Sony CDX-M50IP - Block Diagrams (Display Section); 5-2. Block Diagram - Display Section

2222
CDX-M50IP/MR50IP
CDX-M50IP/MR50IP
5-2. BLOCK DIAGRAM — DISPLAY SECTION —
KEY ACK
ENABLE
Q501
LED DRIVER
Q589,590
40
28
29
27
41
52
48
SYSTEM CONTROL
IC501 (2/2)
REMOTE CONTROL
SIGNAL RECEIVER
IC971
KEYIN1
71
RC_IN1
RC1
RC0
D501
43
RC_IN0 LCD_SO
LCD_CKO
LCD_CE
30
DOOR_IND
64 3
SIRCS OUT
KEYIN0
32
RE–IN1
RE-0
DOOR_SW
RE-1
31
RE–IN0
XOUT
XIN
KEY ACK
AD_ON
70
DOOR_SW
75
NOSE_SW
LED201
(DISC IN)
LED202
KEY MATRIX
S901–915
VOLUME
CONTROL
DIAL/
SELECT
BUTTON
RE901
IPOD-ATT
BUIN
IPOD-SYSRST
UNISCK
UNISO
UNISI
ROTARY
ENCODER
J370
REMOTE
IN
()
CN201CN901
1414
+
80
79
X501
32.768kHz
OSCIN
OSCOUT
83
82
X500
18.432MHz
57
BUSON_A
S201
Z
MAIN
SECTION
A
MAIN
SECTION
B
MAIN
SECTION
C
3
AREASEL2
S102
(FRONT PANEL DETECT)
3
IPOD ADAPTOR
IC250
IPOD CHARGE CONTROL
IC800
CN801
IPOD
CONNECTOR
14
OC1A
XTAL1
XTAL2
BATT
3 1
2
12
INT1
SCK
1
MOSI
D510
2
MOSO
D250
4
RESET
41
T1
11
INT0
IPOD-CHARGE
IPOD-RX5V
IPOD-3.3V
IPOD-TX5V
IPOD-DET
42
AIN0/INT2
16
OC2
LCD DRIVER/LED CONTROL
IC901
CL
CE
77
78
76
80
COM1
I
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
3
|
64
65
|
68
S1
I
S62
DIMMER
DI
LED930,931
()
LCD BACK
LIGHT
LCD BACK LIGHT
DIMMER CONTROL
Q901
Z
S501
FREQUENCY
SELECT
()
+3.3V
M50IP
FM(200k)
AM(10k)
FM(50k)
AM(9k)
GREEN
2
GREEN LED
CONTROL
Q919
RED LED
CONTROL
Q920
LED902–916,
943,947,
948,950
DISP+B
()
RED
1
KEY/VOLUME
ILLUMINATION
()
D946,949,
951–966,993
KEY
ILLUMINATION
BUS ON/OFF
SWITCH
Q824
IPOD DETECT
SWITCH
Q806
7
RXD
IPOD TX+5V
CONTROL
SWITCH
Q801,802
IPOD RX+5V
CONTROL
SWITCH
Q803,804
X250
7.3728MHz
7
8
1
4
6
7
8
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