Panasonic TH-50PH10BK Service Manual page 103

14.41. SC, SU and SD-Board Block Diagram
SC SCAN DRIVE
Q6881 155V
Q6882
VBK
Q6883
TO P2 SC2 VSUS +15V IC6881
190V
Vsus 1
TPVSUS
IC6500
Q6500
COMPARATOR
VCC
+
-
IC6561,6562
SC
TO D20 +5V BUFFER
20 VBK Gen.
+5V 30 VCC
IC6481
OC1
OC1 29
Q6561,Q6562
CPH2 28
VCC
BUFFER
CLK
FET
CLK 26
HIN
DRIVER
SIU HO
LIN
SIU 25
SID
SID 23
SCSU
SCSU 22
OC2
Vsus Gen.
OC2 20
CBK
IC6501
CPH1
CPH1 19
Q6501,Q6502
CPH2
Q6521,Q6522
CBK 12
CEL
VCC HO
CEL 13
CSL HIN
CSL 9 FET
BUFFER LIN
CSH DRIVER
CSH 8
LO
CML
CML 6
CMH
CMH 5
R6468
SC_DRV_RST 11 R6467
+5V
R6466
VCC 2G
R6465
D6499
SOS6_SC1 16 ENERGY RECOVERY
SOS7_SC2 15
IC6521
Q6531,Q6532
Q6551,Q6552
VCC HO
HIN
FET
Q6452,Q6453
LIN DRIVER
VCC2 LO
+15V
+15V 3
TP15V
+15V 2
+15V 1
VCC
IC6581
Q6581
COMPARATOR
D6585
ENERGY RECOVERY SOS DET
TPSOS6
LED BLINKING : 6 TIMES
IC6471
TPSOS7
AND GATE
+5V
SC_DRV_RST
5 VCC IN_B 1
D6480
4 OUT_Y IN_A 2
SC FLOATING PART SOS DET
LED BLINKING : 7 TIMES
TH-50PH10BK/BS/EK/ES
SC, SU and SD-Board Block Diagram
COLD FLOATING GND
IC6791
TPVBK
DC/DC CONV. +16V_F
15V
VBK VIN VOUT
GND COM
Vad 105V
IC6724
IC6725
VR6604
+5V
+5V_F
+5V_F
AVR AVR
1 +5V 3 1 +5V 3
COM COM
2 2
PC6701
+5V IC6721
OC1 VCC
OC1
PHOTO BUFFER
COUPLER
CLK
CLK
Q6571,Q6573
OUTPUT
FET GND
SIU
D
PHOTO
SIU VCC
COUPLER
S
G SID
SID
BUFFER
OC2
PC6702
GND
Q6402-Q6404
OUTPUT
IC6722
FET
D
D6742
G
S
PC6703
D6478
Q6422-Q6424 Q6742,Q6743
OUTPUT
FET OC2
D
PHOTO
COUPLER
G
S
VSET SEPARATE
IC6752
Q6602
+15V
Q6603
Q6441-Q6443
CPH1 VCC
HO Q6621,Q6623
OUTPUT
CPH1
FET HIN FET
D
CPH2
L6401
LIN DRIVER
G
L6404 LO Q6763
VCC2 VCOM
S
L6411
OUTPUT
L6414
FET
D
G IC6771
S
+16V_F
AVR
PC6705 +5V
1 +5V 3
CEL
GND
2
IC6774 AND
PHOTO IN_B
SCSU IN_A
COUPLER IN_A
OUT_Y
D6583 IN_B
LED(G)
IC6841
COLD FLOATING GND
VSCN Gen.
IC6803
POWER OSC
T6602 Q6841
Q6842
VSET
D6806
VCC 4
VSUS
3 GND Z/C 1
VSUS
D6841
5 S
VIN 7
D6804
D 9
F/B
2
PC6801
PHOTO
COUPLER
IC6801 VAD GENE
Q6803
PC6480 IC6471
+5V_F DET
+5V_F
PHOTO
COMPA-
COUPLER RATOR
PC6861 IC6861
D6862 Vscn(VAD+145V)
PHOTO COMPA-
RATOR
COUPLER
PC6871 IC6871
D6872
PHOTO
COMPA- Vad(
COUPLER RATOR 16V_F
VSET
FOR FACTORY USE
6 5 3 1 SC31
TPSC1 SIGNAL WAVE
VSET
VSUS
VAD
VSET2
15V_F
D6619
D6721
VF_GND
VSET
OC1U
Q6821
OC1D
FCLKU
TPVSET
FCLKD
VSET Gen. (+330V)
Q6822
IC6821
+15V
FSIU
FSID
OC2U
OC2D
(+12V)
TPVSET2
R6800
VR6603
IC6802
VSET2 GENE
Q6601
OUTPUT
FET
D
G S
OUTPUT
Q6643,Q6645
FET
Q6646-Q6649,Q6651
D
OUTPUT
VAD SEPARATE
FET
G S D
IC6772
S
G
Q6781,Q6782
VCC HO
VAD SLOPE
FET
IN
Q6661
DRIVER 2
OUTPUT
3 1
GND LO Q6662
FET
IC6773 AND VR6602 D
OUT_Y VAD CONST S
G
Q6665
IC6671
Q6679,Q6680
Q6671-Q6673
VF_GND
VCC OUTPUT
FET
VSCN
FET D
IN
DRIVER
LO
GND S
G
TPVSCN
(VAD+145V)
R6696
D6859 D6860
TPSC1 R6697
VAD
TPVAD
Q6805
(Vad 105V)
Q6806
VR6600
R6861
D6838
R6862
R6863
Vscn DET
OPERATES AT
160V OR MORE AND
121V OR LESS.
