Sony SCD-XA1200ES Service Manual ▷ View online
33
SCD-XA1200ES
•
IC Pin Function Description
WALTZ-RF BOARD IC001 SP3726A (SA-CD/CD RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Description
1
RFIP
I
RF signal input from the optical traverse unit
2
RFIN
I
RF signal input terminal Not used
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 traverse unit
(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 traverse unit (main)
15, 16
E, F
I
Photo detector interface input from the optical traverse unit (sub)
17
SIGDETB
O
Signal detection signal output terminal Not used
18
INTR
I
Interruption control signal input terminal Not used
19
VC
O
Reference voltage (+2.5V) output to the optical traverse unit
20
VPB
-
Power supply terminal (+5V) ( for servo block)
21
PGSELO
O
PDIC gain selection signal output terminal Not used
22
PD
I
Automatic power control signal input from the optical traverse unit
23
VNB
-
Ground terminal (for servo block)
24
LDSELO
O
Automatic power control laser diode selection signal output to the optical traverse unit
25
DVDLD
O
SA-CD automatic power control signal output terminal
26
CDLD
O
CD automatic power control signal output terminal
27
XLDON
I
Laser diode on/off control signal input from the master controller "L": laser diode on
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 SA-CD/CD decoder
34
BYP2
-
Servo AGC gain control terminal
35
PII
I
Pull-in signal input terminal
36
PI
O
Pull-in signal output to the SA-CD/CD decoder
37
TZC
O
Tracking zero crossing signal output to the SA-CD/CD decoder
38
DFT
O
Defect signal output to the SA-CD/CD decoder
39
VCI
I
Middle point 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 SA-CD/CD decoder
42
FE
O
Focusing error signal output to the SA-CD/CD decoder
43
TPH
-
Pull-in top hold terminal
44
MON
O
Monitor signal output to the SA-CD/CD decoder
45
SRD
O
Serial data output to the SA-CD/CD decoder
46
SWD
I
Serial data input from the SA-CD/CD decoder
47
SCLK
I
Serial data transfer clock signal input from the SA-CD/CD decoder
48
SDEN
I
Chip select signal input from the SA-CD/CD decoder
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
34
SCD-XA1200ES
Pin No.
Pin Name
I/O
Description
53
VNA
-
Ground terminal (for 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
58
BYP
-
RF AGC gain control terminal
59
SIGO
O
Single-ended RF signal output to the SA-CD/CD decoder
60
VPA
-
Power supply terminal (+5V) (for RF block and serial port)
61, 62
AIP, AIN
I
AGC amplifier signal input terminal
63, 64
ATON, ATOP
O
Differential attenuator signal output terminal
35
SCD-XA1200ES
MAIN BOARD IC705 HD6432238RP02TEV (MASTER CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SDATA_DAC
O
Serial data output to the D/A converter
2
SCLK_DAC
O
Serial data transfer clock signal output to the D/A converter
3
SLATR_DAC
O
Serial data latch pulse signal output to the D/A converter
4 to 11
CD0 to CD7
I/O
Two-way data bus with the SA-CD/CD decoder
12
CVCC
-
Power supply terminal (+3.3V)
13
CA0
O
Address signal output to the SA-CD/CD decoder
14
VSS0
-
Ground terminal
15 to 22
CA1 to CA8
O
Address signal output to the SA-CD/CD decoder
23, 24
PB1, PB2
O
Not used
25
LOAD_S0
I
Loading in detection switch input terminal
26
LOAD_S2
I
Detection switch input terminal Not used
27
LOAD_S1
I
Loading out detection switch input terminal
28
TSENS
I
Disc tray status detection signal input terminal Not used
29
DSENS
I
Disc in detection signal input terminal Not used
30
TRAY_IN
O
Loading motor drive signal (disc tray in direction) output terminal
31
RS232CTX
O
Transmit data output terminal Not used
32
RS232CRX
I
Receive data input terminal Not used
33
TRAY_OUT
O
Loading motor drive signal (disc tray out direction) output terminal
34
P10
O
Not used
35
DRV_ON
O
Stop signal output for the sled motor and focus/tracking coil
36
SP_ON
O
Stop signal output for the spindle motor
37
P13
O
Not used
38
XLDON
O
Laser diode on/off control signal output to the SA-CD/CD RF amplifier "L": laser diode on
39, 40
TRMP, TRMM
O
Tray motor control signal output terminal Not used
41
P17
O
Not used
42
AVSS
-
Ground terminal
43
DIAG
I
DIAG mode on/off control signal input terminal Not used
44
P96
I
Not used
45 to 50
P47 to P42
I
Not used
51
MODEL
I
Model setting terminal
52
JIT
I
Jitter value input from the SA-CD/CD decoder
53
VREF
I
Reference voltage input terminal
54
AVCC
-
Power supply terminal (+3.3V)
55, 56
MD0, MD1
I
CPU operation mode setting terminal
57
OSC2
O
Sub system clock output terminal Not used
58
OSC1
I
Sub system clock input terminal Not used
59
XRST
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
60
XNMI
I
Non-maskable interrupt signal input terminal Not used
61
XSTBY
I
Standby on/off control signal input terminal Not used
62
VCC
-
Power supply terminal (+3.3V)
63
XTAL
O
Main system clock output terminal Not used
64
VSS1
-
Ground terminal
65
EXTAL
I
Main system clock input terminal (11.2896 MHz)
66
FWE
I
Write enable signal input terminal for flash memory Not used
67
MD2
I
CPU operation mode setting terminal
36
SCD-XA1200ES
Pin No.
Pin Name
I/O
Description
68
PF7
O
Not used
69
AS
O
Not used
70
XRD
O
Read enable signal output to the SA-CD/CD decoder
71
XWR
O
Write enable signal output to the SA-CD/CD decoder
72
XWRST
O
Reset signal output to the SA-CD/CD decoder "L": reset
73
XWAIT
I
Wait signal input from the SA-CD/CD decoder
74
SMUTE
O
Soft muting on/off control signal output to the SA-CD/CD decoder "H": muting on
75
EPR/B
I
Read/busy signal input from the EEPROM
76
XEPCS
O
Chip select signal output to the EEPROM
77
XEWC
O
WC signal output to the EEPROM
78
P32
O
Not used
79
EEPSO
O
Serial data output to the EEPROM
80
EEPSI
I
Serial data input from the EEPROM
81
EEPSCK
O
Serial data transfer clock signal output to the EEPROM
82
P36
O
Not used
83
IFSO
O
Serial data output to the display controller
84
IFSI
I
Serial data input from the display controller
85
IFSC
O
Serial data transfer clock signal output to the display controller
86
P74
O
Not used
87
XCS
O
Chip select signal output to the SA-CD/CD decoder
88 to 90
P72 to P70
I
Not used
91
XIFINT
I
Interrupt signal input from the display controller
92
XINT0
I
Interrupt signal input from the SA-CD/CD decoder
93
PG2
I
Not used
94
MZR
I
Zero data (R-CH) flag detection signal input from the D/A converter
95
MZL
I
Zero data (L-CH) flag detection signal input from the D/A converter
96
XIFCS
O
Chip select signal output to the display controller
97
R_MUTE
O
Muting on/off control signal (for R-ch) output terminal "L": muting on
98
L_MUTE
O
Muting on/off control signal (for L-ch) output terminal "L": muting on
99
INIT_DAC
O
Initilize signal output terminal Not used
100
M/2
O
Multi/2ch selection signal output terminal "L": 2ch "H": multi
Click on the first or last page to see other SCD-XA1200ES service manuals if exist.