P-Board (1 Of 2) Block Diagram - Panasonic TH-65PX600U Service Manual

15.3. P-Board (1 of 2) Block Diagram

RF1601 3A
P9
K1601 K1602
F1601
3
AC CORD
F1602
1
AC INLET
D1601 D1602
TO P51 P52
AC_L 4
AC_N
1
7 8
RELAY RELAY
MAIN RUSH
P54
TO P53
VSUS_VCC 1 1 VCC-IN
TIMING
GND
CAP
4 5
BIAS
-GND
TH-65PX600U
P-Board (1 of 2) Block Diagram
D1605 D1609
D1606
L1604
D1603 D1604
L1601 L1602 L1603 R1605
AC+ +AC C1620
L.F L.F L.F R1606
R1607
G G G G
S S S S
AC- -AC
R1631
R1608
D D
D D
R1632
ZD1602
R1633
(+4.7V)
10 7 3 1
VCC OCL VIN +S
(18V) (IDET) (VDET)
Q1604 MC1601 4
OVP
11 GATE
Q1605
PFC
PFC MODULE
ON/OFF 9
6 GND
<Exchange board only>
R221 R220 R219
R222
15 6
PFC-SUS BIAS-PFC
H:ON
(VCC-OUT) ON/OFF
3
PFC
MC202
RELAY/
PFC CONTROL MODULE
<Exchange board only>
L:ON
SUS
BIAS
11
ON/OFF
ON/OFF
2
L:ON
F201
R1635 Q205
G
D
Q201
R1636
S
G
R1637
Q206
G
R1638 D
Q202
S
G
R1639
Q1608
Q1609
R1644 R1642
R1643
1 2 6 5 10
GH SH GL SL SG
Zero Voltage IRS
Switching Controller
VCO
VDD I+
BIAS
12
Vsus
Vsus
ON/OFF
13 POWER SUPPLY
<Exchange board only>
P POWER SUPPLY 1/2
83
HOT COLD
Vsus 178V
T201
D251 R254
D P1
Q203
R257 VSUS
D253
S S1
VR251
R277
C255
R260
R278
C256
D P2 S2
R279
Q204 R261
S
R264
P1 R280
D252
R262
S1 D254 R281 R265
T1
R282
T2
P2 S2
Q251
D255
9 25 24 22
I+ VCC STOP V+
MC201
0V
23
PC201
Vsus ON/OFF
HOT COLD
PC202
PFC ON/OFF
TH-65PX600U
P-Board (1 of 2) Block Diagram
TH-65PX600U
P2
TO SC2
Vsus
1
P11
TO SS11
1 Vsus
R266
R267
P56
TO P55
6 5Vc_OUT
R268
2 PFC_ON
7 HV(SUS)_ON
8 Vs_STOP
1 Vs_OUT
5 STB_IN