Sony ZS-SN10 Servis Kılavuzu - Sayfa 31

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Sony ZS-SN10 Servis Kılavuzu
MAIN BOARD IC801 MB90483BPF-G-153E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1 to 6
NC
7
EEP-SCL
8
EEP-SDA
9
VOL-DATA
10
VOL-CLK
11
VSS
12 to 14
SIMUKE1 to SIMUKE3
15
MEGABASS
16
TESTA
17
TESTB
18
SENS
19
DATA
20
CLOK
21
A-MUTE
22
P-CON
23
VCC5
24
TU-ON
25
CD3.3V-ON
26
BACKUP-ON
27
R-COUNT
28
R-DATA
29
R-CLOCK
30
R-CE
31
R-MUTE
32
VM-CONT
33, 34
NC
35
AVCC
36
AVRH
37
AVSS
38
NC
39
KEY1
40
KEY2
41
KEY0
42
VSS
43
3.3V-CHECK
44
VOL-CHECK
45
VH
46
VM
47, 48
P80, P81
49 to 51
MD0 to MD2
52
WP
53
CD DOOR
54
AC-IN
55
XLAT
56
SCOR
57
IREQ
58
IDATA2
59
ODATA2
I/O
—
Not used
O
Serial clock signal output terminal to the EEPROM
I/O
Two-way serial data bus with the EEPROM
O
Serial data output to the electrical volume
O
Serial data transfer clock signal output to the electrical volume
—
Ground terminal
I
For destination setting terminal
O
MEGABASS on/off control signal output terminal
I
For CD test setting terminal Fixed at "H" in this set
I
For LCD test setting terminal Fixed at "H" in this set
I
Internal status (SENSE) signal input from the CD DSP
O
Serial data output to the CD DSP
O
Serial data transfer clock signal output to the CD DSP
O
Audio muting on/off control signal output terminal "H": muting
O
Power control signal output terminal "H": active
—
Power supply terminal (+3.3V)
O
Tuner power on/off control signal output terminal "H": tuner on
O
CD power on/off control signal output terminal "H: CD on
O
CD power select signal output terminal for power off state "L": power off state
I
PLL serial count data input terminal
O
PLL serial data output terminal
O
PLL serial data transfer clock signal output terminal
O
PLL chip enable signal output terminal
O
Tuner muting on/off control signal output terminal "H": active
O
Battery middle voltage (+4.5V) detection circuit control signal output terminal
O
Not used
—
Power supply terminal (+3.3V) (for A/D converter)
I
Reference voltage input terminal (+3.3V) (for A/D converter)
—
Ground terminal (for A/D converter)
O
Not used
I
Key input terminal (A/D input)
I
Key input terminal (A/D input)
I
Key input terminal (A/D input)
—
Ground terminal
I
CD power voltage detection signal input terminal
I
Electrical volume power voltage detection signal input terminal
I
Battery high voltage (+9V) detection signal input terminal
I
Battery middle voltage (+4.5V) detection signal input terminal
I
Not used
I
For mode setting terminal
I
Key interruption processing start signal input terminal
I
CD lid open/close detection switch input terminal "L": CD lid is close
I
AC voltage detection signal input terminal "L": AC in
O
Serial data latch pulse output to the CD DSP
I
Subcode sync (S0+S1) detection signal input from the CD DSP
I
Codec data request signal input from the CD DSP
I
Codec serial data input from the CD DSP
O
Codec serial data output to the CD DSP
Description
ZS-SN10
Ver. 1.3
31