Sony KE-P42MRX1 / KE-P50MRX1 Service Manual ▷ View online
- 33 -
3.3v
3.3V
12V
STBY_6V
POWER_ON
PANEL_ON
CONV_DEP
G_PROT
AC_DET
1
2
5
6
8
9
10
11
12
30 TEST
14 THERMO PANEL
15 THERMO H1C
13 THERMO HIC2
26
29
25
28
80
21
CN3304
TO G BOARD
CN1007
H
SO0
SO1
SI0
SI1
SW-1
CABLE DET
22
RESET
PANEL
HIC
HIC2
1
3
5
CN3306
SPDIF
SDA
SCL
AU_PROT
AU_MUTE
AU_RES
3
6
7
8
9
10
CN3301
TO K BOARD
CN3001
F
27
TEST
78
37
SW-3
12C_EN
69
SW-4
IC3401
PANEL MCU
(FPGA,MCU,CPU)
DEM (2/2)
SIRCS
MUTE
TIMER 2
TIMER 1
POWER
STBY
STBY 5V
2
4
5
6
7
8
9
CN3302
TO R1 BOARD
CN701
E
3
2
11
12
5
4
7
1
6
9
10
IC3308
D/A CONVERTER
A02
A03
A04
A05
A06
A01
A011
A012
A07
A09
A010
21
20
7
4
20
16
5
6
18
9
8
15
14
IC3306
I/O EX
I/O00
I/O03
I/O02
I/O01
I/O04
I/O05
I/O07
I/O13
I/O15
I/O12
I/O11
11
10
I/O06
I/O07
13
19
17
I/O09
I/O16
I/O10
LOGO
STBY 5V
2
1
CN3303
TO R2 BOARD
CN751
F
IC3304
5V REG
IC3305
3.3V REG
7
1
7
1
VIN
VOUT
+3.3V
VIN
VOUT
1
INT
22
TO
1/2
8
5
3
6
IC3112(2/2)
TO 1/2
9
TO 1/2
7
TO 1/2
4
TO 1/2
5
Q3106,3107
+3.3V
+3.3V
+5V
2
7
3
IC3301
OR
6
5
3
82 AC SW
84
83
PANEL ON
POWER ON
+3.3V
+12V
Q3304
LEVEL
SHIFT
SDA
SCL
Q3303
LEVEL
SHIFT
TO 1/2
3
Q3305,33306
SW
+5V
57 LED ON
TO 1/2
6
SEL1
SEL0
SDA
SCL
SDA
SDA
TO 2/2
1
TXD0
TXD1
RXD0
RXD1
MODE
DET
RESET
IC3402
RESET
VOUT
DRV
DRV
DRV
DRV
DRV LOW
DRV LOW
2
4
6
8
10
12
CN3305
TO FAN
IC3305
3.3V REG
3
1
+12V
VOUT
VIN
2
CONT
30
TO 1/2
2
S3351
SW
A0
A18
A1-A20
D0
D15
IC3403
FLASH MEMORY
WE
1 9
16-25
48
11
RY/BY
15
OE
28
CE
26
D0-D15
A1-A20
IC3405
BUS SW
16
18
19
20
21
22
48
47
81
70
71
72
59
79
D0-D15
IC3406
48
49
41
5
6
7
IC3351
EEPROM
SCL
SDA
WP
Q3351
+3.3V
48
47
48
42
46
SDA20
SCL2O
SCL2I
SDA2I
NVM WP
A0-A18
D0-D15
1-4
111-118
103-109
5
CONT
5
CONT
P0
P1
P2
P3
22 SCL
23 SDA
SDA
SCL
PANEL ON
POWER ON
PD3
PD2
SCDT
SCDT
WP
PD0
PD1
SPDIF
SIRCS
X3401
10.5MHz
53
XI
54
XO
BUS-SW
85-100
38-45
29-36
2A3
2A4
2A5
2A6
2A7
2A8
1OE
2OE
1OE
2OE
CS1
AS
RD
WR0
WR1
