Magnavox 26MD301B Manuel de service Page 31

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Vue de la page 30
9-1
BLOCK DIAGRAMS
FL11.4ABLS
1. System Control Block Diagram
TO INVERTER
BLOCK DIAGRAM
TO VIDEO/AUDIO
BLOCK DIAGRAM
TO
POWER SUPPLY
BLOCK DIAGRAM
PROTECT1
P-ON-H2
P-ON-H1
CN3101
CN3701
CN3701
Q3006
Q3501
Q3005
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
BACKLIGHT-SW
PROTECT3
VCOM-PWM
KEY SWITCH
IR SENSOR CBA UNIT
FUNCTION CBA UNIT
POWER SUPPLY CBA
CN632
CN632
IC200, Q202,
Q203, Q204
AL+3.3V
CN4001
R12
IC3005
(MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
XOUT25
XIN25
X3001
25MHz
OSC
H15
H16
PROTECT3
B13
VCOM-PWM
F2
PROTECT1
C13
KEY-IN1
A15
BACKLIGHT-SW
E2
LED1
J16
P-ON-H2
B16
REMOTE
C14
P-ON-H1
C1
F3
BACKLIGHT-ADJ
IC3006 (MEMORY)
SCK
SI
SO
T11
P11
R11
P12
6
5
2
1
T12
SCL
SDA
CS
SFCX
SFTX
SFRX
SFCS-N
TO
VIDEO/AUDIO
BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
G13
SCL
SDA
4
3
TU3401 (TUNER UNIT)
REMOTE
SENSOR
RS4051
AL+3.3V
D4051
STANDBY
P-ON-H277
KEY-IN122
CN3102 CN4052
REMOTE22
LED155
P-ON-H166
PROTECT155
PROTECT344
BACKLIGHT-SW
22
BACKLIGHT-ADJ
33
VCOM-PWM11
LED DRIVE
DRIVE
Vue de la page 30
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