Chapter 8. Others; Function Table Of Ic - Sharp CD-MPS700 Service Manual

E CHAPTER 8. Market CD-MPS700 Service Manual CD-MPS700 Audio
OTHERS

[1] Function table of IC

IC1 VHiLC78648E-1: CD Servo (LC78648E) (1/2)
Pin No. Terminal Name Input/Output
1 AVDD1
2 SLCO
3 EFMIN
4 RF
5 LPF
6 JITTC
7 AIN
8 CIN
9 BIN
10 DIN
11 FEC
12* PHLPF/RFMON
13 VREF
14 EIN
15 FIN
16 TEC
17 TE
18 TEIN
19 LDD
20 LDS
21 FDO
22 TDO
23 SLDO
24 SPDO
25 AVSS2
26 AVDD2
27 DVDD
28 DVSS
29* VPB
30* DEFECT
31* FSEQ
32 EFLG
33* FSX
34 CONT1
35 CONT2
36 CONT3
37* MONI1
38* MONI2
39* DOUT
40 TEST
41 LVDD
42 LCHO
43 LRVSS
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Setting in Reset
Output —
Output —
Input —
Output —
Output —
Input —
Input —
Input —
Input —
Input —
Output
Output ZHI
Output AVDD1/2
Input —
Input
Output
Output —
Input —
Output —
Input —
Output ADAVDD/2
Output ADAVDD/2
Output ADAVDD/2
Output ADAVDD/2
— —
— —
— —
— —
Output H
Output L
Output L
Output L
Output L
Input/Output Input
Input/Output Input
Input/Output Input
Input/Output Input
Output L
Output L
Input L
— —
Output LVDD/2
— —
Analog power supply pin 1.
Slice level Control output pin.
slice level con-
trol. RF signal input pin.
RF signal Output pin.
RF signal DC level detection LPF capacitor connection pin.
Jitter detection capacitor connection pin.
A signal input pin.
C signal input pin.
B signal input pin.
D signal input pin.
FE signal LPF capacitor connection pin.
Reference supply setting terminal.
VREF voltage output pin.
E signal input pin.
F signal input pin.
TE signal LPF capacitor connection pin.
TE signal output pin.
TES signal generation TE signal input pin
Laser power control signal output pin.
Laser power control signal input pin.
Focus control output pin. D/A output.
Tracking control output pin. D/A output.
Thread control output pin. D/A output.
Spindle control output pin. D/A output.
Analog GND pin 2. Must always be connected to 0 V.
Analog power supply pin 2.
Digital power supply pin.
Digital GND pin 2. Must always be connected to 0 V.
Rough servo/phase control automatic switching monitor output pin."H" for rough
servo and "L" for phase servo.
Defect signal output pin.
Synchronization signal detection output pin.
Outputs a high level when the Synchronization signal detection from the EFM
signal and the internally generated Synchronization signal agree.
C1, C2 error correction monitor pin
7.35 kHz Synchronization signal output pin.
CLV playback mode.
General pur- Controlled by command from the microprocessor. Any of these
pose I/O pin 1. that are unused must be either set up as input pin ports and
connected to 0 V, or set up as output pin ports and left open.
General pur-
pose I/O pin 2.
General pur-
pose I/O pin 3.
External deiemphasis setting pin, INternal signal monitor pin 1. Controlled by
microprocessor.
Internal signal monitor pin 2.
Digital OUT output Pin. (EIAJ format)
Test input pin. Must always be connected to 0 V.
L channel Power supply pin.
Left channel
D/A converter
L channel output supply pin.
LR channel GND pin. Must always be connected to 0 V.
8 – 1
CD-MPS700
Function