Sony KV-20S90 Board IC Voltage List, Board IC Block Diagrams, IC521 NJM4558M-TE2, PIN Volt

A BOARD IC VOLTAGE LIST

KV-20S90 / 21SE43C

IC001		29	N/C	5	GND	IC201		19	3.0	IC401		4	-12.9
PIN	VOLT	30	4.9	6	4.9	PIN	VOLT	20	2.6	PIN	VOLT	5	0.0
1	0.9	31	4.9	7	GND	1	5.9	21	1.0	1	0.8	6	13.6
2	4.9	32	N/C	8	4.9	2	0.2	22	1.5	2	N/C	7	2.4
3	0.5	33	4.9	IC003		3	6.1	23	1.5	3	2.4	IC601
4	2.0	34	2.6	PIN	VOLT	4	0.2	24	1.5	4	12.6	PIN	VOLT
5	0.0	35	N/C	1	GND	5	6.1	25	N/C	5	2.4	1	-55.3
6	0.1	36	4.9	2	GND	6	9.1	26	N/C	6	GND	2	-57.2
7	0.0	37	4.9	3	GND	7	5.3	27	N/C	7	0.8	3	94.8
8	N/C	38	4.9	4	GND	8	GND	28	N/C	8	6.5	4	-41.6
9	N/C	39	4.8	5	4.8	IC301		29	0.0	9	GND	5	-57.1
10	0.0	40	N/C	6	4.8	PIN	VOLT	30	4.6	10	6.5	IC602
11	0.1	41	0.0	7	GND	1	3.4	31	4.6	11	6.5	PIN	VOLT
12	4.9	42	0.1	8	5.0	2	N/C	32	4.6	12	GND	1	2.5
13	0.0	43	4.9	IC004		3	1.3	33	9.0	13	6.5	2	GND
14	4.9	44	0.1	PIN	VOLT	4	5.3	34	4.9	IC521		3	10.9
15	N/C	45	N/C	1	4.9	5	4.9	35	4.9	PIN	VOLT	All Voltages are in V
16	-0.1	46	4.9	2	4.9	6	4.5	36	N/C	1	N/C
17	-0.3	47	N/C	3	GND	7	N/C	37	N/C	2	N/C
18	4.9	48	N/C	IC200		8	5.1	38	N/C	3	N/C
19	4.9	49	0.0	PIN	VOLT	9	N/C	39	N/C	4	GND
20	1.8	50	4.6	1	5.9	10	GND	40	GND	5	8.6
21	0.0	51	4.6	2	0.2	11	N/C	41	5.3	6	9.8
22	2.2	52	4.6	3	6.1	12	2.4	42	7.2	7	1.3
23	GND	IC002		4	0.2	13	3.5	43	5.5	8	12.9
24	2.2	PIN	VOLT	5	6.1	14	3.5	44	9.1	IC541
25	2.3	1	7.5	6	9.1	15	N/C	45	5.3	PIN	VOLT
26	GND	2	GND	7	5.3	16	7.6	46	N/C	1	2.6
27	4.9	3	5.4	8	GND	17	N/C	47	1.9	2	12.9
28	N/C	4	GND			18	0.8	48	N/C	3	-11.1

A BOARD IC BLOCK DIAGRAMS

IC521: NJM4558M-TE2 IC541: AN5522

				Thermal Protections
					-
		Pump-Up			Amp
					+
1	2	3	4	5	6	7
Inverting Input	Vcc	Pump Up Out	GND	Output	Output Vcc	Inverting Input
						Non-

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