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COMPACT DISC COMPACT PLAYER
PD-X3780SR
CONTENTS
Page
Performance Specifications .................................................................................................................... 2
Electrical Parts List ................................................................................................................................ 3
Wiring Diagram ....................................................................................................................................... 6
Printed Circuit Boards ............................................................................................................................. 7
Schematic Diagrams ............................................................................................................................. 13
Voltage Chart ....................................................................................................................................... 17
IC Lead Identification and Internal Diagrams ........................................................................................... 19
Block Diagram ...................................................................................................................................... 22
Exploded Drawing Parts List .................................................................................................................. 23
Exploded Drawing ................................................................................................................................. 25
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety characteristics.
These safety characteristics often pass unnoticed and the protection afforded by them cannot
necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
Replacement parts that have these special safety characteristics are identified in this manual
and its supplements; electrical components having such features are identified by in the
schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully.
The use of substitute replacement parts that do not have the same safety characteristics as
specified in the parts list may create shock, fire or other hazards.
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PERFORMANCE SPECIFICATIONS
GENERAL TEST CONDITION
Power Supply : AC-DC Adaptor 100V: 6V DC 60H Battery: 3V (AAAx4)
120V: 6V DC 60Hz
230V: 6V DC 50Hz
110/220V: 6V
Headphone Output Load : 32 ohm
Reference Output : 15mW
Input Signal Source : CBS SONY YED7 (PTD-001) SONY
PHILIPS SBC 444A (TCD-725. TDC-73; TDC-712) A.Bex
EARPHONE OUTPUT
TEST ITEMS UNIT NOMINAL LIMIT
1. 10%THD Output Power (1kHz, 0dB) (32 ohm) mW - 15
*2. Signal to Noise Ratio (1kHz) dB 76 70
*3. Channel Separation (1kHz, 0dB) dB 33 30
*4. Total Harmonic Distortion 1kHz % 0.3 1
5. Frequency Response (1kHz,0dB) ) 00Hz
1 dB