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CDX-GT930UI/GT937UI/GT980UI
CDX-GT930UI/GT937UI/GT980UI
20
20
4-2. BLOCK DIAGRAM – DISPLAY Section –
M904
(OPEN/CLOSE)
10K
9K
CN803
USB D+
USB D–
5
4
3
STBY
SYSTEM CONTROL
IC303 (2/2)
DC–DC
CONVERTER
IC620
DISPLAY CONTROL
IC901
DISP_CE
DISP_SI
DISP_SO
DISP_CLK
F3.3V)
F52V)
FL_F2(–)
FL_F1(+)
F52V)
FL_F2(–)
FL_F1(+)
D303
+3.3V
+3.3V
BATT
+5V
X301
32.768kHz
X302
6MHz
X901
8MHz
S901
(NOSE DET)
KEY
MATRIX
S911–916,
ENC901(2/2),
S918–920
ROTARY
ENCODER
ENC901 (1/2)
RESET
ILL+10V
LED901–908,918,
S920
LED910–917
LED +B
SWITCH
Q923,924
+8.8V REG
Q680
LED DRIVER
Q920,921,922
S902
RESET
FL900
FLUORESCENT
INDICTOR TUBE
1
I
3
8
•
34
7
•
35
39
I
41
BATT
BATT
F3.3V)
S301
FREQUENCY
SELECTOR
+3.3V
GT980UI
30
28
27
26
29
31
32
T620
DC–DC
CONVERTER
TRANSFORMER
D623
D622
D640
SWITCHING
Q620
TH301
MOTOR DRIVE
IC702
CNJ101
(REMOTE IN)
DC–DC
CONVERTER
CONTROL
Q621,622
FL ON/OFF
CONTROL
SWITCH
Q624
B+ CONTROL
SWITCH
Q623,642
FL ON/OFF
SWITCH
Q301,302
PULSE SENSOR
POWER SWITCH
Q702,703
PULSE SENSOR
DETECT
Q701
SWITCH
BOARD
LED SWITCH
Q134,135
LED790
(DISC SLOT)
FL RESET
Q303
SYNC AMP
IC621
USB +5 REG
IC602
BATT
+3.3V
B+
SWITCH
Q603
HIGH VOLTAGE
DETECT/PROTECT
Q601,602
USB POWER
CPNTROL
SWITCH
Q651,652
USB +5V
CONTROL
IC601
CD
MECHANISM
UNIT
(MG-101Z)
(2/2)
(USB IN)
• Signal Path
: USB