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moto_c350.rar > BL_C350_8486660P03_A3_C_L3_V1.pdf

REVISIONS
G SM SERVICE SUPPORT GROUP
Level 3 Board Layout
Dual Band C350 Colour 900/1800MHz
Alexander Bühler, Michael Hansen

2003.11.24
8486660P03
V1.0
Page 1 of 2

REVISIONS
G SM SERVICE SUPPORT GROUP
Level 3 Board Layout
Dual Band C350 Colour 900/1800MHz
Ralf Lorenzen-Scheil, Michael Hansen

2003.11.24
8486660P03
V1.0
Page 2 of 2


moto_c350.rar > BD_BlDi_C350 Color_A3_C_L3_1[1].0_021206150856.pdf

( 26MHz for RC tuning)

TRK_CLK

RFDET_FLAG
(RF Saturation detect)

NEPTUNE

35

C5

Tracking Osc.

Low Band
26

RF Det.

IF Amp.

AAF

26

2 Pole Filter

High Band

CM_IN

BB
Out

RX_QX

29

42

3.4 - 3.7 GHz
1710 - 1785 MHz

RX_CP
from VM_REG VM_REG_FIL
SYNTH_FD_P
SYNTH_FB_N
TX_CP

B1

880 - 915 MHz

TX
Loop
Filter

4
Super Filter
Generator
2,45V
7, 8, 10, 11, 37, 43, 48

38

32
33
31 34

SPI

Y901

RF_CS
RF_DATA
RF_CLK

1

TX VCO FRQ. RANGE
850: 824 - 850Mhz
GSM:890 - 915 MHz
EGSM: 880 - 915MHz
DCS: 1710 - 1785MHz
PCS: 1850 - 1910MHz

3
4

6
High Band
1800/ 1900 MHz

Dual Saw Filter
1
2

9

RX_ANT_EN

B+

Low Band
850/ 900MHz

EXC_EN

EXC_EN

GMSK Mod &
Mod DAC
(TX)

HP-Filter

Display
L1 Timer
MQSPI

37

2

39

25

ATHENA

C350 Remov. Battery

1

2

3

16,34

Timer
Interface

A14 D12 B14
C13 B13 A13

GSMB_DCS

8,28,33

CMOS
PA Bias
Circuit

LP
RF_OUT_GSM

TX_EN

C3

Y900
4

1

1

2

WDOGB

12
11

9

RF_REG

F2

PA_REF
PA_DET

D5

H4

13
VM_REG

CHRG_TYP
TEMP
PC12

1+2

E2
F1
A2
D1
E1
G1

Charger
Interface

IO_2,65V

7

16
14
9

USB 10
Interface 8
1
IC

3
4
2
11
12
5

SOFTCON
USB_VCC
USB_DNEG
USB_DPOS
USBDET
USB_TXENB
USB_VPIN
USB_VMIN
USB_XRXD
USB_VPOUT
USB_VMOUT
USB_SUSPEND

R901
R905

IO_2,65V

J900 EXT_B+

ON
OFF
H P-MOS

F100
Fuse

R914
E PNP

Q901

Q962

Charger
Jack

Accesory
Connector

1
2
3

USB_VCC
USB_DNEG
USB_DPOS

U960 H L

HL

Q903
Q960

VIN 6,7,15,16
VDETECT 13

C
NPN B

CNTRL

(Drive)

Sense

S
S
Safety
Shunt G

8 Charge

M3

Control

D

E
9-12

LL
HH

Q961
N-MOS

Overvoltage
Protection
Circuit

GND

U920

(Charge and Protection)

C

B

LH

S800_COM

DIAMONDHEAD

(Charge)
Pass Transistor

G3

F5

Normal Charger
Operation
Threshold
Overvoltage
Level 4,45V
Operation

M5 D

Current
Sense

G

M4
G

24-26

Control
Logic

Reset

A2
Alert
Amplifier

20+21

Undervoltage
& Short
Circuit
Protect.
I/O
Logic
Charge
Control

22
28
3
4
19
5
18
17

TP_BATT_DETB
EXT_PWR_ON
CHRG_STATE
CHRG_DETB

Reference Reg.

DISABLE
PC12 (CHEMISTRY)
DH2_HIB_DISB
SC1A (HIB_EN)

Digital Reg.

Battery
Conn.

