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HCD-S400
22
22
6-2. BLOCK DIAGRAMS
– RF/SERVO, VIDEO SECTION –
: CD
: DVD
• Signal Path
• R-CH is omitted due to same as L-CH.
: VIDEO
DVD/CD
PDIC
OPTICAL PICK-UP
DVD/CD
LD MOD
DVD LD
DRIVE
Q001
CD LD
DRIVE
Q002
RF
A-D
E-H
VC
DVD LD
CD LD
PD
VR
SW
IC001
DVD/CD RF AMP
DIGITAL SERVO
IC401
FOCUS/TRACKING
COIL DRIVE
SPINDLE/SLED/LOADING
MOTOR DRIVE
FOCUS
COIL
FCS +/-
SVC
FDRV+
FDRV-
TRACKING
COIL
TRK +/-
TDRV+
TDRV-
SPM +/-
MDSO
M
SPINDLE
MOTOR
SPFG
SLA +/-
SLB +/-
SLDA
M
SLED
MOTOR
SLDB
LDM +/-
LMP
M
LOADING
MOTOR
LMM
SLE
CHUCK
SENSOR
TRAY
SENSOR
IC302
SERVO DSP
198
199
139
176
177
168
167
LIMIT
SENSOR
LMCTL
200
WSAD0-7
SD10-7
HD8-15
HA0-7
6
IC304
MEMD0-15
MEMA0-9
IC303
16M DRAM
IC503
AV DECODER
215
218
213
.
210
208
.
205
HD0-15
HAD0-21
SDI0-7
133
130
136
.
139
137
.
140
.
159
.
157
162
.
164
.
167
.
170
.
173
.
176
.
.
.
A+3.3V
VIDEO
LEVEL
RV501
IC501
VDD
D+3.3V
IC801
MULTI CHANNEL
DSD DECODER
123
111
117
120
169
176
2
4
IC802
166
165
167
168
164
139
136
134
131
IC803
16M SDRAM
143
145
SDATAL
SDATAR
SDATAC
SDATALF
SDATALS
SDATARS
DSBC
DSMCK
IC701
VIDEO AMP
MONITOR
OUT
J700
VMUTE
IC804
D+3.3V
D+3.3V
VDCA
D+2.5V
VDD
NC
IC102
X102
27MHz
187
189
182
235
232
237
.
240
151
149
.
148
.
.
3
2
5
.
6
.
.
24
21
27
.
32
SP MUTE
TSD
IC108
32M ROM
(OTP)
512FS AVD
33M AVD
27M AVD
102 109 .
111 118 .
.
(KHM-240 AAA)
15 -22
· 24 - 31
HD0-15
HA1-21
3
· 2
· 43
· 44
NC
NC
NC
NC
NC
NC
NC
5
2
10
7
24
21
IC504,505
16M SDRAM
3
2
9
.
11
.
8
6.
5.
.
.
24
21
27
.
32
NC
1
3
4
5
RF
FE
TE
PI
CN404
TEST
CONNECTOR
SDI0-7
WSAD0-7
Summary of Contents for HCD-S400
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