Mitsubishi WD-57833 Service Manual page 60

1 2 3 4
V36L ONLY
V36,V37,V37L and V38 ONLY
PWB-FRONT1 PWB-FRONT2
A
B
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
CE2
CE1
PA-H PA-H
C
D
PA-H CE
9
1 2 3 4 5 6 7 8 10 11 12
E
5VSCL 1
GND 2
5VSDA 3
GND 4
MAIN-R 5
GND 6
MAIN-L 7
GND 8
DM-R(V38 only )
9
GND 10
DM-L(V38 only ) 11
GND 12
TU-R 13
GND 14
TU-L 15
GND 16
SUB-PR( V38 only ) 17
GND 18
SUB-PB( V38 only ) 19
GND 20
F
SUB-Y( V38 only ) 21
GND 22
MAIN-PR 23
GND 24
MAIN-PB 25
GND 26
MAIN-Y 27
GND 28
GND 29
GND 30
GND 31
E2PSCL 32
GND 33
E2PSDA
34
GND 35
DM-VIDEO ( V38 only ) 36
GND
37
TUNER-VIDEO 38
GND 39 TA TA
5VS 40
GND 41
G 5VS 42
GND 43
5VS 44
GND 45
9VS 46
GND 47
9VS 48
GND 49
9VS 50
GND 51
3.3VS 52
GND
53
AVRMUTE 54
GND 55
MT-MONA 56
GND 57
AVR-R 58
GND 59
AVR-L 60
H
TX25
PWB-TERMINAL
I
L_OUT+
L_SP
L_OUT-
R_OUT-
R_SP
R_OUT+
J
PWB-SBL-L
1
2
3
4
5
PWB-SBL-R
K
1
2
3
4
5
V38 ONLY
L
M
3 N
PS 2
L
1
V
N
O
5 6 7 8
PWB-LED PWB-CONT1
PA-H
8 7 6 5 4 3 2 1
5 4 3 2 1
LE3
LE2
LE
8
11 10 9 7 6 5 4 3 2 1
PA-H
MAIN1-DCDC/IF
1 5VSCL
2 GND
3 5VSDA
4 GND
5 MAIN-R
6 GND
7 MAIN-L
8 GND
DM-R(V38 only )
9
10 GND
11 DM-L(V38 only )
12 GND
13 TU-R
14 GND
15 TU-L
16 GND
17 SUB-PR( V38 only )
18 GND
19 SUB-PB( V38 only )
20 GND
SUB-Y( V38 only )
21
22 GND
23 MAIN-PR
24 GND
25 MAIN-PB
26 GND
27 MAIN-Y
28 GND
29 GND
30 GND
31 GND
32 E2PSCL
33 GND
E2PSDA
34
35
GND
36 DM-VIDEO ( V38 only )
GND
37
38 TUNER-VIDEO
39 GND
40 5VS
41 GND
42 5VS
43 GND
44 5VS
45 GND
46 9VS
47 GND
48 9VS
49 GND
50 9VS
51 GND
52 3.3VS
GND
53
54 AVRMUTE
55 GND
56 MT-MONA MAIN1-DCDC/IF
57 GND
58 AVR-R
MAIN1-DCDC/IF
59 GND
60 AVR-L
V38 ONLY
TX24
PA-H
1 4 5 6 7 8 9 10 11 12 13 14 16
2 3 15
1 2 3 4 PD
5 4 3 2 1
PA-H SB
ES
SMP
SB1
SMR
PA-H
PD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
VLP VLR
LAMP GND 1
NC 2
NC 3
NC 4
340V 5
V
PWB-POWER
GND
4
GND
3
12VC
2
12VC
1
VH
9 10 11 12 13
PWB
PREAMP
1 2 3 4 5
GND
GND
AN
PA-H
GND
GND
GND
PA-H
AN GND
GND
GND
1 2 3 4 5 6
MAIN1-DCDC/IF
PWB-MAIN
MAIN1-DCDC/IF
PA-H
1 2 3 4 5 6 7
FB
SMP
FB
FB
SMR
SM
CJ3
1 2 3 4 5
EXHAUST FAN
VH
3 LAMP GND
2
BALLAST FAN
1 340V
(Scirocco FAN)
LAMP
BALLAST
14 15 16
17
PWB-FRONTHDMI
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
22 GND
26
27 GND
23 HD1
24 28 GND
25 29 GND
TMDS CABLE
29 G 25
G GND
24 GND
28 G G
HD1
27 G G 23 GND
26 G G 22 GND
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
MAIN3-HDMI
V37, V37L and V38 ONLY
MAIN11-TMDS
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
J7C00
J12
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
GND
3
2 SENSOR
1 VCC
4 NC
3 GND
2 SENSOR
1 VCC
LAMP
TEMP
DMD Chip
LAMP
DLP ENGINE
VH
4 GND
3 GND
2 12VC
1 12VC
CONTENTS
PG 1.....BLOCK
PG 2.....POWER
PG 3.....TERMINAL
PG 4.....MAIN1 [DCDC/IF]
PG 5.....MAIN2 [TUNER/MISC] V36-V37
PG 6.....MAIN2 [TUNER] V38
PG 7.....MAIN3 [HDMI]
PG 8.....MAIN4 [CORE] V36-V37
PG 9.....MAIN4 [CORE] V38
PG 10....MAIN5 [MEMA]
PG 11....MAIN6 [MEMB] V38
PG 12....MAIN7 [ROM/AV] V36-V37
PG 13....MAIN7 [ROM/AV] V38
PG 14....MAIN8 [ADC] V36-V37
22
18 19 20 21
PG 1.....BLOCK
FRONT-USB V36-V38
* 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.
