Sony MEX-DV900 / MEX-DV90EE Service Manual ▷ View online
MEX-DV90EE/DV900
MEX-DV90EE/DV900
21
21
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
SYSTEM CONTROLLER
IC503 (3/3)
LCD DRIVER
IC901
B/U B+
B/U +3.3V
M901
(FAN)
LCD901
LIQUID
CRYSTAL
DISPLAY
DISPLAY B+
LCD_DATA
1
LCD_CLK
2
LCD_CE
100
KEYACK0
89
RE_0
91
RE_1
92
SIRCS
34 REG5
4
XOUT
87, 88
KEYIN0, KEYIN1
S901 – 904,
LSW901 (1/2) – 911 (1/2),
RE901 (1/2)
ROTARY
ENCODER
REMOTE CONTROL
RECEIVER
IC971
13
XIN
15
X502
6MHz
X501
32.768kHz
XCOUT
11
XCIN
10
37 REG2
DISPLAY B+
B+
CN801 (2/2)
19
ANT-R
6
ACC
PARKING
7
15
ACCIN 55
RESET 12
BU_IN 19
FSW_OUT 24
3.3V_ON 23
ACCESSORY
CHECK
Q802
PARKING 54
D818
D810
BATTERY
CHECK
Q501 – 503
M
VP 35
SW2 27
AMP-R
5
D809
SW1 29
VP2 6
VP1 20
LED941 – 945,
LED951 – 953,
LED951 – 953,
LSW901 (2/2) – 911 (2/2)
(KEY ILLUMINATION)
+3.3V
REGULATOR
IC501
D+3.3V
AUDIO +8.3V
30 REG1
TU +5V
+5V
REGULATOR
Q201
DR+5V
VIDEO +3.3V
33 REG4
+3.3V
REGULATOR
IC17
RESET SIGNAL
GENERATOR
IC502
S501
RESET
REGULATOR
IC802 (2/2)
D+1.8V
V_IN 1
2
6
SW
RT
FSW_IN 27
7
EN
OSC
Q404
DC/DC CONVERTER
IC601
PUSH SOUND/
ENTER
RE901 (2/2)
+1.8V
REGULATOR
IC101
64
63
62
63
62
5 – 50, 55, 60
S1 – S48
51 – 54
COM1 – COM4
BACK-LIGHT
1
DIMMER
2
LED DRIVE
SWITCH
Q932
DIMMER
SWITCH
Q931
LED931
(LCD BACK LIGHT)
DI
CL
CE
CE
MEX-DV90EE/DV900
MEX-DV90EE/DV900
22
22
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
•
C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
• Power voltage is dc 14.4V and fed with regulated dcpow-
er supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
( ) : DVD PLAY
• Voltages are taken with VOM (Input impedance 10 M
( ) : DVD PLAY
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: DVD/CD PLAY (AUDIO)
L : DVD/CD PLAY (VIDEO)
f
:
TUNER
(FM/AM)
j
:
AUX
IN
• Abbreviation
IND
IND
: Indian model
For Printed Wiring Boards.
Note:
•
•
X : parts extracted from the component side.
•
Y : parts extracted from the conductor side.
• f : internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
• SERVO board is multi-layer printed board.
However, the patterns of intermediate-layer have not been
However, the patterns of intermediate-layer have not been
included in this diagrams.
• Abbreviation
IND
IND
: Indian model
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
• Waveforms
– SERVO Board –
– SERVO Board –
20.8
μs
3.9 Vp-p
IC4 [D[ (ALRCLK)
2 V/DIV, 10
μs/DIV
IC4 [DY (ABCLK)
2 V/DIV, 100 ns/DIV
324 ns
4.6 Vp-p
IC4 [DW (AMCLK)
2 V/DIV, 20 ns/DIV
4.9 Vp-p
81.6 ns
IC4 [C (XO)
500 mV/DIV, 10 ns/DIV
37 ns
1.2 Vp-p
IC4 [
[ (DAC6 (CVBS))
(Color bar)
(Color bar)
500 mV/DIV, 20
μs/DIV
H
1.1 Vp-p
IC4 [D (RFP), [W (RFN)
(DVD play mode)
(DVD play mode)
200 mV/DIV, 200 ns/DIV
0.4 Vp-p
RB
IC503 RB (XCOUT)
2 V/DIV, 20
μs/DIV
30.8
μs
2.9 Vp-p
RT
IC503 RE (XOUT)
2 V/DIV, 100 ns/DIV
168 ns
3.6 Vp-p
RE
IC601 (SW)
10 V/DIV, 2
μs/DIV
2.8
μs
15 Vp-p
RG
IC201 (XTO)
1 V/DIV, 50 ns/DIV
115 ns
2 Vp-p
RH
IC701 (VOUT)
(Color bar)
(Color bar)
1 V/DIV, 20
μs/DIV
H
2.5 Vp-p
– MAIN Board –
Ver. 1.1
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
MEX-DV90EE/DV900
MEX-DV90EE/DV900
23
23
5-4. SCHEMATIC DIAGRAM - SERVO Board (1/3) -
• See page 33 for IC Block Diagrams.
