Eiki LC-X71 LC-X71L service manual Serial bus control stage, Chassis Description

Chassis Description

Serial bus control stage

212

LAMP_SWIN

191

SH_LB_UART

167

LAMP_DET

167

MAIN	K8K CN2 LAMP BALLAST
LB_SW	2	LB_SW
ECO	1	ECO
LB_SENS	5	LB_SENS

IC801 CPU <HD6417727>

LB_SH_UART

186

PFC_SW

213

FAN_DRIVE

217,216

SH_SCL/SDA_S3.3V

Always Available

233IC4811

PRESSURE SENSOR

IC802

EEPROM

Q801

Q802

3.3V to 5V

FAN

CONTROL

	IC1814,16	K8X		K16I
	TEMP.				IC1691
	SENSOR		3,5		TEMP.
SH_SCL/SDA_S5V					SENSOR
					SENSOR

FAN7_DRIVE	12-15	IC7801	DAC	5	K8F	65	K4F
							CONTROL
FAN_CONTROL				4	FAN_CONT1		FAN
	6
					FAN_CONT2

POWER

PHOTO

MAIN

234IC4871

ACCELE. SENSOR

IC401	IC501	IC531	IC561	FAN_DRIVE	4	FAN_DRIVE
	IC1501	IC1531	IC1561	PFC_SW	1	PFC_SW	15
GAMMA
	S&H(R)	S&H(G)	S&H(B)	IC_RESET	2	IC_RST	14

COUPLER

PC603

133,135,136

STB/SCLK/SDATA_GAM

211	IC_RESET					POWER
12
						FAILURE
	RC_CPU		EXPANDERI/O <TIC81592>
235,236,238		IC4801		33,34
	KEY1-3			31,32
				29,30
				37-40
				52,53	RC_CTL0/1

			210	SYS_SW_CPU
						A[1-21]	CPU_AD[1-21]	IC4401
A[1-12]		D[0-15]				D[0-15]	CPU_DT[0-15]	FPGA
			IC1811		IC1801	IC6731,32,33
		<IDT70V24>		FLASH	DDR	IC6741,42
IC4701	RAMDP			ROM	MEMORY
						BUFFER
12]-A[1SC		15]-D[0SC						15
							A3231	IC281 DAC
							SYNC
			IC1305		IC1301,11,21,31		CONT.
				FLASH	DDR	PW_SCL/SDA_5V
				ROM	MEMORY
						5V
						Q281	RC_CTL0/1
						Q282

	SUB POWER		CN66A	CN6A				CN6C
						5
								CN16C
LENS_U/D		MOTOR
ZOOM_+/-		DRIVE					DRIVE
FOCUS_+/-		CONTROL
SP_OFF								K16U
VOLUME		IC1652				5
K8T	K16R	AUDIO						K20B
		CONTROL			SW

K8J	K68A	yellow
LED			REPLACE LED
	H	red
			TEMP. LED
	-On:
		green
			READY LED
	LED	red
			LAMP LED
KEY1-3		KEY SWITCH	CONTROL

VOLUME

IC801		I/F		NETWORK
				OPTION
K8Z		K87B
K8L		K2811A	RC FRONT
	2	F_RC		FRONT R/C

325,246
	PW_SCL/SDA_3V	3.3V
	Standby off

159,64	IC302	IC9201	IC8201	Q8201
		AV	PC	Q8202
	EEPROM	A/D	A/D
263	M_OUT
264

RC_CPU

HDCP_CLK/DATA

R/C	K10P	K40C
SELECT	29	R_RC	REAR R/C
	31	W_RC	WIRED R/C
	35	RESET_SW	RESET SW
	41	S_SW	S-VIDEO
		AV_SW1/2
		AUDIO_SW1/2

IC301 SCAN CONVERTER <PW388>

143,232	AUDIO_MUTE
	AUDIO_SW1/2
46	SP_MUTE		AD_SCL/SDA
84
	SP_OFF
390
	DDC_SW
388
	DDC_WRITE
158,63				IC8041
	Q301	PW_SCL/SDA_DDC_D		BUS
	Q302			MULTI-
71,72				PLEXER
	OPTION
	RESISTORS

398,247	Q303	PW_SCL/SDA_DDC_A
	Q304

DDC_SW

H

H

L

H

L

H

L

DDC_WRITE

IC8051,61,71

BUS SW

IC8072

HDCP

NVM

DDC_CLK/DATA

IC8052

AV

NVM

IC8062

DVI

NVM

25

DVI_HOT

DVI-D

27,29

DDC_CLK/DATA

USB

IC3801

CONTROL PORT

IC3803

IC3804

RS-S3SC RECEIVER/DRIVER

K10Q

K40C

AIR MOUSE

AIR MOUSE

R/C

DECODER

INTERFACE

7

A_MUTE

15

M_OUT

D-SUB15

L

IC5201

17,19

H

PC

K10R

K40E

NVM

A/V

IC5202

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