Read Sony ZS-XN30 Service Manual online
38
ZS-XN30
CONTROL BOARD IC801 TMP91CY22FG-5GH6 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VREFL
I
Reference voltage input terminal (0V)
2
AVSS
—
Ground terminal
3
AVCC
—
Power supply terminal (+3.3V)
4
RW/ROM
O
CD-ROM/RW or LD on/off selection signal output terminal
5
PWM RF
O
RF offset cancel PWM signal output terminal
6
PWM TE
O
Tracking error offset cancel PWM signal output terminal
7
EEP CSO
O
Chip select signsl output terminal Not used
8
PWM FE
O
Focus error offset cancel PWM signal output terminal
9
LD ON
O
Laser diode on/off control signal output to the automatic power control circuit
“H”: laser diode on
“H”: laser diode on
10
K-SEL
O
DNK selection signal input terminal Not used
11
3.3V REG
I
CD voltage detection signal input terminal
12
XRSTO
O
System reset signal output to the CD DSP “L”: reset
13
FOKI
I
Focus OK signal input from the CD DSP “L”: NG, “H”: OK
14
SCORI
I
Subcode sync (S0+S1) detection signal input from the CD DSP
15
GFSI
I
Guard frame sync signal input from the CD DSP “L”: NG, “H”: OK
16
XLATO
O
Serial data latch pulse output to the CD DSP
17
XSOEO
O
Serial data output enable signal output to CD DSP
18
DATAO
O
Serial data output to the CD DSP
19
SENSIN
I
Internal status (SENSE) signal input from the CD DSP
20
CLKO
O
Serial data transfer clock signal output to the CD DSP
21
R-DATA
O
PLL serial data output terminal
22
R-COUNT
I
PLL serial data input terminal
23
R-CLOCK
O
PLL serial data transfer clock signal output terminal
24
AM0
O
Not used
25
DVCC
—
Power supply terminal (+3.3V)
26
X2
O
System clock output terminal (4.19 MHz)
27
DVSS
—
Ground terminal
28
X1
I
System clock input terminal (4.19 MHz)
29
AM1
O
Not used
30
RESET
I
System reset signal input from the reset signal generator “L”: reset
31
SHIFT1
O
Shift point terminal for oscillation frequency change
32
SHIFT2
O
Not used
33, 34
EMU0, EMU1
O
Not used
35
WP
I
Key interruption processing start signal input terminal
36
AC-IN
O
Not used
37
CD DOOR
I
CD lid open/close detection switch input terminal “L”: CD lid is close
38
REMOTE
I
Remote control signal input terminal Not used
39
R-MUTE
O
Tuner muting on/off control signal output terminal “L”: active
40
R-CE
O
PLL chip enable signal output terminal
41
EEP-SDA
I/O
Two-way serial data bus with the EEPROM
42
EEP-SCL
O
Serial clock signal output terminal to the EEPROM
43
ALE
O
Not used
44 to 51
LCD-AD0 to
LCD-AD7
O
LCD serial data output terminal
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