Read Sony DVP-CX777ES Service Manual online
104
DVP-CX777ES
•
MB BOARD IC201 SP3726A (CD/DVD/SACD RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Description
1, 2
RFIP, RFIN
I
RF signal input from the optical pick-up block
3
CP
—
Tracking low-pass filter terminal
4
WIN
I
Wobble detection signal input terminal Not used
5
WPP
O
Wobble push-pull signal output terminal Not used
6
CN
—
Tracking low-pass filter terminal
7 to 10
A2 to D2
I
Photo detector interface input from the optical pick-up block
(AC coupled input for the DPD and wobble)
(AC coupled input for the DPD and wobble)
11 to 14
D to A
I
Photo detector interface input from the optical pick-up block (main)
15, 16
E, F
I
Photo detector interface input from the optical pick-up block (sub)
17
SIGDET B
O
Signal detection signal output to the DSP
18
INTR
I
Interruption control signal input from the DSP
19
VC
O
Reference voltage (+2.5V) output to the optical pick-up block
20
VPB
—
Power supply terminal (+5V) ( for servo block)
21
PGSELO
O
PDIC gain selection signal output to the optical pick-up block
22
PD
I
Automatic power control signal input from the optical pick-up block
23
VNB
—
Ground terminal (for servo block)
24
LDSELO
O
Automatic power control laser diode selection signal output to the optical pick-up block
25
DVDLD
O
DVD automatic power control signal output terminal
26
CDLD
O
CD automatic power control signal output terminal
27
LDONB
I
Laser diode output control signal input from the system controller
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 low-pass filter terminal
33
MIRR
O
Mirror signal output to the DSP
34
BYP2
—
Servo AGC gain control terminal
35
PII
I
Pull-in signal input terminal
36
PI
O
Pull-in signal output to the DSP
37
TZC
O
Tracking zero crossing signal output to the DSP
38
DFT
O
Defect signal output to the DSP
39
VCI
I
Reference voltage input from the motor/coil driver
40
TZIN
I
Tracking zero crossing signal input terminal
41
TE
O
Tracking error signal output to the DSP
42
FE
O
Focusing error signal output to the DSP
43
TPH
—
Pull-in top hold terminal
44
MON
O
Monitor signal output to the DSP
45
SRD
O
Serial data output to the DSP
46
SWD
I
Serial data input from the DSP
47
SCLK
I
Serial clock signal input from the DSP
48
SDEN
I
Serial data enable signal input from the DSP
49
V33
—
Power supply terminal (+3.3V) (for CMOS output buffers)
50
RX
I
Reference resistor input terminal
51
TPA
—
RF top hold terminal
52
MEV
—
RF bottom envelope terminal
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