Panasonic PT-40LC12 Service Manual page 144

SYSTEM CONTROL BLOCK DIAGRAM
REAR JACK C.B.A.
IC5001 (MAIN CCV)
P4703-15
UNSW +5V 7 VCC SERIAL CLOCK 45 P4703-14
SERIAL DATA 1 P4703-13
43
SERIAL DATA 0 44 P4703-11
CS (L) 29 P4703-12
RESET(L) 13 P4703-19
IC5302 (SUB CCV)
UNSW +5V 7 VCC SERIAL CLOCK 45
SERIAL DATA 1 43
SERIAL DATA 0
44
CS (L) 29
RESET(L) 13
IC5006 (EEPROM)
I2C SERIAL
UNSW +5V 8 VCC 5
DATA
ADJUSTMENT
DATA/SETTING DATA I2C SERIAL
6
CLOCK
OF EACH IC's FOR
REAR JACK C.B.A.
AND TV MAIN C.B.A.
P4703-22
P4703-23
IC5501
2 +3.3V REG. 3 UNSW +5V
IC5503
+2.5V REG.
3 1
IC5502 ( Y/C SEPARATION)
3,12,18,43,50,62,
68,84,87,93,100
VCC
I2C SERIAL DATA 76
VCC I2C SERIAL CLOCK 75
10,24,36,74
IC5301 (SUB VIDEO DECODER)
SW +5V 47 VCC
14 VCC(+6.2V) I2C SERIAL DATA 44
I2C SERIAL CLOCK 43
SW +9V VCC
38
IC5003 (MAIN VIDEO DECODER)
SW +5V 25 VCC
I2C SERIAL DATA
13
I2C SERIAL CLOCK 14
SW +9V 1 VCC
IC3701 (AUDIO/VIDEO SW)
SW +9V 42 VCC I2C SERIAL DATA 34
I2C SERIAL CLOCK 33
(FOR ADJUSTMENT P5004-2
AT FACTORY ONLY)
P5004-1
DUCT FAN
(FAN 3)
OPERATION C.B.A.
U6301
REMOTE
P6303-8
SENSOR
D6304 TEMP
UNSW +5V P6303-3
P6303-4
D6303 LAMP
P6303-5
P6303-6
D6301 POWER
RED
Q6301
GREEN
Q6302
P6303-1
KEY
SWITCH P6303-2
TV MAIN C.B.A.
P4604-15
P4604-14
P4604-13
P4604-11
P4604-12
P4604-19
IC6001 (TV MICROCONTROLLER)
IC4601 (SOUND PROCESSOR)
DTS REQ (L) 7
SW +9V VCC I2C SERIAL DATA DTS CS (H)/BUSY (L)
15 18 8
I2C SERIAL CLOCK 17
RESET (L) 100
P6206-2
(FOR ADJUSTMENT
P6206-1
AT FACTORY ONLY)
P6206-3
82 I2C SERVICE (L)
P4604-22 17 I2C SERIAL DATA
P4604-23 18 I2C SERIAL CLOCK
SUB CCV CS (L) 21
MAIN CCV CS (L) 20
PROJECTOR MICROCONTROLLER
22
CS (L)
SERIAL DATA 0 16
SERIAL DATA 1 15
SERIAL CLOCK
14
X6001
OSC IN
14.32 MHz 38
OSC 37 OSC OUT
VCC
36
51 VCC
73 VCC
IC6004
UNSW +5V RESET 1 POWER DOWN (L)
Q6001,
Q6005-6007
25 RESET (L)
RESET
IC1004
DUCT FAN SPEED CONTROL
4 84
DRIVE (HIGH SPEED(H)/LOW SPEED(L))
P1010-1 3
5 +12V
P1010-2
P1010-3
DUCT FAN LOCK(H)
85
UNSW +5V
P6204-8 5 IR DATA
P6204-3 94 TEMP LED ON (L)
P6204-4 LAMP LED ON (L)
95
P6204-5 POWER LED-R ON (H)
96
P6204-6 97 POWER LED-G ON (H)
TV OSD SERIAL DATA 13
UNSW +5V TV OSD SERIAL CLOCK 11
TV OSD CS (L) 10
OSD BUSY (H) 9
UNSW +5V
P6204-1 KEY DATA 1
88 R6272
P6204-2 89 KEY DATA 0
TEMPERATURE DATA 3 87
TEMPERATURE DATA 4 86
R6273
IC6501 (TUNER MICROCONTROLLER)
UNSW +5V VCC TUNER SERIAL CLOCK
21 22
TUNER SERIAL DATA 23
SUB TUNER CS (H) 24
30 SERIAL DATA 0 MAIN TUNER CS (H) 25
31 SERIAL DATA 1
SERIAL CLOCK
32
35 DTS REQ (L)
BUSY (L)
34
29 DTS CS (H)
3 RESET (L)
LCD MAIN C.B.A.
