41
STR-K5900P/K9900P
Pin No.
Pin Name
I/O
Pin Description
55
HP_DETECT
I
Headphones detection signal input
56
POWER_KEY
I
Power key detection signal input
57
FL_LAT
O
Latch signal output for FL driver IC
58
POWER_RY
O
Power relay driver control signal output
59
FL_DATA
O
Serial data output for FL driver IC
60
FL_CLK
O
Clock signal output for FL driver IC
61
PROTECTOR
I
Protector detection signal input
62
HP_RY
O
Headphones relay driver control signal output
63
FUSE_DETECT
I
Fuse open detection signal input
64
NTSC_PAL_SW
O
Not used (Fixed at L)
65
COMPO_SW2/A1_IN
O
COMPONENT VIDEO switch 2 signal output
66
FRONT_RY
O
Front speaker A relay driver control signal output
67
SP_B_RY
O
Front speaker B relay driver control signal output
68
C/SB_RY
O
Center speaker relay driver control signal output
69
REAR_RY
O
Surround speaker relay driver control signal output
70
SW_RY
O
Sub woofer relay driver control signal output
71
COMPO_SW1/A1_OUT
O
COMPONENT VIDEO switch 1 signal output
72
BRIDGEABLE_RY
O
Bridgeable relay driver control signal output
73
DO
I
Tuner serial data input
74
SLATCH
O
Tuner latch signal output
75
TUNED
I
Tuned signal detection input
76
STEREO
I
Stereo signal detection input
77
RSTX
I
Reset signal input
78
MUTE
O
Tuner mute signal output
79
X1A
—
Not used (Open)
80
X0A
—
Not used (Connect to VSS)
81
VSS
—
Ground
82
X0
—
Clock signal input (24 MHz)
83
X1
—
Clock signal output (24 MHz)
84
VCC3
—
Power supply pin (+3.4 V)
85
GROUPING_SW
O
Not used (Open)
86 to 89
SW1 to SW4
O
Video select signal output
90
SELECT2
O
Not used (Open)
91
SELECT1
O
Not used (Open)
92
BST_SEL
O
96/24 signal output for DSP IC
93
XMODE
O
Xmode signal output for DIR IC
94
CKSEL1
O
Clock select signal output for DIR IC
95
CLK
O
Data clock signal output for DIR IC
96
CE
O
Latch signal output for DIR IC
97
DI
O
Data output for DIR IC
98
DO
I
Data input from DIR IC
99
ERROR
I
Error detection signal input from DIR IC
100
XSTATE
I
Xstate signal input from DIR IC
