TH-103PF9UK, TH-103PF9EK - Panasonic Plasma Service Manual (repair manual). Page 104

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13.28. SC-Board Block Diagram
CEL2
CL
CEL
CPH2
CLK
FCLU
SID
SIU
FSID
FSIU
FCLD
CEL2
CLK
SIU
FCLKD
PROU
PROD
SID
CPH2
SCSU
CL
FCLKU
SCSU
CEL
CBK
D6721
D6872
D6480
D6620
VR6602
1
2
3
+16V_F
+15V
R6600
+15V
D6862
D6760
R6602
+15V_F
+5V
D6791
15V_F
+5V
+15V
D6478
R6601
+15V_F
D6583
+16V_F2
D6871
VSUS
+5V
D6616
D6585
D6610
+15V
D6619
D6612
16V_F
+5V
D6825
Q6824
+5V
+5V
+5V
+5V
+15V
VSUS
D6354
+15V
D6826
D6861
R6615
R6614
R6630
+16V_F2
D6792
+16V_F2
+15V
+16V_F
+5V
+16V_F
VR6602
1
2
3
COLD
COLD
FLO
FLOATING GND
TING GND
2
IC6521
RATOR
3
HIN
(SC3)
GND
IC6472
VAD SEPARATE
IN
DRIVER
Vf
PC6871
VSET SLOPE
TPVSUS
OUTFET
IC6721
Vscn SOS
COUPLER
FSID
HO
IC6802
3
PC6704
Vad(
85V)
VSET
CLK
6
VF_GND
17
Q6682
Q6687
Q6688
19
R6662
CEL2
VAD CONT
GND
PHOTO
IC6601
VAD
R6663
OUTFET
1
VCC
DRIVER
INIT-F
FCLU
HO
VF_GND
VF_GND
Q6742
B10
A1
FET
OUT
CEL2
B11
2
FET
Vscn(VAD+140V)
(SC3)
185V
BUFFER
D
FCLKD
2
FET
B36
Vsus
COUPLER
A33
TPSCI
Vf+5V
AVR
K
A11
COMPA-
G
A40
COUPLER
OUT
SIU
IC6501
G
+5V
L6402
Q6441-Q6443,
Q6445-Q6447
INVERTER
PHOTO
12
(0-430V)
Q6451-Q6453
Q6455-Q6457
Vf
A34
Q6621
Q6631
Q6633
BUFFER
VSCN SUPERIMEPOSED
PC6702
16V SOS
COM
FET
OUTFET
FET
S
BUFFER
+5V(SC3)SOS
IC6561,
IC6562
IC6773
A10
PHOTO
2G-
VF_GND
+5V
ENERGY RECOVERY SOS DET
(0-300V)
FET
3
CLK
7
8
18
BUFF
VAD SLOPE
VCC
B1
VF_GND
CMH
IC6722
BUFF
D
A34
VCC
SC
11
SIU
CEL2
TPVSET2
B12
LO
VCC
COUPLER
K
S
Vscn
GND
VF_GND
L6415
B40
3
VCC
Q6661
COMPARATOR
COUPLER
Vfo SOS
PC6861
A40
Q6791
SC80
REF
Q6422-Q6432
Vf
IC6753
L6413
52
SCSU
OUTFET
2
D
ERROR DET
TO D20
COM
+5V(SC2)
Q6602
1
LO
6
(SC1)
A35
A36
1
+5V(SC3)
Q6521-Q6528
Vsus Gen.
COMPA-
FSIU
PHOTO
4
FCLKD
B33
Q6762
D
20
B35
CSL
A1
SC42
Vf+5V
PROU
COUPLER
GND
Q6662
+5V
SC2
PHOTO
INVERTER
SC
7
B13
GND
CPH
G
FET
IC6671
8
SID
PHOTO
FCLKU
20
IC6751
FSIU
COUPLER
FET
OUT
S
IC6610
FSID
13
HO
+5V(SC1)SOS
(Vfo)
5
VCC
(5-10V)
PROD
Vf+5V
Vf+5V
HIN
23
IC6471
SC
8
VF_GND
B35
GND
(335V)
VCC
DRIVER
IC6871
1
IC6602
Vf+5V
DRVRST_0
FET
OUT
1
9
49
CEL
+5V(SC3)
+5V(SC1)
COUPLER
A36
3
BUFFER
2
OUT
FCLU
Vfo
A40
VSET2 Gen.
