Sc-Board Block Diagram - Panasonic TH-50PZ700B Service Manual

15.71. SC-Board Block Diagram

TO P2 SC2 TPVSUS
+185V
Vsus 1
SC
TO P23
P+15V
23
P+15V 1
P+15V 2
IC6561
BUFFER
SC
TO D20 P+5V
20
P+5V 1 P+5V
CL
CL 2
CLK
CLK
3
SIU
SIU 4
SID
SID 6
SCSU
SCSU 7
CEL2
CEL2 8
P+5V
CPH1
CPH 9
CPH2
CEL
CEL 13
CSL
CSL 17
CSH
CSH 18
CML
CML 19
CMH
CMH 20
CEH
CEH 14
SC_SOS1 11
IC6562
SC_SOS2 12
BUFFER
IC6581
Q6581
TPSOS6
ENERGY RECOVERY SOS DET
LED BLINKING
TPSOS7
SC FLOATING PART SOS DET
LED BLINKING
SC SCAN DRIVE
TH-50PY700F/P, PZ700B/E
SC-Board Block Diagram
DC/DC
CONVERTER
C6791
VSET 105V
IC6791
+240V
VSET Gen.
P+15V R6833
R6836
D6825
R6837
IC6821 (+33V)
Q6824
Q6821,Q6822 Vset SOS DET
PC6701
P+5V
P+5V
CL
PHOTO
COUPLER
CLK
P+5V
SIU
PHOTO
SID COUPLER
PC6702
Vsus Gen.
IC6501
Q6511 Q6514
Q6516 Q6519 Q6401 Q6405
FET
HO PC6703
P+15V OUT
FET
Q6421 Q6425
LIN DRIVER
P+5V
FET
LO
HIN CEL2
OUT
PHOTO
CPH2
COUPLER
+5V
CPH1
ENERGY RECOVERY
PHOTO
COUPLER
IC6521
Q6531,Q6532
PC6704
Q6551,Q6552 Q6441 Q6443
FET
P+15V HO
OUT
FET
HIN
Q6451 Q6453
DRIVER
FET
LIN
LO
OUT
PC6705
CEL
PHOTO
P+15V COUPLER
SCSU
COMPARATOR
R6581
D6581
(+33V)
D6585
D6582 IC6803
(+33V)
D6583
6 TIMES
LED(G)
T6602
D6806
VSET SOS 7 10
D6826
6 11
12
OSC
7 TIMES 4 13
2 15
PC6801
IC6472
PHOTO
COUPLER
D6480
B +5V(SC1)SOS
Y
PC6480
A
+5V(SC1) SOS DET
PHOTO
COUPLER
PC6760
D6760
+5V(SC3) SOS DET
PHOTO
COUPLER
PC6861
D6862
Vscn SOS DET
PHOTO
COUPLER
PC6871
D6872
VAD SOS DET
PHOTO
COUPLER
Vfo SOS DET
PC6610
D6616
Vfo SOS DET
PHOTO
COUPLER
+15V
C6796
C6795
D6721 TPVAD
TPVSET
IC6725
IC6724
+5V(SC2) +5V(SC1)
+5V
+5V
AVR AVR
+5V +5V
1 3 3 1
(SC1) (SC2)
2 2
IC6721
+5V
FCLU
CL
FCLD
BUFFER
CLK
FCLKU
FCLKD
GND
SIU FSIU
+5V
FSID
SID
CEL2
BUFFER
PROU
PROD
IC6682 GND IC6722
BUFFER
TPVSET2
Q6742,Q6743
BUFFER
D6478
IC6602
INV
IC6751
VSET SEPA
+5V(SC3)
IC6752
Q6762
AVR Q6621
+5V P+15V Q6624
1 3 P+15V
(SC3)
FET
FET
INV LO
IN OUT
2 DRIVER
IC6753
GND
+15V
IC6771
+5V
AVR
+5V(SC3)
+5V
1 3
(SC3)
+15V
R6858
IC6773
2
B
Y
A
TPVAD
BUFFER
IC6774
IC6801 IC6802
Q6803
VSET2 GEN.
VAD GEN.( 90V)
(+8V)
VR6600 ADJ.
VR6603 ADJ.
D6804
TPVAD
IC6471
ERROR
DET
+5V(SC1)
IC6861
+5V(SC3) Vscn(Vad+140V)
COMPARATOR
R6663 R6661
R6662
IC6871
Vad( 90V) R6864
D6871
COMPARATOR
Q6791
D6791
BUFFER
D6612 R6615 R6614 R6630
COMPARATOR
D6610
IC6610
145
TH-50PZ700B / TH-50PZ700E / TH-50PY700F / TH-50PY700P
TPSC1 WAVEFORM
VSET
VSUS
SC
45
VAD
1
FSIU
VSCN
3
VSET2
FCLU
5
FCLKU
D6619 D6620 7
PROU
8
9
SC41
A1
VSCN SUPERIMPOSED
A33 B33
IC6681
Q6681
Q6691 A34 B34
(Vscn)
+5V HO FET A35 B35
TPSCI
OUT
CEL2 FET
(Vfo) A36 B36
IN
DRIVER Q6682
GND LO FET
A40 B40
OUT
SC42
VSET SUPERIMPOSED
IC6601 A1
Q6601
Q6602
FET
+5V A10 B10
HO BUFFER
OUT
CPH2 FET
VR6601 A11 B11
IN
DRIVER INIT-F
A12 B12
GND
A13 B13
A40 B40
VF_GND
VAD SEPA
Q6641,
Q6781, Q6643 Q6650
Q6782 SC
IC6772 46
FET
BUFFER
OUT FSID
1
FCLD
+15V
HO 3
FCLKD
FET 5
IN
VAD SUPERIMPOSED
DRIVER PROD
7
VR6602 Q6661
GND LO Q6662
2
8
3 1 FET
BUFFER
OUT
INIT-F
9
VAD CONT
D6665
IC6671
SC43
Q6679,
Q6671 Q6673
Q6680
+15V
A1
FET
FET LO BUFFER
IN OUT
DRIVER
A28 B28
GND
A29 B30
A30 B31
A31 B31
A40 B40
SC44
A1
IC6841 TPVSCN
D6841
(+50V)
A5
Q6841,Q6842
A6
VSCN Gen.
A7
C6841
TPVAD
A7
A40 B40
D6859 D6860
SC
1 4 5 6 8
30
TH-50PY700F/P, PZ700B/E
SC-Board Block Diagram
TO SU45
FSIU
FCLU
FCLKU
PROU
Vf+5V
Vf+5V
TO SU41 SU41
B1 Vf C40 C80
Vf C8 C48
Vf+5V C7 C47
Vf+5V C6 C46
Vf
C5 C45
C1 C41
Vf
TO SU42 SU42
B1 Vfo D40 D80
Vfo D31 D71
Vscn D60 D70
Vscn D29 D69
Vf
D28 D68
Vf D1 D41
TO SD46
FSID
FCLD
FCLKD
PROD
Vf+5V
Vf+5V
TO SD43 SD43
Vf
B1 B40 B80
Vf B13 B53
Vscn
B12 B52
Vscn B11 B51
Vfo B10 B50
Vfo B1 B41
TO SD44 SD44
B1 Vf A40 A80
B5 Vf A36 A76
B6 Vf+5V A35 A75
B7 Vf+5V A34 A74
B8 Vf A33 A73
Vf A1 A41