JVC LT-52GZ79 Service Manual page 47

POWER PWB CIRCUIT DIAGRAM (2/3)
375V
C9552
OPEN
D2 23 D9553
PTZ27B-X
R9552
47
NC 22 R9553
1/2W
22k
D9554
1/8W
PTZ27B-X
G2 20
D1 19
R9557
1k 1/8W
NC 18 D9555
R9556 R9558
D9556 SD883-04-X
100k
10k 1/8W
* 1/8W
15
VW
C9553
820p
S-GND 7
C9554
0.0018
CON 14
Q2 SW
Q9551
NC 6 NPN
C9555
330p
NC 3
C9556
100/16
IC_GND QEHR1CM-107Z
FB 13
C9557
0.1
R9561
10k
NC 1 R9560 1/8W
C9559 18k
0.001
1/8W
IS 12
C9558
D9557
1
OPEN
NCB31CK-105X
STB 11
C9560
0.047
VCC 10
C9561 C9562
R9564
100/50
68k 0.1
NC 2 QEHR1HM-107Z
1/8W
P-GND 8
K9551
OPEN
S1 5
R9568
R9567
0.1
OPEN
NRZ0096-R010X
S1 4
R9569
0.1
NRZ0096-R010X
POWER PWB(1/3)
IC9501
R9565 R9566
MP2A5038-F233
820 OPEN GND1
H9501 1/2W
Vcc_GND
LC32819-001B
MAIN POWER
LIVE
GND1
SW18V
18V
PFC_CTR
PON
POWER PWB ASS'Y (2/3)
SFL-90A5A-H2 [LT-52GZ79, LT-52GZ79/S]
SFL-90A5A-H8 [LT-52GZ79/BA]
SFL-90A6A-H2 [LT-52GZ79/E]
!
R9551
1M 1/2W
QRZ9046-105Z
C9551
QFZ0230-563
Y9551
OPEN
D9551 R9554
OPEN
OPEN
R9555
D9552
22 1/2W
SD883-04-X
R9578
1/2W
150
R9559
22k
NRSA02J-223X
R9562 R9563
OPEN OPEN
Q9552
OPEN
Q9553
OPEN
FEED BACK
D9561
1SS355W-X
Q9555
2SB1188/QR/-W
C9564
SW R9572
OPEN
47k
GND1
R9573
5.6k
NRSA02J-562X Q9556
UN2212-X R9574
68k
SW
R9575
OPEN
SW
Q9557
UN2213-X
GND1
R9576
R9579 100k
OPEN
R9580
47K
(No.YA665<Rev.001>)2-45
LCD PANEL UNIT LCD PANEL UNIT
[SLAVE SIDE] [MASTER SIDE]
CN00P
QGA2013C2-14
CN00Q
QGA2013C2-10
K9601
GND24
BW
!
C9591
K9602
QCZ9071-102
BW
GND1 GND2 K9603
BW
L9601 Y9602
OPEN BW2
K9604
BW
Y9601
K9605
BW2
BW
K9606
BW
TRANSF
GND2 GND24
!
H9601
T9501
LC32802-001B
QQS0406-002 !
K9607 C9601 C9605
QQR0621-002Z C9603 CP9601
1200/35 1200/35 ICP-N70-T
OPEN
QECQ1VM-128 QECQ1VM-128
3
CP
2
1
K9608 D9601
QQR0621-002Z FCHS20A08
3
2
1 C9602 C9604
K9609
QQR0621-002Z 1200/35 1200/35
GND24 D9602 QECQ1VM-128 QECQ1VM-128
GND24
FCHS20A08
3
2
1
D9603
R9603
FCHS20A08
2.2K
1/2W
3
2
1
K9610 D9654 GND24
D9604
QQR0621-002Z
FCHS20A08 MTZJ16B-T2
R9651 D9652 R9652 L9651
QQL244J-101Z
OPEN OPEN OPEN
C9651
OPEN
C9653
C9652 C9654
D9651
OPEN 33/50 100/50
OPEN
D9653
MTZJ16B-T2
GND2
R9605
10k
NRSA02J-103X
4 1
!
R9606
PC9501 27k
PS2581AL1/QW/ R9604 0.5%
VOLTAGE 10k
FEED BACK
R9607
C9612
6.8k
3 2 0.1/50
NCB21HK-104X R9608 0.5%
100k
D9611 IC9601 3
OPEN
UTCTL431-T
1
2
ERROR AMP
R9609
GND24
3.9k
IC_GND
0.5%
GND24
ISOLATED
R9577
100k
Q9558
R9621
UN2213-X
1.8k
4 1
!
