KRF-V7771D/V8881D/VR-2080/2090
12
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Connect
Description
45
SREQ
I
PD
uCOM-uCOM COMMUNICATION SLAVE REQUEST
(uPD78058GC-A74)
46
FL_DOUT
I
PD
FL DRIVER DATA IN
47
FL_DIN
O
PD
FL DRIVER DATA OUT
48
FL_CLK
O
PD
FL DRIVER CLOCK
49
FL_STB
O
PD
FL DRIVER STROBE
50
VSEL_CTLA
O
PD
PERFECT MACRO VIDEO SELECTOR CONTROL A
51
VSEL_CTLB
O
PD
PERFECT MACRO VIDEO SELECTOR CONTROL B
52
FAN_1
I
PD
FAN DETECT 1
53
FAN_2
I
PD
FAN DETECT 2
54
FAN_3
I
PD
FAN DETECT 3
55
SDATA
I/O
–
SERIAL DATA
56
SBUSY
I/O
–
SERIAL BUSY
57
RELAY_A
O
PD
SPEAKER A RELAY
58
RELAY_B
O
PD
SPEAKER B RELAY
59
RELAY_CS
O
PD
CENTER/SURROUND SPEAKER RELAY
60
RELAY_TR
O
PD
TRANS RELAY
61
RELAY_POWER
O
PD
POWER RELAY
62
EXT_OUT
O
PD
EXTERNAL OUT
63
NC
O
PD
NO USED
64
DRV_RST
O
PD
FL DRIVER RESET
65
TV_PDET
I
PD
PERFECT MACRO TV POWER DETECT
66
999_888
I
–
TYPE SELECT
H : VR-2090
L : VR-2080
67
8_16
I
–
SERIAL SELECT
L : SERIAL 16bit
H : SERIAL 8bit
68, 69
ENC_VOL2, 1
I
PD
VOLUME ENCODER IN
70
PROTECTION1
I
PD
PROTECT DETECT
71
Vss
–
GND
GND
72
PROTECTION2
I
PD
PROTECT DETECT
73
NC
I
PD
NO USED
74~76
TSW_0~2
I
–
TUNER SIMUKE SWITCH 0~2
77
TSW_3 (CH. SP)
I
PD
TUNER SIMUKE SWITCH 3 (CHANNEL SPACE)
78
NC
I
–
NO USED
79
RELAY_MULTI
O
PD
SP B SIGNAL OUTPUT
ROOM A : L
ROOM B : H
PD
DIGITAL REC SELECT (TC74HC153AF)
PD
DIGITAL REC SELECT STROBE (TC74HC153AF)
PD
REMOCON DATA TRANSMIT IC REQ
PD
REMOCON DATA TRANSMIT IC ENB
PD
REMOCON DATA TRANSMIT IC RWR
PD
REMOCON DATA TRANSMIT IC D0~D7
PU
ROOM A MUTE
PU
ROOM B MUTE
PU
SWch MUTE
PU
-20dB ATTENUATER
PD
VIDEO MUTE
99
SCH_MUTE
O
PD
Sch MUTE
100
TONE_STB
O
PD
TONE IC CE (TC9184AP)
KRF-V7771D(K)
COVER(
98.12.8
18:58
y [ W 15
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299