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4-2.
BLOCK DIAGRAM – DISPLAY Section –
J701
(REMOTE IN)
H910UI
FM (200k)
/AM (10k)
S502
FREQUENCY
SELECT
FM (50k)
/AM (9k)
RESET
IC303
2
VIN
1
BU+3.3V
VOUT
RESET
MAIN
SYS_RST
A
SECTION
MC_TX
(Page 18)
MC_RX
CN501
RX
4
TX
5
F_WRITE
7
1
RESET
TEST
PIN
CLK
2
NCO
3
CDX-H910UI/HR910UI
SYSTEM CONTROL
IC501 (2/2)
34
RC_IN1
LCD_CE 48
41
RC_IN0
LCD_SO 49
45
KEY_ACK0
LCD_SCK 50
SIRCS 95
92
OSC_OUT
X501
7.92MHz
RE_IN1 12
93
OSC_IN
RE_IN0 11
13
X_OUT
X502
KEY_IN1 39
32.768kHz
KEY_IN0 40
14
X_IN
KEY_ACK1 46
BU+3.3V
55
AREA_SEL2
DOOR_SW 5
54
RESET
S503
S802
RESET
(PANEL OPEN DETECT)
DOOR_IND 6
Q503
51
MD2
USB_ON 79
USB_OVR 89
Q502
53
MD0
F801
61
CLK
BATT
78
FLASH_EN1
Q501
DD_ON
80
SYNC_OUT 99
LCD_CE
LCD_DATA
LCD_CLK
SIRCS
FRONT
PANEL
UNIT
RE_IN1
RE_IN0
KEY_IN1
KEY_IN0
+B–ILL
+B
ILL+10V
LSW801 (1/2)
DOOR SWITCH
MAIN
B
DETECT
DOOR_SW
SECTION
Q504
(Page 18)
DOOR LED
LED801 (DISC-SLOT)
DRIVE
LSW801 (2/2) ( )
Q908, 909
R803,804
SWITCHING
+B SWITCH
DRIVER
Q801, 802
Q803
7
ISNS
DRV 6
8
VCC
FB 4
Q 5
2
B
1
RC
1
A
CLR 3
D804
DC-DC CONVERTER
IC801
WAVE SHAPER
IC803
19
19
USB POWER
CONTROL
IC802
4
/EN
5
OC
L802
OUT 6
USB B+
SWITCH
2
IN
OUT 7
Q806
3
IN
OUT
8
D802
HIGH VOLTAGE
DETECT
Q804, 805
CD
D+ (USB)
MECHANISM
UNIT
(MG-101Z)
D– (USB)
(2/2)
CDX-H910UI/HR910UI
• Signal Path
: USB
CN203
(USB IN)
(VBUS)
5
4
3
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