R885 Resistor Resistor 0 Ohm L36852-C X
R883 Resistor Resistor 0 Ohm L36852-C X
R950 Resistor Resistor 0 Ohm L36852-C X
V151 Diode Diode KB7 L36840-D5062-D670
C368 Capacitor Capacitor 2U2 L36377-F6225-M
C369 Capacitor Capacitor 2U2 L36377-F6225-M
C370 Capacitor Capacitor 2U2 L36377-F6225-M
C371 Capacitor Capacitor 2U2 L36377-F6225-M
C373 Capacitor Capacitor 2U2 L36377-F6225-M
C377 Capacitor Capacitor 2U2 L36377-F6225-M
C847 Capacitor Capacitor 2U2 L36377-F6225-M
C287 Capacitor Capacitor 2U2 L36377-F6225-M
C288 Capacitor Capacitor 2U2 L36377-F6225-M
C289 Capacitor Capacitor 2U2 L36377-F6225-M
C916 Capacitor Capacitor 2U2 L36377-F6225-M
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C283 Capacitor Capacitor 1U0 L36377-F6105-K
C284 Capacitor Capacitor 1U0 L36377-F6105-K
C285 Capacitor Capacitor 1U0 L36377-F6105-K
C372 Capacitor Capacitor 1U0 L36377-F6105-K
C286 Capacitor Capacitor 1U0 L36377-F6105-K
C395 Capacitor Capacitor RTC L36392-F1107-M
C165 Capacitor Capacitor 100N L36853-C9104-M4
C200 Capacitor Capacitor 100N L36853-C9104-M4
C201 Capacitor Capacitor 100N L36853-C9104-M4
C202 Capacitor Capacitor 100N L36853-C9104-M4
C207 Capacitor Capacitor 100N L36853-C9104-M4
C209 Capacitor Capacitor 100N L36853-C9104-M4
C220 Capacitor Capacitor 100N L36853-C9104-M4
C362 Capacitor Capacitor 100N L36853-C9104-M4
C363 Capacitor Capacitor 100N L36853-C9104-M4
C364 Capacitor Capacitor 100N L36853-C9104-M4
C365 Capacitor Capacitor 100N L36853-C9104-M4
C366 Capacitor Capacitor 100N L36853-C9104-M4
C367 Capacitor Capacitor 100N L36853-C9104-M4
C374 Capacitor Capacitor 100N L36853-C9104-M4
C381 Capacitor Capacitor 100N L36853-C9104-M4
C382 Capacitor Capacitor 100N L36853-C9104-M4
C383 Capacitor Capacitor 100N L36853-C9104-M4
C384 Capacitor Capacitor 100N L36853-C9104-M4
C385 Capacitor Capacitor 100N L36853-C9104-M4
C386 Capacitor Capacitor 100N L36853-C9104-M4
C800 Capacitor Capacitor 100N L36853-C9104-M4
C814 Capacitor Capacitor 100N L36853-C9104-M4
C820 Capacitor Capacitor 100N L36853-C9104-M4
C821 Capacitor Capacitor 100N L36853-C9104-M4
C956 Capacitor Capacitor 100N L36853-C9104-M4
C912 Capacitor Capacitor 100N L36853-C9104-M4
N280 IC VReg Display_Backlight L36810-C6098-D670
V191 Diode Diode_Sim Interface L36197-F5014-F98
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2 List of available level 2,5e parts A62/A65
ID Type Component Details Partnumber
N881 Filter Ant_Switch_Diplexer L36145-K280-Y258
N882 IC Transceiver IC L36820-L6142-D670
Z950 Quartz Oszillator_26MHz L36145-F260-Y17
V951 Diode Capa_Diode L36840-D61-D670
R955 Resistor Temp_Resistor L36120-F4223-H
N901 IC Power_Amplifier L36851-Z2002-A63
D171 IC Egold+ V3.1F , V3.1H M42 L36197-F5019-F415
