Block Diagram -Display Section - Sony CDX-R3000 Service Manual

3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
IC501 (3/3)
KEY MATRIX
KEYIN0
95
LCDSO
S900-908,
910-922 LCDCKO
94 KEYIN1
LCDCE
D502
KEY
ACTIVE 27 KEYACK
Q664
25 XKEYON
D501
20 RCIN1
J561 96 RCIN0
(REMOTE IN)
IC971
REMOTE 3
83 SIRCS
RECEIVER
4
IC981
4 3
VLCD
PANEL +B
CONTROL
OSCOUT
15 XIN
X502
32.768kHz OSCIN
16 XOUT
RETRA
LCD DRIVER
IC901
72 64 DI DATA
74 63 CLK CL
SEG3 3
CE CE
73 62
| |
SEG50 50
LCD
LCD901
51
COM4
| |
COM1 54
1 ON/OFF
PANEL +B
LED902-908,
910-922
( )
KEY
ILLUMINATION
PANEL +B
LED931,932
(LCD BACK LIGHT)
LED ON/OFF
PANEL +B
SWITCH
Q902
LED961
D963
LED
(DISC IND)
DRIVER
Q901
12
X501
27MHz
S961
D962
13
OPEN
7
21 21
CDX-R3000/R3000T