Mitsubishi Electric WD-52627 Service Manual page 82

1 2 3 4
DM FAN CE1
A
CE1
1 2 3 4 5 6 7 8 9 10 11
JD
FRONT
FD
JD
1 2 3 TVuP 1 3 5 7 9 MTU-R 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
1 2 3 4 5 6 7 8 9 10 11 MN-R 11
GND 12
MAIN-Y 13
GND 14
MAIN-Pb 15
IN2-V IN2-V GND 16
1 1
GND 2 2 GND MAIN-Pr 17
GND
IN2-C 3 3 IN2-C 18
MAIN-H 19
GND 4 4 GND
MAIN-V 20
IN2-Y 5 5 IN2-Y
GND
GND 6 6 GND 21
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
GND 5VSL 27
12 12 GND
CMP2-Pr 3.3VSL 28
13 13 CMP2-Pr
GND GND TV-RESET 29
14 14
CMP2-Pb 15 15 CMP2-Pb TV-Txd 30
GND 16 16 GND TV-Rxd 31
CMP2-Y CMP2-Y TV-CTS 32
17 17
GND 18 18 GND TV-RTS 33
DM-RESET 34
CMP3-Pr 19 19 CMP3-Pr
PWR-GOOD 35
GND 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
GND FMT-PGOOD 41
26 26 GND
HDMI-R ASIC-BANK 42
27 27 HDMI-R
GND GND AC-OFF 43
28 28
STU-L STU-L STBY-SHORT 44
D 29 29
GND 30 30 GND STBY 45
PWR-ON
STU-R 31 31 STU-R 46
LAMP-PROTECT 47
GND 32 32 GND
HDD-TEMP 48
MTU-L MTU-L
33 33 HDDFANPWR
GND 34 34 GND 49
HDDFAMSTP 50
MTU-R 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
GND -A15V 55
40 40 GND
S2 VID-SW TVuP -A15V 56
41 41 S2
IN1-Y IN1-Y L-SPKR(-) 57
42 42
GND 43 43 GND L-SPKR(-) 58
IN1-C 44 44 IN1-C R-SPKR(+) 59
R-SPKR(+)
GND GND 60 RA
45 45 MTU-L
IN1-V 46 46 IN1-V 61
GND 62
S1 47 47 S1
STU-L 63
IN3-C 48 48 IN3-C
GND 64
GND 49 49 GND
AVR-L 65
IN3-Y 50 50 IN3-Y
E GND 66
GND 51 51 GND
DM-L 67
IN3-V 52 52 IN3-V
GND 68
S3 53 53 S3
MON-VID ENC-L 69
54 54 MON-VID
GND GND 70
55 55 GND
5V-T 5V-T MN-L 71
56 56
GND GND GND 72
57 57
9V-T 58 58 9V-T SUB-Y 73
GND
GND 59 59 GND 74
SUB-Pb 75
GND 60 60 GND
GND 76
5VS 5VS
61 61 SUB-Pr
MT-MONV 62 62 MT-MONV 77
GND 78
MT-MONA 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
AVR-L GND 83
68 68 AVR-L
GND STU-V 84
69 69 GND
MN-L MN-L GND 85
70 70
GND 71 71 GND GND 86
F
MN-R 72 72 MN-R GND 87
GND
GND GND 88
73 73 GLINK-Txd
ENC-L 74 74 ENC-L 89
GLINK-Rxd 90
GND 75 75 GND
PIC-Txd 91
ENC-R 76 76 ENC-R
PIC-Rxd 92
GND 77 77 GND
PIC-CTS
5VSCL 78 78 5VSCL 93
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
-A15V 115
-A15V 116
117
L-SPKR(-)
118
L-SPKR(-)
R-SPKR(+) 119
R-SPKR(+) 120
L_OUT+
L_TWEETER
L_OUT-
H
L_OUT+
ES1
L_SP
L_OUT-
R_OUT-
R_SP
R_OUT+
L_OUT+
PC
R_TWEETER PD PH
I L_OUT- 1 2 3 4 5 6 7 8
1 3 5
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 4
J
N
3
PS 2
12 10 8 6 4 2
K 1 L
11 9 7 5 3 1
PA1
PWB
L
ENG-PWR
1
2
3 5V
4
5 12V
6 GND
PA1
PON-SHORT
7
8 ENG-PWR-ON
9
10
11 18VSB
12 18VSB
M
N
5 6 7 8
FRONT
1
2
CARD
3
4
READER
5
J8202
1 MTU-R 1 2 3 4 5
2 GND
3 STU-R
GND
4
AVR-R
5
6 GND
7 DM-R
8 GND
9 ENC-R
10 GND
11 MN-R
12 GND
13 MAIN-Y
14 GND
15 MAIN-Pb
16 GND
17 MAIN-Pr
GND
18
19 MAIN-H
20 MAIN-V
GND
21
22 DM-VID
23 12VS
24 12VS
25 5VS
26 5VS
27 5VSL
28 3.3VSL
29 TV-RESET
30 TV-Txd
31 TV-Rxd
TV-CTS
32
TV-RTS
33
34 DM-RESET
35 PWR-GOOD
36 CARD-DETECT
37 ASIC-CLK
38 ASIC-MTOD
39 ASIC-DTOM
40 ASIC-CS PWB-RISER
41 FMT-PGOOD
42 ASIC-BANK
43 AC-OFF
44 STBY-SHORT
45 STBY
PWR-ON
46
47 LAMP-PROTECT
48 HDD-TEMP
HDDFANPWR
49
50 HDDFANSTP RISER
51 A15V
52 A15V
53 A-GND
54 A-GND
55 -A15V
56 -A15V
57 L-SPKR(-)
58 L-SPKR(-)
59 R-SPKR(+)
RA 60 R-SPKR(+)
61 MTU-L
62 GND
63 STU-L
64 GND
65 AVR-L
