Read Sony CDX-GT410U / CDX-GT414U Service Manual online
18
18
CDX-GT410U/GT414U
CDX-GT410U/GT414U
4-2. BLOCK DIAGRAM — DISPLAY SECTION —
RESET
MAIN
SECTION
A
KEY ACKNOWLEDGE
SWITCH
Q664
83
82
41
19
20
18
40
52
48
64
SYSTEM CONTROL
IC501 (2/2)
USB CONTROL
IC804
DC-DC CONVERTER
IC803
SHIFT
CONTROL
SWITCH
Q805
FL901
FLUORESCENT
INDICATOR TUBE
KEYIN0
CLK
CS
FL SO
FL SCK
FL CS
20
19
16
GRID1
GRID2
GRID3
41
1G
15
RESET
40
Q1
39
Q2
F+
F–
5
VDD(+3.3V)
KEYIN1
31 RE-IN0
32 RE-IN1
KEYACK
AD ON
62 NOSESW
SIRCS
77 RESET
FL VH+12V
OSCOUT
OSCIN
89
FL ON
X501
18.432MHz
12
14
10
3G
D503
17
•
18
6
•
42
1
•
2
44
•
45
2G
DIO
PANEL+B
BU+3.3V
KEY MATRIX
80
79
XOUT
XIN
X502
32.768kHz
10
FSW IN
91
USB OVER
92
USB ON
90
DD ON
75
FSW OUT
LSW901,902
S901–904,906–915
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RESET
IC602
PANEL+B
BATT
PANEL+B
LED841–847,
850–857,
861–864,
LSW901,902
850–857,
861–864,
LSW901,902
LED941–947,
950–957,
961–963,
LSW901,902
950–957,
961–963,
LSW901,902
IN
OUT
USB D–
USB D+
USB D+
4
/EN
5
/OC
1
7
6
5
3
2
2
•
3
6
•
7
•
8
FL DRIVE
Q883
FL DRIVE
Q882
LED DRIVE
Q991
LED DRIVE
Q992
FL DRIVE
Q881
PANEL+B
9
VH
VDD+3.3V
REG
IC972
FL+3V
REG
IC802
S103
RESET
D804
FL +12V
REG
IC801
SW
BATT
INV
FB
VIN
EN
RT
D801
1
CN902
CN902
CD
MECHANISM
UNIT
(MG-101U)
(2/2)
2
3
4
3
4
(Page 17)
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