Z171 Quartz Quarz/Egold L36145-F102-Y10
D361 IC ASIC D0950 SALZBURG L36145-J4682-Y43
V361 Transistor Tran._Charge L36830-C1110-D670
Z211 Filter Logic/IO_Interface L36197-F5000-F116
V211 Transistor Tran._Vibra L36830-C1097-D670
V220 Diode Diode_Vibra L36851-Z9105-Z981
N280 IC VReg Display_Backlight L36810-C6098-D670
V222 Transistor Trans_Light_ L36830-C1112-D670
V191 Diode Diode_Sim Interface L36197-F5014-F98
V151 Diode Diode KB7 L36840-D5062-D670
R141 Resistor Resistor 0 Ohm L36852-C X
R294 Resistor Resistor 0 Ohm L36852-C X
R804 Resistor Resistor 0 Ohm L36852-C X
R884 Resistor Resistor 0 Ohm L36852-C X
R885 Resistor Resistor 0 Ohm L36852-C X
R950 Resistor Resistor 0 Ohm L36852-C X
C369 Capacitor Capacitor 2U2 L36377-F6225-M
C370 Capacitor Capacitor 2U2 L36377-F6225-M
C371 Capacitor Capacitor 2U2 L36377-F6225-M
C373 Capacitor Capacitor 2U2 L36377-F6225-M
C377 Capacitor Capacitor 2U2 L36377-F6225-M
C825 Capacitor Capacitor 2U2 L36377-F6225-M
C287 Capacitor Capacitor 2U2 L36377-F6225-M
C288 Capacitor Capacitor 2U2 L36377-F6225-M
C289 Capacitor Capacitor 2U2 L36377-F6225-M
C916 Capacitor Capacitor 2U2 L36377-F6225-M
C283 Capacitor Capacitor 1U0 L36377-F6105-K
C284 Capacitor Capacitor 1U0 L36377-F6105-K
C285 Capacitor Capacitor 1U0 L36377-F6105-K
C372 Capacitor Capacitor 1U0 L36377-F6105-K
C286 Capacitor Capacitor 1U0 L36377-F6105-K
C395 Capacitor Capacitor RTC L36392-F1107-M
C165 Capacitor Capacitor 100N L36853-C9104-M4
C200 Capacitor Capacitor 100N L36853-C9104-M4
C201 Capacitor Capacitor 100N L36853-C9104-M4
C202 Capacitor Capacitor 100N L36853-C9104-M4
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C207 Capacitor Capacitor 100N L36853-C9104-M4
C209 Capacitor Capacitor 100N L36853-C9104-M4
C220 Capacitor Capacitor 100N L36853-C9104-M4
C362 Capacitor Capacitor 100N L36853-C9104-M4
C363 Capacitor Capacitor 100N L36853-C9104-M4
C364 Capacitor Capacitor 100N L36853-C9104-M4
C365 Capacitor Capacitor 100N L36853-C9104-M4
C366 Capacitor Capacitor 100N L36853-C9104-M4
C367 Capacitor Capacitor 100N L36853-C9104-M4
C374 Capacitor Capacitor 100N L36853-C9104-M4
C381 Capacitor Capacitor 100N L36853-C9104-M4
C382 Capacitor Capacitor 100N L36853-C9104-M4
C383 Capacitor Capacitor 100N L36853-C9104-M4
C384 Capacitor Capacitor 100N L36853-C9104-M4
C385 Capacitor Capacitor 100N L36853-C9104-M4
C386 Capacitor Capacitor 100N L36853-C9104-M4
C800 Capacitor Capacitor 100N L36853-C9104-M4
C820 Capacitor Capacitor 100N L36853-C9104-M4
C821 Capacitor Capacitor 100N L36853-C9104-M4
C956 Capacitor Capacitor 100N L36853-C9104-M4
C912 Capacitor Capacitor 100N L36853-C9104-M4
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3 List of available level 2,5e parts MC60
ID-No Type Name, Location Part-No.
