– 66 –
I/O
I
I
O
—
I
O
O
O
—
I
I
I
—
I
—
—
O
—
—
—
I
I
—
—
I
O
O
O
I
O
O
O
O
—
O
—
O
—
O
I
—
—
—
—
—
—
O
O
O
—
Description
Display master request (Connected to MB90570 U.MREQ)
Display data (Connected to MB90570 U.DATA)
Slave data/request (Connected to MB90570 U.SREQ)
Power supply +5 V
Display clock (Connected to MB90570 U.CLOCK)
To tuner LC7821 latch
To tuner LC7821 data
To tuner LC7821 clock
Not used (Connected to ground)
PLL data input
Auto stop input
Stereo input
Ground
AC power check
Not used (Connected to ground)
Not used (Connected to ground)
Error output LC8904
Not used (Connected to ground)
Not used (Connected to ground)
Not used
U or CED or J
U or CED or J
Not used (Not connected, open)
Not used (Not connected, open)
To LC8904AQ C-bit
To LC8904AQ data
To LC8904AQ latch
To LC8904AQ clock
Protector input
To NJM2296 video select switch 4
To NJM2296 video select switch 3
To NJM2296 video select switch 2
To NJM2296 video select switch 1
IC muting (Not connected, open)
Function muting
Hardware standby (Connected to power supply +5 V)
MD 2
MD 1 (Connected to power supply +5 V)
MD 0
Reset
Ground (Connected to ground)
External ceramic filter 4 MHz is connected to this terminal
External ceramic filter 4 MHz is connected to this terminal
Power supply +5 V
Flash memory rewrite (Connected to ground)
Flash memory rewrite (Connected to ground)
Tuner muting
Surround muting
4/8 relay
Not used
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Name
DISPMR
DISPDATA
SLVDATA/REQ
VCC
DISPCLK
S.LAT
S.DATA
S.CLK
—
DATAIN
AUTOSTOP
STEREO
VSS
STOP
—
—
ERROR
—
—
—
VERSION1
VERSION2
X1A
X0A
SRDT
SWDT
XLAT
SCLK
PROTEC
VIDEO(SW4)
VIDEO(SW3)
VIDEO(SW2)
VIDEO(SW1)
ACMUTE
F.MUTE
HSTX
MD2
MD1
MD0
RESET
VSS
X0
X1
VCC
PO0
PO1
TUNERMUTE
SURRMUTE
RY-4/8
—
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