CX6837AN / SAMSUNG [TV 70-74 (66-70) cm picture]

• Dark transient stripes from the left to the right.
• Reduced vertical size.
• Dead.
• No image after HV overshoots.
• Twittering sound during stereo reception.
• Whistling sound when LF output stage IC is connected.
• Stuck in standby. (service info for SAMSUNG -CX6837AN)
• Oversized picture, cannot be adjusted.
• No picture.
• Black bars in upper picture part.
• Set dead - it whistles even in standby. (CX6837AN SAMSUNG repair tip)
• Five diagonal flyback lines across bottom half of picture.
• No switch on. Only loud hum.
• "1/2" foldover at top of screen.
• Slanted floating vertical lines on top 10cm of screen.
• Focus adjustment.
• Lines in picture. on the left.
• Dead. Faint whistle from PSU.
• Flyback lines. at top. (CX6837AN SAMSUNG repair tip)
• Centre convergence adjustment. (part of circuit diagram displayed)
• When switching appliance on from standby, LED switches off but horizontal deflection does not start.
• No picture. Black screen. Horizontal lines. Audio OK .
• Dark interference lines in bottom third of the picture when cold.
• Partial collapse of picture. Black side on top of picture.
• HV check.
• No vertical deflection. (CX6837AN SAMSUNG repair tip)
• No picture at switch on, only after about 5 minutes. Then picture has lack of width, jagged verticals and arcing noise.
• Intercarrier hum. Poor AM muting, occasionally a twittering can be heard in the speaker.
• No audio. No picture. Squealing noise.
• Reduced horizontal size.
• Vertical collapse.
• +B +155V adjustment.
• Enter service mode.
• No or few channels avaible intermittently.
• No picture. on upper half screen.
• RF AGC adjustment.
• Instructions on SERVICE mode.
• No operation.