LG Electronics LG-C320 service manual Key Pcb, 133

7. CIRCUIT DIAGRAM

16 15

L

K

J

I

H

G

F

E

D

C

B

A

16 15

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14 13 12 11 10 9 8 7 6 5 4 3 2 1

KEY PCB L

						LCD FILTER, ZIP CONNECTOR													K
	Slide KEY PCB to Slide FPCB
ENBY0040501(GB042-50P-H10-E3000,SOCKET)
					VLDO_LCD_1V8		VLDO_LCD_2V8
					1		1												J
	CN101				R101		102
	1	50					R
										CN102
LCD_DATA[7]	2	49	LCD_MAKER_ID							1
	3	48									2
LCD_DATA[6]	4	47	LCD_DATA[15]					LCD_VSYNC_OUT		3
LCD_DATA[5]	5	46	LCD_DATA[14]					LCD_MAKER_ID			4
LCD_DATA[4]	6	45	LCD_DATA[13]					LCD_DATA[0]		5
LCD_DATA[3]	7	44	LCD_DATA[12]					LCD_DATA[1]			6
LCD_DATA[2]	8	43	LCD_DATA[11]					LCD_DATA[2]		7									I
LCD_DATA[1]	9	42	LCD_DATA[10]					LCD_DATA[3]			8
LCD_DATA[0]	10	41	LCD_DATA[9]					LCD_DATA[4]		9
LCD_RS			LCD_DATA[8]								10
LCD_RD	11	40						LCD_DATA[5]
	12	39	VLDO_LCD_2V8					LCD_DATA[6]		11
LCD_WR_N	13	38						LCD_DATA[7]			12
LCD_CS_N			VLDO_LCD_1V8
	14	37						LCD_DATA[8]		13
LCD_RST_N	15	36	LCD_IF_MODE[0]					LCD_DATA[9]			14
	16	35	LCD_IF_MODE[1]					LCD_DATA[10]		15
LCD_VSYNC_OUT			WLED1
	17	34						LCD_DATA[11]			16
			WLED2
	18	33						LCD_DATA[12]		17
KEY_ROW0			WLED3
	19	32						LCD_DATA[13]			18
KEY_ROW1			WLED4
	20	31						LCD_DATA[14]		19
KEY_ROW2			WLED5
	21	30						LCD_DATA[15]			20								H
KEY_ROW3			SLIDE_KEY_LED
	22	29						LCD_RD		21
KEY_COL5			PM_ONSW_N
	23	28						LCD_WR_N			22
KEY_COL6			WLED_VOUT					LCD_RS		23
KEY_COL7	24	27
	25	26						LCD_CS_N			24
								LCD_RST_N		25
								LCD_IF_MODE[1]			26
								LCD_IF_MODE[0]		27
											28
										29
											30
					C101		C102	WLED5		31
								WLED4			32
					0.1u		0.1u	WLED3		33
																			G
								WLED2			34
								WLED1		35
								WLED_VOUT
																			F
				SUB PCB KEY							SUB KEY B/L								E
											WLED_VOUT
			KEY_ROW3
			KEY_ROW2
											LD103	LD104	LD105	LD106	LD107	LD108
			KEY_ROW1
POWER KEY			KEY_ROW0								R107	R108	R105	R106	R109	R110			D
											10	10	10	10	10	10
				KB101			KB102	KB103	KB104
											SLIDE_KEY_LED
	KB105		KEY_COL5	LEFT	Widget			RSK	RIGHT		VA101
PM_ONSW_N				KB106			KB107	KB108	KB109
	END			Multi. TALK				UP	OK										C
	VA102		KEY_COL6
				KB110			KB111
			KEY_COL7	DOWN		LSK
																			B
																			A
14	13	12	11	10			9		8	7	6			5		4	3	2	1
								- 133 -											LGE Internal Use Only