Sony CDX-M800 Service Manual - Page 23

Block Diagram — Display Sw501, Reset - receiver

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4-4. BLOCK DIAGRAM - DISPLAY SECTION - CNP102 (BUS CONTROL IN) 8 63 52 41 7 BATT BUS INTERFACE IC301 DATA 8 6 9 CLK 4 11 1 BUS ON 12 2 RESET 13 BATT BATT BATT DET Q101 LCD DRIVER IC1 LCD2 LED CONTROL Q907,908 1 SEG1 I I SEG95 103 COM1 I COM8 LED SW1 105 INH 117 CF 118 CLK 119 DATA 120 DIMMER 104 106 LED CONTROL LED SW2 Q903,904 DIMMER CONTROL Q905 FL 900 3 BATT 10 CHECK X301 30MHz SUB SYSTEM CONTROL IC2 11 XOUT 13 XIN 37 LCD INH 36 LCD CE 35 FL CLK 33 FL DAT1 SYS CE 1 SYS SO 29 SYS SI 30 SYS CLK 31 CNVSS 7 21 LAT 22 BK 99 FL DAT2 3 FL DAT3 FL+ FLFLVDD GCP T800 5 FL CONTROL 4 11 IC301 2 1 DC-DC CONVERTER IC800 23 GCP2 25 GCP1 27 GCP4 28 GCP3 FL POWER CONTROL Q801,802 93 FL ON BATT SYSTEM CONTROL IC303 (3/3) 30 UNI SI 29 UNI SO SIRCS 1 31 UNI CKO 64 BUS ON 65 SYSRST 18 BU IN KEY IN0 85 KEY IN1 84 RC IN1 70 RC IN0 86 IR 7 RECEIVE 1 IC62 IR 7 RECEIVE 1 IC503 D70 D513 KEY IN MATRIX AEP,UK,E MODEL CNJ101 (REMOTE IN) KEY ACK2 87 KEY ACK0 88 KEY ACK1 89 RESET 10 IC302 1 RESET 2 +5V 95 DISP CE 98 DISP SI/RX 99 DISP SO/TX 100 DISP CKO RAM BU 91 7 CNVSS BATT MOT+ 78 MOT- 77 MT+B S932 (RESET) SW501 RESET 1 MOTOR+B REG IC306 3 2 MT+B MOTOR 11 DRIVE 6 IC307 12 VREF CONTROL Q306,307 M601 (OPEN/CLOSE9 3 14 16 FP CTRL 2 I-DET 76 OPEN SW 75 CLOSE SW 74 I-DET Q305 7 I-DET 3 IC308 SW900 (OPEN/CLOSE) LED CONTROL Q503,504 D512 (DISC IN) OPEN KEY 90 S931 (OPEN) CDX-M800 23 23

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23
23
CDX-M800
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
LED CONTROL
Q907,908
LCD2
8
9
11
10
4
2
1
3
5
4
6
8
7
BUS INTERFACE
IC301
BATT
CNP102
(BUS CONTROL IN)
6
13
2
RESET
12
1
BUS
ON
DATA
CLK
3
BATT
CHECK
X301
30MHz
11
13
XOUT
FL ON
BATT
FL DAT1
FL CLK
XIN
23 GCP2
25 GCP1
27 GCP4
28
5
4
2
1
11
GCP3
FL+
31
SYS CLK
30
SYS SI
29
SYS SO
1
SYS CE
INH
7
CNVSS
+5V
DISP CKO
117
35
33
LCD CE
LCD INH
37
36
93
SUB SYSTEM CONTROL
IC2
1
2
DISP SO/TX
99
DISP SI/RX
98
DISP CE
95
18
BU IN
65 SYSRST
64
BUS ON
31
UNI SO
UNI CKO
29
UNI SI
30
100
CNVSS
7
SIRCS
1
RESET
10
RAM BU
91
FP CTRL
2
MOT-
77
MOT+
78
I-DET
76
OPEN SW
75
CLOSE SW
74
OPEN KEY
90
SYSTEM CONTROL
IC303 (3/3)
IC302
RESET
MT+B
MT+B
BATT
1
2
3
MOTOR+B REG
IC306
IR
RECEIVE
IC62
IR
RECEIVE
IC503
7
7
1
1
KEY IN0
85
KEY IN1
84
RC IN1
70
RC IN0
86
KEY ACK2
87
KEY ACK0
88
KEY ACK1
89
SW501
RESET
DIMMER
CONTROL
Q905
FL POWER
CONTROL
Q801,802
BATT
BATT
LED CONTROL
Q903,904
DC-DC CONVERTER
IC800
KEY IN
MATRIX
FL 900
T800
FLVDD
FL-
BATT DET
Q101
S932
(RESET)
CF
118
CLK
119
DATA
DIMMER
120
106
104
105
1
I
103
7
3
I-DET
IC308
MOTOR
DRIVE
IC307
11
6
14
3
12
16
VREF
CONTROL
Q306,307
I-DET
Q305
LED CONTROL
Q503,504
SW900
(OPEN/CLOSE)
S931
(OPEN)
D512
(DISC IN)
CNJ101
(REMOTE IN)
AEP,UK,E MODEL
LED SW1
LED SW2
GCP
FL CONTROL
IC301
LCD DRIVER
IC1
SEG1
I
SEG95
COM1
I
COM8
21 LAT
22 BK
99
FL DAT2
3
FL DAT3
M601
(OPEN/CLOSE9
D70
D513