Sony CDX-C90R Service Manual ▷ View online
– 25 –
• IC500 HD6413002F16 (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
VDD
—
Power supply pin (+5 V)
2
SIRCS
I
Remote commander input
3
SIRCS
I
Remote commander input
4
LCD-RST
O
LCD controller reset control output
5
ILL ON
O
LCD controller power supply control output
6
EL ON
O
LCD back light EL power supply control output
7
LCD-ST
O
LCD controller information start request signal output
8
CS-CTL
O
SRAM master chip enable control output (Not used in this set.)
9
BOOTI
I
Compulsory boot mode input
10
(RESO)
O
Connect to GND.
11
VSS
O
GND
12
LCD-SO
O
LCD controller serial data output
13
UNI-SO
O
BUS interface data output
14
LCD-RX
I
LCD controller serial data input
15
UNI-SI
I
BUS interface data input
16
UNI-CO
O
LCD controller serial clock ouput
17
UNI-CI
I
LCD controller serial clock input
18 – 21
D0 – D3
I/O
External RAM, ROM data bus input/output
22
VSS
—
GND
23 – 34
D4 – D15
I/O
External RAM, ROM data bus input/output
35
VDD
—
Power supply pin (+5 V)
36 – 43
A0 – A7
O
External RAM, ROM address bus output
44
VSS
—
GND
45 – 56
A8 – A19
O
External RAM, ROM address bus output
57
VSS
—
GND
58
WAIT
O
Not used.
59
(P61)
—
Not used.
60
(P62)
—
Not used.
61
NC
—
Not used.
62
STBY
I
Hardware standby input (Fixed at “H”.)
63
SYSRST
I
Reset input
64
BU-IN
I
Back-up power detection input
65
VSS
—
GND
66
EXTAL
O
Oscillation output (14.74 MHz)
67
XTAL
I
Oscillation input (14.74 MHz)
68
VDD
—
Power supply pin (+5 V)
69
AS
—
Not used.
70
RD
O
Read signal output
71
HWR
O
High write signal output
72
LWR
O
Low write signal output
73
MD0
I
Microcomputer operation mode input (Fixed at “L”.)
74
MD1
I
Microcomputer operation mode input (Fixed at “L”.)
75
MD2
I
Microcomputer operation mode input (Fixed at “H”.)
76
AVDD
I
A/D converter power supply input
77
VREF
I
A/D converter reference voltage input
78 – 83
(AN0 – AN5)
—
Connect to GND.
84
BU-IN
I
Back-up power detection input
85
PBS
I
Parking brake input
86
AVSS
—
A/D converter GND
87
BUS-ON
I
BUS-interface BUS-ON input
88
SRAM-CS
O
SRAM chip enable output
89
DEC-CS
O
Demodulator LSI chip enable output (Not used in this set.)
– 26 –
Pin No.
Pin Name
I/O
Pin Description
90
DEC-INT
O
Demodulator LSI initial output (Not used in this set.)
91
ROM-CS
O
PROM chip enable output
92
VSS
—
GND
93
UNI-REQ
O
Not used.
94
LINK-OFF
O
BUS interface link output
95
DEC-ON
O
Not used.
96
DEC-CLR
O
Demodulator LSI reset output (Not used in this set.)
97 – 99
A21 – A23
O
Not used.