CS0
MCLK
58
40
RY/BY
2-7
9-14
18-20
BUS SW
9-14
2-7
29-31
33-40
42-46
34-40
42-46
33
31
30
29
28
27
2B3
2B8
1B1-1B8
2B1-2B6
1B1-1B8
2B1-2B6
CPUA0-12
CPUD0-15
371
396-398
423-425
452,453
478-480
CPUA0
CPUA12
393,395
419-422
446-450
473-477
CPUD0
CPUD15
445
392
418
472
444
391
CPUCS-X
CPURD-X
CPUWR0-X
CPUWR1-X
CPUAS-X
CPUCLK-X
IC3501(1/2)
CPU
11
RES
TO 1/2
10
33
P-ALARM
68
CLS
67
PLLBP
54 CL_X
27
PLLBP
- 34 -
1
2
AC
AC
TO F BOARD
CN603
1
2
3
GND
POWER
STBY 6V
CN604
RY1001
+12V
D1004
RECT
L1001-1003
D1016
Q1009
CONVERTER
Q1008
CONVERTER
Q1015
RELAY
DRIVE
Q1014,1016
LATCH
PH1202
+12V
Q1202
SW
3
1
2
OUT
VCC
CTL
REG
IC1003
Q1003
Q1005
Q1019
Q1020
LATCH
14
12
13
2
3
1
6
5
7
9
10
8
SS/PROTECT
LVP
Q1012
15
16
9
3
13
11
Q1013
Q1017
Q1011
SS RES
SS
Q1006
Q1024
OVP
RV1001
6
10
8
Q1004
SS RES
Q1001
D1009
DRIVE
7
SS
VC1
8
D1201
D1204
Q1201
SS
F/B
2
16
VG(H)
VS 15
VG(L) 12
OCP
9
IC1201
DRIVER
Q1203
CONVERTER
Q1204
CONVERTER
2
1
13
12
7
9
6
3
4
D1208
D1301
T1201
D1302
Q1308
VCC SW
Q1309
VCC CONTROL
1
2
VIN
SW OUT
IC1302
REG
PH1201
4
3
1
2
1
3
2
IC1301
D1306
Q1303
LATCH
Q1306
LATCH
+5V
9
8
14
7
6
11
10
1
13
2
5
4
+5V
+5V REG
OUT
VCC
3
1
2
CTL
IC1305 OVP,LVP
IC1307 BUFF
D1305
6
2
5
1
3
DRIVE
Q1304
CONV
CONV
Q1305
3
2
IC1304
V REF
VG(H)
1
16
15
8
VS
12
7
VG(L)
F/B
2
9
OCP
IC1401
DRIVER
Q1405
CONVERTER
Q1406
CONVERTER
1
6
12
15
PIT
T1401
10
D1501
CONTROL
CONTROL
CONTROL
2
3
1
ISOLATER
+12V
ISOLATER
DRIVER
IC1601
10
2
F/B
VG(L)
7
12
VS
8
15
16
1
VG(H)
CONVERTER
Q1607
CONVERTER
Q1606
Q1601
SW
Q1602
SS RES
SS
VC1
VSENCE
9
Q1603
REGULATOR
D1602
ISOLATER
ISOLATER
1
3
2
IC1701
VS_ADJ
RV1701
T1601
PIT
14
11
6
3
3
6
11
14
PIT
T1602
D1701,1702
Q1501,1502
DISCHARGE
Q1502
SW
Q1503
Q1704
IC1802
DISCHARGE
INV
Q1705
D1503
190V
D1703
SW
Q1802,1804
7
6
1
13
10
11
5
4
2
9
8
14
SW
Q1811,1809
SW
Q1307
VREF
2
3
IC1801
5
4
3
2
1
GND
GND
26V
AUDIO Vcc
AUDIO Vcc
TO K BOARD
CN3003
