Motorola T190, T191 Service Manual Block Diagram

ANT 1

CALIBRATION

RF PORT

U72

5

RF ANTENNA

V_SYN

Q700 - 2

6

RX_ON_N

8

U75

4, 7

TX / RX Switch

V_RX

2

11

DIPLEXER

CONTROL

FUNCTION

5

GSMPA

TX_ON_N

VBAT

RAMP

(From Omega)

PC

(Enable)

6

U73

RF Switch

Control

4

925-960MHz

10

GSM_RX

DCS_RX

1

1805-1880MHz

3

DCSPA

DCSPA

GSMPA

PAC IC

U74

1

3

GSM_T/R

V_BR

DCS_T/R

(VCC)

U66

U67

EGSM RX

Low Channel - 975 = 925.2Mhz
Mid Channel - 37 = 942.4Mhz
High Channel - 124 = 959.8Mhz

EGSM TX

Low Channel - 975 = 880.2Mhz
Mid Channel - 37 = 897.4.4Mhz
High Channel - 124 = 914.8Mhz

BS1

U71

PA

12

10

16

CMOS

U86

4

TX_ON

Buffer

+

5

6

14

VBAT

8

Converter

+

GSM TX

(Both Low For RX)

DCS TX

VBAT

8

4

2

BS

(I-Sense Resistor)

TX_GSM

R702

R706 R703

2

1

V to I

Error

Amp

6

R705

(Limits O/P Pwr)

TX_DCS

7

GSM 1800 RX

Low Channel - 512 = 1805.2Mhz
Mid Channel - 700 = 1842.8Mhz
High Channel - 885 = 1879.8Mhz

GSM 1800 TX

Low Channel - 512 = 1710.2Mhz
Mid Channel - 700 = 1747.8Mhz
High Channel - 885 = 1784.8Mhz

5

APC

V_TX

1

10

R616

Attn

U65

TX VCO

8

RF VCO

GSM 900 - 3700.8 Mhz - 3839.2 Mhz
GSM 1800 - 3604.4 Mhz - 3753.6 Mhz

U64

RF BALUN

U63

RF VCO

2

4

3

4

1

1

2

4

5

3

BS1

BS2

V_RX

TX LOOP

FILTER

V_BR

47, 51, 46

4

5

90

1

o

2

Control Logic

9

1

10

90

o

2

1

2

49

50

Phase Det

44

Charge Pump

N

1

2

1

2

DCS

14

EGSM

o

90

1

2

Phase Det

17

Charge Pump

IQ MOD

U61

DUAL-BAND TRANCEIVER IC

13, 15, 23

RF

PSU

(SPI BUS)

N

IF SYNTH

360Mhz

1

DCS

1

EGSM

IF

PSU

2

2

Supports:
VCC for GSM 1800 LNA - 13
VCC for OPLL & Phase detector - 15
VCC for IQ Modulator - 23
VCC for BaseBand - 46
VCC for RF Local Buffer & Divider - 47
VCC for Direct Conversion Mixers - 51

25

26

27

28

41
35
30

DATA

38

CLK

39

40

1

37

V_SYN

Supports:
VCC for IFVCO & Divider
VCC for IF Synth & TCXO Divider (!3Mhz)
VCC for RF Synth & TCXO I/P Buffer (13Mhz)

4

U84

3

2

4

1

3

U85

2

19, 20

R624

21, 22

1

2

R632

3

4 5

13Mhz

8

7

6

VR3
TCXOEN

AFC

TXI
TXQ

RXQN

RXQP

RXIN

RXIP

Dual Band T191

U90

Dual Regulator

VBAT

TCXOEN

V_BR

TX_ON_N

Q700 - 1

V_TX

GSM SERVICE SUPPORT GROUP 01.11.13

LEVEL 3 RF Block Diagram Rev. 1.2

Dual Band Amethyst

Michael Hansen, Ray Collins, Ralf Lorenzen-Scheil Page 1 of 2

RX SIGNAL PATH

TX SIGNAL PATH

MAIN VCO SIGNAL PATH

TUNING VOLTAGES

REFERENCE CLOCK

Orderable Part

Non - Orderable Part

Dual Band T191

IO13ACCIN

VR3

To U84 / U90

From Omega

To RF Side

To / From Omega

From U61

To Omega

J3

Audio

Jack

TCXOEN

ON_OFF

RX_ON

TX_ON

DCS_T/R

GSM_T/R

BS2

PC

BS1

LE

Test Points 1 to 8

S_IO

S_RST

S_CLK

NRESET

13Mhz

13MOUT

VCLKRX

VDX
VDR

VFSRX

RST, CLK, DI, DO

Hercules / Omega Control SPI BUS

RTC BATTERY

U4A

From VBATBB

(RX Downlink)

RXDO

I03DATA_HP_SEL

U8

VR2B_SW

U10

TXDO

(TX Downlink)

X2

MIC

SPKR

VR1B

VR2B

AFC

To U85

RAMP

To U74

LS1

VR2

VR1
VR3

E11

D6

C6
E6
E9

ACT

B11
D11

B12
B13
H10

JTAG

J13

K14

SIM

J14
G3
G14

TIMER

H14

G11

VOICEBAND

H12
H13

Interface

H11

DAI

Digt. Aud. Int.