66 GND
67 DM-L
68 GND
69 ENC-L
70 GND
71 MN-L
72 GND
73 SUB-Y
74 GND
75
SUB-Pb
76 GND
SUB-Pr
77
78 GND
79 SUB-H
80 SUB-V
81 GND
82 MTU-V
83 GND
84 STU-V
85 GND
86 GND
87 GND
88 GND
GLINK-Txd
89
90 GLINK-Rxd
91 PIC-Txd
92 PIC-Rxd
PIC-CTS
93
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
RMC
105
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
1 3 5 7 9 11 13 15 17 19 21 23
113 A-GND
1 2 3 4 5 6 7 8
114 A-GND 5 4 3 2 1
115 -A15V
PD
116 -A15V ES PC
117 L-SPKR(-)
118 L-SPKR(-)
119
R-SPKR(+)
120
R-SPKR(+)
7 9
LAMP-RELAY 1
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
CJ1 CJ3
1 2 3 1 2 3 4 5 BALLAST FAN
JF
PWB-POWER
LAMP BALLAST
CD
CD
1 2 3 4
BOSS
PWB-SW-LAMP
3.3V
GND
ENGINE
GND
GND
GND
12V 1
1 12V
GND 2
2 GND
5V 3
3 5V
GND 4
3.3V 4 GND
5 3.3V
GND 5
6 6 GND
2.5V
7 J3 J3 2.5V
GND 8 7
8 GND
2.5V
9 2.5V
GND 9
10 10 GND
2.5V 11
11 2.5V
GND 12
12 GND
2.5V 13
13 2.5V
GND 14
14 GND
9 10 11 12 13
ASIC-BANK ASIC-BANK
1 1
ASIC-CS 2 2 ASIC-CS
ASIC-MTOD 3 3 ASIC-MTOD
GND 4 4 GND
CARD-DETECT 5 5 CARD-DETECT
PWR-GOOD 6 6 PWR-GOOD
PWR-ON 7 7 PWR-ON
GND 8 8 GND
TV-Rxd 9 9 TV-Rxd
TV-Txd 10 10 TV-Txd
PIC-Rxd 11 11 PIC-Rxd
12 12 PIC-Txd
PIC-Txd
GND
GND 13 13
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 21 21 GND
GND 22 22 GND
GND 23 23 GND
GND 24 24 GND
3.3VS 25 25 3.3VS
26 26
RST-TVGOS RST-TVGOS
27 27
GND GND
28 28 MAIN-V
MAIN-V
MAIN-H MAIN-H
29 29
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 37 37 GND
ENC-L 38 38 ENC-L
ENC-R 39 39 ENC-R
40 GND
GND 40
AVR-L
AVR-L 41 41
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 49 49 GND DMDCDC
USBPB 50 50 USBPB
USBNB 51 51 USBNB
GND 52 52 GND
3.3V-ENG-SCL 53 53 3.3V-ENG-SCL
3.3V-ENG-SDA
3.3V-ENG-SDA 54 54
55 55 GND
GND
18VS 56 56 18VS
18VS 18VS
57 57
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 65 65 TV-RESET
MAN-RST 66 66 MAN-RST
STBY 67 67 STBY
GND
GND 68 68
TV-RTS
TV-RTS 69 69
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 77 77 12VS
GND 78 78 GND
5VS 79 79 5VS
5VS 80 80 5VS
5VS 81 81 5VS
5VS
5VS 82 82
83 83 5VS
5VS
84 84 5V
5V
HDD-RST
HDD-RST 85 85
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 93 93 SUB-Pb
SUB-Y 94 94 SUB-Y
GND 95 95 GND
STU-V 96 96 STU-V
GND 97 97 GND
98 98 MN-L
MN-L
99 99 MN-R
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 105 105 STU-R
GND 106 106 GND
USB5V 107 107 USB5V
USB5V 108 108 USB5V
GND 109 109 GND
GND
GND 110 110
111 111 AC-OFF
AC-OFF
NC 112 112 NC
113 113 PC-RXD
PC-RXD
114 114 PC-TXD
PC-TXD
BUSREQ 115 115 BUSREQ
GND 116 116 GND
GND 117 117 GND
RISER
GND 118 118 GND 2 4
GND 119 119 GND
1 3
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
1 3 5 7 9 11 13
2 4 6 8 10 12 14 2 4
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
JA JC
LT
DT
DMD
TEMP
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 8 7 6 5 4
JPS1
TMDS
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
1
PWB-DEMOD2
ATSC/NTSC TUNER
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
MD
MC
1 2 3 4 5 6 7 8 9
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
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 76 78 80
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 77 79
