Sony KE-MR50M2 Service Manual ▷ View online
KE-MR50M2 (CH) 3-22
(2) Schematic Diagram of F Board
1
A
B
C
D
E
F
2
7
6
5
4
3
+6V
2.8
0.4
17.5
2.2
1.1
5.6
2.9
5.6
7.9
8.0
AC INLET
250V
T10A
F601
SOURCE
SOURCE
DRAIN
VDD
FB
CL
VCC
B-SS12581<HK.>-F..
(LINE FILTER)
F
RELAY DRIVE
CN1005
TO G BOARD
CN1003
TO G BOARD
AC
AC
AC
AC
GND
POWER ON
ST-BY 6V
1
2
3
A
K
~
~
+
-
1
2
3
4
5
7
8
1
2
1
2
1
2
3
1
3
4
5
6
7
8
9
10
11
C608
C610
R605
R606
R607
C620
R608
R609
R610
R611
D605
C601
C602
C603
C604
C612
C617
C621
CN603
CN604
D601
L602
TH601
R603
R604
CN601
R614
C607
D602
IC601
D603
D604
C618
C623
VDR601
VDR602
R615
IC602
C622
C609
C611
C619
Q601
R616
VDR603
PH601
C605
RY601
C613
R601
T601
T602
T604
T603
0.1
25V
25V
B:CHIP
0.1
25V
25V
B:CHIP
470
:CHIP
22k
:CHIP
15k
:CHIP
47
:CHIP
15k
:CHIP
2200p
:CHIP
:CHIP
4.7k
:CHIP
15k
:CHIP
MA113
4700p
500V
:E
4700p
500V
:E
4700p
500V
:E
4700p
500V
:E
10
470p
250V
250V
:B
100
10V
10V
2P
3P
DF06M
10µH
390k
:CHIP
56
1/4W
:FPRD
2P
:VH
8.2
1W
:RS
2200p
500V
:E
EG01CV1
MIP2C20MP1SO
D1NL20U-TR2
D1NL20U-TR2
1000p
B:CHIP
1000p
B:CHIP
ERZV14D621
ERZV14D621
0.47
1/4W
1/4W
:FPRD
MM1431ATT
0.01
B:CHIP
1
275V
ECQ-UL
1
275V
ECQ-UL
470
25V
:ZL
25V
:ZL
2SD2114K
1k
:CHIP
ERZV10D621
PC123Y22JOOF
22
450V
470p
630V
630V
R:CHIP
100k
1W
:RS
8MH
8MH
10MH
ST-BY TRANSFORME
6V
1
2
4
3
1
2
4
3
1
2
4
3
C601
C602
C603
C604
C605
C607
C608
C609
C610
C611
C612
C613
C617
C618
C619
C620
C621
C623
CN601
CN603
CN604
D601
D602
D603
D604
F601
FH601
FH602
IC601
IC602
L602
PH601
R601
R602
R603
R604
R605
R606
R607
R608
R609
R614
R615
R616
RY601
T601
T602
T603
T604
TH601
VDR601
VDR602
VDR603
1
2
3
A
B
C622
D605
Q601
R610
R611
1
2
3
A
B
<CONDUCTOR SIDE>
<COMPONENT SIDE>
F
[LINE FILTER]
— F BOARD —
•
F BOARD SEMICONDUCTOR LOCATION
IC
IC601
A-2
IC602
A-1
TRANSISTER
*
Q601
A-1
1
*
: Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 3-13)
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
DIODE
*
D601
A-3
-
D602
A-2
-
D603
A-2
-
D604
A-1
-
D605
A-1
3
KE-MR50M2 (CH) 3-24
G
[POWER]
— G BOARD —
<COMPONENT SIDE>
1
2
3
4
5
6
7
A
B
1
2
3
4
5
6
7
A
B
<CONDUCTOR SIDE>
•
A BOARD SEMICONDUCTOR LOCATION
IC
IC6001
B-4
IC6002
A-4
IC6003
A-5
IC6004
B-4
IC6005
A-3
IC6006
A-1
IC6007
A-3
IC6009
A-2
IC6010
A-2
IC6011
B-3
IC6751
A-1
TRANSISTOR
*
Q6001
B-2
2
Q6002
B-4
1
Q6003
B-4
-
Q6004
B-5
-
Q6005
B-5
2
Q6006
B-5
2
Q6007
B-4
2
Q6008
B-4
1
Q6009
B-4
2
Q6012
B-3
-
Q6013
B-4
2
Q6014
A-4
1
Q6752
A-7
1
*
: Refer to Terminal name of semiconductors in silk screen
printed circuit (see page 3-13)
DIODE
*
D6001
B-2
3
D6002
B-2
3
D6003
B-6
-
D6004
A-7
-
D6005
A-3
-
D6006
A-4
3
D6007
A-6
-
D6008
A-4
-
D6009
B-2
3
D6010
B-6
-
D6011
B-6
-
D6012
B-6
-
D6013
B-6
-
D6014
B-5
