HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
32
32
6-1. BLOCK DIAGRAM – RF Section –
RF
DETECTOR
LASER
DIODE
(FOR CD)
OPTICAL PICK-UP
BLOCK
(KHM-313CAA)
Q1102 (1/2)
LD DRIVE
CONTROL (FOR CD)
VOA/A
VOB/B
VOC/C
VOD/D
VOF/F+H
VOE/E+G
VC
PD
CD LD
(780)
A
A
B
C
D
B
C
D
LASER
DIODE
(FOR DVD)
Q1102 (2/2)
LD DRIVE
CONTROL (FOR DVD)
Q1101
PD VOLUME
CONTROL
IC1201
FOCUS/TRACKING DRIVER,
LOADING/SPINDLE/SLED MOTOR DRIVER
IC501 (1/5)
SYSTEM CONTROLLER
XSYSRST
IFSCK
IFSDO
IFSDI
XIFCS
IC510
EEPROM
IC4502
BUFFER
IC707
A/D CONVERTER
(SERVICE JIG)
DVD LD
VR (650)
VR (780)
MSW
Q1103
10P
VCC
(650)
FOO
VREFO
TRO
FMO
DMO
NC
MCKO
LRCKO
BCKO
AMP_D2
AMP_D1
AMP_D0
TXD
RXD
V2REFO
RFMON
CN1105
1
2
5
6
L-IN
R-IN
7
5
XSYSRST
S001
(CHUCK/TRAY DETECT)
M203
(LOADING MOTOR)
XSYSRST
OCSW1
CKSW
LDM+
LDM-
FMO
FOO
DMO
TRO
(LIMITSW)
2AXIS
DEVICE
FOCUS/
TRACKING
COIL
FCS+
FCS-
TRK+
TRK-
SP-
SP+
SL-
SL+
M
M
M
M
1
3
M
+
+
IC410
BUFFER
•
SIGNAL PATH
: TUNER
: DVD PLAY
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
9
0
5
1
5
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299