Function Table Of Ic - Sharp QT-CD161 Service Manual

IC501 RH-iX0016SJZZ (IX0016SJ): CD/Tuner Control Microcomputer (1/2)
Terminal
Pin No. Port Name
Name
1,2 VL2 VL2
3 P67/AN7 LID-SW (CD)
4 P66/AN6 CLOCK (TUNER)
5 P65/AN5 DATA (TUNER) Input/Output PLL IC serial data input/output terminal.
6 P64/AN4 PERIOD(TUNER)
*
7 P63/AN3 T-MUTE (TUNER)
*
8 P62/AN2 AREA (TUNER)
9 P61/AN1 KEY1
10 P60/AN0 KET0
11 P57/ADT STEREO
(TUNER)
12 P56/TOUT MONO/ST
(TUNER)
13 P55/CNTR1 WRQ (CD)
14 P54/CNTR0 SD (TUMNER)
15 P53/RTP0 PU IN (CD)
16 P52/RTP0 DRF (CD)
17 P51/INT3 CD-RESET (CD)
18 P50/INT2 CQCK (CD)
19 P47/SRDY COIN (CD)
20 P46/SCLK RWC (CD)
21 P45/TXD SL+ (CD)
22 P44/RXD SL- (CD)
23 P43/INT1 REMOCON
24 P42/INT0 SYS-STOP
25 P41/Ø SQOUT (CD)
*
26 P40 N.C
27 RESET RESET
*
28 P71/XCIN N.C
*
29 P70/XCOUT N.C
30 XIN XIN
31 XOUT XOUT
32 VSS VSS
*
33 P27 P-MUTE1
34 P26 P-MUTE2
35 P25 CD-FUNC
36 P24 SYNC-IN
*
37 P23 N.C
*
38 P22 N.C
*
39 P21 N.C
40 P20 N.C
*
41 P17/SEG31 N.C
*
42 P16/SEG30 N.C
*
43 P15/SEG29 N.C
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Input/
Output
Input LCD bias setting power input terminal.
Input CD cover position detection SW input terminal.
"L" = CD cover CLOSED, "H"= CD cover OPEN.
Output PLL IC serial data transmission timing CLOCK output terminal.
Address 8 bits, sending/receiving 24-bit data.
Output PLL IC serial data transmission start/stop pulse output terminal.
Output Tuner output mute output terminal.
"H" = Mute ON.
Input Destination voltage detection input. Operates as an A/D input port, and when a reset is executed,
detects the DC voltage present at the destination.
Input Operation key input. Max. 8 keys.
Input Operation key input. Max. 8 keys.
Input FM stereo broadcast detection input.
"L" = When receiving a stereo broadcast
Output FM mode output terminal read by the tuner IF IC.
"H" = FM stereo mode ("L" = FM mono/AM band).
Input Detection input to standby with sub Q code output from LC78623D.
Input Tuner carrier wave detection input.
"L" = When a carrier wave is detected.
Input CD pickup position detection SW input terminal.
"L" = Innermost circumference.
Input HF level detection input terminal from LA9241M.
Output LC78623D reset signal output.
Output Serial data synchronous clock for LA9241M/LC78623D interface.
Output LA9241M/LC78623D control command output terminal.
Output READ/WRITE control output terminal to LA9241M/LC78623D.
Output Slide motor forward control output terminal to LA9241M.
Output Slide motor back control output terminal to LA9241M.
Input Remote control signal input terminal
Detected on the falling edge.
Input Input terminal for detecting a power failure or dead battery.
"L" = The unit will enter the backup mode.
Input Sub code Q data input terminal from LC78623D.
Input Microcomputer reset signal input.
No connect.
No connect.
Input Main clock oscillator connection terminal.
Output
–– Microcomputer power GND.
Output Audio signal mute condition output terminal.
"H" = Mute ON.
Output Audio signal mute condition output terminal.
"L" = Mute ON.
Input CD function detection input terminal.
"H" = CD function.
Input Record SW detection input terminal.
"H" = Record SW ON.
No connect.
No connect.
No connect.
No connect.
No connect.
No connect.
No connect.
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QT-CD161/141
Function
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