Sony MDX-C8970R Service Manual ▷ View online
45
IC302
CXA2523AR
–1
–2
+
–
IVR
BB
+
–
IVR
AA
+
–
IVR
CC
+
–
IVR
DD
+
–
IVR
+
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
IVR
GSW
+
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
USROP
+
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
46
IC303
BH6511FS-E2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
IC305
BA6287F-T1
IC307
MN41V4400TT-08S
1
2
3
4
OUT1
VM
VCC
FIN
8
7
6
5
GND
OUT2
VREF
RIN
CONTROL LOGIC
TSD
POWER
SAVE
DRIVER
DRIVER
DATA BUS
DQ3
DQ4
VSS
3
DQ2
2
A9
5
A0
9
A1
10
A2 11
A3 12
A3 12
VCC 13
NC
6
NC
7
NC
8
DQ1
1
26
23
24
25
A8
NC
NC
NC
NC
19
20
21
A6
A7
17
18
A4
A5
15
14
16
ROW
DECODERS
WORD
DRIVERS
MEMORY
CELLS
INTERNAL
ADDRESS
COUNTER
COUNTER
TIMING
GENERATOR
TIMING
GENERATOR
SENSE
AMPLIFIERS
COLUMN
DECODERS
I/O
SELECTOR
WRITE
CLOCK
CLOCK
GENERATOR
INPUT
BUFFERS
ADDRESS BUFFERS
ROW
COLUMN
22
OUTPUT
BUFFERS
OE
CAS
REFRESH
CONTROL
CLOCK
WE
4
RAS
47
– MAIN Board –
IC151
TDA7427ADTR
IC271
BA8270FV-E2
LP FM
LP HC
LP AM
VREF
DOUT3
DOUT4
DOUT5
DOUT6
OSCIN
OSCOUT
NC
SCL
SDA
IF AM
LP OUT
VDD2
GND-SIG
NC
FM IN
AM IN
GND-AM
ADDR
VDD1
HFREF
DOUT2
DOUT1/INLOCK
SSTOP
IF FM
3
4
1 2
7 8
5 6
11
12
9
10
15
16
17
18
19
20
21
22
23
24
25
26
27
28
13
14
TEST
LOGIC
PHASE
COM-
PARATOR
CHARGE
PUMP
SWITCH
LP1/LP2
LP1/LP2
INLOCK
DETECTOR
SWITCH
OUT
16 BIT
PROGRAMMABLE
COUNTER
SWITCH
SWM/DIR
SWITCH
SWM/DIR
PRE
COUNTER
SUPPLY &
POWER ON RESET
FM/AM
SWITCH
5 BIT
PROGRAMMABLE
COUNTER
11 BIT
PROGRAMMABLE
COUNTER
11 – 21 BIT
PROGRAMMABLE
COUNTER
IIC BUS
INTERFACE
FM/AM
SWITCH
REFERENCE
OSCILLATOR
14 BIT
PROGRAMMABLE
COUNTER
CONTROL
TIMER
PORT
EXTENSION
+
–
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
IC602, 632
LM1973MX
IN3
GND3
OUT3
GND2
IN2
GND AC
18
VSS1
19
OUT2
20
17
16
VDD2
15
GND AC
14
VDD1
13
DA
TA-OUT
12
DA
TA-IN
11
1
2
3
SWITCH
DRIVE
DECODE
TAP
SWITCHES
RESISTIVE
NETWORK
TAP
SWITCHES
RESISTIVE
NETWORK
IN1
GND1
OUT1
4
5
6
VSS2
7
LOGIC GND
8
CLOCK
9
LOAD/SHIFT
10
SWITCH
DRIVE
SWITCH
DRIVE
SHIFT
REGISTER
LATCH
DECODE
DECODE
TAP
SWITCHES
RESISTIVE
NETWORK
48
IC300
CXD2727Q
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58
57
56
55
54 53 52
51
SERIAL DATA
I/F
SERIAL
DATA
I/F
MICRO
COMPUTER
I/F
512kbit
DELAY
RAM
DSP
CLOCK
GENERATOR/
TIMING CIRCUIT
DIGITAL
FILTER
CLOCK
GENERATOR/
TIMING CIRCUIT
PLL
ADC2
ADC1
–
+
+
DAC6
–
+
+
DAC5
–
+
+
DAC4
–
+
+
DAC3
–
+
+
DAC2
–
+
+
DAC1
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
PLCLK
XECKSTP
AVDP
VSS4
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
VDD4
AVSD
T. P
T. P
T. P
AVDD
VSS1
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
T. P
TST0
TST1
TST2
TST3
TST4
TST5
JPE1
JPE2
JPE3
VDD1
AVS3
AOUTL1
AVD3
AOUTR1
AVD5
AVS5
AVD1
AVS1
LREF
LIN
AVS7
AVD7
AOUTL2
AVDX
XTLO38
XTLI38
AVSX
AOUTR2
AVD8
AVS8
RIN
RREF
AVS2
AVD2
AVS6
AVD6
AOUTL3
AVD4
AOUTR3
AVS4
VSS2
XRST
BFOT
SCK
REDY
TRDT
XLAT
RVDT
XS24
VDD2
VSS3
SO1
SO2
SO3
SOUT
SI1
SI2
SI3
SIN
BCK
LRCK
XMST
VDD3
AVSP
XPLLEN
REFERENCE
REFERENCE
VCCL
VCCL
VCCL
INL
SVRL
INML
INMR
SVRR
INR
VCCR
VCCR
VCCR
BUFFER
BUFFER
BUFFER
BUFFER
LIFT
AMP
SIGNAL
AMP
LIFT
AMP
SIGNAL
AMP
CL+
CL–
LGND
OUTL
OUTR
RGND
CR–
CR+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC901
SAA6588T-118
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
IC604, 634
NJM2160AM-TE2
Click on the first or last page to see other MDX-C8970R service manuals if exist.