Sony MEX-R5 Service Manual ▷ View online
45
MEX-R5
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
46
MEX-R5
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
47
MEX-R5
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
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
48
MEX-R5
IC701
MM1567AJBE
4dB
4dB
VCC2
75
Ω
DRIVER
LPF
LPF
LPF
75
Ω
DRIVER
2dB
4dB
2dB
75
Ω
DRIVER
2dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
4dB
2dB
CIN
2
VIN
4
MUTE1
3
YC MIX
5
YIN
6
BIAS
7
GND1
8
NC
9
GND1 10
NC 11
CYIN 12
CLP 13
CbIN 14
CrIN 16
GND2 17
MUTE2 15
VCC1
1
34
CrSAG
18
CrOUT
19
CbSAG
21
GND2
20
CbOUT
22
CYSAG
24
GND2
23
GND2
26
CYOUT
25
YSAG
27
YOUT
28
VSAG
30
GND2
29
GND2
32
VOUT
31
COUT
33
+
BIAS
BIAS
BIAS
BIAS
BIAS
CLAMP
CLAMP
CLAMP
LPF
LPF
LPF
– SUB Board –
IC101
TC74HC139AF (EL)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
Y7
G1
G2B
G2A
C
B
A
A
B
C
G2A
Y7
G1
G2B
Y6
Y5
Y6
Y5
Y4
Y3
Y2
Y1
Y0
16
VCC
DATA OUTPUTS
OUTPUT
ENABLE
SELECT
Y4
Y3
Y2
Y1
Y0
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