Mitsubishi Electric LC62 CHASSIS XL6500LU Service Manual page 109

  
PCB-BLOCK DIAGRAM
AWG18/105
(SUMI TUBE125 )
RATED 600V
A
PCB-FILTER
PCB-INLET
1
FL
FN
4
V4P-2P
S 1
PF-L
A C - H
G N D
A C - C
FG
AWG18/105
Yellow/Green
AC POWER CORD
B
RF
1
AWG22/105
(TUBE200 )
RATED 600V
POWER LAMP UNIT
C L370V 1 1 L370V
SOCKET
LGND LGND
3 3
2
V3P-1P
1
LAMP
PCB-KEY
1 2 3 4 5
CN2 SH-H
D
1 2 3 4 5 6
KT
AWG28/105
AWG28/80
(SUMI TUBE125 )
TW PA-H SA Z-H ST
1 2 1 2 3 4 5 1 2 3 4 5 6
E
PCB-TERMINAL
AGND AGND
F 2 6 2 5
STBYR5 STBY5A
2 7 2 4
STBYR5 STBY5A
2 8 2 3
AGND 2 2 AGND
2 9
L-MUTEZ 3 0 2 1 AUSCL
A-MUTEZ AUSDA
3 1 2 0
A-SLEEPZ (NC)SW12AU
3 2 1 9
AGND AGND
3 3 1 8
AGND Y
3 4 1 7
C 1 6 AGND
3 5
AGND 3 6 1 5 COMP
V AGND
3 7 1 4
AGND H
3 8 1 3
SOG AGND
3 9 1 2
AGND AGND
4 0 1 1
G B 1 0 B
4 1
AGND 4 2 9 AGND
G G
4 3 8
AGND AGND
4 4 7
R R
4 5 6
AGND AGND
4 6 5
CH2/1Z 4 SCART/PCZ
4 7
AGND 4 8 3 DDCWPZ
WS WR-ON
4 9 2
AGND AGND
5 0 1
H
1 2 1 2 3 1 2 3 4 5
TL PA-H SX SZ
Z-H
- +
AWG26/105
AWG26/105 AWG30/125
SPEAKER
THERMISTOR
OUT FAN
I
CONTENTS
PCB-BLOCK DIAGRAM .................................. C-
ANALOG PCB-MAIN ....................................... C-
DIGITAL PCB-MAIN ...................................... C-
DIGITAL PCB-MAIN ...................................... C-
DRIVE-IN PCB-DRIVE .................................... C-
UFMTG PCB-DRIVE ....................................... C-
DRIVE-R,G PCB-DRIVE ................................. C-
DRIVE-B PCB-DRIVE ..................................... C-
PCB-POWER SUB, PCB-POWER .................. C-
PCB-FILTER, PCB-MOTOR, PCB-KEY .......... C-
PCB-IRR, PCB-IRF, PCB-INLET ..................... C-
PCB-TERMINAL, PCB-BOO, PCB-BOO SUB .. C-0
XL00LU
C-
XL00U
  
LAMP FAN POWER FAN
THERMOSTAT IN FAN PBS FAN
AWG26/105 AWG26/105 AWG26/105
PF-N AWG18/105
(SUMI-TUBE125 )
RATED 600V
NR NK NA
AWG18/105 Z S Z
(SUMI TUBE125 )
RATED 600V 1 2 3 1 2 3 1 2 3 1
CORE
(x2turn)
AGND
AWG26/105 1
SW12AU
2
PA
V3P-1P
AWG26/105
SHIFT-U
3 AGND AGND
1 1
SHIFT-D
AGND AGND
2 2
SHIFT-L
FAN-ON FAN-ON
3 3
SHIFT-R
PCB-POWER STBY5 4 4 STBY5 PCB-POWER SUB
STBY5 STBY5
5 5
DGND DGND
6 6
NR17 NR17
7 7
NR17 NR17
8 8
NR14 NR14
9 9
FOCUS1
NR14 1 0 1 0 NR14
FOCUS2
DGND DGND
1 1 1 1
DGND DGND
1 2 1 2
S-H S
1 2 3 4 5 6
RD S-H
DRV-FSTOP
7 8 9 1 0 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 1 2 3
Z-H PA
NE PA NC NF PA NM
PA
AWG26/105 AWG28/105 AWG28/105 AWG28/105
SD S-H
Z SE Z-H SC Z-H SF Z-H
7 8 9 1 0 1 2 3 4 5 6 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8
STBY3
LS-COM1
DGND
STBY3.3
LS-COM2
DGND
PCB-MAIN
ANALOG
DIGITAL1
DIGITAL2
6 7 8
Z-H
AWG26/180
THERMISTOR
(IN) (LAMP)
  
