Panasonic SAPM25 - MINI HES W/CD PLAYER, Service Manual, Page: 29 / 100

Pin No. Mark I/O Function
19 SMCK O
1/2 - Divided Clock
Signal of Crystal
Oscillating at MSEL=
“H” (fSMCK=8.4672
MHz)
1/4 - Divided Clock
Signal of Crystal
Oscillating at MSEL=
“L” (fSMCK=4.2336
MHz)
20 CSEL I Frequency Selection
Terminal H= 33.8688
MHz; L= 16.9344 MHz
21 TRV O Traverse Forced Feed
Output
22 TVD O Traverse Drive Output
23 PC O Traverse (Spindle)
Motor ON Signal Output
(“L”:ON)
24 ECM O Spindle Motor Drive
Signal Output (Forced
Mode Output)
25 ECS O
Spindle Motor Drive
Signal Output.
(Servo Error Signal
Output)
26 KICK O Kick Pulse Output
27 TRD O Tracking Drive Output
28 FOD O Focus Drive Output
29 VREF I D/A (Drive) Output
(TVD, ECS, TRD, FOD,
FBAL, TBAL) Reference
Voltage Input
30 FBAL O Focus Error Signal
Input (Analog Input)
31 TBAL O Tracking Balance
Adjustment Output
32 FE I Focus Error Signal
Input (Analog Input)
33 TE I Tracking Error Signal
Input (Analog Input)
34 RFENV I RF Envelope Signal
Input
35 VDET I
Vibration Detection
Signal Input
(“H”: Detect)
29