Backlight Inverter Board - Kurzweil K2600 Series Service Manual

Backlight Inverter Board

A
1
16VDC UNREG
INPUT
J1
1
1
2
2
2PIN,1ROW.,098SP
+
C1
100uF
25V
R3
15K
2
+
C2
100uF
25V
3
4
A
B C
K2500R BACKLIGHT POWER SUPPLY
LM7805CTB
1 3
U2
2
R1
499
R6
357
Q1
PN2222
R2
R5
143
15K
R4
3K
B C
D
U1
CCFT-INV
1
3
VIN OUT2
4
OUT1
2
5
GND GND
+
C3
100uF
25V
YOUNG CHANG CO., LTD.
Young Chang R&D Inst. - Waltham, MA, USA
Duplication without the express written consent of
Young Chang Co., Ltd. is prohibited.
K2500R BACKLIGHT INVERTER
Filename: 021082C1.DS3 Date: 10/4/95
Eng: By: H. Chamberlin
Mfg: Sht.: 1 of 1
Doc#: 021082 Rev: C VER 1
D
Kurzweil K2600 Series Service Manual
E
1
J2
BKLITE
3
HI-VOLT
2
SENSE-IN
1
SENSE-OUT
4
GND
4PIN,1ROW,.200SP
2
3
4
E
7-17