Sony CDC-R304 / CDC-X104EE / CDC-X204 / CDC-X304 / CDC-X444 Service Manual ▷ View online
17
17
CDC-R304/X104EE/X204/X304/X444
Pin No.
Pin Name
I/O
Pin Description
54
LCD CTL
O
“H” output: LCD unit and key confusion, power off
“L” output: LCD unit and key confusion, power on
55, 56
NCO
O
Not used in this set. (Open)
57
DSSA
O
DSSA on/off change signal output (Cut off rear)
58
PANEL SW
I
Front panel attachment detection signal input “L”: with panel, “H”: without panel
59
DIAG
I
Condition signal input from the power IC
60
VOLATT
O
Electronic volume attenuate control signal output
61, 62
NCO
O
Not used in this set. (Open)
63
VSS2
—
Ground pin for I/O port
64
TU ATT
O
Tuner mute control signal output
65
NCO
O
Not used in this set. (Open)
66
NS MASK
O
Noise mask signal output
67
EEP CKO
O
Serial clock signal output for EEPROM communication
68
EEP SIO
I/O
Serial data signal input/output for EEPROM communication
69
NCO
O
Not used in this set. (Open)
70
AMPSTB
O
Power regulator IC standby signal output
71 to 73
NCO
O
Not used in this set. (Open)
74
NCO
O
Not used in this set. (Open)
75
COL SEL
I
“H”: Front panel illumination green (Initial value)
“L”: Front panel illumination amber (Initial value)
76
LCDSO
O
Serial data signal output to the LCD driver
77
LCDCE
O
Chip enable signal output to the LCD driver
78
LCDCKO
O
Serial clock signal output to the LCD driver
79
I2C SIO
I/O
I2C BUS serial data signal input/output
80
NCO
O
Not used in this set. (Open)
81
I2C CKO
O
I2C BUS serial clock signal output
82
DAVN
I
RDS data block synchronization detection signal input
83
SIRCS
I
Remote control signal input
84
NCO
O
Not used in this set. (Open)
85
BEEP
O
Beep signal output to the power amp
86 to 88
NCO
O
Not used in this set. (Open)
89
VDD3
—
Power supply pin for I/O port (+3.3 V)
90
COL SW
I
“L” input: two color change/initial slave color: amber
“H” input: one color/slave color: white
91
VSS3
—
Ground pin for I/O port
92
QUALITY
I
Noise detection signal input
93
VSM
I
S meter voltage detection signal input
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
NCO
O
Not used in this set.
97
KEYIN2
I
Key signal input (EJECT, OFF, SOURCE switch)
98
RE
I
Rotary encoder signal input
99
L METER
I
Level meter voltage detection signal input
100
VREF+
—
Power supply pin for A/D input converter
18
18
CDC-R304/X104EE/X204/X304/X444
3-2. BLOCK DIAGRAM — CD SECTION —
76
AGCO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
78
RFO
93
FEO
96
TEO
77 AGCI
92 FE–
95 TE–
97
TE2
98 TEC
52 FD+
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
71 RFI
68
EFM
69 ASY
84
82
85
83
87
86
E
C
D
A
B
F
1 LD
2
PD
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
13
14
VO1–
VO1+
15
16
VO4+
VO4–
17
18 VO3–
VO3+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN2+ 5
53 FD–
OPIN2– 6
54 TD+
OPIN1+ 2
55 TD–
OPIN1– 3
56 SD+
OPIN4+ 27
57 SD–
OPIN4– 26
58 MD+
OPIN3+ 24
59 MD–
OPIN3– 23
11
12
VO2–
VO2+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC2
12
SO
13
SI
11
SCK
6
RFOK
7
INTQ
10
STB
9
A0
8
RST
CD-L
MAIN
SECTION
A
20
LOUT
16
ROUT
R-CH
35 CD_SCK
38 CD RFOK
32 CD INTQ
41 CD STB
45 CD_SELFSW
44 CD_INSW
49 CD_LIMIT
40 CD_A0
39 CD RST
CD LM LO
46
CD LM EJ
47
SYSTEM CONTROL
IC501 (1/3)
34 CD_SI
33 CD_SO
SW2
(SELF)
48 CD_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
30
LMUTE
43 CD MUTE L
29
RMUTE
42 CD MUTE R
PD2
E
F
LD
PD
FCS+
FCS–
TRK+
TRK–
PD1
AUTOMATIC
POWER
CONTROL
Q1
• R-ch is omitted due to same as L-ch.
