Service manual

24
DVD-ROM
- Model Matsushita SR8173
- Dimensions 128mm(W)x12.7mm(H)x127mm(D)
- Random access time 130ms-CD / 170ms-DVD
- Data transfer rate 4X speed (5400KB/s)-DVD
- Mechanism tray-loading
- Interface ATAPI
- MTBF 60,000POH
Signal Name I/O
Connector
Contact
I/O Signal Name
AUDIO L-CH O 1 2 O AUDIO R-CH
AUDIO GROUND 3 4 N.C.
/RESET I 5 6 I/O DD8
DD7 I/O 7 8 I/O DD9
DD6 I/O 9 10 I/O DD10
DD5 I/O 11 12 I/O DD11
DD4 I/O 13 14 I/O DD12
DD3 I/O 15 16 I/O DD13
DD2 I/O 17 18 I/O DD14
DD1 I/O 19 20 I/O DD15
DD0 I/O 21 22 O DMARQ
GROUND 23 24 I /DIOR
/DIOW I 25 26 GROUND
IORDY O 27 28 I /DMACK
INTRQ O 29 30 O /IOCS16
DA1 I 31 32 I/O /PDIAG
DA0 I 33 34 I DA2
/CS1FX I 35 36 I /CS3FX
/DASP I/O 37 38 I +5 V
+5 V I 39 40 I +5 V
+5 V I 41 42 I +5 V
GROUND 43 44 GROUND
GROUND 45 46 GROUND
CSEL I 47 48 GROUND
RESERVED 49 50 RESERVED
DVD-ROM PIN ASSIGNMENT