23
23
CDX-M8800/M8805X
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
LED DRIVER
Q907,908
LCD2
LIQUID
CRYSTAL
DISPLAY
X301
8MHz
X301
32.768MHz
11
13
XOUT
BATT
CNVSS
RESET
FL_DAT1
FL_CLK
XIN
23 GCP2
25 GCP1
27 GCP4
28
5
4
2
1
5
4
7
11
86
GCP3
F1(+)
31
SYS_CLK
30
SYS_SI
29
SYS_SO
1
SYS_CE
LCD_INH
7
CNVSS
U-CON 5V
DISP CKO
97
35
33
FL_CLK_IN
FL_CLK_IN
5
100
LCD_CE
LCD_INH
37
36
DISPLAY
SYSTEM CONTROL
IC2
1
2
DISP SO/TX
99
DISP SI/RX
98
DISP_CE
95
8 XIN
9 XOUT
X302
6MHz
13 OSC IN
11 OSC OUT
100
CNVSS
7
SIRCS 1
RESET 10
RAM_BU 91
MOT- 57
MOT+ 58
MOTOR ON 53
FP-I_DET 81
OPEN_SW 55
CLOSE_SW 54
OPEN_KEY 90
SYSTEM CONTROL
IC303 (3/3)
IC302
D905
RESET
BATT
1
2
3
+9V REG
IC703
IR
RECEIVE
IC62
IR
RECEIVE
IC503
7
7
1
1
KEYIN0 85
KEYIN1 84
RC IN1 70
RC IN0 86
KEY_ACK2 87
KEY_ACK0 88
KEY_ACK1 89
SW501
RESET
DC-DC
CONVERTER
Q623,624
LED DRIVER
Q905
SWITCH
Q621,622
+5V REG.
Q915
SWITCHING
DRIVE
Q620
FLD B+
SWITCH
Q914,916
KEY IN
MATRIX
S911-921
S901-910
FL 900
FLUORESCENT
INDICATOR
TUBE
T620
D622
D623,624
FL_VDD
F2(-)
S932
(RESET)
LCD_10V
FL_VDD
(+5V)
LCD_10V
LCD_CE1 98
LCD_CLK 99
LCD_DATA
LED DRIVER
Q906,Q609-915
LED B+
SWITCH
Q903,904
100
85
1
I
59
7
5
MOTOR
CURRENT
DETECT
IC701
MOTOR
DRIVE
IC702
3
1
4
7
9
6
LED DRIVER
Q503,504
S601 (OPEN)
S602 (CLOSE)
S931
(OPEN)
D512
(DISC IN)
CNJ101
(REMOTE IN)
GCP
LED931
(OPEN)
LED943
(IMAGE)
LED955
LCD
BACK
LIGHT
LCD_10V
GCP MIX
IC301
LCD DRIVE
IC10
83
I
76
SEG1
I
SEG59
75
I
68
LED_SW3
I
LED_SW10
COM1
I
COM8
LED_SW1
84 LED_SW2
DIMMER
21 LAT
22 BK
99 FL_DAT2
3 FL_DAT3
M601
(OPEN/CLOSE)
D70
(IR RECEIVER)
D513
(IR RECEIVER)
FL_ON
93
FLW_OUT
22
FLD_ON
92
RING
LICHT
RING
LICHT
BUTTON
LICHT
OUT
CT
SWITCHING
REGULATOR
IC620
V+
MAIN
SECTION
C
(Page 22)
