Sony MEX-DV1000 / MEX-DV2000 Service Manual ▷ View online
41
MEX-DV1000/DV2000
IC11 S29AL032D70TFI030H
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 LATCH
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
SWITCH
– MAIN Board –
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
IC103 PQ20WZ1UJ00H
CONTROL
VIN
1
VOUT
4
ON/OFF
2
VADJ
3
GND
5
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
OSCILLATOR
TESTREG
SPL
SCK
SDAIN
SDAOUT
MPX
SINC4
REG
IC201 TDA7333013TR
42
MEX-DV1000/DV2000
IC302 TDA7419TR
1
AUOUTR/
AC2OUTR
4
ACOUTL/
AC2OUTL
3
ACINL/
FILOL
2
ACINR/
FILOR
6
AC2INR/
SE3R
5
AC2INL/
SE3L
9
SE1L
8
SE2R
7
SE2L
12
DIFFG
13
DIFFR
14
CREF
11
DIFFL
10
SE1R
17 OUTRF
16
OUTSW/
OUTLR2
OUTLR2
15 GND
25 SACLK
24 VDD
23 SDA
22 SCL
21 MUTE
20 OUTLF
18 OUTRR
19 OUTLR
26 SAOUT
27
VREF
OUTF
OUTF
28
MIX/
OUTSW/
OUTRR2
OUTSW/
OUTRR2
INPUT
MULTIPLEXER
IN GAIN
AUTO ZERO
LOUDNESS
SOFT MUTE
SOFTSTEP
VOLUME
TREBLE
MIDDLE
BASS
SUBWOOFER
LPF
SOFTSTEP
MONO
FADER
SOFTSTEP
MONO
FADER
SOFTSTEP
MONO
FADER
SOFTSTEP
MONO
FADER
SOFTSTEP
MONO
FADER
HPF
MIX
MIX
IN GAIN
HPF
SPECTRUM
ANALYZER
SOFTSTEP
MONO
FADER
DIGITAL
CONTROL
I2C BUS
SUPPLY
43
MEX-DV1000/DV2000
IC307 BD3434K-E2
INAFL 2
AGNDE
INEX–
1
AGND1 4
AGND2 7
AGND3 10
INAFR 3
INAC 5
INASW 6
INARL 8
INARR 9
INBFL
INBFR
11
12
INBC
14
INBSW
15
INBSRL
17
INBSRR
18
SAOUTRL
20
SAOUTRR
OUTAFR
21
OUTAFL
22
AGND4
13
AGND5
16
AGND6
19
FRONT INPUT
SELECTOR
SOFT
SWITCHING
REAR INPUT
SELECTOR
REAR
INPUT
GAIN
(0, 6, 12 dB)
44
INEX+
43
DGND
34
SDA
35
SCK
36
CS
37
TEST
38
+
–
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
FRONT
INPUT
GAIN
(0, 6, 12 dB)
+
+
MIXING
ON/OFF
23
OUTAC
24
OUTASW
25
OUTARL
26
OUTARR
27
OUTBFL
28
OUTBFR
29
OUTBC
30
OUTBRR
33
OUTBRL
32
OUTBSW
31
OUTPUT
GAIN B
(0, –4.5 dB)
OUTPUT
GAIN A
(0, +2.5 dB)
DIGITAL
CONTROL
VEE
40
AGNDM
41
VCC
42
POWER
SUPPLY
ADJ
39
VCO
IC405 NJM2387ADL3 (TE2)
1
VIN
2
CONTROL
5
GND
3
VOUT
4
VADJ
BANDGAP
REFERENCE
OVER VOLTAGE
PROTECTION
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
ON/OFF
CONTROL
REGULATOR
VOUT 1
NC 3
VIN
5
ON/OFF
4
VSS 2
+
–
OVERCURRENT
PROTECTION
REFERENCE
VOLTAGE
ON/OFF
CONTROL
IC503 S-1132B33-U5T1G
44
MEX-DV1000/DV2000
IC504 BR24L02FV-WE2
1
5
A0
2
A1
3
A2
4
GND
SDA
6 SCL
7 WP
8 VCC
2kbit EEPROM ARRAY
8bit
8bit
ADDRESS
DECODER
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH VOLTAGE
GENERATOR
VCC LEVEL
DETECT
DATA
REGISTER
ST
AR
T
STOP
ACK
CONTROL LOGIC
8bit
1
VIN
2
SW
6
RT
4
GND
5
INV
7
EN
3
FB
DRIVER
CURRENT
LIMIT
ERROR
AMP
SOFT
START
PWM
COMPARATOR
THERMAL
SHUT DOWN
LATCH
OSC
VREF
IC601 BD9778HFP
IC603 BA8271F-E2
1
2
3
4
5
6
7
8
9
10
14
13
12
11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON IN
BUS ON OUT
RESET
RESET
SWITCH
IC701, 702 NJM2561F1-TE2
1
POWER SAVE
2
VOUT
3
VSAG
6
VCC
5
GND
4
VIN
75 OHM
DRIVER
LOW-PASS
FILTER
CLAMP
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