Service Manual

48
STR-K1600
Ver. 1.1
Pin No. Pin Name I/O Pin Description
53 RDS_DATA I RDS data input (Not used in this set)
54 SIRCS I SIRCS signal input
55 HP_DETECT I Headphones detection signal input
56 POWER_KEY I Power key detection signal input
57 ADCC_INT I ADCC data input from DSP IC
58 POWER_RY O Power relay driver control signal output
59 VOL IC_CL O Clock signal output for DIR IC
60 VOL IC_DA O Serial data and latch output for DIR IC
61 PROTECTOR I Protector detection signal input
62 HP_RY O Headphone relay driver control signal output
63 FUSE_DETECT I Fuse open detection signal input
64 VOL_ENCODER(B) I MASTER VOLUME encoder (B) signal input
65 VOL_ENCODER(A) I MASTER VOLUME encoder (A) signal input
66 FRONT_A_RY O Front speaker relay driver control signal output
67 FRONT_B_RY O Front B speaker relay driver control signal output (Not used in this set)
68 DC-CONTROL O DCAC DC-BIAS switch control signal output (Not used in this set)
69 C/REAR/SB_RY O Center/surround/surround back speaker relay driver control signal output
70 SW_RY O Sub woofer relay driver control signal output
71 NC O Not used (Open)
72 BRIDGEABLE_RY O Bridgeable relay driver control signal output
73 DO/SD/ST I Tuner serial data input
74 SLATCH O Tuner latch signal output
75 V_SW3 O Video SW3 signal output for INPUT SELECT IC
76 V_SW4 O Video SW4 signal output for INPUT SELECT IC
77 RSTX I Reset signal input
78 COMP MUTE O COMPONENT VIDEO 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 (+3.3 V)
85 HDMI_S2 O HDMI S2 signal output (Not used in this set)
86 HDMI_S1 O HDMI S1 signal output
87 HDMI_OEB O HDMI OEB signal output
88 HDMI_PRE O HDMI PRE signal output
89 HDMI_CTRL O HDMI control signal output
90 COMP_S2 O COMPONENT VIDEO assign SW2 signal output
91 COMP_S1 O COMPONENT VIDEO assign SW1 signal output
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