Sony KE-MX37A1 / KE-MX37N1 / KE-MX37S1 Service Manual ▷ View online
KE-MX37A1/MX37S1/MX37N1 (E) 3-1
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
SDA
J8301
R
L
V
4
3
2
1
VIDEO
IN1
R
L
AUDIO
VIDEO
VG
VR
VB
Y
PR
PB
COMPONENT1
S1
Y1
C1
V1
L1
R1
R2
L2
V2
C2
Y2
S2
1
2
3
4
V
L
R
SCL
SDA
1
TO 2/2
L1/R1
L2/R2
L4/R4
L5/R5
SCL
RF AGC
AFT OUT
RESET_Q
APC_SW
R OUT
L OUT
DET OUT
J1103
H2
J1101
4
3
2
1
J1102
TO 2/2
4
HP L
R3
L3
3
TO 2/2
HP R
HP SW
TUNER
TU001
V
L
R
TERMINAL
INPUT
J8306
CN102
1
2
5
8
9
10
11
4
L_OUT
R_OUT
SDA
SCL
RESET_Q
APC_SW
DET_OUT
5V
4
11
10
9
8
5
2
1
CN8703
5V
9V
30V
9V
5V
CN8702
3
4
6
RF_AGC
9V
AFT_OUT
6
4
3
CN103
CN8701
9V
30V
5V
SCL
SDA
4
6
5
3
2
CN104
2
3
5
6
4
MAIN_SDAT
MAIN_SCLK
MT-L
MT-R
5V
+9V
Q8206
Q8203
MT-STEREO
Q8202
MT-AFT
MT-AGC
MAIN-SDAT
MAIN-SCLK
5V
+30V
+9V
S2 VIDEO
VIDEO
AUDIO
L
R
IN2
VIDEO
R
L
V
L4
R4
V
R
L
AUDIO
VIDEO
V4-Y
V4-PB
V4-PR
J8305
COUT3
YOUT3
73
72
76
77
SCL
SDA
PF-SCLK
PF-SDAT
IN4-C
9
IN4-Y
8
IN4-CV
7
6
Q8314,8316
Y
Q8318
Q8317
60
CROUT1
R-Y
59
C/CBOUT1
C/B-Y
VIDEO/Y
Q8315
IN10-L2/V
44
43
IN10-L1/H
42
IN10-CR
41
IN10-CB
IN10-Y
40
IN8-CR
28
IN8-CB
27
IN8-Y
26
IN6-S
16
17
IN6-CV
18
IN6-Y
19
IN6-C
IN5-C
14
IN5-Y
13
IN5-CV
12
IC8306
COP/CCP2
IN1-CV
79
11
IN5-S
CV/YOUT1
58
IN4-S
VIDEO
R
V5-Y
V5-PB
V5-PR
PR
PB
Y
AUDIO
L
R
H
V
L5
R5
V
H
J8307
2P
J8304
2P
3P
J8308
CVOUT3
71
IN9-Y
IN9-CB
IN9-CR
33
34
35
LPF
YCIN
SCL
SDA
PF-SCLK
PF-SDAT
YOUT
COUT
FSC
Q9202,Q9205,Q9208,Q9209
L9204
BUFFER
BUFFER
L9205
Q9203,Q9204,Q9207,Q9210
Q9213,Q9212
FL9200
15
16
25
27
19
7
Q9201
Q9200
Q8305
SECAM COLOR DECODER
IC8302
41
CVBS/Y3
39
C3
FSC OUT
46
Q9206,Q9211
Q8306,Q8307
Q8312,Q8313
Q8304
44
43
1
CVBS/Y2
C2
CVBS/Y1
G
R
TXET
IC8901
B
HSYNC
VDS
VSYNC
CVBSO
RESET
RESET
XTALIN
XTALOUT
SLLO
