signal_flow.pdf

Motorola A920: grzeje sie, nie laduje, brak zasiegu

odpowiedzi na Twoje pytanie uzyskasz ogladajac ten schemat sygnalow na plycie A920 :| Cena z wymiana okolo 130-150 zl. Ukladu raczej ... nie kupisz. Jesli jakis serwis juz to ma to raczej trzyma dla siebie poniewaz sa odzyskiwane tylko z uszkodzonych telefonow.


VRF_RX_2.775V VCAM_3V VHVIO_2.775V CAM_SUSPEND IRDA_SHUTDWN VMAIN_1_55V 26MHz REF_FREQ SF_OUT RX_VCO_OUT RX_I+ CLK_32_768K VLIFE RX_I- 24.5535MHZ

VOMAP_1_6V

RX_Q- RX_Q+ GPS_RF_IN PCS_RX

RX_VTUNE DCS_RX

EAR_SPKR+
EAR_SPKRC7643

R6059

R6060

E6062

C6059

C6061

R912

R902

Q901
Q902

L703

C700

C711

R807

C708

U6051

L6050

R005

Q906

R901

C908
R904

C003
C006
C008

C007

FL001

J001

C004

L825

C609

C902

C505

FL020
R814

C701

R903

C813

C805

L831

C030
VR800

U800

GSM PA

C803

L832

C005

C804
C802

FL030

M001
WB_TX

R701

R700

U710

FL6055

R5300

D5300

C010

C800

C707

GSM
TX VCO
C712

L6053

M6050

C651

R504

R816

C812

C903

C602

C631

C603

C606
C605

R611

C604

C632

L610

R612

C610
C830
C810
L810

L821

R900

C6084

C6067

C706

U700

R704

R705

C5576

C801

C713

T650

C909

M5700

C5700

A5600

Q700

C650

U908

C6082
C6083

C6052

Q6050
L6080

C6051

C6063

C6080

FL6050

L6051

C6056

C6065

C6053

C6070

C6057

Q6075
C6007

C6055

C808

R703

L5602
C5607

C710

C701

C702

C703

C5651

C5621

FL5601

C705

T660

C660

R822

C832

L710

C5501

C5507

L701
VR5500

L5604

Q5600

R5502

C5506

C704

R577

U7608

U810

R812

R813
R815

E978

U7607

C511

E975

C545

C543
R536

C525

R537

R615
R503

T670

C670

R810

U510

C534

Y500

FL510

E977

C607

C516
C521
C520
TP501

C671
TP601

C661

C503

AUDIN
LOUDSPKR-

LOUDSPKR+

C6058

C6010

C6002

E6006
C6000

C538

C537

C522

C506

C507

C523

C535

VS5401
R5624
C1033

C5615
C5650
C2618

C5649
L5501
C5605

C544

C540

FL500

R576

C5620

L5600

C546

C600

U600
LIFE
C504

C608

C806

R1104

R5606

C514

TP1301

C5610

C5623

C5600

C5612

R5604

C5611

C5508

TP1302

C5622

Bluetooth
R5605

C5604

R5613
R5675

C4203

R5603

R5052

R5519

Q3967
C3960

C4390

OPEN

C1010

R5608

C5617

U5600

R6005

R6006

R6008

R6007

R3221
C3228

R5503

C5508

R5504

R3203

C5503

C6001

R3553

R6000
R3222

C3227

C7635

R7611
C5404

VS5400

C5403

J5400
C5613

C2614

C5818

R5671

E6061 C6050

U7605
C7631

C7616
R7644

C3402

C5402

R5623

R6063

R610

C517

C527

R5401

U5623

C6069

U630

C528
C542

C5671

C524
C510

MAGIC LV

C526

VS5402

R3961

GPS_ANT

SiRF
GRF2e

Y6050