100
A20
O
External RAM, ROM address bus output
– 27 –
– 28 –
CDX-C90R
3-2. BLOCK DIAGRAM — CD SECTION —
59 RFDC
55 FE
57 TE
80 SSTP
89
PCMD
87
LRCK
85
WDCK
91
BCK
DIGITAL SERVO/
DIGITAL SIGNAL PROCESSOR
IC501
71 TFDR
72 TRDR
72 TRDR
73 FFDR
74 FRDR
69 SFDR
70 SRDR
79 MDP
3
PD1
4
PD2
7
E
6
F
17
RFO
16
FE
14
TE
CD5V
RF AMP, LD-APC ERROR AMP
IC1
OPTICAL PICK-UP
KSS-520A
2
PD
PD
LD
LD DRIVE
Q3
1
LD
19
LD ON
2
TR+
1
TR-
14 F+
13 F-
23
OP+
24
OP-
10
OP+
TRACKING
FOCUS
11
OP-
9
MUTE
20
OP+
19
OP-
OP IN+
OP IN-
TRACKING/FOCUS COIL DRIVE,
SLED MOTOR DRIVE
IC7
SPINDLE MOTOR DRIVE
IC601
16 S+
17 S-
M902
(SLED)
12 SRDT
3
SCOR
5
MCK
1
EXCK
2
SBSO
4
WFCK
EEPROM
IC551
11 SCLK
13 DQSY
9
DATI
10 LRCI
11 WDCI
7
BCKI
16
15
17
17
DRAM CONTROLLER
IC2
20
|
23
•
25
•
34
|
38
33
XOE
32
XCAS
27
XWE
26
XRAS
A0-A9
D1-D4
45
SDTI
84
C4M
33
DOUT
28
SCOR
27
XROF
3
C4M
2
7
1
2
2
3
4
5
5
6
1
2
3
4
5
6
8
9
10
11
12
13
14
7
8
8
9
10
11
12
13
14
DIN
59 SCOR
4
XROI
20
WFCK
7
EXCK
6
SBSO
8
SQCK
CLOK
9
SQSO
1
WFCK
42 XWRE
43 WRDE
44 XLT
10
SENS
11
SCLK
24
GFS
37
FOK
47 XSOE
48 SDTO
57 XQOK
58 GSCR
12
DATA
14
GRST
SCK
25
RFCK
21
GTOP
5
RFCK
6
GTOP
CDINL
DRAM
IC4
A0-A9
D1-D4
14
XTAI
LRCK
BCK
DATA
4
XRAS
3
XWE
23 XCAS
22 XOE
18
CN2
(DIGITAL OUT)
DOUT
M
12 DROUT+
13 DROUT-
M901
(SPINDLE)
25
24
M
M903
(LOADING)
M
INVERTER
9
L+
7
L-
2
LMOT1
4
LMOT2
LOADING MOTOR
DRIVE
IC6
X1
10MHz
TX
SW4
(DOWN)
SW3
(LIMIT)
SW1
(DISC IN)
28
|
31
67 CD DATA
42 SCLK
54 FOK
55 GFS
16
43
44
44
CD SYSTEM
CONTROL
IC5
57 SENS
65 SCK 2
66 SI 2
20 LD ON
62 DIN SW
14 LM EJ
15 LM LOM
31 X IN
32 X OUT
17 CDMON
18 CD ON
9
DRV OE
10 D SW
45
GRSRST
ESPSDT
ESPXQOK
EMPH O
46
68
69
69
70
ESPXLT
ESPXRDE
ESPXWRE
GRSCOR
71
56
48
48
49
DATA
CLK
SCOR
ESPXSOE
64
19
59
61
52
BUS SI
BUS ON
AMUT
CD CKO
CE
51
60
30
RESET
BU IN
BUS CLK
5
•
9
|
12
•
14
|
18
1
•
2
•
24
•
25
6
FP OPEN
7
FP CLOSE
EMPH
FP OP
PW ON
FP CL
21
CD RST
SWITCH
Q1, 5
5V REG
IC8
5V REG
IC11
BATT
BATT
BATT
MD 5V
CD5V
D/A 5V
BATT
BU5V
SWITCH
Q2, 4
VC
SW2
(SELF)
63 SELF SW
BUS SI
BUS ON
AATT
BU IN
