Mitsubishi Electric WD-52627 Service Manual page 82

1 2 3 4
CE1
DM FAN
A
CE1
1 2 3 4 5 6 7 8 9 10 11
JD
FRONT
FD
JD
TVuP 1 3 5 7 9 MTU-R
1 2 3 1
GND 2
B 2 4 6 8 10
STU-R 3
GND 4
AVR-R 5
GND 6
DM-R 7
GND 8
CE
ENC-R 9
HDMI GND 10
MN-R 11
1 2 3 4 5 6 7 8 9 10 11
GND 12
MAIN-Y
13
GND 14
MAIN-Pb 15
GND 16
IN2-V IN2-V
1 1 MAIN-Pr
GND 2 2 GND 17
IN2-C 3 3 IN2-C GND 18
GND GND MAIN-H 19
4 4
IN2-Y MAIN-V 20
5 5 IN2-Y
GND GND 21
6 6 GND
DM-VID 22
CMP1-Pr 7 7 CMP1-Pr
12VS 23
C GND 8 8 GND
12VS 24
CMP1-Pb 9 9 CMP1-Pb
5VS 25
GMD 10 10 GMD
5VS 26
CMP1-Y 11 11 CMP1-Y
5VSL 27
GND 12 12 GND
3.3VSL 28
CMP2-Pr CMP2-Pr
13 13 TV-RESET
GND 14 14 GND 29
30
CMP2-Pb 15 15 CMP2-Pb TV-Txd
GND 16 16 GND TV-Rxd 31
CMP2-Y CMP2-Y TV-CTS 32
17 17
GND GND TV-RTS 33
18 18
CMP3-Pr DM-RESET 34
19 19 CMP3-Pr
GND PWR-GOOD 35
20 20 GND
CARD-DETECT 36
CMP3-Pb 21 21 CMP3-Pb
ASIC-CLK 37
GND 22 22 GND
ASIC-MTOD 38
CMP3-Y 23 23 CMP3-Y
ASIC-DTOM 39
GND 24 24 GND
ASIC-CS 40
HDMI-L 25 25 HDMI-L
FMT-PGOOD
GND 26 26 GND 41
ASIC-BANK 42
HDMI-R 27 27 HDMI-R
AC-OFF 43
GND 28 28 GND
STBY-SHORT 44
D STU-L STU-L
29 29 STBY
GND 30 30 GND 45
STU-R 31 31 STU-R PWR-ON 46
GND GND LAMP-PROTECT 47
32 32
MTU-L HDD-TEMP 48
33 33 MTU-L
GND HDDFANPWR 49
34 34 GND
MTU-R HDDFAMSTP 50
35 35 MTU-R
A15V 51
GND 36 36 GND
A15V 52
DM-L 37 37 DM-L
A-GND 53
GND 38 38 GND
A-GND 54
DM-R 39 TA TA 39 DM-R
-A15V 55
GND 40 40 GND
TVuP -A15V 56
S2 41 41 S2 VID-SW
L-SPKR(-)
IN1-Y 42 42 IN1-Y 57
L-SPKR(-) 58
GND 43 43 GND
R-SPKR(+) 59
IN1-C 44 44 IN1-C
R-SPKR(+)
GND GND 60
45 45
IN1-V 46 46 IN1-V MTU-L 61
S1 S1 GND 62
47 47
IN3-C STU-L 63
48 48 IN3-C
GND GND 64
49 49 GND
AVR-L 65
E IN3-Y 50 50 IN3-Y
GND 66
GND 51 51 GND
DM-L 67
IN3-V 52 52 IN3-V
GND 68
S3 53 53 S3
ENC-L
MON-VID 54 54 MON-VID 69
GND 70
GND 55 55 GND
MN-L 71
5V-T 56 56 5V-T
GND 72
GND GND
57 57 SUB-Y
9V-T 58 58 9V-T 73
GND
GND 59 59 GND 74
GND 60 60 GND SUB-Pb 75
5VS 5VS GND 76
61 61
MT-MONV SUB-Pr 77
62 62 MT-MONV
MT-MONA GND 78
63 63 MT-MONA
SUB-H 79
MT-AVR 64 64 MT-AVR
SUB-V 80
DVI-SW 65 65 DVI-SW
GND 81
AVR-R 66 66 AVR-R
MTU-V 82
GND 67 67 GND
GND 83
AVR-L 68 68 AVR-L
STU-V 84
GND 69 69 GND
GND
MN-L 70 70 MN-L 85
GND 86
GND 71 71 GND
F 87
MN-R 72 72 MN-R GND
