Block Diagram -Display Section - Sony CDX-GT700D Service Manual

CDX-GT700D/GT705DX
4-3. BLOCK DIAGRAM — DISPLAY SECTION —
VOL/ ROTARY ENCODER 78 RE_A
PUSH SOUND S906(1/2)
77 RE_B
KEY MATRIX
84 KEY_IN0
S900–905,906(2/2),
907–911
85 KEY_IN1
LSW903(2/2)–913(2/2)
88 KEY_ACK0
S901
89 KEY_ACK1
Z
87 KEY_ACK2
55 RC_IN1
CNJ101
86 RC_IN0
(REMOTE IN)
RESET
IC302
D907
BU+3.3V 2 IN OUT 1 10 RESET
S303
RESET
RESET
MAIN
C
SECTION
(Page 20)
STBY
9 XCOUT
X301
32.768kHz
8 XCIN
REMOTE
CONTROL
OUT 2 1 SIRCS
SIGNAL
RECEIVER
IC903
EEPROM
IC802
SDA 5 36 EESIO (DSP)
SCL 6 35 EECKO (DSP)
FL DISPLAY DRIVE
IC901
SYSTEM CONTROL
LAT_TA2_OUT 24
IC303 (3/3)
FL_DAT1 33
FL_DAT2 99
FL_DAT3 3
35
FL_CLK_IN
FL_CLK_IN 5
DISP_CE
93 1 SYS_CE
FL_CLK_OUT 100
DISP SI/RX 98 29 SYS_SO
DISP SO/TX 99 30 SYS_SI
DISP CKO 100
31 SYS_CLK
28
GCP_TA0_OUT
BK_TA3_OUT 22
19
GCP_TA4_IN
DISP_RESET 90
10 RESET
XOUT 11
X901
6.75MHz
XIN 13
ILL+B
RESET
1
IC904
LED DRIVE
DOOR_IND 95
Q134,601
CN902
DOOR SW 92
S302
NOSE_SW 91
(FRONT PANEL DETECT)
XOUT 11
X302
6MHz
XIN 13
DC-DC
CONVERTER
IC620
5
DC-DC
VCC
CONVERTER
FSW OUT 73 7 CT OUT 4
CONTROL
Q621,622
1
IN
FL_ON 72
Q624
FSW-IN 2
FL B+
SWITCH
BU+3.3V FL+3.3V
Q301,302
FLD_ON
FLD_ON 74
21 21
12
LAT
6 SI1
5 SI2
4 SI3
7 CLK
FL900
FLUORESCENT
INDICATOR
TUBE
GCP
11
BK
13
LED911–921,923–925
LSW903(1/2)–913(1/2)
LED931,932
BATT1
BATT
T620
DC-DC
CONVERTER
TRANSFORMER
POWER
D623,624
CONTROL
FL+4.3V
Q623,Q642
D620,621
FL+1V
SWITCHING
DRIVE FL+55V
Q620 D622
CDX-GT700D/GT705DX