Aiwa XD-DV170 Service Manual page 42

IC DESCRIPTION - 5/8 (LC78660W)-1/4
Pin No. Pin Name
1 RFPI
2 TEST0
3 DVDD2
4 DVSS
5 AD5/BH
6 AD4/PH/TE
7 AD3
8 AD2
9 AD1/JV
10 AD0/RREC
11 RF_PH
12 RF_BH
13 TE
14 FE
15 TEST0
16 EFMINP
17 TEST1
18 EFMINN
19 SLCLPF0
20 SLCLPF1
21 SLC01
22 SLC02
23 AVDD1
24 ADSS
25 VREF
26 SLCBIAS
27 TESBIAS
28 HFLBIAS
29 OFSET
30 BCA
31 BOOT3T
32 RFVCA
33 TBAL
34 FBAL
35 SGC
36 SLSO
37 SPDO
38 TDO
39 FDO
40 DVSS
41 DVDD0
I/O
I RF input port pin. (Pull down)
I/O Tracking margin signal I/O pin.
— A/D D/A internai logic power supply. [Digital 5V]
— Digital GND.
I Servo A/D input pin. (AD5: Assistant input 5)
I Servo A/D input pin. (AD4: Assistant input 4)
I Servo A/D input pin. (AD3: Assistant input 3)
I Servo A/D input pin. (AD2: Assistant input 2)
I Servo A/D input pin. (AD1: Assistant input 1)
I Servo A/D input pin. (AD0: Assistant input 0)
I Servo A/D input pin. (RF_PH: RF peak hold signal)
I Servo A/D input pin. (RF_BH: RF bottom hold signal)
I Servo A/D input pin. (TE: Tracking error signal)
I Servo A/D input pin. (FE: Focus error signal)
I Test input pin 0. (L Fixed)
I EFM/EFM+input pin.
I Test input pin 1. (L Fixed)
I EFM-input pin.
— SLC LPF pin.
— SLC LPF pin.
— SLC control pin.
— SLC control pin.
— A/D D/A SLC power supply. [Analog 5V]
— Analog GND.
O Servo D/A standerd voltage.
O Servo D/A output pin. (SLCBIAS: SLC standerd voltage signal)
O Servo D/A output pin. (TESBIAS: TES standerd voltage signal)
O Servo D/A output pin. (HFLBIAS: HFL standerd voltage signal)
O Servo D/A output pin. (OFSET: Assistant signal)
O Servo D/A output pin. (BCA: Assistant signal)
O Servo D/A output pin. (BOOT3T: Assistant signal)
O Servo D/A output pin. (RFVCA: Assistant signal)
O Servo D/A output pin. (TBAL: Tracking balance control signal)
O Servo D/A output pin. (FBAL: Focus balance control signal)
O Servo D/A output pin. (SGC: Assistant signal)
O Servo D/A output pin. (SLSO: Thread control signal)
O Servo D/A output pin. (SPDO: Spindle control signal)
O Servo D/A output pin. (TDO: Tracking control signal)
O Servo D/A output pin. (FDO: Focus control signal)
— Digital GND.
— Internal logic power supply. [Digital 3.3V]
Description
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