I/O Regulator

U900

SEAWEED
1

2

IO2.65V
LED2
LED1
GND

96 x 64
Colour Graphic
Display
Module

U400
B+

SPI_CS2

U902

SPKP
SPKN

J8
J9

LED1
6
LED2
12 White 7
LED 8 LED3
Driver
LED4
9
3

Backlight

ALTN

F9
E9

ALTP

J931
Speaker

J910
Midi Speak.
Connector

Alert

MIC

HED_MIC

SIM_EN

D8, E7-8, F7-8

RF Regulator

3

2
5
3
1
4

RESETB
HEAD_INT

C1

J4

SIM Regulator

ATH_B+

J2002

Microphone
Amplifier

VAG Regulator

M100

WDOGB
RESETB

P10
N10

J4
Aux.
Microphone
Amplifier
C8

D6 AD2 Mux

B+

D

K2
K1
J5
J6
F10
J4
F5
C12
C11
R7
E12

E1,G6
A4,G4,A5
B4
U701
C5
Flash
C4
64 Mbit
E7
F8
Software
B5
EE Prom
D3

F4

Vibrator Reg.

S

D0-15

VCCQ
DIG_1,875
BURSTCLK
R_WB
LBAB
CS0B
OEB
RESETB
Display
ECBB
Connector

C2

Audio Reg.

R913

LH

J600

C3

A1
Speaker
Amplifier

E6

RT900

CHRG_SW
CHRG_TYP

A1-23

A6,E1,D6
A2
U705
A1
B5
SRAM
G5
4 Mbit
A2

BURSTCLK
LBAB
CS0B
J2001
ECBB
RESETB
4
LCD_CS
5
LCD_RS
3
LCD_CLK
2
SDATA_LCD_DATA171
5
SC1A
SIM_EN
LOW_BATT_B
PC12
USB_DET
RFDET_FLAG
SOFTCON

C4

B+ Sense

U600

Reset

Mux.

SPI

DISABLE
EXT_PWR_ON
LOW_BATT_B
CHRG_DETB
CHRG_STATE
CHRG_SW

D1

C1

E6 E4

GPIO

Power Detector VCC
PACII IC

Matching and
Combiner Network

R9

T
i
m
e
r

RX_ANT_EN
EXC_EN

27
29

B2

PWR_SW

Switch
Control
Circuit

E3 E1

A1 32kHz RTC
Osc.
B1

32,768 kHz

3

E2

AOC_DRIVE

10

LP

18

Audio
Codec
AD / DA

USB
Interface

VCCQ
EB1_B
EB0_B
CS1B
R_WB
OEB

D13
G12
R15
G5
P14
L15
H13
P15
H12

MQSPI

USB_TXENB
USB_VPIN
USB_VMIN
USB_XRXD
USB_VPOUT
USB_VMOUT
USB_SUSPEND

RF_OUT_DCS

Interface

GPIO

J100
Antenna
Switch

External
Memory

PA Control
(PAC)

A9
A10
M5
P6
P7
M7

CLK_32K

23

U300

MCU
Memory

Clock Generator

B+

30

31

3 NC
4 SIM
GND
6 Connector 2
1.8 or 3V
SIM_VCC
5 SIM Card 1

ADDRESS BUS
DATA BUS

MCU
ARM7
52 MHz

SPI

A15

Internal
Antenna

J800

SIM_DIO
SIM_RST
SIM_CLK

H7

PWR_SW

Prescaler

26 MHz
EXTAL B3 Oscillator

PA_DET

S513
PWR/END

KBC0, KBC1

Shared Memory
1Mbit RAM

Phase
Detect

XTAL A3

GSMB_DCS
TX_EN

TX VCO MID CHANNELS
850: CH 190 - 836,6
GSM: CH 62 - 902,4MHz
EGSM: CH 37 - 897,4Mhz
DCS: CH 700 - 1747,8MHz
PCS: CH 661 - 1880 MHz

Interface

3

RF_REG

TX_OUT_HI

FL130

J7
H6

P8, L8, N7

IO_2,65V

FL300

G1-G4
F2+ F4

SIM

DSP
Memory

DSP
UltraLite
104 MHz

Synthesizer

TX
CP

D7
26 MHz 3

PA_REF

TX_OUT_LO

RX
Charge
Pump

A5

44

36

EXC_EN

C6
A1
D4
B5

41

Synth F/B 720 - 915 MHz

4

TX VCO

2

RX
Loop
Filter

DMA
Direct
Memory
Access
Controller

Digital Channal
Filters
Digital
If Mixer
and LO

Dual ADC
D8
Analog / Digital
A7
Converter
A8

RF_REG
47

RX VCO
5

39

(decoupling analog GND)
RX_Q

28

100kHz

RF Det.

