Read Sony CDX-T70MXDC Service Manual online
CDX-T70MXDC/MP3 CDC 6
21
21
CDX-T70MXDC/MP3 CDC 6
5-5. SCHEMATIC DIAGRAM – RF Board –
R210
R209
C206
CN102
R127
C107
C117
C109
C108
TP1
TP2
TP3
TP4
TP6
TP5
C112
R121
R120
C114
C115
C119
IC201
C202
C201
R201
R106
R117
R109
R110
R112
C111
R119
R118
C116
C113
R116
R111
R202
C217
C203
R203
R204
R206
R205
C204
C205
R207
R208
R212
R220
R211
C208
R213
R214
C211
C209
R215
R218
R219
R216
R222
R223
SW101
SW102
CN101
IC101
Q102
C110
R128
TP(RFAC)
TP(VC)
TP(TE)
M101
M102
M103
R113
R103
Q101
33k
10k
470p
16P
22
100
4V
0.1
0.1
100
4V
0.1
22k
22k
0.1
100
4V
0.1
LA6576L-TE
0.1
470
16V
16V
10k
100k
3.3k
100k
18k
R114
10k
10k
0.1
1k
22k
0.1
0.1
100k
10k
10k
0.1
470p
10k
33k
33k
10k
470p
470p
10k
33k
68k
12k
47k
0.022
47k
56k
0.022
0.022
10k
10k
33k
33k
1k
820
22P
CXA2581N-T4
DTC124EKA
-T146
100
6.3V
1k
12k
R115
15k
22
2SA1037AK-T146-R
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA1
AA2
AA3
AA4
AA5
AA6
AA7
FWD
REV
S-GND
VREF-IN
VREF-OUT
VIN1-SW
REG-OUT
VL0-
VL0+
VIN1-A
VIN1+A
VIN1-B
VIN1+B
VIN2+
VIN2-
VIN2
VIN3
VIN3-
VIN3+
REG-IN
VIN4+
VIN4-
VIN4
MUTE2
MUTE1
VIN1
VO4+
VCC2
VCC1
VO4-
VO3+
VO3-
VO2+
VO2-
VO1+
VO1-
E
F
VCC
VC
VR
PD
LD
GND
A
D
T(-)
T(+)
F(-)
F(+)
B
C
8V
GND(8V)
SFDR
SRDR
MDP
TFDR
TRDR
FFDR
FRDR
5V
GND(5V)
DVCC(3V)
FE
TE
VC
RFDC
RFAC
SAVE_SW
LIM_SW
R/RW_SEL
LD
PD
AC_SUM
GND
A
B
C
D
E
F
SW
DVCC
DVC
RFAC
FE
FEI
TE
TE_BAL
CE
CEI
VCC
RFG
BST
VFC
RFC
VC
RFDCO
RFDCI
LOADF
LOADR
OFST
DC_
IN
EQ_
I-V
AMP
PD
LD
16
1
(FOCUS)
(TRACKING)
2-AXIS
DEVICE
LASER DIODE
DETECTOR
VCC
VC
FLEXIBLE
BOARD
OP
POWER CONTROL
AUTOMATIC
RF AMP,
FOCUS/TRACKING
ERROR AMP
RF AMP OFFSET
CONTROL SWITCH
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED/CHUCKING
MOTOR DRIVE
FLEXIBLE
BOARD
MAIN
ON:WHEN COMPLETION OF THE DISC
SW101
(LIMIT)
SW102
ON:WHEN THE OPTICAL PICK-UP IS
INNER POSITION
(CHUCKING)
(SPINDLE)
(SLED)
(CHUCKING END DETECT)
CHUCKING OPERATION
721
(Page 26)
•
See page 28 for Waveforms.
•
See page 28 for IC Block Diagrams.
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