Sc-Board Block Diagram - Panasonic TH-37PV70F Service Manual

15.49. SC-Board Block Diagram

SC SCAN DRIVE
TO P2 SC2
Vsus 1
Vsus 2
IC6561,6562
SC
TO D20 +5V
20
+5V 30
OC1 29
CPH2 28
CLK
26
SIU 25
SID 23
SCSU 22
OC2 20
CPH1 19
CEL 13
CSL 9
CSH 8
CML 6
CMH 5
SS_DRV_RST 11
+5V
SOS6_SC1 16
SOS7_SC2
15
+15V
+15V 3
+15V 2
+15V 1
TPSOS7
SC FLOATING PART SOS DET
LED BLINKING : 7 TIMES
TH-37/42PV70F/P, TH-37/42PX70B/E
SC-Board Block Diagram
COLD
IC6791
15V DC/DC CONV.
VIN
GND
VSUS
189V+7V,-6V
TPVSUS
PC6701
+5V
OC1
BUFFER
R6466
R6467
VCC
R6468 CLK
D6466
R6465
OC1
SIU
BUFFER
CLK
SIU
SID
SID
SCSU
PC6702
Vsus Gen.
OC2
Q6401-Q6403
IC6501
OUTPUT
CPH1
FET
D
Q6501,Q6502
CPH2
Q6521,Q6522
G
CEL
VCC HO
S
CSL HIN PC6704
FET
Q6421-Q6423
BUFFER LIN
CSH DRIVER
OUTPUT
VCC2
LO FET
D
CML OC2
CMH
G
S
VCC 2G
ENERGY RECOVERY
L6401
IC6521 Q6441,Q6442
OUTPUT L6403 CPH1
Q6531,Q6532
FET
D
CPH2
Q6551,Q6552
G
VCC HO
S
HIN
FET
Q6451 L6411
LIN DRIVER
OUTPUT
L6413
FET
LO D
G
S
TP15V
PC6705
CEL
VCC
SCSU
IC6581
D6583
LED(G)
Q6581
COMPARATOR
COLD
D6585
IC6803
ENERGY RECOVERY SOS DET
TPSOS6
POWER OSC
LED BLINKING : 6 TIMES
VCC 4
3 GND Z/C 1
IC6471
VSUS
AND GATE
+5V
5 S
VIN 7
SS_DRV_RST
5 VCC IN_B 1
D6480 D 9
F/B
4 OUT_Y IN_A 2
2
D6862
D6872
FLOATING GND
+16V_F
VOUT
COM
VAD
Vad 105V
15V_F
IC6724
IC6725 D6619
+5V
+5V_F
+5V_F
AVR AVR
D6721
1 +5V 3 1 +5V 3
COM COM
2 2
IC6721
OC1 VCC FCLU
FCLD
PHOTO BUFFER
COUPLER
CLK FCLKU
FCLKD
GND
PHOTO
SIU VCC FSIU
COUPLER
SID FSID
BUFFER
OC2 PROU
PROD
(+14V)
GND
TPVSET2
IC6722
R6815
D6703
D6478
Q6742,Q6743
PHOTO
COUPLER
IC6802
Q6601
VSET2 GENE
VSET SEPARATE
OUTPUT
FET
IC6752
D
+15V Q6602
G S
CPH1 VCC
Q6621
HO
OUTPUT
HIN FET
FET
LIN DRIVER
D
LO Q6762
VAD SEPARATE
VCC2
GND
G S
IC6772
VCC
IC6771
+16V_F
AVR
IN
+5V
1 +5V 3
GND
GND
IC6773 AND
2 IC6774
AND
IN_B
PHOTO
OUT_Y VAD CONST
IN_A
COUPLER IN_A
OUT_Y
IN_B IC6671
IC6841
FLOATING GND VCC
VSCN Gen.
IN
T6602 Q6841 GND
Q6842
D6806 VSET
TPVSCN
(+145V)
VSUS
D6841
D6804
TPVAD
(Vad 105V)
PC6801
VR6600
D6805 R6861
PHOTO R6862
R6863
COUPLER
IC6801
VAD GENE
PC6480 IC6471
+5V_F DET
PHOTO +5V_F
COMPA-
Vscn DET
COUPLER RATOR
OPERATES AT
160V OR MORE AND
125V OR LESS.
IC6861 D6690
PC6861
Q6690
Vscn(VAD+140V)
PHOTO D6861
COMPA-
COUPLER RATOR
PC6871 IC6871
VDA DET
OPERATES AT 91VOR MORE
PHOTO COMPA- Vad( 105V) AND 120V OR LESS
COUPLER
RATOR 16V_F
Q6791
VSET
111
TH-37PV70F / TH-37PV70P / TH-37PX70B / TH-37PX70E / TH-42PV70F / TH-42PV70P / TH-42PX70B / TH-42PX70E
FOR FACTORY USE
6 5 3 1 SC31
TPSC1 SIGNAL WAVE
VSET
VSUS
VAD
VSCN
SC
VSET2
45
1
FSIU
3
FCLU
5
FCLKU
7
PROU
8
9
Vf+5V
VSET SC41
Q6821
A40 B40
TPVSET
A36 B36
VSET Gen. (+330V)
A35 B35
Q6822
+15V IC6821
A34 B34
A33 B33
A11 B11
A10 B10
A9 B9
A8 B8
A1 B1
Q6642-Q6644
Q6646-Q6648
OUTPUT
FET
D
SC
46
S
G
FSID
Q6781,Q6782
1
FCLD
3
HO
FCLKD
VAD SLOPE
FET 5
Q6661 PROD
DRIVER
2
7
OUTPUT
3 1
LO Q6662
FET
8
VR6602 D
9
S
G
Q6665
SC42
Q6679,Q6680
Q6671,Q6672
B40 A40
OUTPUT
FET Vf
FET
D
DRIVER B33 A33
LO S
G
B32 A32
B31 A31
R6696
Vfo
B30 A30
D6859 D6860
TPSC1 R6697
Vscn
B8 A8
B7 A7
B6 A6
B5 A5
B1 A1
FOR
SC30
USE
10 Vscn
15V_F 8
Q6805,Q6806
7
D6836-D6838
D6839
OFF SET 6
VAD
4 SOS7_SC
CPH1
R6833
R6834
VAD 3
R6835 +15V
R6836
D6871
+16V_F D2826 D6825
1 +15V
D6791 Q6824
VSETSOS DET
TH-37/42PV70F/P, TH-37/42PX70B/E
SC-Board Block Diagram
FSIU
FCLU
FCLKU
PROU
Vf+5V
Vf+5V
Vf
Vf
Vf+5V
Vf+5V
Vf
Vf
Vscn
Vscn
Vfo
Vfo
FSID
FCLD
FCLKD
PROD
Vf+5V
Vf+5V
Vfo
Vfo
Vscn
Vscn
Vf
Vf
Vf+5V
Vf+5V
Vf
Vf