Mitsubishi WD-52527 Service Manual page 61

1 2 3 4
CE1
DM FAN
CE1
A
1 2 3 4 5 6 7 8 9 10 11
JD
FRONT
JD
MTU-R
1 2 3
GND
STU-R
TVuP
GND
B AVR-R
GND
DM-R
GND
CE
ENC-R
GND
1 2 3 4 5 6 7 8 9 10 11 MN-R
GND
MAIN-Y
GND
MAIN-Pb
GND
IN2-V 1 1 IN2-V
MAIN-Pr
GND 2 2 GND
GND
IN2-C 3 3 IN2-C
MAIN-H
GND 4 4 GND
MAIN-V
IN2-Y 5 5 IN2-Y
GND
GND 6 6 GND
DM-VID
CMP1-Pr 7 7 CMP1-Pr
12VS
GND 8 8 GND
12VS
CMP1-Pb CMP1-Pb
9 9 5VS
GMD 10 10 GMD
C 5VS
CMP1-Y 11 11 CMP1-Y
5VSL
GND GND
12 12
CMP2-Pr CMP2-Pr 3.3VSL
13 13
GND GND TV-RESET
14 14
CMP2-Pb TV-Txd
15 15 CMP2-Pb
GND TV-Rxd
16 16 GND
CMP2-Y TV-CTS
17 17 CMP2-Y
TV-RTS
GND 18 18 GND
DM-RESET
CMP3-Pr 19 19 CMP3-Pr
PWR-GOOD
GND 20 20 GND
CARD-DETECT
CMP3-Pb 21 21 CMP3-Pb
ASIC-CLK
GND 22 22 GND
ASIC-MTOD
CMP3-Y 23 23 CMP3-Y
ASIC-DTOM
GND 24 24 GND
ASIC-CS
HDMI-L HDMI-L
25 25 FMT-PGOOD
GND 26 26 GND
ASIC-BANK
HDMI-R 27 27 HDMI-R
AC-OFF
GND 28 28 GND
STBY-SHORT
STU-L STU-L
29 29
GND GND STBY
30 30
D STU-R STU-R PWR-ON
31 31
GND LAMP-PROTECT
32 32 GND
MTU-L HDD-TEMP
33 33 MTU-L
GND HDDFANPWR
34 34 GND
HDDFAMSTP
MTU-R 35 35 MTU-R
A15V
GND 36 36 GND
A15V
DM-L 37 37 DM-L
A-GND
GND 38 38 GND
A-GND
DM-R 39 TA TA 39 DM-R TVuP
VID-SW -A15V
GND 40 40 GND
-A15V
S2 S2
41 41 L-SPKR(-)
IN1-Y 42 42 IN1-Y
L-SPKR(-)
GND 43 43 GND
R-SPKR(+)
IN1-C 44 44 IN1-C
R-SPKR(+)
GND GND
45 45 MTU-L
IN1-V 46 46 IN1-V
S1 S1 GND
47 47
IN3-C IN3-C STU-L
48 48
GND GND GND
49 49
IN3-Y AVR-L
50 50 IN3-Y
GND GND
51 51 GND
DM-L
E IN3-V 52 52 IN3-V
GND
S3 53 53 S3
ENC-L
MON-VID 54 54 MON-VID
GND
GND 55 55 GND
MN-L
5V-T 56 56 5V-T
GND
GND 57 57 GND
SUB-Y
9V-T 58 58 9V-T
GND
GND 59 59 GND
SUB-Pb
GND 60 60 GND
GND
5VS 5VS
61 61 SUB-Pr
MT-MONV 62 62 MT-MONV
GND
MT-MONA 63 63 MT-MONA
MT-AVR MT-AVR SUB-H
64 64
DVI-SW DVI-SW SUB-V
65 65
AVR-R AVR-R GND
66 66
GND MTU-V
67 67 GND
AVR-L GND
68 68 AVR-L
GND STU-V
69 69 GND
GND
MN-L 70 70 MN-L
GND
GND 71 71 GND
GND
MN-R 72 72 MN-R
GND
F GND 73 73 GND
GLINK-Txd
ENC-L 74 74 ENC-L
GLINK-Rxd
GND 75 75 GND
PIC-Txd
ENC-R 76 76 ENC-R
PIC-Rxd
GND GND
77 77 PIC-CTS
5VSCL 78 78 5VSCL
PIC-RTS
GND 79 79 GND
MAN-RST
5VSDA 80 80 5VSDA
PON-SHORT
RELAY
KSCO
KSC1
PWB-TERMINAL
STAT-R
STAT-G
LED
LAMP-R
LAMP-G
RMC
IR-IN
RS232-EN
NC
NC
G
NC
A15V
PWB-MICRO
A15V
A-GND
A-GND
-A15V
-A15V
L-SPKR(-)
L-SPKR(-)
R-SPKR(+)
R-SPKR(+)
L_OUT+
L_SP
L_OUT-
H
R_OUT-
ES1
R_OUT+
R_SP
PC
PD
