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SERVICE MANUAL - Encompass Imaging

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Inverter Block Diagram<br />

[LC195SLX, LC195EMX, LC195SSX, 19MF339B/F7]<br />

Q1004,Q1006,<br />

Q1008,Q1012<br />

SW+16V<br />

Q1002,<br />

Q1011<br />

SW+16V<br />

INV+31V<br />

PANEL+15V<br />

IC1001(PWM CONTROL)<br />

LC195SLX<br />

(Serial No.:DS1A**********)<br />

/LC195EMX<br />

(Serial No.:DS1A**********)<br />

/LC195SSX<br />

VCC<br />

VREF<br />

12<br />

14<br />

DTC<br />

4<br />

Q1023,<br />

Q1024<br />

SW<br />

T1002<br />

CN1001<br />

2 8<br />

1<br />

BACK<br />

4 7<br />

2<br />

LIGHT<br />

Q1005<br />

CURRENT<br />

CONTROL<br />

SWITCH<br />

Q1010,<br />

Q1017,<br />

Q1018<br />

DRIVE<br />

3<br />

11<br />

15<br />

16<br />

Q1022<br />

Q1001,<br />

Q1007,<br />

PWM<br />

CONTROL<br />

LOGIC<br />

6<br />

5<br />

1<br />

3<br />

CURRENT<br />

CONTROL<br />

SWITCH<br />

Q1016<br />

DRIVE<br />

8<br />

2<br />

1<br />

BACK<br />

LIGHT<br />

CN1002<br />

1<br />

2<br />

OSC<br />

Q1005<br />

CURRENT<br />

CONTROL<br />

SWITCH<br />

5 6<br />

9-5<br />

LC195SLX(Serial No.:DS2A**********)<br />

/LC195SLX(Serial No.:TH3A**********)<br />

/LC195EMX(Serial No.:DS2A**********)<br />

/19MF339B/F7<br />

Q1014<br />

Q1009<br />

OVER VOLTAGE<br />

PROTECTOR<br />

Q1019<br />

IC1002<br />

(COMPARATOR)<br />

Q1015<br />

OVER VOLTAGE<br />

PROTECTOR<br />

6<br />

5<br />

2<br />

3<br />

7<br />

Q1003<br />

PROTECT3<br />

BACKLIGHT-SW<br />

BACKLIGHT-ADJ<br />

TO<br />

SYSTEM<br />

CONTROL<br />

BLOCK<br />

DIAGRAM<br />

1<br />

LCD MODULE<br />

ASSEMBLY<br />

MAIN CBA<br />

A91N3BLINV

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