D171 IC Egold+ V3.1F , V3.1H M42 L36197-F5019-F415
D361 IC ASIC D0950 SALZBURG L36145-J4682-Y43
R959 Resistor Temp_Resistor L36120-F4223-H
V181 Diode Diode_Battery_Interface L36702-A1051
V211 Transistor Tran._Vibra L36830-C1097-D670
V220 Diode Diode_Vibra L36851-Z9105-Z981
V222 Transistor Trans_Light_ L36830-C1112-D670
V361 Transistor Tran._Charge L36830-C1110-D670
V951 Diode Capa_Diode L36840-D61-D670
Z171 Quartz Quarz/Egold L36145-F102-Y10
Z211 Filter Logic/IO_Interface L36197-F5000-F116
Z950 Quartz Oszillator_26MHz L36145-F260-Y17
N881 Filter Ant_Switch_Diplexer L36145-K280-Y258
N882 IC Transceiver IC L36820-L6142-D670
N901 IC Power_Amplifier L36851Z2002A 63
D200 IC Camera ASIC L36820-U6024-D670
D201 IC Camera Interface L36810-B6079-D670
N200 IC Camera Powersupply L36810-C6134-D670
R141 Resistor Resistor 0 Ohm L36852-C X
R160 Resistor Resistor 0 Ohm L36852-C X
R250 Resistor Resistor 0 Ohm L36852-C X
R251 Resistor Resistor 0 Ohm L36852-C X
R214 Resistor Resistor 0 Ohm L36852-C X
R215 Resistor Resistor 0 Ohm L36852-C X
R217 Resistor Resistor 0 Ohm L36852-C X
R294 Resistor Resistor 0 Ohm L36852-C X
R804 Resistor Resistor 0 Ohm L36852-C X
R253 Resistor Resistor 0 Ohm L36852-C X
R201 Resistor Resistor 0 Ohm L36852-C X
R254 Resistor Resistor 0 Ohm L36852-C X
R224 Resistor Resistor 0 Ohm L36852-C X
R255 Resistor Resistor 0 Ohm L36852-C X
R908 Resistor Resistor 0 Ohm L36852-C X
R256 Resistor Resistor 0 Ohm L36852-C X
R257 Resistor Resistor 0 Ohm L36852-C X
R258 Resistor Resistor 0 Ohm L36852-C X
R232 Resistor Resistor 0 Ohm L36852-C X
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R884 Resistor Resistor 0 Ohm L36852-C X
R885 Resistor Resistor 0 Ohm L36852-C X
R259 Resistor Resistor 0 Ohm L36852-C X
R271 Resistor Resistor 0 Ohm L36852-C X
R273 Resistor Resistor 0 Ohm L36852-C X
R274 Resistor Resistor 0 Ohm L36852-C X
R275 Resistor Resistor 0 Ohm L36852-C X
R276 Resistor Resistor 0 Ohm L36852-C X
V151 Diode Diode KB7 L36840-D5062-D670
L361 Diode Cam Sensor L36840-D5062D670
C368 Capacitor Capacitor 2U2 L36377-F6225-M
C369 Capacitor Capacitor 2U2 L36377-F6225-M
C370 Capacitor Capacitor 2U2 L36377-F6225-M
C371 Capacitor Capacitor 2U2 L36377-F6225-M
C373 Capacitor Capacitor 2U2 L36377-F6225-M
C377 Capacitor Capacitor 2U2 L36377-F6225-M
C219 Capacitor Capacitor 2U2 L36377-F6225-M
C847 Capacitor Capacitor 2U2 L36377-F6225-M
C287 Capacitor Capacitor 2U2 L36377-F6225-M
C288 Capacitor Capacitor 2U2 L36377-F6225-M
C289 Capacitor Capacitor 2U2 L36377-F6225-M
C916 Capacitor Capacitor 2U2 L36377-F6225-M
C283 Capacitor Capacitor 1U0 L36377-F6105-K
C284 Capacitor Capacitor 1U0 L36377-F6105-K
C285 Capacitor Capacitor 1U0 L36377-F6105-K
C372 Capacitor Capacitor 1U0 L36377-F6105-K
C286 Capacitor Capacitor 1U0 L36377-F6105-K
C395 Capacitor Capacitor RTC L36392-F1107-M
C165 Capacitor Capacitor 100N L36853-C9104-M4
C200 Capacitor Capacitor 100N L36853-C9104-M4
C201 Capacitor Capacitor 100N L36853-C9104-M4
C202 Capacitor Capacitor 100N L36853-C9104-M4
C203 Capacitor Capacitor 100N L36853-C9104-M4
C204 Capacitor Capacitor 100N L36853-C9104-M4
