Sony CDX-C5050X Service Manual ▷ View online
21
21
04
I-V
CONV.
FOCUS
ERROR
DIGITAL
CLV
SUB
CODE
PROCESS
TRACKING
ERROR
LD
DRIVE
Q101
FOCUS
COIL
DRIVE
RF
EQ
EQ
EFM
DEM
D/A
I/F
D/A
CONV.
RFO
RFAC
LOUT1
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
A
F
11
10
PD
4
LD
3
7
6
8
13
14
16
LD
AMP
LD ON
HOLD SW
AGC CONT
22
21
20
5
RF AMP, LD APC,
ERROR AMP
IC1
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
10
11
22
21
TRACKING
COIL
DRIVE
8
9
25
24
SLED
MOTOR
DRIVE
6
7
31
32
32
FOCUS
COIL
TRACKING
COIL
M902
SLED
MOTOR
SPINDLE
MOTOR
DRIVE
12
13
18
M901
SPINDLE
MOTOR
LOADING
MOTOR
DRIVE
5
4
1
2
34
35
M903
LOADING
MOTOR
MUTE 1
MUTE 2
42
43
40
41
38
39
35
52
51
50
61
92
LOUT2
95
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
DATA 13
XLAT 14
SCLK 17
CLOK 15
SENS 16
SENS 16
GFS 22
FOK 32
FOK 32
XTALI 86
XTALO 87
LOCK
34
54
SERVO
CTL
X2
16MHz
SW4
(LIMIT)
SW1
(DISC IN)
SW3
(LOAD IN)
BATT
SW2
(SELF)
CD MECHA ON
SWITCH
Q903, 913
CD ON
SWITCH
Q701, 702
+11V REG
Q920
CD +6V
REG
Q922
CD +5V
REG
Q703
CD +5V
CD +6V
LM EJ
69
LM LOD
66
SLED –
40
DRIVE ON
70
LD ON
20
HOLD
22
AGC CONT
23
CD ON
18
CDM ON
17
SSTP
11
FOK
54
GFS
55
SENS
57
CD CKO
65
SCLK
45
CD XLAT
68
CD DATA
67
CD RST
21
MD2
71
SCOR
64
SCK2
(DISPLAY BOARD)
48
SI2
49
LOCK
CD L
R-CH
46
D SW
10
IN SW
64
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC801 (1/3)
BUS CLK 51
A MUT 19
OPEN 6
BUS SI 52
X IN 31
X OUT 32
BUS SO 53
LNK OFF 8
X1
10MHz
TUNER
SECTION
A
ATT
TUNER
SECTION
B
BUS ON 61
RESET 30
BU IN 60
S900
(RESET)
RESET
3
1
IC902
BU 5V
BATT (L)
CHECK
RESET
33
BU IN
28
SYS RST
19
BUS ON
20
UNI SO
42
UNI SI
43
UNI CLO
44
UNI CLI
41
OPEN
93
MUT
70
BATT
10
3
RESET
13
2
BUS ON
12
9
8
11
1
4
6
BUS INTERFACE
IC802
CLK
DATA
Q803
5
4
6
2
1
3
8
7
CNP801
BUS
CONTROL IN
Q801
A
C
B
D
E
F
PD
LD
OPTICAL PICKUP
KSS-720A
BATT
SIRCS
DISPLAY
SECTION
SECTION
C
• Signal path
: CD
CDX-C5050X/C5055
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 22)
(Page 22)
(Page 23)
22
22
CNJ600
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
19
AM IF
14
S-METER
12
SDA
13
SCL
4
FM AGC
16
VDD (5V)
11
IF BW
5
VDD (8V)
17
SDA (EEP)
18
SCL (EEP)
ANTAM
TUNER UNIT
TU601
2
45
47
72
12
14
15
20
21
18
11
13
1
3
30
SYSTEM CONTROL
IC801 (2/3)
ELECTRONIC VOLUME
IC701
LINE AMP (L CH)
IC402
AUX L
INFL
INRL
OUT LF
OUT FL
OUT RL
29
2
7
13
12
OUT LR
35
BEEP
69
AMP ON
71
AMP MUTE
65
TEL MUT
64
ACC IN
CD L
MPX
AM
AM IF
LEVEL
MPIN
SDA
SCL
MUTE
VOL MUT
S-MRTER
SDA
SCL
FM AGC
TU +8V
BACKUP +5V
TU +5V
EEP SDA
EEP SCL
R-CH
L
R
BUS AUDIO IN
R-CH
L
R
AUDIO OUT REAR
CD
SECTION
A
MUTE
SWITCH
Q401, 402
Q102
MUTE
Q101
MUTE
–3
–4
R
-CH
L
R
AUDIO OUT FRONT
–1
–2
–5
–6
ATT
CD
SECTION
B
22 MUTE
4 STAND BY
11
12
5
3
9
8
POWER AMP
IC101
1
9
2
10
CNP501
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16 BATT
13 ATT
5 AMP REM
6 ANT REM
R-CH
BATT
F901
TEL
MUTE
Q916
7 ACC
15 TEST
99
73
PW ON
25
DOOR IND
66
TEST IN
ACC
CHECK
Q905
TU +8V
REG
Q602
COM +8V
REG
Q904
TU +5V
REG
Q601
BATT
CHECK
Q906
POWER SUPPLY
IC901
1
TU ON
4
2
BATT
BATT
BATT
VCC
AMP +B
5
BU +B
3
GND
AMP ON
PULL UP +5V
BACKUP +5V
TU +8V
TU +5V
3
04
75
74
AMP +B
SWITCH
Q921
COM +8V
TU ON
SWITCH
Q902
TU ON
SWITCH
Q603
PW ON
SWITCH
Q919
DOOR IND
SWITCH
Q908
Q907
PJ400
PJ400
• Signal path
: FM
: AM
: CD
: AM
: CD
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 21)
(Page 21)
CDX-C5050X/C5055
23
23
tuner unit
(TU601)
(TU601)
DISC IN SW board
DISPLAY board
RELAY board
SERVO board
MAIN board
LIMIT SW board
KEY MATRIX
LSW901-908
LSW910-915
LSW901-908
LSW910-915
S901-904
KEY
ACTIVE
Q914
KEY
ACTIVE
Q915
AMBER
DRIVE
Q901
GREEN
DRIVE
Q902
IR
RECEIVE
KEY ACT
CNP802
(REMOTE IN)
ROTARY
ENCODER
RE901
IC951
S901
(NOSE)
X801
32.768kHz
80
79
27
16
15
12
13
5
21
22
23
47
26
81
18
7
29
SYSTEM CONTROL
IC801 (3/3)
LCD DRIVE
IC901
KEY IN0
DATA
CE
CL
LCD DATA
LCD CE
LCD CLK
POWER
CONT
Q911
+10V REG
Q912
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
SIRCS
RE IN0
RE IN1
NOSE
ILL +B
XO
XI
OSC OUT
24
ILL ON
F/P +10V
BATT
OSC IN
X800
14.432MHz
LED910-915
LSW901-908
LSW910-915
LSW910-915
LED921-924
64
4
I
51
•
52
I
55
S04
I
S51
COM1
I
COM4
62
63
2
1
GREEN
AMBER
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
04
Q802
SIRCS
CD
SECTION
C
C5055
LED901-904 C5055
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 21)
3-5. CIRCUIT BOARDS LOCATION
CDX-C5050X/C5055
24
24
3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
CDX-C5050X/C5055
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
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