Panasonic SL-SV550GT Service Manual page 26

I/O
Pin Terminal
No. Name
19 VREF O Reference voltage output
terminal
20 TE IN I Tracking error amplifier input
terminal
21 TE O Tracking error amplifier output
terminal
22 FE IN I Focus error amplifier input
terminal
23 FE O Focus error amplifier output
terminal
24 GCTL I Input for CD-RW
25 FBAL I Focus balance signal input
terminal
26 TBAL I Tracking balance signal input
terminal
27 PDE I Tracking signal input terminal
28 PDF I Tracking signal input terminal
29 PDB I Focus signal input terminal
30 PDC I RF addition input terminal
31 PDA I Focus signal input terminal
32 SHARP I
Connected to V
/ =H
14.2. IC301(C2BBGE000658): / System Control
I/O
Pin Terminal
No. Name
1 BUSY I Busy signal input
2 DOCTOR I Connected to VREF though
resistor
3 VMON2 I Battery remaining measurement
signal
4 I Rechargeable battery voltage
VMON
signal input
5 KEY3 I Not used, connected to GND
6 KEY2 I Not used, connected to GND
7 PDOWN O Headamp power OFF signal
output
8 OPEN I CD cover open detect signal
input
9 CHARGE1 O Charge control signal output
10 BUZ - Not used, open
11 CHARGE2 O PVCC voltage up output
Function
CC
Function
24