9-1
System Control Block Diagram
A0CF0BLS
BLOCK DIAGRAMS
KEY SWITCH
DIGIT
AL MAIN CB
A UNIT
IR SENSOR CB
A
IR SENSOR CB
A
FUNCTION CB
A
KEY SWITCH
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CL102B
CL102B
REMO
TE
SENSOR
RS102
AL+3.3V
[TYPE A]
[TYPE B]
D104
PO
WER
ST
ANDBY
D105
AL+3.3V
LCD+16V
PO
WER-LED
44
CL102A
CL103B
CL103B
REMO
TE
22
ST
ANDBY
-LED
55
CN3703
CN403
SCL
SD
A
8
9
TU1
(TUNER UNIT)
TO
INVER
TER
BLOCK
DIA
GRAM
(CN1001)
TO
PO
WER SUPPL
Y
BLOCK DIA
GRAM
PR
O
TECT1
P-ON-H2
P-ON-H1
JUNCTION
CB
A
CN1901
KEY
-IN1
66
CL103A
CL103A
KEY
-IN1
33
KEY
-IN1
33
CN405
CN101
CN101
CN403
Q181
CN3703
CN403
CN3703
CN402
CN3701
IC401
,Q401,
Q402,Q403
DRIVE
23
23
SCL
22
22
SD
A
5
5
PR
O
TECT1
4
4
PR
O
TECT3
4
4
VCOM-PWM
2
2
BA
CKLIGHT
-SW
1
1
BA
CKLIGHT
-ADJ
KEY
-IN1
11
11
P-ON-H1
11
REMO
TE
13
13
LED1
14
14
P-ON-H2
22
PO
WER-LED
43
REMO
TE
25
ST
ANDBY
-LED
52
KEY
-IN1
61
PO
WER-LED
44
REMO
TE
22
ST
ANDBY
-LED
55
KEY
-IN1
66
6
PR
O
TECT3
5
BA
CKLIGHT
-SW
4
BA
CKLIGHT
-ADJ
14
VCOM
REMO
TE
SENSOR
RS102
AL+3.3V
D104
PO
WER
ST
ANDBY
D105
Q182
C25
IC3301
(MAIN MICR
O CONTR
OLLER)
CLK
OUT
-Y1-25M
CLKIN-Y1-25M
X3101
25MHz
OSC
AH1
AG
1
PR
O
TECT3
AJ11
VCOM-PWM
AH3
PR
O
TECT1
AH11
KEY
-IN1
AJ9
BA
CKLIGHT
-SW
AF9
LED1
AJ1
P-ON-H2
AK8
REMO
TE
AK1
P-ON-H1
AH2
AH27
BA
CKLIGHT
-ADJ
IC3102
(SERIAL FLASH MEMOR
Y)
CLOCK
D
A
T
A-IN
D11
B10
6
5
E23
TUNER-CLK
TUNER-D
A
T
A
SPI-CLK
SPI-WR
D
A
T
A-OUT
E12
2
SPI-RD
T
O
A
UDIO
BLOCK
DIA
GRAM
T
O
VIDEO
BLOCK
DIA
GRAM
A
UDIO-MUTE
A
UDIO-MUTE
AG
9
S-SW
S-SW
AK2
A
UDIO-MUTE2
A
UDIO-MUTE2
D17
HEADPHONE-DET
HEADPHONE-DET
C17
HEADPHONE-MUTE
HEADPHONE-MUTE
AK3
Summary of Contents for LT850-M32 - SERVICE
Page 13: ...4 2 A0CF0DC_rev 2 Rear Cabinet 1 Stand Assembly S 4 S 4 S 2 S 3 S 2 S 2 S 2 S 1 S 5 Fig D1...
Page 36: ...10 4 A0CF0SCP2 Power Supply 2 Schematic Diagram...
Page 37: ...10 5 A0CF0SCP3 Power Supply 3 Schematic Diagram...
Page 39: ...10 7 A0CF0SCF Function IR SENSOR Junction Schematic Diagram...