R11
R15
R17
R22
R23
R24
R25
R26
C13
C15
C16
C17
C18
C2
C6
C160
C162
CN1
R18
Q4
R13
Q11
R126
R14
R33
C12
Q12
R35
R3
R1
R2
C4
C5
R123
C9
IC1
C7
C11
R20
R21
R36
R37
R38
R47
R16
R6
C20
C21
CN2
C23
L1
Q1
Q2
Q5
L2
TP63
TP47
TP51
R125
Q3
C3
100
100
10k
0
180k
180k
0
0
0.001
330p
330p
0.001
0.001
0.1
C14 0.1
0.1
0.0047
0.001
26P
47k
2SK3018-T1
1
MSB709-RT1
100k
1.2k
1
100
10V
10V
MSB709-RT1
1.2k
0
47
47
0.01
0.1
4.7k
4.7
BH6599KV-E2
0.1
0.1
2.2
2.2
2.2
2.2
2.2
2.2
10k
47k
0.1
100
10V
10V
30P
100
10V
0
DTC114EE-TL
2SK3018-T1
2SA2119K
(A3.3V)
(IOPCD)
(IOPDVD)
100k
2SA2119K
10
16V
A+3.3V
RFP
RFN
F’
E’
A
B
C
GND
D
VREF
PD
CD_LD
DVD_LD
OP_GAIN
MODE_SW
DRV_XSTBY
DR_VREF
TR_DRV
SP_DRV
STB
STA
FR_DRV
FG
HOME
A+5V
AGND
DRGND
DR+5V
VREF
U
W
V
U
W
V
FD+
FD-
A
B
C
D
TD+
TD-
F
E
F
R32
0
E
RFN
RFP
OP_GAIN
PD
FD+
TD+
TD-
FD-
RFP
RFN
A
B
C
D
VREF
PD
OP_GAIN
FCS-
TRK-
TRK+
FCS+
GND
VCC
F
E
NC
PD
B
A
D
C
LIMIT SWITCH
LIMIT SWITCH GND
COIL U
COIL U
COIL V
COIL V
COIL W
COIL W
HALL U-(H1-)
HALL U+(H1+)
HALL W-(H3-)
HALL W+(H3+)
HALL V-(H2-)
HALL V+(H2+)
HALL_BIAS-
HALL_BIAS+(+5V)
SLED MOTOR B-
SLED MOTOR B-
SLED MOTOR B+
SLED MOTOR B+
SLED MOTOR A-
SLED MOTOR A-
SLED MOTOR A+
SLED MOTOR A+
NC
PHOTE VCC
VC
NC
GSW
RF+
RF-
NC
MSW
GND(LD COM)
GND(LD COM)
PD
LD(CD)
LD(CD)
LD(DVD)
LD(DVD)
VR(CD)
VR(DVD)
HB
HU+
HU-
HV+
HV-
HW+
HW-
VCC
GND
SPCNF
SB
STBY
VO4-
VO4+
PVCC
VO3
-
VO3+
PGN
D
VO2
-
VO2+
PGN
D
VO1
-
VO1+
PVCC
PGN
D
U2
U1
PVCC
PVCC
V2
V1
PVCC
PVCC
W2
W1
PGN
D
RNF
FG
INSP
IN4
IN3
IN2
IN1
VREF
CNF1
CNF2
CNF3
CNF4
(1/3)
INVERTER
S
CD ON SWITCH
DVD ON SWITCH
S
INVERTER
AUTOMATIC
POWER CONTROL
(FOR DVD)
INVERTER
AUTOMATIC
POWER CONTROL
(FOR CD)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
C19 0.1
R133
R134
R135
R136
0
0
0
0
(Page 24)
(Page 25)
MEX-DV90EE/DV900
MEX-DV90EE/DV900
24
24
5-5. SCHEMATIC DIAGRAM - SERVO Board (2/3) -
• See page 22 for Waveforms. • See page 40 for IC Pin Function Description.
