Sc, Su And Sd-Board Block Diagram - Panasonic TH-37PG9W Service Manual

14.51. SC, SU and SD-Board Block Diagram

SC SCAN DRIVE
VSUS
TO P2 SC2 VSET
TPVSUS
VSET Gen.
Vsus 1
Vsus 2
IC6821
Q6821,Q6822
SC
TO P23 TP15V
23
+15V 1
+15V 2
IC6561,6562
SC
TO D20 BUFFER
20
P+5V 1 VCC
CL
CL 2
CLK
CLK
3
BUFFER
SIU
SIU
4
SID
SID 6
SCSU
SCSU 7
CEL2
CEL2 8
Vsus Gen.
CPH1
CPH
9
IC6501
CPH2
Q6511,Q6512
CEL Q6401-Q6403
CEL 13
Q6616,Q6617
CSL
CSL 17 VCC HO
BUFFER
CSH
HIN
CSH
18 FET
Q6421-Q6423
CML LIN
CML DRIVEB
19
VDD
CMH LO
CMH 20
SC_SOS6 11 VCC
SC_SOS7 12
ENERGY RECOVERY
IC6521
Q6441,Q6442
VCC HO
HIN FET
LIN DRIVER
VDD
LO
VCC
IC6581
Q6581
COMPARATOR
D6585
TPSOS6 ENERGY RECOVERY SOS DET
LED BLINKING : 6 TIMES
TPSOS7 SC FLOATING PART SOS DET
LED BLINKING : 7 TIMES
+5V(SC1),+5V(SC3)
Vscn,VAD( 90V)
TH-37/42PG9W
SC, SU and SD-Board Block Diagram
COLD FLOATING GND
IC6725
TPVSET IC6724
(+232V) +5V(SC2)
+5V(SC1)
AVR AVR
+5V +5V
1 3 1 3
(SC1) (SC2)
GND GND
2 2
PC6701
IC6721
CL VCC
CL
PHOTO BUFFER
COUPLER
CLK
CLK
GND
SIU
PHOTO
SIU VCC
COUPLER
SID
SID
BUFFER
CEL2
PC6702
GND
VSET SLOPE
PC6703
OUTFET
IC6601
CEL2
VCC
PHOTO
OUTFET
CPH2
FET
COUPLER IN
DRIVER
GND
IC6751
VSET SEPARATE
+5V(SC3) IC6752
PC6704
15V
AVR
+5V
1 3 VCC
PHOTO (SC3)
CPH1
COUPLER GND
IC6753
IN
2
DRIVER
L6401
GND
L6403
OUTFET
L6411
Q6451
IC6771
L6412
16V_F
OUTFET
AVR
PC6705 +5V(SC3)
+5V
1 3
(SC3)
CEL
GND
2
PHOTO
SCSU
COUPLER
D6583
LED(G)
COLD FLOATING GND
IC6841
T6602
D6841
Q6841,Q6842
D6806 VSET
VSCN Gen.
VSUS
Q6801
Q6802
15V
IC6801
POWER OSC
D6804 Q6803
VAD Gen.( 90V)
VR6600
PC6801
Adj.
PHOTO
COUPLER
PC6480
D6480
PHOTO
+5V(SC1)
COUPLER
PC6760
D6760
PHOTO
+5V(SC3)
COUPLER
PC6861 IC6861
D6862
PHOTO COMPA- Vscn(VAD+125V)
RATOR
COUPLER
PC6871 IC6871
D6872
PHOTO COMPA- Vad( 90V)
COUPLER RATOR
16V_F
D6826
VSET
TPSC1 SIGNAL WAVE
VSET
IC6791
DC/DC CONV.
