Block Diagram -Display Section; Circuit Boards Location - Sony CDX-R30M Service Manual

3-3. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIX
S900-908,
910-922
KEY ACK
D501 SWITCH
Q664
J561
(REMOTE IN)
PANEL+10V
1
VCC
OUT 2
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RESET
IC602
VDD VOUT
BACKUP +3.3V 2 1
MAIN
C RESET
SECTION
(Page 16)
S961
(DOOR)
EXCEPT R3310
BACKUP+3.3V
10K
S502
( )
FREQUENCY
SELECT
9K
X502
32.768kHz
CDX-R30M/R3310/R3410/R3410S
SYSTEM CONTROL LCD DRIVER
IC501 (3/3) IC901
KEYIN0
41
LCDSO 28 64 DATA DI
4
LCDCKO 29 63 CL CLK
SEG4
40 KEYIN1 I
LCDCE CE CE
27 62
I
50
SEG51 •
55
52 KEYACK
51
COM4
I I
COM1 54
76 XKEYON
LED
RCIN1 DIMMER 1 DRIVE
71
Q901
43 RCIN0
PANEL+10V
64 SIRCS
77 RESET
S702
RESET
70 RETRA SW
3 AREASEL0
OSCOUT 82
79 XIN
X501
18.432MHz
OSCIN
80 XOUT 83

3-4. CIRCUIT BOARDS LOCATION

LCD
LCD901
LED931,932
LCD
( )
BACK LIGHT
LED902-908,
910-922,961
LED
( )
ILLUMINATION
17 17
CDX-R30M/R3310/R3410/R3410S
SERVO board
SENSOR board
MAIN board
KEY board
tuner unit
(TU1)