Sony STR-KM5500 Service Manual page 51

Pin No. Pin Name
56 POWER KEY
57 DCAC INT
58 POWER RY
59 MULTI_ST
60 NIGHT_MODE
61 PROTECTOR
62 HP_RY
63 FUSE_DETECT
64 VOL ENCODER (B)
65 VOL ENCODER (A)
66 C/ SW/ REAR/ SB RY
67 NC
68 Bridgeable RY
69 PRE-OUT SW RY
70 FRONT A (Active SW)
71 SW PROTECTOR
72 NC
73 FL_RESET
74 FL_CLK
75 FL_DATA
76 FL_LAT
77 RSTX
78 Tuner SD
79 X1A
80 X0A
81 Vss
82 X0
83 X1
84 Vcc3
85 +5.8_CTRL (HDMI)
86 P5_SEL A
87 P5_SEL B
88 HDMI_DET
89 DO/ SD/ ST
90 TUNER_CLK
91 TUNER_DATA
92 SLATCH
93 DIR_XMODE
94 DIR_CKSEL 1
95 DIR_CLK
96 DIR_CE
97 DIR_DI
98 DIR_DO
99 DIR_ERROR
100 NC
I/O
I Power key detection signal input
I DCAC data input from DSP EX3 IC
O Power relay driver control signal output
—
Not used
—
Not used
I Protector detection signal input
O Headphone relay driver control signal output
I Fuse open detection signal input
I MASTER VOLUME encoder (B) signal input
I MASTER VOLUME encoder (A) signal input
O Center / surround speaker relay driver control signal output
—
Not used
O Bridgeable relay control signal output
O Sub woofer relay driver control signal output
O Front speaker relay driver control signal output
I Subwoofer protector input pin
—
Not used
—
Reset signal o/p for FL Display Driver IC
O Clock signal output for FL DISPLAY DRIVER IC
O Serial data output for FL DISPLAY DRIVER IC
O Latch signal output for FL DISPLAY DRIVER IC
I Reset signal input
I Tuner detection signal input
— Not used (Open)
— Not used (connect to VSS)
— Ground
I
Clock signal input (24 MHz)
I
Clock signal input (24 MHz)
—
Power Supply pin (+3.3v)
—
HDMI IC +5.8_control
O Switching signal output for IC3504 SN74LV052APWR
Switching signal output for IC3504 SN74LV052APWR
O
I HDMI detection signal input
I Tuner serial data input
O Serial clock signal output for tuner pack
O Serial data output for tuner pack
O Tuner latch signal output
O Xmode signal output for DIR IC
O
Clock select signal output for DIR IC
O Data clock signal output for DIR IC
O Latch signal output for DIR IC
O Data output for DIR IC
I Data input from DIR IC
I Error detection signal input from DIR IC
O Switching signal output for HDMI IC
Description
STR-KM5500
51