Panasonic SA-PM27E Service Manual page 137

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18.2 IC702 (MN662790RSC) Servo
processor/ Digital signal processor/
Digital filter/ D/A converter
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No. Mark I/O
1 BCLK O N.C.
2 LRCK O N.C.
3 SRDATA O N.C.
4 DVDD1 I Power supply input (for digital circuit)
5 DVSS1 I GND (for digital circuit)
6 TX O Digital audio interface signal output (Latches data at first transition)
7 MCLK I Microprocessor command clock signal input
8 MDATA I Microprocessor command data signal input
9 MLD I Microprocessor command load signal input
10 SENSE O Sense signal output (OFT, FESL, MAGEND, NAJEND, POSAD, SFG) (Not used, open)
11 /FLOCK O Focus servo feeding signal output ("L" : Feed)
12 /TLOCK O Tracking servo feeding signal output ("L" : Feed)
13 BLKCK O Sub-code block clock signal output (BLKCKf = 75Hz during normal playback)
14 SQCK I External clock signal input for sub-code Q resistor
15 SUBQ O Sub-code Q code output
16 DMUTE I Muting input ("H" : mute)
17 STAT O Status signal output(CRC, CUE, CLVS, TTSTVP, FCLV, SQCK)
18 /RST I Reset signal input
19 SMCK O 1/2-diveded clock signal of crystal osscillating at MSEL = "H" (fSMCK = 8.4672 MHz) 1/4-divided clock signal of
crystal oscillating at MSEL = "L" (fSMCK = 4.2336MHz)
20 CSEL I Frequency Selection Terminal H = 33.8688 MHz ; L = 16.9344 MHz
21 TRV O N.C
22 TVD O Traverse drive output
23 PC O Spindle motor ON 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 N.C.
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