- 2-2 -
CD PART
Check power supply circuitry.
Is audio output supplied?
Can disc be played?
Check laser circuitry.
Check focusing circuitry.
Check tracking servo circuitry.
Check Audio circuitry.
Check disc.
Is the function selector in the CD
position?
Is power turned ON?
Does initial Reading occur?
OK
END
NO
NO
NO
NO
YES
YES
YES
YES
YES
❏
TROUBLESHOOTING GUIDE
1] CD PART
• CD CIRCUIT
Summary of Contents for CD-372A
Page 16: ... 2 11 INTERNAL BLOCK DIAGRAM OF ICs LC72131 Block Diagram Pin Assignments Top View ...
Page 17: ... 2 12 Pin Assignments Top View TDA7440D Block Diagram ...
Page 18: ... 2 13 S3C8248 Block Diagram Pin Assignments Top View ...
Page 19: ... 2 14 TA2149BN Block Diagram KIA8207K TA8207K Block Diagram ...
Page 20: ... 2 15 TDA2104 MP3 DECODER Block Diagram Pin Assignments Top View ...
Page 23: ...2 20 2 21 BLOCK DIAGRAM ...
Page 24: ...2 22 2 23 SCHEMATIC DIAGRAMS 1 MAIN SCHEMATIC DIAGRAM ...
Page 25: ...2 24 2 25 2 µ COM SCHEMATIC DIAGRAM ...
Page 26: ...2 26 2 27 2 µ COM SCHEMATIC DIAGRAM FOR MP3 ...
Page 27: ...3 TUNER SCHEMATIC DIAGRAM 2 28 2 29 ...
Page 28: ...2 30 2 31 4 CD SCHEMATIC DIAGRAM ...
Page 29: ...4 CD SCHEMATIC DIAGRAM FOR MP3 2 32 2 33 ...
Page 30: ...2 34 2 35 5 DECODER SCHEMATIC DIAGRAM FOR MP3 ...
Page 31: ... WIRING DIAGRAM 2 36 2 37 ...
Page 32: ...2 38 2 39 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM COMPONENT SIDE ...
Page 33: ...2 40 2 41 1 MAIN P C BOARD DIAGRAM SOLDER SIDE ...
Page 35: ...3 CD P C BOARD DIAGRAM COMPONENT SIDE 2 44 2 45 3 CD P C BOARD DIAGRAM SOLDER SIDE SIDE ...
Page 37: ...3 3 3 4 MEMO MEMO ...
