Sony RCD-W50C - Cd/cdr Recorder/player, Руководство по обслуживанию

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80
RCD-W50C
6-21. IC Pin Function Description
• IC1
µ
PD70F3033AYGF-3BA CD & SYSTEM CONTROL (MAIN Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43 to 45
46
47
48
49
50
51
I/O
O
O
I
O
O
I
O
O
—
—
I
O
I
O
I
—
O
I
O
O
—
—
O
O
O
—
O
I
O
—
O
O
O
I
I
O
—
O
I
—
—
O
I
O
I
I
I
I
I
Pin Name
FL-LD-DT
FL-LD-CLK
DA-DATA-IN
DA-DATA-OUT
DA-CLK
CD-R IN
CD-R OUT
DA-LATCH
EVDD
EVSS
AC CUT
PWM1
SIRCS
LDON
SUBQ
NC
SQCLK
SENSE
PWM2
PWM3
VPP
NC
X4
CTRL1
DA-RESET
NC
XLT
XRDY
A_MUTE
NC
SCMS
BDRST
XREQ
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLKOUT
ENCODER1 to
ENCODER3
D-OUT ON/OFF
INIT_SW
COUNT_SW
DOOR_SW
MIDOUT_SW
MIDIN_SW
Description
Data output to the FL and LED drivers
Clock output to the FL and LED drivers
Data input from the AD/DA converter (IC500)
Data output to the AD/DA converter (IC500)
Clock output to the AD/DA converter (IC500)
Data input from the
µ
COM (IC501)
Data output to the
µ
COM (IC501)
Data latch signal output to the AD/DA converter (IC500)
Power supply (+5V)
Ground terminal
AC CUT signal input “L” : AC CUT
PWM signal output to FE
SIRCS signal input from the remote control receiver
Laser ON signal output
Sub-code Q serial data input
Not used (open)
Sub-code Q output serial clock output
SENSE signal input from the IC101
PWM signal output toTE
PWM signal output to RFDC
Flash programming power supply
Not used (open)
Disc rotation speed selection signal output
Disc rotation speed selection signal output
Reset signal output to the AD/DA converter (IC500)
Not used (open)
Serial data latch signal output to the IC101
Data ready signal input from the
µ
COM (IC501)
Muting control signal output “L” : ON
Not used (open)
Analog line selection signal output “H” : SCMS ON at SYNC mode
BD reset signal output “L” : reset
Data request signal output to the
µ
COM (IC501)
Reset signal input
Sub-clock input
Sub-clock output
Electrolytic capacitor terminal for the regulator
Ceramic resonator terminal
Ceramic resonator terminal
Ground terminal
Power supply (+5V)
Clock output (open)
Disc tray address detection signal input from the rotary encoder
Not used (open)
INIT detection switch signal input
COUNT detection switch signal input
DOOR detection switch signal input
MIDOUT detection switch signal input
MIDIN detection switch signal input