Table of Contents
Advertisement
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
SYSTEM CONTROL BLOCK DIAGRAM
POWER SWITCH/OPERATION P.C.B.
RM6801
STBY +3.3V
REMOTE
SENSOR
Q6802
Q6803
D6803
Q6801
POWER
D6802
LAMP
GREEN
RED
CN6801-7
CN6801-3
CN6801-2
Q6804
CN6801-6
CN6801-1
SW6801 POWER
FRONT JACK/OPERATION P.C.B.
KEY MATRIX
CN6701-1
(OPERATION BUTTON)
REAR JACK P.C.B.
IC4101 (AUDIO SW)
I2C SERIAL CLOCK2
I2C SERIAL DATA2
VCC
FRONT FAN
DTV+9V
5
CN2751-1
CN2751-2
CN2751-3
IC2751
TP2759
(FAN1,2 DRIVE)
REAR FAN
(+8V)
CN2752-1
4
REG.
CN2752-2
CN2752-3
5
IC2753
TP2757
(FAN3 DRIVE)
OPT FAN
(+6V - +6.5V)
CN2754-1
REG.
4
CN2754-2
CN2754-3
5
LAMP UNIT
IC2754
TP2758
(FAN4 DRIVE)
LAMP FAN
(+7V)
CN2753-1
4
REG.
CN2753-2
CN2753-3
5
+9V
Q2751
Q2752
LAMP ON(H)
LAMP TXD
LAMP RXD
MAIN P.C.B.
IC5510 (HDMI INTERFACE/AD CONVERTER)
IC8001 (MAIN MICROCONTROLLER)
I2C SERIAL CLOCK1
I2C SERIAL CLOCK1
12
N5
I2C SERIAL DATA1
I2C SERIAL DATA1
11
N3
RESET(L)
21
TP5515
TP5516
IC3001 (VIDEO SW)
I2C SERIAL CLOCK2
I2C SERIAL CLOCK2
84
AD6
I2C SERIAL DATA2
I2C SERIAL DATA2
83
AB8
IC8802 (DEMODULATOR)
I2C SERIAL CLOCK2
117
I2C SERIAL DATA2
118
RESET(L)
56
AD2
FE RESET(L)
IC4001 (AUDIO DSP)
I2C SERIAL CLOCK2
17
I2C SERIAL DATA2
16
RESET(L)
50
TP8003
IC8005
DTV+9V
2
RESET
1
D21
RESET(L)
SUB+3.3V
CN6003-7
CN6003-3
CN6003-2
CN6003-6
CN6003-1
STBY+5V
STBY+3.3V
Q6003
CN4501-1
Q3004
3.3V
5V
FROM/TO
35
CN3501-33
CN3001-33
POWER SUPPLY
36
CN3501-32
CN3001-32
3.3V
5V
BLOCK DIAGRAM
TO VIDEO II
2
+9V
SIGNAL PATH
IC2756
BLOCK DIAGRAM
DTV+9V
(COMPARATOR)
Q2755
5
7
6
2
2
CN3501-31
CN3001-31
CN3501-28
CN3001-28
CN3501-29
CN3001-29
Q2753
Q2754
Q6005
CN6005-2
CN6005-1
CN6005-7
IC8201 (EEPROM)
IC6004 (TV MICROCONTROLLER)
I2C SERIAL CLOCK3
I2C SERIAL CLOCK3
VCC
SUB+3.3V
AC4
6
8
I2C SERIAL DATA3
I2C SERIAL DATA3
AD1
5
Model ID
CPRM key for GalleryPlayer
Setting data for Peaks
Factory Adjustment data
40
I2C SERIAL CLOCK3
39
I2C SERIAL DATA3
I2C SERIAL CLOCK0
M2
120
I2C SERIAL CLOCK0
I2C SERIAL DATA0
M1
119
I2C SERIAL DATA0
SERIAL DATA1
A24
35
SERIAL DATA1
SERIAL DATA0
B23
33
SERIAL DATA0
PANEL STATUS(SOS(L))
G1
13
PANEL STATUS(SOS(L))
PANEL SOS(L)
L6
48
PANEL SOS(L)
AC STOP(L)
AF5
124
DTV RESET(L)
IR-DATA
45
POWER LED-G ON(L)
89
POWER LED-R ON(L)
49
LAMP LED ON(H)
17
IC6003
RESET
1
4
IC6002
1
RESET
4
93
RESET(L)
18
POWER SW ON(L)
115
KEY DATA 0
STBY+3.3V
AC STOP(L)
AC STOP(L)