C207 Capacitor Capacitor 100N L36853-C9104-M4
C209 Capacitor Capacitor 100N L36853-C9104-M4
C220 Capacitor Capacitor 100N L36853-C9104-M4
C230 Capacitor Capacitor 100N L36853-C9104-M4
C231 Capacitor Capacitor 100N L36853-C9104-M4
C232 Capacitor Capacitor 100N L36853-C9104-M4
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C233 Capacitor Capacitor 100N L36853-C9104-M4
C234 Capacitor Capacitor 100N L36853-C9104-M4
C362 Capacitor Capacitor 100N L36853-C9104-M4
C363 Capacitor Capacitor 100N L36853-C9104-M4
C364 Capacitor Capacitor 100N L36853-C9104-M4
C365 Capacitor Capacitor 100N L36853-C9104-M4
C366 Capacitor Capacitor 100N L36853-C9104-M4
C367 Capacitor Capacitor 100N L36853-C9104-M4
C374 Capacitor Capacitor 100N L36853-C9104-M4
C381 Capacitor Capacitor 100N L36853-C9104-M4
C382 Capacitor Capacitor 100N L36853-C9104-M4
C383 Capacitor Capacitor 100N L36853-C9104-M4
C384 Capacitor Capacitor 100N L36853-C9104-M4
C385 Capacitor Capacitor 100N L36853-C9104-M4
C386 Capacitor Capacitor 100N L36853-C9104-M4
C800 Capacitor Capacitor 100N L36853-C9104-M4
C814 Capacitor Capacitor 100N L36853-C9104-M4
C820 Capacitor Capacitor 100N L36853-C9104-M4
C821 Capacitor Capacitor 100N L36853-C9104-M4
C956 Capacitor Capacitor 100N L36853-C9104-M4
C235 Capacitor Capacitor 100N L36853-C9104-M4
C229 Capacitor Capacitor 100N L36853-C9104-M4
C803 Capacitor Capacitor 100N L36853-C9104-M4
C809 Capacitor Capacitor 100N L36853-C9104-M4
C912 Capacitor Capacitor 100N L36853-C9104-M4
N280 IC VReg Display_Backlight L36810-C6098-D670
V191 Diode Diode_Sim Interface L36197-F5014-F98
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4 List of available level 2,5e parts C61
No Type Name, Location Part-No.
D171 IC Egold+ V3.1F , V3.1H M42 L36197-F5019-F415
D361 IC ASIC D0950 SALZBURG L36145-J4682-Y43
R955 Resistor Temp_Resistor L36120-F4223-H
V181 Diode Diode_Battery_Interface L36702-A1051
V211 Transistor Tran._Vibra L36830-C1097-D670
V220 Diode Diode_Vibra L36851-Z9105-Z981
V222 Transistor Trans_Light_ L36830-C1112-D670
V361 Transistor Tran._Charge L36830-C1110-D670
V951 Diode Capa_Diode L36840-D61-D670
Z171 Quartz Quarz/Egold L36145-F102-Y10
Z211 Filter Logic/IO_Interface L36197-F5000-F116
Z950 Quartz Oszillator_26MHz L36145-F260-Y17
N880 Filter Ant_Switch_Diplexer FEM L36145-K280-Y259
N882 IC Transceiver IC L36820-L6142-D670
N901 IC Power_Amplifier L36851-Z2002-A63
R141 Resistor Resistor 0 Ohm L36852-C X
R214 Resistor Resistor 0 Ohm L36852-C X
R215 Resistor Resistor 0 Ohm L36852-C X
R294 Resistor Resistor 0 Ohm L36852-C X
R804 Resistor Resistor 0 Ohm L36852-C X
R884 Resistor Resistor 0 Ohm L36852-C X
R885 Resistor Resistor 0 Ohm L36852-C X
R950 Resistor Resistor 0 Ohm L36852-C X
V151 Diode Diode KB7 L36840-D5062-D670
C368 Capacitor Capacitor 2U2 L36377-F6225-M
C369 Capacitor Capacitor 2U2 L36377-F6225-M
C370 Capacitor Capacitor 2U2 L36377-F6225-M
C371 Capacitor Capacitor 2U2 L36377-F6225-M
C373 Capacitor Capacitor 2U2 L36377-F6225-M
C377 Capacitor Capacitor 2U2 L36377-F6225-M
C847 Capacitor Capacitor 2U2 L36377-F6225-M
