Sony FDL-PT222 service manual Board

A

[AUDIO AMP, PC IN, BACK LIGHT ]

					– A Board –
					1	2	3	4	5
A BOARD
DIODE				*	A
D406		G-5		6
D601		G-4		3
D602		D-4		5
D603		G-4		4
D604		C-5		3
D605		C-4		3
D701		D-3		–	B
IC
IC501		G-5
TRANSISTOR *
Q401 G-5 1
Q601		C-4		2
Q602		D-4		2
Q603		F-4		2	C
Q610		C-5		2
Q701 G-3 2
Q702 G-3 2
VARIABLE
RESISTOR
RV450		C-6
RV501		D-5			D
RV601		C-5
A BOARD IC VOLTAGE LIST
	Pin		Volt				< Component Side >
IC501	1		-
					E
	2		0
	3		0.6
	4		GND
	5		GND
	6		1.3
	7		3.4
	8		-
					F
A BOARD TRANSISTOR VOLTAGE LIST					G
	B		C	E
Q401	13.9		30.5	13.4
Q601	0.5		1.2	GND
Q602	0.7		3.1	0.2
Q603	0.2		3.0	GND
Q610	30.7		0.5	30.7	H
Q701	0		3.0	GND
Q702	0		3.0	GND
					I
							< Conductor Side >
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