Panasonic PT-56DLX25 Service Manual page 72

PT-56DLX75 / PT-61DLX75
SYSTEM CONTROL BLOCK DIAGRAM
DIGITAL TUNER C.B.A. (CIRCUIT BOARD DT) MAIN C.B.A. (CIRCUIT BOARD DG)
POWER DOWN(L) DT12-15 PDG2-15
I2C SERIAL CLOCK1
DT12-35 PDG2-35
I2C SERIAL DATA1
DT12-34 PDG2-34
I2C SERIAL CLOCK0 DT12-32 PDG2-32
FROM/TO
I2C SERIAL DATA0 DT12-33 PDG2-33
DIGITAL TUNER
ATSC SERIAL DATA0 DT12-19 PDG2-19
BLOCK DIAGRAM
ATSC SERIAL DATA1 DT12-18 PDG2-18
DTV RESET(L) DT12-22 PDG2-22
BUS SW CONTROL PDG2-20
DT12-20
D/A SW(DIGITAL(L)/ANALOG(H))
DT12-36 PDG2-36
BASE C.B.A. (CIRCUIT BOARD A)
IC3003 (SOUND PROCESSOR)
+9V 16 VCC I2C SERIAL CLOCK1 14 PA16-63 PDG1-63
I2C SERIAL DATA1 13 PA16-62 PDG1-62
IC3002 (AUDIO SW)
I2C SERIAL CLOCK1
+9V 5,6 VCC 32
I2C SERIAL DATA1 33
IC3001 (VIDEO SW)
I2C SERIAL CLOCK1
+9V 8,47,53,57 VCC 46
I2C SERIAL DATA1
45
IC4004 (HDMI INTERFACE)
I2C SERIAL CLOCK2 28
I2C SERIAL DATA2
27
RESET(L)
102
IC4258
(MAIN VIDEO SIGNAL PROCESS)
I2C SERIAL CLOCK2
25
I2C SERIAL DATA2
26
RESET(L)
33
IC4257
(SUB VIDEO SIGNAL PROCESS)
I2C SERIAL CLOCK2
65
I2C SERIAL DATA2
64
RESET(L)
61
IC4265
(VIDEO SIGNAL PROCESS)
I2C SERIAL CLOCK2
A3
I2C SERIAL DATA2
A4
RESET(L) A22
IC1105 (SERIAL INTERFACE)
HDMI A PD(L)
1
LEVEL
HDMI WP 10 LATCH
SHIFTER
TO VIDEO I SIGNAL
HDMI1(L)/HDMI2(H) 9
PATH BLOCK DIAGRAM
Q1116
H PHASE B
3 AMP DAC LATCH
IC1107
(BUFFER)
+5V 8 VCC
AUDIO BIAS +4.5V 1 3 6 AMP DAC LATCH
TO AUDIO
BLOCK DIAGRAM AUDIO SW CONTROL2 AMP DAC LATCH
4
AUDIO SW CONTROL1
5 AMP DAC LATCH
7 AMP DAC LATCH
+5V VCC
16
IC1101 (EEPROM)
STBY+3.3V VCC I2C SERIAL CLOCK3
8
I2C SERIAL DATA3
SETTING DATA OF EACH
IC's FOR MAIN C.B.A.
USER ADJUSTMENT DATA
ADJUSTMENT DATA
LAMP TIME DATA
ADJUSTMENT DATA/
SETTING DATA OF EACH
IC's FOR DMD DRIVE C.B.A.
IC1109
2
4
1
IC1102 (MAIN MICROCONTROLLER)
24 I2C SERIAL CLOCK0
23 I2C SERIAL DATA0
103 ATSC SERIAL DATA0
104 ATSC SERIAL DATA1
DTV RESET(L)
109
IC4200 (CPLD)
VIDEO OUT-ENV
66
D/A SW
17
OSD CLOCK 57 44 OSD CLOCK
CW DET(NORMAL(H)/SOS(L)) 110 40 CW DET
OSD H-SYNC OSD H-SYNC
62 33
18 OSD H-SYNC
3 OSD-CLOCK
116 I2C SERIAL CLOCK1
117 I2C SERIAL DATA1 37 OSD H-SYNC
159 RESET(L)
RESET(L)
69
ASIC READY(H)/SOS(L) 88
LAMP LIT
20
POWER GOOD(H)
68
OSD-YM
53
OSD-YS
52
OSD-CLOCK
48
OSD H-SYNC
54
OSD V-SYNC 51
OSD-R DATA(0-4) 42-46
84 I2C SERIAL CLOCK2 OSD-G DATA(0-5) 34-39
I2C SERIAL DATA2
85
OSD-B DATA(0-4)
29-33
I2C SERIAL CLOCK4 58
I2C SERIAL DATA4 59
DATA (0-15)
127-138,141-144
ADDRESS (0-17)
3-9,146-152,155-158
IC1104 CS(L) 112
OUTPUT ENABLE(L) 123
WRITE ENABLE(L) 122
RESET(L)
125
IC1108
2
AC STOP(L) 89 4
1
SOS2(OVER VOLTAGE DETECT(H)) 93
+3.3V
Q1110
LAMP ON(L) 18
Q1109
LAMP EN(L) 19
Q1108
LAMP DET(ON(L)/SOS(H)) 27
LOW+B SW
95
LEVEL 15
SHIFTER 14
+3.3V SENS 63
&
DT+9V SENS 108
I2C
DECODER
FAN SOS(FAN LOCK(H)) 61
LAMP COVER OPEN(L) 92
AC SW 26
