Sony STR-DG520 Service Manual page 49

Pin No. Pin Name
59 TUNING_A
60 TUNING_B
61 PROTECTOR
62 HP_RY
63 FUSE_DETECT
64 VOL_ENCODER(B)
65 VOL_ENCODER(A)
66 C/SW/REAR/SB_RY
FRONT_A_RY for PAS-
67 SIVE SW MODEL/ST
SW RY
68 DC-CONTROL
69 PRE-OUT SW_RY
FRONT_A_RY for AC-
70
TIVE SW MODEL
71 to 73 NC
74 FL_CLK
75 FL_DATA
76 FL_LAT
77 RSTX
78 NC
79 X1A
80 X0A
81 VSS
82 X0
83 X1
84 VCC3
+5.8V_CTRL(HDMI)/
85
NC
86 RESET_HDMI/OEB
+5V_CTRL(HDMI)/
87
CTRL
88 HDMI_DET
89 DO/SD/ST
90 TUNER_CLK
91 TUNER_DATA
92 SLATCH
93 DIR_XMODE
94 DIR_CKSEL1
95 DIR_CLK
96 DIR_CE
97 DIR_DI
98 DIR_DO
99 DIR_ERROR
100 DIR_XSTATE
I/O
O Not used (Open)
O Not used (Open)
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
O Not used (Open)
O Not used (Open)
O Sub woofer relay driver control signal output
O Front speaker relay driver control signal output
O Not used (Open)
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
O Not used (Open)
— Not used (Open)
— Not used (Connect to VSS)
— Ground
— Clock signal input (24 MHz)
— Clock signal output (24 MHz)
— Power supply pin (+3.3 V)
O Not used (Fixed at L)
O HDMI OEB signal output
O HDMI control signal output
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
I Xstate signal input from DIR IC
Description
STR-DG520
49