KRF-V7772D/VR-3080
9
CIRCUIT DESCRIPTION
Pin No.
Name
I/O Connect
Description
66
DSP_SO
O
P.D.
DSP(YSS912), CODEC(CS4226)DATA OUT
67
DSP_SCK
O
P.D.
DSP(YSS912), CODEC(CS4226)CLOCK
68
TEXT_RX
I
P.D.
CD TEXT UART COMMUNICATION DATA IN
69
TEXT_TX
O
P.D.
CD TEXT UART COMMUNICATION DATA OUT
70
DSP_IC
O
P.D.
DSP(YSS912) INITIAL CLEAR
71
FL_RST
O
P.D.
FL DRIVER(uPD780204) RESET
72
FL_STB
O
P.D.
FL DRIVER(uPD780204) STROBE
73
FL_DI
I
P.D.
FL DRIVER(uPD780204) DATA IN
74
FL_DO
O
P.D.
FL DRIVER(uPD780204) DATA OUT
75
FL_CLK
O
P.D.
FL DRIVER(uPD780204) CLOCK
76
8/16
I/O
-
SERIAL XS8/SL16 CHANGEOVER(SL16:L)
77
S_DATA
I/O
P.D.
SERIAL DATA
78
S_BUSY
I
P.D.
SERIAL BUSY
79
SW_MUTE
O
P.D.
SUBWOOFER MUTE
80
ATT-20dB
O
P.D.
20dB AMP CHANGEOVER (AMP on:H)
81
SUR_MUTE
O
P.D.
SURROUND ch MUTE
82
MAIN_MUTE
O
P.D.
MAIN MUTE
83,84
SP_A,B
O
P.D.
SPEAKER A,B RELAY
85
SP_CS
O
P.D.
CENTER,SURROUND SPEAKER RELAY
86
POWER
O
P.D.
POWER RELAY
87
SECOND
O
P.D.
POWER RELAY 2
88
I_PROT
I
P.D.
PROTECTION CURRENT DETECT
89
V_PROT
I
P.D.
PROTECTION VOLTAGE DETECT
90
IR_RCV
I
-
IR RECEIVER DISTINCTION(IR RECEIVER EXIST:H)
91
SEL_CLK
O
P.D.
SELECTOR(NJU7312,NJU7313,TC9162) CLOCK
92
SEL_DATA
O
P.D.
SELECTOR(NJU7312,NJU7313,TC9162) DATA
93
SEL_ST
O
P.D.
SELECTOR(NJU7312,NJU7313,TC9162) STROBE
94
IN_ATT3
O
P.D.
INPUT ATTENUATOR -3dB
95
IN_ATT6
O
P.D.
INPUT ATTENUATOR -6dB
96
TAPE2_LED
O
P.D.
TAPE2 LED
97
REM_RWR
I
P.D.
LCD REMOTE RWR
98
REM_ENB
I
P.D.
LCD REMOTE ENABLE
99
REM_REQ
O
P.D.
LCD REMOTE REQUEST
100
VSS
-
-
GND
KRF-V7772D(K)
COVER1,1(
99.10.29
10:11
AM
y [ W 18