24
23
X1
16.934MHz
XTAL
XTAL
(Page 19)
19
19
CDC-R304/X104EE/X204/X304/X444
1 ANT
7 TU-LCH
SOUND CONTROL,
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
POWER AMP
MULTIPLE VOLTAGE
REGULATOR
IC750
SYSTEM CONTROL
IC501 (2/3)
CN601
6 TU-RCH
R-CH (FRONT)
R-CH (REAR)
R-CH (REAR)
BATT
9 CD-LCH
5 AUX-LCH
3 AUX-RCH
8 CD-RCH
R-CH
4
3
3
10
VCC
11
TU VDD
15
E2P VDD
13
TU-SCL
14
TU-SDA
9
RDS
6
5
8
MULTI
CONDITION
QUALITY
7
S-METER
16
TU MUTE
E2P SCL
17
E2P SDA
99 L METER
82 DAVM
28 TU ATTIN
92 QUALITY
66 NS MASK
93 VSM
64 TU ATT
64 TU ATT
67 EEP CKO
68 EEP SIO
68 EEP SIO
AUDIO+8.3V
TU+5V
BACK UP+3.3V
BACK UP+3.3V
L
R
CD-L
J601
(AUX IN)
R-CH
R-CH
15 OUT-SEL-R
OUT-SEL-L
16
R-CH
17
18
18
OUT SUB L
OUT SUB R
R-CH
L
R
5
3
3
OUT-FL+
OUT-FL–
OUT-RL+
OUT-RL–
9
7
7
29
27
27
AMP-REM
R-CH
ANT-REM
BATT
30
37
37
AUDIO+8.3V
B.UP+B
31
33
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
TU+5V
BATT
25
24
24
OUT-FR
OUT-RR
29
MUTE
2 SDA
AUDIO+8.3V
BACK UP+3.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+10V
4 SCL
SDA
SCL
16 BEEP
22 STB
25 DIAG
25 DIAG
AUDIO+8.3V
35 VP
15
13
7
10
12
11
16
1
9
2
4
3
5
6
30
31
31
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
81
I2C SCK
79
I2C SIO
60
VOL ATT
24
ATT
85
BEEP
70
AMPSTB
59
DIAG
31
BUIN
22
TEST IN
12 IN-FL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
23
OUT-FL
11 IN-RL
22
OUT-RL
MUTE
Q431
MUTE
Q481
AUDIO OUT
REAR
MUTE DRIVE
Q491,492
36
BUS ON
37
SYS RST
16 MPX
9 XTI
10 XTO
11
SCL
12
SDA
SCL
SDA
15
INTN
7
VDDD
VDDA
1
21
ACC IN
ACC CHECK
Q631
TU+5V REG
Q1
BATT
LOW VOLTAGE
DETECT
Q581
BATTERY
CHECK
Q582
REAR L/R
CUT OFF
SWITCH
SWITCH
Q403
DSSA ON/OFF
SWITCH
Q402
NS MASK
SWITCH
Q3
LEVEL METER
VOLTAGE DETECT
D401,402,Q401
RDS DEMODULATOR
IC51
MUTE
Q451
ATT
23
TEL ATT
57
DSSA
TEL ATT
Q651
D491,492
FU601
J331
D580
R304/X104EE/X304:
AEP,UK MODEL
AEP,UK MODEL
D581
CD
SECTION
A
BATT
B+ SWITCH
Q51,52
BACK UP
+3.3V
OVER VOLTAGE
DETECT
Q580
X51
8.664MHz
R304
R304
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AM/MW/LW
: AUX
3-3. BLOCK DIAGRAM — MAIN SECTION —
(Page 18)
20
20
CDC-R304/X104EE/X204/X304/X444
X502
32.768kHz
15
16
13
12
97
76
78
77
27
19
LCD DRIVER
IC901
KEYIN2
CLK
CE
LCD SO
LCD CKO
LCD CE
PANEL+10V
DIMMER
KEYACK
90 COL SW
75 COL SEL
RESET
2 IN
1
OUT
XIN
XOUT
OSCIN
OSCOUT
X501
27MHz
S702
RESET
63
64
62
1
COM1
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
LED921,922
LCD
BACK LIGHT
3
|
50
54
|
51
|
SEG3
SEG50
|
DI
LED901-920
BACK UP+3.3V
(
)
KEY MATRIX
S901-903
95 KEYIN0
KEY MATRIX
S912-920
94 KEYIN1
KEY MATRIX
S904-910
S911 (2/2)
98
SYSTEM CONTROL
IC501 (3/3)
RE
54
LCD CTL
83
SIRCS
ROTARY
ENCODER
S911 (1/2)
RESET
IC602
BACK UP
+3.3V
R304/X204/
X304/X444
X104EE/X304:
US,CND MODEL
DIMMER
CONTROL
Q901
CL
CE
DIMMER
BUCK UP+3.3V
PANEL+3.3V
SWITCH
Q503
1
2 OUT
VCC
REMOTE CONTROL
SIGNAL RECEIVER
IC971
IR
X444
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
3-5. CIRCUIT BOARDS LOCATION
MAIN board
AUX board
KEY board
SENSOR board
SERVO board
tuner unit
(TU1)
(TU1)
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