GND
GND GND 88
73 73 GLINK-Txd
ENC-L 74 74 ENC-L 89
GLINK-Rxd
GND 90
75 75 GND PIC-Txd
91
ENC-R 76 76 ENC-R
PIC-Rxd 92
GND 77 77 GND
PIC-CTS 93
5VSCL 78 78 5VSCL
PIC-RTS 94
GND 79 79 GND
MAN-RST 95
5VSDA 80 80 5VSDA
PON-SHORT 96
RELAY 97
KSCO 98
KSC1 99
PWB-TERMINAL STAT-R 100
STAT-G
101
LED 102
LAMP-R
103
LAMP-G 104
RMC 105
IR-IN 106
RS232-EN 107
G
NC 108
NC 109
NC 110
A15V 111
PWB-MICRO A15V 112
A-GND 113
A-GND 114
115
-A15V
-A15V 116
L-SPKR(-) 117
L-SPKR(-) 118
R-SPKR(+) 119
R-SPKR(+) 120
L_OUT+
L_TWEETER
L_OUT-
H
L_OUT+
L_SP ES1
L_OUT-
R_OUT-
R_SP
R_OUT+
L_OUT+
PC
R_TWEETER PD
I L_OUT-
1 2 3 4 5 6 7 8
1 3
1 3 5 7 9 11 13 15 17 19 21 23
2 4 6 8 10 12 14 16 18 20 22 24 2
J
N
3
PS 2
12 10 8 6 4 2
K L
1
11 9 7 5 3 1
PA1
PWB
L
ENG-PWR
1
3
5
PA1
7
9
11
M
N
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5 6 7 8
1
2
3
4
READER
5
J8202
MTU-R
1 1 2 3 4 5
2 GND
3 STU-R
4 GND
5 AVR-R
6 GND
7 DM-R
8 GND
9 ENC-R
10 GND
11 MN-R
12 GND
MAIN-Y
13
14 GND
15 MAIN-Pb
16 GND
MAIN-Pr
17
18 GND
19 MAIN-H
20 MAIN-V
21 GND
22 DM-VID
23 12VS
24 12VS
25 5VS
26 5VS
27 5VSL
28 3.3VSL
TV-RESET
29
30 TV-Txd
TV-Rxd
31
32 TV-CTS
33 TV-RTS
34 DM-RESET
35 PWR-GOOD
36 CARD-DETECT
37 ASIC-CLK
38 ASIC-MTOD
39 ASIC-DTOM
40 ASIC-CS PWB-RISER
FMT-PGOOD
41
42 ASIC-BANK
43 AC-OFF
44 STBY-SHORT
STBY
45
46 PWR-ON
47 LAMP-PROTECT
48 HDD-TEMP
49 HDDFANPWR
50 HDDFANSTP RISER
51 A15V
52 A15V
53 A-GND
54 A-GND
55 -A15V
56 -A15V
L-SPKR(-)
57
58
L-SPKR(-)
59
R-SPKR(+)
RA RA 60 R-SPKR(+)
61 MTU-L
62 GND
63 STU-L
64 GND
65 AVR-L
66 GND
67 DM-L
68 GND
ENC-L
69
70 GND
71 MN-L
72
GND
73 SUB-Y
74 GND
75 SUB-Pb
76 GND
77 SUB-Pr
78 GND
79 SUB-H
80 SUB-V
81 GND
82 MTU-V
83 GND
84 STU-V
GND
85
86 GND
87
GND
88 GND
89 GLINK-Txd
90 GLINK-Rxd
91 PIC-Txd
92 PIC-Rxd
93 PIC-CTS
94 PIC-RTS
95 MAN-RST
96 PON-SHORT
97 RELAY
98 KSCO
99 KSC1
100 STAT-R
101 STAT-G
102 LED
RISER
103 LAMP-R
104 LAMP-G
105 RMC
106 IR-IN RISER
107 RS232-EN
108 NC RISER
109 NC
110 NC
111 A15V 2 4 6 8 10 12 14 16 18 20 22 24
112 A15V
113 1 3 5 7 9 11 13 15 17 19 21 23
A-GND
114 5 4 3 2 1 1 2 3 4 5 6 7 8
A-GND
115 -A15V PD
116 -A15V ES PC
117 L-SPKR(-)
118 L-SPKR(-)
119 R-SPKR(+)
120 R-SPKR(+)
PH
5 7 9
LAMP-RELAY 1
4 6 8 10 ENG-PWR-ON
