Read Sony CDX-R3350 / CDX-R3350C Service Manual online
15
15
CDX-R3350/R3350C
CDX-R3350/R3350C
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 14)
S900-908,
910-922
KEY ACK
SWITCH
Q664
X502
32.768kHz
79
80
82
83
41
28
29
27
40
52
76
71
43
64
2
1
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
KEYIN0
DATA
CLK
CE
LCDSO
LCDCKO
LCDCE
KEYIN1
KEYACK
XKEYON
RCIN1
RCIN0
SIRCS
VCC
77
1
2
RESET
70 RETRA SW
PANEL+10V
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RESET
IC602
XIN
XOUT
OSCOUT
OSCIN
X501
18.432MHz
63
64
62
1
COM4
COM1
LCD
LCD901
LED902-908,
910-922,961
910-922,961
LED932
LCD
BACK LIGHT
D501
J561
(REMOTE IN)
51
I
54
4
I
50
•
55
I
SEG4
SEG51
I
DI
CL
CE
DIMMER
R3350C
R3350
BACKUP +3.3V
RESET
LED
ILLUMINATION
(
)
(
)
KEY MATRIX
LED
DRIVE
Q901
2
AMBER
LED
DRIVE
Q902
3
GREEN
LED
DRIVE
Q903
S702
RESET
S961
(DOOR)
VDD VOUT
OUT
MAIN
SECTION
C
3-4. CIRCUIT BOARDS LOCATION
MAIN board
KEY board
SENSOR board
SERVO board
tuner unit
(TU1)
(TU1)
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