SDAO
Q8905
Q8904
Q8902
Q8906
SET5V
48
47
46
52
53
55
Q8907
31
RESET
73
72
Q8901
SET5V
70
71
12MHz
X8901
82
81
MAIN_SDAT
MAIN_SCLK
35
34
33
36
R2
G2
B2
YS2/YM
Q8308
Q8309
Q8311
IC8303
1
2
4
Q8310
21
22
23
9
4
83
X8301
16.2MHz
YOUT
Cb OUT
Cr OUT
HS
VS
XTAL
Y
Cb
Cr
CN8504(1/2)
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A20
B20
A22
A34
B34
B35
A36
B5
B6
B7
B8
B9
B14
B16
B17
B18
MT_AFT
MT_FMONO
MT_AGC
MT_HSYNC
MT_APC_SW
MT_MODE
MT_SAP
MT_MSP_RESET
SIRCS
MAIN_Y/CV_OUT
MAIN_C/CB_OUT
MAIN_CR_OUT
MAIN_SCLK
MAIN_SDAT
PF_SCLK
PF_SDAT
SET3.3V
SET2.5V
SET1.8V
7V
10V
STBY5V
MT_STEREO
A
TO J1 BOARD
CN1804
Y
CB
CR
MAIN_SCLK
MAIN_SDAT
PF_SCLK
PF_SDAT
SET3.3V
5V
REG
SET5V
REG
1.8V
1
3
IC8503
IC8505
IC8507
SET5VD
REG
5V
IC8504
SET9V
REG
9V
IC8002
SET5VA
REG
5V
IC8001
REG
5V
VIN
OSC
VD
TU33V
IC8502
DC-DC CONV.
4
1
VCC
Q8501-Q8507
Q8509
CONTROL-S
BUFFER
CONTROL-S
OUT
IN
J8501
J8502
SET2.5V
STBY5V
SET5VC
2
CN8301
1
3
5
7
9
11
S-SW3
Y3
C3
V3
L3
R3
11
9
7
5
3
1
6
4
2
HP SW
HP R
HP L
2
4
6
CN8601
CN9600
CN9601
S2 VIDEO
VIDEO
AUDIO
L
R
IN4
VIDEO
VCC
VCC
TU
(TUNER)
A(1/2)
(AV SW,INPUT TERMINAL)
MT_HSYNC
Q8201
VIDEO
AUDIO L/R
VIDEO
IC8902
4
Q8903
1
2
4
MT L/R
AUDIO L/R
S2 VIDEO
COMPONENT2
HD
VD
IC8308
OCE/ME MODEL ONLY
OCE/ME MODEL ONLY
IC9200
2DCOM COMB FILTER
EXCEPT WB MODEL
Y/B-Y/R-Y
Q8303
2
TO 2/2
Cb
Cr
Y
CB
CR
22
IN7-CV
EXCEPT WB MODEL
AUDIO L
AUDIO R
WB MODEL
TU2000 TUNER
NC
MUTE
MODE
SDA
RF AGC
ST LED
BIL LED
F MONO
AFT OUT
R OUT
L OUT
DET OUT
SCL
30V
9V
5V
Q8204
MT-R
MT-L
MT-MODE
MT-FMONO
MAIN-SCLK
MAIN-SDAT
5V
9V
30V
AUDIO R
AUDIO L
VIDEO
Y
B-Y
R-Y
WB MODEL
MT_SAP
KE-MX37A1/MX37S1/MX37N1 (E) 3-2
H1
(KEY, P-SW)
STBY5V
POWER
D1001
S1008
S1007
-
S1001
5
4
3
2
CN8005
5
4
3
2
KEY-WAKE
P-ON
KEY1
STBY5V
CN9501
A
TO J1 BOARD
