Sony MEX-R1 Service Manual ▷ View online
41
MEX-R1
IC10
S29JL032H70TFI010-S004
STATE
CONTROL
&
COMMAND
REGISTER
Y-GATING
X-DECODER
CELL
MATRIX
4M BIT
(BANK A)
Y-GATING
X-DECODER
CONTROL
STATUS
CELL
MATRIX
12M BIT
12M BIT
(BANK B)
Y-GATING
X-DECODER
CELL
MATRIX
12M BIT
12M BIT
(BANK C)
Y-GATING
X-DECODER
CELL
MATRIX
4M BIT
(BANK D)
7
A9
8
A8
9
A19
10
A20
4
A12
5
A11
6
A10
1
A15
2
A14
3
A13
22
A3
23
A2
24
A1
19
A6
20
A5
21
A4
16
A18
17
A17
18
A7
12
RESET
13
NC
14
WP/ACC
15
RY/BY
47 BYTE
46 VSS
37 VCC
45 DQ15/A-1
44 DQ7
43 DQ14
42 DQ6
41 DQ13
40 DQ5
39 DQ12
38 DQ4
44 DQ7
43 DQ14
42 DQ6
41 DQ13
40 DQ5
39 DQ12
38 DQ4
36 DQ11
35 DQ3
34 DQ10
33 DQ2
32 DQ9
31 DQ1
30 DQ8
29 DQ0
35 DQ3
34 DQ10
33 DQ2
32 DQ9
31 DQ1
30 DQ8
29 DQ0
28 OE
27 VSS
26 CE
25 A0
11
WE
ADDRESS BUS
DATA BUS
48 A16
– 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
IC201
SAA6588T/V2-518
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
Ver. 1.3
42
MEX-R1
IC301
TDA7416
MAIN
SELECTOR
REAR
SELECTOR
NC
NC
IN2R
IN1L+
IN1–
NC
IN1R+
GND
NC
1
2
3
4
5
6
7
9
10
11
IN2L
IN3R
IN3L
IN4R
IN4L 40
41
42
43
44
IN-GAIN
SPECTRUM
ANALYZER
I2CBUS
SOFT STEP
MAIN VOLUME
SOFT STEP FADER
7 BAND
EQUALIZER
MIXER
MIXER
SOFT MUTE
LOUDNESS
ACOUTSW 37
HPF
HPF2
SOFT STEP FADER
HPF2
SOFT STEP FADER
SOFT STEP FADER
SUB WOOFER
ZERO CROSS
POWER
CREF 38
ACINSW 36
NC 34
ACOUTR 35
ACINR
ACOUTL
ACINL
VREFOUT
VDD
AC2INL
AC2OUTL
FILOL
26
27
28
29
30
31
32
33
OUTLF
25
OUTLR
24
23
NC
8
MIX
NC
OUTRR
21
OUTRF
22
AC2INR
20
AC2OUTR
FILOR
SWOUT
19
18
17
SAOUT
16
MUTE
SACLK
SCL
13
14
15
SDA
12
NC 39
SOFT STEP FADER
FADER
43
MEX-R1
IC302
PCM1751DBQR
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15
14
ML
MC
16
13
MD
SYSTEM
CLOCK
IC304
NJM2750M-TE2
LOGIC
OUTA
15
GND
16
V+
14
IN3A
13
VREF
12
IN2A 3
IN4A 5
CNT1 2
CNT2 4
IN1A 1
OUTB
11
IN3B
9
NC
10
IN2B 7
IN1B
BIAS
6
IN4B 8
44
MEX-R1
IC306
TDA8588AJ/N2/R1
MUTING
IN3
12
SVR
VP
10
PGND1
8
VP2
6
SCL
4
SDA
2
IN4
14
PGND3
18
ACGND
16
VP1
20
STB
22
PGND4
24
RST
26
REG1
30
RES-CAP
28
GND
32
REG5
34
BU-CUP
36
OUT3– 3
PGND2/TAB 1
OUT3+ 5
MUTING
OUT1– 7
OUT1+ 9
IN1
REF
11
SGND 13
MUTING
OUT2+ 17
OUT2– 19
IN2 15
MUTING
TEMPERATURE & LOAD
DUMP PROTECTION
AMPLIFIER
TEMPERATURE & LOAD
DUMP PROTECTION
VOLTAGE REGULATOR
PROTECTION/
DIAGNOSTIC
CLIP DETECT/
DIAGNOSTIC
ENABLE
LOGIC
STANDBY/
MUTING
IIC-BUS
INTERFACE
OUT4+ 21
OUT4– 23
DIAG 25
SW2
(REGULATOR & SWITCH BLOCK)
27
SW1 29
REG3 31
REG4 33
VP 35
REG2 37
RESET
REGULATOR 1
REGULATOR 3
REGULATOR 4
REGULATOR 2
REGULATOR 5
IC504
BR24L08FV-WE2
1
2
3
4
5
7
8
A0
A1
A2
A1
A2
GND
Vcc
WP
SCL
SDA
8kbit EEPROM ARRAY
10bit
8bit
ADDRESS
DECODER
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH–VOLTAGE
GENERATOR
POWER SUPPLY
VOLTAGE DETECTOR
DATA
REGISTER
ST
AR
T
STOP
ACK
CONTROL CIRCUIT
6
10bit
Click on the first or last page to see other MEX-R1 service manuals if exist.