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.