2
18VF 3
NC 4
GND 5 PB
GND 6
NC 7
NC 8
NC 9
340V
1
NC 2
NC 3
PL
NC 4
JE
LAMP GND 5
CJ3
CJ1
BALLAST FAN
1 2 3 1 2 3 4 5
JF
PWB-POWER
LAMP BALLAST
CD
CD
1 2 3 4
BOSS
PWB-SW-LAMP
3.3V
GND
2
5V
4 GND
12V
6 GND
PON-SHORT
8 ENG-PWR-ON
GND
10 GND
18VSB
12 18VSB
12V 1
1 12V
GND 2
2 GND
5V 3
3 5V
GND 4
4 GND
3.3V 5
5 3.3V
GND 6
6 GND
2.5V
7 J3 J3 2.5V
GND 8 7
8 GND
2.5V 9
GND 9 2.5V
10 GND
2.5V 10
11
GND 11 2.5V
12 GND
2.5V 12
13 2.5V
GND 13
14
14 GND
9 10 11 12
FRONT
ASIC-BANK 1 1 ASIC-BANK
CARD
ASIC-CS 2 2 ASIC-CS
ASIC-MTOD 3 3 ASIC-MTOD
GND 4 4 GND
CARD-DETECT CARD-DETECT
5 5
PWR-GOOD 6 6 PWR-GOOD
PWR-ON 7 7 PWR-ON
GND 8 8 GND
TV-Rxd
TV-Rxd 9 9
TV-Txd
TV-Txd 10 10
PIC-Rxd 11 11 PIC-Rxd
PIC-Txd 12 12 PIC-Txd
GND 13 13 GND
MLINK-Txd 14 14 MLINK-Txd
GOS-Rxd 15 15 GOS-Rxd
GOS-Txd 16 16 GOS-Txd
GND 17 17 GND
5VSL 18 18 5VSL
GND 19 19 GND
GND 20 20 GND
GND GND
21 21
GND 22 22 GND
23 23 GND
GND
GND
GND 24 24
3.3VS 25 25 3.3VS
RST-TVGOS 26 26 RST-TVGOS
GND 27 27 GND
MAIN-V 28 28 MAIN-V
MAIN-H 29 29 MAIN-H
GND 30 30 GND
MAIN-Pr 31 31 MAIN-Pr
MAIN-Pb 32 32 MAIN-Pb
MAIN-Y 33 33 MAIN-Y
GND 34 34 GND
MTU-V 35 35 MTU-V
GND 36 36 GND
GND
GND 37 37
38 38 ENC-L
ENC-L
ENC-R
ENC-R 39 39
GND 40 40 GND
AVR-L 41 41 AVR-L
AVR-R 42 42 AVR-R
GND 43 43 GND
MTU-L 44 44 MTU-L
MTU-R 45 45 MTU-R
GND 46 46 GND
USBPA 47 47 USBPA
USBNA 48 48 USBNA
RISER GND GND DMDCDC
49 49
USBPB 50 50 USBPB
51 51 USBNB
USBNB
52 52 GND
GND
3.3V-ENG-SCL
3.3V-ENG-SCL 53 53
3.3V-ENG-SDA 54 54 3.3V-ENG-SDA
GND 55 55 GND
18VS 56 56 18VS
18VS 57 57 18VS
18VS 58 58 18VS
18VS 59 59 18VS
18VS 60 DA DA 60 18VS
FMT-PGOOD 61 61 FMT-PGOOD
PON-SHORT 62 62 PON-SHORT
GND 63 63 GND
DM-RESET 64 64 DM-RESET
TV-RESET TV-RESET
65 65
66 66 MAN-RST
MAN-RST
STBY
STBY 67 67
GND 68 68 GND
TV-RTS 69 69 TV-RTS
TV-CTS 70 70 TV-CTS
PIC-RTS 71 71 PIC-RTS
PIC-CTS 72 72 PIC-CTS
GND 73 73 GND
MLINK-Rxd 74 74 MLINK-Rxd
GOS-RTS 75 75 GOS-RTS
GOS-CTS 76 76 GOS-CTS
12VS 12VS
77 77
GND 78 78 GND
5VS 79 79 5VS
80 80 5VS
5VS
5VS
5VS 81 81
5VS
5VS 82 82
5VS 83 83 5VS
5V 84 84 5V
HDD-RST 85 85 HDD-RST
GND 86 86 GND
DM-VID 87 87 DM-VID
GND 88 88 GND
SUB-V 89 89 SUB-V
SUB-H 90 90 SUB-H
GND 91 91 GND
SUB-Pr 92 92 SUB-Pr
SUB-Pb SUB-Pb
93 93
