Block Diagram -Display Section - Sony CDX-C680 Service Manual

4-4. BLOCK DIAGRAM — DISPLAY SECTION —
RESET
BU5V 2 1
IC601
SW801
RESET
RESET
3
BUFFER
BUS INTERFACE
BUS SO
CD Q501
IC505
SECTION
RST
2
D507
BATT
BATT
3
CLK
4
7
DATA IN
1 4
DATA
2 5 6
DATA OUT
3 6
BUS
8
CONTROL 1 BUSON
CN501
Q503
(BUS CONTROL IN)
BUFFER
Q508
D509
BACK-UP
IR
1
RECEIVER BATT CHECK
IC901 Q504
LINK OFF
BU IN
BUS CLK
4
BUS SI
CD
BUS ON
SECTION
LED802-804
CONTROL
Q624, 625
J801
(REMOTE IN)
04
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SYSTEM CONTROL
IC501 (2/2)
90 RST SO 13
CKO 14
LCD
CE 16
INH 32
D501
RESET
13 11 SYSRST
XO 92
BU IN
X501
10 77 BU IN
3.68MHz
XI 93
CLK IN
11 19 CKIO
X1A 73
X502
9 18 SO UNI
32.768MHz
X0A 74
8 17 SI
12 10 BUSON
BUS ON
LCDANG 41
BATT
24 SIRCS
ILL ON 29
LED ON 118
BATT
DIMMER 30
KEYIN0 46
KEYIN1 47
LED
BATT
KET ACTIVE
59 DIND KEYACK 76 SW
Q801, 802
48
RC IN0 AD ON 35
REIN0 36
72
RC IN1
REIN1 37
D814
LCD DRIVE
IC900
18 DATA
17 CLK LCD900
LCD
19 CE
14 INH
6 VLC5
COLOR
7 VLC4 GREEN 1 SELECT
Q900, 902
8
VLC3
COLOR
AMBER 2 SELECT
Q901, 903
9 VLC2
10 VLC1
11
VLC0
LCD ANGLE
CONTROL
Q621, 623
ILL LED
CONTROL CONTROL
Q617, 619 Q611, 612
ILL
REG
INVERTER
CONTROL 3 1 EL900
IC606 UNIT
Q626, 627
2
DIMMER CORRENT
CONTROL CONTROL
Q628, 629 Q630, 631
KEY MATRIX
LSW901-909
912-918
D819
ROTARY
ENCODER
RE900
CDX-C680/C780
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