Block Diagram -Display Section - Sony CDX-M850MP Service Manual

CDX-M850MP
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
LINK OFF
CD
CD MON
SECTION
D
(Page 24)
BUFFER
IC701
2 6
BUS ON
CD
7 1
BUS CLK
SECTION
BUS SI 5 3
C
SYS RST
(Page 24)
BU CHK
INVERTER
BUS SO
Q904
CNP102
(BUS CONTROL IN)
8
6 3
5 2
4 1
7
BATT
SW
Q901-903
BATT
1
I
LCD2
103
LED SW1
LED CONTROL
105
Q907,908
LED SW2
LED CONTROL
Q903,904
FL 900
GCP
11
T800
FL+
DC-DC CONVERTER
FL-
BUFFER
FLVDD
IC903
8
12
6 14
4 16
CD ON
2 18
CLOSE
OPEN
BUS INTERFACE
IC301
8
DATA
6
9
CLK
4 11
BUS ON
BUS
1 12
ON
RST
2 RESET 13
BATT
BATT 3 10
CHECK
BATT DET
Q101
DISPLY SYSTEM CONTROL
IC2
LCD DRIVER
IC1
11 XOUT
X301
SEG1
30MHz
XIN
I 13
SYS CE 1
SEG95
37 LCD INH
INH 117
COM1
SYS SO
29
LCD CE
I CF 118 36
SYS SI 30
COM8
CLK 119 35 FL CLK
SYS CLK 31
DATA 120 33 FL DAT1
CNVSS 7
104 106
DIMMER
CONTROL
21 LAT
Q905
22 BK
99 FL DAT2
3 FL DAT3
5 23 GCP2
4 25 GCP1
FL CONTROL
IC301
2 27 GCP4
GCP3
1 28
FL POWER
CONTROL
BATT
IC800
Q801,802
26 26
SYSTEM CONTROL
IC303 (2/2)
D70
30 UNI SI IR
SIRCS 1 7 RECEIVE 1
IC62
29 UNI SO
D513
IR
31 UNI CKO
7 RECEIVE 1
IC503
64 BUS ON
KEY IN0 85
KEY IN
MATRIX
KEY IN1 84
65 SYSRST
RC IN1 70
CNJ101
(REMOTE IN)
RC IN0 86
18 BU IN
KEY ACK2 87
KEY ACK0 88
KEY ACK1 89 IC302
RESET 10 1 RESET 2 +5V
RAM BU 91
95
DISP CE
98 S932 SW501
DISP SI/RX
(RESET) RESET
99 DISP SO/TX
100 DISP CKO
MOTOR+B REG
7 1 3 MT+B
CNVSS BATT
IC306
2
(OPEN/CLOSE9
MOTOR
3
MOT+ 78 11
DRIVE
14
IC307
MOT- 77 6
16
12
VREF
MT+B CONTROL
Q306,307
FP CTRL 2
I-DET
I-DET
I-DET 76 7 3
Q305
IC308
OPEN SW 75
SW900
CLOSE SW 74 (OPEN/CLOSE)
D512
(DISC IN)
LED CONTROL
Q503,504
93 FLON
S931
OPEN KEY 90
(OPEN)
72
CD SELF SW
16 CD PACK
+5V REG
+10V FL+5V
Q914-916
58
CD RFOK
FLD ON 92
54
CD RST
M601