94 94 SUB-Y
SUB-Y
95 95
GND GND
STU-V 96 96 STU-V
GND 97 97 GND
MN-L 98 98 MN-L
MN-R 99 99 MN-R
GND 100 100 GND
DM-L 101 101 DM-L
DM-R 102 102 DM-R
GND 103 103 GND
STU-L 104 104 STU-L
STU-R 105 STU-R
105
GND 106 106 GND
USB5V 107 107 USB5V
USB5V 108 USB5V
108
GND
GND 109 109
GND
GND 110 110
AC-OFF 111 111 AC-OFF
NC 112 112 NC
PC-RXD 113 113 PC-RXD
PC-TXD 114 114 PC-TXD
BUSREQ 115 115 BUSREQ
GND 116 116 GND
GND 117 117 GND
RISER
GND 118 118 GND
GND 119 119 GND
GND 120 120 GND
2 4 6 8 10 12 14
1
3 5 7 9 11 13
1 2 3 4
KA
1394
KA
1 3 5 7 9 11 13
2 4 6 8 10 12 14
LAMP-RELAY
ENG-PWR-ON
18VF
NC
GND
GND
NC
NC
LAMPLITZ
GND
5VS
LAMPEN
DIM
FAN-VCC-BALAST
GND
FSTP-BALAST
2 4 6 8 10 12 14 16 18 20 22 24
1 3 5 7 9 11 13 15 17 19 21 23
KB
JC
JA
LT
DT
DMD
TEMP
ENGINE
MD(LCD/DMD)_FAN
LAMP
TEMP
LAMP-FAN
LAMP
LENS
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
JPS1
TMDS
13 14 15 16
17
PWB-DEMOD1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
MA MB
MA MB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
ATSC/NTSC TUNER ATSC/NTSC TUNER
PWB-DEMOD2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9
MC MD
MC MD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9
ATSC/NTSC TUNER
ATSC/NTSC TUNER
DMDPM7
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75
FA
FA
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
DVI
MICRO
DVI
2 4 6 8 10 12 14 16
PWB-FMT
1 3 5 7 9 11 13 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
FB J8F01
FB
1 3 5 7 9 11 13 15
2 4 6 8 10 12 14 16
PWB-INTERFACE
GND
RMC
5VSL
IR-IN
LED
MANRST
KSC1
KSC0
GND
3.3VSL
STATUS-G
STATUS-R
LAMP-G
LAMP-R
GND
8 7 6 5 4 3 2 1
CONTENTS
PG 1.....BLOCK PG 15....DM4 [DMMEMA/DC]
PG 2.....POWER PG 16....DM5 [DMMEMB/USB]
PG 3.....INTERFACE PG 17....DM6 [DMROM/AV]
PG 4.....FMT1 [SUITE / DVI]
PG 18....DM7 [1394/DV I/F]
PG 5.....FMT2 [MICRO]
PG 19....DM8 [DMPOD]
PG 6.....FMT3 [ADC / XGA] PG 20....DM9 [MPEG ENCODER]
PG 7.....FMT4 [PRELUDE]
PG 21....DM10 [DMADC]
PG 8.....MICRO1 [VID-SW] PG 22....DM11 [DMDPM7]
PG 9.....MICRO2 [AUD-PIC] PG 23....TERMINAL
PG 10....MICRO3 [TV uP]
PG 24....DEMOD1
PG 11....MICRO4 [HDMI] PG 25....DEMOD2
PG 12....DM1 [ATSC/NTSC TUNER]
PG 26....RISER1
PG 13....DM2 [DMDDCDC]
