Sony FDL-PT22/JE service manual Variable Resistor, Board Transistor Voltage List

A BOARD : IC501 NJM2070M
NC 1		8	NC
+INPUT 2	BIAS	7	V+
-INPUT 3	+	6	OUTPUT
	-
300Ω	50kΩ
GND 4	100kΩ	5	POWER
			GND

A BOARD IC

VOLTAGE LIST

	Pin	Volt
IC501	1	-
	2	0
	3	0.6
	4	GND
	5	GND
	6	1.3
	7	3.4
	8	-

All voltage are in V. - : Not used

A BOARD TRANSISTOR

VOLTAGE LIST

	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
Q701	0	3.0	GND
Q702	0	3.0	GND

All voltage are in V.

A BOARD

DIODE		*
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	–
IC
IC501	G-5
TRANSISTOR *
Q401	G-5	1
Q601	C-4	2
Q602	D-4	2
Q603	F-4	2
Q610	C-5	2
Q701	G-3	2
Q702	G-3	2

VARIABLE

RESISTOR

RV450 C-6

RV501 D-5

RV601 C-5

A	AUDIO AMP, PC IN,	NOTE:
	BACK LIGHT
		∙	: Pattern from the side which enables seeing.
		∙	: Pattern of the rear side.

	– A BOARD –
	1	2	3	4	5	6	7
A	< Component Side >
B
C
D
E
	< Conductor Side >
F
G
H
I

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