C287 Capacitor Capacitor 2U2 L36377-F6225-M
C288 Capacitor Capacitor 2U2 L36377-F6225-M
C289 Capacitor Capacitor 2U2 L36377-F6225-M
C916 Capacitor Capacitor 2U2 L36377-F6225-M
C283 Capacitor Capacitor 1U0 L36377-F6105-K
C284 Capacitor Capacitor 1U0 L36377-F6105-K
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C285 Capacitor Capacitor 1U0 L36377-F6105-K
C372 Capacitor Capacitor 1U0 L36377-F6105-K
C286 Capacitor Capacitor 1U0 L36377-F6105-K
C395 Capacitor Capacitor RTC L36392-F1107-M
C165 Capacitor Capacitor 100N L36853-C9104-M4
C200 Capacitor Capacitor 100N L36853-C9104-M4
C201 Capacitor Capacitor 100N L36853-C9104-M4
C202 Capacitor Capacitor 100N L36853-C9104-M4
C207 Capacitor Capacitor 100N L36853-C9104-M4
C209 Capacitor Capacitor 100N L36853-C9104-M4
C220 Capacitor Capacitor 100N L36853-C9104-M4
C362 Capacitor Capacitor 100N L36853-C9104-M4
C363 Capacitor Capacitor 100N L36853-C9104-M4
C364 Capacitor Capacitor 100N L36853-C9104-M4
C365 Capacitor Capacitor 100N L36853-C9104-M4
C366 Capacitor Capacitor 100N L36853-C9104-M4
C367 Capacitor Capacitor 100N L36853-C9104-M4
C374 Capacitor Capacitor 100N L36853-C9104-M4
C381 Capacitor Capacitor 100N L36853-C9104-M4
C382 Capacitor Capacitor 100N L36853-C9104-M4
C383 Capacitor Capacitor 100N L36853-C9104-M4
C384 Capacitor Capacitor 100N L36853-C9104-M4
C385 Capacitor Capacitor 100N L36853-C9104-M4
C386 Capacitor Capacitor 100N L36853-C9104-M4
C800 Capacitor Capacitor 100N L36853-C9104-M4
C814 Capacitor Capacitor 100N L36853-C9104-M4
C820 Capacitor Capacitor 100N L36853-C9104-M4
C821 Capacitor Capacitor 100N L36853-C9104-M4
C956 Capacitor Capacitor 100N L36853-C9104-M4
C912 Capacitor Capacitor 100N L36853-C9104-M4
N280 IC VReg Display_Backlight L36810-C6098-D670
V191 Diode Diode_Sim Interface L36197-F5014-F98
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5 Required Equipment for Level 2,5e
- GSM-Tester (CMU200 or 4400S incl. Options)
- PC-incl. Monitor, Keyboard and Mouse
- Bootadapter 2000/2002 (L36880-N9241-A200)
- Adapter cable for Bootadapter due to new Lumberg connector (F30032-P226-A1)
- Troubleshooting Frame A60/C60/C61/MC60 (F30032-P307-A1)
- Troubleshooting Frame A62/A65 (F30032-P405-A1)
- Power Supply NGMO1/NGMO2
- Spectrum Analyser
- Active RF-Probe incl. Power Supply
- Oscilloscope incl. Probe
- RF-Connector (N<>SMA(f))
- Power Supply Cables
- Dongle (F30032-P28-A1) if USB-Dongle is used a special driver for NT is required
- BGA Soldering equipment
Reference: Equipment recommendation V1.4
(downloadable from the technical support page)
6 Required Software for Level 2,5e
- Windows NT Version4
- Winsui version1.45 or higher
- Software for GSM-Tester ( Cats(Acterna/Wiltek) or CMU-GO(Rohde&Schwarz) )
- Software for reference oscillator adjustment
- Internet unblocking solution (JPICS)
- Dongle driver for USB-Dongle if used with WIN NT4
V 2.1 Page 13 of 61 Com MD CC GRM T
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7 Radio Part
The radio part realizes the conversion of the GMSK-HF-signals from the antenna to the baseband and vice versa.
