DOWNLOAD Sony CDX-C8850R Service Manual ↓ Size: 8.17 MB | Pages: 86 in PDF or view online for FREE

Model
CDX-C8850R
Pages
86
Size
8.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-c8850r.pdf
Date
PREV: Sony CDX-C8850 / CDX-C9500 (serv.man3) Service Manual

Sony CDX-C8850R Service Manual ▷ View online

61
IC901  SAA6588T-118
IC951  MSM6688GS-2K
IC952  MSM6685JSDR1
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
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
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
62
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
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
+
–
IC551  LC89170M-TLM
IC151  TDA7427ADTR
IC271  BA8270FV-E2
IC352  TC7SET08FU (TE85L)
1
5
2
4
3
IN B
VCC
IN A
GND
OUT Y
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
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
63
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
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
IC602, 632  LM1973XM
IC604, 634  NJM2160AM-TE2
IC507  RN5VD33AA-TL
IC702  TC7W14FU (TE12R)
IC691, 752  TC7W66FU (TE12L)
IC802  TC74VHC08FT (EL)
IC804  TCTS32FU-TE85L
8 7
6
5
VCC
CONT1
OUT/IN2
IN/OUT2
IN/OUT1
OUT/IN1
CONT2
GND
4
3
2
1
1
5
2
4
3
IN B
VCC
IN A
GND
OUT Y
1
2
3
4
5
CD
NC
OUT
VDD
GND
RESET
1
7
8
3
4
5
2
6
1A
3Y
2A
GND
VCC
1Y
3A
2Y
8
9
10
11
12
13
14 VCC
7
6
5
4
3
2
1
GND
64
IC801  RSC-164
IC803  MSM534001E-49TSKFDR3 (TYPE A)
IC803  MSM534001E-50TSKFDR3 (TYPE B)
IC803  MSM534001E-51TSKFDR3 (TYPE C)
1
57
58
59
60
61
62
63
64
49
50
51
52
53
55
56
6
2 3
5
4
EXTERNAL MEMORY
INTERFACE
ADC
MUX
DATA BUS
8
7
9
14
10 11
13
12
16
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
19
18
17
15
A15
A14
A13
A12
A11
A10
A9
A8
GND
VDD
A7
A6
A5
A4
A3
A2
A0
A1
P10
P11
P12
P13
P14
P15
P16
P17
VDD
GND
RESET
XI1
P07
DACOUT
XO1
D7
D6
D5
D4
D3
D2
D1
D0
AIN1
AIN0
AGND
BUFOUT/PWM0
TEST/PWM1
AVDD
GND
SH
PORT 1
ADDRESS BUS
INTERNAL BUS
REGISTER
SPACE
STACK
SPACE
CPU
PORT 0
PULSE WIDTH
MODULATOR
TIMER
OSC
INTERNAL ROM
32 X 8 (HIGH)
INTERNAL ROM
32 X 8 (LOW)
WAKEUP LOGIC
(FROM PORT 0/1)
BUFFER
SLEEP
PON
WRD
RDD
WRC
RDC
GND
VDD
P00
P01
P02
P03
P04
P05
P06
XML
XMH
INTERRUPT
LOGIC
DAC
ADC
ANALOG
CONTROL
54
POWER
CONTROL
TIMING &
CONTROL
1
6
2 3
5
4
CE/OE
CONTROL
MEMORY CELL
MATRIX
524,288 X 8
X
DECODER
ADDRESS
BUFFER
Y
DECODER
MULTIPLEXER
OUTPUT
BUFFER
OE
A10
CE
D7
D6
D5
D4
D3
VSS
D2
D1
D0
A0
A1
A2
A3
8
7
9
14
10 11
13
12
16
15
32
27
31 30
28
29
25
26
24
19
23 22
20
21
17
18
A11
A9
A8
A13
A14
A17
A18
VCC
NC
A16
A15
A12
A7
A6
A5
A4
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