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KE-MR50M2
Service manual
A(2/2), H1(2/2), H2, H3 And Spm Boards - Sony KE-MR50M2 Service Manual
Flat panel color tv
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(2) A(2/2), H1(2/2), H2, H3 and SPM Boards
AUDIO L
MT_L
MT_R
AUDIO R
ST_MONO
L1
R1
1
L2
R2
TO 1/2
L3
R3
CM_L1
CM_R1
CM_L2
CM_R2
L4
3
R4
TO 1/2
MS_L
MS_R
PF_SCLK
PF_SDAT
CN8201
TO
9V
1
SET9V
ANT SW
ATT_SW
2
Q8209
CN8504(2/2)
ATT_SW
A37
MS_L_IN
A44
MS_R_IN
A46
CENTER_POL
B22
L_MUTE
LINE_MUTE
A11
A_MUTE
A
A_MUTE
B16
HP_SW
HP_SW
A13
TO
O_A_MUTE
O_A_MUTE
A15
JI BOARD
P_MUTE1
CN1802
P_MUTE1
B14
HP_MUTE1
HP_MUTE1
B18
MS AC DET
A49
AC_RELAY
A35
CN8302
J9900
CN9900
+
CENTER
1
CENTER+
1
-
SPEAKER
2
CENTER-
2
T8301
SPM
CN8702
AC DET
AC DET
1
PSW
P SW(-)
2
AC RLY
AC RLY
3
B
FAN-ERR
4
MS DET
7
TO
FAN ON/OFF
9
G BOARD
CN6005
FAN H/L
10
CN8703
D5V
1
D5V-2
IC8202
A5V
3
SET5V-3
C
DC/DC CONVERTER
33V
5
TU33V
11
TO
STBY5V
7
STBY5V
VOUT
12
G BOARD
SET11V-2
VOUT
CN6003
13
CN8704
VOUT
6
14
SET11V
1
VCC
VOUT
SET11V
2
D
IC8204
REG SW
5
1
2
TO
MS11V
6
2.5V REG
G BOARD
CN6004
IC8203
1
2
3.3V REG
CN8705
E
SET9V
3
SET9V
TO
G BOARD
CN6002
A(2/2)
(AUDIO PROCESSOR)
IC8304
IC8601
AUDIO SW1
A/D CONVERTER
28
39
AUDIO L
2
6
IN10_L
LOUT1
AINL
SDTO
29
37
1
IC8602
AUDIO L/R
IN10_R
ROUT1
AINR
AUDIO R
13
25
11
11
12
IN9_L
MCK
26
IN9_R
13
4
IN5_L
14
10
6
5
IN5_R
LRCK
19
IN7_L
20
10
IN7_R
4
12
8
9
IN2_L
BCK
5
IN2_R
PF_SCLK
10
IN4_L
PF_SDAT
11
13
IN4_R
PDN
1
IN1_L
2
IN1_R
7
35
FIX_L
IN3_L
LOUT2
8
33
FIX_R
IN3_R
ROUT2
22
16
IN8_L
IN6_L
23
17
IN8_R
IN6_R
31
SCL
32
SDA
SET9V
IC8307
IC8305(1/2)
Q8320
SW
2
1
BIAS
11
3
12
13
14
15
Q8319
4
BIAS
1
3
SET9V
5
2
A
B
10
9
Q8321
SET9V
C(+)
5
7
C(-)
6
IC8305(2/2)
RESET_4114
CN8701
1
KEY_WAKE
2
LOGO_LED
POWER LED
3
UPD_LED
L8211
SET3.3V-2
4
KEY2
6
KEY1
PSW
7
P_SW
L8212
3.3VD
8
P_ON
STBY5V
10
STBY 5V
LED_SCL
12
SCL
SET2.5V
LED_SDA
13
SDA
CN8005
MS3.3V
2
P_ON
3
KEY1
4
KEY2
POWER LED
5
POWER_LED
6
LOGO_LED
7
KEY_WAKE
AC DET
9
AC_DET
RESET_4114
10
RESET_4114
11
FAN_ERR
12
FAN H/L
13
FAN ON/OFF
IC8603
IC8605
AUDIO PROCESSOR
IC8604
AUDIO DAC
25
3
10
DATAI
DATA0
AUDIO L
9
8
4
11
DATA
AOUTL
30
10
MCK
AOUTR
AUDIO R
32
10
LRCKO
X1
X8601
36MHz
11
X0
31
BCKO
13
5
Q8601
RST
PDN
5
5
SCL
LEVEL
6
6
SHIFT
SDA
4
5
6
3
BCK
13
12
11
2
LRCK
1
2
3
6
MCK
IC8606
2
1
D5V-2
RESET
HP_SW
SET9V
Q8617
Q8616
Q8618
P_MUTE1
D8718
A_MUTE
D8719
D8617
LINE MUTE
D8720
Q8607
Q8608,Q8611
O_A_MUTE
D8725
WOOFER_MUTE
L_MUTE
Q8726
HP_MUTE1
CN9502
1
Q9502-9504
D9527
2
3
LED
S9500
4
D9523
DRIVER
6
7
8
10
STBY5V
IC9600
12
LED DECODER
13
3
Q9600-9604
DAC4
15
4
Q9606
SCL
DAC3
14
5
D9600-9602
SDA
DAC2
D9604,9605,9607
6
DAC1
LED
7
DRIVER
DAC0
G
H1(2/2)
( KEY IN/LED)
TO
J1 BOARD
CN1804
IC8612
IC8611
AUDIO PROCESSOR
BUFFER
IC8015
IC8608
2
AUDIO ADC
AUDIO L
1
3
2
8
3
1
INA
OUTA
2
VINL
DATAO
37
INB
31
5
AUDIO R
OUTB
7
5
BCKO
6
7
6
VINR
WSO
17
SET9V
PF_SCLK
SCL
17
18
SCLK
PF_SCLK
PF_SDAT
SDA
16
Q8606
SDAT
PF_SDAT
BIAS
5
Q8621
SET3.3V
RESET
IC8607
3
1
2
5
7
6
Q8604
SET9V
Q8619
Q8605
Q8620
INITIAL MUTE SWITCH
IC8618
IC8616
7
FIX_L
6
5
4
5
7
3
6
11
FIX_R
12
13
14
3
1
15
2
Q8609
Q8610
IC8615
2
1
5
IC8617
3
7
7
6
6
1
2
6
1
5
3
IC8614
Q8613-Q8615
MUTE SW
CN9501
CN9700
CN9701
1
KEY_WAKE
1
3
KEY_WAKE
2
KEY1
2
1
KEY1
4
KEY2
3
S9700,
S9702-9706
H2
(KEY IN)
CN9800
S9800-9806
3
KEY_WAKE
1
KEY1
H3
(KEY IN)
IC8018
DIGITAL AUDIO
TRANCEIVER
CN8003
9
28
16
F
DAUX
TX1
2
SPDIF_TX
7
26
TO
BICK
M(1/2)BOARD
8
24
LRCK
CN3402
30
XTI
X8009
12.288MHz
XTO
29
34
SCL
33
SDA
Q8091,8092
31
SET9V
RESET
HP L
HP R
HP_SW
4
TO 1/2
Q8301
J8302
Q8302
2
TO 1/2
VIDEO
L
AUDIO
VIDEO OUT
R
(VAR/FIX)
7
5
TO 1/2
Q8612
KE-MR50M2 (CH)
3-5
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