Block Diagram -Display Section - Sony CDX-GT317EE Service Manual

CDX-GT317EE/GT360
4-2. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIX
LSW901,902
S901–904,906–915
RE901
PUSH SELECT
(VOLUME)
ROTARY
ENCODER
PANEL+B
MAIN
A
SECTION
(Page 17)
BU+3.3V
CDX-GT317EE/GT360
SYSTEM CONTROL
IC501 (2/2)
41 KEYIN0
FL SO 28
KEYIN1
40
FL SCK
29
FL CS 27
D503
KEY ACKNOWLEDGE
SWITCH
52 KEYACK
Q664
48 AD ON
31 RE-IN0
32 RE-IN1
62 NOSESW
REMOTE CONTROL
XOUT 80
SIRCS
SIGNAL RECEIVER 64
X502
IC971
32.768kHz
XIN 79
OSCOUT 83
X501
RESET
18.432MHz
OSCIN 82
FL ON 87
RESET
77 RESET
IC602
S103
RESET
FL901
FLUORESCENT
INDICATOR TUBE
GRID1 20
GRID2
19
14 DIO
CLK
12 GRID3 16
10 CS
17
FL DRIVE
3G •
Q883
18
6
FL DRIVE
2G •
Q882
42
1G 41
RESET 15 PANEL+B
VH 9 FL VH+12V
VDD+3.3V
REG PANEL+B
VDD(+3.3V) 5
IC972
FL+3V D204-206 FL+7V
1
F+ • REG
2
IC202
44
F– •
45
GT317EE
LED841–847,
850–857,
861–864
18 18
FL VH+12V
FL DRIVE
Q881
D200-203 FL+12V D207
REG REG BATT
IC201 IC200
FL+12V
FL VH+12V
REG
IC203
PANEL+B
GT360
LED941–947, LSW901,902
950–957,
961–963