RESET
BU IN
BUS CLK
53
BUS SO
BUS SO
3
DISPLAY
SECTION
SECTION
Signal path
: CD
: DIGITAL OUT
: CD
: DIGITAL OUT
04
63
46
XRST 15
XRST
64
D/A CONVERTER
IC4
I-V CONVERTER
IC5
DIGITAL FILTER
IC1
L.P.F
IC6
44 DATAI
43 BCKI
45 LRCKI
1
D.IN.L
2
BCK.I
5
+10V
6
–10V
7
–5V
7
LE.I
DFDTOL
14
I.OUT
60
DFBCKO
23
DFLRCKO
24
DFDTOR
47
ATT
35 128FSO
46 INIT
1
P/C
2
VIN
R-CH
DFSO
MAIN
SECTION
2
MAIN
SECTION
1
48
SHIFT
DFCKO
49
LATCH
DFLAT
1
7
6
2
CLOCK GENERATOR
IC7
CF1
16.9344MHz
17
MCKIN
1
7
5
3
CLOCK GENERATOR
IC2(2/2)
DC/DC CONVERTER
DD1
X1
11.2896MHz
6
2
IC2(1/2)
GND ISOLATION
IC101
4
2
1
VIN
VC
VO
5V REG
IC9
D.F. 5V
4
2
1
VIN
VC
VO
9V REG
IC10
SERVO 9V
4
2
1
VIN
VC
VO
5V REG
IC109
AU +5V
DD +10V
–5V REG
IC108
AU –5V
DD –10V
DD –5V
59
2
1
MD 5V
(Page 29)
(Page 30)
(Page 31)
CDX-C90R
– 29 –
– 30 –
3-3. BLOCK DIAGRAM — MAIN SECTION —
LPF
Q722
FM 8V
TU 8V
AM 8V
L-OUT
R-OUT
AM-DET.OUT
S-METER (FM/AM)
SD (FM/AM)
ST-IND
AM-IFCOUT
FM-IFCOUT
VCO (FM/AM)
VT (FM/AM)
DX/LCL
RECEIVE/SEEK
TUNER UNIT
TU701
18
16
1
2
12
AM-IFOUT 14
AF.OUT L
11
19
50
98
112
113
13
20
22
22
11
21
21
6
5
4
13
41
42
40
30
16
DATA
21
CE
22
CLK
3
DFDI
6
CS
2
DFCKI
SUB
VOLUME
39
9
16
11
14
33
INPUT SELECT/TONE/SUB VOLUME
IC102
ELECTRONIC VOLUME
IC104
CN403
BUS CONTROL
IN
R-CH
R-CH
X721
7.2MHz
X301
32.768KHz
X300
3.68MHz
SI
FM STIN
SD IN
VSM
TUNATT
SO
PLL
CKO
CE
CE
X0A
X0B
X0
X1
AF SEEK
32
26
31
TONE
RY101
TIR
1
3
2
6
4
5
BUZZER
DRIVE
Q300
RELAY
DRIVE
Q303
+B SWITCH
Q991
MUTE
CONTROL
Q101
EL INVERTER DRIVE
IC550,Q553–556
Q781
Q703
S-METER
RV701
R-CH
R-CH
CD SECTION
CD L-CH
16
9
110
15
FM-DET
16
23
RDS 15
MPX
20 LVIN
IF.IN
AM.OSC
AM.OSC
FM.OSC
PD
DX/LO
SEEKOUT
XI
XO
D.OUT
NARROW
D.IN
CLK
CE
1
20
74
93
9
6
5
4
2
PLL
IC721
FM MUTE
IC761
AM NOISE CANCELLER
IC851
25
26
27
26
27
28
73
X951
4.332MHz
OSCO
OSCI
5
4
7
L IN
26
92
X901
4.19MHz
XT1
XT2
48
47
SO
CKO
CE0
ATT
DIRECT
105
104
101
CE1
CE2
102
103
99
15
81
78
79
56
BEEP
AM ON
FM ON
FM ON
TEL ATT
96
PW ON
97
ILL ON
85
BOOT DP
61
DIMMER
12
NOSE SW
ANTREM
ILLIN
ACC IN
29
P MOT+
