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Model
PT-LB60NTU PT-LB60NTE PT-LB60NTEA PT-LB60U PT-LB60EA PT-LB55NTE PT-LB55NTEA PT-LB55EA
Pages
81
Size
7.39 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / LCD PROJECTOR
File
pt-lb60ntu-pt-lb60nte-pt-lb60ntea-pt-lb60u-pt-lb60.pdf
Date
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Panasonic PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA Service Manual ▷ View online

10 Interconnection Block Diagram
10.1. Interconnection Block Diagram (1/2)
Interconnection Block Diagram (1/2)
B-Module
P-Module
Q-Module
B/Q-Module
K-P.C.Board
S2-P.C.Board
S1-P.C.Board
Z-P.C.Board
G-P.C.Board
WL-P.C.Board
(PT-LB60NT**/55NT** only)
PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA
45
10.2. Interconnection Block Diagram (2/2)
Interconnection Block Diagram (2/2)
A-P.C.Board
PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA
46
11 Block Diagram
11.1. Power Supply
Power Supply
3
4
1
B1
B4
Q2
K-P.C.Board
B-Module
B/Q-Module
P-Module
Q-Module
 (CONTROLLER)
STEP-DOWN CHOPPER
Power  Cord
AC IN
K1
K2
F9101
D9101
1
4
P3
5
7
8
12
HOT
COLD
HOT
COLD
PHOTOISOLATOR
15 V AVR
HALF BRIDGE
DRIVER
(SLAVE)
SWITCHING
TRANSFORMER
SWITCHING
REGULATOR
PHOTOISOLATOR
POWER
FACTOR
CORRECTION
LAMP
D9608
Q9608
D9609
Q9610
Q204
Q205
Q9611
Q9606
Q9607
IC9602
IC9603
D9611
Q9609
D9612
MAIN/STB
3.4 V
DC380 V
THERMOFUSE
Power Control
ST1
Lamp ON/OFF
L det
3.4 V
+6 V
FAN 14 V
STB 3.4 V
+17 V
11
3
4
1
P2
P1
HALF BRIDGE
DRIVER
(MASTER)
PHOTO-
ISOLATORS
D9604
Q9604
Q9614
Q9603
D9605
D9606
D
S
D
S
G
Q9605
D9607
B3
B5
B6
Q1
D
S
G
3
5
1
4
2
Q3
Vla ckeck
6
ST2
7
LINE
FILTER
LINE
FILTER
15 V
15 V
4
2
IGNITER
BLOCK
MC201
INTERLOCK
SWITCH
G
D
S
G
D
S
D
S
G
G
IC102
A-P.C.Board
A4
TH101
RECTIFIER
HOT
8
7
5
1 11 4
12
17 V
MAIN/
STB
STB 3.3 V
STB 14 V
6 V
3.3 V
FAN 6-13 V
A6
A5
Z1
to C
from C
1
3
1
3
A-P.C.Board
Z-P.C.Board
DIRECT POWER OFF
+
PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA
47
11.2. Signal Processing (1/3)
Signal Processing  (1/3)
A20
MONITOR OUT
AMP.
PC IN 2/
MONITOR OUT
CONTROL
PnP
ADAPTER
IC1024
SW
Q1042
SW
Q1040
BLST
ST1
SW
Q1041
AUDIO AMP
IC1026
Q1058
IC1007
IC1087
LN OUTR
LN OUTL
AMP OUT
PC IN 1
R
G
B
1
2
3
12
13
14
15
1
2
3
12
13
14
15
SCL
SDA
HD
VD
VCLK
AUDIO
IN
L
R
RESIZING
RS-232C
DRIVER
IC1070
S-VIDEO
IN
C
Y
VIDEO IN
IC1060
Q1044-
Q1048
IC1020
AUDIO_SEL1
WLAUDIO_L
RGB 2-R
RGB 2-L
WLAUDIO_R
AUDIO_SEL2
RXD
SDA
SCL
TXD
Q1056
Q1057
MUTE
PX99
G
R
B
G
R
B
PC IN 2/
MONITOR OUT
R
G
B
HD
HD
HD
VD
VD
VD
RGB 1
RGBIO
SQUEEZE1
CLK276
POCLK
MCLK
RGB 2
SERIAL
PBS
A19
FAN SENSE5
FAN SENSE3
FAN SENSE4
FAN SENSE1
FAN SENSE2
INTAKE (R, G)
A18
EXHAUST
A17
INTAKE (B)
A15
MAIN_STBY
LAMP_SENSE
POWER
A16
P-Module
P3
Q-Module
Q3
A6
PWMOUT
A4
64M SDRAM
IC1001
IC1005
IC1006
3
3
2
3
3
2
5
6
7
4
A-P.C.Board
3
5
IC1083
IC1040
X1001
27MHz
CLOCK
GENERATOR
A/D CONVERTER,
VIDEO DECODER
S/C-IN
VD
HD
S/Y-IN CVBS
1
PnP
ADAPTER
IC1002
IC1025
SCL
SDA
VCLK
BUFFERS
SW
SW
SW
AUDIO 
SELECT
AUDIO 
SELECT
VOLUME
CONTROL
2
SYNC.
SELECT
CLOCK
BUFFER
3
G-P.C.Board
G1
IC1086
RGB 1-L
RGB 1-R
SW
Q1053
ST2
VDET
PWMOUT
PWMOUT
PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA
48
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