Read Sony CDX-GT30RN Service Manual online
17
17
CDX-GT30RN
CDX-GT30RN
4-3. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 15)
KEY ACKNOWLEDGE
SWITCH
Q664
X502
32.678kHz
79
80
7
9
41
28
29
27
40
52
76
77
SYSTEM CONTROL
IC501 (3/3)
CAN SYSTEM CONTROL
IC210
LCD DRIVER
IC901
FAULT-TOLERANT
CAN TRANSCEIVER
IC250
HIGH SPEED CAN
TRANSCEIVER
IC260
CAN SERIAL DATA AMP
IC270
KEYIN0
CLK
CE
LCD SO
2
DIMMER
4
3
COLLER1
COLLER2
LCD CKO
LCD CE
64
SIRCS
KEYIN1
31 RE-IN0
32 RE-IN1
KEY ACK
XKEY ON
7 NOSE DET
88 SYS RST
RESET
3 AREASELO
2
1
XIN
XOUT
X501
18.432kHz
83
82 OSC IN
OSC OUT
XOUT
XIN
49
LOOM DET
37
LOOM DET PND
BU+5V
6
RESET
60
CNVSS
X210
8MHz
S702
RESET
63
64
62
COM4
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D501
D510
5
|
50
•
55
51
|
54
|
S1
S48
|
CL
DI
CE
LED804,806–808,
811–819,841–844,851
LSW901–903,909,910,920
811–819,841–844,851
LSW901–903,909,910,920
LED904,906–908,
911–919,941–944,951
LSW901–903,909,910,920
911–919,941–944,951
LSW901–903,909,910,920
DIMMER
LED DRIVE
Q931
LED DRIVE
Q992
LED932
PANEL+B
BU+3.3V
SYS RST
(
)
KEY MATRIX
2
BATT
TXD
3
RXD
RESET
IC602
LSW901–903,909,910,920
S904,906–908,911–919
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
VDD VOUT
1
BACK
LIGHT
BACK LIGHT
LED DRIVE
Q932
LED DRIVE
Q991
LCD BACK
LIGHT
CD
SECTION
C
SYS RST
MAIN
SECTION
D
MAIN
SECTION
E
•
60
FT CAN H
HS CAN H
HS CAN H
FT CAN L
BUS ON
BUS DATA
BUS CLK
ACC OUT
43
RC IN0
SELECT
SWITCH
Q220–229
SYS RST
45 SW SHIFT
71
RC IN1
SHIFT
SWITCH
Q230
BU+5V
3
4
1
2
6
5
7
CN211
11 CANH
RTH
8
12 CANL
9 RTL
14 BATT
22 FT CAN SEL
5
1
STB
4
EN
INH
19 FT CAN STB
13 FT CAN ERR
20 FT CAN INH
7
6
WAKE
ERR
17 FT CAN WAKE
18 FT CAN EN
31 BUS DATA
32 BUS CLK
43 ACC
BUS RESET
14 BUS ON
REMOTE CONTROL
SIGNAL RECEIVER
IC971
FL250
FILTER
25
F–TXD
F–RXD
F–BUST
26
28
9
11
8
10
12
13
1
TXD
4
RXD
7 CANH
6 CANL
CAN RX
64
63 CAN TX
21 HS CAN SEL
8
STB
16 HS CAN STB
BU+5V
FL251
FILTER
2
6
3
1
5
4
WAKE UP
SWITCH
Q250
SW MODE
SW SOUND
SW VOL–
SW VOL+
SW SEEK–
SW DSPLY
SW SEEK+
SW SOURCE
SW OFF
SW ATT
46
•
47
•
52
•
53
•
54
•
55
•
56
•
57
•
58
•
60
LOOM
DETECT
Q236
RESET
SWITCH
Q218
RESET
IC220
S502
FREQUENCY
SELECT
(
)
BU+3.3V
E MODEL
10K
9K
(Page 16)
(Page 16)
Ver. 1.1
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