Sony CSX-V58MP Service Manual page 18

System up vcd/mp3 player
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CSX-V58MP
• IC801 µPD780076GK-542-9ET (MASTER CONTROL) (MAIN BOARD)
Pin No.
Pin Name
1
2
CDDA_LED
3 to 5
6
P_MSRQ
7
P_SYS_RESET
8
P_MCS
9
VSS0
10
VDD0
11
PAUSE_ON_LED
12
VCD_IN_LED
13
MP3_IN_LED
14
CD_IN_LED
15
P_MSI
16
P_MSO
17
P_MCLK
18
UNI_SI
19
UNI_SO
20
UNI_CKI
21
UNI_DATA_CHK
22
LINK_OFF
23
24
VDD1
25
AVSS
26 to 29
30
EJECT/PAUSE
31
TEST
32
P_PARK
33
34
AVREF
35
AVDD
36
RESET
37
XT2
38
XT1
39
IC
40
X2
41
X1
42
VSS1
43
KEY_ACK
44
BUS_ON
45
SELF_SW
46
BU_IN
47
MUTE
48
ILL_ON
49
PAL/NTSC
50 to 64
18
I/O
I
Not used. (Open)
O
CD LED control output
I
Not used. (Open)
I
Serial request input from CD system control IC (IC513).
O
Slave microcomputer hard reset output for CD system control IC (IC513).
O
Chip select output for CD system control IC (IC513).
Ground
Power supply pin (+5 V)
O
PAUSE LED control output
O
VCD LED control output
O
MP3 LED control output
O
DISC IN LED control output
I
Serial input from CD system control IC (IC513).
O
Serial output for CD system control IC (IC513).
O
Serial clock output for CD system control IC (IC513).
I
SONY BUS serial input from BUS interface IC (IC803).
O
SONY BUS serial output for BUS interface IC (IC803).
I
SONY BUS serial clock input from BUS interface IC (IC803).
I
SONY BUS serial data check input from BUS interface IC (IC803).
O
Link off output for bus interface IC (IC803).
I
Not used. (Open)
Power supply pin (+5 V)
Analog ground
I
Not used. (Open)
I
Key input (EJECT and PAUSE)
I
Test pin
I
Parking brake signal input
I
Not used. (Open)
Power supply (minus) pin for A/D converter.
Power supply (plus) pin for A/D converter.
I
Master reset input
O
Sub clock output (Not used in this set)
I
Sub clock input (Not used in this set)
Not used. (Connect to VSS in this set)
O
Master clock output (8.38 MHz)
I
Master clock input (8.38 MHz)
Ground
I
Key acknowledge detection input
I
BUS ON signal input
I
Disc self store switch (SW2) input
I
Back-up power supply detection input
O
Mute on control output
O
Illumination power supply control output
I
PAL/NTSC select output (L: NTSC, H: PAL)
I
Not used. (Open)
Pin Description

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