1 2 3 4 5 6 7 8
1 3 5 7 9 11 13 15 17 19 21 23
I
2 4 6 8 10 12 14 16 18 20 22 24
J
3 N
2
1 L
K 10 9 8 7 6 5 4 3 2 1
PA2
L
M
N
5 6 7 8
1 1 MTU-R
2 2 GND
3 3 STU-R
4 4 GND
AVR-R
5 5
6 6 GND
7 7 DM-R
GND
8 8
ENC-R
9 9
10 10 GND
11 11 MN-R
12 12 GND
13 13 MAIN-Y
14 14 GND
15 15 MAIN-Pb
16 16 GND
17 17 MAIN-Pr
18 18 GND
19 19 MAIN-H
20 20 MAIN-V
GND
21 21
22 22 DM-VID
23 23 12VS
24 24 12VS
5VS
25 25
5VS
26 26
5VSL
27 27
28 28 3.3VSL
29 29 TV-RESET
30 30 TV-Txd
31 31 TV-Rxd
32 32 TV-CTS
33 33 TV-RTS
34 34 DM-RESET
35 35 PWR-GOOD
36 36 CARD-DETECT
ASIC-CLK
37 37
38 38 ASIC-MTOD
39 39 ASIC-DTOM
40 40 ASIC-CS
FMT-PGOOD
41 41
ASIC-BANK
42 42
AC-OFF
43 43
STBY-SHORT
44 44
45 45 STBY
46 46 PWR-ON
47 47 LAMP-PROTECT
48 48 HDD-TEMP
RISER
49 49 HDDFANPWR
50 50 HDDFANSTP
51 51 A15V
52 52 A15V
A-GND
53 53
54 54 A-GND
55 55 -A15V
56 56 -A15V
L-SPKR(-)
57 57
58 58 L-SPKR(-)
59 59 R-SPKR(+)
RA RA
60 60 R-SPKR(+)
61 61 MTU-L
62 62 GND
63 63 STU-L
64 64 GND
65 65 AVR-L
66 66 GND
67 67 DM-L
68 68 GND
69 69 ENC-L
70 70 GND
71 71 MN-L
72 72 GND
SUB-Y
73 73
74 74 GND
75 75 SUB-Pb
76 76
GND
77 77 SUB-Pr
78 78 GND
79 79 SUB-H
80 80 SUB-V
81 81 GND
82 82 MTU-V
83 83 GND
84 84 STU-V
85 85 GND
86 86 GND
87 87 GND
88 88 GND
GLINK-Txd
89 89
90 90 GLINK-Rxd
91 91 PIC-Txd
92 92 PIC-Rxd
PIC-CTS
93 93
PIC-RTS
94 94
95 95 MAN-RST
96 96 PON-SHORT
97 97 RELAY
98 98 KSCO
99 99 KSC1
100 100 STAT-R
RISER
101 101 STAT-G RISER
102 102 LED
103 103 LAMP-R
RISER
104 104 LAMP-G
105 RMC
105
106 106 IR-IN
107 107 RS232-EN
108
108 NC
109 109 NC
110 110 NC
111 111 A15V 2 4 6 8 10 12 14 16 18 20 22 24
112 112 A15V
1 3 5 7 9 11 13 15 17 19 21 23
113 113 A-GND
5 4 3 2 1 1 2 3 4 5 6 7 8
114 114 A-GND
115 115 -A15V
PD
116 116 -A15V ES PC
117 117 L-SPKR(-)
118 118 L-SPKR(-)
119 119 R-SPKR(+)
120 120 R-SPKR(+)
LAMP-RELAY 1
ENG-PWR-ON
2
18VF 3
(NC for V29~V31) 18V 4
PB
GND 5
GND 6
(NC for V29~V31) 3.3V 7
18V-ON (NC for V29~V31) 8
NC
9
340VDC 1
NC
2
NC 3 PL
NC
4
JE
GND 5
CN2 CJ3
1 2 3 1 2 3 4 5 BALLAST FAN
JF
PWB-POWER
LAMP BALLAST
CF
CD
CF
CD
1 2 3
BOSS
1 2 3 4
PWB BOSS
SW-FILTER
PWB-SW-LAMP 3.3V
1
2 3.3V
3.3V
3
4 3.3V
5 GND
GND
6
7 18V
18V
8
9 GND
GND
10
9 10 11 12
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 TV-Rxd
9 9
TV-Txd 10 10 TV-Txd
PIC-Rxd 11 11 PIC-Rxd
PIC-Txd 12 12 PIC-Txd
GND GND
13 13
MLINK-Txd
MLINK-Txd 14 14
GOS-Rxd