X1
C41
FB1
0
FB1
1
FB1
2
FB1
3
FB1
4
C37
C33
C35
C34
FB4
RB118
RB117
RB116
RB115
RB110
L4
FB8
L3
FB1
FB5
FB7
FB19
FB15
FB26
FB29
C46
C39
C64
C78
C111
C108
C107
C106
C102
C98
C74
C77
C117
C115
C48
C57
C55
C53
R94
C69
C67
C104
C84
C72
R59
C49
C50
IC17
C91
C51
R52
C45
R43
R42
C30
C27
R40
R39
C26
C25
R160
R70
R69
R63
R62
R60
R41
C29
R44
C32
R54
R50
C73
R57
R1
1
4
R159
R167
R122
R1
16
C85
C82
R48
C83
R188
R189
R131
R132
R124
R192
R13
0
R12
9
IC4
FB23
R92
FB6
R96
C66
C118
C113
R45
FB3
C43
FB2
R53
C119
RB114
RB113
RB112
RB111
27MHz
0.001
C31 18p
C36 18p
C42 0.001
0
0.001
0.001
0.001
0.001
33
33
33
33
47
0
0
0
0
0
68
0
0.1
C47
0.01
0.01
0.1
C40
0.01
0.01
0.1
C63
0.01
C59
0.1
C58
0.01
0.01
C79
0.1
C87
0.1
C89
0.01
0.1
0.01
C110 0.01
C109 0.1
0.1
0.1
0.1
C103 0.1
C101 0.1
C100 0.1
0.01
C99 0.1
0.01
C75
C75
0.1
0.01
C76
0.1
C81
0.1
C80
0.01
0.1
C116
0.1
0.1
C114
0.01
0.1
C38 0.1
0.1
C52
0.001
C54
0.001
C56
0.001
0.1
0.1
1M
10p
8p
0.1
C105 0.01
0.1
0.001
C71
0.1
3k
0.1
0.1
C68
0.01
C70
0.1
MM3123DPLE
0.1
0.1
100k
0.1
220k
12k
330p
0.0022
15k
220k
0.0022
330p
100
300
300
R73
300
300
300
300
300
12k
0.001
1k
0.1
100k
100k
0.01
100
100
100
100
100
4.7k
0.1
0.01
10k
47
4V
4V
4.7k
4.7k
FB3
3
0
100
0
1k
0
0
0
ZR36886HLCG-A
0
1.2k
0
4.7k
0.1
47
4V
0.1
C112
0.1
1k
0
0.1
C44
0.01
0.01
0
10k
47
4V
4V
47
47
47
47
SDRAM_ADD
SDRAM_DAT(15:0)
SDRAM_CNT
MEMADD(20:0)
MEMDAT(15:0)
MEMCS0
MEMRD
MEMWR
SDRAMGND
SDRAMVDD
FG
DRV_XSTBY
FR_DRV
STA
STB
SP_DRV
TR_DRV
DR_VREF
MODE_SW
OP_GAIN
DVD_LD
CD_LD
PD
VREF
D
E’
F’
GND
C
B
A
A+3.3V
RFN
RFP
HOME
A+5V
VGND
A+5V
DGND
DUP
A
VID
MEMA
DD0
MEMA
DD1
MEMA
DD2
MEMA
DD3
MEMA
DD4
MEMA
DD5
MEMA
DD6
MEMA
DD7
MEMA
DD8
MEMA
DD9
MEMA
DD10
MEMA
DD1
1
MEMADD12
MEMADD13
MEMA
DD14
MEMA
DD15
MEMADD16
MEMA
DD17
MEMA
DD18
MEMADD19
MEMADD20
MEMDA
T0
MEMDA
T1
MEMDA
T2
MEMDA
T3
MEMD
AT
4
MEMDA
T5
MEMDA
T6
MEMDA
T7
MEMDA
T8
MEMDA
T9
MEMDA
T10
MEMDA
T1
1
MEMD
AT
1
2
MEMDA
T13
MEMDA
T14
MEMD
AT
1
5
TD0
TXD
RD0
RXD
RES
ET
AMUTE
REQ
EN
MD
MC
RAMADD11
RAMADD9
RAMADD10
RAMADD8
RAMADD0
RAMADD7
RAMADD1
RAMADD6
RAMADD2
RAMADD5
RAMADD3
RAMADD4
RAMCKE
RAMPLCK
RAMDQM
RAMWE
RAMCAS
RAMRAS
RAMCS1
RAMBA0
RAMCS0
RAMDATA0
RAMDATA15
RAMDATA1
RAMDATA14
RAMDATA2
RAMDATA13
RAMDATA3
RAMDATA12
RAMDATA4
RAMDATA11
RAMDATA5
RAMDATA10
RAMDATA6
