Sony MEX-DV1700U / MEX-DV1707U Service Manual ▷ View online
MEX-DV1700U/DV1707U
MEX-DV1700U/DV1707U
29
29
5-14. SCHEMATIC DIAGRAM - KEY Board -
• See page 30 for IC Block Diagrams.
MAIN
CN402
C
(2/3)
BOARD
IC B/D
LED931, 933, 935, 937, 939, 941,
LED945, 947, 951, 953, 957, 961
(ILLUMINATION)
4.9
4.7
0
4.9
4.9
0
2.5
2.5
4.9
2.5
4.9
4.9
3.3
1.7
2.5
0
3.2
2.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
C905
0.1
C912
0.1
RT1N140C-TP-1
Q901
FB903
FB901
FB902
1k
R907
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D908
RKZ18B2KGP1
D906
RT6N140C-TP-1
Q931
R931
470
R933
R947
R949
R951
1000p
C916
1000p
C902
20P
CN901
1
USB_GND
2
USB_VBUS
3
D-
4
D+
5
GND
6
KEY_GND
7
AUX_L
8
AUX_R
9
AUX_GND
10
RE_0
11
RE_1
12
KEY_1
13
KEY_0
14
SIRCS
15
LCD_DATA
16
LCD_CE
17
LCD_CLK
18
ILL(FP+B)
19
PANEL_SW
20
GND
NESW505DT-A0-UV
LED901
D902
RKZ5.1B2KGP1
R998
10
1
2
3
4
4P
CN902
VCC
OUT
GND1
GND2
RS-470
IC902
1
2
3
4
J901
0
R999
0
R976
DA2J10100L
D901
LED951
LED953
LED957
LED961
LED931
LED933
LED935
LED937
LED939
LED941
LED945
LED947
IC901
1
NCO
2
BACK-LIGHT
3
COLOR1
4
COLOR2
5
SEG48
6
SEG47
7
SEG46
8
SEG45
9
SEG44
10
SEG43
11
SEG42
12
SEG41
13
SEG40
14
SEG39
15
SEG38
16
SEG37
17
SEG36
18
SEG35
19
SEG34
20
SEG33
21
SEG32
22
SEG31
23
SEG30
24
SEG29
25
SEG28
26
SEG27
27
SEG26
28
SEG25
29
SEG24
30
SEG23
31
SEG22
32
SEG21
33
SEG20
34
SEG19
35
SEG18
36
SEG17
37
SEG16
38
SEG15
39
SEG14
40
SEG13
41
SEG12
42
SEG1
1
43
SEG10
44
SEG9
45
SEG8
46
SEG7
47
SEG6
48
SEG5
49 SEG4
50 SEG3
51 COM4
52 COM3
53 COM2
54 COM1
55 SEG2
56 VDD
57 VDD1
58 VDD2
59 VSS
60 SEG52
61 INH
62 LCD_CE
63 LCD_CLK
64 LCD_DATA
LCD901
1
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
52
2
4
49
51
3
50
R969
R971
R973
R975
R965
R967
R937
R935
R939
R941
R943
R945
R953
R955
R957
R959
R963
R1000
R1003
R1005
LSW903
3
1
2
4
5
6
LSW906
3
1
2
4
5
6
LSW904
3
1
2
4
5
6
LSW901
(US)
(E (PAL), EA, IND)
3
1
2
4
5
6
LSW902
3
1
2
4
5
6
LSW905
3
1
2
4
5
6
LSW908
3
1
2
4
5
6
LSW907
3
1
2
4
5
6
R961
C909
18p
C911
18p
C910
18p
470
R917
470
R916
470
R915
C907
0.47
C908
0.1
0.1
C906
C904
0.1
1M
R914
R986
820
R985
1k
R984
1k
R983
1.2k
R982
1.5k
R981
1.8k
R980
2.2k
R908
120
R910
120
R909
120
R913
100
R911
150
R912
150
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
RE901
2
4
5
3
1
6
7
R901
0
R902
0
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[37]
S[38]
S[39]
S[40]
S[41]
S[42]
S[43]
S[44]
S[45]
S[46]
S[47]
S[48]
COM[4]
COM[3]
COM[2]
COM[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
DATA
CLK
CE
DATA
CLK
CE
LC75839PW
IC901
LIQUID CRYSTAL DISPLAY
IC902
S901
S902
S903
S904
S905
S906
ZAP
S907
5
KEY BOARD
DSPL
SCRL
6
u
SHUF
2
REP
1
SEEK +
SEEK -
MODE
SOURCE
OFF
ROTARY
(VOLUME)
PUSH SOUND/
ENTER
ENCODER
LIQUID CRYSTAL DISPLAY DRIVER
REMOTE CONTROL RECEIVER
AUX
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
SCM015BC7TT86P
(LCD BACK LIGHT)
LED DRIVE
LED DRIVE
CAT
PTY
PTY
470
470
470
1.2k
1.2k
1.2k
1.2k
470
470
560
1.2k
1.2k
1.2k
1.2k
470
470
470
470
180
180
180
180
1.2k
1.2k
560
16
8
I
14
2
15
12
A
D
5
B
7
C
17
6
11
3
H
F
13
G
9
E
10
1
J
18
4
VDR901
ALBUM
4
ALBUM
3
(Page 24)
Ver. 1.1
Note 2: IC901 has been changed in the midway of production. Moreover,
the KEY board has been changed simultaneously with it.
