Read Sony CDX-605 / XDC-40 (serv.man2) Service Manual online
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• FOCUS GAIN ADJUSTMENT
(COARSE ADJUSTMENT)
(COARSE ADJUSTMENT)
This adjustment is to be performed when replacing the following
parts.
• Optical Pick-up Block
• RV14
parts.
• Optical Pick-up Block
• RV14
[RF BOARD] – Conductor Side –
Procedure:
1. Set RV14 (RF board) to the standard position.
2. Check that there is not an abnormal amount of operation noise
1. Set RV14 (RF board) to the standard position.
2. Check that there is not an abnormal amount of operation noise
(white noise) from the 2-axis devise. If there is, turn RV14
slightly clockwise.
slightly clockwise.
[RF BOARD] – Conductor Side –
• When gain is lowered...
The set does not play because of no focus operation.
• When gain is highered...
Operation noise is heard due to a scratch or a dust, then opera-
tion will be unstable.
tion will be unstable.
RV14
IC11
IC51
CNJ12
MIN side
(low gain)
(low gain)
MAX side
(high gain)
(high gain)
RV14 standard position
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