Read Sharp CD-C607H (serv.man4) Service Manual online
CD-C607H/611H
– 42 –
1
DEF1
Input
Input terminal of defect detection signal (DEF). (Connected to OV when not used.)
2
TA1
Input
For PLL
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
3
PDO
Output
For PLL
Output terminal of phase comparison for external VCO control.
4
VVSS
—
For PLL
Ground terminal for integrated VCO. Surely connected to 0V.
5
ISET
Input
For PLL
Resistance connection terminal for current adjustment of PDO output.
6
VVDD
—
For PLL
Power terminal for integrated VCO.
7
FR
Input
For PLL
VCO frequency range adjustment.
8
VSS
—
Ground terminal of digital system. Surely connected to 0V.
9
EFMO
Output
For slice level control
EFM signal output terminal.
10
EFMIN
Input
For slice level control
EFM signal input terminal.
11
TEST2
Input
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
12
CLV+
Outout
Output for disc motor control. 3 values can be output with the commands.
13
CLV-
Output
Output for disc motor control. 3 values can be output with the commands.
14
V/P
Output
Monitor output terminal for automatic switch of rough servo/phase control.
"H" for rough servo, and "L" for phase servo.
"H" for rough servo, and "L" for phase servo.
15
HLF
Intput
Input terminal of track detection signal. Schmit input.
16
TES
Input
Input terminal of tracking error signal. Schmit input.
17
TOFF
Output
Tracking OFF output terminal.
18
TGL
Output
Output terminal for switch of tracking gain "L" increases the gain.
19
JP+
Output
Output for track jump control. 3 values can be output with the commands.
20
JP-
Output
Output for track jump control. 3 values can be output with the commands.
21*
PCK (NC)
Output
Clock monitor terminal for EFM data replay. 4,3218MHz as the phase clock.
22*
FSEQ (NC)
Output
Output terminal synchronous signal detection. "H" is output when synchronous signal detected
by EFM signal matches synchronous signal internally generated.
by EFM signal matches synchronous signal internally generated.
23
VDD
—
Power terminal of digital system.
24
CONT1
Input/Output
General purpose input/output terminal 1
25
CONT2
Input/Output
General purpose input/output terminal 2
26
CONT3
Input/Output
General purpose input/output terminal 3
27
CONT4
Input/Output
General purpose input/output terminal 4
28*
CONT5
Input/Output
General purpose input/output terminal 5
29*
EMPH (NC)
Output
Difference monitor terminal At "H", deemphasis disk is being replayed.
30*
C2F (NC)
Output
C2 flag output terminal.
31*
DOUT (NC)
Output
Output terminal of digital OUTPUT. (EIAJ format)
32*
TEST3 (NC)
Input
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
33
TEST4
Input
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
34
PCCL
Input
CD general-use port control signal.
35*
MUTEL (NC)
Output
L channel 1 bit DAC
Mute output terminal for L channel.
36
LVDD
—
L channel 1 bit DAC
Power terminal for L channel.
37
LCHO
Output
L channel 1 bit DAC
L channel output terminal.
38
LVSS
—
L channel 1 bit DAC
Ground terminal for L channel. Surely connected to 0V.
39
RVSS
—
R channel 1 bit DAC
Ground terminal for R channel. Surely connected to 0V.
40
RCHO
Output
R channel 1 bit DAC
R channel output terminal.
41
RVDD
—
R channel 1 bit DAC
Power terminal for R channel.
42*
MUTER (NC)
Output
R channel 1 bit DAC
Mute output terminal for R channel.
43
XVDD
—
Power terminal for quartz oscillation.
44
XOUT
Output
Ground terminal of 16.9344 MHz quartz oscillator.
45
XIN
Input
Ground terminal of 16.9344 MHz quartz oscillator.
46
XVSS
—
Ground terminal for quartz oscillation. Surely connected to 0V.
47*
SBSY (NC)
Output
Output terminal of synchronous signal of subcode block.
48*
EFLG (NC)
Output
Correction monitor terminal of C1, C2, single and double.
49*
PW (NC)
Output
Output terminal of subcodes P, A, R, S, T, U and W.
IC2 VHiLC78622N-1: Servo/Signal Control (LC78622N) (1/2)
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Controlled with serial data command
from microcomputer.
When not used, set it as the input terminal and
open it by connecting to 0V, or set it as the output
terminal and open it.
from microcomputer.
When not used, set it as the input terminal and
open it by connecting to 0V, or set it as the output
terminal and open it.
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