12
TV SUB ON(H)
1
TV SUB ON(H)
TV MAIN ON(H)
46
TV MAIN ON(H)
TV MAIN ON DELAY(H)
73
TV MAIN ON DELAY(H)
SOS(L)
114
SOS(L)(OVER CURREN/OVER VOLTAGE(L))
OPT FAN SD CONTROL
86
OPT FAN SD CONTROL
FRONT/REAR FAN
56
FRONT/REAR FAN SD CONTROL
SD CONTROL
TV MAIN ON DELAY(H)
69
HDMI RESET(L)
AUDIO RESET(L)
68
+17V LINE DETECT
LCD+17V
10
(NORMAL(H)/ABNORMAL(L))
+5V LINE DETECT
MAIN+5V
27
(NORMAL(H)/ABNORMAL(L))
+9V LINE DETECT
DTV+9V
30
(NORMAL(H)/ABNORMAL(L))
+5V LINE DETECT
SUB+5V
34
(NORMAL(H)/ABNORMAL(L))
+3.3V LINE DETECT
MAIN+3.3V
57
(NORMAL(H)/ABNORMAL(L))
117
FAN SOS
IC4501 (AUDIO POWER AMP)
Q4502
SOUND SOS(L)
SOUND SOS(H)
5
72
Q6008
88
LAMP ON(H)
Q6017
66
LAMP TXD
67
LAMP RXD
Q6018
60
IC2501 (LCD VIDEO PROCESS)
A19
SERIAL CLOCK
SERIAL DATA
B20
C5,C14,ETC
CS(L)
VDD2
A20
D7,D8,ETC
VDD1
VDDP
IC2504 (BUFFER)
IC2004 (LEVEL SHIFTER)
11
10
SERIAL CLOCK
91
13
12
9
8
2
SERIAL CLOCK
VDD
13,22,34
SERIAL DATA
90
1
2
3
4
3
SERIAL DATA
1
CS(L)
VDD
12,37,39
VCC
14
IC2005 (LEVEL SHIFTER)
L2525
SERIAL CLOCK
VDD
2
13,22,34
SERIAL DATA
SUB+3.3V
3
CS(L)
1
VDD
12,37,39
IC2006 (LEVEL SHIFTER)
2
SERIAL CLOCK
VDD
13,22,34
3
SERIAL DATA
CORRECT CS(L)
19
1
CS(L)
VDD
12,37,39
IC2001 (SAMPLING HOLD RED)
8
SERIAL CLOCK
VCC
18,28,ETC
SERIAL DATA 0
9
S/H-RED CS(L)
CS(L)
VCC
22
7
IC2002 (SAMPLING HOLD GREEN)
SERIAL CLOCK
8
VCC
18,28,ETC
SERIAL DATA 0
9
S/H-GREEN CS(L)
25
7
CS(L)
VCC
IC2003 (SAMPLING HOLD BLUE)
8
SERIAL CLOCK
VCC
18,28,ETC
9
SERIAL DATA 0
S/H-BLUE CS(L)
CS(L)
VCC
20
7
IC6005 (EEPROM)
I2C SERIAL CLOCK
VCC
I2C SERIAL CLOCK
64
6
8
STBY+3.3V
I2C SERIAL DATA
I2C SERIAL DATA
63
5
SOS History
White Balance adjustment data
Non-uniformity Color Compensation data
LCD Drive Control data
Color Temperature Compensation data
LINE AUDIO MUTE(H)
126
LINE AUDIO MUTE(H)
127
AUDIO MUTE(H)
AUDIO MUTE(H)
SOUND SOS(H)
FAN SOS INFORMATION
CONDITION
TERMINAL VOLTAGE (PIN117)
NORMAL
APPROX. +2.8V
LAMP FAN STOP
APPROX. 0V
OPT FAN STOP
APPROX. +0.5V
FRONT FAN STOP
APPROX. +1.3V
REAR FAN STOP
APPROX. +2.0V
REAR JACK P.C.B. CONNECTION ERROR
APPROX. +3.3V
SYSTEM CONTROL BLOCK DIAGRAM
PT-56LCX70/PT-61LCX70/PT-50LCX7/PT-56LCX7
/PT-61LCX7/PT-50LCX7K/PT-56LCX70-K/PT-61LCX70-K
L2510
SUB+3.3V
L2516
SUB+1.2V
L2509
+15.5V
SUB+3.3V
+15.5V
SUB+3.3V
+15.5V
SUB+3.3V
+15.5V
SUB+3.3V
80
+15.5V
80
SUB+3.3V
+15.5V
SUB+3.3V
80
TO AUDIO
BLOCK DIAGRAM
Advertisement
Table of Contents
