Read Sharp SD-EX100H (serv.man18) Service Manual online
SD-EX100H
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IC702 VHiTC94A14F-1: Servo/Signal Control (TC94A14F) (1/2)
1
BCK
Output
Bit clock output terminal
At constant speed:
3-5I/F
32 fs, 48 fs and 64 fs selectable according to commands
32 fs = 1.4112 MHz
2
LRCK
Output
LR Channel clock output terminal. "L" for Channel L, "H" for Channel R.
At constant speed:
3-5I/F
Output polarity invertible by command
44.1kHz
3
AOUT
Output
Audio data output terminal.
3-5I/F
MSB/LSB First selectable by command
4
DOUT
Output
Digital-out output terminal.
In accordance with
3-5I/F
Output up to double speed possible
CP-1201
5*
IPF
Output
Correction flag output terminal
Also known as
3-5I/F
When AOUT output in C2 correction output is uncorrectable symbol: "H"
“C2PO”
6
VDD3
Input
Digital 3.3 V power supply terminal
7
VSS3
—
Digital GND terminal
8
SBOK
Output
Output terminal for CRCC judgment result of Sub Code Data Q
3-5I/F
When judgment result is OK: "H"
9*
CLCK
Input/Output
Clock input-output terminal for reading Sub-code P – W data
On entry: Schmitt
3-5I/F
Input/Output polarity selectable by command
10*
DATA
Output
Sub-code P – W data output terminal
3-5I/F
11*
SFSY
Output
Regenerative frame sink signal output terminal
3-5I/F
12*
SBSY
Output
Sub-code block sink output terminal
3-5I/F
When sub-code sink is detected: "H" at the position of S1
13
IO0
Input/Output
General propose input-output terminal. Input port during reset.
On entry: Schmitt
3-5I/F
14*
IO1
Input/Output
3-5I/F
15
PVDD3
Input
3.3 V Terminal exclusively for PLL system
16
PDO
Output
Output terminal for phase error signal of signals EFM and PLCK
Four-valued output
AI/F
(PVDD3,HiZ,PVREF,AVSS3)
17
TMAX
Output
TMAX Detection result output terminal
Three-valued output
AI/F
(PVDD3,HiZ,AVSS3)
18
LPFN
Input
Inverting input terminal of amplifier for PLL low pass filter
Analog input
AI/F
19
LPFO
Output
Output terminal of amplifier for PLL low pass filter
Analog output
AI/F
20
PVREF
—
VREF Terminal exclusively for PLL
21
VCOF
Output
Filter terminal for VCO
Analog output
AI/F
22
AVSS3
—
Analog GND terminal
23
SLCO
Output
DAC Output terminal for producing data slice level
Analog output
AI/F
24
RFI
Input
RF Signal input terminal. Zin selectable by command.
Analog input
AI/F
25
AVDD3
Input
Analog 3.3 V power supply terminal
26
RFCT
Input
RFRP Signal center level input terminal
Analog input
AI/F
Zin = 33k
Ω
27
RFZI
Input
RFRP Signal zerocross input terminal
Analog input
AI/F
28
RFRP
Input
RF Ripple signal input terminal
Analog input
AI/F
29
FEI
Input
Focus error signal input terminal
Analog input
AI/F
30
SBAD
Input
Sub beam counting signal input terminal
Analog input
AI/F
Terminal
Name
Input/
Output
Function
Remarks
Terminal
No.
TMAX Detection result
TMAX Output
"PVDD3"
"HiZ"
"AVSS3"
Longer than the specified period
Within the specified period
Shorter than the specified period
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
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