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3-1. 1C101
CXP-50116
SECTION
3
DIAGRAMS
The main feature of this IC are control the fluorescent indicator tube and also, built in 14bit PWM
output for D/A
converter,
A/D converter and remote control reception circuit.
|
MUTING
F-MUTE
P-MUTE
T-MUTE
$1 - $12
VDD
AUTO STOP
STEREO
PROTECT
LINE I/O
Description
Muting output to LCH mute sw Q115, 165.
Muting output to function muting sw Q113, Q163.
Muting output to RCH mute sw Q114, Q164.
Muting output to tuner mute IC21 @ pin and Q116.
Signal output to SEGMENT (a - i) of the Fluorescent indicator tube.
Not used.
Output to DIGIT 1G of the Fluorescent indicator tube.
Output to DIGIT 9G of the Fluorescent indicator tube.
Output to DIGIT 8G of the Fluorescent indicator tube.
Output to DIGIT 7G of the Fluorescent indicator tube.
Output to DIGIT 6G of the Fluorescent indicator tube.
Output to DIGIT 5G of the Fluorescent indicator tube.
Output to DIGIT 4G of the Fluorescent indicator tube.
Output to DIGIT 3G of the Fluorescent indicator tube.
Output to DIGIT 2G of the Fluorescent indicator tube.
Stop signal input ("L" : STOP).
Not used.
Not used.
Reset signal input ("L" : RESET).
Not used. |
Power supply (+5V).
Tuning signal input from IC21 @) pin.
Stareo detector signal output from IC21 @ pin.
Protect detector signal input.
Key, Fluorescent indicator tube check terminal ("L" : check mode).
Latch signal output to surround processor 1C303 ® pin.
Latch signal output to surround control IC309 @ pin.
Latch signal output to video sw IC105 @ pin.
Latch signal output to tuner function IC81 @ pin and IC501, 502 ® pin.
Not used.
CL
DO
SI
CLOCK OUT
VOL/DW
VOL-UP
LED
KEY OUT
KEY OUT
LED2
NC
SIRCS
KEY IN
SYS-POWER
VSS
Clock signal input from this IC @ pin.
DATA output.
Not used.
Clock signal output.
VOL-down signal output to VOL-motor control 10104 @ pin.
VOL-UP signal output to VOL-motor control 1C104 @ pin.
LED drive signal output to LED drive Q146.
Key output to key matrix (SO - S5) and LED drive Q140 - 145.
Not used.
Output to LED drive Q147.
Not used.
SIRCS signal input.
Key input from key matrics (K10 - K16).
Input from power sw (S138).
GND.
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