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CDX-GT527EE/GT570/GT570S
5-2. BLOCK DIAGRAM — DISPLAY SECTION —
RC1
71 RC_IN1
J370
(
)
REMOTE
RC0
IN
43 RC_IN0
D501
40
KEY MATRIX
S901–915
41
S201
Z
KEY ACK
ENABLE
52
Q501
RE901
76
VOLUME
CONTROL
DIAL/
SELECT
BUTTON
+
ROTARY
RE-0
48 RE_IN1
ENCODER
RE-1
47 RE_IN0
79
X501
32.768kHz
80
82
X500
18.432MHz
83
CN901
CN201
14
14
70 DOOR_SW
DOOR_SW
MAIN
A
SECTION
(Page 21)
+3.3V
FM(200k)
MW(10k)
S501
(
)
3 AREASEL2
FREQUENCY
SELECT
FM(50k)
MW(9k)
E,CH,IND,MX MODEL
• Abbreviation
S102
CH : Chinese model
(FRONT PANEL DETECT)
IND: Indian model
MX : Mexican model
7 NOSE_SW
CDX-GT527EE/GT570/GT570S
SYSTEM CONTROL
LCD DRIVER/LED CONTROL
IC501 (2/2)
IC901
3
S1
LCD_SO
28
LCD901
78
DI
|
I
LCD_CKO
29
77
CL
64
S62
LIQUID
LCD_CE
27
76
CE
CRYSTAL
DISPLAY
COM1
65
PANEL
I
|
COM4
68
KEYIN1
KEYIN0
LCD BACK LIGHT
DIMMER CONTROL
DIMMER
80
Q901
KEY ACK
1
2
DISP+B
AD_ON
GT527EE
LED902–916,
943,947,
948,950
(
KEY/VOLUME
)
ILLUMINATION
GREEN LED
CONTROL
Q919
XOUT
RED LED
CONTROL
XIN
Q920
OSCIN
OSCOUT
LED201
LED DRIVER
(DISC IN)
DOOR_IND
46
Q589,590
LED202
Z
REMOTE CONTROL
SIGNAL RECEIVER
IC971
SIRCS
64
3
OUT
LED930,931
(
LCD BACK
)
LIGHT
D946,949,
951–966,993
KEY
(
)
ILLUMINATION
R994
GT570/GT570S
22
22
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