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HCD-S300
SERVICE MANUAL US Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model



HCD-S300 is the amplifier, DVD/CD and
tuner section in DAV-S300.



Model Name Using Similar Mechanism NEW
Mechanism Type CDM-55D-DVBU2
Base Unit Type DVBU2
Optical Pick-up Type KHM220AAA/CINP1


SPECIFICATIONS




COMPACT AV SYSTEM

MICROFILM


1
SAFETY CHECK-OUT
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
After correcting the original service problem, perform the follow-
ing safety checks before releasing the set to the customer:
This appliance is classified as Check the antenna terminals, metal trim, "metallized" knobs, screws,
a CLASS 1 LASER product. and all other exposed metal parts for AC leakage. Check leakage as
The CLASS 1 LASER PROD- described below.
UCT MARKING is located on
the rear exterior. LEAKAGE
The AC leakage from any exposed metal part to earth Ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microampers). Leak-
age current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers' instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
This caution digital multimeter is suitable for this job.
label is located 3. Measuring the voltage drop across a resistor by means of a VOM
inside the unit. or battery-operated AC voltmeter. The "limit" indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a pas-
sive VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2V AC range are suitable. (See Fig. A)


To Exposed Metal
Parts on Set




CAUTION
AC
Use of controls or adjustments or performance of procedures 0.15