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%
M=+/-20% -20% -0%
Not indicated : Ceramic capacitor
MF : Polyester capacitor
US
UB PP : Polypropylene film capacitor
1 2 3 4
ALM : Aluminus electrolytic capacitor
Parts TF : Twin film capacitor
except SC : Semiconductor Ceramic capacitor
Type
I for MP : Metalized paper
chips
MAIN2-TUNER/MISC MPP
: Metalized plastic film capacitor
MMF
: Metalized polyester capacitor
: Polyester polypropylene film
MF,PP
capacitor
PS
: Styrol capacitor
TAN TANT
or : Tantalum capacitor
+ : Electrolytic capacitor
NP : Non polarized electrolytic
capacitor
Not indicated : Ceramic capacitor chip
II chips +
: Electrolytic capacitor
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
Parts except Not indicated
Wattage for chips
Chips Not indicated
Not indicated = +/-5%
Toler
ance D = +/-0.5% J = +/-5%
F = +/-1% K = +/-10%
Not indicated : Carbon resistor
S
Parts : Fixed composition resistor
Type MB : Metal oxide film resistor(Type B)
except
I CE : 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
6. This is a basic schematic diagram. Some sets may be subject
to modification according to engineering improvement
MAIN1-DCDC/IF SHADED COMPONENTS HAVE SPECIAL CHARACTERISTICS
IMPORTANT TO SAFETY. BEFORE REPLACING ANY OF
V38 ONLY
THESE COMPONENTS, READ CAREFULLY THE PRODUCT
SAFETY NOTICE IN THE SERVICE MANUAL. DON'T
DEGRADE THE SAFETY OF THE RECEIVERS THROUGH
IMPROPER SERVICING.
1 2 3 4
3D
SERVICE TECHNICIAN WARNING;
X-RADIATION PRECAUTION
TMDS
THIS PRODUCT INCLUDES CRITICAL ELECTRICAL AND MECHANICAL
PARTS ESSENTIAL FOR X-RADIATION PROTECTION
TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION PROTECTIVE
3D OUTPUT
MEASURE FOR PERSONNEL DOING SERVICING.
3 PIN MINI DIN
SEE SERVICE INSTRUCTION FOR SPECIFIED REPLACEMENT
PARTS AND SERVICE ADJUSTMENTS.
TMDS
DMD_FAN
DMD
TEMP
J5
WD-57733 V36
WD-65733 V36
PG 15....MAIN8 [1394] V38
PG 16....MAIN9 [SPA2_MAIN] WD-73733 V36
PG 17....MAIN10 [SPA2_MEM]
WD-C657 V36L
PG 18....MAIN11 [TDMS]
PG 19....MAIN12 [AUDIO] WD-57734 V37
PG 20....MAIN13 [MICRO]
WD-65734 V37
PG 21....MAIN14 [FPGA] V38
PG 22....MAIN15 [VIDEO_MAIN] V38
WD-73734 V37
PG 23....MAIN16 [VIDEO_SUB/MISC] V38
WD-Y577 V37L
PG 24....MAIN17 [GUIDE] V38
PG 25....MISC[CONT/FRONT/LED/HDMI/SBL/PRE-AMP]
WD-Y657 V37L
WD-57833 V38
WD-65833 V38
WD-73833 V38
PAGE 1
C=+/-0.25PF
D=+/-0.5PF
F=+/-1PF
D=+/-2PF
= 1/4W or 1/6W
= 1/10W