GOS-Rxd 15 15
GOS-Txd
GOS-Txd 16 16
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 3.3VS
25 25
RST-TVGOS 26 26 RST-TVGOS
GND 27 27 GND
28 28 MAIN-V
MAIN-V
MAIN-H MAIN-H
29 29
30 30 GND
GND
MAIN-Pr
MAIN-Pr 31 31
MAIN-Pb
MAIN-Pb 32 32
MAIN-Y
MAIN-Y 33 33
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
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 MTU-R
45 45
GND 46 46 GND
USBPA 47 47 USBPA
RISER
USBNA
USBNA 48 48
GND
GND 49 49
USBPB
USBPB 50 50
USBNB 51 51 USBNB
GND 52 52 GND
3.3V-ENG-SCL 53 53 3.3V-ENG-SCL
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
PWB-RISER 18VS 59 59 18VS
18VS 60 DA DA 60 18VS
FMT-PGOOD FMT-PGOOD
61 61
PON-SHORT 62 62 PON-SHORT
GND 63 63 GND
DM-RESET 64 64 DM-RESET
TV-RESET
TV-RESET 65 65
MAN-RST
MAN-RST 66 66
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
5VS 80 80 5VS
5VS 5VS
81 81
82 82 5VS
5VS
5VS
5VS 83 83
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 93 93 SUB-Pb
SUB-Y 94 94 SUB-Y
GND 95 95 GND
STU-V 96 96 STU-V
GND
GND 97 97
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 110 110 GND
AC-OFF 111 111 AC-OFF
NC 112 112 NC
PC-RXD 113 113 PC-RXD
114 114 PC-TXD
PC-TXD
BUSREQ 115 BUSREQ
115
RISER GND
GND 116 116
GND
GND 117 117
GND
GND 118 118
GND
GND 119 119
GND 120 120 GND
2 4 6 8 10 12 14
1 3 5 7 9 11 13
KA
KA
1 3 5 7 9 11 13
2 4 6 8 10 12 14
8 LAMP-RELAY
7 ENG-PWR-ON
18VF
6
5 18V (NC for V29~V31)
GND
4
3 GND
3.3V (NC for V29~V31)
2
18V-ON (NC for V29~V31)
1
LAMPLITZ
8
7 GND
5VS
6
5 LAMPEN
DIM
4
FAN-VCC-BALAST
3
GND
2
1 FSTP-BALAST
2 4 6 8 10 12 14 16 18 20 22 24
1 2 3 4 5 6 7 8 9
1 3 5 7 9 11 13 15 17 19 21 23
14 13 12 11 10 9 8
KC
KB
KD
JC
JA JG
JB
LT
DT
CN3100
1 2 3 4 5 6 7 8
DMD
CN5
TEMP CN2
ENGINE
1 2 3 4 5 1 2 3
MD(LCD/DMD)_FAN
PBS-FAN
SHUTTER CNTRL
LAMP
TEMP
LAMP-FAN
LAMP
LENS
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
JPS1
13 14 15 16
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
DMDCDC
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
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
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
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
DVI
MICRO MICRO
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16 18 20
PWB-FMT
1 1
3 5 7 9 11 13 15 3 5 7 9 11 13 15 17 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
