Sony KE-50MR1 Service Manual ▷ View online
KE-50MR1(AEP) 3-5
AC
AC
2
1
AC INLET
CN601
F601
RY601
TH601
D603
D604
D601
T603
10
1
8
3
5
4
PH601
4
3
2
1
IC602
REFERENCE VOLTAGE
A
K
3
2
IC601
DRIVER
4
7
8
2
1
5
VCC
DRAIN
SOURCE
SOURCE
FB
VDD
AC
AC
ST–BY 6V
POWER ON
GND
1
2
CN603
TO
G BOARD
CN1003
ALARM
GND
GND
GND
GND
VD
VD
NC
VS
VS
3
2
1
CN1005
TO
G BOARD
CN1005
1
2
3
4
5
6
7
8
9
10
CN652
TO
DISPLAY
UNIT BOARD
NC
GND
GND
GND
GND
VD
VD
NC
VS
VS
1
2
3
4
5
6
7
8
9
10
CN1010
T601, 602
LFT
Q601
RELAYDRIVE
T604
LFT
F(LINE FILTER)
F2
TO
G BOARD
CN1010
VD DISCHARGE
GND
VS DISCHARGE
3
2
1
CN653
TO
G BOARD
CN1011
D651
D652
Q652
SW
Q651
SW
J
K
I
H
KE-50MR1(AEP) 3-6
3-1-2. MEDIA RECEIVER UNIT (MBT-MR1)
Y
TO A(1/4) BOARD
CN4001
CN4001
W
U
C
T
KE-50MR1(AEP) 3-7
CVBS_TUN
GND_TUN
L_TVAU
AV_AGND
R_TVAU
AV_AGND
L_AVSW
AV_AGND
R_AVSW
FSW_SEL0
FSW_SEL1
FSW_AUTO
AVLINK_SC3
AVLINK_SC4
SC2_V MUT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
5V STBY
SCL
5V STBY
SDA
RESET
INT
BUSY
YS_TEXT
H_CD
GND_TEXT
GND
B_TEXT
GND_CD
GND_TEXT
V_CD
G_TEXT
GND_CD
GND_TEXT
GND
R_TEXT
GND_CD
GND_TEXT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN6001
CN6006
TO
U BOARD
CN6503
IC6012
PAINTERII
IC6019
NAND
IC6014
AV LINK SW
IC6016
IC6017
RGB_EN
SDA_P2
SCL_P2
D_GND_P2
CVBS_MON
A_GND_P2
R_TXT
A_GND_P2
G_TXT
A_GND_P2
B_TXT
A_GND_P2
H_CD
A_GND_P2
V_CD
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN6005
TO
U BOARD
CN6502
L_HP
GND
R_HP
GND
L_PC
GND
R_PC
1
2
3
4
5
6
7
CN6003
TO
H2 BOARD
CN9054
TO
A(1/4) BOARD
CN4002
FSW_SEL0
FSW_SEL1
FSW_AUTO
ROMBK_1
ROMBK_0
AVLINK3
AVLINK4
AVL_OUT
AVL_IN
SCLO
SC2_V_MUT
SDA0
XTAL OUT
XTAL IN
VDS
INT
BUSY
VSYNC
HSYNC
R–TXT
G–TXT
B–TXT
TXT VIDEO
CENTER_POL
SCL
SDA
WC
COINCIDENCE
D(0)
D(7)
A(0)
A(17)
PSEN
RD
WR
RESET–AUDIO
AGC_MONITOR
AGC_DEFEAT
RESET
SCL1
SDA1
INVM_WP
OI1
CTL1
CTL2
IC6013
FSW BUFF
IC6015
AV LINK IC
Q6011
IC6007
HP AMP
LOUT
ROUT
LIN
RIN
IC6005
AV SW
SC1_OUT_L
SC1_OUT_R
SC1_IN_L
SC1_IN_R
XTAL_IN
XTAL_OUT
POWER ON_RESET
SC2_OUT_L
SC2_OUT_R
SP_OUT_L
SP_OUT_R
SC3_OUT_L
SC3_OUT_R
VIDEO
FM/AM
QSS
AGC
SDA
SCL
AHVSUP
MONO_IN
SC1_IN_L
SC1_IN_R
SC2_IN_L
SC2_IN_R
IF_IN1
SC3_IN_L
SC3_IN_R
SCL
SDA
IC6018
RESET
Q6015
RESET
RESET
Q6016
MUTE SW
RESET
VCC
IC6006
V REF
IC6008
33V REG
IC6004
D1/CENT SW
3.3V
IC6021
NEW OTP+ SOCKET
IC6020
256K SRAM
IC6011
EEPROM
D(0)
D(7)
A(0)
A(17)
G
D(0)
D(7)
A(0)
A(17)
WE
OE
Q6012
–5V
Q6013, 6014
A12V
Q6017
MUTE
Q6018
MUTE
Q6000
BUFF
Q6002
5V REG
TU6001
TUNER
Q6006, 6007
BUFF
Q6004, 6005
BUFF
FL
Q6008, 6009
BUFF
X6001
18,432MHz
X6002
12MHz
2Y
2X
X–COM
Y–COM
VIN
SW
A12V
33V
IC6002
9V REG
I
O
A12V
A9V
+9V
IC6001
5V REG
IC6003
AUDIO–BUFF
VCC
Q6001
BIAS
T6001
TRANSFORMER
OUT
A6V
A5V
Q6010
9V
9V
9V
CEN TER(+)
CEN TER(–)
1
2
CN6002
TO
U BOARD
CN6504
TU(TUNER, AV SWITCH, PAINTER)
Q6003
2
6
16
17
3
78
79
57
58
95
94
59
33
23
24
23
15
8
3
19
9
10
25
6
22
73
6
5
7
83
84
98
96
52
97
29
55
71
70
71
72
48
47
46
32
93
53
80
81
82
1
5
7
1
3
7
6
36
37
57
56
27
34
21
28
24
25
33
60
47
48
53
54
50
51
2
3
67
39
12
2
4
4
1
2
9
11
8
4
2
1
1
3
3
1
1
6
1
6
1
1
5
6
6
13
2
3
15
9
10
85
92
13
15
10
•
15
17
21
2
12
25
30
7
31
21
23
5
32
25
29
1
4
9
16
17
20
40
36
27
26
AUDIO
VIDEO
AUDIO L/R
AUDIO L/R
VIDEO
AUDIO L
AUDIO R
VIDEO
T
D
W
V
T
GND_MS
L_MS
R_MS
GND_FIX
GND
L_FIX
6V
GND_FIX
6V
R_FIX
R_FIX
R_FIX
R_FIX
L_SEL
R-SEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
18
CN6004
TO
A(4/4) BOARD
CN5201
X
KE-50MR1(AEP) 3-8
Y
TO TU BOARD
CN6501
CN6501
TO TU BOARD
CN6008
CN6008
V
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