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
THERMO
G PROT
CONV_DET
PANEL ON
POWER ON
GND
STBY 6V
FAN 12V
GND
GND
3.3V
3.3V
CN3304
TO DEM BOARD
4
3
2
1
GND
GND
5V
5V
10
9
8
7
6
5
4
3
2
1
VS
VS
NC
VD
VD
GND
GND
GND
GND
NC
CN1010
CN1009
CN1007
CN1006
CN1003
G
(POWER)
Q1701
Q1702
CONTROL
IC1802
SW
H
DRIVE
OVP
Q1018
IC1001
SS
D1008
RESET
IC1303
IC1306
D1313
D1314
CN1005
D1002
IC1002
Q1401
SW
VSENSE
VC1
SS
SW
Q1404
OCP
VC2
Q1604
Q1605
PH1602
PH1601
PH1402
PH1401
IC1501
SW
Q1801
ISOLATER
+12V
6V
ENA
VCC
OUT
IAC
VRMS
VREF
IERR
SS
VFB
VREF
2
3
IC1004
D1601
20V
PIT
26V
12V
ISOLATER
CONTROL
D1310
70V
D1321
VOC HDRV
FB
LDRV
VC
6V
12
13
14
2
3
1
VD_ADJ
RV1501
PH1403
ISOLATER
20V
VREF
2
3
IC1402
TO
PANEL
BLOCK
TO
PANEL
BLOCK
D
A
TO F BOARD
B
- 35 -
2
1
AC
AC
CN601
AC INLET
2
1
AC
AC
CN603
CN604
ST-BY 6V
POWER ON
3
2
1
GND
T601,602
LFT
T604
LFT
T603
D601
1
RELAY DRIVE
Q601
F601
RY601
IC601
DRIVER
VCC
DRAIN
SOURCE
SOURCE
FB
VDD
PH601
D603
4
5
7
8
2
1
3
5
4
4
3
K
A
IC602
REFERENCE VOLTAGE
D604
10
8
1
2
3
2
F
(LINE FILTER)
TH601
TO G BOARD
CN1003
TO G BOARD
CN1005
A
B
R1
(SIRCS, LED)
TIMER 2
TIMER 1
TIMER 1
POWER
STBY
MUTE
SIRCS
STBY5V
CN701
GND
8
SAVING
9
GND
10
7
6
5
4
2
1
3
CN3302
TO DEM BOARD
IC701
SIRCS
OUT
VCC
Q701-706
LED SW
STBY 5V
D701
POWER
D703
TIMER
D705
MUTE
F
R2
(LED)
GND
LOGO
STBY5V
CN751
NC
4
2
1
3
CN3303
Q751-754
LED SW
D751
|
D754
|
D754
E
TO DEM BOARD
11
10
9
8
7
6
5
4
3
2
1
CN3001
+3.3V
GND
SPDIF
GND
+12V
SDA2
SCL2
GND
MUTE
RES
GND
RX1
XTO
XTI
SDA
SCL
PDN
MCKO2
BICK
SDTO
LRCK
INT1
S/PDIF RECEIVER
IC3001
+3.3V
IC3002
AUDIO PROCESSOR
MCLK_IN
SCLK
SDIN
LRCLK
RESET
PWM-AP_L
PWM-AM_L
PWM-AP_R
PWM-AM_R
VALID_L
MUTE
+12V
X3001
24.576MHz
AUDIO AMP
IC3003
PWM-AP
PWM-AM
PWM-BP
PWM-BM
PWDN
RRESET
OUTPUTA
OUTPUTA
OUTPUTB
OUTPUTB
44
29
30
33
34
31
AND
IC3004
2B
1B
1A
2Y
Q3001
SW
Q3004-3007
SW
3.3V
Q3003
SW
5
2
1
27
26
25
24
37
1
17
19
18
7
35
34
29
28
23
38
1
2
16
15
18
14
Q3002
VCC REG.