In the receiving direction, the signals are split in the I- and Q-component and led to the D/Aconverter of the logic part. In the transmission direction, the GMSK-signal is generated in an
Up Conversion Modulation Phase Locked Loop by modulation of the I- and Q-signals which
were generated in the logic part. After that the signals are amplified in the power amplifier.
Transmitter and Receiver are never active at the same time. Simultaneous receiving in two
bands is impossible. Simultaneous transmission in two bands is impossible, too. However the
monitoring band (monitoring timeslot) in the TDMA-frame can be chosen independently of the
receiving respectively the transmitting band (RX- and TX timeslot of the band).
The RF-part of the A60/A62/A65/C60/MC60 is dimensioned for triple band operation
(EGSM900, GSM1800, GSM1900) supporting GPRS functionality up to multiclass 8. C61 is
dimensioned for dual band operation (GSM850, GSM1900) supporting GPRS functionality up
to multiclass 8.
The RF-circuit consists of the following components:
• Hitachi Bright VE chip set with the following functionality:
o PLL for local oscillator LO1 and LO2 and TxVCO
o Integrated local oscillators LO1, LO2 (without loop filter)
o Integrated TxVCO (without loop filter and core inductors for GSM)
o Direct conversion receiver including LNA, DC-mixer, channel filtering and PGC-
amplifier
o Active part of 26 MHz reference oscillator
• Hitachi LTCC transmitter power amplifier with integrated power control circuitry
• Hitachi Frontend-Module including RX-/TX-switch and EGSM900 / GSM1800 / GSM 1900
receiver SAW-filters for A60/C60/MC60
• Hitachi Frontend-Module including RX-/TX-switch and GSM850 / GSM 1900 receiver
SAW-filters for C61
Quartz and passive circuitry of the 26MHz VCXO reference oscillator.
V 2.1 Page 14 of 61 Com MD CC GRM T
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Copyright 2004© Siemens AG
12/04
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g
7.1 Block diagram RF part
A60/A62/A65/C60/MC60
antenna
matching
FEM
Hitachi
internal
antenna
RF Block Diagram
only MC60
external
antenna
mechanical
antenna
925-960 MHz
switch
1805 - 1880 MHz
1930 - 1990 MHz
2
FEM incl.
SAW &
PIN-diode
switch
PA_RAMP
TXONPA
BATT+
external
Loopfilter
TXON_GSM
RF_SW
Hitachi
PA
Internal power
control using
"current sensing"
Vapc
2
2
AFC_PNM
Varicap
Crystal
26MHz
to Baseband
2
GSM LNA
2
2
PCS LNA
integr. RF VCO
3476 - 3980
MHz
VCXO
26 MHz
26MHz
1800/1900
Integrated
TX-VCOs
PCN LNA
900
frontend
IQ demodulator
IQ demodulator
RF PLL
TX-loop
filter
1
1
26MHz
2
2
PFD
CP
+
1/2
1/2
D
1
R
1
PCN GSM
+
PD
phase
charge
detector
pump
Transceiver IC
Hitachi Bright VE
CP
1/2
IF PLL
+
PFD
26MHz
R
1
D
1
Analouge /
Digital Phase -
frequency
detector
Feedback filter
DC autocalibration
640 - 656 MHz
external
loopfilter
GSM: 80MHz
PCN: 80MHz
DCS: 80MHz
integr.
IF VCO
1/2
1/2
IQ modulator
BATT+
VCC2_8
VCC_SYN
BANDSW
PA_RAMP
State
machine
Serial
Interface
TX_GSM
TX_PCN
TXONPA
RFCLK
RFSTR
RFDATA
26_MHz_BB
26_MHz_BT
TVCXO
AFC_PNM
RF_I
RF_IX
Basebend
1
2
RF_Q
RF_QX
base bandradio part
C61
RF Block Dia
internal
antenna
antenna
matching
FEM
Hitachi
FEM incl.
