Training Master - LG L320-BN Service Manual

Color video camera
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1. DISTORTED PICTURE
- When powered ON, blank (or non-uniform) scene appears on screen
Blank screen is displayed.
(Power do not TURN ON)
Is there any characters when Powered on?
Is non-uniform scene on screen ?
Are outputs from power board Correct?
(15 V, -7.5 V, 5 V, 3.3 V)
Replace CCD_CSP board. (L320)
Replace CCD or CSP board. (L321)

TRAINING MASTER

YES
YES
YES
YES
Check DC Adapter polarity. (L320DN, L321DN)
NO
Check CSP board and Key board tightly connected.
Check cable among ccd_csp and key and if board.
NO
Check if Flash rom in XDI is programmed.
NO
Check correct PR(NTSC or PAL) applied to XDI.
NO
Replace power and key board.
3-7

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