Aiwa NSX-SZ2E Service Manual page 22

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IC, LC78641NE-D
3 7 63 1515 0
Pin No. Pin Name
1 PDO1
2 PDO2
3 VVSS
4 PCKIST
5 VVDD
6 FR
7 HFL
8 SLCIST
9 SLCO
10 EFMIN
11 JITTV
12 JITTC
13 BH
14 PH (RFENV)
15 FE
16 TE
17 VREF
18 ADAVDD
19 ADAVSS
TE
L 13942296513
20 PHREF
21 BHREF
22 TBLO
23 TDO
24 FDO
25 SPDO
26 SLDO
27 FG
28 LASER
29 CONT1
30 CONT2
31 CONT3
32 CONT4
33 CONT5
34 PCK
35 C2F
36 VDD
37 DOUT
38 FSX
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I/O
O Internal VCO control phase comparator output pin. (Pull down)
Internal VCO control phase comparator output pin.
O
OFF for rough servo, ON for phase servo. (Pull down)
— Internal VCO ground pin.
— PDO output current adjustment resistor connection pin.
— Internal VCO power supply pin.
— VCO frequency range adjustment resistor connection pin. (Pull up)
I Mirror detection signal input pin.
— SLCO output current adjustment resistor connection pin.
O Control output.
I EFM signal input pin.
O Jitter detection monitor pin. (Not used)
O Jitter detection monitor pin. (Pull down)
I BH signal input pin. (Connected to GND)
I PH signal or RFENV signal input pin.
I FE signal input pin.
I TE signal input pin.
I VREF input pin.
— Servo A/D, D/A power supply pin.
— Servo A/D, D/A ground pin.
O PH reference output pin. (Not used)
O BH reference output pin. (Not used)
O Tracking balance output pin.
O Tracking control output pin.
O Focus control output pin.
O Spindle control output pin.
O Thread control output pin.
I/O Output driver VREF output pin. FG signal input pin. (Connected to GND)
O Laser ON/OFF control pin.
I/O General-purpose input/output pin 1.
I/O General-purpose input/output pin 2.
I/O General-purpose input/output pin 3.
I/O General-purpose input/output pin 4.
I/O General-purpose input/output pin 5. (Not used)
O EFM data playback clock monitor pin. Average 4.3218MHz when the phase is locked. (Not used)
— C2 flag output pin. (Not used)
— Digital power supply pin.
O Digital out output pin. (EIAJ format). (Not used)
O Output pin for the 7.35kHz synchronization signal divided from the crystal oscillator. (Not used)
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