Panasonic TH-37PA30E Service Manual page 184

D925
28
C922
400V
5
4
Vcc
D
Startup
C921
UVLO
+ comp
-
c(startup off)
cc(startup on)
Startup
L921
Peak Burst Peak
Current Current
Limit Limit
Soft
drive
GND
3
D922
5
R940
!
1
4
3 2
LF911
!
F902
R904
K5D312BK0012
T3.15AL 250V
!
NEUTRAL
LF915
!
3 4
!
C903
C915
2 1
!
HOT
C911
COLD
71
HOT COLD
!
T920
18 P2 C972
17
2
NC S3
D971
3
16 PT
S4
C970
15
NC
14 P1
5
S1A
D970
13 6
NC S1B
C971
12 NC
7
S2A
11
8
V2 S2B
R924
10
V1
#
!
C914
HOT COLD
IC921
4 1
R971
FEED BACK
2
3
!
RL901
D990
HOT COLD
POWER ON/OFF CONTROL
LIVE
!
C910
14V(UN REG)
C973
21V(UN REG)
R970
R972
C975
R976
C974
3 R973
IC970
1
ERROR
REF_2.5V
VOLTAGE
2
DET
STAND-BY 5V
C990
R990
R992
Q990
COLD
HOT
HOT
COLD
TO PA10
PF10
5 UNR_14V
UNR_21V
1
2 UNR_21V
R974
R975
STB_5V
7
9 AC_ON/OFF
TO P9
PF2
NEUTRAL
1
LIVE
4
TH-37PA30E/TH-42PA30E
PF-Board Block Diagram