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CDX-GT730UI/GT737UI/GT780UI
CDX-GT730UI/GT737UI/GT780UI
22
22
4-2. BLOCK DIAGRAM – DISPLAY Section –
(Page 17)
X501
32.768kHz
X502
7.92MHz
S501
FRONT PANEL
DETACH DETECT
LED701,702
CN671
FLASH
PROGRAMMING
BATT
LED DRIVER
Q650,651
USB POWER
CONTROL
IC802
BATT
D856
VBUS
BATT
D811
L810
D902
USB SELECT SWITCH
IC904
Q901
USB ON/OFF
CONTROL
S901
FRONT PANEL
OPEN DETECT
CD
MECHANISM
UNIT
(MG-101Z)
(2/2)
D905
USB D+
USB D–
DC-DC CONVERTER
IC801
DC-DC CONVERTER
IC852
USB POWER
SWITCH
Q801
FL POWER
CONTROL
Q851,852
FSW
CONTROL
Q856,857
STB
FL POWER
CONTROL
Q853
VOLTAGE
DETECT
Q859
SWITCHING
REGULATOR
Q858
USB POWER
CONTROL
Q802
SWITCHING
REGULATOR
Q810
USB
+5V REG
Q813
VOLTAGE
DETECT
Q811,812
1
3
2
VBUS
D+
D–
4
CN902
(USB)
4
5
6
7
D851
D650
RESET
IC902
D859
D858
J590
(REMOTE IN)
• Signal Path
: USB
AM(10K)
FM(200K)
FM(50K)
AM(9K)
SYSTEM CONTROL
IC501 (2/2)
FL DISPLAY CONTROL,
LED CONTROL
IC901
FL_F(+)
FL_F(–)
55V
FLASH+W
DSPL_CE
DSPL_TX
DSPL_RX
3.3V
55V
FL_F(–)
FL_F(+)
D925
D924
BATT
PANEL+B
B.U+5V
X901
8MHz
KEY
MATRIX
S701,902–907,
S909–918,
RE901 (2/2)
ROTARY
ENCODER
RE901 (1/2)
BU+3.3V
RX
TX
VDD
FLASH+W
ILL+10.4V
D927,
LED901–916
D926,
LED917–920
LED DIMMER
CONTROL
Q905–907
LED POWER
CONTROL
Q908,910
LED DRIVER
Q902–904
FL900
FLUORESCENT
INDICTOR TUBE
1
I
3
8
•
30
7
•
31
35
I
37
ILL+10.4V
3.3V
3.3V
S502
FREQUENCY
SELECT
BU+3.3V
E,MX MODEL
26
24
23
22
25
27
28
DC–DC
CONVERTER
TRANSFORMER
T850
FL POWER
CONTROL
Q854,855
ILL+10.4V
POWER
CONTROL
Q351
• Abbreviation
MX: Mexican model