
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
7
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
46 TUNER DIN O Data output to PLL IC.
47 TUNER CLK O Clock output to PLL IC.
48 TUNER CE O Chip enable output to PLL IC.
49 TUNER DOUT I Data input from PLL IC.
50 TUNER MUTE O Mute signal output to PLL IC.
51 TUNER STEREO I Stereo signal input from PLL IC.
52 TUNER SD I SD signal input from PLL IC.
53 RFRCV CE O Chip select output to RF remote control receiving IC.
54 RFRCV DIN O Data output to RF remote control receiving IC.
55 RFRCV CLK O Clock output to RF remote control receiving IC.
56 S BUSY I/O Serial busy signal input/output.
57 S DATA I/O Serial data signal input/output.
58 LIMITER O Power control for A class.
59 IR SW O Switching port of remote control signal.
60 DIR AUTO I Non PCM detect port.
61~63 MODEL T0~T3 I Discrimination port for model type.
64 CH SPACE I Discrimination port for channel space.
65~68 TUNER DO~D3 I Discrimination port(D0~D3) for tuner destination.
69 MULTI CW I Encoder (Multi control) upward detection.
70 MULTI CCW I Encoder (Multi control) downward detection.
71 SEL CW I Encoder (Selector))clockwise detection.
72 SEL CCW I Encoder (Selector)) counterclockwise detection.
73 VOL. CW I Encoder (Vol.)clockwise detection.
74 VOL.CCW I Encoder (Vol.) counterclockwise detection.
75 SP. A RLY O Relay control for A speaker.
76 CNT/SUB W RELAY O Relay control for center and sub speakers.
77 SP. B RLY O Relay control for B speaker.
78 SUB W - Unused.
79 SURR.RLY O Relay control for surround speaker.
80 PWR RLY O Control port of power relay.
81 PACK CONT. O Power pack control.
82 STANDBY RLY O Standby relay control.
83 SURR.MUTE I Mute control for surround.
84 20dB ATT. O 20dB attenuater control.
85 A. MUTE O Audio mute control.
86 COMP 1 O Video component switch control.
87 SEL DIN O Data output to selector IC(X08,IC12/14).
88~91 V. CTL A~D O Video switch control.
92 SEL. DIN O Data output to selector IC(X07,IC8/11).
93 SEL. CLK O Clock output to selector IC(X07,IC8/11).
94 SEL. ST1 O Strobe 1 output to selector IC(X07,IC8).
95 DAVSS - Connected to ground.
96 SEL. ST 2 O Strobe 2 output to selector IC(X07,IC11).
97 VOL. CE O Chip enable output to vol. IC (X08,IC15).
98 VOL. CLK O Clock output to vol. IC (X08,IC15).
99 V. MUTE O Mute control to video selector IC (X14,IC401/402).
100 DAVDD - +5V power supply.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299