DOWNLOAD Sony MEX-DV900 / MEX-DV90EE Service Manual ↓ Size: 8.47 MB | Pages: 76 in PDF or view online for FREE

Model
MEX-DV900 MEX-DV90EE
Pages
76
Size
8.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
mex-dv900-mex-dv90ee.pdf
Date
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Sony MEX-DV900 / MEX-DV90EE Service Manual ▷ View online

MEX-DV90EE/DV900
33
•  IC Block Diagrams
– SERVO Board –
IC1   BH6599KV-E2
3-PHASE
PWM DRIVER
CURRENT
LIMITER
THERMAL
SHUT-DOWN
PWM
DRIVER
3-PHASE
PWM DRIVER
3-PHASE
PWM DRIVER
PHASE
SHIFT
HUP
14
HB
13
HUN
15
PGND1
1
1
PGND12
12
W1
2
W2
3
PVCC1
1
4
PVCC12
5
V1
6
V2
7
PVCC13
8
PVCC14
9
U1
10
U2
11
RNF 48
FG 47
INSP 46
CNF1 40
VREF
VREF
41
IN1 42
IN2 43
IN3 44
IN4 45
CNF2 39
CNF3 38
CNF4 37
180 deg MATRIX
HALL BIAS
OSC
OSC
REVERSE
PROTECT
FREQUENCY
GENERATOR
+
–
HVP
16
HVN
17
+
–
HWP
18
HWN
19
VCC
20
GND
21
SPCNF
22
SB
23
STBY
24
+
–
NF AMP LOGIC
VO1F
35
PVCC22
36
PGND21
30
PGND22
33
PVCC21
27
VO1R
34
PWM
DRIVER
NF AMP LOGIC
VO2F
32
VO2R
31
PWM
DRIVER
NF AMP LOGIC
VO3F
29
VO3R
28
PWM
DRIVER
SHORT
BRAKE
NF AMP LOGIC
STANDBY
VO4F
26
VO4R
25
IC6   PCM1780DBQ
MS 2
MC 3
SCK 5
DATA1 6
MD 4
ZERO1 1
SERIAL
CONTROL
PORT
BCK 7
LRCK 8
AUDIO
SERIAL
PORT
4x/8x
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SYSTEM
CLOCK
ZERO2
16
VOUTL
15
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
D/A
CONVERTER
VOUTR
14
VCOM
13
AGND
12
VCC
11
NC
10
NC
9
MEX-DV90EE/DV900
34
IC10   EM638165TS-6IG
IC11   S29AL032D70TFI030H
DQ6 11
VSSQ 12
VDD 14
VDD 1
LDQM 15
DQ7 13
WE# 16
CAS# 17
RAS# 18
CS# 19
BA0 20
BA1 21
A10/AP 22
A0 23
A1 24
A2 25
VDD 27
A3 26
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
COLUMN
COUNTER
ADDRESS
BUFFER
MODE
RESISTER
REFRESH
COUNTER
VSS
54
DQ13
50
DQ14
DQ15
51
53
DQ11
47
DQ12
48
VDDQ
49
VSSQ
46
VSSQ
52
DQ10
45
DQ9
44
VDDQ
43
DQ8
42
A11
35
NC
36
CKE
CLK
37
38
A8
A9
33
34
A7
32
A6
31
A5
30
A4
29
VSS
28
UDQM
39
NC/RFU
40
VSS
41
1M
× 16
CELL ARRAY
(BANK #A)
COLUMN DECODER
DECODER
1M
× 16
CELL ARRAY
(BANK #B)
COLUMN DECODER
DECODER
1M
× 16
CELL ARRAY
(BANK #C)
COLUMN DECODER
DECODER
1M
× 16
CELL ARRAY
(BANK #D)
COLUMN DECODER
DECODER
CLOCK
BUFFER
BUFFER
DQ5 10
DQ2 5
VSSQ 6
DQ1 4
DQ4 8
VDDQ 9
DQ0 2
VDDQ 3
DQ3 7
STATE
CONTROL,
COMMAND
RESISTER
A15 1
A14 2
A13 3
A12 4
A11 5
A10 6
A9 7
A8 8
A19 9
A20 10
A18 16
A17 17
A7 18
A6 19
A5 20
A4 21
A3 22
A2 23
A1 24
WE# 11
RESET# 12
NC 13
WP#/ACC 14
RY/BY# 15
X-DECODER
Y-DECODER
VCC
DETECTION
CIRCUIT
TIMER
SELF
MATRIX
Y-GATE
DATA
LATCH
CHIP ENABLE/
OUPUT ENABLE
LOGIC
ADDRESS LA
TCH
A0
25
CE#
26
VSS
27
OE#
28
DQ0
29
DQ8
30
DQ1
31
DQ9
32
DQ2
33
DQ10
34
DQ3
35
DQ11
36
VCC
37
DQ4
38
DQ12
39
DQ5
40
DQ13
41
DQ6
42
DQ14
43
DQ7
44
DQ15/A-1
45
VSS
BYTE#
46
47
A16
48
INPUT/OUTPUT
BUFFER
STB
STB
PGM VOLTAGE
GENERATION
CIRCUIT
ERASE VOLTAGE
GENERATION
CIRCUIT
SECTOR
SWITCH
MEX-DV90EE/DV900
35
– MAIN Board –
IC102   BD7931F
IC201   TDA7333013TR
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
IC103   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
1
VDDA
2
REF3
3
REF2
4
REF1
5
VSS
6
TM
7
VDDD
8
RESETN
16 MPX
15 INTN
14 CSN
13 SA_DATAOUT
12 SDA_DATAIN
11 SCL_CLK
10 XTO
9 XTI
SIGMA DELTA
CONVERTER
RDS DEMODULATOR
&
SYNCHRONISATION
RAM BUFFER
&
CONTROL LOGIC
TEST LOGIC
&
PIN MIX'S
SINC4
FILTER
I2C/SPI
INTERFACE
BANDPASS
FILTER
INTERPOLATOR
OSCILLA
TOR
TESTREG
SPL
SCK
SDAIN
SDAOUT
MPX
SINC4
REG
MEX-DV90EE/DV900
36
IC301   BD3442FS-E2
IC302   BA3121F
IC504   BR24L02FV-WE2
1
2
A1
100k
100k
100k
100k
100k
100k
250k
250k
250k
A2
B1 3
4
B2
5
C1
6
C2
7
DP1
8
DN
9
DP2
10
DS32
11
DS12
12
DS22
13
EBIAS
14
DS21
15
DS11
16
DS31
26 OUTF1
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUTF2
24 OUTR1
23 OUTR2
FADER
FADER
22 OUTS1
21
20
OUTS2
19
ADJ
18
SOUT
17
DATA
CLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
AMP
8
4
3
2
1
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
AMP
7
6
5
1
5
A0
2
A1
3
A2
4
GND
SDA
6 SCL
7 WP
8 VCC
2kbit EEPROM ARRAY
8bit
8bit
ADDRESS
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH VOLTAGE
GENERATOR
VCC LEVEL
DETECT
DATA
REGISTER
ST
AR
T
ST
OP
ACK
CONTROL LOGIC
8bit
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