Adjusting The Electrical Circuits - Sharp VL-NZ10S Service Manual

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VL-NZ10S/H/E
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9. ADJUSTING THE ELECTRICAL CIRCUITS

Before starting the electric circuit adjustment
• The adjustment methods described herein are used, in most cases, when the expendable mechanical parts, including
the video head, have been replaced, at which time the electrical circuits need to be readjusted. Before adjusting the
electrical circuits, make sure that the mechanism works properly (i.e., the mechanism is properly adjusted). Incase of
the occurrence of any problem to the electrical circuits, be sure to use the specified measuring instruments to locate
the area to which the problem is occurring, and then take the necessary action, including repair, replacement or
adjustment, exactly as instructed in the electrical adjustment methods that will follow.
Do not attempt to make adjustments without using the proper measuring instruments.
• This machine is configured so that the electrical circuits inside its PWB unit are composed, for the most part, of high-
density, small surface-mounted component parts for downsized machine body.
To perform repair service or parts replacement, do so using a soldering iron, but in as short a time as possible; this is
because surface-mounted component parts are generally so small in size and susceptible to heat, as compared with
the large discrete parts used in TV sets, desk-top video decks, etc., that attempting to heat their electrodes for a longer
time than is necessary with a soldering iron may result in their becoming defective.
This applies particularly when replacing the laminated chip capacitors.
For this purpose, ceramic soldering irons with a temperature regulator are recommended (iron tip temperature 250°C
and soldering time 5 seconds or shorter).
VL-NZ10S/H/E
Specifications of service jigs
No.
Connection section
1
H/A_PWB–H/A_FPC
2
H/A_FPC–Main
3
Main–Battery Terminal
4
Main–LCD Panel
5
Main–Inverter PWB
6
Inverter–Lamp Unit
7
Main–Operation PWB
8
Main–AIO PWB
9
Main–Card PWB
10 Main–Cam Head
11 AIO–Hot Shoe Unit
12 Power/Snap SW Unit–
Mic Unit
13 AIO–Power/Snap SW Unit SC2601←
14 AIO–Zoom/Media SW Unit SC2602←
15 AIO–Speaker
16 Cam Head–Lens
17 Cam Head–CCD PWB
18 Cam Head–Turn SW Unit
19 Cam Head–Main
20 TP Jig for Envelope
confirmation
Connector REF. No.
No. of pins
P306–
80B-B
–SC3301
80B-B
SC900←
20B-B
SC2801–LCD Panel
24
SC2802–SC9801
9
SC9802–LAMP
SC701–SC2001
6
SC1202–SC2604
SC1204–SC1503
SC1201–SC101
SC6601←
SC2701←
P602←
SC551←
SC2–SC21
P101←
P103–P1203
12
SC3302←
10PB-B
Published in Heiloo, Holland
New or
Continuation
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Price
Part cord
code
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12/9/2016

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