Read Sony CDX-C680 / CDX-C780 Service Manual online
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
– 39 –
– 40 –
CDX-C680/C780
7
8
1
2
3
4
5
6
4
3
2
1
2
1
9
8
12
6
4
CD
SECTION
3
CD
SECTION
DATA IN
11
CLK IN
13
RESET
DATA OUT
BUS ON
10
18
17
10
24
59
76
48
72
37
19
11
90
13
14
16
18
17
19
6
7
1
8
9
92
93
73
74
10
11
77
BU IN
DATA
BUSON
CLK
BATT
RST
BUS INTERFACE
IC505
BUS
CONTROL
Q503
BACK-UP
CHECK
Q504
IR
RECEIVER
IC901
CN501
(BUS CONTROL IN)
BUFFER
Q508
BUFFER
Q501
1
SYSRST
RST
BU IN
CKIO
SO
UNI
SI
BUSON
SIRCS
DIND
RC IN0
RC IN1
REIN1
36
REIN0
35
AD ON
KEYACK
SO
CKO
LCD
CE
XO
XI
X1A
X0A
41
LCDANG
BATT
D509
BU IN
LINK OFF
BUS CLK
BUS SI
BUS ON
RESET
BUS SO
RESET
IC601
BU5V
SW801
RESET
D501
BATT
D507
LED
CONTROL
Q624, 625
BATT
D814
LED802-804
J801
(REMOTE IN)
ROTARY
ENCODER
RE900
DIMMER
CONTROL
Q628, 629
CORRENT
CONTROL
CONTROL
Q630, 631
KET ACTIVE
SW
Q801, 802
DATA
CLK
LCD
CE
32
14
INH
INH
VLC5
VLC4
VLC3
VLC2
VLC1
VLC0
GREEN
COLOR
SELECT
Q900, 902
2
AMBER
COLOR
SELECT
Q901, 903
LCD900
X501
3.68MHz
X502
32.768MHz
LCD ANGLE
CONTROL
Q621, 623
ILL
CONTROL
Q617, 619
ILL
CONTROL
Q626, 627
LED
CONTROL
Q611, 612
29
ILL ON
118
3
1
2
LED ON
47
KEYIN1
46
KEYIN0
30
DIMMER
KEY MATRIX
LSW901-909
912-918
LSW901-909
912-918
BATT
BATT
REG
IC606
INVERTER
UNIT
EL900
D819
SYSTEM CONTROL
IC501 (2/2)
LCD DRIVE
IC900
04
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