Q510
R511
R3251
TP502 R508
C508

U500

TP504

C5670

R5301

E528

R526

C3962
Q3966

C4355

C4002

C4200

R4200
R4397

R4395
R4393

C560

C539

R554

C5401

R5607

R4550

C5624

C5407

E3153

R5050

C536

R556

R3010

Q3964

C6060

C910

C3967

C3966

R5482

R3994

R5481
C4550

R5480

C5050

C3151

C4202

R4201
C4402
R4400

R4398

C4000
C4400

C4110

C4501

C4500

C4503

C4394

R7646

Q3403

E3916 C4213

C3961

R3997

R5483

CR3961

C6066

A1

GSM_EXC_EN

VRF_HV_5V

C6009

C6064

U6050

N_BAND_1

HS_SPKR_R

C3400

R5485

Q3960

Q3963

J4200
HS_SPKR_L

C509

C554

C5405

C3951

C3201

R3963

C4304

TP6005

C6062
U6002

SiRF
GSP2e

C6003

C556

CR3960

C3600

C3550

R3911

C3200

C4502

C4198

VS4200

VS4201
C4401

C4356

FL4300

C4114

C4112

E3965

C3914

R3004
R3003

R3103
R3058
R3057
C4395

C4380

C4160
R4103

MIC

C4100

C3401

R3400

E3402

U6004

U6000

E6009

TP500

C502
TP7002

C3989

C4551

R4401 R4396

C4113

C4306

U7602

TP6008

R6002

C555

C3985

C4504

C4008

GPS
FLASH

R7631

C7632

C5400
U3980

C3150
C4207

R3225

U6001

C6004

RX_EN_LIFE

HMIC

R3998

C4210

Q6051

C3220

C3987

R3205

C5053

C3980

C3222

C5505

C3963

C3998

TP3011

C3983

Y3982

C3984

C3950

C3912

R3601

U3220

C5509

TP6002

N_GSM_EXC_EN

R3851

C5410

R3951

R3552

U3000
PCAP

C3555

R7654

C3450

R7635

R5600

R6003

TP6001

R506

TP3905

C3851

U2070

L3100

C3053

R3055

C3650

C3965

C3250

CR3050

CR3100

C3100

C3101

R3051
R3050 C3052

C3850

R5053

CR3000

C5411

R3224

R6004

N_BAND_0_G

L3050

U3910

R3910

C3911
R3403

R3104
C3051

C3801

C3910

C3350

C3002

L3000

C3001

U7610

C3502
C3050

C3000

C3501

R3900

C3300

C3900

R3228

R6001

VRF_HV_5V

Q3502

R3352

R3503

C5413

R3504

C3500

C7630

R7630

VS7603

VS7604

C7611

R7650

TP2043

Pixel
Processor

L7600

C7617

C3229

U7600

U7603

C3560

C3658

R3223

C3221

C3225

R7615

C3561

C3991

Q3980

L3220

C3224

Q3220

GSM_RX

C3902

R3561

R3999

R2070

C3562

C2070

VS7605

C3904

J7600

R3990

R3560

Q3610

C7644

C3906

U2070

J3900

R3995

C3563

R7638

R7610

C7634

C7640

R7612

C3226

C7641

R7641

L7640

C7642

R7645

C7612

R7637

C7610

C7618

R7632

VS7601

R7614

VS7600

C3993

C3992

R3902

C3901

C3903

R7616

C7642

LOCK

R3904

R7643

S2070

R4004

C7602

C4003

VR3912

VR3914

GPS_LNA_OUT

VRF_REF_2.475V VBLUETH_1.875V VRF_DIG_1.875V VRF_REF_1.875V VMMC VBOOST_5.5V VBUCK2_1_6V

VGPS_RF_2.775V

SW_VGPS_RF_2_775V

VRF_TX_2.775V
VBUCK_2.25V VAUX4_3V
VRF_REF_2.775V

A920: Signal Flow Side 1(P5B Build)

