MEX-R5
20
20
MEX-R5
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM – SERVO Section –
AUTOMATIC POWER
CONTROL (FOR DVD)
Q1
RV2
A +5V
DVD
ANALOG FRONT-END
IC1
DVD PROCESSOR
IC6
SD-RAM
IC7
FLASH MEMORY
IC10
OPTICAL PICK-UP BLOCK
KHS-340B
RFP
20
AMUTE
RESET
142
RTS
CTS
TXD
RXD
198
R-CH
214
RFN
A
B
C
D
LD DVD
E
•
SIGNAL PATH
: DVD/CD (AUDIO)
: DVD/CD (VIDEO)
: OPTICAL OUTPUT
•
R-ch is omitted due to same as L-ch.
A +5V
DVD ON SWITCH
Q4
F
AUTOMATIC POWER
CONTROL (FOR CD)
Q5
LD CD
DIGITAL
OUTPUT
D/A CONVERTER
IC302
CN601
1
PD
VC
VC
GAIN SW
FCS+
210
LIMIT SWITCH
MODE SW
215
VR DVD
CD ON SWITCH
Q3
COIL/MOTOR DRIVE
IC2
Q2
VR CD
FCS–
TRK+
TRK–
D +1.5V
HALL V+ (H2+)
HALL V– (H2–)
HALL W+ (H3+)
HALL W– (H3–)
HALL_BAIS–
21
38
19
18
17
16
39
15
3
MUTE1
MUTE2
15
11
FRONT
VIDEO OUT
CN301 (1/3)
15
VIDEO SELECT,
75 OHM DRIVER
IC701
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
29 – 35
89 – 92, 95 – 98,
63 – 68,
148 – 158, 170,
167 – 164,
35, 33, 31, 29
16 – 25, 48, 45
28
14
12
DVD-L
VIDEO
Z_MUTE
MUTE1,
MUTE2
X1
36.864MHz
E SIGNAL
RV1
F SIGNAL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299