Block Diagram -Display Section - Sony CDX-CA850X Service Manual

3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SUB SYSTEM CONTROL
IC701
98 UNI SI
BUS SI
UNI SO 97 UNI SO
BUS CLK 101 UNI SCK
2
BUS ON 38 BUS ON
LINK OFF
LINK OFF 50
CD
XTAL 85
SECTION
BUF
S RST 6 IC702 7 81 RES
(Page 23) 86
EXTAL
PW ON 33 PW ONI
3
SA CLK 1 SA CLK
TUNER
SA OUT 112 SA OUT
SECTION
(Page 24)
BOOT 57
ILL ON 52
LCD DRIVER
IC901
60 LCD DATA
DATA 100
CLK 99 64 LCD SCK
98 66 LCD CE1
CE
LCD901
86
DIMMER
CONTROL
Q903
LSW921 LED910-913
LCD+B
REG
BATT BU5V
Q501
SYSTEM CONTROL
80
ADON
X701
KEY
18.432MHz
ACTIVE 79 KEY ACK
Q701
CA850
107
RC IN1
J651
(REMOTE IN)
48 RC IN0
46
KEY IN KEY IN0
MATRIX
47 KEY IN1
57 BOOT
BOOT
82 FLASH ON
FLASH ON
POWER
BATT CONT. LCD+B
Q702,703
LED851
LED
DOOR IND
DRIVE 58
Q705,706
S102
81 NOSESW
(NOSE DET)
25
IC501 (3/3)
POWER POWER
+6V REG
BATT
CONT. CONT.
Q401
Q402,403 Q405,407
CD 6V
25
CDX-CA850/CA850X/CA860X
5
MD ON
CD
CD ON
SECTION
(Page 23)
+5V REG
CD 5V
Q406