Schematic Diagram - Bd49 Board - Aiwa CX-JV77 Service Manual

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