Block Diagram -Display Section - Sony CDX-F7710S Service Manual

3-3. BLOCK DIAGRAM — DISPLAY SECTION —
ROTARY
ENCODER
ENC901(1/2)
KEY MATRIX
S901-919,
ENC901(2/2)
D301
KEY
ACKNOWLEDGE
SWITCH
Q301
CNJ101
(REMOTE IN)
RESET
IC302
OUT
BU+3.3V 2 IN 1
S301
RESET
MAIN
C
RESET
SECTION
(Page 16)
S300
(NOSE DET)
X302
32.768kHz
CDX-F7710/F7710S/F7715X/F7750/F7750S
SYSTEM CONTROL
DISPLAY CONTROL
IC303 (3/3)
IC901
FL SO1 51
73 REIN0
FL SO2 41
DISP FLS W 70 8 FLMDO
74 REIN1
FL SO3 54
DISP IF 69
17 DISP IF
LATCH 37
MAS IF 68 18 MAS IF
BK 39
52
FL CKO1
DP RX 25
41 KEYIN0 25 BUS TX
FL CKI3 55
DP TX 26 26 BUS RX
FL CKI2 42
KEYIN1
42
GCP1 30 5
GCP2 47 2
DISP RESET 71 14 RESET
GCP3 45
4
57
GCP4 1
X1 12
X901
5MHz
50 KEY ACK
X2 13
ILL+10V
45 XKEY ON
RESET
1
IC904
DOOR INDICATOR
B+ SWITCH
98 RCIN1 BATT
Q601,602
44 RCIN0
DOOR IND 66
FL DP POW 62
REMOTE CONTROL
FL VDD+3.3V
SIGNAL RECEIVER
REG BACKUP+5V
IC903
RESET IC900
75
1
FL VDD+3.3V
VCC
IR
SIRCS 63 2 OUT
65 NOSE SW
X0 80
X301
18.432MHz
X1 81
77 X1A
78 XOA FL ON
59
DC-DC
CONVERTER
IC620
5
DC-DC VCC
CONVERTER
FSW SFT 7 4
60 CT OUT
CONTROL
Q621,622
IN 1
FSW IN 7
6
SI1
5 SI2
4 SI3
12 LAT
13 BK
7 CLK
FL900
FLUORESCENT
INDICATOR
TUBE
GCP
11 11 GCP
GCP
BUFFER
IC902
LED901—924
LED931,932
BATT
T620
DC-DC
CONVERTER
TRANSFORMER
POWER D623,624
CONTROL FL+4.3V
Q623,Q642
D620,621
FL+1V
FL ON/OFF
DRIVE FL+55V
Q620
D622
17 17
CDX-F7710/F7710S/F7715X/F7750/F7750S