FB FC
FB
FC
1 3 5 7 9 11 13 15 1 3 5 7 9 11 13 15 17 19
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16 18 20 PWB-INTERFACE
7 6 5 4 3 2 1
CN1
1 2 3 4
4 5
12 11 10 9 8 7 6 5 4 3 2 1
17 18
* NOTES
1. DC voltages were measured from points indicated to the circuit
ground with a high-Z voltmeter
PWB-DM
2. Wave form were taken with standard color bar signal.
3. TP13.etc. show test points.
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% C=+/-0.25PF
3
J=+/-5% -0% -10% D=+/-0.5PF
2
1 K=+/-10% Z=+80% T=+200% F=+/-1PF
ANT
M=+/-20% -20% -0% D=+/-2PF
RELAY
RB
Not indicated : Ceramic capacitor
1 2 3 MF
: Polyester capacitor
PP : Polypropylene film capacitor
ATSC/NTSC TUNER
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
E2P MF,PP
capacitor
PS : Styrol capacitor
TAN TANT : Tantalum capacitor
1 2 3 4 or
+
EP : Electrolytic capacitor
NP : Non polarized electrolytic
EP capacitor
Not indicated : Ceramic capacitor chip
1 2 3 4
II chips +
: Electrolytic capacitor
DMCORE NP : Non polarized electrolytic
capacitor chip
Not indicated : F or B (high dielrctric percentage)
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
66 68 70 72 74 76 78 80 Parts except Not indicated = 1/4W or 1/6W
for chips
65 67 69 71 73 75 77 79 Wattage
Chips Not indicated = 1/10W
Not indicated = +/-5%
Toler
ance D = +/-0.5% J = +/-5%
F = +/-1% K = +/-10%
65 67 69 71 73 75 77 79
Not indicated : Carbon resistor
66 68 70 72 74 76 78 80
S
: Fixed composition resistor
Parts
Type MB : Metal oxide film resistor(Type B)
except
CE
I : Cemented resistor
for
W : Wire wound resistor
chips M : Metal film resistor
MP : Metal plate cement resistor
ML : Metal liner resistor
II chips Not indicated : chip resistor
DVI
6. This is a basic schematic diagram. Some sets may be subject
to modification according to engineering improvement
SHADED COMPONENTS HAVE SPECIAL CHARACTERISTICS
23 24 25 26 27 28 29
IMPORTANT TO SAFETY. BEFORE REPLACING ANY OF
J8F01
THESE COMPONENTS, READ CAREFULLY THE PRODUCT
SAFETY NOTICE IN THE SERVICE MANUAL. DON'T
DEGRADE THE SAFETY OF THE RECEIVERS THROUGH
IMPROPER SERVICING.
SERVICE TECHNICIAN WARNING;
X-RADIATION PRECAUTION
THIS PRODUCT INCLUES CRITICAL ELECTRICAL AND MECHANICAL
PARTS ESSENTIAL FOR X-RADIATION PRORECTION
TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION PROTECTIVE
MEASURE FOR PERSONNEL DURONG SERVICING.
SEE SERVICE INSTRUCTION FOR SPECIFIED REPLACEMENT
PARTS AND SERVICE ADJUSTMENTS.
GND
4
RMC
3
5VSL
2
IR-IN
1
AN
1 2 3 4
LED
11
MANRST
10
PREAMP
KSC1
9
KSC0 8
GND 7
3.3VSL 6
STATUS-G LL
5
STATUS-R
4
LE
LAMP-G
3
LAMP-R 1 2 3 4 5 6 7 8 9 10 11
2 BOSS
GND 1
CONTROL
CONTENTS
WD-52527 V28
PG 1.....BLOCK
WD-62527 V28
PG 2.....POWER
PG 3.....INTERFACE
WD-52528 V28+
PG 4.....FMT [DVI]
WD-62528 V28+
PG 5.....FMT [MICRO]
PG 6.....MICRO1 [VID-SW]
PG 7.....MICRO2 [AUD-PIC]
PG 8.....MICRO3 [TV uP]
PG 9.....MICRO4 [HDMI]
PG 10....TERMINAL
PG 11....DEMOD
PG 12....RISER1
PG 13....RISER2
PAGE 1
PG 14....E2P / FRONT / CONTROL / PREAMP