3.6 - 3.9 GHz

B8

Synergy-Lite
Kepad / On board

KBR0, KBR1
KBR4- KBR7

DAC_N

PMA

(Post Mixer Amplifier)

High Band
AGC

L ow Band

LP Filter

RX_IX

DAC_P

4
2

1800/ 1900 MHz

14

BB
Out

C8

Keypad
Port

ADC_N

AGC
Balanced
Matches

DSP Peripherals
accelerator, encryption
Timer, Interupts

N

ADC_P

19
20
13

RX_I

27

100kHz

AUD_2,65

850/ 900MHz

U800

VAG_CODEC

L & H
Band

SPI_CS2

U150

RTC_G RP

ALGAE

Tracking
Control

STANDBY_TODAI

RX MID CHANNELS
850: CH190 -- 881,6
GSM: CH 62 -- 947,4 MHz
EGSM: CH 37 -- 942,4Mhz
DCS: CH 700 -- 1842,8MHz
PCS: CH 661 -- 1960MHz

V. Multiplier

A8
C934

A5 A6

C907

G6
J7
G8
B9
D9
C9
A9
A8
A3

B+
1,325 - 100uA
2,75V- 150mA
1,3V- 200mA
1,85/ 2,85V- 20mA
2,75V- 200mA
1,575V- 100uA
1,875V- 200mA
2,75V- 200mA
4,7V- 5mA

VAG_CODEC
AUD_2,65 (Aud. analog funct. of Neptune & Seaweed)
VIB_OUT

Vibrator

M900
SIM_VCC (SIM Card)
RF_REG (Synthes., SF reg., RF & AL funct.of Algae)
RTC_GRP (RTC)
DIG_1,875 (Neptune cores, logic & memory)
IO_2,65 (to VM, NeptuneI/O, Ser- Flash, Displ.)
VM_REG (to Syn. Chargep., Switch control)

A4
C908

GSM SERVICE SUPPORT GROUP
LEVEL 3 AL Block Diagram

06.12.02
Rev. 1.

Dual Band C350
Michael Hansen, Ralf Lorenzen,

Page 1of 1


moto_c350.rar > SF_C350_9-18_P2[1].1_A3_BW_L3_V1.0.pdf

TRK_CLK

RF_CS

IRQ

CKO

SPI_CS3

J2002
LCD Driver
5

LED2

4

GND

3

LED1

2

IO_2,65V

1

TP_ANT1

GND

TRST

TDI

STANDBY_TODAI

WDOGB

IO_2,65V

CLK_32K

TPIOREG

TPWDOGB

J2 002
LCD Driver

EXT_PWR_ON

TP5019

TP5036

TP5002

TP5006

TP5005

TP5011

TP5026
TP5031
TP_SJC_MOD
TP5045

TP5047

TP5035
TP5016

TP5008

TP5007

J2001
LCD Driver
TP5038

5

C

B

LCD_CS

4

RESETB

3

LCD_RS

2

LCD_CLK

1 SDATA_LCD_DATA

TP_BATT
_2_BOT

A

DNP_J930
MIC CON.

J20 01
LCD Driver

DNP_U901

Dual Band C350 Colour 900/1800MHz P2_1

SPEAKER CONTACT

TP5042

PWR_SW_BOT

GROUND

TP961

PC12

SDATA_LCD_DATA

PROTECTION Cct.

TCK

TMS

TDO

GND

A
B
C

TX MIC LINE
RX SPEAKER LINE (SPK1)
RX SPEAKER LINE (SPK2)

REVISIONS
GSM SERVICE SUPPORT GROUP

2003.03.17

Level 3 Signal Flow

R ev. 1.0

D ual B an d C 350 Colou r 900/1800M H z
R alf L oren zen-S ch eil, M ichael H an sen

P 2_1
P age 1 of 2

CS0B

PROTECTION Cct.