CN1804
CN8504(2/2)
B24
A28
B28
A32
B42
B32
B39
A40
B40
A41
B41
A42
B48
B49
A50
SP_DC_PROT
MS_L_IN
MS_R_IN
FIX_VR
CENTER_POL
LINE_MUTE
A_MUTE
SP_MUTE
O_A_MUTE
P_MUTE1
HP_MUTE1
KEY
KEY_WAKE
P_ON
AUDIO R
AUDIO L
AUDIO L
AUDIO R
6
1
2
AINL
A/D CONVERTER
IC8601
SDTO
AINR
TO 1/2
3
5
11
MS_L
MS_R
IN8-L
22
23
IN8-R
IN1-R
8
7
IN1-L
R3
L3
IN4-R
IN4-L
R5
L5
IN3-R
10
4
IN3-L
R4
L4
IN5-R
14
13
IN5-L
R2
L2
L1
R1
IN7-L
19
20
IN7-R
ROUT1
37
IN10-R
29
MT_R
MT_L
39
LOUT1
1
TO 1/2
28
IC8304
AUDIO SW1
IN10-L
IN2-L
IN2-R
MCK
LRCK
BCK
PDN
11
13
12
5
4
6
9
10
8
11
10
12
13
IC8602
SCL
BCKO
LRCKO
MCK
DATAI
IC8603
AUDIO PROCESSOR
LEVEL
SHIFT
SDA
5
6
6
5
PF_SCLK
PF_SDAT
Q8601
25
30
32
31
DATA0
X1
X0
RST
10
11
9
10
8
6
4
5
11
13
12
3
1
2
RESET
13
SET2.5V
IC8606
1
2
AOUTL
PDN
AUDIO DAC
IC8605
DATA
BCK
LRCK
MCK
AOUTR
AUDIO PROCESSOR
IC8612
INA
INB
OUTA
OUTB
SCLK
SDAT
17
16
PF_SCLK
PF_SDAT
5
6
3
2
8
31
2
3
6
5
1
7
1
7
7
1
5
6
2
3
3
2
6
5
1
7
HP L
HP R
7
1
6
5
2
3
5
6
3
2
7
1
IC8611
IC8613
IC8608
IC8609
IC8610
IC8607
TO 1/2
4
CN8602
1
2
4
5
7
8
R-
R+
L-
L+
SP_MUTE
SP_DC_PROT
SP_DC_PROT
SP_MUTE
L+
L-
R+
R-
8
7
5
4
2
1
CN3001
IC3004
IC3003
1
7
2
3
5
6
5
6
2
3
7
1
5
6
7
1
2
3
OUT1
OUT2
IN1
IN2
IC3060
L/R AMP
MUTE
18
10
4
3
2
1
GND
L OUT
GND
R OUT
CN3062
Q3060
MUTE
PROT
Q3061-Q3063
3
23 AUDIO
AUDIO L
AUDIO R
AUDIO L
L
R
K
(AUDIO AMP)
R
L
J8302
Q8604
Q8605
2
TO 1/2
7
6
5
4
3
6
5
IC8616
3
2
11
12
13
14
15
1
4
Q8610
Q8609
35
33
LOUT2
ROUT2
FIX_L
FIX_R
IN6_L
IN6_R
16
17
1
2
3
SET9V
Q8320
BIAS
SW
IC8307
11
12
14
15
4
1
5
2
BIAS
Q8319
SET9V
SET9V
13
3
10
9
Q8321
6
5
7
IC8305
L_MUTE
A_MUTE
SP_MUTE
O_A_MUTE
P_MUTE1
HP_MUTE1
J8303
IC8615
6
5
3
2
7
1
7
5
6
1
2
3
IC8617
7
6
1
MUTE SW
Q8613-Q8615
Q8607
Q8608,Q8611
+7V
Q8726
D8725
D8721
D8720
D8719
D8718
