Block Diagram -Display Section - Sony CDX-GT610U Service Manual

CDX-GT610U/GT660U/GT660US
4-2. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIX
LSW901,
S201,902–904,906–917
RE901
PUSH SELECT
(VOLUME)
ROTARY
ENCODER
J370
(REMOTE IN)
PANEL+B
MAIN
SECTION
(Page 21)
BU+3.3V
LED202
Z
CDX-GT610U/GT660U/GT660US
SYSTEM CONTROL
IC501 (2/2)
41 KEYIN0
FL SO 19
KEYIN1
40
FL SCK
20
D501 FL CS 18
KEY ACKNOWLEDGE
SWITCH
52 KEYACK
Q501
76 AD ON
47 RE-IN0
48 RE-IN1
71 RC IN1
43 RC IN0
5 NOSE SW
XIN 80
S102
(NOSE DET)
XOUT 79
REMOTE CONTROL
OSCOUT 83
64 SIRCS
SIGNAL RECEIVER
IC971
OSCIN 82
FL12V ON 65
A
RESET
RESET
77 RESET
DD ON 67
IC602
S103
RESET
FSW OUT 66
DOOR INDICATOR
FSW IN 10
CONTROL SWITCH BU+5V
Q589,590 USB ON
22
USB OVER 21
LED201
46 DOOR IND
CD
INDICATOR
DOOR SW 70
BU+3.3V
S501
(FREQUENCY SELECT)
10k
3 AREASEL2
9k
E,CH,IND,MX MODEL
FL900
FLUORESCENT
INDICATOR TUBE
GRID1 28
GRID2 27
12 DIO
GRID3
26
CLK
11
10 CS
FL DRIVE
3G 35
Q991
34
2G
1G 33
Q1 32
Q2 31
RESET
13 PANEL+3.3V
FL VH+12V
VH 7
PANEL+3.3V
VDD(3.3V) 8
X501
D982
39
32.768kHz
F+ •
38
2
F– •
X500
1
18.432MHz
DC-DC CONVERTER
IC802
1
BATT VIN
SW 2
7 EN
SHIFT
CONTROL 6 RT
INV 5
SWITCH
Q801 D802
FB 3
V-BUS
Q503
D997 D998
S918
OPEN/
CLOSE
CD
USB D+
MECHANISM
USB D–
UNIT
(MG-101U)
(2/2)
22 22
FL VH+12V
FL DRIVE
Q992
LED902–904, LED952–954,
906–917, 956–967,
FL DRIVE
941–944, 991–994,
Q993
LSW901 LSW901
LED DRIVE
Q941
LED DRIVE
Q942
FL +12V
REG BATT
IC801
PANEL+3.3V
REG
IC804
USB CONTROL
IC803
6
2 •
• 7
IN OUT V–BUS
•
3
8
4 EN
5 OC
• Abbreviation
CH : Chinese model
IND : Indian model
MX : Mexican model
USB SELECT SWITCH
IC980
J11
5
3 2C
J11
2B 6
4
7 1C
1A 1 3
2 1B
2
5 2A
1
PANEL+B