CS1B

EXT_PWR_ON

RTC_GRP

B+

PWR_SW_TOP
TP_BATT_2_TOP

DNP_J910

TP960

SH200

SH400

TP5043

Midi Spkr. Conn.

M100
BATT CONTAC

U920
Diamondhead

J931

SH300
M 90 0

U701
39

U705

S H 100

37

Flash

SRAM

Vibrator

HS Jack

U600
A

USB
Interf.

J900
Charger Jack

U300
48 47

Athena

44

39 38 37
36

1

35

T P5015

Neptune

30

TP 5012

H4
G3

29

F9

F5

F4

28
B8

A8

C8

SIM_GND

E9

NC

C3
C5
A3 B3

U900

C3

Seaweed

Y901

A1

FL130

Dual SAW B
Filter

B1

C2
C1

A1

J 80 0

A D C _P

DAC_ P

D7

ADC_ N

A7

25
24

19 20

D A C _N

12
13 14

SIM_VCC

SIM Con n.

27
23
18

26MHz

Dual Band C350 Colour 900/1800MHz P2_1

Algae

TP5020

J3
H5

T P5013

U150

25

J8

TP 5014

J9

U800

SIM_RST

J600
Accessory Conn.

SIM_CLK

SIM_DIO

E2
D1

Y900

32,768kHz

C

EXC_EN

GSMB_DCS

TX_EN

RX_ANT_EN

AOC_DRIVE

RF_REG

DIG_1.875V

VM_REG

AUD_2.65V

SCKA

SRDA

A
B
C

STDA

SC2A

TX MIC LINE
RX SPEAKER LINE (SPK1)
RX SPEAKER LINE (SPK2)

REVISIONS
GSM SERVICE SUPPORT GROUP

2003.03.17

Level 3 Signal Flow

R ev. 1.0

D ual B an d C 350 Colou r 900/1800M H z
R alf L oren zen-S ch eil, M ichael H an sen