P_MUTE1
A_MUTE
O_A_MUTE
SP_MUTE1
L_MUTE1
HP_MUTE1
Q8617
Q8618
Q8616
Q8612
J8309
CENTER
SPEAKER
(AUDIO PROCESSOR)
A(2/2)
WOOFER
OUT
IC8614
IC8618
Q8301
Q8302
FIX_L
FIX_R
IC8305
T8301
1
2
IC8604
3
4
5
3
2
6
11
10
2
37
AUDIO R
AUDIO L
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L/R
KE-MX37A1/MX37S1/MX37N1 (E) 3-3
13
12
11
10
9
8
7
6
5
3
2
EPM
BUSY
SCLK
RXD
TXD
CE
CNVSS
SCL_NVM
SDA_NVM
BINT
PF_SDAT
PF_SCLK
CN4401
14
O_A_MUTE
IC5002
M-CPU
15
16
13
14
A_FIX_VAR
O_P_MUTE
IO_BDAT
IO_BCLK
O_NVM_WE
47
31
I_SIRCS
O_STEREO_LED
O_POWER_LED
TIMER_LEB
PICOFF_LED
LOGO_LED
8
97
91
93
45
85
32
87
86
I_KEY
I_KEY_WAKE
CENT_ROL
I_MT_AFT
I_LB_ERR
B4
SYSTEM_RST
CN4100
2
TO2/2
VDD
3
VPP
DE4(1/2)
(CPU)
FIX_VAR
B5
P_MUTE1
B7
LINE_MUTE
A8
A_MUTE
B8
SP_MUTE
A9
HP_MUTE
B9
O_A_MUTE
A10
SP_DC_PROT
B10
SIRCS
B11
STBY_LED
B15
POWER_LED
A16
B16
A17
B17
KEY
A19
KEY_WAKE
B19
P_ON
A20
VP
B21
BD_RST
A22
CENTER_POL
B24
MT_AFT
A33
B33
A34
B34
A35
B35
A36
B36
A37
FAN
B37
A38
TEMPO
B38
A39
B39
AC_RLY
A41
AC_PWR
B41
PF_SDAT
A28
PF_SCLK
B28
B29
A30
VRP2
B43
SET9V
B42
STBY5V
B44
SET2.5V
B45
B46
TIMER_LED
PICKOFF_LED
LOGO_LED
MT_FMONO
MT_AGC
MT_HSYNC
MT_MSP_RESET
MT_MODE
MT_SAP
MT_STEREO
MT_APC_SW
FAN_ERR
TEMPO1
TEMP2
M_SDAT
M_SCLK
SET3.3V
B47
B48
SET5V
B49
B50
SET1.8V
29
100
4
5
6
7
Q5008
Q5003
9
27
95
26
28
52
51
SET9V
I_P_ON
IO_SCLK
IO_SDAT
O_MT_FMONO
O_AGC_ATT
I_MT_HSYNC
O_APC_SW
O_MSP_RESET
O_MODE
I_MT_SAP
I_MT_ST
THERMO_G
THERMO_PANEL
THERMO_HIC
Q5446,5447
PF_SDAT
PF_SCLK
M_SCLK
M_SDAT
SET9V
STBY5V
SET2.5V
SET3.3V
SET5V
SET1.8V
I_OSD_V
68
OSD_V
OSD_H
69
I_OSD_H
72
NC
74
O_YM
75
O_R6
76
77
78
79
80
O_R7
O_R6
O_R7
O_R6
O_R7
YM
YS
36
6
TO2/2
SET5V
REG
O_PF_RST
I_PF_IRG
O_PF_BINT
I_BINT
I_RESET
PROG
30
4
IC4404
RESET
SET3.3V
5
FAN_ERR
IO_SCLK
