DOWNLOAD Sony CDX-C780R Service Manual ↓ Size: 9.83 MB | Pages: 64 in PDF or view online for FREE

Model
CDX-C780R
Pages
64
Size
9.83 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-c780r.pdf
Date
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Sony CDX-C780R Service Manual ▷ View online

– 68 –
IC4  MB814400C-70PFTN
WRITE
CLOCK
GENERATOR
DATA INPUT
BUFFER
DATA OUTPUT
BUFFER
COLUMN
DECODER
SENSE AMP
I/O GATE
4M BIT
MEMORY
CELL
ROW 
DECODER
ADDRESS
BUFFER
PRE-
DECODER
REFRESH
ADDRESS
COUNTER
BOARD
BIAS
GENERATOR
MODE
CONTROL
CLOCK
GENERATOR
1
CLOCK
GENERATOR
2
18
24
25
26
17
16
15
14
5
4
1
2
3
9
10
11
12
13
23
22
DQ1
DQ2
WE
RAS
A9
A0
A1
A2
A3
VCC
VSS
DQ4
DQ3
CAS
OE
A8
A7
A6
A5
A4
IC2  CXD2522R-T6
IC551  LC89170M-TLM
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TIMING
&
SYNCHRONIZATION
SIGNAL
PROTECTION
32 WORD X 8 BIT
DUAL PORT RAM
CRC
CHECKER
CPU INTERFACE
VDD
VDD
DQSY
SRDT
SCLK
SW2
SW1
TEST
EXCK
SBSO
SCOR
WFCK
MCK
XMODE
GND
SDTO
XSOE
SCK
SDTI
XLT
XRDE
XWRE
OSCE
A5
A6
A7
SPSL
VSS
35
36
A8
XOE
33
34
37
39
A4
38
40
41
42
43
44
45
46
47
48
32
20
21
22
23
25
26
27
29
30
31
24
XCAS
D4
D3
D0
28 D1
XWE
XRAS
A9
VDD
A0
A1
A2
A3
17
18
19 C176
DOUT
LRCK
4
5 6
7 8 9 10 11
13
14
15 16
12
XROI
RFCK
GTOP
1
2 3
WFCK
DIN
C4M
BCKI
VSS
DATI
LRCI
WDCI
XTAO
TEST
XTAI
BCK
DATA
49
50
51
52
53
54
55
56
57
61
62
63
64
58
59
60
XEMP
XWIH
AM4
AM3
AM2
AM1
AM0
VDD
XQOK
GSCR
SCOR
NC
NC
NC
GRST
XRST
DRAM
I/F
SELECTOR
TIMING
GEN.
DAC
I/F
DIGITAL
OUT
CPU I/F
ADDRESS MONITOR
VWA
READ
BASE
COUNTER
WRITE
BASE
COUNTER
DATA
LINKING
CONTROL
DSP
I/F
– 69 –
PHASE
DET
PRESCALER
MAIN
COUNT
IF COUNT
CTL
20BIT COUNT
SHIFT REGISTER LATCH
REFERENCE
DIVIDER
I/O
CTL
1
2
4
5
6
7
9
10
20
18
17
16
15
14
13
12
11
19
XIN
CE
CK
DA
CD
P0
P1
P3
XOUT
VSS
PD
VDD
FMIN
AMIN
P2
IFIN
SD
P4
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
1
2
3
4
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
CLK IN
BU IN
DATA IN
DATA OUT
IC201  BU4052BCFV
IC10  BU2624FV
IC205, 207, 208  TDA8574
IC505  BA8270F
11
12
13
10
9
8
7
6
5
4
3
1
2
20
18
17
16
15
14
19
PAUSE
DETECTOR
INTERFACE
REGISTER
RDS/RDBS
DECODER
OSCILLATOR
AND CLOCK
TEST
CONTROL
MULTI-PATH
DETECTOR
RDS/RDBS
DEMODULATOR
CLOCKED
COMPARATOR
POWER SUPPLY
AND RESET
57kHz
8th ORDER
BAND-PASS
SIGNAL
QUALITY
DETECTOR
IIC-BUS
SLAVE
TRANSCEIVER
SCL
SDA
DAVN 
VDDD 
VSSD 
OSCI 
OSC0 
TCON 
MPTH 
MRO 
LVIN 
CIN 
SCOUT 
VREF 
MPX 
VSSA 
VDDA 
AFIN 
MAD 
PSWN 
5
4
4
IC101  SAA6588
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
TIMING
GENERATOR
8,388,608DATA
REGISTER