SW
PC9502
PS2581AL1/QW/
VOLTAGE
FEED BACK
3 2
SW Y9621
OPEN
Q9602
UN2212-X
GND1 GND2
Y9622
R9631
1.8k
Y9632
4 1
!
PC9503
PS2581AL1/QW/
VOLTAGE
FEED BACK
3 2
Y9631
SW OPEN
Q9603
UN2212-X
GND2
GND1
R9641
1.8K
4 1 !
PC9504
PS2581AL1/QW/
VOLTAGE
FEED BACK
3 2
SW
LCD_POW
Q9604
UN2212-X
GND2
GND1
C9592
OPEN
GND1 GND2
2-46(No.YA665<Rev.001>)
C9611
OPEN
GND24
R9625
CBW
L9602 Y9755
OPEN OPEN
C9610
OPEN
GND2
Y9754
CBW
H9751 OPEN
IC9751
AUDIO+13.5V /16V REG.
OPEN
AUDIO_VCC
1 2 3 4 5 R9758 R9756
OPEN
OPEN
C9753 R9751 R9754
L9751 L9752 R9757
OPEN OPEN 680/25 OPEN C9754 OPEN
OPEN
QECR1EM-687Z 0.5% OPEN 0.5%
Y9751
QUY160-075Y
C9751 C9752
OPEN OPEN
Y9752
QUY160-075Y
R9752 R9755
OPEN OPEN
D9751 D9752 0.5% 0.5%
OPEN
Y9756 OPEN
OPEN
R9753
L9753
OPEN
QQL26AM-4R7Z
0.5%
R9709
GND2 K9751 100k
NQR0499-002X R9708
GND24
330
SW
H9701 LC31334-003B Q9701
NPN
SW
Y9663 Y9664 PQ1CG2032FZ LCD5V/12V REG.
QUY160-125Y QUY160-125Y IC9701
Q9702
UN2213-X
Y9661 1 2 3 4 5
OPEN
L9701 L9702 C9703 R9701 R9704
QQL26AK-100Z QQR1432-001 680/25 10K C9704 68K L9703 GND2
QECR1EM-687Z 0.5% OPEN 0.5% QQL26AK-100Z
Y9662
OPEN
C9702 5.09v
C9701
OPEN
330/35 3.3k
QECR1VM-337Z
1k
12.24v
D9701 D9702 10k
OPEN EC30HA03L-X
1k
R9702 R9703 R9705 C9705
OPEN 1K OPEN QEHR1CM-477Z
0.5% 0.5% 0.5% GND2
MAIN_POW
BW PFC_POW
PC9502 PC9503
47 PFC_POW LB_POW
37/42 MAIN_POW PFC_POW
BW LB_POW
PFC_POW
DIFFERENCE PART LIST
ASSY NO. - MODEL LIST LT-47GZ78A
LT-47GZ78B
LT-47GZ78BA
SFL-9092A - LT-47GZ78A
LT-47GZ78SA
LT-52GZ79A
LT-47GZ78TA LT-52GZ79BA
LT-47GZ78BA
LT47GZ78NASK LT-52GZ79SA LT-52GZ79EA
LT-47GZ78SA
* SFL SFL SFL
-9092A -90A5A -90A6A
LT-47GZ78TA
LT-47GZ78B
D9556 UDZS3.9B-X UDZW3.9B-X UDZW3.9B-X
LT47GZ78NASK
SFL-90A5A - LT-52GZ79A
LT-52GZ79SA
LT-52GZ79BA
SFL-90A6A - LT-52GZ79EA
CN00W
QGA2013C2-04
DIGITAL PWB
4 STATUS
3 BURST DIM.
(11/12)
2
ON/OFF
1 ANALOG DIM. CN001W
STB_5V
POWER PWB
MAIN_POW
(1/3)
PFC_POW
AC_IN
1 MAIN_POW
2 LB_POW
3 PFC_POW
4 LCD_POW
5 AC_IN DC-DC PWB
6 STB_5V
CN00A
7 LCD5/12V
8 GND
9
24V
10 24V/16V
11 16V
12
GND
13 GND
GND2
14 GND
15 BT32V
CN00A
QGA2013C2-15
GND2
POWER PWB
BT32V
16V (3/3)
AUDIO+13.5V
CN00F
QGA2013C2-02 ANALOG PWB
1
AUDIO+13.5V
(4/6)
2 AUDIO_GND
CN10F
POWER PWB
AUDIO_GND AUDIO_GND
(3/3)
Y9753
D9703
OPEN
OPEN
R9706 GND2
0
R9707
OPEN
39k
68k
ggs20023001a_12/4_2/3_0.0