Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Sony STR-1015G receiver
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>> Download Sony STR-1015G receiver documenatation <<Text preview - extract from the document STR-DE1015G
SERVICE MANUAL US Model
Canadian Model
SPECIFICATIONS
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FM STEREO FM-AM RECEIVER
MICROFILM
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TABLE OF CONTENTS SAFETY CHECK-OUT
1. SERVICING NOTE .......................................................... 4 After correcting the original service problem, perform the follow-
ing safety checks before releasing the set to the customer:
Check the antenna terminals, metal trim, "metallized" knobs, screws,
2. GENERAL .......................................................................... 5
and all other exposed metal parts for AC leakage. Check leakage as
described below.
3. DISASSEMBLY
3-1. Front Panel .......................................................................... 26 LEAKAGE
3-2. Balance Board, Display Board and Volume Board ............. 26 The AC leakage from any exposed metal part to earth Ground and
from all exposed metal parts to any exposed metal part having a
4. TEST MODE ..................................................................... 27 return to chassis, must not exceed 0.5 mA (500 microampers). Leak-
age current can be measured by any one of three methods.
5. ELECTRICAL ADJUSTMENTS ............................... 28 1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers' instructions to use these
6. DIAGRAMS instruments.
6-1. IC Pin Functions ................................................................. 30 2. A battery-operated AC milliammeter. The Data Precision 245
6-2. Circuit Boards Location ...................................................... 47 digital multimeter is suitable for this job.
6-3. Block Diagrams 3. Measuring the voltage drop across a resistor by means of a VOM
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