16V_F 15V
VSUS
VOUT VIN
COM
VAD
VSCN
VSET2
15V_F
D6421
Vad 90V
FCLU
FCLD
FCLKU
FCLKD
(Vf+5V)
FSIU
FSID
VSCN SUPERIMPOSED
PROU
IC6681 (Vscn)
Q6681
PROD
Q6691
IC6722 VDD
HO
FET OUT
(Vfo)
FET
IC6682
IN
Q6682
DRIVER
LO
GND FET OUT
TPSCI
Q6601,Q6602
FET
HO
OUT
D6620
Q6762
Q6621,D6622
FET
FET
LO
OUT
VAD SEPARATE
Q6642-Q6644
Q6646-Q6648
IC6772
Q6781 FET
OUT
Q6782
VCC HO
FET
IN
VAD SLOPE
DRIVER
GND LO Q6661-Q6663
FET
IC6773 OUT
VAD CONST
IC6774
IC6671
Q6671
Q6680
VCC
FET
LO
FET
IN OUT
DRIVER
GND
TPVSCN
(+125V)
D6859 D6860
TPVAD
(Vad 90V)
IC6802
VSET2 Gen.
FOR
SC30
(+8V)
FACTORY
USE
8
4
1
Q6743
Q6742
5V
R6833
R6839
R6834
R6835
R6836
D6825
Q6824
R6838
R6837
VSETSOS DET
121
SU SCAN OUT (UPPER)
SI
VDDH
VDD IC6901
SU
SC
48
45 45 CLK
CL
FSIU S/P
1 1
PRO
FSIU 48bit
FCLU
GND SO
3 3
FCLU
FCLKU
5 5
FCLKU
PROU
7 7
PROU
Vf+5V
8 8
Vf+5V
9 9
SI
VDDH
32
VDD
IC6902
CLK
SC41 SU41 CL 32
S/P
PRO
64bit
Vf+5V
GND SO
A35 B35 A6 A46
Vf+5V
A34 B34 A7 A47
Vf
A39 B39 A2 A42
Vf
A36 B36 A5 A45
VDDH SI
Vf
A33 B33 A8 A48 48
VDD
IC6903
CLK
Vf
A11 B11 A30 A70 CL 16
S/P
Vscn PRO
A10 B10 A31 A71
64bit
Vscn GND SO
A9 B9
A32 A72
Vfo
A8 B8 A33 A73
Vfo
A1 B1 A40 A80
D6903
D6904
VDDH SI
VDD
IC6904
64
CLK
CL
S/P
PRO
64bit
GND
SI
VDDH
VDD
IC6951
SC SD
64
46 46 CLK
CL
FSID FSID S/P
1 1
PRO
48bit
FCLD FCLD GND
3 3 SO
FCLKD FCLKD
5 5
PROD PROD
7 7
Vf+5V
8 8
Vf+5V
9 9
SI
VDDH
16
VDD IC6952
CLK
CL
SC42 SD42 48
S/P
PRO
64bit
Vf+5V GND
SO
A6 B6 C35 C75
Vf+5V
A7 B7 C34 C74
Vf
A2 B2 C39 C79
Vf
A5 B5 C36 C76
SI
VDDH
Vf
32
A8 B8 C33 C73
VDD IC6953
CLK
Vf
CL
A30 B30 C11 C51 32
S/P
Vscn PRO
A31 B31 C10 C50 64bit
Vscn GND SO
A32 B32 C9 C49
Vfo
A33 C8
B33 C48
Vfo
A40 B40 C1 C41
D6953
D6954
SI
VDDH
VDD
IC6954
48
CLK
CL
S/P
PRO
64bit
GND
SD SCAN OUT (LOWER)
TH-37/42PG9W
SC, SU and SD-Board Block Diagram
TH-37PG9W / TH-42PG9W
SU1
80
LINE
SU2
80
PANEL
LINE
SCAN
ELECTRODES
240LINE
(UPPER)
SU3
80
LINE
SD1
80
LINE
SD2
80
PANEL
LINE
SCAN
ELECTRODES
240LINE
(LOWER)
SD3
80
LINE