IO_SDAT
O_TXD
I_P6_1
12
37
36
29
30
47
O_NVM_WP
IO_BCLK
IO_BDAT
87
79
I_P6_0
CNVSS
I_RXD
O_L_MUTE
O_RESET
36
51
66
65
5
6
O_AMUTE
O_SP_MUTE
HP_MUTE
7
NVM
IC4402
Q4401
Q4402
PF_RESET
16
PXD_JIG
17
TXD_JIG
18
VDD
21
PROG
22
VPP
23
MAIN_RESET
24
SW3.3V
25
20
SW_1
7
2
3
4
5
6
8
10
11
13
25
24
22
21
20
19
18
17
16
15
14
PF_SCLK
PF_SDAT
SDA_NVM
SDA_NVM
18
48
3
88
40
12
SW3.3V
9
46
35
37
38
5
TO1/2
TO2/2
4
TO2/2
IC4103
SI0
SO0
4
1
2
Q4408
10
41
SUB CPU
IC4401
I_PWR_SW
I_BINT
O_PF_IRQ
I_RESET
6
1
5
2
3,7
IC5004
Q4405
IC4403
NVM
IC5003
5
6
7
SDA
SCL
WC
SCL_NVM
SDA_NVM
1
6
2
5
O_FAN
4
3
27
O_BUS_SW
Q4403
28
31
Q4404
IO_SCLK
IO_SDAT
SET5V
Q4407
Q4406
M_SDAT
M_SCLK
PF_SDAT
PF_SCLK
20
25
24
23
22
21
18
17
16
14
CN2401
PF_SCLK
11_SDAT
BINT
SDA_NVM
SCL_NVM
CNVSS
CE
TXD
RXD
SCLK
BUSY
2
3
5
6
7
8
9
10
11
12
13
26P
SW_1
SW3.3V
VPP
PROG
VDD
TXD_JIG
PXD_JIG
PF_RESET
EPM
MAIN_RESET
J2
CN2402
Q5441
3,7
TO
B
J1 BOARD
CN1805
D5003
SDAT
SCLK
WP
D5002
Q4400
KE-MX37A1/MX37S1/MX37N1 (E) 3-4
12
11
10
9
8
7
6
5
4
3
2
TE+
TE-
TD+
TD-
TCLK+
TCLK-
TC+
TC-
TB+
TB-
TA+
TA-
CN3302
13
7
6
5
4
2
PDWN
IRQ
PDP-GO
CPU-GO
SDA
SCL
CN3301
8
IC3301
LVDS TRANSMITTER
TA-
TA+
TB-
TB+
TC-
TC+
TCLK-
TCLK+
TD-
TD+
TE-
TE+
31
30
29
28
25
24
23
22
21
20
19
18
TA0-TA5
TD0,TD1
TE0,TE1
TD2,TD3
TB0-TB4
TA6
TD4,TD5
TC0-TC3
TB5,TB6
TE2,TE3
TE4,TE5
59,61
33-38
4,5
64
62,63
1,9,11
48-50
52-54
6,8
40-42
44-46
57
55
58
12
3
TC5
TC4
TC6
CLKIN
TD6
PWDN
13
IC3302
RESET
4
SW3.3V
2
TO PDP
UNIT
UNIT
TO PDP
CPU
IC3501(1/2)
RAO0
RAO9
GAO9
GAO0
BAO9
BAO0
VSO
HSO
DEO
CLKO
OFPARITY
426
399
427
373
454
VS
HS
BLK
CLK
PRTY
RAO0-RAO9
GAO0-GAO9
BAO0-BAO9
10
10
10
115
MREF
DDR SDRM
IC3602
VREF
58
A0-A11
BA0,BA1
DQ31
DQO0
DM0
DM3
12
32
4
EXTREF IN
6
SW3.3V
2,4
IC3603
DDRM TERM.SUPP.