COLUMN DECODER
COLUMN ADDRESS
COUNTER
ROW
DECODER
ADDRESS
MULTIPLEXER
REFRESH ADDRESS
COUNTER
ROW ADDRESS
COUNTER
ROW ADDRESS
REGISTER
REFRESH TIMER
I/O CONTROL
WRITE CLOCK
GENERATOR
2
3
4
5
11
12
13
10
9
1
25
24
23
22
18
17
16
15
14
26
TEST
RWCK
NC
TEST
TEST
TEST
TEST
DIN
NC
VSS
VCC
RS/A
RFSH
SAD
SAS
TAS
CS
WE
DOUT
NC
IC102  MSM6684JSDR1
– 70 –
IC202  CXA1946BQ
IC103  MSM6688GS
1
2
3
4
42
41
40
39
38
37
36
32
31
30
29
35
34
33
5
6
7
8
9
10
12
13
14
11
15
16
17 18
19 20 21 22 23 24
25
26
27
28
43
44
45
47
48
49
50
52
53
54
55
56
51
46
MCU I/F
STATUS
REGISTER
TEST
CIRCUIT
12BIT
ADC
LPF
12BIT
DAC
+
-
+
-
SG
CIRCUIT
ADDRESS
CONTROLLER
ADPCM
ANALYZER/
SYNTHESIZER
TIMING
CONTROLLER
OSC
DATA
I/O
REGISTER
CONTROLLER
D0
D1
D2
D3
BUSY
RPM
VPM
TEST
TEST
TEST
TEST
MCUM
CE
ACON
CS3
CS2
CS1
SADX
SADY
PDWN
TEST
AGND
RSEL2
RSEL1
DGND
TEST
TEST
ADIN
FOUT
AOUT
FIN
AMON
DVDD
AVDD
SG
SGC
LOUT
LINE
MOUT
MIN
CE
WR
RD
RESET
NAR
RWCK
DVDD
XT
XT
WE
DROM
DI/0
CS4
TAS
SAS
MON
37
GAIN12
38
GAIN11
39
IN14
40
IN13
41
IN12
42
IN11
INPUT SW
36
GAIN134
LOUD
VOLUME
8dB STEP
VOLUME
1dB STEP
TONE
FADER
35
LDLC1
34
LDHC1
33
INAO1
32
VRIN1
31
VOUT1
30
TIN1
29
TCLC1
28
TCLC11
27
TCLC12
26
TCO1
25
FDIN1
24 FNTO1
23 REO1
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
CONTROL
LATCH
1
GAIN234
LOUD
VOLUME
8dB STEP
VOLUME
1dB STEP
TONE
FADER
2
LDLC2
3
LDHC2
4
INAO2
5
VRIN2
6
VOUT2
7
TIN2
8
TCLC2
9
TCLC21
10
TCLC22
11
TCO2
12
FDIN2
14 REO2
13 FNTO2
VCTBUFF
VCTBUFF
VCTBUFF
SHIFT
REGISTER
ZCDET
43
IN21
44
IN22
45
IN23
46
IN24
47
GAIN21
48
GAIN22
INPUT SW
18 VCC
17 VCT
16 DATA
15 TIMER
22 CE
21 CLK
20 DGND
19 GND
45k
45k
– 71 –
IC204  CXA1846N
20 19
18
17
16
15
14
13 12 11
1
2
3
4
5
6
7
8
9 10
1dB STEP
VOLUME
8dB STEP
VOLUME
1dB STEP
VOLUME
8dB STEP
VOLUME
VCT
BUFFER
LATCH
SHIFT
REGISTER
LATCH
CONTROL
ZC
DET
+
–
+
–
INP 1
INN 1
VCT 1
INAO 1
VRIN 1
OUT 1
N.C.
GND
VCT
VCC
INP 2
INN 2
VCT 2
INAO 2
VRIN 2
OUT 2
CE
DATA
CLK
INIT
IC401  PCM1716E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
28
SERIAL
INPUT  I/F
8 x OVER
SAMPLING
DIGITAL
FILTER
&
FUNCTION
CONTROLLER
MULTI-LEVEL
DELTA-SIGMA  MODULATOR
DAC
DAC
LOW-PASS FILTER
(R)
LOW-PASS FILTER
(L)
MODE
CONTROL
I/F
CRYSTAL
OSC
BPZ-CONT
SCK
LRCIN
DIN
BCKIN
CLKO
XTI
XTO
DGND
VDD
VCC2R
AGND2R
EXTR
N.C
VOUTR
AGND1
M/IIS
MC/DM1
MD/DM0
MUTE
MODE
CS/IWO
OPEN
DRAIN
RST
ZERO
VCC2L
VCC1
AGND2L
EXTL
N.C
VOUTL
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
MODE2
MODE1
STB
VDD
AMP
VCC
ANT
COM
AM
FM
GND
IC602  BA3918-V3
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