3-9
E
Normal
Audio output
when disc playback?
Normal
IR. VFD & Front
pannel key
functions?
TEST END
Audio
DAC received
correct data stream?
Normal
Audio DAC
out? (IC601)
Check Audio filter, amplify, mute
circuit. (IC602 Application circuit)?
Check the cable connection
on Front pannel.
Check connection between MT1379
& Audio DAC. (Check VRST#, ACLK,
ABCK, ASDAT3)
Check the related circuit of
Audio DAC. (Check Audio
out Pin 14, 15,18,19)
Check communi cation lines
on MT1379.
Communications
between IR.VFD Front pannel key
& MT1379 & Front u-com(IC901)
is normally?
Summary of Contents for SD-4900
Page 1: ...SERVICE MANUAL DVD VIDEO PLAYER FILE NO 810 200327 DOCUMENT CREATED IN JAPAN Jul 2003 SD 4900 ...
Page 69: ......
Page 72: ...3 33 3 34 3 RF SERVO CIRCUIT DIAGRAM CD DVD LD will not on 02 12 26 R14601A TOSHIBA ...
Page 77: ...3 43 3 44 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 5600AD ...
Page 78: ...3 45 3 46 2 KEY P C BOARD 3 TIMER P C BOARD LOCATION GUIDE Solder Side Solder Side ...
Page 85: ......
Page 87: ......
Page 102: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...