BA0,BA1
DQS
CS
RAS
CAS
WE
23,24
29,30
94
28
27
26
25
56,57
WEN
CASN
RASN
CSN
DQS
BA0,BA1
DM3
DM0
DQ31
DQO0
BA0,BA1
A0-A11
19,45
8
43
44
18
67
RV10
RV17
GY10
GY17
BU10
BU17
VS1
DE1
CLKI1
HSCS1
IFLD0
INTVS0
INTVS1
INTVS2
PLLBP
CL_X
51
428
183
292
27
54
FIELD_DET
GY10-GY17
RV10-RV17
8
8
8
BU10-BU17
HSCS1
CLKI1
DE1
VS1
XTB
XTO
244
245
X3701
24MHZ
CPUA1
CPUA12
CPUAS-X
CPURD-X
CPUWRO-X
CPUWRI-X
CPUCLK
CPUCS-X
CPUD0
CPUD15
444
392
418
472
391
445
CBIN9
CBIN0
CROUT9
CROUT2
IC3806
DCP
IN
CLK
B0-B7
G0-G7
R0-R7
8
8
8
46-53
26-28
38-41
32-35
60
62
56
59
188
CBOUT2
CBOUT9
YGOUT2
YGOUT9
SW3.3V
171
X3801
24MHz
VIN
HIN
VOUT
DEN
CLKO
HOUT
RXT_X
4
2
RESET
IC3805
IC3804
RESET
4
2
SW2.5V
VS
DE
DCK
HS
YGIN9
YGIN0
199
165
164
OSD1RIN5
OSD1RIN7
OSD1GIN5
OSD1GIN7
OSD1BIN5
OSD1BIN7
147-149
137
140
125
129
130
136
158
157
111
106
160
159
R0-R2
G0-G2
B0-B2
YM
YS
OSD-H
OSD-V
YM1
YS1
OSD1HOUT
OSD1VOUT
SCL
SDA
2
TO1/2
6
Q3801
Q3802
LEVEL
SHIFT
CLK-1
DAT-1
RXIN0-
RECEIVER
IC3802
RXCLKOUT
RXOUT23
RXOUT27
RXOUT9-18
RXOUT1-8
RXOUT19-20
26
2
7
RXIN1-
RXIN1+
RXIN2-
RXIN2+
RXCLKIN-
RXIN3-
RXIN3+
RXCLKIN+
10
9
16
15
18
17
20
19
11
12
RXIN0+
14
13
11
10
8
7
5
4
2
1
RXIN3+
RXIN3-
RXCLK+
RXCLK-
RXIN2+
RXIN2-
RXIN1+
RXIN1-
RXIN0+
RXIN0-
CN3801
VCCI
A1-A20
PANEL MCU
IC3401
VCCI
64
74
1-4
103-109
111-118
120
D0-D15
85-100
RY/BY
40
SW1.8V
IC3403
FLASH MEMORY
A0-A19
D0-D15
48
16-25
1-9
29-36
38-45
11
28
26
WE
RY/BY
OE
CE
15
WRO
RD
CSO
58
79
59
72
71
70
81
20
A1-A20
16
D0-D15
12
A1-A12
16
D0-D15
CPUA1-CPUA12
12
AS
16
CPUD0-CPUD15
AS
RD
WR0
WR1
CS1
MCLK
CS0
X0
X1
53
54
SCL1
SDA1
FHP-CPUGO
FHP-PDPGO
P-ALARM
SO0
SI0
RESET
A23
INTVS1
CLS
PLLBP
SI1
SO1
39
38
36
35
33
26
25
76
7
16
17
18
66
67
28
29
X3401
16.5MHz
INTVS2
INTVS0
SI1
SO1
VCC
VOUT
IC3402
RESET
4
SW3.3V
2
4
TO1/2
TO1/2
5
13
14
15
THERMO G
THERMO PANEL
THERMO HIC
TO1/2
2
EEPROM
IC4001
SCL
SDA
WP
47
49
48
46
42
3
80
SW-1
6
5
7
SCL20
SCL21
SDA21
SDA20
NVM WP
10
10
Y0-Y9
C0-C9
1
2
4
IC3803
INV
VCC
VOUT
181
171
197
182
SI0
S00
FIELD-DET
DE4(2/2)
(MCU,LVDS TRANSMITTER)
TO1/2
2
10
4
8
8
3
1
SW3.3V
20-24
IC4002
SW
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