VA_2_775V VMEM_1.875V EXT_B+ CHRGC ISENSE CHG_PATH REF_OSC_IN BT_TX BT_RX MAGIC_13MHz CPTX TX_EN N_BAND_0 PROUT TX_VCO_LB AOC_DRIVE TX_VCO_HB PA_BATT+ DET_AOC DCS_PCS_OUT LV_EXC_EN GSM_OUT GSM_TX DCS_PCS_TX HL_TX_EN

TX Signal
RX Signal

VCO Signal
Reference Frequency
Control Signal

A920: SIgnal Flow Side 2(P5B Build)

HS_MAKE_DET*

CLK_12MHZ

CLK_32.768K

TXQ

TXI

VGC1

STBY*

MAX2361_LOCK

IFCP

VGC2

PA_ENABLE

RXCP

VLOAD_SW RF_DETECT

V_DETECTOR

TEMP_COMP

PA_BIAS1
PA_BIAS2

HS_SPKR_L
HS_SPKR_R

C5200

C5202

C5204

TP119
TP120

C009

C011

C453

R450

R451

R457
R454

U450

R456

C452

R452

FL460
C448

C449

U440

C445

Q420

C420

C421
C414
R420
C444

FL150

L153

R7613

L150
C7613

C302

C319

R301

C316

R320
C310

R304

U310

C317

L315

R305

R319

C305

L316

L303

C303

C307

FL300

C7615

U7601

C301

L301

C315

C313
L314

C314

L302

L320

FL310

R321

C361
C330
CR331

R331

C321

L321

C340

R342

C6510

C6510

TP118 TP117

C6504

L6000

C6501

C6502

C6503

C6091

C6500

C325

C6090

C326

A6050

FL320

C323

C342

C324

C332

R330

C331

R332

CR330
C349
C339

FL010

C151

C145

R151

L325

L324

L010

R147

R150

C142

C141

R140

R346

R347

C344

C327

R348

E109
C360

U130

R341

E108

C120

R325

C348

R360

C133

R350

R349

C104

R337

C150

C148

R344

Max RX

R338

R135
C121

L330

U330

C345

E100

E110

C334

R335
R336

E111

R134

C130

C338

R339

C333

C113

C114

U101

C335

C101
C106

Harmony Lite

C001

C451

U150

R146

R315
R361

C115

C107

C134

C131

C410

L280

C216

C132

VS5200

U140

C146

R431
C117
C123
R130

Y130

C5104

C413
C202

C201
L201
R215

C215

C116
C112

C157

R152

T100

C443

C442

C425

C282
L281
R133

C140

C103

C119

R1101

C1015

C1016

R1103

C1006

C1028

C1034

C1029

C1005

C1000

C1004

C1014

C1013

R132

R5008

C5229

C298

C299

C244

C203
CR201

C295
R232

R295

R213

CR200

C250

C252
R252

C261
C222

C102

R1000

TP121

C7747

R5114

C5103
R240

C241

C292

C291

C242

C243

C1304

L243

L242

C1308

R1150

U1150
VS1002

R205

C223
C221

TP340
C118

Q130

C1012

Q5000

C5210

R1007

C1007 C1030

TP1027

C441

C460

R141

C260

R432

C1003

R131

R2430
C5208

C205

C156

C1031
C1018

L223

R250

C1019

C1032

C1009

C1021

C1010

C1022

R3912

TP1023

C293
C294
R294

R296

TP1024

TP1021

POG

C1033

R1102
C5206

C1301

R1301

R1300

C1300

C1306

C1303

C1307

C1302

R1303

C1402

C1403

R1400

C1400

R1401

U7705

R1402

C1027

TP1028

TP1026
TP1022

C002

WCDMA PA

R412

WB_TX

R293

MAX TX

C290

TP1025

R411
R410

C122

R2403

C2400

C2402

SDRAM

C1002

C5213

C5227
C7620
U7620

VS7731

U1000

R1100

R2402
C5214

C5230

R5200

C5218

C1305

U1121
U1120
C1112

R1003 C1113

R1002

U6010

R3850

R6010
R6011

U2400

C2012

C5220

U200

R290

R1122

R203

C280

R455

U6500

C7621

C7730

C5412

C7745

C7721

C5222

R201

C296

VS1001

R5009

J5200

R7620

R2045

VS7730

C1008

C1026

C5212

C5226

D5110

R2027

EAR_SPKR+

C2015

C1017

C1001

TP3010
C2020

C5228

R2003 TP2028

U7701

C6008

C2357

C2356
C2099
R2401

R2035

C2006

R2320

C2011

U2071
R2055

R2029

R5101

C2016

C2019

C2003
C2010

C2030

R2097

TP2022

C7726

U5002

TP2024

C3990

R1304

U410

L200

R453

U420

C200

R200

R5117
L003

C422

FL410

C297

R291

C5100

R5116

D5101

C5105

RX_RF_ATTEN

R5100

C2025

R231

R270

R1001

R1060

R2012

C2005

U5670

R1200

R5003

TP2026
U7702

JPCH

C7731

C2018

R292

L240

C1309
TP1020

R1061

R5119

R421

L297
R230

C245

L241

C270

C1011

C5101
R5118

RX_VCCA

U5004

TP2023
C2099

R1006

TP2020
TP2029

R5005

AUDIN

U7604

E2013
TP2027

C1401

C6011

R2304

C2027
R2002

C2098

Q2040

TP2001

R2006

R2026

TP1001

C6019

C6005

R2430

U9454

L4401

VS5001

R2050
C2097

C2028
C2014

C5224

U1080
C2023

R2042

R2044 R2043

C5010

R2041

R5002

R5113
CR5005

C2024

C5000

U5003
VS5002

R2007

TP2001

R2030 TP2030

R1105

C2013

VS5000

VS5003

J5000

C2090

R5121

LNA_OUT

U2000
Helen

TP2011

R2056

R5006

C2008

C2094

R2040

U1400 U1300 U1310
SDRAM Flash Flash

TP2005

C1020

C2022

C2004

C5106

LNA_IN

L4400

C2021

R3660

C5002

R5007

C1080 TP2053

FL201

TP2005

C2401

TP3001

U5001

C5003

R5004

R2009

R2051

C2002

R5120

L298

TP2010

C6014

Q3981

TP4504

TP2300

R2404

CR1300

RX_LO

R2011

R5000

C2303

TP2009

R1004

R2402

U2020
C2035

U2023

C3651

Y2000

U2040

VS5004

C3981

Q3222

TP4600

U5005

Trumble
Flash

C2001

U5000

R3650

R5102

U2300

R2350

TP2008

VCO_FDBK

C3651

R5001

R3652

Q4300

R4305

R4303

C2351

C5102

R5115

TP2007

R2098

C4302

C2302

R4306

C1111

Trumble
Flash

TP2002

R2014

VS4392

L4399

HMIC C4393

C2032

S5100

WCDMA_RX

C4392

C4301

J4100

U2380

C2033
C2034

S5102

S5103

TP1003

WCDMA_TX

J4300

MIC

S5101

C2306

TX_LO

C2350

EAR_SPKR-

IRDA_TX

AUDIO_IN

Board: 8487855M01

PCAP_RESET*

TXCO_EN_OUT REF_OSC_OUT_15_36M

REF_FREQ MAX_2309_SHDN

WB_RXI

WB_RXQ

MAX2309_LOCK

AGC

RX_STBY*

TANKPOS
TANKNEG

CP_OUT

TX Signal
RX Signal

VCO Signal
Reference Frequency
Control Signal

MAX_2388_SHDN*

IFPOS
IFNEG

IRDA_SHUTDOWN

IRDA_RX


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