CDX-GT572
CDX-GT572
18
18
5-2. BLOCK DIAGRAM – DISPLAY Section –
KEY ACK
ENABLE
Q501
LED DRIVER
Q589,590
SYSTEM CONTROL
IC501 (2/2)
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RC1
RC0
D501
RE-0
DOOR_SW
RE-1
LED201
(DISC IN)
LED202
KEY MATRIX
S901–915
VOLUME
CONTROL
DIAL/
SELECT
BUTTON
RE901
ROTARY
ENCODER
J370
REMOTE
IN
(
)
CN201
CN901
14
14
+
X501
32.768kHz
X500
18.432MHz
S201
;
S102
(FRONT PANEL DETECT)
LCD DRIVER/LED CONTROL
IC901
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
LED930,931
(
)
LCD BACK
LIGHT
LCD BACK LIGHT
DIMMER CONTROL
Q901
;
S501
FREQUENCY
SELECT
(
)
+3.3V
FM(200k)
MW(10k)
FM(50k)
MW(9k)
DISP+B
R994
(
)
D946,949,
951–966,993
KEY
ILLUMINATION