P 2_1
P age 2 of 2


moto_c350.rar > SchFull_C350_US_EURO_P2[1].1_A2_C_L3_V1.0.pdf

CKO

TP5016

STANDBY_TODAI
EXT_PWR_ON
RF_CS
SPI_CS3

TP5019
TP5020
TP5026
TP5031
TP5035
TP5042
TP5043

TP5005
TP5006

LCD_CS

TP5007

TCK

TP5008
TP5011

A10

J2001

A11

PC12

LCD_CLK
SDATA_LCD_DATA171
TOUT5
TX_EN
TOUT8
TOUT9
EXC_EN
RX_ANT_EN
STANDBY_TODAI
RX_EN

LCD_RS

TP5045

TRK_CLK

RESETB

TP5047

LCD_CLK
SDATA_LCD_DATA171

ANTENNA_PAD

IO_2,65V

LCD_DATA5
LCD_DATA7
TOUT5
TOUT7
TOUT8
TOUT9
TOUT10
TOUT11
STANDBY
RX_EN_OUT

SIM_VCC
SIM_VCC

J800
SIM Contact

XTAL

J100

LED1

Y901

EXTAL

26MHz

LED2

SIM_RST

TMS

LCD Driver
J2000

SIM_DIO
SIM_CLK

TDI

TP5012
TP5013
TP5014
TP5015

TP5002

TDO

STDA
SRDA
SCKA
SC2A

SDATA_LCD_DATA171
IRQ
CS1B

TRST

KBR4
KBR1
KBR0
KBC1
KBC0
L C D _R S
L C D _C S
L C D _C L K
SDATA_LCD_DATA171
SIM_EN

SIM_GND

KBR5
A O C _S Y N C
STANDBY_TODAI
I O _ 2 ,6 5 V

RX_EN

MOD
RF_CS
RF_DATA
RF_CLK
XTAL
EXTA L
C L K _32K
KBR7
KBR6

RF_REG

SIM
SIM_GND

VCCQ
DIG_1,875V

RX_DCS

U800
Neptune

VM_REG_FIL

OE B
R _W B
BURSTCLK

ECBB
SYNTH_FB_P
SYNTH_FB_N

LBAB
BURSTCLK

AOC_DRIVE
PA_REF
PA_DET
LOW_BATT_B

TX_MOD

VCCQ

VCCQ

OEB
R_WB

EB1B
EB0B

RX_CP

CM_IN

DIG_1,875V

VCCQ
LBAB
ECBB

EB0B
EB1B
CS1B

U705

U701

A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19

CKO

TX_CP

VM_REG

ALGAE
RF_IN_GSM

SF_REG_OUT

V M_REG_FIL

RF_IN_DCS

EXC_EN

CM_IN

A O C_ Dr i v e

I O _ 2 ,6 5 V
RF_CS
RF_DATA
RF_CLK

GSMB_DCS

U300

MCU_DEB
DSP_DEB

WDOGB
USB_TXENB
USB_VPIN
USB_VMIN
USB_XRXD
USB_VPOUT
USB_VMOUT
USB_SUSPEND

PA_DET

RX_ANT_EN

TX_OUT_HI

TP_SJC_MOD
SJC_MOD
RESETB

TX_OUT_HI
TX_OUT_LO

PA_REF
EXC_EN

RTCK

SYNTH_FB_N

RX_GSM

TDI
TDO
TRST
TMS
TCK

A D D R E S S ( 23: 1 )

U150
Algae

RE S E T B

SF_REG_OUT

FL130

SC0A
SRDA
SC1A
STDA
SCKA
USB_DET
RFDET_FLAG
SC2A
IRQ
INTO
RX_ANT_EN
EXC_EN
TOUT9
TOUT8
TX_EN
GSMB_DCS
TOUT5
RX_EN

SPI_CS0
SPI_CS1
SPI_CS2

CS 0 B

SYNTH_FB_P

A23
A22
A21
A20
A19
A18
A17

CS1B
PC12
SOFTCON

A20
A0

FL300

RF_REG

A1
A2
A3
A4
A5
A6
A7
A8
A9
A 10
A11
A 12
A 13
A 14
A 15
A 16

ATH_B+

TX_EN

SEAW EED_SPI(3:0)

ATH_B+

V M_REG

SPI_CS3
MISOA
MOSIA
SPI_CLK

D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D 10
D11
D 12
D 13
D 14
D 15