GND
IC6752
LO
FET
A
LO
BUFFER
5
B34
Vf
SC47
VF_GND
IC6771
Vf
Q6501-Q6508
9
G
3
PC6703
ENERGY RECOVERY
Vf
Q6671-Q6674
Q6676-Q6678
Vf
D
5
RATOR
1
-
Q6401-Q6412
CSH
+15V
Vfo
OUT
DRIVER
TPVAD
R6661
CML
Vfo
B1
PHOTO
R6858
TO SC83
VCC
BUFFER
DRIVER
VSET2
FCLD
B36
G
+15V
Vf
PHOTO
IN
S
TPSOS6
B33
LIN
PROD
FET
(Vscn)
S
B34
2
COUPLER
VCC
D
Q6601
IC6774
AVR
1
3
CPH2
IN
LED(G)
PC6610
Vf
VSUS
FCLKU
COUPLER
PC6701
CML
BUFF
VSET SEPARATE
14
1
SC
A
Q6743
DRIVER
PHOTO
TPVSET
Q6531-Q6534
GND
LO
Q6551-Q6554
Q6611-Q6615
Q6641-Q6650
Q6651-Q6660
VCC
IC6581
PC6760
+5V(SC1)
LED BLINKING : 6 TIMES
L6421
Vscn
Q6663
CL
DRIVER
G
D
SID
Vset SOS
LO
CSL
A12
Vf+5V
REF
IC6681
Q6781-
Q6786
VF_GND
BUFFER
A13
FET
G
FET
HO
PC6480
AVR
+
Vf+5V
VCC
IC6725
SC41
AMP
VF_GND
TPSC1 SIGNAL WAVE
FET
P+5V
IC6726
GND
S
1
A1
SOS6_SC
7
IC6772
Q6679
A35
TPV15V
IN
COMPA-
Vf+5V
IC6682
VCC
PC6705
D
PHOTO
LIN
Q6680
Vf
9
A33
IN
BUFFER
FET
AVR
CL
11
S
CMH
PROU
OUT
B1
1
VBK
VSCN
BUFF
B40
B40
FCLD
HO
RATOR
G
Q6744
S
IC6861
+5V(SC1)
BUFF
+5V(SC3)
CSH
BUFF
2
Q6581
(SC2)
+5V
TO SU49
TO SU42
TO SD52
TO SD47
FSIU
FSID
FCLU
FCLU
Vf
FCLKD
A1
B10
A40
A1
SC46
B11
Vf+5V
PROU
7
Vf
A29
FCLKU
TO SM51
7
SC
5
Vf+5V
B13
B30
8
B1
FCLKU
9
Vfo
9
3
A31
FSIU
FCLKD
Vf
Vf
FSID
Vscn
PROU
A11
5
B12
1
Vf+5V
A40
PROD
3
B1
Vf
Vscn
Vf+5V
TO SM46
FCLD
B40
SC
A12
8
Vf+5V
Vf
B40
A30
B29
A13
Vfo
51
FCLD
B28
A10
1
50
TO SM50
B31
Vf+5V
PROD
A28
SC43
TO SM43
B11
Vf
o
A40
A10
TO SD48
SC48
Vf
o
A12
A1
Vf
Vscn
B40
B1
B10
Vf
Vscn
B12
B13
A13
A11
VSET SOS DET
R6833-
R6836
12
CBK
1
2
VCC
IC6564
NOR GATE
Y
B
A
VCC
1
NOR GATE
IC6566
2
4
1
2
AND GATE
IC6565
VCC
IC6563
AND GATE
4
VCC
3
1
2
HO
LIN
Q6567,Q6368
Q6361-Q6363
IC6352
HIN
DRIVER
VCC
Q6364-Q6366
OUTFET
OUTFET
FET
Q6465,Q6466
VBK Gen.
OUTFET
Q6462-Q6464
OUTFET
Q6459-Q6461
4
3
VBK
81
13
V_CENT
14
16
V_CENT
SC
VBK
V_CENT
VBK
V_CENT
2
TO SC84
15
VBK
1
VCC
-
COMPARATOR
Q6554
+
IC6353
CPH
CSH
CMH
CPH1
VF_GND
-97V
-90V
L6424
L6426
VSET SOS OPERATION
at 210V or less
Vset
Vset
+15V
+15V
+16V_F2
+16V_F2
VSCN
VSCN
14
13
17
+16V_F
+16V_F
18
VA
D
21
22
VA
D
TO SU41
Q6681
Q6685
Q6686
INIT-R
Q6825
BUFF
Q6826
BUFF
Q6691
BUFF
(SC2-BOARD)
TO P2
TO P23
(P-BOARD 
SC SIDE)
(P-BOARD 
SC SIDE)
(SC2-BOARD)
SC FLOATING PART SOS DET
<TNPA4033>
SC
!
(Exchange board only)
SCAN DRIVE
COLD
FLOATING GND
TH-103PF9UK/EK
SC-Board Block Diagram
TH-103PF9UK/EK
SC-Board Block Diagram
TH-103PF9UK / TH-103PF9EK
104
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