Read Panasonic TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P Service Manual online
15.61. SC-Board (1 of 2) Block Diagram
+
+
+
+
OC1D1(CL)
FOC1D1
FSID1
CLKA
OC1U1(CL)
FCLKU1
FGLKD1
FOC2D1
SIUA
FOC1U1
FSIU1
FOC2U1
CEL2(OC2)
FOC2U2
FOC1U2
FSID2
FOC2D2
FOC1D2
FCLKU2
FCLKD2
FSIU2
OC1U2(CL2)
OC1D2(CL2)
SIUB/LAT
CLKB
CEL
SCSU
C6791
D6825
D6585
C6795
C6796
D6478
R6581
R6833
Q6824
VSET0
TPVSUS
D6583
TPVSET
R6831
D6826
D6480
D6479
D6722
D6795
+15V-F2
D6804
T6602
D6805
D6806
D6883
TPVERS
TPVAD
D6807
D6882
VSET
VCC
VAD
DRIVER
22
COMPARATOR
FET
+365V
DRIVER
LO
TPSC1 WAVEFORM
VSCN SUPERIMPOSED
FET
SC
Vsus
24
CSH
CMH
P+15V
SIUA
19
P+15V
14
9
P+5V
Q6441-Q6444
LO
HIN
FET
Q6531,Q6532
P+5V
SCSU
P+15V
(+33V)
Y
Vsus Gen.
VCC
Q6451-Q6453
FET
Q6521-Q6524
OC2(CEL2)
4
25
B
5
FET
VSCN
CPH2
CONVERTER
HIN
CERS(CBK)
Q6551,Q6552
Q6605,Q6606
SC2
Q6581
BUFFER
FET
CEL2
7
P+15V
Q6401-Q6405
Q6821,Q6822
LIN
DRV_RST0
GND
HO
+5V
VCC
Q6742,Q6743
15
FET
CSL
LO
IN
20
DRIVER
CEL
Vset SOS DET
GND
CQR(CPL)
+5V
VSUS
1
Q6501-Q6504
BUFFER
DRIVER
LO
ENERGY RECOVERY
LIN
SIDA
A
VSET SEPA
VSET Gen.
GND
HO
DC/DC
HIN
VSET2
CERS(CBK)
17
GND
Q6421-Q6425
FET
Q6604
HO
HO
IN
18
SC SCAN DRIVE
PHOTO
COUPLER
COUPLER
PHOTO
COUPLER
COUPLER
PHOTO
COUPLER
COUPLER
TPSOS7
TPSOS6
P5V
1
+210V
Vsus
D6582
D6583
P+15V
VSET:365V
100k
4
283V OR LESS
VSET SOS
2
CLK
CSOU
SIUB/LAT
CML
11
12
10
CPH1
13
OC1A(CL)
16
26
SIDB
OC1B(CL2)
27
6
SOS6_SC1
21
SOS7_SC2
P15V
30
P15V
31
P+15V
MAIN_STOP
DRV_RSTO
VCC
VCC
VCC
IC6561
BUFFER
BUFFER
IC6562
BUFFER
IC6563
OC1A(CL)
SIDA
CLK
SIUA
CEL2(OC2)
SIUB/LAT
SCSU
CERS(CBK)
CLK
CEL2(OC2)
SIDA
SIUA
CQR(CPL)
CSOU
SIUB/LAT
OC1A(CL)
CERS(CBK)
CML
CSL
CEL
CPH2
CPH1
CEL
CSL
CSOU
SCSU
CQR(CPL)
OC1B(CL2)
SIDB
CLK
SCSU
SCSU
OC1U1(CL)
OC1D1(CL)
SIUA
CLKA
CEL2(OC2)
SIUB/LAT
CERS(CBK)
SCNSOS_OUT1
CPH
CPH2
CEL
CSL
CSH
CML
CMH
CMH
CML
DRV_RST0
2G
CSL
CSH
CSOU
SCSU
OC1U2(CL2)
VSET2_SEL
CLKB
DC1D2(CL2)
SCNSOS_OUT2
VSET2
VSET3
PHOTO
COUPLER
COUPLER
LIN
P+5V
CML
CPH1
CMH
CSH
CPH
CPH2
HO
BUFFER
Q6763
FET
OUT
OUT
Q6622-Q6626
BUFFER
Q6602,Q6603
Q6601
FET
OUT
OUT
INIT-F
Verase
P+15V
GND
CERS(CBK)
VSET2-SEL
CSOU
P+15V
AVR
+5V(SC1)
2
3
+5V
(SC2)
1
D6725
CSOU
OUT
OUT
BUFFER
VF_GND1
AVR
+5V(SC2)
+5V
1
2
(SC1)
3
+16V
VAD
D6721
+15V-F1
OC2B
CSOU
SIUA
CLKA
OC1U1(CL)
OC1D1(CL)
CEL2(OC2)
+5V-F1
+5V-F1
5V_F1
BUFFER
Q6691,Q6692
Q6694
BUFFER
Q6648,Q6649
Q6651-Q6654
Q6651-Q6654
Q6695,Q6696
VF-GND1
VF-GND2
BUFFER
OUT
Q6609
BUFFER
Vsus
+5V-F2
3
2
+5V
+5V
2
+5V
OC1U2(CL2)
OC1D2(CL2)
OC2B
BUFFER
PHOTO
COUPLER
COUPLER
PHOTO
COUPLER
COUPLER
GND
1
VF-GND1
1
AVR
+5V(SC1)
AVR
BUFFER
(SC1)
VF-GND2
(SC2)
GND
PHOTO
COUPLER
COUPLER
+5V
+5V(SC2)
3
P+5V
IC6821
IC6501
PC6701
IC6791
IC6721
P2
D20
CPH
+5V(SC2)SOS
D6699
IC6521
IC6472
PC6707
PC6708
PC6703
IC6872
PC6702
IC6601
IC6672
IC6722
IC6752
IC6796
IC6795
IC6793
PC6709
IC6794
IC6581
IC6725
IC6724
5V_F2
15
+5V(SC3)
VAD Gene
(
(
140V)
12
6
VR6600
SCSU
VSET
CEL
132.7 -
147.8
PHOTO
COUPLER
COUPLER
VSUS
+5V
B
BUFFER
PHOTO
COUPLER
COUPLER
VSE2
VSE3
-140V
Adj
A
Y
2
7
4
+16V
2
IC6803
PC6705
PC6801
11
13
1
Vin
(SC3)
OSC
GND
VCC
AVR
PC6801
IC6774
D
IC6773
IC6771
F/B
9
3
10
+5V_SOS
VAD
+16V
SOS7_SC2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+15V-F1
P+5V
+16V
+5V
+5V-F2
+5V
+5V
SC FLOATING PART SOS DET
LED BLINKING
LED BLINKING
7 TIMES
SC FLOATING PART SOS DET
LED BLINKING
LED BLINKING
6 TIMES
LED(G)
TH-42PY70F/P, PZ70B/E
SC-Board (1 of 2) Block Diagram
SC-Board (1 of 2) Block Diagram
TH-42PY70F/P, PZ70B/E
SC-Board (1 of 2) Block Diagram
SC-Board (1 of 2) Block Diagram
FLOATING GND
COLD
FLOATING GND
COLD
TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
126
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