Sony KE-MR50M2 Service Manual ▷ View online
KE-MR50M2 (CH) 3-10
IC3402
TMDS TRANSMITTER
TX1-
TX1+
TX0-
TX0+
TXC+
TXC-
30
31
27
28
24
25
22
21
4
5
2
57
HSYNC
VSYNC
DE
IDCK+
CBIN9
CBIN0
CROUT9
CROUT2
IC3306
DCP
IN
CLK
B0-B7
G0-G7
R0-R7
8
8
8
46-53
26-28
38-41
32-35
61
62
68
188
CBOUT2
CBOUT9
YGOUT2
YGOUT9
SET3.3V
171
X3301
24MHz
VIN
HIN
GBRVOUT
DEN
GBRCLKO
RXT_X
4
2
RESET
4
2
SET2.5V
VS
DE
DCK
YGIN9
YGIN0
199
165
164
OSD1RIN6
OSD1RIN7
OSD1GIN6
OSD1GIN7
OSD1BIN6
OSD1BIN7
148,147
137,136
129,125
158
157
116
0_R6,R7
O_G6,G7
O_B6,B7
YM
YS
OSD-HS
YM1
YS1
OSD1HIN
TO(1/2)
1
RXIN0-
RECEIVER
IC3302
RXCLKOUT
RXOUT23
RXOUT27
RXOUT9-18
RXOUT1-8
RXOUT19-20
26
2
7
RXIN1-
RXIN1+
RXIN2-
RXIN2+
RXCLKIN-
RXIN3-
RXIN3+
RXCLKIN+
10
9
16
15
18
17
20
19
11
12
RXIN0+
14
13
11
10
8
7
5
4
2
1
RXIN3+
RXIN3-
RXCLK+
RXCLK-
RXIN2+
RXIN2-
RXIN1+
RXIN1-
RXIN0+
RXIN0-
CN3301
10
10
Y0-Y9
C0-C9
1
2
4
IC3303
INV
M(2/2)
(MCU,LVDS TRANSMITTER)
SET3.3V
20-24
CN1003
BD BOARD
S
TO
SET3.3V
2
TO(1/2)
LVS
OSD-VS
HS
63
GBRHOUT
Q8
IC3310(2/3)
D8
19
18
2
3
Q1
IC3309
D1
Q8
D2
CK
11
19
OSD1HOUT
111
16
CK
Q7
D7
D1
Q5
3
12
DATA SHIFT
IC3310(1/3)
106
OSD1VOUT
DATA SHIFT
D4
Q3
CK
8
9
IC3312
15
14
Q6
IC3310(3/3)
D6
2
1
4
GATE
IC3311
1
4
TO(1/2)
2
8
9
CLK
9
8
6
5
3
CLK241
CLK243
2
128
CLK342
BUFFER
IC3308
OSD1CLK
X3302
30MHz
RESET
DATA16
DATA23
DATA15
DATA8
DATA7
DATA0
16
14
7
6
24
23
18
17
10
9
2
1
HOT PLUGDET
+5V POWER
DDC SDA
DDC SCL
CLOCK-
CLOCK+
DATA0+
DATA0-
DATA1+
DATA1-
DATA2+
DATA2-
CN3403
TO
DISPLAY UNIT
(WHITE)
TX2+
TX2-
S2
S1
D1
LEVEL SHIFT
Q3403
D2
14
15
SDA
SCL
OUT
IC3405
BUS LINE BUFFER
OUT
IN
IN
3
6
2
7
STBY5V
RST_TMDS
M_SENSE
PLUG DET
3
TO(1/2)
MSEN
RSTZ
13
11
LEVEL
SHIFT
160
159
Q3301,3302
PF_SDAT
PF_SCLK
SDA
SCL
11
11
INV.
