Cd Section - Sony RCD-W50C Service Manual

– CD Section –
IC104
SELECTOR
12
14
15
11
OPTICAL PICK-UP
3
BLOCK
RF AMP
(A-MAX.3)
IC103
A
VC 27 VC
10
RFC 26
+5V
PD1
6 A
PD2
7 B
8 C
RFAC 15
9
D
I5-10
10 E
RFDCO 28
I1-6
11 F
Q101
FE 16
LD
LD
1 LD
TE 18
DRIVE
GND
FEI 17
RFDCI 29
PD
2 SW 12
PD
VR
MOTOR/COIL DRIVE
IC102
F-
47 VO1+ IN1+ 35
FOCUS
COIL
F+
52 VO1- IN1- 34
T-
55 VO2+ IN2+ 32
TRACKING
COIL
T+
56 VO2- IN2- 31
IN3+ 27
IN3- 26
5 VO4 +
(SPINDLE) M
IN4R 24
10 VO4 -
IN4 23
VO3 +
1
M SW 19
(SLED)
2 VO3 -
STBY 8
IC201
+3.3V
+3.3V +5V
REG
+5V
13
1
5
2
DIGITAL SERVO
4
DIGITAL SIGNAL PROC.
D/A CONV.
B
IC101
9
IC105
2
DOUT 64
CD & SYSTEM CONTROL
50 RFAC
IC1 (1/2)
DATA 4 98 DATA
43 RFDC
CLOK 6 99 CLK
XLAT 5 27 XLT
39 FE
41 TE
40 SE
17
SQCK 77 SQCLK
SCLK 8
SCOR 90
15 SCOR
SQSO 76 15 SUBQ
SENS 7 18 SENSE
33 FFDR
LIMIT SW
34 FRDR SSTP 26
DA-DATA-IN
31 TFDR
DA-DATA-OUT
XTAI 71
32 TRDR X201
XTAO 72
29 SFDR
XRST 2 32 BDRST
30 SRDR
XTSL 69 24 CTRL1
25 MDP
CTRL1(1-2)
1-4
23 X4
12 PWM1
19 PWM2
20 PWM3
14 LDON
IC701
2 6 57 CLP_NEG
M701
MOTOR
ELEVATOR M
DRIVE
UP/DOWN
7
3 56 CLP_POS
IC702
7 3 55 LOD_NEG
M702
MOTOR
LOADING M
DRIVE
MOTOR
2 6 54 LOD_POS
Q703
Q701
DISC IN
86 D SENS
SENSOR
4
CD-R IN 6
CD-R OUT 7
XRDY 28
XREQ 33
A/D,D/A CONV
IC500
44 RX2 TX1 13
3 9 RX3 2
CDTO IC610
4 8 CDTI
OPTICAL
5 10 CCLK RX1 42 DIGITAL
DA-CLK
IN
DA-LATCH 8 11 CS
DA-RESET 25 5 PDOWN
IC620
DZF 67 30 DZF
OPTICAL
INT0 94 6 INT0 TX2 14 DIGITAL
OUT
7
INT1 95 INT1
L-IN 38
16 TX3
L-OUT 32
R-IN 37
4 RX4
R-OUT 33
D181
A_MUTE 29
Q310
RELAY
SCMS 31
DRIVE
IC100
EEPROM
DI 63 5 SDA
SK 64 6 SCL
WP 65 7 WP
57 57
DIN2
A
DIN1
DOUT
SDATAO(HOST)
SDATAI(HOST)
XRDY
XREQ
RESET
IN
DIGITAL
OPTICAL
OUT
IC310
IC310
IC370
MUTE MUTE
Q181 Q191
MUTE SW
Q380
IC370
RY310 MUTE
Q281
MUTE
Q291
B
RCD-W50C
• Signal Path
: CD PLAY
: CD-R PLAY(ANALOG OUT)
: CD-R REC(ANALOG IN)
: CD-R REC(CD)
J310
L
IN
R
ANALOG
L
OUT
R
IC390
J790
PHONES
IC390
RV790
PHONE LEVEL