Block Diagram - Main Section - Sony MEX-R5 Service Manual

MEX-R5
5-3. BLOCK DIAGRAM – MAIN Section –
LIQUID
CRYSTAL
DISPLAY
LCD911
29
DISPLAY B+
LED931, LED932
(LCD BACK LIGHT)
Q925
LED
CONTROL
E
(Page 20)
MEX-R5
LCD DRIVER
IC901
DI 78
S1 – S62
CL 77
CE 76
COM1 – COM4
S902, S914 – S918
2 NC1
LSW901, LSW903 – LSW913,
NC2
LSW918 – LSW921
1
CNJ601
REMOTE IN
D501
KEY ACTIVE
SWITCH
Q501
IR RECEIVER
IC972
LED961, LSW901
(DISC SLOT ILLUMINATION)
S961
(PANEL OPEN DETECT)
CN901 CN401
12 12
RXD, TXD,
CTS, RTS
RXD LEVEL SHIFT
IC506
TXD
LEVEL SHIFT
IC505
CTS
RTS
SW3
(DISC IN)
SW2
(SELF LOAD)
SW3
(DOWN)
(CHUCKING END)
+6V
REGULATOR BU B+
IC103
D101 D102
LOADING MOTOR
M3 M M
DRIVE
(LOADING)
IC102
SONY BUS INTERFACE
SYSTEM CONTROLLER (FOR SONY BUS)
IC501 (2/2) IC603
UNISO 57 9 DATA IN
DATA 6
UNISI 56 8 DATA OUT
LCDSO
17
18 LCDCKO
UNICLK 58 11 CLK IN CLK 4
19 LCDCE
BUSON 59 12 BUS ON BUS ON 1
SYSRST 60 13 RESET RST 2
BU_IN 46 BU_IN BATT 3
10
37 KEYIN1
36 KEYIN0
83 RCIN1
38 RCIN0
52 AD_ON
X1A 77
X502
32.768kHz
X0A 78
KEY-ACK
45 X1 81
X501
3.68MHz
62 SIRCS X0 80
100 DOOR SW
TEMP 43 TH501
RF +5V
99 NOSE SW
RF_ON 71
D502
RUMBU 76
RESET SIGNAL
RSTX 75 GENERATOR
S501
RESET
26 TXD
RXD
25
69 CD_CTS
68 CD_RTS
63 INSW
54 SELFSW
FANH 6
FANL 97
65 DSW
ACCESSORY
ACCIN 55 CHECK
Q802
ILLUMINATION
ILLIN 85 CHECK
Q804
LEVEL SHIFT
TELLATT 84
Q803
72 LOAD
73 EJECT PARKING 42
22 22
CN602
BUS CONTROL IN
5
B-DATA
4
B-CLK
6
BUS-ON
2
RESET
D604 TH601
7
+BATT
BATTERY
DETECT
Q604
BU B+
+3.3V
V +3.3V REGULATOR
IC9
+1.5V
A +1.5V REGULATOR
IC5
+3.3V
A +3.3V REGULATOR
IC8
+1.5V
REGULATOR
D +1.5V REGULATOR
IC306 (2/2)
IC101
DR +5V,
33 REG4
A +5V
+5V
TU +5V REGULATOR
Q201
B+ SWITCH
Q906, 907
+5V
DAC +5V REGULATOR
IC801
AUDIO +8.3V,
30 REG1
TU +8.3V
+3V
IC502
REGULATOR
BU +3V
IC503
B/U +5V 37 REG2
D+3.3V 31 REG3
DISPLAY B+ 34 REG5
LED902, LED914 – LED918
LED961, LSW901,
LSW903 – LSW913,
LSW918 – LSW921
(ILLUMINATION)
M901
M M
(FAN)
FAN SPEED
CONTROL
Q901
CN801 (2/2)
5
SW1 29 AMP-R
6
SW2 27 AMT-R
19
VP 35 +B
BU B+,
BUS B+,
FAN MOTOR
DRIVE
Q902, 903
7
ACC
14
ILL
13
TEL-MUTE
15
PARCKING