IC3306
(7)
M(2/2) Board
KE-MR50M2 (CH) 3-11
1
2
3
AC IN(N)
AC IN(L)
CN6001
AC INLET
Q6001
RELAY DRIVE
D6007
RY6001
RY6002
D6004
1
2
4
3
VD
VC1
F/B
VG(H)
VS
VG(L)
OCP
Q6004
DRIVER
Q6003
DRIVER
IC6002
SWITCHING REGULATOR
5
7
T6004
10
13
14
11
12
15
16
17
18
8
3
11
18
8
7
2
16
15
12
9
D6005
D6020
10
9
8
7
5
4
3
2
1
FAN HIGH/LOW
FAN ON/OFF
9V_OVP(NC)
MS DET
ILINK STBY(NC)
FAN PROT
AC RELAY
P SW(-)
AC DET
CN6005
5
2
1
SET 9V
NC
NC
CN6002
7
5
3
1
STBY 5V
33V
A5V
D5V
CN6003
CN6004
SET 11V
SET 11V
REG SW
MS 11V
1
2
5
6
CN6101
FAN POWER
FAN PROT1
FAN POWER
FAN PROT2
1
2
4
5
TO
A(2/2)BOARD
A BOARD
TO
A(2/2)BOARD
TO
A(2/2)BOARD
TO
TO FAN 1,2
B
E
C
D
IC6751
FAN DRIVER
2
IC6007
+9V REG
I
0
0
I
5V REG
IC6006
1
2
2
1
IC6009
5V REG
I
0
0
I
+5V REG
IC6010
3
4
2
1
PS6001
IC6005
V.REF
D6006
D6024
D6033
Q6012
33V REG
PS6002
D6017,6018
D6019
SET6.5V
Q6005,6006
LATCH
P-SW(-)
AC-RLY
D6026
D6754
3
D6101
Q6752
4
2
1
Q1
Bi
MUITI BIVRATOR
IC6001
5
7
3
PH6001
STBY5V
Q6007
Q6002
Q6008,6009
INITIAL SWITCH
Q6013
AC DET
MS DET
IC6011
LEVEL
DETECT
SET6.5V
8
SOURCE
SOURCE
7
IC6003
2
FB
VDD
1
VCC
4
DRAIN
5
ST-BY TRANSFORMER
T6003
1
3
10
8
4
5
SWITCHING REGULATOR
1
2
4
3
D6016
PH6003
V.REF
IC6004
STBY5V
D6015
L6001
F6001
(POWER SUPPLY,FAN CONTROL)
G
D6011,6012
PH6004
PIT FOR VCC
D6022
1
4
PH6002
CN8702
CN8705
CN8704
CN8703
(8)
G Board
KE-MR50M2 (CH) 3-13
3-3. CIRCUIT BOARDS LOCATION
3-3-1. DISPLAY UNIT (PDM-5010)
Note:
•
•
All capacitors are in µF unless otherwise noted. (pF: µµF)
Capacitors without voltage indication are all 50 V.
Capacitors without voltage indication are all 50 V.
•
Indication of resistance, which does not have one for rating electrical
power, is as follows.
power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4 W (CHIP : 1/10 W)
•
All resistors are in ohms.
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation, and adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B, unless
otherwise noted.
otherwise noted.
•
: earth-ground.
•
: earth-chassis.
•
When replacing the part in below table, be sure to perform the related
adjustment.
adjustment.
•
All voltages are in V.
•
Readings are taken with a 10 M digital multimeter.
•
Readings are taken with a color-bar signal input.
•
Voltage variations may be noted due to normal production tolerances.
•
*
: Names and values of parts depend on models.
•
*
: Can not be measured.
•
Circled numbers are waveform references.
•
: B + bus.
•
: B – bus.
•
: Signal path.
3-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
G board
F board
DEM board
R1 board
R2 board
K board
3-3-2. MEDIA RECEIVER UNIT (MBT-MR2)
Note: The components identified by shading and
mark
! are critical for safety. Replace only
with part number specified.
Note: Les composants identifiés par un tramé et
une marque
! sont critiques pour la
sécurité. Ne les remplacer que par une pièce
portant le numéro spécifié.
portant le numéro spécifié.
HM board
H1 board
H3 board
H2 board
G board
BD board
MS2 board
M board
A board
J1 board
J2 board
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