Sony KE-50XBR900 Service Manual - Page 55
Discharge
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(2) Schematic Diagram of F2 Board 1 2 3 4 5 6 7 A B CN651 10P :VH TO G BOARD CN1010 NC 1 GND 2 D653 UDZSTE-173.6B C651 0.001 B:CHIP R652 10 :CHIP R653 6.8 10W :RB R659 100k :CHIP C652 1000 100V C653 1000 100V C654 1000 100V C655 1000 100V CN652 10P :VH 1 ALARM 2 GND GND 3 D651 Q651 UDZSTE-1715B IRF1644G-LF36 3 GND C GND 4 GND 5 4 GND 5 GND VD 6 VD 7 6 VD 7 VD NC 8 VS 9 8 NC 9 VS VS 10 10 VS R651 D 0.22 10W :RB C656 1000 250V C657 1000 250V R655 6.8 10W :RB R656 6.8 10W R657 6.8 10W R658 6.8 10W :RB TO DISPLAY UNIT BOARD :RB :RB CN653 3P TO G BOARD CN1011 VD DIS CHARGE 3 GND 2 C658 0.001 B:CHIP R654 10 :CHIP R660 100k :CHIP Q652 IRF1644G-LF36 VS DIS CHARGE 1 D654 D652 UDZSTE-1715B F2 E UDZSTE-173.6B (DISCHARGE) B-SS11373-F2. F2 [DISCHARGE] - F2 BOARD - R660 R659 D653 R652 C651 D651 C658 D652 D654 R654 F2 BOARD Terminal name of semiconductors in silk screen printed circuit (*) Ref. * Q651, Q652 - D651-D654 3 *: Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) KE-50XBR900(UC) 4-20
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