Sony MEX-5DI - Page 33

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3. Display Products
Table 3-5 - Model MEX-5Di Power Consumption
Battery only Battery & Acc Panel motor On CD playback
2.6mA (dark) 0.93A Clock & backlight
1.00A Full width picture
1.06A 1.3A
Power On Circuit – Refer to Figure 3-20. System Control (Syscon IC501) detects Acc voltage (car On) and
powers up the unit by turning on various regulators, including the voltage to the backlight. Communications
(TXD / RXD) from Syscon IC501 to the digital board recalls the last picture displayed (if any). The digital board
is replaced, not repaired.
81
57
Q866-7
POWER
CONTROL
Q807, 811
IC501
SYSCON
13
12
9-13 15-19
21-25
POWER
9
10
IC801
DC-DC
CONV.
Q8110,
Q812
DRIVER/
FILTER
IC202,
Q201
DIMMER
11
IC200
FILTER
5
7 2
72
OSC.
Q202,
Q203
T200
HV
BATT.
A CC
BATT.
+
C211
22
R200
330
IC202 Q206 Q203
HV
T200
CN201
IC200
C211
L201
CN200
2 1
+
55Hz
6Vp-p
3Vp-p
Q200
C202 0.1
TOP
IC207 RGB
DRIVER
MEMORY
STICK
Q405
8.4V
L201
9V
Q206
P
2.6V
Q207
8.5V
TUNER,
AUDIO
DIM-BRIGHT
3-9V
OV
R221,
R227
2.2k
CN200
BACK
LIGHT
9V
DIGITAL BD.
R G B
R
G B
PWM
CN1012/
CN201
CN401
9V
D206
V3
RXD
TXD
CN901/
CN/002
9V
LCD 201
R218
15k
R216
100k
FDBK
9.0V
DISPLAY BD.
DISPLAY BD.
5 7
41
42
43
44
38
1
2
MAIN BD.
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FIGURE 3-20 - MEX-5Di POWER ON/BACK LIGHT
16
7
22A125 1542 11/12/02