-
D6015
A-5
-
D6016
B-5
-
D6017
B-5
3
D6018
B-3
-
D6019
B-3
-
D6020
A-2
-
D6021
A-2
3
D6022
A-3
-
D6023
A-4
3
D6024
A-4
3
D6025
B-4
3
D6026
B-3
3
D6027
B-4
3
D6028
B-4
3
D6029
B-3
3
D6030
B-3
3
D6031
A-2
3
D6032
B-3
-
D6033
A-4
-
D6034
A-3
3
D6035
A-4
3
D6036
B-4
3
D6037
A-4
3
D6038
A-4
3
D6101
A-1
3
D6754
A-6
3
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
KE-MR50M2 (CH) 3-25
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
(4) Schematic Diagram of K Board
+12V
+3.3V
+3.3V
1
3.4
0
3.4
0
2.4
0
1.7
1.7
1.7
0
1.7
1.7
1.7
1.7
0
3.4
3.4
3.4
3.4
3.4
3.4
0
0
0
0
3.4
0
21.5
26.3
22.1
26.3
0
25.8
25.7
12.7
12.6
12.6
12.7
25.7
12.6
13.3
TO DEM(2/7)
6.3A
F3002
0.315A
F3003
6.3A
F3001
RX3
AVSS
RX2
TEST1
RX1
AVSS
RX0
AVSS
VCOM
AVDD
INT1
R
RX4
NC
RX5
TEST2
RX6
NC
RX7
IIC
P/SN
XTL0
XTL1
VIN
TVDD
NC
TX0
TX1
BOUT
COUT
VOUT
DVDD
LRCK
MCK01
DVSS
UOUT
INTO
CADO
SCL
SDA
CADI
PDN
XTI
XTO
DAUX
MCKO2
BICK
SDTO
AVDD1
XTL_OUT
XTL_IN
OSL_CAP
AVSS1
DEM_EN
DEM_SEL
FTEST
STEST
DBSPD
MUTE
DVSS3_L
NC
DVDD
NC
M_S
VALID_R
PDN
RESET
AVSS2
PLL_FLT_RET
PLL_FLT_OUT
AVDD2
MCLK_IN
DVSS3_R
VALID_L
MOD1
MOD0
MOD2
SDIN
LRCLK
SCLK
MCLK_OUT
DVSS1
DVDD1
DVSS1
DVDD3_L
PWM_AP_L
PWM_AM_L
NC
NC
DVDD2
DVSS2
PWM_AP_R
NC
NC
DVDD3_R
PWM_AM_R
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
CN3301
BOARD
SPEAKER
R
L
CN1006
TO G BOARD
DET LEVEL
OVER OUTPUT DET
OVER OUTPUT DET
OVER OUTPUT DET
22V REG
MUTE CTRL
PWM PROCESSOR
DIGITAL AUDIO
OVER OUTPUT DET
(SPEAKER PROTECT CTRL)
AND GATE
DIGITAL AUDIO RECEIVER
PWM POWER OUTPUT
(AUDIO OUT)
K
B-SS12581<HK.>-K..
SCL2
SDA2
GND
+3.3V
GND
SPDIF
PWM_AP
PWM_AM
ERR0
ERR1
SHOTDOWN
DVDD
DVSS
DVSS
DVSS
BIAS_A
VRFILT
BIAS_B
PWDN
RESET
PWM_BM
PWM_BP
PVDDA2
LDROUTA
BOOTSTRPA
PVDDA1
PVDDA1
OUTPVTA
OUTPVTA
PVSS
PVSS
OUTPVTB
OUTPVTB
PVDDB1
PVDDB1
BOOTSTRAPB
LDROUTB
PVDDB2
AUDIO_Vcc
AUDIO_Vcc
GND
L+
L-
R-
R+
GND
PGND
GND
MUTE
RES
+12V
GND
GND
GATE DRIVE
SP_PROT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
C3005
FB3001
L3002
FB3004
FB3005
FB3006
C3001
C3015
C3018
C3021
X3001
C3025
C3029
C3030
C3031
L3003
C3026
C3034
JL3010
JL3011
JL3015
JL3021JL3023
JL3024
JL3025
JL3001
JL3002
C3051
D3002
Q3001
TP3001
TP3002
TP3003
TP3004
TP3005
TP3006
TP3007
C3042
C3043
C3044
C3054
C3055
JL3032
R3031
R3032
R3033
R3034
C3007
C3027
C3028
C3033
C3035
C3036
C3037
C3058
C3059
L3001
L3006
R3022
R3023
R3026
R3027
R3028
R3029
R3035
R3036
R3041
R3042
R3061
R3062
JL3004
D3004
D3005
D3006
JL3018
JL3026
JL3019
JL3027
JL3031
JL3033
CN3001
CN3002
CN3003
R3063
R3064
R3030
C3056
C3057
IC3001
L3004
L3005
JL3007
JL3006
JL3016
JL3017
JL3034
C3024
C3032
IC3002
IC3003
C3045
C3046
C3049
C3050
C3065
C3067
IC3004
Q3007
Q3002
C3066
D3011
D3012
R3069
D3007
D3008
