Mitsubishi Electric WD-52531 Service Manual page 55

1 2 3
PG 9.....DM1 [DMDCDC]
A
B
C
D
L9G21
6.8MH 9X9.5
R9G21
270K IC9G21
F9G21 1/16W TPS40071PWPR
FCC20252ADTP
C9G21
0.1
50V/25V 1 KFF 16
ILIM
R9G22
160K
1/16W
2 RT VDD 15
C9G25
0.1
16V
E 3 LVBP BOOST 14
R9G23
18VS 10K
1/16W
4 PGD HDRV 13
C9G22
R9G14 0.1 5 SGND SW 12
1K
R9G32 50V/25V C9G26
1/16W 0.1
180K 16V
1/16W
6 SS DBP 11
Q9G22
2SC3052-T112-1E,F
R9G30 7 VFB LDRV 10
27K C9G27
R9G24
1/16W 4700 1K
STBY Q9G21 50V
1/16W
2SC3052-T112-1E,F 8 COMP PGND 9
"H"= ON
R9G31
C9G28
47K 560
1/16W 50V
PWP GND
C9G29
R9G26
82 10K
50V
DGND 1/16W
F
R9G27 R9G28 R9G29
13K 39K 10K
1/16W 1/16W 1/16W
G
3.3VS
C87A1
0.01
50V
DGND
H
I
J
K
4 5 6
DM DC/DC
C9G61
0.1
25V/16V
C9G23 C9G24
10uF 10uF
25V 25V
Q9G23
C9G30
33 Si7804DN-T1-E3
50V
R9G25
1.5K
1/16W
DGND
R9G37
0 C9G65
L9G22 0.47
C9G33 1/10W
R9G35 GSRH127-4R7N L9G24 10V
4.7 0.1
50V/25V 2.7MH
1/10W
L9G23
2.7MH 3.3VS
DGND
R9B38
0
1/10W
D9G21
C9G36
M-22uF
R9G36
6.8 6.3V
M1FP3-5063
1/10W
C9G35
C9G31 C9G32 C9G34 M-22uF
0.1 1UF 680 6.3V C9G38
D9G22
50V/25V V25 50V 10uF
6.3V C9G69
MAZ80390H 0.1
25V/16V
DGND
CAPACITORS FOR EMI
5V
2.5VS
C87A2 C87A3 C87A4 C87A5 C87A6 C87A7 C87A8 C87A9 C87B1 C87B2 C87B3 C87B4 C87B5 C87B6 C87B7
0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V
DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND
7 8 9 10
1 2 3 4 5 6 7 8
AUD-GND
R8730 DGND
0
1/16W
MN-R
R8731
0
1/16W
MN-L
L8732
BLM18BB141SN1
AVR-R
L8733
BLM18BB141SN1
AVR-L
L8734
BLM18BB141SN1
DM-R
L8735
BLM18BB141SN1
DM-L
R8736
0
1/16W
DM-VID
R8737
0
1/16W
SUB-Cr
R8738
0
1/16W
SUB-Cb
R8739
0
1/16W
SUB-Y
R8740
0
1/16W
SUB-V
IC9G22 R8741
0
SC1566I5MT-2.5.TR
1/16W
SUB-H
6 SDRAM
R8742
2.6V
GND 2.5VS 0
3 5 1/16W
GND VO
MAIN-V
R9G16
15K
4 2 1/16W C9G64 R8743
ADJ EN 0
0.1
1 C9G63 25V/16V 1/16W
MAIN-H
M-220
6.3V
C9G62 R9G17
M-220 R8726
13K 0
6.3V 3A Reg. 1/16W 1/16W
MAIN-Cr
IC9G23 R8725
0
LD29150DT18R 1/16W
1.8V MAIN-Cb
VCCOUT 1.8VS
1 3
C9G67
GND
C9G66 2 0.1
25V/16V C9G68
47 R8724
100 0
6.3V 0.5A Reg. 6.3V
1/16W
MAIN-Y
3.3VS
3.3VS
IC9G24
SC1566I5MT-2.5.TR
6 X226 core
GND 1.5V
3 5 1.5VS
GND VO
R9G15
3K
4 2
1/16W C9G71
ADJ EN 0.1
1
C9G70 25V/16V
M-47
6.3V
R9G34
C9G72 12K
3A Reg.
M-47 1/16W
6.3V
3.3VS
R8797
DEMOD-RST
5VS
11 12 13
CONNECTOR TO PWB-SIGNAL [TV-MICRO]
TA
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
C8705
10uF
6.3V
CONNECTOR TO PWB-SIGNAL [TV-MICRO]
RA
11 12 13 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
1 2 3 4 5 6 7 8 9 10 14 15 16 17 18 19 20 21 22 23 24 25 26 27
DGND
100 1/16W
CONTENTS
PG 1.....BLOCK
PG 2.....POWER / INTERFACE
PG 3.....SIGNAL1 [TV MICRO]
PG 4.....SIGNAL2 [AUDIO / DC-DC]
PG 5.....SIGNAL3 [VID-AUDIO-SW]
PG 6.....SIGNAL4 [FMT-MICRO]
PG 7.....SIGNAL5 [TUNER]
PG 8.....SIGNAL6 [PIN-JACK] / MISC [CONTROL/E2P/FRONT/PREAMP]
PG 9.....DM1 [DMDCDC]
PG 10....DM2 [DMCORE]
PG 11....DM3 [DMMEMA/DC]
PG 12....DM4 [DMMEMB/USB]
PG 13....DM5 [DMROM/AV]
PG 14....DM6 [DMADC-DVI]
14 15 16
GND for 18VS
DGND
18VS
R8701 100 1/16W
DVI-PWRDOWN
R8703 100 1/16W
PVOUT
R8705 100 1/16W
ENG-SDA
R8706 100 1/16W
ENG-SCL
R8707 100 1/16W
CLRN-ENG
R8708 100 1/16W
DDAN-ENG
R8709 100 1/16W
BUSYX-ENG
R8710 100 1/16W
FMT-RTS
R8711 100 1/16W
FMT-CTS
R8712 100 1/16W
FMT-TXD
R8713 100 1/16W
FMT-RXD
R8714 100 1/16W
FMTRST
R8715 100 1/16W
E-SRD
R8716 100 1/16W
E-SCK
R8717 100 1/16W
E-SWD
R8718 100 1/16W
E-SCS
R8771 100 1/16W
FMT-BUSREQ
R8772 100 1/16W
PC-TXD
R8773 100 1/16W
PC-RXD
5VS
DGND
9VS
R8719 100 1/16W
HOTPLG1
R8720 100 1/16W
HOTPLG2
R8721 100 1/16W
HMINT
R8722 100 1/16W
HMRST
5VSL
48 49 50
DGND
R8787 100 1/16W
DM2
DM-RST
R8790 100 1/16W
STBY DM1
PON
R8793 0 1/16W
3.3VSCL
R8794 0 1/16W
3.3VSDA
R8788 100 1/16W
TV-RST
R8792 100 1/16W
SMVCCA/GPIO
R8798 100 1/16W
GPIOB[11]
R8799 100 1/16W
GPIOB[12]
R87A0 0 1/16W
I2CCLKB
R87A1 0 1/16W
I2CDATB
R87B1 100 1/16W
TV-RXD
R87B0 100 1/16W
TV-TXD
R87A8 100 1/16W
TV-RTS
R87A9 100 1/16W
TV-CTS
WD-52531 V32
WD-62531 V32
PG 15....DM7 [DMPM8]
WD-62530 V32L
PG 16....DM8 [DM-HDMI]
PG 17....DM9 [DM-AUDIO]
PAGE 9