Sony CDP-XE570 Service Manual ▷ View online
17
17
CDP-XE570
6-7. SCHEMATIC DIAGRAM MAIN SECTION
• See page 22 for IC Block Diagram.
IC B/D
18
18
CDP-XE570
6-8. PRINTED WIRING BOARD DISPLAY SECTION
• See page 12 for Circuit Board Location.
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
16
IC501
IC502
Ref. No.
Location
IC501
B-4
IC502
C-11
Q501
B-5
Q502
B-5
• Semiconductor
Location
19
19
CDP-XE570
6-9. SCHEMATIC DIAGRAM DISPLAY SECTION
• See page 20 for IC Pin Functions. • See page 13 for waveform.
20
20
CDP-XE570
6-10. IC PINFUNCTIONS
• Abbreviation
FL : Fluorescent indicator tube
Pin No.
Pin Name
I/O
Function
41
VSS
–
Ground
42
TX
–
Not used
43
TEX
–
Connected to ground
44
VDD (+5V)
–
Power supply (+5V)
45
VFDP (–30V)
–
Pull down voltage (–30V)
46
XSEL
O
Not used
47
—
–
Not used
48 to 58
OPEN
–
Not used
59 to 61
VDD (+5V)
–
Power supply (+5V)
62 to 66
OPEN
–
Not used
67 to 87
S21 to S1
O
FL segment signal output
88
1G
O
FL grid signal output
89
VDD (+5V)
–
Power supply (+5V)
90 to 100
2G to 12G
O
FL grid signal output
• IC501 MASTER CONTROL (CXP82832-033Q)(DISPLAY BOARD)
Pin No.
Pin Name
I/O
Function
1
13G
O
FL grid signal output
2
14G
O
FL grid signal output
3
NC
–
Connected to VDD
4
NC
–
Connected to VDD
5
SCOR
I
Sub code sync input
6, 7
NC
I
Connected to VDD
8
RMIN
I
Remote control signal input
9
NC
–
Connected to VDD
10, 11
NC
–
Not used (Open)
12
LD OUT
O
Loading motor control
13
LD IN
I
Loading motor control
14
SENS
I
Sense signal input
15
XLT
O
Serial latch output
16
NC
O
Not used (Open)
17
NC
O
Not used (Open)
18
NC
–
Not used (Open)
19
BUSOUT
O
CONTROL-A1 transmission output
20
BUSIN
I
CONTROL-A1 receive input
21
NC
–
Not used (Open)
22
CLK
O
Serial clock output
23
LDON/RW/OFF
O
Optical pick-up laser diode control output
24
DATA
O
Serial data output
25
SQCK
O
Subcode Q data readout clock output
26
SQSO
I
Subcode Q data input
27
DACS
O
Not used (Open)
28
AVREF
I
Analog reference voltage input
29
ADJ/AFADJ/BD TEST
I
Test mode terminal
30
IN/OUT SW
I
IN SW/OUT SW
31
KEY 0
I
Key input
32
KEY 1
I
Key input
33
KEY 2
I
Key input
34
NC
O
Not used (Open)
35
NC
O
Not used (Open)
36
NC
O
Not used (Open)
37
AVSS
–
Analog ground
38
RST
I
Reset signal input
39
EXTAL
I
8 MHz clock input
40
XTAL
O
8 MHz clock output
• Abbreviation
FL : Fluorescent indicator tube
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