D3009
D3010
D3015
D3013
D3014
D3016
C3002
C3003
C3004
C3006
C3008
C3009
C3010
C3011
C3012
C3013
C3014
C3017
C3022
C3023
C3038
C3039
C3047
C3048
C3052
C3061
C3062
C3063
C3064
D3003
FB3008
R3001
R3002
R3003
R3004
R3007
R3008
R3009
R3011
R3012
R3013
R3014
R3015
R3016
R3019
R3020
R3037
R3038
R3039
R3040
R3045
R3046
R3047
R3048
R3049
R3050
R3051
R3052
R3054
R3060
R3072
R3073
R3074
R3075
R3076
R3077
R3078
R3079
R3080
R3081
R3082
R3083
R3084
R3085
Q3006
Q3005
Q3003
C3068
JL3005
JL3030
JL3003
JL3008
JL3035
R3043
R3044
JL3009
FB3002
FB3003
R3010
JL3012
JL3013
JL3014
C3016
JL3022
JL3028
JL3029
JL3020
R3070
R3071
Q3004
R3053
D3017
D3018
10µH
:CHIP
BK1608HS601
100
16V
16V
:AL-CP
BK1608HS601
BK1608HS601
BK1608HS601
100
16V
16V
:AL-CP
100
16V
16V
:AL-CP
100
16V
16V
:AL-CP
100
16V
16V
:AL-CP
24.576MHz
0.033
B:CHIP
0.1
B:CHIP
0.1
B:CHIP
0.022
B:CHIP
10µH
:CHIP
0.1
B:CHIP
0.022
B:CHIP
0.1
B:CHIP
MA111TX
DTC114EE
10
35V
:AL-CP
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
4.7
:CHIP
4.7
:CHIP
4.7
:CHIP
4.7
:CHIP
100
16V
16V
:AL-CP
0.47
B:CHIP
0.47
B:CHIP
1
4700
35V
4700
35V
4700
35V
0.1
0.1
100µH
10µH
1
1
2k
1/2W
2k
1/2W
2k
1/2W
2k
1/2W
2k
1/2W
2k
1/2W
2k
1/2W
2k
1/2W
10
:FPRD
10
:FPRD
MA113
MA113
MA113
11P
1.5MM
4P
5P
22
:CHIP
22
:CHIP
3.3k
1W
:RS
0.22
0.22
AK4114VQ
22µH
22µH
0.033
B:CHIP
1
TAS5001PFBR
TAS5101DAPR
4.7
25V
25V
100
35V
35V
SN74LV08APWR
2SD874A-R-TX
2SD874A-R-TX
47
25V
4700µF
25V
:LXZ
4700µF
25V
:LXZ
4700µF
25V
:LXZ
4700µF
25V
:LXZ
UDZSTE-1730B
UDZSTE-1730B
0
:CHIP
MA111TX
MA111TX
MA111TX
MA111TX
UDZSTE-1730B
UDZSTE-1730B
UDZSTE-1730B
UDZSTE-1730B
0.47
10V
B:CHIP(1608)
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
18p
CH:CHIP
18p
CH:CHIP
0.047
16V
B:CHIP
4700p
50V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1 16V B:CHIP
680p
B:CHIP
680p
B:CHIP
680p
B:CHIP
680p
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
0.1
16V
16V
B:CHIP
2200p
16V
B:CHIP
0.1
16V
16V
B:CHIP
2DZ22-TPH3
BLM11P300S
0
:CHIP
470
:RN-CP
4.7k
:CHIP
18k
:CHIP
10k
:CHIP
100 :CHIP
100 :CHIP
10
:CHIP
10 :CHIP
10 :CHIP
10 :CHIP
220
:CHIP
0
:CHIP
22K :CHIP
22K :CHIP
0 :CHIP
10
:CHIP
10k
:CHIP
10k
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
10k
:CHIP
10
:CHIP
0
:CHIP
10
:CHIP
10
:CHIP
4.7k
:CHIP
10k
:CHIP
10k
:CHIP
1k
:CHIP
1k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
100
:CHIP
150k
:CHIP
150k
:CHIP
150k
:CHIP
150k
:CHIP
22k
:RN-CP
22k
:RN-CP
2SC2712
2SC2712
2SC2712
220
35V
35V
0
:CHIP
0
:CHIP
BK1608HS601
BK1608HS601
10 :CHIP
0.1
16V
16V
B:CHIP
100
:CHIP
100
:CHIP
2SA1037
0
:CHIP
MA111TX
MA111TX
3.3V
SDA2
SCL2
SCL2
SDA2
1
2.8V
P-P
(24.576MHz)
•K BOARD WAVEFORM
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