Panasonic TH-103PF10WK, Service Manual

Page: 85 / 126

T
H
-103
PF
10
WK/TK/RK
85
9.19.
S
C2 and S1-Board Block Diagram
C
O
L
D
F
L
O
A
T
IN
G
G
N
D
C
O
L
D
F
L
O
A
T
IN
G
G
N
D
+
+
PUSH
+16V_F
+15V
D6806
VR6600
1
2
3
VSUS
VSUS
T6602
D6841
+15V
SOS7-SC2
VR6605
1
2
3
+15V
+16V_F2
+15V
SW061
Q6352
Q6351
VR6351
1
2
3
+15V
VSET0
VSET
VSCN
Gen.
COUPLER
24
4
6
IC6801
TPV
AD
K
T
O
P12
P
H
OTO
VSET
Gen.
FOR
12
S
2
K
2
195V
Vin
VIN
GND
Q6841,Q6842
10
4
+15V
10
6
1
IC6791
Vsus
V
OUT
USE
SC 82
TPVSET
Vda
75V
PC6801
SC30
REF
IC6841
A
OCP
D
REF
A
Q6821,Q6822
STB_PS
Q6803
REF
12
TPVSCN
7
V
A
D
Gen.(
85V)
A
5
15
F
A
CT
OR
Y
K
85V(V
ad)
1 1
PO
WER
OSC
IC6821
IC6803
Vda
75V
(+140V)
8
COM
11 13
SC
STB+12V
DC/DC
CONV
.
8
TPF16V
VSET
:240V
D6804
R6803 R6804
85V
1
Vset
T
O
SC80
Vset
SC 83
2
(SC-BO
ARD)
5 6
+15V
+15V
11 12
+16V
-F2
+16V
-F2
VSCN
17 21
VA
D
VSCN
22 13
VA
D
14 18
+16V
-F
+16V
-F
D6859
VIN
GND
COM
TPF16V
-2
V
OUT
85V(V
ad)
DC/DC
CONV
.
IC6792
STB
PS
1
34
3
1
3
SC
STB_12V
S34
1
T
O
SC81
VBK
SC 84
2
3 4
15
V_CENT
13
16
14
VBK
VBK VBK
V_CENT V_CENT V_CENT
Vbk Adj.
(152V
-181V)
K A
IC6351
REF
Q6353
Vbk
+15V
3 6
(DR1-BO
ARD
SC
SIDE)
1 2
13
4
SC
Vda75V
T
O
DR1
Vda75V Vda75V Vda75V
T
O
DR11
SC
6 2
Vda75V Vda75V
+15V
3
(DR2-BO
ARD
SC
SIDE)
Vda75V
14
4 1
Vda75V
(SC-BO
ARD)
(P-BO
ARD
SC
SIDE)
T
O
P11
(P-BO
ARD
SC
SIDE)
(Exchange
board
only)
DC-DC
CONVER
TER
!
<TNP
A4034>
SC2
(Exchange
board
only)
!
<TNP
A4084>
S1
PO
WER
SW
PO
WER
SW
FOR
SCAN
DRIVE
COLD
FLO
A
TING
GND
COLD
FLO
A
TING
GND
TH-103PF10WK/TK/RK SC2
and
S1-Board
Block
Diagram
TH-103PF10WK/TK/RK SC2
and
S1-Board
Block
Diagram