D6690
Q6690
VSCN
D6833
R6833
VAD Q6804 R6834
Vad DET R6835
OPERATES AT 76VOR MORE R6836
D6871
AND 121V OR LESS +16V_F D2826 D6825
105V)
Q6824
D6791
Q6791 R6837
VSETSOS DET
F16V DET
OPERATES AT 21V OR MORE
103
TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES
SU SCAN OUT (UPPER)
VAD
SI
VDDH
VDD
IC6901
VSCN SC SU
45 45 CLK
OC1
FSIU S/P
1 1
OC2
FSIU 64bit
OC1U
GND
3 3 SO
OC1U
FCLKU
5 5
FCLKU SI
OC2U VDDH
7 7 VDD
IC6902
OC2U
+5V_F Vf+5V
8 8 CLK
OC1
Vf+5V S/P
9 9
OC2
64bit
GND
SO
SI
SC41 SU41 VDDH
VDD
IC6903
Vf
A40 B40 C40 C80 CLK
OC1
S/P
OC2
Vf 64bit
GND
A36 B36 C36 C76 SO
Vf+5V
A35 B35 C35 C75
Vf+5V
A34 B34 C34 C74
VDDH SI
Vf
VDD
IC6904
A33 B33 C33 C73
CLK
Vf OC1
S/P
A11 B11 C11 C51 OC2
Vscn 64bit
A10 B10 C10 C50 GND SO
Vscn
A9 B9 C9 C49
Vfo
A8 B8 C8 C48 VDDH SI
VDD
IC6905
Vfo
CLK
A1 B1 C1 C41
OC1
S/P
D6903
OC2
D6904
64bit
GND SO
VDDH SI
VDD
IC6906
CLK
OC1
S/P
OC2
64bit
GND
VDDH SI
VDD
IC6951
SC SD
CLK
46 46
OC1
FSID FSID S/P
1 1
OC2
64bit
OC1D OC1D
GND SO
3 3
FCLKD FCLKD
5 5
VDDH SI
OC2D OC2D
7 7 VDD
IC6952
Vf+5V
CLK
8 8
OC1
Vf+5V S/P
9 9
OC2
64bit
GND
SO
SC42 SD42 VDDH SI
D6953 VDD
IC6953
Vfo D6954
CLK
B40 A40 A40 A80
Vf OC1
S/P
OC2
Vfo
64bit
B33 A33 A33 A73
GND
SO
Vscn
B32 A32 A32 A72
Vscn
B31 A31 A31 A71
VDDH SI
Vfo Vf
VDD
B30 A30 A30 A70 IC6954
CLK
Vscn Vf OC1
S/P
B8 A8 A8 A48 OC2
Vf+5V
64bit
B7 A7 A7 A47 GND SO
Vf+5V
B6 A6 A6 A46
Vf
B5 A5 A5 A45 VDDH SI
VDD
IC6955
Vf
CLK
B1 A1 A1 A41
OC1
S/P
OC2
64bit
GND SO
VDDH SI
FOR
VDD
IC6956
FACTORY
SC30 CLK
USE
OC1
S/P
OC2
10 Vscn
64bit
GND
8
7 SD SCAN OUT (LOWER)
6 VAD
4 SOS7_SC
CPH1
3 CPH1
+15V
1 +15V
TH-50PH10BK/BS/EK/ES
SC, SU and SD-Board Block Diagram
SU1
96
64 LINE
32
32
SU2
96
64 LINE
PANEL
SCAN
ELECTRODES
SU3
384LINE
96 (UPPER)
LINE
64
32
32
SU4
96
64 LINE
SD1
96
64 LINE
32
32
SD2
96
64 LINE
PANEL
SCAN
SD3 ELECTRODES
384LINE
96
(LOWER)
LINE
64
32
32
SD4
96
LINE
64