56
56
RCD-W500C
6-1. Block Diagrams – CD-R Section –
• Signal Path
: CD-R PLAY(ANALOG OUT)
: CD-R REC(ANALOG IN)
: CD-R REC(CD)
A
E
F
G
RF AMP
IC101
203
202
200
201
MPXOUT
MPXOUT
B
C
D
H
DRAM
IC202
LD-VCC
FPDO
OPTICAL
PICK-UP BLOCK
(KRM-220CAA)
PD-VCC
PD-VC
FPD-VC
+5V A
IC103(1/4)
+2.5V-2
IC103(2/4)
+2.5V-1
VWDC1
VRDC
OSCEN
ENBL
WE1
WE2
FCS+
FCS-
TRK+
TRK-
VWDC2
OSCEN
RLDON
WE1
WE2
FCS+
FCS-
TRK+
TRK-
IC103(3/4)
IC502
1
2
4
IC102
FE
TE
FE
TE
WLDON
WLDON
MIRR
RC
µ
COM
IC501 (1/2)
S170
LOAD IN
S171
LOAD OUT
X501
20MHz
1
2
4
1
2
4
IC504
+5V-D
1
2
4
IC506
IC505
1
2
4
10
8
14
12
5
3
IC503
+5V-D
SDATAI(HOST)
SDATAO(HOST)
XREQ
RESET
XRDY
DIN1
13
12
IC301(1/6)
10
IC301(2/6)
DIN2
1
2
IC301(3/6)
3
4
IC301(4/6)
1
2
4
IC302
+5V-D
DOUT
IC103(4/4)
IC104(2/3)
2
6
IC104(1/3)
1
7
IC104(3/3)
9
8
IC301(5/6)
2
4
IC150
2
KEY
PCIFE
XFIRM
4
2
IC204
34MHz
CD DEC/ENC
IC201
204
207
168
167
X201
33.8688MHz
135
112
113
137
143
131
159
160
194
133
111
122
OSCEN
RLDON
WE1
WE2
140
127
HALL
DEVICE
U+
U-
V+
V-
W+
W-
126
136
VH+
VH-
SPINDLE
MOTOR
FCS+
FCS-
TRK+
TRK-
COIL/MOTOR DRIVE
IC171
M
LOADING
M201
MOTOR
M
SLED
MOTOR
125
124
123
+2.5V-1
MOTOR DRIVE
IC172
+5V-D
+2.5V-1
IC110
3.3V-D
3.3V-A
5V-D
µ
COM
IC501 (2/2)
ENC
OUT
THERM
OUT
CN112
CN121
FOR SERVICE
(TO JIG)
FOR SERVICE
5
7
3
1