30
P MOT–
31
I DET
IN
TEST IN
SYSTEM CONTROL
IC300 (1/2)
IC300 (1/2)
17
LAT
18
SO
19
CKO
DFLAT
AATT
BUIN
DFSO
DFCKO
PW ON
PW ON
TEL ATT
CONTROL
Q415
ACC
CHECK
Q417
DIMMER
CONTROL
Q416
ANT REM
CONTROL
Q801,802
RDS 5V
5V REG
IC802
FM 5V
BU 5V
AMP REM
ANT REM
TEL ATT
ILL
ACC
TEST
BZ300
(BUZZER)
FM-ANT
AM-ANT
FM+B
+B (FM/AM)
AM+B
1
2
8
IF IN
5
AF IF L
7
9
10
WIDE/
NARROW 24
1
(ANTENNA)
PN401
BATT
BATT
04
Signal Path
: FM
: MW
: MW
: CD
R-CH
R-CH
Q107
Q106
Q103
Q557
FRONT
PANEL
PANEL
(NOSE SWITCH)
Q552
Q851
VOL
114
TIRPLAY
120
13
MUTE
DRIVE
Q791,792
9
6
8
1
2
TIR/AM SWITCH
IC941
7
5
3
6
AM 8V
6
5
Q724
VT
SWITCH
IC722
1
7
3
2
WIDE
10
Q702
Q941
IC771
Q704
DET AMP
MPT
DAVN
DAVN
RDS
SI
CKO
CKO
MPTH
DAVN
DAVN
SDA
SCL
SCL
2
8
9
10
BUSY 5
CE 56
RD 55
WR 54
RESET 53
PDWN 35
CE 11
AOUT
18
RDS DEMODULATOR
IC951
TIR CONTROL
IC901
TIR SIGNAL REGISTER
IC921
49
72
70
72
70
71
FM ON
SWITCH
Q804
9V REG
IC801
D804
D801
BATT
FM 8V
2
3
1
VIN
VC
VO
TU 8V
AM ON
SWITCH
Q805
BAND
SWITCH
Q803
AM 8V
POWER ON
SWITCH
Q400,405
D313,314
109
108
100
17
8
OUT1
5
OUT2
PANEL MOTOR DRIVE
IC600
OPEN
CLOSE
19
RNF
6
VREF
20
D600
MOTOR VREF
CONTROL
Q601,603
M
M904
PANEL
MOTOR
1
4
5
4
2
1
16
6
3
115
118
D0
D3
LED DRIVE
Q302
BU 5V
TIR IND
62
LED301
TIR
ADPCM/
DAC
BUSY
CE
RD
WR
RES
PDOWN
CE
OUT
D0
D3
D.OUT 15
D.IN 11
RWCK 2
WE 16
CS 17
TAS 18
SAS 22
44
50
46
40
37
36
D.I/O
RWCK
WE
CSI
TAS
SAS
SAD 23
39 SADX
18
NARROW
CONTROL
Q721
L-CH
R-CH
-1
-2
IC107(1/2)
IC107(2/2)
IC105
FRONT
LINE OUT
R-CH
9V REG
IC602
BATT
MOT 9V
MOT 9V
BATT
EL ON
SITCH
SITCH
Q408,411
BATT
BATT
2
3
1
VIN
VC
VO
7
3
MOTOR LOCK DET AMP
IC601
Q605
40
MOTREF
D424
10V REG
Q403
P ON 10V
5V REG
Q401
BU 5V
DC +B
BU 5V
BATT
10V REG
Q402,404,406
ILL ON 10V
DC +B
BOOT
EL ON
ILL ON
4
DISPLAY
SECTION
SECTION
2
CD
SECTION
FRONT PANEL
ELECTRONIC
LUMINESCENT LIGHT
DF
SUB OUT
L-CH
R-CH
-1
-2
REAR
LINE OUT
L-CH
R-CH
-3
-4
L-CH
R-CH
-3
-4
BACK-UP
CHECK
Q900
(Page 28)
(Page 28)
(Page 32)
Click on the first or last page to see other CDX-C90R service manuals if exist.