JVC MX-GC5 Service Manual page 24

3. Pin description
Pin No. Symbol
1 RFM
2 RFO
3 EQI
4 EQO
5 EFMI
6 VCC
7 FRSH
8 FSET
9 FLB
10 FGD
11 FSI
12 TGU
13 ISTAT
14 MCK
15 MDATA
16 MLT
17 RESET
18 CLVI
19 WDCK
20 LOCK
21 EFM
22 ASY
23 SPM
24 SPO
25 SLM
26 SLO
27 SLP
28 TEM
29 TEO
30 FEM
31 FEO
Table 1. Pin Description
I/O
I RF summing amp. inverting input
O RF summing amp. output
I RFO DC eliminating input(use by MIRROR, FOK ,AGC & EQ terminal)
O RF equalizer output
I EFM slice input. (input impedance 47K)
P Main power supply
I Capcitor connection to focus search
I Filter bias for focus,tracking,spindle
I Capacitor connection to make focus loop rising band
I Terminal to change the hign frequency gain of focus loop
I Focus servo input
I Connect the component to change the high frequency of tracking Loop
O Internal status output
I Micom clock
I Data input
I Data latch input
I Reset input
I Input the spindle control output from DSP
I 88.2KHz input terminal from DSP
I Sled run away inhibit pin (L: sled off & tracking gain up)
O EFM output for RFO slice(to DSP)
I Auto asymmetry control input
I Spindle amp. inverting input
O Spindle amp. output
I Sled servo inverting input
O Sled servo output
I Sled servo noninverting input
I Tracking servo amp.inverting input
O Tracking servo amp. output
I Focus servo amp. inverting input
O Focus servo amp. output pin
Description