Service manual

13
5-3 TRANSISTOR & DIODE CIRCUIT
LOCATION
FUNCTION AL DESCRIPTION
D101 For C102 Discharge
D405 Speed up for Q403
D406 Supply a bias for D408
D408 Damping Diode and Modulation Diode
D414~ D416,D418 Buffer Diode for Q412, Q417, Q418, Q420
Q401 B+ Mute Control
Q402 Horizontal Driver
Q403 Horizontal Out Put
Q404, Q406 A differential Amp for Drive Q405
Q405 Darlington Transistor for H-Size Control
Q407 Horizontal Linearity Correction Control
Q410,Q412,
Q417,Q418
Horizontal S-Correction Control
D707 Mixing Diode
D704 Rectifier for 250V Supply
D709 Protection Diode for Q708
D706,D708 Rectifier for -200V Supply
Q707 Picture Mute Control AMP
Q703, Q706 Brightness Control CKT
Q708 Vertical Dynamic Focus Control AMP
DB901 Bridge Rectifier for AC Source
D918 ~ D919 Rectifier for Output Voltage Supply
D921 ~ D923 Rectifier for Output Voltage Supply
D924 Clip Diode for Trigger CKT
D925 Rectifier for B+ Supply
D926, D927 Raster Position Control
D939 Clip Diode for Snuffer Pulse
ZD901 Protection Diode
ZD903 Protection Diode
Q911 MOS FET for B+ Control
Q912, Q915 Push Pull Driver for Q911
Q914 Pre-Amplifier for Q912, Q915
Q850 ~ Q852 DC Restoration for CRT Bias Adjustment