IR DATA
102
TEMP LED ON(H) 21
11,28,40,ETC
LAMP LED ON(H) 22
STBY+3.3V VCC
I2C SERIAL CLOCK3
6 56
I2C SERIAL DATA3
5 55
POWER LED-R ON(L) 114
POWER LED-G ON(L) 115
KEY DATA 2 2
KEY DATA 1
97
KEY DATA 0
96
DMD DRIVE C.B.A. (CIRCUIT BOARD L)
IC5950 IC6001
(LVDS TRANSMITTER) (LVDS RECEIVER)
PDG4-14 PL1-14
47 10
PDG4-15 PL1-15
48 9
45 PDG4-11 PL1-11 12
46 PDG4-12 PL1-12 11
41 PDG4-8 PL1-8 16
50 ACT DATA ACT DATA 7
42 PDG4-9 PL1-9 15
37 PDG4-2 PL1-2 20
PDG4-3 PL1-3
38 19
PDG4-5 PL1-5
39 18
40 PDG4-6 PL1-6 17
ACT DATA 16
CW INDEX 5 PDG4-16 PL1-16
H-SYNC H-SYNC FROM/TO VIDEO I
6
SIGNAL PATH
V-SYNC 7 V-SYNC BLOCK DIAGRAM
LAMP EN 43
PDG4-19 PL1-19
PDG5-1 PL5-1
PDG4-17 PL1-17
PDG4-18 PL1-18
PDG4-20 PL1-20
OSD H-SYNC
OSD-CLOCK
OSD-YM
OSD-YS
OSD-CLOCK IC6002 (INVERTER)
FROM/TO VIDEO I
OSD H-SYNC
SIGNAL PATH
OSD V-SYNC BLOCK DIAGRAM
13
OSD-R DATA(0-4)
OSD-G DATA(0-5)
9
OSD-B DATA(0-4)
+3.3V
PDG5-4 PL5-4
PDG5-5 PL5-5 D6001 D6002
ACTDATA POWERGOOD
IC1104 (FLASH MEMORY)
Q6001 Q6002
DATA (0-15)
29-36,38-45
ADDRESS (0-17)
1-8,17-25,48
26 CS(L) VCC 37 +3.3V
28 OUTPUT ENABLE(L)
11 WRITE ENABLE(L)
RESET(L)
12
IC1103
BASE C.B.A. (CIRCUIT BOARD A)
4 RESET 2 STBY+3.3V
IC1106
4 RESET 2
AC STOP(L)
SOS2
+3.3V
TO/FROM
POWER SUPPLY
LAMP DET
BLOCK DIAGRAM
LAMP STATUS
TO POWER SUPPLY
BLOCK DIAGRAM
LOW+B SW
+3.3V
DT+9V
PDG1-16 PA16-16
PDG1-15 PA16-15
PDG1-10 PA16-10
PDG1-7 PA16-7
PDG1-3 PA16-3
PDG1-5 PA16-5
PDG1-6 PA16-6
OPERATION C.B.A.
PDG3-4 P6701-4
PDG3-5 P6701-5
Q1112
PDG3-3 P6701-3
PDG3-2 P6701-2
PDG3-1 P6701-1
70
COLOR WHEEL C.B.A. (CIRCUIT BOARD CW)
IC6006 (BUFFER)
IC6904 (TEMP. SENSOR)
VCC 20 +3.3V
PL2-5 PCW1-5 2 SERIAL CLOCK4
PL2-4 PCW1-4 1 SERIAL DATA4
16 4 PL2-3 PCW1-3
IC6004 (DMD CONTROL)
14 6 ( SOS TEMPERATURE DET:
OVER 75 or under -24
V-REF
IC6903
(COMPARATOR)
1
4
3
RESET(L)
15 5 C2 VCC
5
12 8 AD2 ASIC READY(H)
+5V
LAMP LIT
13 7 V27
18 2 Y26 LMP ENABLE
17 3 AG2 POWER GOOD(H)
AC2 CW INDEX
VCC 14 +3.3V
12 11 10
AF22 SERIAL CLOCK4
SERIAL DATA4
AH23
8
D6003 D6004
LAMPEN LAMPLIT
IC6014 (EEPROM)
Q6003 Q6004
ADJUSTMENT DATA
(WB/CW) FOR THE
SETTING AT FACTORY
6 SERIAL CLOCK4
VCC 8 +3.3V
SERIAL DATA4
5
IC2808
FAN 2 (on the Lamp)
+12V 2 DRIVE 4 PA2-1
PA2-2
5
PA2-3
PA2-4 FAN 1 (on the Rear Shield Plate)
Q2801
PA2-5
PA2-6
IC2809
FAN 3 (next to the Lamp)
2 DRIVE 4 PA1-1
PA1-2
5
PA1-3
Q2802
AC SW PA5-1
PA5-2
PA5-3
PA5-4
FRONT JACK C.B.A. (CIRCUIT BOARD FJ)
U3901
REMOTE
SENSOR
PA10-2 P3903-2
PA10-3 P3903-3
PA10-4 P3903-4
D6701 POWER
STBY+3.3V
RED
GREEN
Q6701
Q6702
KEY MATRIX
(OPERATION BUTTON)
SYSTEM CONTROL BLOCK DIAGRAM
VCC 8 +3.3V
(
C C
IC6902
(OP AMP)
IC6901
1
PHOTO
4
3
SENSOR
VCC
5
+5V
(SOS TEMPERATURE DET : OVER 120 ) C
THERMOSTAT
(NEAR THE LAMP)
COVER SWITCH C.B.A.
SW2911
COVER SW
P2912-1
P2912-2
STBY +3.3V
D3903 D3902
TEMP LAMP
Q3902 Q3901
PT-56DLX75/PT-61DLX75