SAW &
PIN-diode
switch
PA_RAMP
TXONPA
external
Loopfilter
TXON_GSM
RF_SW
BATT+
ram
869-894 MHz
1930 - 1990 MHz
2
PA
Hitachi
Internal power
control using
"current sensing"
Vapc
2
AFC_PNM
Varicap
Crystal
26MHz
to Baseband
2
GSM LNA
2
PCN LNA
2
PCS LNA
integr. RF VCO
VCXO
26 MHz
26MHz
850
1900
Integrated
TX-VCOs
frontend
IQ demodulator
IQ demodulator
RF PLL
TX-loop
1
1
26MHz
filter
2
2
PFD+CP
1/2
1/2
D
1
R
1
PCS GSM
+
PD
phase
charge
detector
pump
Transceiver IC
Hitachi Bright VE
1/2
IF PLL
PFD+CP
26MHz
R
1
D
1
Analouge /
Digital Phase -
frequency
detector
Feedback filter
DC autocalibration
640 - 656 MHz
external
loopfilter
GSM: 80MHz
PCN: 80MHz
DCS: 80MHz
integr.
IF VCO
1/2
1/2
IQ modulator
BATT+
VCC2_8
VCC_SYN
BANDSW
PA_RAMP
State
machine
Serial
Interface
TX_GSM
TX_PCN
TXONPA
RFCLK
RFSTR
RFDATA
26_MHz_BB
26_MHz_BT
TVCXO
AFC_PNM
RF_I
RF_IX
Basebend
1
2
RF_Q
RF_QX
base bandradio part
V 2.1 Page 15 of 61 Com MD CC GRM T
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Company Confidential
Copyright 2004© Siemens AG
12/04
s Com
7.2 Power Supply RF-Part
The voltage regulator for the RF-part is located inside the ASIC D361.(see chapter 5.2).It generates
the required 2,8V “RF-Voltages” named VCC2_8 and VCC_SYN . The voltage regulator is activated
as well as deactivated via SLEEPQ
EGOLD+. The temporary deactivation is used to extend the stand by time.
Circuit diagram
(TDMA-Timer H16) and VCXOEN_UC (Miscellaneous R6) provided by the
VCC2_8
VCC_SYN
7.3 Frequency generation
7.3.1 Synthesizer: The discrete VCXO (26MHz)
The A60/A62/A65/C60/C61/MC60 mobile is using a reference frequency of 26MHz. The generation of
the 26MHz signal is done via a VCXO. This oscillator consists mainly of:
A 26MHz crystal Z950
A capacity diode V951
TP (test point) of the 26MHz signal is the TP 820
The oscillator output signal 26MHz_RF is directly connected to the BRIGHT IC (pin 35) to be used as
reference frequency inside the Bright (PLL). The signal leaves the Bright IC as BB_SIN26M (pin 31)
to be further used from the EGOLD+ (D171
Bright VE
(functional T3)).
VCXO Out
EGOLD In
V 2.1 Page 16 of 61 Com MD CC GRM T
A60/A62/A65/C60/C61/MC60
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Copyright 2004© Siemens AG
12/04
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To compensate frequency drifts (e.g. caused by temperature) the oscillator frequency is controlled by
the (AFC) signal, generated through the internal EGOLD+ (D100
diode V951. Reference for the “EGOLD-PLL” is the base station frequency received via the
Frequency Correction Burst. To compensate a temperature caused frequency drift, the temperaturedepending resistor R955 is placed near the VCXO to measure the temperature. The measurement
result TVCXO is reported to the EGOLD+
The required voltage VCC_SYN is provided by the ASCI D361
Waveform of the AFC_PNM signal from EGOLD+ to Oscillator
(Analog Interface P3) via R138 as the signal TENV.
