Read Sony DVP-S9 / MHC-S9D Service Manual online
47
DVP-S9
6-22.
IC PIN FUNCTION DESCRIPTION
•
RF BOARD IC001 SP3728AC (DVD/CD RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Description
1, 2
RFIP, RFIN
I
RF signal input terminal
3
CP
—
Tracking LPF terminal
4
WIN
I
Wobble detection signal input terminal Not used (open)
5
WPP
O
Wobble push-pull signal output terminal Not used (open)
6
CN
—
Tracking LPF terminal
7 to 10
A2 to D2
I
Photo detector interface input terminal (AC coupled input for the DPD and wobble)
11 to 14
D to A
I
Photo detector interface input terminal (main)
15 to 18
E to H
I
Photo detector interface input terminal (sub)
19
VC
O
Reference voltage (+2.5V) output terminal
20
VPB
—
Power supply terminal (+5V) (servo block)
21
DVDPD
I
DVD APC signal input terminal
22
CDPD
I
CD APC signal input terminal
23
VNB
—
Ground terminal (servo block)
24
LDSELO
O
APC LD select signal output terminal
25
DVDLD
O
DVD APC signal output terminal
26
CDLD
O
CD APC signal output terminal
27
LDON
I
APC LD output control signal input terminal
28
MEVO
O
Envelope signal output terminal for mirror
29
MIN
I
RF signal input terminal for mirror
30
MP
—
Mirror top hold terminal
31
MB
—
Mirror bottom hold terminal
32
MLPF
—
Mirror LPF terminal
33
MIRR
O
Mirror detect signal output to the servo DSP (IC302)
34
BYP2
—
Servo AGC gain control terminal
35
PII
I
Pull-in signal input terminal
36
PI
O
Pull-in signal output terminal
37
TZC
O
Tracking zero crossing signal output to the servo DSP (IC302)
38
DFT
O
Defect signal output to the servo DSP (IC302)
39
VCI
I
Reference voltage input terminal
40
TZIN
I
Tracking zero crossing signal input terminal
41
TE
O
Tracking error signal output to the servo DSP (IC302)
42
FE
O
Focusing error signal output to the servo DSP (IC302)
43
TPH
—
PI top hold terminal
44
MON
O
Monitor signal output to the servo DSP (IC302)
45
SRD
O
Serial data output to the servo DSP (IC302)
46
SWD
I
serial data input from the servo DSP (IC302)
47
SCLK
I
Serial clock signal input from the servo DSP (IC302)
48
SDEN
I
Serial data enable signal input from the servo DSP (IC302)
49
V33
—
Power supply terminal (+3.3V) (CMOS output buffers)
50
RX
I
Reference resistor input terminal
51
TPA
—
RF top hold terminal
52
MEV
—
RF bottom envelope terminal
53
VNA
—
Ground terminal (RF block and serial port)
54, 55
FNN, FNP
O
Differential filter normal signal output terminal
56, 57
DIP, DIN
I
Analog signal input terminal for RF single buffer
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