F3003
F3001
F3002
GND
GND
GND
AUDIO Vcc
AUDIO Vcc
CN3003
1
2
3
4
5
L3006
32
17
28
29
20
21
PVDDA2
PVDDB2
PVDDA1
PVDDA1
PVDDB1
PVDDB1
6
4
3
2
1
CN3002
L+
L-
R-
R+
L
R
SPEAKER
26
27
22
23
TO G BOARD
CN1006
(AUDIO OUT)
K
D
TO DEM BOARD
CN3301
G
- 36 -
4-1-2. MEDIA RECEIVER UNIT (MBT-MRX1)
H5 ( )
CN9503
IC9500
ADDRESS 4-CH
3
TO A1 BOARD
CN8005
C
Y/CVBS
L_FRONT
R_FRONT
LOGO
P_SW
SCL
SDA
WP
15
3
2
4
6
8
1
R
1
5
7
9
13
CN9500
4
3
2
1
1
VIDEO
L
R
J9502
7
9
J9500
9
1
3
7
5
J9501
HP_SW
HP_L
HP_R
PC_R
PC_L
13
7
2
12
1
S9500
VCC
14
4
5
7
IC9501
EDIT MEMORY
7
11
6
5
UPD_LED
KEY2
KEY1
10
8
1
3
G
B
H
V
CN9501
TO A1 BOARD
CN8004
TO A2 BOARD
CN4601
TO H6 BOARD
CN9700
CN9502
CN9504
SCL
SDA
DAC4
DAC3
DAC2
DAC0
WP
SCL
SDA
IC9600
PORT
EXPANDER
15
3
14
4
5
7
SCL
SDA
DAC4
DAC3
DAC2
DAC0
Q9600
Q9601
Q9602
Q9601
Q9602
5
Q9606
Q9605
Q9604
Q9603
LOGO
DAC1
TV
V1
MS
PC
VCC
CN9505
PC_R
PC_G
PC_B
PC_H
PC_V
TO A
2
BOARD
Q9502
Q9500
Q9501
Q9501
Q9503
Q9504
Q9504
FRONT KEY AND LED
IF ( )
CN2
IC2
A22
A37
B30
A17
A31
A19
B26
A29
CN3
TO A2 BOARD
CN5802
TO A1 BOARD
CN8000
TO DIC 2
CN1000
IC3
SCP SLICER
TB2
TB3
3
2
1
1
SCPSUB
I_MS_AU_L_IN
H SUB
V SUB
IC4
SYNC ADDER
2
4
VREF 3V
I_MS_AU_R_IN
O_MS_AU_L_IN
O_MS_AU_R_IN
+
_
I_SUB_Y/CV
I_SUB_CR
I_MAIN_CR
1Y
1A
1B
I_SUB_C/CB
I_MAIN_C/CD
I_MAIN_Y/CV
TB2
TB3
12
13
2
Y0
X0
X1
5
3
1
4
Z0
Z1
Y1
Z
IC5
TB2
TB3
1
14
27
OCL+
R/C
VOUT
25
OCL-
B24
B28
A45
A33
A47
A49
A41
A13
B33
B12
B14
A15
A21
A23
B38
B18
B16
A13
A11
A9
A8
B4
B8
A7
A5
A3
B6
3
1
5
7
9
13
15
22
21
CN1
EPG_MODE
DIS_YS
I_BINT
O_MID_BUSY
I_MICOM_VP
I_MS/CNM_AC_DET
I_MS/CNM_RESET
PAL_FILM_MOD
I_BOARD_RESET
Q1
BUFFER
1
2
IC1
B18
B17
MS 3.3V
B14
MS 11V
INTERFACE TO DIC2
U2 ( )
SW_OUT
LINE_L
LINE_R
SIRCS 3.3V
1
1
3
5
7
8
14
15
J1900
11
J1902
TO A1 BOARD
CN8006
CN1901
1
3
IC1900
NAND
CN1902
YUV_CR
TO A1 BOARD
CN8007
MUTE SW
MUTE LIR
MUTE SW
Q1901
MUTE L, R
Q1902
Q1904
Q1904
+
_
Q1905
Q1903
Q1903
10
RS232
Q1906
Q1900
2
5
6
7
7
IC1901
INVERTER
J1901
3
5
7
9
YUV_CB
YUV_Y
YUV_L
YUV_R
J1903
VR
VB
VG
L
R
DVD IN
DVD IN
RS232C
AV MOUSE
CENTRE -
CENTRE +
TB1900
CENTRE
SPEAKER
CENTRE
SPEAKER
SUB-WOOFER
LINE OUT
LINE OUT
TERMINAL INPUT & OUTPUT
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