DOWNLOAD Sony XR-C750RDS / XR-C850RDS / XR-C850RW Service Manual ↓ Size: 1.92 MB | Pages: 55 in PDF or view online for FREE

Model
XR-C750RDS XR-C850RDS XR-C850RW
Pages
55
Size
1.92 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xr-c750rds-xr-c850rds-xr-c850rw.pdf
Date
PREV: Sony CDX-C760 / CDX-C760RDS (serv.man2) Service Manual

Sony XR-C750RDS / XR-C850RDS / XR-C850RW Service Manual ▷ View online

– 33 –
Pin No.
Pin Name
I/O
Pin Description
58
TIR-IND
O
LED drive output at TIR ON setting.
59
TIRPLAY
O
TIR playback audio control output
60
RESET
I
Reset input
61
SIRCS
I
Remote commander input
62
BU-IN
I
Back-up power detection input
63
DOORSW
I
Door open/close switch
64
ACCIN
I
Accessory power detection input
65
NOSESW
I
Detachable panel detection input
66
TELMUT
I
Telephone mute detection input
67
KEYACK
I
Key input acknowledge
68
VDD
—
Power supply for microcomputer.
69
OSCOUT
O
Main ceramic oscillator output pin (5 MHz)
70
OSCIN
I
Main ceramic oscillator input pin (5 MHz)
71
GND
—
GND for microcomputer.
72
XT-OUT
O
Sub crystal oscillator output pin (32.768 kHz)
73
XT-IN
I
Sub crystal oscillator input pin (32.768 kHz)
74
AVDD
—
Power supply for A/D conversion.
75
AVREF
—
Reference power supply for A/D conversion.
76, 77
KEYIN0, 1
I
Key input 0, 1
78, 79
KEYSEL0, 1
I
Key function select setting input 0, 1
80
DESTSEL
I
Fixed at “L”.
– 53 –
• IC Block Diagrams
IC10  TB2114FN
IC75  TC4W66F
IC102  MSM6688GS
OSC OUT
CE
DIN
CK
DOUT
SR
I/O-1
I/O-2
OUT-1
OUT-2
OUT-3
XTIN
A-GND
VCC
VCC
REG
VT
FM  CP  OUT
D-GND
AMIN
FMIN
AM/FM  IF
VDD
VDD
XTOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
23
BUFFER
ON/OFF
OSCILLATOR
REF
DIVIDER
REP
PHASE
COMP
SIG
REGULATOR
SERIAL
INTERFACE
I/O
PORT
OUTPUT
PORT
22BIT
18BIT
18BIT
40BIT  SHIFT  REGISTER
12BIT
PROGRAMABLE
COUNTER
4BIT
SWALLOW
COUNTER
20BIT
IF
COUNTER
AMP
AMP
AMP
SELECT
SELECT
AM CP OUT
8
7
6
5
4
3
2
1
VDD
CONT1
OUT/IN2
IN/OUT2
IN/OUT1
OUT/IN1
CONT2
VSS
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
– 54 –
IC103   MSM6684JSDR1 (XR-C750RDS)
IC103   MSM6685JSDR1 (XR-C850RDS)
IC201  LB1638M
IC150  SAA6579T
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
CONTROL      LOGIC
1
2
3
4
5
10
9
8
7
6
N. C.
OUT1
VS
OUT2
N. C.
GND
IN1
VCC
IN2
GND
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
QUALITY BIT
GENERATOR
OSCILLATOR
AND
DIVIDER
RECONSTRUCTION
FILTER
57KHz
BANDPASS
(8th ORDER)
ANTI-
ALIASING
FILTER
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
CLOCKED
COMPARATOR
CLOCK REGENERATION
AND SYNC
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
REFERENCE
VOLTAGE
DIFFERENTIAL
DECODER
BIPHASE
SYMBOL
DECODER
Vp1
QUAL
RDDA
VREF
MUX
VDDA
VSSA
CIN
SCOUT
RDCL
T57
OSCO
OSCI
VDDD
VSSD
TEST
TSTLD
– 55 –
IC210  CXA2510AQ (XR-C750RDS)
IC210  CXA2511AQ (XR-C850RDS)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
32
33
34
35
36
37
38
39
40
NR
NR
NR BIAS
TAPE/AUX
TAPE EQ
FWD/RVS
MS MODE
NR MODE
DET
10
9
8
7
6
5
4
3
2
1
LPF
VCT
+ -
T2
X1
X1
T1
+ -
F3
VCC
OFF/
B/C
OFF/
B/C
+
-
F1
F2
+
-
120
µ
/70
µ
120
µ
/70
µ
MS ON/
OFF
PBFB2
PBRIN2
PBREF2
PBFIN2
VCT
PBGND
PBFIN1
PBREF1
PBRIN1
PBFB1
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
TCH1
TCL1
G2FB
PBEQ2
PBOUT2
GND
TAPEIN2
AUXIN2
DIREF
LINEOUT2
TCH2
TCL2
MSSW
MSMODE
DRSW
TAPESW
INSW
NRSW
NRMODE
MSOUT
DGND
MSTC
G1FB
+
-
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
32
33
34
35
36
37
38
39
40
NR
NR
NR BIAS
TAPE/AUX
TAPE EQ
FWD/RVS
MS MODE
NR MODE
DET
10
9
8
7
6
5
4
3
2
1
LPF
VCT
+ -
T2
X1
X1
T1
+ -
F3
VCC
OFF/B
OFF/B
+
-
F1
F2
+
-
120
µ
/70
µ
120
µ
/70
µ
MS ON/
OFF
PBFB2
PBRIN2
PBREF2
PBFIN2
VCT
PBGND
PBFIN1
PBREF1
PBRIN1
PBFB1
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
TCH1
NC
G2FB
PBEQ2
PBOUT2
GND
TAPEIN2
AUXIN2
DIREF
LINEOUT2
TCH2
NC
MSSW
MSMODE
DRSW
TAPESW
INSW
NRSW
NC
MSOUT
DGND
MSTC
G1FB
+
-
Page of 55
Display

Click on the first or last page to see other XR-C750RDS / XR-C850RDS / XR-C850RW service manuals if exist.

RANDOM: