LG Electronics LG-C320 service manual IC401 Muic, FL101 FEM, U101 GSM PAM

9. PCB LAYOUT

C710	L703
C713	C712
C703
C704
C742
C	FB702
705	C717
C716
C719	L701

L702

U702

C72
	C729
7	C728

C731 C730

				FL803
FL805		FL804
	VA808 VA809 VA810
	FB701		C C
		C714	604	603
	C715		R602
C718			X
			701
		C737	C741
	R704	U704	VA604 C738

		R269	VA602
	C
		R268	VA601
C732	733
			VA603

	FL811
FL802	FL810
	R803

S601

C605 C606 R510 Q501

	C709
C707		F
C706		E	C708
		D
	U701 BC		VA505
	6	1A

FL602	C7R01	R	VA522
			L501
	267	266	R509
F			C520	VA502
L601			VA501	R505
			C519	FB505
F			R508	R504
L603			VA503	FB504
R601	C602		VA504 C521	FB503
C601

R511

J501

S601 Camera Socket - Can not use Camera

J501 Ear-Jack

- Can not use Ear-Mic

CN803 FPCB Conn

-Can not use SD-card, Vibrator, Speaker

U301 Memory - Can not Boot

			L811
			L810	C305		R302
			ZD311
	11	10	R307	T	Q	P	N
		C	R308
		N8	ZD310
		0
		3	ZD308	C734
	20		C312
			C247
			ZD307
VA201 C204	ZD607	ZD606	R309
			ZD306

		R503	R501
			U501
		FB501
C309	R304	R303

M L K J H G F E D C B A

1

U301

C502		R502		C C			IC401 MUIC
				263	264
C501		C505
R C		C407		C265			- Can not use USB, UART, Headset
299	219
		A	51
	R	B	IC401
	401	C				C
		D
						1
C310		C405 C401 C406			C409	CN403	CN403 USB Conn
C308		C403
							- Can not use USB
		C404		FL
	C402			401
				C408

X201 Sleep Cystal - No Service

U703 BT Chip.

- Can not use BT

FL701
		R703
C722	C735 C736	C720	C721
C724
C723
R	7
702		U7
C7		03

		R310
D201		R311
		ZD305
					R282		C311
					R281		C245
					C244	C225	C246
R705 R706 R707	R710 R712 R711	R708 R713 R715 R714 R709		C243 702R			L208
					C C		C255
				C250	259	205	L202
	FL808			C249
FL807		R808			C20 C25		C254
		F			6 8		L203
	U802	L80	R26	R205
F

R262

C208

D202 C253

R406

U4

12

R405

R407

01

C410

R272

C222

C221

C307

C306

C218

C216

C217

C215

R402

C411

C4

R273

12

AC AB AA Y W V U T R P N M L K J H G F E D C B A

1

C267

C214

R264

C212

R265

C213

C260

C219

C226

C220

U201

C231

L206

R206

C228

L207

C229

C232

C230

U401 Single Charger

- Can not use Charging, Booting

U201 QSC6270 (BB & Power chipset)

-Can not power on

-No LCD Display

-No Service

X702 BT X-Tal

- Can not use BT

U803 Analog Switch

- Can not use UART, BT

26
FB703	1
	C	F E D
	A C725B
	C740	C739

X702

VA260 VA261 VA262 VA263 VA264 VA265
C416	VA401	R404
		R403

L806

9

R814

3

C207

C25

C20

L201

C223

C224

R1

C

C211

C210

7

1

C252

C R C R R

C

289

C209

C

806 809

807

276

C304

C303

301 C302

C301

C248

807

R283

R284

803U

VA509

5C26

VA508

C525

C261

20X1

297C296

C262

C236

C234

C233

C256

C238

L205

C227

X202 XO

C298

C239

C235

- Can not BootRF Rx/Tx

C237

C281

23

L204

C280

X202

C203

C275

C251

C241

C242

C266

- No Power.

C202 R201 PT201

L108

L107

L115 L116

L101 L102

L104

L103

C126

C118

C240

C114

C137

C101

L118

L109

R260

C291

C117

R261

C290

FL101 FEM

C113

C107

C102

C104

L111

- GSM RX Sensitivity & TX Power

CN402 Battery Conn

- Can not use Battery, Power On

J301 USIM Conn.

- Can not detect USIM

CN402
		C417
C413			ZD402
C415	C414

J301

TP260

TP262

TP263

TP264

FL101

L1113

C135	C112	R111	R110	C111	L105	C105
C134
R109

SW101

R113

C143

R114

R112

C123

L114

C122 L110

C121		R R
		104	102
R107	C119	R103
	C120
C129	C128	C127
	U101
	C130	L112
		C132	C133

- No service

U101 GSM PAM

- Tx power No service

MIC501 Mic.

- Can not use Mic

						C110	L117	L801 L802
L804	L803	L119	L806	L805
					C115	C109

MIC501 ANT101 ANT102

C320_MAIN_SPFY0235601_1.1_BOT

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		Only for training and service purposes