Sc2 And S1-Board Block Diagram - Panasonic TH-103PF10UK Service Manual

TH-103PF10UK/EK

9.20. SC2 and S1-Board Block Diagram

S1 POWER SW
!
<TNPA4084>
SC2
!
(Exchange board only)
(Exchange board only)
SC
S34
34
PUSH
1 1
STB PS
3 STB_12V 3
SW061
POWER SW
TO P12
SC
(P-BOARD SC SIDE)
12
Vda 75V 1
Vda 75V 2
+15V 4
STB+12V 8
STB_PS 10
TO P11
SC
(P-BOARD SC SIDE) 82
195V
Vsus 1
TO SC81
SC
(SC-BOARD)
84
VBK 1
VBK 2
VBK 3
VBK 4
V_CENT 13
V_CENT 14
V_CENT
15
V_CENT 16
TH-103PF10UK/EK
SC2 and S1-Board Block Diagram
DC-DC CONVERTER
FOR SCAN DRIVE
<TNPA4034>
+15V
VIN VOUT
GND COM
IC6791
DC/DC CONV.
COLD COLD COLD FLOATING GND
+15V
VIN VOUT
GND COM
IC6792
VSUS
DC/DC CONV.
COLD COLD COLD FLOATING GND
Q6351
Q6352
Vbk
Q6353
VR6351
IC6351
+15V
Vbk
K
Adj.
REF
(152V-181V)
A
T6602
7 10
OCP
6 11
IC6803
12
POWER OSC
4 13
S
2 15
Vin D
PC6801
R6803
PHOTO
COUPLER
R6804
+16V_F
TPF16V
85V(Vad)
FLOATING GND
+16V_F2
TPF16V-2
85V(Vad)
FLOATING GND
VSET:240V
VSET0 VSET Gen. VSET TPVSET
Q6821,Q6822
IC6821
+15V
K
REF
A
VAD Gen.( 85V)
D6806
Q6803
VSUS IC6801
K
REF
VR6600
A
D6804
85V
TPVAD
86
TO DR1
SC
13 (DR1-BOARD SC SIDE)
1 Vda75V
2 Vda75V
3 Vda75V
4 Vda75V
6 +15V
TO DR11
SC
(DR2-BOARD SC SIDE)
14
1 Vda75V
2 Vda75V
3 Vda75V
4 Vda75V
6 +15V
(+140V)
VSCN Gen.
TPVSCN
Q6841,Q6842
TO SC80
+15V SC
(SC-BOARD)
IC6841 83
D6841
1 Vset
K
2 Vset
REF VR6605
5 +15V
A
6 +15V
11 +16V-F2
12 +16V-F2
13 +16V-F
D6859
14 +16V-F
17 VSCN
18 VSCN
21 VAD
22 VAD
SOS7-SC2
SC30 1 2 4 5 6 8
FOR
FACTORY
USE
TH-103PF10UK/EK
SC2 and S1-Board Block Diagram