Media Receiver Unit (Mbt-Mr2); A (1/2) And H1 (1/2) Boards - Sony KE-MR31M2 Service Manual

Flat panel color tv
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3-1-2. MEDIA RECEIVER UNIT (MBT-MR2)

(1) A (1/2) and H1 (1/2) Boards

J8301
S1
Y1
Y
C
C2
3
4
S VIDEO
1
2
V
V1
VIDEO
VIDEO
IN1
L
L1
L
(MONO)
AUDIO
R
R1
R
S2
Y2
Y
C
C2
3
4
S VIDEO
1
2
V
V2
VIDEO
VIDEO
IN2
L
L2
L
(MONO)
AUDIO
R
R2
R
S3
Y3
Y
C
C3
3
4
S VIDEO
1
2
V
V3
VIDEO
VIDEO
IN3
L
L3
L
(MONO)
AUDIO
R
R3
R
J8305
WOOFER OUT
(VAR)
L
CM-L1
L
AUDIO
R
CM-L2
R
J8306
Y
CM_Y1
COMPONENT
Y
VIDEO IN 1
CB
CM_PB1
PB/CB
CR
CM_PR1
PR/CR
TU2000 TUNER
TU2001 TUNER
IC8306
VIDEO SW
67
CV/YOUT2
68
Q8512,8513
C/CBOUT2
1
IN2_CV
58
CV/YOUT1
59
C/CBOUT1
Q8314,8316
79
60
IN1-CV
CROUT1
VIDEO
16
IN6_S
18
IN6_Y
19
IN6_C
17
71
IN6_CV
CVOUT3
11
IN5_S
13
IN5_Y
14
IN5_C
12
IN5_CV
1
21
IN7-S
TO 2/2
23
IN7-Y
24
IN7-C
22
IN7-CV
22
IN7-CV
26
IN8-Y
27
72
IN8-CB
YOUT3
28
73
IN8-CR
COUT3
40
33
IN10-Y
IN9-Y
41
34
IN10-CB
IN9-CB
42
35
IN10-CR
IN9-CR
43
IN10-L1/H
44
IN10-L2/V
39
6
IN9_SW
IN4-S
7
IN4-CV
8
IN4-Y
9
IN4-C
51
EXT_CLK/XTAL
76
SCL
77
SDA
X8302
4MHz
5
J8308
3P
TO 2/2
COMPONENT
CM_Y2
Y
Y
VIDEO IN2
CM_PB2
CB
PB/CB
CM_PR2
CR
PR/CR
R
CM_L2
L
AUDIO
CM_R2
R
J8307
2P
J8304
2P
H
H
HD
SYNC
V
V
VD
SW
Q8510,8511
Y
Y
Y/B-Y/R-Y
B-Y
CB
R-Y
CR
Q8315
Q8317
Q8318
Q8305
2
TO 2/2
Y
Q8310
Q8311
Cb
Y
Cr
Q8309
Cb
Q8308
Cr
IC8303
4
PF-SCLK
PF-SDAT
A(1/2)
(AV SW,INPUT TERMINAL)
IC9302
IC9305
YCT-SUB
SELECT
Q9310
1
21
Q9311
12
Q9305
CVBS/Y1
Y OUT
OX
44
CVBS/Y2
BUFFER
43
22
Q9309
2
C2
Cb OUT
OY
38
Xtal
23
Q9308
5
X9301
Cr OUT
OZ
16.2MHz
Q9307
13
9
1
PF_SCLK
SCL
HS
4
BUFFER
14
4
2 OR
PF_SDAT
SDA
VS
Q9304
13
1X
Q9306
1
1Y
3
1Z
IC8302
YCT-MAIN
Q8304
1
CVBS/Y1
IC8503
1
3
1.8V REG
Q8306,Q8307
SET2.5V
44
CVBS/Y2
Q8312,Q8313
43
C2
21
YOUT
22
Cb OUT
23
Cr OUT
1
9
HS
2
4
VS
38
XTAL
X8301
16.2MHz
CN8301
CN9503
6
S4
6
10
Y4
10
8
C4
8
12
V4
12
L4
3
4
L4
4
R4
2
R4
2
TO 2/2
CN8601
CN9504
HP L
4
5
HP_L
5
HP R
3
HP_R
3
TO 2/2
HP SW
1
HP_SW
1
H1
Q9320
CN8504(1/2)
14
XCOM
A43
SUB_Y/V_2
Q9319
15
YCOM
A45
SUB_C/CB
Q9321
4
ZCOM
A47
SUB_CR_OUT
A
Q9318
B
B48
SECAM_SW
C
LED_SCL
B31
SCL
LED_SDA
A30
SDA
A39
ST_HSYNC
A41
ST_AFT
A25
MT_AFT
B26
MT_FMONO
A
B28
MT_HSYNC
A29
MT_APC_SW
TO
A31
MT_MODE
JI BOARD
CN1802
B30
MT_MSP_RESET
B20
SIRCS
Y
Y
B38
MAIN_YV_OUT
CB
B-Y
B40
MAIN_CB/C_OUT
CR
R-Y
B42
MAIN_CR_OUT
MAIN_SCLK
A21
MAIN_SCLK
MAIN_SDAT
A23
MAIN_SDAT
PF_SCLK
A17
PF_SCLK
PF_SDAT
A19
PF_SDAT
B9
1.8V
B4
B5
SET2.5V
B6
B1,A2
3.3VD
3.3VD
B2,B3
D5V-2
B8
SET5VD
B34
MS3.3V
MS3.3V
B36
STBY5V
B10
STBY5V
SET9V
B24
9V
J8501
IN
Q8501-8503,
Q8505-8507,
CONTROL-S
Q8509
CONTROL-S
OUT
BUFFER
J9502
Y
C
4
3
2
1
S VIDEO
V
VIDEO
VIDEO
IN4
L
L
(MONO)
AUDIO
R
R
J9500
(1/2)
INPUT
TERMINAL
KE-MR61M2 (CH)
3-5

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