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 77 79
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 76 78 80
DVI
MICRO
DVI
6 8 10 12 14 16
PWB-FMT
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 23 24 25 26 27 28 29
FB J8F01
FB
5 7 9 11 13 15
6 8 10 12 14 16
PWB-INTERFACE
GND 4
RMC
3
5VSL
2
IR-IN
1
LED 11
MANRST 10
KSC1 9
KSC0 8
GND 7
3.3VSL 6
STATUS-G 5
STATUS-R 4
LAMP-G 3
LAMP-R 2
GND 1
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
ENGINE-POWER
18
* NOTES
1. DC voltages were measured from points indicated to the circuit
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
PF, for numbers more than 1
Value Not indicated
uF, for numbers less than 1
Dielectric
strength Not indicated : 50V
No tolerance is indicated
Not indicated = +/- 10% for electrolytic capacitor
and +/- 20%
Tolerance
G=+/-2% P=+100% Q=+30%
J=+/-5% -0% -10%
K=+/-10% Z=+80% T=+200%
3
2 M=+/-20% -20% -0%
1
ANT Not indicated : Ceramic capacitor
MF : Polyester capacitor
RELAY
RB
PP : Polypropylene film capacitor
2 3
ALM : Aluminus electrolytic capacitor
TF : Twin film capacitor
Parts
except SC : Semiconductor Ceramic capacitor
Type
I for MP : Metalized paper
chips
MPP : Metalized plastic film capacitor
MMF : Metalized polyester capacitor
: Polyester polypropylene film
MF,PP
capacitor
PS : Styrol capacitor
E2P TAN or TANT : Tantalum capacitor
+
: Electrolytic capacitor
1 2 3 4 NP : Non polarized electrolytic
capacitor
EP Not indicated : Ceramic capacitor chip
II chips
+ : Electrolytic capacitor
EP
NP : Non polarized electrolytic
capacitor chip
1 2 3 4
Not indicated : F or B (high dielrctric percentage)
DMCORE Characteristic
(Only ceramic
capacitor) CH, SL, etc. : Temperature compensaing types
5. RESITOR
Not indicated = Ohm
K = 1,000 Ohm
Value
M = 1,000,000 Ohm
Parts except Not indicated
for chips
Wattage
Chips Not indicated
Not indicated = +/-5%
Toler
D = +/-0.5% J = +/-5%
ance
F = +/-1% K = +/-10%
Not indicated
HDMI-R
1
GND 2 S : Fixed composition resistor
Parts
HDMI-G 3
Type MB : Metal oxide film resistor(Type B)
GND 4
except
HDMI-B I CE : Cemented resistor
5 FD
GND 6
for W
HDMI-H 7 : Wire wound resistor
GND 8 chips
M : Metal film resistor
HDMI-V 9
GND 10 MP : Metal plate cement resistor
ML : Metal liner resistor
D-SUB 15PIN
D-SUB 15PIN II chips Not indicated
6. This is a basic schematic diagram. Some sets may be subject
to modification according to engineering improvement
(V31 ONLY)
SHADED COMPONENTS HAVE SPECIAL CHARACTERISTICS
IMPORTANT TO SAFETY. BEFORE REPLACING ANY OF
THESE COMPONENTS, READ CAREFULLY THE PRODUCT
SAFETY NOTICE IN THE SERVICE MANUAL. DON'T
DEGRADE THE SAFETY OF THE RECEIVERS THROUGH
IMPROPER SERVICING.
V29/V30
SERVICE TECHNICIAN WARNING;
Front 1394
X-RADIATION PRECAUTION
THIS PRODUCT INCLUES CRITICAL ELECTRICAL AND MECHANICAL
PARTS ESSENTIAL FOR X-RADIATION PROTECTION
V30+/V31
Front 1394 TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION PROTECTIVE
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
AN
1 2 3 4
PREAMP
LL
LE
1 2 3 4 5 6 7 8 9 10 11
BOSS
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
PAGE 1
C=+/-0.25PF
D=+/-0.5PF
F=+/-1PF
D=+/-2PF
= 1/4W or 1/6W
= 1/10W
: Carbon resistor
: chip resistor