CD-SW200
– i –
IMPORTANT SERVICE NOTES
BEFORE RETURNING THE AUDIO PRODUCT
BEFORE RETURNING THE AUDIO PRODUCT
(Fire & Shock Hazard)
Before returning the audio product to the user, perform the following
safety checks.
1. Inspect all lead dress to make certain that leads are not pinched or
that hardware is not lodged between the chassis and other metal
parts in the audio product.
2. Inspect all protective devices such as insulating materials, cabinet,
terminal board, adjustment and compartment covers or shields,
mechanical insulators etc.
3. To be sure that no shock hazard exists, check for leakage current in
the following manner.
* Plug the AC line cord directly into a 120 volt AC outlet.
* Using two clip leads, connect a 1.5 kohm, 10 watt resistor paralleled
by a 0.15 µF capacitor in series with all exposed metal cabinet parts
and a known earth ground, such as conduit or electrical ground con-
nected to earth ground.
* Use a VTVM or VOM with 1000 ohm per volt, or higher, sensitivity to
measure the AC voltage drop across the resistor (See diagram).
* Connect the resistor connection to all exposed metal parts having a
return path to the chassis (antenna, metal cabinet, screw heads,
knobs and control shafts, escutcheon, etc.) and measure the AC
voltage drop across the resistor.
All check must be repeated with the AC line cord plug connection
reversed.
Any reading of 0.3 volt RMS (this corresponds to 0.2 milliamp. AC.) or
more is excessive and indicates a potential shock hazard which must
be corrected before returning the audio product to the owner.
TO EXPOSED
METAL PARTS
CONNECT TO
KNOWN EARTH
GROUND
TEST PROBE
0.15 mF
1.5 kohms
10 W
VTVM
AC SCALE
1. Employing lead-free solder
"Power/Game Input/CD Servo PWB" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is
attached on the PWB andservice manuals. The alphabetical character following LF shows the type of lead-free solder.
Example:
Indicates lead-free solder of tin, silver and copper.
2. Using lead-free wire solder
When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder
may cause damage or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, we recommend you to use a
dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station
or service branch in your area.
3. Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead solder by 40
C,
and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of
time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded,
remove the bit from the PWB as soon as you confirm the steady soldering condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure to turn on and off the
power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after e
very use
of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing
Ref No.
Description
Parts No.
PWB-B
92LPWB6230PWRS
Power/Game Input
PWB-C
92LPWB6230CDUS
CD Servo
Содержание CD-SW200
Страница 12: ...CD SW200 2 7 APPLY GREASE PULL THE LEVER UNITIL REACH THE ARROW MARK 143 112 3 ...
Страница 13: ...CD SW200 2 8 FIGURE 1 FIGURE 2 APPLY GREASE SLOT CLAMP SW ARM INSIDE BASE SLOT 152 142 118 4 ...
Страница 15: ...CD SW200 2 10 APPLY GREASE AT HALF GEAR AREA ROTATE CLOCKWISE UNTIL REACH HERE MAXIMUM 6 129 ...
Страница 16: ...CD SW200 2 11 CHANGE COLOR TO BLACK 150 151 148 7 ...
Страница 19: ...CD SW200 2 14 10 148 147 146 145 ...
Страница 20: ...CD SW200 2 15 APPLY GREASE WHEN FIXING ITEM 2 MUST FOLLOW AS SHOWN 121 144 130 11 ...
Страница 21: ...CD SW200 2 16 FIGURE 1 FIGURE 3 FIGURE 2 APPLY GREASE SC141 APPLY GREASE 117 12 ...
Страница 24: ...CD SW200 2 19 APPLY GREASE BEHIND THE LEVER NEED TO APPLY GREASE PULL IT THEN LEVER WILL MOVE IN 115 15 ...
Страница 29: ...CD SW200 2 24 BIG SLOT FACING OUT 110 20 ...
Страница 33: ...CD SW200 2 28 804 24 SCREW TORQUE 3 kgf cm 0 5 0 ...
Страница 40: ...CD SW200 2 35 GAP N G O K N G APPLY GREASE MUST MAKE SURE SNAP PROPELY BOTH SIDE ALL SURFACE MUST TOUCH 104 31 ...
Страница 41: ...CD SW200 2 36 NO GAP HAVE GAP O K N G 32 ...
Страница 48: ...CD SW200 3 7 MOME ...
Страница 55: ...CD SW200 5 4 M E M O ...
Страница 101: ...CD SW200 15 12 CD MECHANISM PARTS 701 304 701 302 301 NM1 703x2 305x2 NSW1 NM2 308 PWB F 306 2 306 704 307 306 1 306 3 ...
Страница 121: ...CD SW200 MEMO ...
Страница 122: ...CD SW200 MEMO ...