Harman Kardon FL8385 Service Manual page 29

FL8385
MN662790RAS1
Pin Descriptions
Pin No. Symbol
1 BCLK
2 LRCK
3 SRDATA
4 DV
5 DV
6 TX
7 MCLK
8 MDATA
9 MLD
10 SENSE
11 FLOCK
12 TLOCK
13 BLKCK
14 SQCK
15 SUBQ
16 DMUTE
17 STAT
18 RST
19 SMCK
20 CSEL
21 TRV
22 TVD
23
24 ECM
25 ECS
26 KICK
27 TRD
28 FOD
29 V
30 FBAL
31 TBAL
32
I/O
O SRDATA bit clock output.
O Left/right channel discrimination signal output.
O Serial data output.
I Power supply for digital circuits.
DD1
I Ground for digital circuits.
SS1
O Digital audio interface output signal.
I Microcomputer command clock input. (Data is latched at rising edge.)
I Microcomputer command data input.
I Microcomputer command load signal input.
O Sense signal output. (OFT, FESL, NACEND, NAJEND, SFG, and NWTEND)
O During default operation, focus servo convergence signal.
"L" level: convergence.
During command execution, direction detection output for external track
counter.
O During default operation, tracking servo convergence signal. "L" level:
convergence.
During command execution, traverse speed control output.
O Subcode block clock signal (f
I External clock input for subcode Q register
O Subcode Q data output
I Muting input. (Effective only for an output bit rate of 64 f
O Status signal.
(CRC, CLVS, TTSTOP, JCLVS, SQOK, FLAG6, SENSE, FLOCK,
TLOCK, rpm data, and FCLV)
I Reset input.
O If MSEL is "H" level, 8.4672 MHz clock signal output.
If MSEL is "L" level, 4.2336 MHz clock signal output
O Oscillation frequency selection: "H" is 33.8688MHz; "L" is 16.9344MHz.
O Traverse forced feed output.
O Traverse drive output.
PC O Spindle motor ON signal.
O Spindle motor drive signal (forced mode output).
O Spindle motor drive signal (servo error signal output).
O Kick pulse output.
O Tracking drive output.
O Focus drive output.
I Reference voltage for DA output (TVD, ECS, TRD, FOD, FBAL, and
REF
TBAL).
O Focus balance adjustment output.
O Tracking balance adjustment output.
FE I Focus error signal input. (analog input)
Function Description
=75 Hz)
BLKCK
"L" level: reset.
(tristate)
"L" level: ON (default).
29
harman/kardon
FL8380
"L" level: load.
) "H" level: muting.
s
(tristate)
(tristate)
(tristate)