(functional U5)) PLL via the capacity
Signalform
EGOLD+
1 2 3
AFC
Circuit diagram
to BRIGHT
1
R158
30K 22K
AFC_PNM
C165
GND
100N
2
R954
47K
C956
GND
R953
100N
C955
3
10N
GND
from EGOLD+
V 2.1 Page 17 of 61 Com MD CC GRM T
A60/A62/A65/C60/C61/MC60
Company Confidential
Copyright 2004© Siemens AG
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7.3.2 Synthesizer: LO1
The first local oscillator (LO1) consists of a PLL and VCO inside Bright (N882) and an external
loop filter The first local oscillator is needed to generate frequencies which enable the
transceiver IC to demodulate the receiver signal and to perform the channel selection in the
TX part. To do so, a control voltage for the LO1 is used, gained by a comparator. This control
voltage is a result of the comparison of the divided LO1 and the 26MHz reference Signal. The
division ratio of the dividers is programmed by the EGOLD+, according to the network
channel requirements.
Matrix to calculate the TX and RX frequencies A60/A62/A65/C60/MC60:
Band RX / TX Channels RF frequencies LO1 frequency IF freq.
EGSM 900 Receive: 0..124 935,0 - 959,8 MHz LO1 = 4*RF
EGSM 900 Transmit: 0..124 890,0 - 914,8 MHz LO1 = 4*(RF+IF) 80,0 MHz
EGSM 900 Receive: 975..1023 925,2 - 934,8 MHz LO1 = 4*RF
EGSM 900 Transmit: 975..1023 880,2 - 889,8 MHz LO1 = 4*(RF+IF) 82,0 MHz
GSM 1800 Receive: 512..661 1805,2 - 1835,0 MHz LO1 = 2*RF
GSM 1800 Transmit: 512..661 1710,2 - 1740,0 MHz LO1 = 2*(RF+IF) 80,0 MHz
GSM 1800 Receive: 661..885 1835,0 - 1879,8 MHz LO1 = 2*RF
GSM 1800 Transmit: 661..885 1740,0 - 1784,8 MHz LO1 = 2*(RF+IF) 82,0 MHz
GSM 1900 Receive: 512..810 1930,2 - 1989,8 MHz LO1 = 2*RF
GSM 1900 Transmit: 512..810 1850,2 - 1909,8 MHz LO1 = 2*(RF+IF) 80,0 MHz
LO1 Output
26MHz
V 2.1 Page 18 of 61 Com MD CC GRM T
A60/A62/A65/C60/C61/MC60
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Matrix to calculate the TX and RX frequencies C61:
Band RX / TX Channels RF frequencies LO1 frequency IF freq.
GSM 850 Receive: 128..251 869,2 - 893,8 MHz LO1 = 4*RF
GSM 850 Transmit: 128..251 824,2 - 848,8 MHz LO1 = 4*(RF+IF) 80,0 MHz
GSM 1900 Receive: 512..810 1930,2 - 1989,8 MHz LO1 = 2*RF
GSM 1900 Transmit: 512..810 1850,2 - 1909,8 MHz LO1 = 2*(RF+IF) 80,0 MHz
The required voltage VCC_SYN is provided by the ASIC D361.
7.3.3 Synthesizer: LO2
The second local oscillator (LO2) consists of a PLL and a VCO which are integrated in Bright
and a second order loopfilter which is realized external (R801; C815; C816). Due to the
direct conversion receiver architecture, the LO2 is only used for transmit-operation. The LO2
covers a frequency range of at least 16 MHz (640MHz – 656MHz).
Before the LO2-signal gets to the modulator it is divided by 8. So the resulting TX-IF
frequencies are 80/82 MHz (dependent on the channel and band). The LO2 PLL and powerup of the VCO is controlled via the tree-wire-bus of Bright (EGOLD+ signals RFDATA;
RFCLK; RFSTR). To ensure the frequency stability, the 640MHz VCO signal is compared by
the phase detector of the 2
signal passes the external loop filter and is used to control the 640/656MHz VCO.
The required voltage VCC_SYN is provided by the ASIC D361
Circuit diagram
nd
PLL with the 26Mhz reference signal. The resulting control
Loop-filter LO2
V 2.1 Page 19 of 61 Com MD CC GRM T
A60/A62/A65/C60/C61/MC60
Company Confidential
Copyright 2004© Siemens AG
12/04
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