JVC XP-A1000BK - Page 27

Summary of Functions
XP-A1000BK
SRAM address O
Connected to the ground
NC
|
RST
Power-on reset for microcomputer
IND ON
\ Outputs Level “H” when the input indicator is ON.
SURROUND
Outputs Level “’H” in SURROUND mode.
MUTE2
MUTE output 2
MUTE1
MUTE output 1
KEY 03
KEY 02
KEY 01
KEY 00
O!1Oj;O!O1;O0/0/0]/0
Key output
KEY I3
Key input
osci
Terminal of oscillator for master clock
OSC2
oO
Terminal of oscillator for master clock
Vss
Ground terminal
KEY I2
Key input
NC
TEST
Test mode input
-{+—_—-
RM IN
Remote controller input
VOL DOWN
Volume down output
VOL UP
Volume up output
PERIOD 3
+
PERIOD 2
PERIOD 1
To DSP PERIOD
STB 3
STB 2
STB 1
O10/0/90/10;/0;/0/0
To TC9176 STROBE Terminal
KEY 11
KEY 10
prey input
FS 1
FSO
rs input
VOL/DAP ID
To DSP, TC9176 DATA
INH
Inhibit input (power souce detection)
VOL/DAP ICK
TO DSP, TC9176 CLK
MUTE IND
Outputs Level “H” when MASTER MUTE is ON.
RMO
Outputs
Level
“H”
when
receiving
signals
from
the
remote
controller.
DIG/ANA
Outputs Level “’H” during digital DIRECT
DAP REC
Outputs Level “H” during REC.
T.MON
Outputs Level “H” during TAPE MONITOR
D7
To Display, SRAM data 7
D6
To Display, SRAM data 6
D5
To Display, SRAM data 5
D4
To Display, SRAM data 4
D3
To Display, SRAM data 3
D2
To Display, SRAM data 2
D1
To Display, SRAM data 1
DO
To Display, SRAM data O
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