IC2301 (PROJECTOR MICROCONTROLLER)
TEMPERATURE DATA 1 74
TEMPERATURE DATA 2
75
LAMP COVER OPEN (H) 76
SW +3.3V(1)
FILTER ERROR DETECTION 82
IC9002 (IP CONVERTER)
16,26,73,74,89,117,
132,135,182,189,194
P6205-1 P2305-1 CS (L)
88
P6205-2 P2305-2 100 SERIAL DATA 0 2,41,51,56,99,106,
146,160,168,199,205
P6205-3 P2305-3 1 SERIAL DATA 1
I2C SERIAL CLOCK
P6205-4 P2305-4 SERIAL CLOCK 147
2
148 I2C SERIAL DATA
IC2706 (SUB A/D CONVERTER)
26,27,34,35,39,42,
45,46,51,52,59,62
11,22,23,69,78,79
56 I2C SERIAL CLOCK
57 I2C SERIAL DATA
X2301
36 X1 IC2502 (MAIN A/D CONVERTER)
19.66 MHz
OSC X2
35
26,27,34,35,39,42,
45,46,51,52,59,62
11,22,23,69,78,79
56 I2C SERIAL CLOCK
I2C SERIAL DATA
57
SW +3.3V(1)
IC2305 (EEPROM)
6 I2C SERIAL CLOCK
RESET (L)
RESET 31
5 I2C SERIAL DATA
LAMP TIME DATA
IC2307
FILTER TIME DATA
NON-UNIFORMITY COLOR
COMPENSATION DATA
SW
6 VCC
IC2303 (EEPROM)
+3.3V(1)
34 VCC
55 VCC
I2C SERIAL CLOCK 96 6 I2C SERIAL CLOCK
71 VCC
I2C SERIAL DATA 94 5 I2C SERIAL DATA
ADJUSTMENT DATA/
SETTING DATA OF
EACH IC's FOR LCD
MAIN C.B.A.
TV OSD CS(H)/PROJECTOR OSD CS(L) 66
PROJECTOR SERIAL DATA 0 98
PROJECTOR SERIAL CLOCK
99
OSD CS (L) 63
PROJECTOR SERIAL DATA 1 97
LAMP ERROR PULSE
11
(ON(H)/OFF(L)/ERROR(PULSE))
FRONT/LAMP FAN LOCK(H) 12
STANDBY(L)/NORMAL(H) 46
LAMP ON(H)/OFF(L) 52
+16V LINE DETECT
SW +16V
48
(NORMAL(H)/ABNORMAL(L)
+14V LINE DETECT
SW +14V 47
(NORMAL(H)/ABNORMAL(L)
+7V LINE DETECT
SW +7V 45
(NORMAL(H)/ABNORMAL(L) RXD 3
+3.3V LINE DETECT TXD
4
SW +3.3V 44
(NORMAL(H)/ABNORMAL(L)
IC2304 (OSD SW)
1
11
10
L
14
H
P6205-5 P2305-5 13
L
P6205-6 P2305-6 5
H
P6205-7 P2305-7 6
P6205-8 P2305-8 SW +3.3V 16 VCC
P6205-10 P2305-10
P6205-11 P2305-11
FILTER CHILD C.B.A.
