RXD-NV500/NV600
9
CIRCUIT DESCRIPTION
DISTINCTION
UCOM
SIMUKE1 SIMUKE2 SHIMUKE1
DISTINCTION
(89PIN)
(88PIN)
(87PIN)
J
J
0
1
0
K
K1
0
0
0
M
E1
0
0
1
E
E1(RDS)
1
1
0
T
E2(RDS)
1
0
1
3. EXPANDER IC PIN DESCRIPTION
(1) STANDBY/TIMER LED
STNDBY LED USES 2COLOR LED TO CONTROL FROM UCON PORT
2-4 DESTINATION
(1) Model distiniction (90PIN) 2CH/3CH
1 : RXD-NV500 (None SW)
0 : RXD-NV600 (Exist SW)
No74 RED
No73 GREEN
2COL. LED
STANDBY
H
L
RED
OTT PRG.12
L
H
GREEN
NO USED
H
H
ORENGE
POWER ON
L
L
OFF
PIN NO
NAME
I/O CONNECT
DESCRIPTION
1
VSS
GND
2
DATA
I
PD
DATA INPUT
3
CLOCK
I
PD
CLOCK
4
REC TAPE
O
REC TAPE (RED)
H=OFF
L=ON
5
SEL TAPE
O
SELECTOR TAPE(GREEN)
H=OFF
L=ON
6
SEL TUNER
O
SELECTOR TUNER(GREEN)
H=OFF
L=ON
7
TUNED
O
TUNED (RED)
H=OFF
L=ON
8
SEL CD
O
SELECTOR CD (GREEN)
H=OFF
L=ON
9
NC
O
NO USED
10
MUTE/STEREO
O
STEREO(RED)
H=OFF
L=ON
11
REC MD/MUTE
O
MUTE (RED)
H=OFF
L=ON
12
SEL MD
O
SELECTOR MD (GREEN)
H=OFF
L=ON
13
INTERFACE
O
INTERFACE (RED)
H=OFF
REMOCON TRANSMIT
L=ON
14,15
NC
O
NO USED
16
VDD
POWER SUPPLY
(2) LED DRIVER EXPANDER IC PIN DESCRIPION : BU2090 (X28:IC201)
(2) TUNER
PIN NO
NAME
I/O CONNECT
DESCRIPTION
1
NORM
O
PD
DECK NORMAL
H=NORMAL
L=CrO2
2
BIAS
O
PD
DECK BIAS CONTROL
H=ON
L=OFF
3
BEAT
O
PD
BEAT CANCEL CONTROL
4
SOL
O
PD
DECK SOLENOID CONTROL
H=ON
L=OFF
5
VSS
O
GND
6
CPM
O
PD
DECK MOTOR CONTROL
H=ON
L=OFF
7
REC_PLAY
O
PD
DECK REC/PLAY SW
H=REC
L=PLAY
8,9
AB-2,1
O
PD
DECK(ACTIVE MODE SEL.)
10
DATA
I
DATA INPUT
11
CLK
I
CLOCK INPUT
12
STB
I
LATCH INPUT
13
CLR
I
RAM CLEAR INPUT
14
120_70
O
PD
DECK (ACTIVE SEL.)
H=70u
L=120u
15
1_2
O
PD
DECK(ACTIVEM SEL.)
H=B2
L=B1
16
DOLBY_NR
O
PD
DECK DOLBY CONTROL
H=ON
L=OFF
17
DECK_MUTE
O
DECK MUTE CONTROL
H=ON
L=OFF
18
VDD
POWER SUPPLY
(3) DECK EXPANDER IC PIN DESCRIPION : NJU3713D (X28:IC101)