BATTERY
AWG26/105 BA SHOCK SENSOR
Z-H
1 2
NB
Z
2 3 4 GND
1
SSIN PCB-BOO SUB
PCB-BOO 2
GND GND
3 1
BZSW BZSW
4 2
Z-H
Z-H
1
2 AWG26/105 LENS SHIFT MOTOR
3
4
S
AWG26/105
AWG26/105
ZOOM1
ZOOM1 ZOOM1 1
1 1
ZOOM2
ZOOM2 ZOOM2 2
2 2
FOCUS1 MOTOR
FOCUS1 3
3 3
FOCUS2 4
4 4 FOCUS2 (ZOOM/FOCUS)
NC 5
NC 5 5 NC PCB-MOTOR
S-H NC
NC 6
6
S
S
D-FANV
1 DRIVE FAN
AWG26/105
D-FGND
2
3
NC
4
NC
5
Z
DGND DGND
1 1
STBY5 2 2 STBY5
NR17A 3 3 NR17A
AWG26/105
AGND DGND
4 4
NR17D NR17D
5 5
DGND DGND
6 6
NC NC
7 7
PA
S-H
STBY5
3
AWG28/80 PCB-IRF
RSI-F
2
DGND
1
Z-H
1 1 STBY3
2 2 LS-COM1 PCB-LS SENSOR
DGND
3 3
STBY3.3 (LENS SHIET SENSOR)
4 4
LS-COM2
5 5
DGND
6 6
Z-H
AWG28/80
AWG28/105
(SUMI TUBE125 )
AGND 1 1 DGND
PCB-IRR
RSI-R RSI-R
2 2
STBY5A STBY5A
3 3
AGND Z-H
4
LBX
5
AGND
6
FBX 7
UP(SMK)
Z-H L-BOX
SWITCH
1
SW ON:2-3Short
2
3
1
2 F-BOX
SWITCH
3 (BOTTOM)
SW ON:2-3Short
UP(SMK)
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
40 39 38 37 36 35 34 33 32 31 30 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 3
0  
PCB-DRIVE
DRIVE-IN
UFMTG
LCD-B DRIVE-R,G LCD-R
(OPTICAL UNIT) (OPTICAL UNIT)
DRIVE-B
LCD-G
(OPTICAL UNIT)
DG
DV
79 80 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
2 1 40 39 38 37 36 35 34 33 32 31 30 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 3 2 1
SV
  
NOTE
. TPA, etc. shows Test Point.
. Capacitors
pF, for numbers more than 
Value Not indicated
F, for numbers less than 
Dielectric
Not indicated : 0V
Strength
Not indicated = 0 % No Tolerance is indicated
for electrolytic capacitors
and 0 %
Tolerance G =  % N = 0 % Q = + 0 % C = 0. pF
J =  % – 0 % D = 0. pF
K = 0 % P = + 00 % Z = + 0 % F =  pF
M = 0 % – 0 % – 0 % G =  pF
Not indicated : Ceramic capacitor
MF : Polyester film capacitor
PP : Polypropylene film capacitor
ALM : Aluminus electrolytic capacitor
TF : Twin film capacitor
SC : Semiconductor ceramic capacitor
Parts
except MP : Metalized paper film capacitor
I
for MPP : Metalized plastic film capacitor
chips
MMF : Metalized polyester film capacitor
Sort
MF,PP : Polyester polypropylene film capacitor
PS : Polystyrol film capacitor
TAN or TANT : Tantalum capacitor
: Electrolytic capacitor
BP or NP : Non polarized electrolytic capacitor
Not indicated : Ceramic chip capacitor
II Chips : Electrolytic chip capacitor
BP or NP : Non polarized electrolytic chip capacitor
Characteristic
Not indicated : F or B (high dielectric percentage)
(only ceramic
CH,SL,etc : Temperature compensating types
capacitor)
Electrolytic capacitor only
Tolerable maximum temperature
Not indicated ºC
0C 0ºC
F=. : leads pich is . mm
F
. Resistors
Not indicated =
Value K = k (000)
M = M (000k)
Parts
except Not indicated = /W or /W
Wattage for chips
Chips Not indicated = /0W
Not indicated =  %
Tolerance D = 0. % J =  %
K = 0 %
F =  %
Not indicated : Carbon resistor
S : Fixed composition resistor
MB : Metal oxide film resistor (type B)
Parts
except CE : Cemented resistor
I
for
W : Wire wound resistor
Sort
chips M
: Metal film resistor
MPC : Metal plate cement resistor
ML : Metal liner resistor
II Chips Not indicated : Chip resistor
. Chip size (chip resistors,chip capacitor)
() . mm X . mm () . mm X . mm
(00) .0 mm X .0 mm () . mm X . mm
(0) . mm X 0. mm (0) .0 mm X . mm
(00) .0 mm X 0. mm
. Specific symbol
Zener Diode Fusible Resistor
Varicap
Crystal unit
Positive Thermistor
P Air Gap
Thermistor
T
Varistor
Photo Diode
Ceramic filter
LED
. Correspondence of the units in the Schematic
Diagrams to the SI units.
Schematic Diagram SI
Kiro K k
Hertz HZ Hz
Pico P p
. This is a basic schematic diagram.
Some sets may be subject to modify according to engineering imporovement.
SERVICING PRECAUTION
SYMBOLS INDICATE COMPONENTS HAVING SPECIAL
CHARACTERISTICS IMPORTANT TO SAFETY AND
PERFORMANCE. THEREFORE REPLACEMENT OF ANY
SAFETY PARTS SHOULD BE IDENTICAL IN VALUE AND
CHARACTERISTICS. FOR ACCURACY OF THE
REPLACEMENT REFER TO THE PARTS LIST OF
SERVICE MANUAL.
DON'T DEGRADE THE SAFETY OF THE RECEIVERS
DW
THROUGH IMPROPER SERVICING.
SHADED COMPONENTS HAVE SPECIAL
SW
CHARACTERISTICS IMPORTANT TO SAFETY.
B E F O R E R E P L A C I N G A N Y O F T H E S E
COMPONENTS, READ CAREFULLY THE
PRODUCT SAFETY NOTICE IN THE SERVICE
MANUAL.
DON'T DEGRADE THE SAFETY OF THE
RECEIVERS THROUGH IMPROPER SERVICING.