Before repairing, be sure to refer to “ABOUT CHANGE OF THE
LCD DRIVER IC (IC901) ON THE KEY BOARD” on page 6.
Note 1: Refer to the servicing notes “NOTE FOR REPLACEMENT
OF THE USB CONNECTOR (CN902) AND THE AUX
JACK (J901)” on page 5, if replacing CN902 and J901.
JACK (J901)” on page 5, if replacing CN902 and J901.
MEX-DV1700U/DV1707U
MEX-DV1700U/DV1707U
30
30
• IC Block Diagrams
– SERVO Board –
IC1 BH5510KV-E2
IC7 PCM1808PWR
IC6 PCM1680DBQ
PVCC21
24
16
HB
23
HUN
18
GND
15
HUP
VCC
17
CPH
14
SPCNF
VO3R
13
12
INSP 48
+
–
+
–
–
+
–
FG
3PHASE
HVN
20
HVP
19
+
–
PHASE
SHIFT
HB
OSC
T.S.D
OSC
PH
LOGIC
LIMIT
POWER
MOS
POWER
MOS
HWN
22
U
26
VO3F
11
PVCC1
10
VO2R
9
VO2F
8
PGND1
7
VO1R
6
VO1F
5
POWER
MOS
POWER
MOS
POWER
MOS
NF
AMP
PRE
DRIVER
PRE
DRIVER
PRE
DRIVER
PRE
DRIVER
PRE
DRIVER
FG
1
LOGIC
LOGIC
LOGIC
LOGIC
GVSW
RNF1
25
V
27
PVCC22
28
RNF2
29
W
30
VO5R
36
VO5F
35
PVCC3
34
POWER
MOS
VO4R
33
VO4F
32
NF
AMP
NF
AMP
NF
AMP
PGND3
31
HWP
21
GVSW
2
+
–
REVERSE
PROTECT
PROTECT
PRE
DRIVER
180DEG
MATRIX
MATRIX
CNF4 39
NF
AMP
CNF5 38
VREF 37
IN5 47
+
–
+
–
+
–
+
–
IN4 46
+
–
IN3 45
+
–
IN2 44
+
–
IN1 43
+
–
CNF1 42
CNF2 41
CNF3 40
BMSW
BMSW
3
STBY
STBY
4
MS/ADR 2
MC/SCL 3
SCK 5
DATA1 6
MD/SDA 4
ZERO1 1
FUNCTION
CONTROL
INETERFACE
BCK 7
LRCK 8
VDD 9
DGND 10
DATA2 11
DATA3 12
DATA4 13
DATA3 12
DATA4 13
MSEL 14
SERIAL
INPUT
INETERFACE
8
u
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SUPPLY
SYSTEM
CLOCK
ZERO2
28
VOUT1
27
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
VOUT2
26
VCOM
25
AGND2
24
VCC2
23
VOUT3
22
VOUT4
21
VOUT5
20
VOUT6
19
AGND1
18
VCC1
17
VOUT7
16
VOUT8
15
D/A
CONVERTER
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
3
VDD
DGND
4
5
5
LRCK 7
REFERENCE
u1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
SCKI 6
VREF 1
MEX-DV1700U/DV1707U
31
– MAIN Board –
IC1 TEF6617T/V1/S470, 518
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
LOUT 8
ROUT 9
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
GNDAUD 10
GNDRF 5
VCC+8.5V 6
AMRFAGC 7
AMIFAGC 11
MPXIN 12
AMOUT2
32
AMOUT1
31
AMIFAGC1
30
AMSELIN2
29
VCOLOOP
25
VCCVCO
24
VREF+4V
20
SDA
19
SCL
18
GNDDIG
17
GNDANA
23
AMSELIN1
28
TESTCT
27
VCOREF
26
VCC+8.5V
22
GREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
IC101 NJM2387ADL3 (TE2)
1
VIN
2
CONTROL
5
GND
3
VOUT
4
VA
D
J
BANDGAP
REFERENCE
OVER VOLTAGE
PROTECTION
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
ON/OFF
CONTROL
REGULATOR
IC102 BD7931F
POWER CMOS
H-BRIDGE
THERMAL
SHUT-DOWN
CONTROL
LOGIC
RIN
7
CONT
6
GND_S
5
FIN
8
OUT–
3
GND
4
VCC
1
OUT+
2
MEX-DV1700U/DV1707U
32
IC301 BD3467FV-E2
A1 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
OUTC
40
A2 2
B1 3
B2 4
CP1 5
CN 6
CP2 7
ISO
GND
AMP
ISO
GND
AMP
DP1 8
DN 9
DP2 10
ISO
GND
AMP
ISO
GND
AMP
EP1 11
EN 12
EP2 13
ISO
GND
AMP
ISO
GND
AMP
FP1 14
FN1 15
ISO
GND
AMP
FN2 16
FP2 17
MIN 18
SPA1 19
SPA2 20
ISO
GND
AMP
OUTS
39
OUTR1
38
OUTR2
37
OUTF1
36
OUTF2
35
INF2
34
IG1
28
IG2
27
VCC
26
INF1
33
INR2
32
INR1
31
INS
30
INC
29
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL
25
GND
24
SDA
23
SCL
22
MUTEB
21
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