U7101 (SUB TUNER)
TUNER SERIAL CLOCK
14
13 TUNER SERIAL DATA
12 CS (H)
U7001 (MAIN TUNER)
TUNER SERIAL CLOCK
14
13 TUNER SERIAL DATA
12 CS (H)
FRONT THERMISTOR C.B.A. LAMP COVER SWITCH C.B.A.
SW +3.3V
R2911
TEMPERATURE (NEAR THE
SENSOR AIR FILTER)
P2304-1 P2911-4
P2304-2 P2911-3
P2304-3 P2911-2 P2912-1 P2921-1
P2304-4 P2911-1 P2912-2 P2921-2
IC9801 (COLOR CORRECTION)
1,12,26,35,44,56,66,75,80,88,
SW
VCC 89,98,109,131,132,155,176 VCC SW +3.3V
+3.3V(1)
15,45,74,103,133,163
VCC SW +1.8V VCC SW +2.5V
SERIAL DATA 0
119
120 SERIAL CLOCK
IC9803 (DAC)
9
VCC SW +3.3V
17 SERIAL DATA 0
12
SW
16 SERIAL CLOCK
VCC
+3.3V(1)
VCC 11 SW +5V
IC9204 (SYNC SELECTOR)
1,8,37,42,55,73,84,109,127,141
VCC SW +3.3V
SERIAL DATA 0
105
107 SERIAL CLOCK
VCC SW +3.3V
SW
VCC IC9202 (MAIN SCALER)
+3.3V(1)
1,10,24,36,46,54,68,76,78,93,
100,105,114,126,137,145,180,201
VCC SW +3.3V
17,42,61,83,86,108,156,174,207
VCC SW +2.5V
205 SERIAL DATA 0
203 SERIAL CLOCK
SW
VCC
8 SERIAL DATA 1
+3.3V 208
IC9508 (SUB SCALER)
IC9507 1,10,24,36,46,54,68,76,78,93,
(NOISE REDUCTION) 100,105,114,126,137,145,180,201 VCC SW +3.3V
17,42,61,83,86,108,156,174,207
VCC SW +2.5V
9 8
SERIAL DATA 0
205
SW
11 10 203 SERIAL CLOCK
VCC 8
+3.3V
208 SERIAL DATA 1
12 13
14 VCC
SW +3.3V
IC9503 (TIMING GENERATOR)
IC2306 (BUFFER)
13,20,27,32,41,53,62,78,104,130,
147,157,174,183,195,208 VCC SW +3.3V(1)
VCC
8
5 3 177 SERIAL DATA 0
SERIAL CLOCK
1 7 176
178 SERIAL DATA 1
Q2305
IC9510 (OSD)
L
H 9 2 SERIAL DATA OSD BLANKING 24
OSD DATA 0 28
TO VIDEO II SIGNAL PATH
12 3 SERIAL CLOCK OSD DATA 1 27
BLOCK DIAGRAM
OSD DATA 2
26
7 1 OSD CS(L) OSD DATA 3 25
7,9,21
15 OSD BUSY(H) VCC SW +3.3V
IC2601 (OP. AMP)
3
1 5 J2602
2 7
6
J2603
SW2921
LAMP COVER SW
+14V SW +5V
IC1961 FRONT FAN
(FAN 1)
1
DRIVE 3 P1901-1
4
P1901-2
P1901-3
IC1962 LAMP FAN
(FAN 2)
1
DRIVE P1902-1
3
4
P1902-2
P1902-3
LCD POWER C.B.A.
P1905-12 P1702-12
BALLAST
P1905-13 P1702-13
CIRCUIT
P1905-14 P1702-14
LAMP
P2301-4
(FOR NON-UNIFORMITY COLOR
P2301-3
P2301-8 COMPENSATION ONLY)
P2301-7
LAMP THERMISTOR C.B.A.
R2901
TEMPERATURE
SENSOR (LAMP)
P2307-2 P2801-2
P2307-1 P2801-1
SYSTEM CONTROL BLOCK DIAGRAM
PT-40LC12/PT-45LC12