9-1
System Control Block Diagram
A0CA0BLS
BLOCK DIAGRAMS
KEY SWITCH
DIGIT
AL MAIN CB
A UNIT
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CL104B
REMO
TE
SENSOR
RS102
AL+3.3V
D104
PO
WER
ST
ANDBY
D105
AL+3.3V
LCD+12.5V
PO
WER-LED
43
REMO
TE
25
ST
ANDBY
-LED
52
CN3703
CN403
SCL
SD
A
8
9
TU1
(TUNER UNIT)
TO
INVER
TER
BLOCK
DIA
GRAM
(CL900B)
T
O
LCD MODULE ASSENBL
Y
TO
PO
WER SUPPL
Y
BLOCK DIA
GRAM
PR
O
TECT1
P-ON-H2
P-ON-H1
KEY
-IN1
61
CN407
CN406
CN101
CN403
CN3703
CN403
CN3703
CN402
CN3701
IC401
,Q401,
Q402,Q403
DRIVE
23
23
SCL
22
22
SD
A
5
5
PR
O
T
ECT1
4
4
PR
O
T
ECT3
4
4
VCOM-PWM
2
2
BA
CKLIGHT
-SW
1
1
BA
CKLIGHT
-ADJ
KEY
-IN1
11
11
P-ON-H1
11
REMO
T
E
13
13
LED1
14
14
P-ON-H2
22
PR
O
TECT3
1
BA
CKLIGHT
-SW
2
BA
CKLIGHT
-ADJ
3
10
VCOM
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
T
E
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
U
DIO
BLOCK
DIA
GRAM
T
O
VIDEO
BLOCK
DIA
GRAM
A
U
DIO-MUTE
A
U
DIO-MUTE
AG
9
S-SW
S-SW
AK2
A
U
DIO-MUTE2
A
U
DIO-MUTE2
D17
HEADPHONE-DET
HEADPHONE-DET
C17
HEADPHONE-MUTE
HEADPHONE-MUTE
AK3
Summary of Contents for LT850-M26 - SERVICE
Page 13: ...4 2 A0CA0DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 3 S 2 S 4 S 2 S 2 S 2 Fig D1...
Page 35: ...10 4 A0CA0SCP2 Power Supply 2 Schematic Diagram...
Page 36: ...10 5 A0CA0SCP3 Power Supply 3 Schematic Diagram...
Page 37: ...10 6 A0CA0INV Inverter Schematic Diagram...
Page 39: ...10 8 A0CA0SCF Function Schematic Diagram...
Page 72: ...LT850 M26 A0CA0EP 2010 06 15...