PG 27....RISER2
PG 14....DM3 [DMCORE] PG 28....E2P/FRONT/CONTROL/PREAMP
18
* NOTES
1. DC voltages were measured from points indicated to t
ground with a high-Z voltmeter
2. Wave form were taken with standard color bar signal.
3. TP13.etc. show test points.
PWB-DM 4. CAPACITOR
Value Not indicated
Dielectric
strength Not indicated : 50V
Not indicated = +/- 10%
Tolerance
G=+/-2% P=+100%
J=+/-5%
K=+/-10% Z=+80%
3
2 M=+/-20%
1
Not indicated
ANT
RELAY
RB
1 2 3
ATSC/NTSC TUNER
Parts
except
Type
I for
chips
E2P TAN
1 2 3 4
EP Not indicated
II chips
EP
1 2 3 4
DMCORE Not indicated
Characteristic
(Only ceramic
capacitor) CH, SL, etc.
5. RESITOR
Not indicated
Value
Parts except
for chips
Wattage
Chips
76 78 80
77 79
Not indicated
Toler
ance D = +/-0.5%
F = +/-1%
HDMI-R 1
77 79 GND 2
Parts
HDMI-G 3
Type
76 78 80 GND 4
except
HDMI-B I
5 FD
GND 6
for
HDMI-H 7
GND 8
chips
HDMI-V
9
GND
10
D-SUB 15PIN
D-SUB 15PIN II chips
6. This is a basic schematic diagram. Some sets may be
to modification according to engineering improvement
(V31 ONLY)
SHADED COMPONENTS HAVE SPECIAL CHARACTER
IMPORTANT TO SAFETY. BEFORE REPLACING AN
23 24 25 26 27 28 29
THESE COMPONENTS, READ CAREFULLY THE PRO
SAFETY NOTICE IN THE SERVICE MANUAL. DON
DEGRADE THE SAFETY OF THE RECEIVERS THRO
IMPROPER SERVICING.
V29/V30
SERVICE TECHNICIAN WARNING;
Front 1394
X-RADIATION PRECAUTION
THIS PRODUCT INCLUES CRITICAL ELECTRICAL AND MECH
PARTS ESSENTIAL FOR X-RADIATION PROTECTION
V30+/V31
Front 1394
TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION P
MEASURE FOR PERSONNEL DURING SERVICING.
SEE SERVICE INSTRUCTION FOR SPECIFIED REPLACEMENT
1394 1394 PARTS AND SERVICE ADJUSTMENTS.
4 3 2 1 4 3 2 1
8 FAN-STOP
7 GND
6 FAN-VCC
5 HDD-RST AVHDD
4 GND
3 5V
2 GND
1 12V
V30+/V31 ONLY
4
3
2
1
AN
1 2 3 4
11
10
PREAMP
9
8
7
6
5 LL
4
LE
3
2 1 2 3 4 5 6 7 8 9 10 11
BOSS
1
CONTROL
WD-52627 V29
WD-62627 V29
WD-52628 V30
WD-62628 V30
WD-73727 V30
WD-62827 V30+
WD-73827 V30+
WD-62927 V31
WD-73927 V31
ENGINE-POWER PAGE 1
PF, for numbers more tha
uF, for numbers less tha
No tolerance is i
for electrolytic
and +/- 20%
Q=+30% C=+/-0.25P
-0% -10% D=+/-0.5PF
T=+200% F=+/-1PF
-20% -0% D=+/-2PF
: Ceramic capacitor
MF
: Polyester capacitor
PP : Polypropylene film cap
ALM : Aluminus electrolytic
TF
: Twin film capacitor
SC : Semiconductor Ceramic
MP : Metalized paper
MPP : Metalized plastic film
MMF : Metalized polyester ca
: Polyester polypropylen
MF,PP
capacitor
PS : Styrol capacitor
or TANT : Tantalum capacitor
+
: Electrolytic capacitor
NP : Non polarized electrol
capacitor
: Ceramic capacitor chi
+
: Electrolytic capacito
NP : Non polarized electro
capacitor chip
: F or B (high dielrctric
: Temperature compensaing
= Ohm
K = 1,000 Ohm
M = 1,000,000 Ohm
Not indicated = 1/4W or 1
Not indicated = 1/10W
= +/-5%
J = +/-5%
K = +/-10%
Not indicated : Carbon res
S : Fixed composition resis
MB : Metal oxide film resist
CE : Cemented resistor
W : Wire wound resistor
M : Metal film resistor
MP
: Metal plate cement resi
ML : Metal liner resistor
Not indicated : chip resist