
CX-JV77
29
29
CX-JV77
6-6. SCHEMATIC DIAGRAM – BD49 Board –
•
See Page 49 for IC Block Diagrams.
•
See Page 48 for Waveforms.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
R105
R102
R220
R234
FB111
R
1
0
1
C101
C102
C104
R103
R104
R111
C117
R115
R118
C103
C115
R131
R133
R113
R120
C107
C111
C108
C110
C112
C109
C120
R125
R126
TP12
TP13
TP14
TP15
TP16
TP17
TP20
TP19
TP11
C119
C121
C114
C113
R122
R124
R123
TP9
Q101
R132
TP18
C118
TP21
TP22
TP23
TP24
TP10
R109
R152
C158
R151
R156
C152
C150
C151
R153
R155
TP1
TP8
IC150
CN102
TP25
TP26
TP28
TP27
CN101
D101
TP6
Q102
C213
R119
R114
TP5
JW102
IC103
M102
M101
TP
TP4
TP3
TP2
S101
1k
15k
1k
0
0
0
470p
0.1
0.0033
100k
15k
120k
0.1
47k
0
470p
220
6.3V
100k
2.2k
3.3k
120k
33p
100
4V
0.1
0.1
100
4V
0.1
100
4V
18k
18k
E
D
A
B
C
F
PD
LD
VCC
1
10
16V
0.001
100
10V
100k
4.7
10
IOP
2SB710
470k
AGND
1
VC
100k
22k
0.01
10k
0
0.1
100
10V
0.1
0
0
MGND
BA5947FM
16P
29P
1SS355TE-17
(RFDC)
UN2111-TX
0
0
47k
(RFAC)
0
CXA2581N
(DVC)
(FE)
(SE)
(TE)
SD+
SD-
SP+
SP-
SP-
SP+
FD-
FD+
SD+
SD-
TD-
TD+
FFDR
FRDR
FD+
FD-
TD+
TD-
MDP
SFDR
SRDR
TFDR
TRDR
MDP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
RFSW
PWM3
PWM2
PWM1
RFSW
PWM3
PWM2
PWM1
T+
LD
PD
A
B
C
D
F
E
EQ_IN
AC_SUM
GND
SW
DVCC
DVC
RFAC
FE
FEI
TE
TE_BAL
CE
CEI
VCC
RFG
BST
VFC
RFC
VC
RFDCO
RFDCI
DC_OFST
VC
VCC
E
A
D
B
C
F
GND
LD
VR
PD
F+
T-
F-
MGND
MGND
7V
MDP
STBY
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
RFDC
RFAC
TE
SE
FE
DVC
CTRL
D/A1
D/A2
D/A3
LD ON(D/A4)
VCC(4.5V)
DVCC(2.5V)
DGND
AGND
AGND
(LIMIT)
FREQUENCY
SELECT SWITCH
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
AUTOMATIC
POWER
CONTROL
RF AMP,
FOCUS/TRACKING ERROR AMP
(SLED)
(SPINDLE)
(Page 32)
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