RAMDATA9
RAMDATA7
RAMDATA8
AOUT0
ABCL
K
ALRCLK
AMCLK
ML
V_COMP
VDDP
GNDP
VDDP
VDDC
GNDC
GND
P
VDDP
GND
P
VDDP
RAMADD4
RAMADD3
RAMADD5
RAMADD2
RAMADD6
VDDP
RAMADD1
RAMADD7
RAMADD0
GNDP
RAMADD8
VDDC
RAMADD10
GNDC
RAMADD9
VDDP
RAMADD11
RAMCS0
RAMBA0
GNDP
RAMCS1
RAMRAS#
RAMCAS#
VDDP
RAMWE#
RAMDQM
GNDPCLK
PLCK
VDDPCLK
RAMDAT8
GNDP
RAMDAT7
RAMDAT9
RAMDAT6
VDDP
RAMDAT10
RAMDAT5
RAMDAT11
GNDP
RAMDAT4
VDDC
RAMDAT12
GNDC
RAMDAT3
VDDP
RAMDAT13
RAMDAT2
RAMDAT14
GNDP
RAMDAT1
RAMDAT15
RAMDAT0
VDDP
GNDP
AMCLK
GNDP
VDDP
GNDC
VDDC
VDDP
GNDP
GNDPLL
RESET#
VDDPLL
XO
XIN
GNDHDPLL
GNDDAC_D
GNDDAC_D
VDD_DAC
DAC5
VDD_DAC
RSET
GNDDACBS2
GNDDACP
VDD_DAC
G
A
AVDD1_DVDAFE
B
SVDD_DVDAFE
AVDD_DVDAFE
C
H
D
J
AGND_DVDAFE
E
K
F
VC
VBGAP
RESOUT
CD_MD
DVD_MD
CD_LD
DVD_LD
AGNDREF_DVDAFE
AGND1_DVDAFE
VDDC
GNDC
VDDP
DUPTD1
DUPRD1
DUPRD0
DUPTD0
VDDPWM
GNDPWN
GNDP
VDDP
CD_DVD
GNDP
A2
VDDP
A2
VDDHDPLL
ALRCLK
ABCLK
DAC6(CV
BS)
SSCCL
K
SSCTXD
SSCRXD
DAC4(DD_A)
DAC3
(DD_D)
DAC2
_LU(DD_B
)
DAC1
_CH(DD_
C)
SSCEN
SSCREQ
DRV_XSTBY
FG
VID
0
VID1
VID2
VID
3
VID4
VID
5
VID
6
VID7
VCL
K
REQ
EN
GNDP
RFP
RFN
ICGPCIO0
IDGPCIO0
AOUT1
AOUT0
AOUT2
(2/3)
G
I
O
+3.3V REGULATOR
NOT
USED
NOT
US
ED
NOT
USED
NOT
US
ED
NOT
USED
NOT
USED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
USED
NOT
US
ED
NOT
USED
NOT
USED
HOM
E
AIN1
AIN2
NOT USED
NOT USED
GND
VDD
NOT USED
NOT USED
RAMCKE
NOT
US
ED
NOT
USED
VDD
MEMA
DD0
MEMADD1
NOT USED
OP_GAIN
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
TR_DRV
NOT USED
SP_DRV
STB
STA
FO_DRV
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT
US
ED
NOT
US
ED
NOT
US
ED
NOT
USED
NOT
US
ED
NOT
US
ED
NOT
US
ED
MEMCS1#
MEMADD15
MEMADD16
MEMADD14
MEMADD13
MEMADD12
MEMD
AT
1
5
MEMADD1
1
MEMDA
T7
MEMADD10
MEMD
AT
1
4
MEMADD9
MEMD
AT
6
MEMADD8
MEMD
AT
1
3
MEMD
AT
5
MEMA
DD20
MEMDA
T1
2
MEMW
R#
MEMDA
T4
MEMDA
T1
1
MEMD
AT
3
MEMADD19
MEMD
AT
1
0
MEMADD18
MEMDA
T2
MEMADD17
MEMD
AT
9
MEMA
DD7
MEMDA
T1
MEMADD6
MEMD
AT
8
MEMADD5
MEMD
AT
0
MEMADD4
MEMR
D#
MEMADD3
MEMA
DD2
MEMCS0#
DVD PROCESSOR
AMUTE
VDDIP
C65
0.001
FB31
0
FB3
2
0
FB23
L6
0
R121
0
D+3.3V
D+1.8V
(Page 25)
(Page 23)
(Page
25)
(Page 25)
Note: IC4 cannot exchange with single. When IC4 is
damaged, exchange the entire mounted board.
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