Block Diagram - Panel/Power Supply Section - Sony MEX-DV150UE Service Manual

Multi disc player
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5-3.

BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -

LCD901
LIQUID
CRYSTAL
DISPLAY
ILL B+
LED928, 932, 935
LED901
PUSH SOUND/ENTER
(LCD BACK LIGHT)
(VOLUME)
2
DIMMER
SWITCH
Q901
LED DRIVE
1
Q907
LED DRIVE
SWITCH
Q902
4
S902 – 908,
LSW901 (1/2), 905 (1/2) – 913 (1/2),
RE901 (1/2)
RE901 (2/2)
PUSH SOUND/ENTER
(VOLUME)
MEX-DV150UE/DV1500U/DV1505U
LCD DRIVER
SYSTEM CONTROLLER
IC901
IC503 (3/3)
DI
64
3
LCD_SO
CL
63
5
LCD_CKO
S1 – S48
CE
62
4 LCD_CE
COM1 – COM4
RESET 10
DIMMER
BACK-LIGHT
BLINK
FSW_IN 1
3.3V_ON 67
FSW_OUT 68
87
KEYACK0
BU_IN 73
99
RE_0
ROTARY
ENCODER
100
RE_1
ACCIN 43
REMOTE CONTROL
PARKING 42
RECEIVER
2
SIRCS
IC902
11
13
9
8
X502
X501
6MHz
32.768kHz
M850
M
(FAN)
+1.8V
D+1.8V
REGULATOR
IC101
+3.3V
VIDEO +3.3V
REGULATOR
IC17
DR+5V
+5V
TU +5V
REGULATOR
Q201
AUDIO +8.3V
+3.3V
B/U +3.3V
REGULATOR
IC501
RESET SIGNAL
GENERATOR
IC502
S501
RESET
LED907, 911, 913 – 915, 918,
LED924, 925, 930, 931,
LSW901 (2/2), 905 (2/2) – 913 (2/2)
(KEY ILLUMINATION)
LED922
(DISC SLOT ILLUMINATION)
ILL B+
USB+5V
+3.3V
+5V
D+3.3V
REGULATOR
REGULATOR
IC431
Q401– 403
BATTERY
CHECK
Q871– 873
ACCESSORY
CHECK
Q801
D818
19
19
MEX-DV150UE/DV1500U/DV1505U
REGULATOR
IC802 (2/2)
33 REG4
CN801 (2/2)
30 REG1
D809
5
SW1 29
AMP-R
D810
6
37 REG2
SW2 27
ANT-R
VP1 20
VP2 6
19
VP 35
B+
34 REG5
B/U B+
DC/DC CONVERTER
IC401
2
SW
V_IN 1
EN
RT
7
6
OSC
Q405
7
ACC
15
PARKING

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