TX_OUT_LO
TRK_CLK

ATHENA MODULE

DATA(15:0)
KBC0

USB_DNEG

J600

USB_DPOS

B+

Q962

U920
Diamondhead 2
IC

VM_REG

U900
Seaweed

RF_REG

Q960

EXT_B+

ATH_B+

ATH_B+

S 51 6
S523
S 517

GROUND

B+

CHRG_DETB
CHRG_STATE
CHRG_SW

PWR_SW_BOT
PWR_SW_TOP

U901
Speaker

B+

PWR_SW

PWR/END

AUD_2,65V

EXT_PWR_ON

KEYPAD

B+

CHRG_STATE
CHRG_DETB
VIN

PC12

Q903

TP_BATT_DETB

J910

ALTN

CHRG_TYP

EXT_PWR_ON
TP5038
VIN
CHRG_SW
CHRG_TYP

S 52 2

KBR7
HEAD_INT

U902

CHARGER CKT

Soft LT

DISABLE

Q960
Q961

KBR6

J930
MIC VR904

S 50 8

J900

3

S 52 0

VIN

Q901
PC12

S 514

J931

C L K _32K
TP5036

I O _ 2 ,6 5 V

V R 960

TP961

TP960

U960

S511

MENU

KBR5

VR944
VR961
ATH_B+

S518

S505
S 509
KBR4

IO_2,65V

D945
EXT_B+

S 512

S 506
RTC_GRP
DIG_1,875V

B+

B+

SIM_VCC

S513

VDETECT

IO_2,65V

S519

USB_VCC

#

8

9
*

S 51 0

LOW _BATT_B

D945

0
IO_2,65V

H E A D _I N T

32,768kHz

DIG_1,875V

VR888

ADC_DATA

B+

Y900

SEND

KBR1

A O C _S Y N C

USB_DNEG

DOWN

LEFT

UP

Soft RT

7

V CCD

TPIOREG

USB_DPOS

KBR0

ADC_N
ADC_P
DAC_N
DAC_P

TPWDOGB

I RQ
R ESE TB
STA NDBY_TODAI

ATH_B+

M100
Battery Contact

I O _ 2 ,6 5 V

TP_BATT_2_TOP

BATTERY
TP_BATT_DETB

5

WDOGB
TP_BATT_2_BOT

USB_VPIN
USB_VMIN

ALTP

B+
IO_2,65V

VR902
BL_SINK
PWR_SW

VDETECT

RT900
TP_TEMP

M900
Vibrator

SIM_EN
SIM_VCC
RTC_GRP
VAG_CODEC

B+

DISPLAY LED'
s

SEAWEED

DS502

LED2

D S 507

BL_SINK

LED1

D S 505

U400

D S 504

Du al Ban d C350 Colou r 900/1800 or 850/ 1900 MHz P2_1

USB_TXENB
USB_VPOUT
USB_VMOUT
USB_SUSPEND
SOFTCON

ACCESSORY
CONN/XCVR

RIGHT

4

S 515

KBC1

IO_2,65V

Charger
Jack

6

1

S 504

AUD_2,65V

S 501

2

VAG_CODEC

S 503

BB_I
BB_IX
BB_Q
BB_QX

S 50 2

USB_XRXD

U S B _V C C

U600

USB_DET

REVISIONS
GSM SERVICE SUPPORT GROUP

2003.02.12

Level 3 Schematics

Rev. 1.0

Dual Band C350 Colour 900/1800MHz
Ralf Lorenzen-Scheil, Michael Hansen

P2_1
Page 1 of 1


moto_c350.rar > DG_C33x_A4_C_L3_V1[1].0.pdf

C33x TA02
Debug guide level 3

DEBUG GUIDE
LEVEL 3
C33x

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

1

C33x TA02
Debug guide level 3

Indice:
No power up -------------------------------------------------------- pag. 3 and 4
No Tx ---------------------------------------------------------------- pag. 5
No Rx DCS --------------------------------------------------------- pag. 6
No Rx GSM --------------------------------------------------------- pag. 7

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

2

C33x TA02
Debug guide level 3

NO
POWER UP
Connect the phone with battery
from USB port to Radiocomm,
switch on the phone.
Is the phone switch on?

YES

END

NO

Disassembly the mobile
and see the keypad, ?is
it dirty or bad
positioned?

YES

Replace
keypad

NO

See the battery
connector S800,
is it dirty or bad
soldering?

YES

Replace
S800

NO

Measure in this points:
DIG_1.875= 1.8v in C933
I/O 2.65= 2.6v in C921
Is it ok?

YES

Go to
"A"
in pag.4

NO
Replace
U900
Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

3

C33x TA02
Debug guide level 3

NO
POWER UP

"A"

Measure in
CS0B,
Is there the signal of
FLASH´s dates signal?

NO

Replace
U701

YES

Measure in
CS1B,
Is there the of SRAM´s dates
signal?

NO

Replace
U705

NO

Replace
Y901

YES

Measure in
Y901,
Is there the clock's signal
26MHz?

YES

Replace
PCB

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

4

C33x TA02
Debug guide level 3

Connect the phone, with
external supply, from USB
port to Radiocomm, switch on
the phone and put it to
transmit.

Measure in R152,
Is there the TX_CP signal?

NO TX

NO

Replace
U800

YES

Measure in FL300,
Is there the TX signal?

NO

Replace
U150

YES

Measure in J100,
Is there the TX signal?

YES

Replace
PCB

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

NO

Measure in
VM_REG, is
there the 4.7v?

YES
Replace
U300

NO

Replace
U900

5

C33x TA02
Debug guide level 3

Connect the phone, with external supply,
from USB port to Radiocomm, switch on
the phone and put it received. Inject a
signal (-50 dBm) to external connector
(J100).

Is there the same signal
generator in the pad 6 of
FL130?

NO

NO RX
DCS

Measure in
VM_REG, is
there the 4.7v?

Replace
U300

YES

NO
YES
Replace
FL130

Is there is the same signal
generator in the pad 3 of
FL130?

NO

Replace
FL130

YES

Replace
U150

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

6

C33x TA02
Debug guide level 3

Connect the phone, with external supply,
from USB port to Radiocomm, switch on
the phone and put it received. Inject a
signal (-50 dBm) to external connector
(J100).

Is there is the same signal
generator in the pad 9 of
FL130?

NO

NO RX
GSM

Measure in
VM_REG, there
is the 4.7v?

Replace
U300

YES

NO
YES
Replace
FL130

Is there is the same signal
generator in the pad 1 of
FL130?

NO

Replace
FL130

YES

Replace
U150

Prepared by: Juan A. Ortiz / 07-03-03
Approved by: Luis Alberto Lázaro

7