Radio

Int.

F12, F13, F14, G13

K3

VCC1

D2

VCC2

G3

VCC3

C1

D1

E1
H1

H10

F8
F9

H7
J8

U14

K8
H8

H9

J9

HWID

HERCULES U1

POWER

ARM 7

DSP

BDR / BDX / BFSX / BFSR

BACKUP

VR1B - 2.0V
VR2B - 2.0V

VR2 - 2.9V
VR1 - 1.8V
VR3 - 2.9V

SPI

AFC
APC

VOICE

UPLINK

VOICE

DOWNLINK

ADC

Analog/Digital

Converter

B5A5D6

E6

TR1

IIC
Inter IC
Cntl.

2M RAM

MEM

I/FACE

G5H5J5

BASEBAND SERIAL

K5

PORT

OMEGA U3

IBIC
BUS

CNTL

VRPC
Volt. Reg. and
Power up Ctnl.

F6

D7

B10

D10

TBAT
BATID

RTC

PWT
PWL

UART

GPIO

SPI

X1

E10

A11

C2
B1
D2

D3

F4

C4

K11

IO0VIBRATOR

J1

J3
M6
A7

NRAMCS

P7

NBLE

K8

NBHE

K7

RNW

N8

NFOE

L8

NROMCS1

P6

FDP

M9

DATA BUS

BASEBAND
UPLINK

BASEBAND
DOWNLINK

TSP

Battery

Charger. Int

USP

Micro Proc.

Ser. Port

SIM I/Face

3V / 5V
LEVEL

SHIFTERS

NRESET
RTCINT
ON_OFF

RTCINT

BU b
BL

TXDO

(To Headset Jack)

RXDO
SCL
SDA

NRSTOUT

IO1BATID_DET
IO3DATA_HP_SEL

IO13ACCIN

ADD BUS

ROW4

DATA

(To From U61)

CLK

C9

C10

D8
D9

E7

E8
E9

E10

ICTL

E3
E5

E4

H6
K7
G7

G6

B2
B3
C4

CLK

B4

RST

B5
D4

A2

VSIM

(To Hercules)

(To Power Switch - S19)

PWON

c

BQ3

e

B5

U6

A1

SRAM

B2

1Mbit

G5

A2

U6

B3
D8

U5

D7

FLASH

B4

MEMORY

32Mbit

U5

COL 0 - COL 4

ROW 0 - ROW 3

TXI
TXI

To U61

TXQ

TXQ

RXI
RXI

From U61

RXQ
RXQ

13MOUT

VCLKRX
VDX
VFSRX
VDR

S_IO
S_RST
S_CLK

1

SIM CONTACTS

3

I/O

2
4

U13

ALERT

b

VIBRATOR

DATA BUS

ADD BUS

VR2

VR2

VBAT

VCHG

To / From Hercules

To / From Hercules

U2

BQ4

M1

VBAT

e

c

BL

VBAT

U18

G1

BATTERY

CONNECTOR

JP1

PWON

U15

b

U7

C48

S1

D1

1

2
3
4

(To Hercules)

ROW4

IO1BATID_DET

J2

LCD Connector

N/C
N/C

1
2
3
4
5
6
7
8
9
10

KEYPAD MATRIX

VBATBB

S1

U17

D1

LCD

Backlights

Keypad

Backlights

F1

U17

G2

R62

S2

D2

D1

J1

POWER JACK

1

3 4

2

(Decides if unit is for

VR3

G1

R65

VBATBB

(To Omega)

HWID

(To Omega)

R77

EMEA or ASIA)

S1

U16

D1

Normal Charge

Trigger Charge (Phase 1 - Charging)

Trigger Charge (Phase 2 - Complete)
Over Voltage Mode

COL 0 - COL 4

ROW 0 - ROW 3

c

e

S2

U18

G2

D2

e

b

BQ2

c

(To Omega)

VCHG

G1

VLCD

C34

GND
GND

SCL

SDA

NRSTOUT

VR2

VR2

RX SIGNAL PATH

TX SIGNAL PATH

MAIN VCO SIGNAL PATH

TUNING VOLTAGES

REFERENCE CLOCK

Orderable Part

Non - Orderable Part

GSM SERVICE SUPPORT GROUP 01.11.13

S19

LEVEL 3 AL Block Diagram Rev. 1.2

Dual Band Amethyst

Michael Hansen, Ray Collins, Ralf Lorenzen-Scheil Page 2 of 2