Sharp GX-CH170X - Page 18

GX-CH170X/CH170Z
Figure 18 BLOCK DIAGRAM (2/3)
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LED704LED703LED701
POWER TRY-2TRY-1
KEY1
KEY2
TRY1 LED
TRY2 LED
PWR-IN
VREF
GND
FW702
POWER-CD-VOL
OPERATION KEY
SW701 ~ SW714
REMOTE SENSOR
RX701
FW701
LED CONTROL
Q711 ~ Q715
VSS
Q704Q702
RESET
BEAT
µ-COM5V
COM3
COM2
COM1
COM0
SEG7 SEG8
SEG SEG SEG SEG SEG SEG SEG
VLC2
VLC1
VLC3
KEY1
KEY2
UP-SW
TRAY SW
MODEL
CD/SYC-IN
AC/DC
REMOCON
VREF
AVSS
XC-IN
XC-O
VDD
VSS
X-OUT
X-IN
PU-IN
WRQ
SQ-OUT
DRF
RESET
MTR2
PWR-IN
DATA(VOL)
STB(VOL)
MUTE
SYC-OUT
RES
CQCK
C0IN
RWC
SL+
SL–
CK(VOL)
PWR-0N
TR1 LED TR2 LED
MTR1
Q705
Q701
Q703
AC-ON
PLUS
POWER
PUIN WRQ COIN CQCK RES CD5V CD-GND DRF SL– SL+ RWC SQOUT
FROM
CD-SERVO SECTION
+
–
M
SW981
TRAY/
MECHANISM UP
TRAY2
SW983
M981
LOADING
MOTOR
SW982
TRAY1
REMOCON
CH7.4V
P-GND
VOL(STB)
VOL(CK)
VOL(DATA)
GND
MUTE
POW-ON
CD/SYC-IN
TWEET CANCEL
FW751
TO MAIN SECTION
X701
4MHz
IC901
IX0146AW
SYSTEM
MICROCOMPUTER
BA6218
IC761
CHANGER
MOTOR CONTROL
µ-COM5V
AC-ON
µ-COM5V
LCD801 CD LCD
CANCEL
PWR-ON
AC-ON HI
SY OUT