Read Sony CDP-CX55 Service Manual online
— 36 —
— 35 —
CDP-CX55
— MAIN SECTION —
MIX AMP
IC301
MUTE
Q331
MUTE
SWITCH
Q381
5
1
LINE AMP
IC302
6
1
MUTE
Q301
POWER
ON/OFF MUTE
Q380
DIGITAL OUT
OPTICAL
IC701
TRACKING GAIN
CONTROL SWITCH
Q501
MUTE
Q302
MUTE
SWITCH
Q304
MUTE
DRIVE
Q305
MUTE
Q303
MUTE
SWITCH
Q382
RESET
SWITCH
Q502
LED DRIVE
Q902, Q903
Q905, Q906
Q905, Q906
D901-D904
D945
28
29
59
51
52
60
58
55
54
50
49
48
47
44
61
53
52
47
6
54
55
22
26
27
18 19 20 21
53
42
25
23 24
38 39 40
56
2
3
1
RESET
IC201(1/2)
LED DRIVE
Q904
5
3
2
61-64 • 1-31 • 60
46-33
7-20
25-60
BUFFER
Q901
1
•
3
63
•
65
D905
DISC SENSOR
Q51
Q51
1
3
5
KEY MATRIX
S901-S919
REMOTE
SENSOR
SENSOR
IC802
1
LOADING
MOTOR
DRIVE
TABLE
MOTOR
DRIVE
TABLE
SENSOR
IC51-IC53
T.SENS1
|
T.SENS3
3
2
16
17
8
9
10
11
14
15
16
17
M
M
M61
LOADING
MOTOR
M62
TABLE
MOTOR
62-64
65
13
30
43
46
45
31
32
41
20
66
68-71 • 74-77
27
1-10 • 21 • 23-26
11-13 • 15-19
RESET SWITCH
Q503
RESET
IC203 (1/2)
8
LED DRIVE
Q802, Q803
D841-D843
AU BUS
BUFFER
BUFFER
Q701
RECT
D205
D205
RECT
D201, D202
RECT
D203, D204
+5V REG
IC201(2/2)
7
1
+7V REG
IC202
3
1
+5V REG
IC203(2/2)
3
1
–30V REG
Q201, Q202
DISC SENSOR
D51
LOUT
RST
MUTL
DOUT
XMODE
SCLK
SRDT
DQSY
RWC
WRQ
DRF
COIN
SQOUT
CQCK
SL+
SL–
SL–
BD
SECTION
XMODE
ICSW
LDOUT
LDIN
TBLL
TBLR
ZMUTE
SCLK
SRDT
DQSY
RWC
RWC
WRQ
DRF
COIN
SQOUT
CQCK
SL+
SL–
CQCK
SL+
SL–
TGC
TGC
RESET
FLLT
FLCK
FLDT
LED(PLAY)
LED(PAUSE)
LED(POWER)
LED(MEGA)
HHOUT
D.SENS
DOORSW
JOG1
JOG2
KEY0
KEY1
KEY2
WE
RMIN
CS(FLLT)
CP(FLCK)
DA(FLDT)
VF1
P1
|
P35
2G
|
15G
VF2
VF1
VF2
FL901 FLUORESCENT INDICATOR TUBE
T501
1G
P1
|
P35
2G
|
15G
1G
TP501
S920
PUSH OPEN
DISC
SENSOR
SENSOR
JOG
RE901
DISC/CHARACTER
+5V
–30V
–12.4V
+7V
+5V
AC IN
VF1
VF2
VF2
FL901
T501
POWER
TRANSFORMER
TP302
(ADJ)
X501
10MHz
J701
S-LINK
CONTROL-A1
CD3
CD2
CD1
S701
COMMAND MODE
CD
MOTOR DRIVE
IC601
S52
(DOWN)
S51
(UP)
SYSTEM CONTROL
IC501
DOWNSW
CD1/2/3
BUSIN
BUSOUT
XTAL
EXTAL
ADJ
A0
|
A14
D0
|
D7
UPSW
WE
A0
|
A14
D0
|
D7
RESET
CE
S RAM
IC502
LINE OUT
2ND CD IN
J301
D304
B
BD
SECTION
A
1-12 • 78-80
FL DRIVE
IC901
09
VOLTAGE
SELECTOR
S201
E, PX MODEL
• R ch is same as L ch.
• Signal path
: CD
: CD (digital)
• Signal path
: CD
: CD (digital)
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