Sony KV-20S90, KV-21SE43C service manual Board IC Voltage List, RGB DRIVE, CRT Drive

KV-20S90 / 21SE43C

C

[RGB DRIVE, CRT DRIVE]

	1	2		3		4		5
									CN1751
A		R1765
—		R1764
					H2	H1
			L1751
						KB
					KR
					G2
B							SPARK
					KG		GAP
							GROUND		E
			C1752
					G1				CN1754
—					G2		J1751
		20,27
		E
C	T P4 7B	B		CN1753			GROUND
	B O UT	G
		R		R1759
		IK
—				C1755
			T P47 R	1-673-986-11			171691511
			R OU T

C BOARD WAVEFORMS

1

148.4V p-p (H)

2

118.8V p-p (H)

3

122.5V p-p (H)

C BOARD IC VOLTAGE LIST

IC1751

PIN	VOLT
1	2.1
2	2.2
3	2.1
4	GND
5	3.7
6	193.4
7	146.5
8	133.8
9	134.9

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