Sony CDX-GT800D - Block Diagram -Display Section

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CDX-GT800D/GT805DX
CDX-GT800D/GT805DX
4-3. BLOCK DIAGRAM — DISPLAY SECTION —
T620
DC-DC
CONVERTER
TRANSFORMER
DC-DC
CONVERTER
IC620
D623,624
D620,621
D622
FL+4.3V
BATT
BATT1
FL+1V
FL+55V
X301
32.768kHz
REMOTE
CONTROL
SIGNAL
RECEIVER
IC903
TH301
EEPROM
IC802
9
8
11
13
84
98
99
85
55
86
10
FL DISPLAY DRIVE
IC901
FL900
FLUORESCENT
INDICATOR
TUBE
KEY_IN0
DISP SI/RX
DISP SO/TX
LAT_TA2_OUT
FL_DAT1
FL_DAT2
FL_DAT3
FL_CLK
KEY_IN1
88
KEY_ACK0
89
KEY_ACK1
87
KEY_ACK2
FL+3.3V
Q624
Q303
D303
S901
(FRONT PANEL DETECT)
BU+3.3V
FLD_ON
RC_IN1
RC_IN0
RESET
1
SIRCS
80
TEMP-TR # NC
EESIO (DSP)
EECKO (DSP)
2
IN
1
OUT
2
OUT
5
SDA
6
36
35
SCL
XCOUT
XCIN
XOUT
XIN
X302
6MHz
S902
RESET
30
29
SYS_SI
SYS_SO
93
DISP_CE
1
SYS_CE
LAT
SI1
SI2
SI3
CLK
GCP_TA4_IN
GCP_TA3_OUT
GCP_TA0_OUT
100
DISP CKO
31
SYS_CLK
90
DISP_RESET
10
RESET
1
RESET
IC904
ILL+10V
91
NOSE_SW
73
FSW OUT
2
FSW-IN
72
FL_ON
74
FLD ON
95
DOOR_IND
LED901–915,
LSW901(1/2)
–906(1/2)
LED990
LED990
(DISC IN)
BU+3.3V
RESET
STBY
KEY MATRIX
S903–905,
906(2/2),907–910,
LSW901(2/2)
–906(2/2), 911(1/2)
76
75
SYSTEM CONTROL
IC303 (3/3)
RE_1A # NC
RE_1B # NC
78
RE_2A # NC
77
RE_2B # NC
X901
6.75MHz
ROTARY
ENCODER
S906(1/2),911(1/2)
RESET
IC302
CNJ101
(REMOTE IN)
LED DRIVE
Q134
24
12
33
6
99
5
3
4
35
FL_CLK_IN
5
FL_CLK_IN
100
7
28
22
19
XOUT
11
XIN
13
MAIN
SECTION
C
FL B+
SWITCH
Q301,302
POWER
CONTROL
Q623,Q642
SWITCHING
DRIVE
Q620
DC-DC
CONVERTER
CONTROL
Q621,622
7 4
1
5
VCC
OUT
IN
CT
D907
GCP
11
BK
13
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