Block Diagram -Display Section - Sony cdx-c8050x Service Manual

CDX-C8050X
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
BUS SI
UNI SO
BUS CLK
2
BUS ON
BUS CHECK
TO CD
SECTION
LINK OFF
(Page 26)
S RST 6
LCD DRIVER
IC901
DATA
CLK
CE
LCD901
86
Q903
LCD+B
REG
BATT
Q110
04
SUB SYSTEM CONTROL
IC701
98 UNI SI SP SI 61
SP SCK 63
97 UNI SO
UNI SCK
101
38 BUS ON
49 BUS IN
82 NMI
LINK OFF
50
BU 5V
BUF
7 81 RES XTAL 85
IC702
X105
18.43MHz
86
EXTAL
BU 5V
J651
(REMOTE IN)
100 60 LCD DATA
64 CLK
99
98 66 CEI
BOOT
57
SP LAT 33
ILL ON 52
POWER
LCD+B
BATT CONT.
Q703-705
REG
A 3.3V
+6V
IC801,Q801
REG
DSP5V
Q802
BU5V
IC802
1 REG 3 D3.3V
SYSTEM CONTROL
IC502 (3/3)
RE901
ROTALY
ENCODER
SO 26
115
RE IN1
SI 25
AD ON
116 REIN0
CONT. AD ON CKO 27
Q702
RST 36
DSP
LAT 35
READY 78
80 ADON
MST 29
KEY
ACTIVE 79 KEY ACK
Q701
DATA
72 RC IN1
48 LRCK
RC IN0
1
KEY IN 46 KEY IN0 BCK
TO CD
MATRIX
47
KEY IN1
SECTION
(Page 26)
106 BOOT
4 16M
SP LATCH
82
FLASH ON
DSPPLL 28
LED
118 DOOR IND
DRIVE
BEEP
Q771,772
DRIVE
BEEP 15
LED771-773
Q351
S102
117 NOSESW
FSW IN 65
(NOSE DET)
DSP ON 110
IC504
RAM
BU5V 2 1 85 RAMBU
BATT
BACKUP
Q101
F CH 98
DISC ON IN 76
+6V
28 28
DSP
IC805
IC807
63 DAILO 27 FL
RVDT
61
TRDT
59 SCK DA3RO 54 R-CH
IC807
57 SYS RST
62 DA1RO 29 RL
XLAT
60
REDY
R-CH
DA3LO 52
IC809
77 MST/SLV
BUFFER
DA2RO 43 SR
IC803
ADL IN 35 ADL
9 8 71 SI1
ADR IN 46 R-CH
76
2 3 LRCK
5 6 75 BCK MCK0 40
X801
16.9MHz
MCK1 41
AND
4 2 58 BFOT
IC804
1
82 PLL CNT
IC804
BZ101
ON/OFF
DRIVE
+6V
Q103,105,
Q106
1
OUT
POWER
CONT. 2 VCC INP 4
Q102,104
DC/DC
RT
CONV.CONT.
7
IC302
5
MD ON
TO CD
CD ON
SECTION
(Page 26)
POWER
REG
CONT. CD5V
Q402,403
Q406,407
MD6V
3
TO TUNER
SECTION
(Page 27)