Eiki LC-X71 LC-X71L Power supply lines & power failure detection, Chassis Description, Primary

Chassis Description

Power supply lines & power failure detection

		FN905			FN902			FN901
1	2	3	1	2	3	1	2	3
		K66S			K66L			K66M	FL
	FL			FL			FL

FAN

S16V CONTROL PF CIRCUIT

S6.3V	1-2
K66N
S6.3V	2,4 6,8	K40A	S6V	IC4001
S-6V			S-5V	PF
K66G			D4001

	A/V BOARD
	S5V	PF
PF	PF	14
	K40E	K40D
9-10	11-12	3-4

K87A		D8701	I/F BOARD
	S6V	Q8701	5V
	NET_SW		PF
-D		IC8701	3.3V1	PF
DVI	PF	IC8702	3.3V2	PF
	K87B
30	32

Q6612 15.7V

IC_RST

Q6611 10VA

IC6606

	K66D		FAN_CONT2
	6
SUB POWER BOARD
			FAN_CONT1
			FAN_DRIVE
	PF		FAN_PF
	1 2 543	K8D	IC_RESET
			PFC_SW

		K10R		K10Q
-5V AV PF	S5V AV PF		5VDVI

K8Z

PJ_5V_PF

NET_SW

PJ_5V_PF

	Symbol	Remark
	FL	Fan Lock signal
	PF	Power Fail signal
64

	IC_RST	S16V	-6		S16V
			1-2 5	K8F
Q6617	S3.4V	K66H			S3.3V
			-4
					S3.3V
Q6616	3.3V	K66F	10-8 2	K8G
					3.3V

-5V_AV_PF S5V_AV_PF MAIN_-5V_PF M/A_PF FAN_PF

65

66

67

68

69

70

	IC_RST	S16V	1-2
Q6614	6.2V	S-6V	5
	IC_RST		7
S6.3V		K66E	10
	S16V		9-
CN66A
3-4 9-11	2	14 15 13 12

K8E

S16V

S-5V

S6V

6V

Refer to:

POWER SUPPLY LINES

SWF_1.2V_PF SWF_2.5V_PF VDEC_1.8_PF FPGA_1.5V_PF GAM_15.5V_PF

MAIN_6V_PF

MAIN_3.3V_PF

AD_3.3V_PF

71				IC801
72			A[0-5]
			D[0-7]	MAIN
73
				CPU
74	IC4801	I/O EXPANDER
77
78
80

CN6A

S16V S6.3V S-6V

T651

CONVERTER

TRANS.

PC601 F.B.

IC_RST

PC602

PFC_SW

PC603

16VA	15.7V
	POWER BOARD

Power failure detection tree

M/A_PF

K8T

2

K16R

PF

Lamp-On : H

Stand-by : L

MAIN BOARD

AD_5V_PF

GAM_1.8V_PF LAMP_FAN_PF

PFC_SW

IC_RESET

NET_SW

Stand-by : L

82
83
56
16		4	186
	IC1871
17		3	211
	BUFFER
12		8	206
	IC1872
	BUFFER
			111
ON_15V

IC651	9-10	CN16C	15.7V	IC1621	12V_M/A	PF
SWITCHING	7-8			IC1631
REGULATOR			16VA
	5		IC_RST		PF

K8M

FL

FL

1 2 3 FN904

DIODE

BRIDGE

K6AC

K6AB

BOOSTER			IC601
			P.F.
			CONTROL
		K6A
1	3

CJ1

375V	18VB
		IGNITOR

LAMP

BALLAST

CN6C		IC1632
	DRIVE BOARD			PF	K16N
				3	1
	12VAR	3			K20H
	12VAL
		1
		K20A
	SW BOARD		K20J	R-NET BOARD
CJ2	K8K

			K8N
	FAN		FL
S16V	CONTROL	PF	K8P
	CIRCUIT
			FL
	Refer to:		K8O
			FL

Fan control stage

1 2 3 FN906 1 2 3 FN903 1 2 3 FN907

K6AA

CJ4

S5V S5V S5V

S5V

15.5V

THERMAL SW	PRIMARY		SHIFTLENS	CONNECT	S5V	FRONTRC BOARD	S5V	CONTROL BOARD	S5V	SENSOR BOARD
	INLET
	CIRCUIT		K8S		6	K8L	1	K8J	6	K8X
	INTERLOCK					K2811A		K68A		K16I
	SW	LAMP
		AC
		INPUT

1

S5V

13.5V

K25R K25G K25B

RED	GREEN	BLUE
LCD	LCD	LCD
PANEL	PANEL	PANEL

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