Schematic Diagram - Bd Board - Sony HCD-RV7 Service Manual

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7-8. SCHEMATIC DIAGRAM – BD Board – •
(CHASSIS)
CN101
28P
7V TP55
MGND TP56
MGND
R236
1k
STBY TP57 BB7
MDP TP58 BB8
SFDR TP59 BB1
SRDR TP60 BB2
TFDR TP61 BB3
TRDR TP62 BB4
T E
L 1 3 9 4 2 2 9 6 5 1 3
FFDR TP63 BB5
FRDR TP64 BB6
R235
1k
SSTP TP65
VCC(4.5V) TP66
GND TP67
GND
FE TP68 (FE) AA1
(Page 30)
SE TP69 AA2
TE TP70 (TE) AA3
RFDC TP71 (RFDC) AA4
RFAC TP72 (RFAC) C213 0 AA5
DVC TP73 (DVC)
DVCC(2.5V) TP74
LD ON(D/A4) TP75 AA6
D/A3 TP76 AA7
D/A2 TP77 AA8
D/A1 TP78 AA9
CTRL TP79 AA10
LD GND TP80
w w w
.
•
See page 35 for Waveforms. See page 54 for IC Block Diagram.
R104 C107 R120
15k 33p 120k
AA1
AA9 R227 100k
AA3
C103 C101 R102 R105
470p 470p 15k 1k
C104
C102
0.0033
0.1
AA2
R103
100k
AA10
D101 Q102 R109
1SS355 UN2111-TX 100k
FREQUENCY
SELECT
TP21
AA4 SWITCH
AA7
R229
2.2k
R234
0
x a o
y
i
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8
TP27
C115 C120 C112
C117 C109
47 47 47
0.1 0.1
6.3V 4V 4V
TP49
FE RFAC
FEI DVC
TE DVCC
R231
TE_BAL SW
R126
CE F
R125
R112
CEI E
0
TP24
VCC D
TP23
R111 R114
RFG C
120k 47k
R228
BST B
470k
VFC A
RFC GND
R113
VC AC_SUM
2.7k C110
0.1
RFDCO EQ_IN
RFDCI PD
DC_OFST LD
C114
R118 R117 0.001
IC103
0 47k
CXA2581N-T
Q101
2SB710A-RT
RF AMP,
AUTOMATIC
FOCUS/TRACKING
POWER
ERROR AMP
CONTROL
TP22
C113
R122
100
C111 100k
Q Q 4V
C108 47
3 7 6 3
0.1 4V
C165
C153 FOCUS/TRACKING
10
0.1
16V COIL DRIVE,
SPINDLE/SLED
ABS
MOTOR DRIVE
IC102
AN41020A
IN4
R179
10k
R176
0
R152
4.7k
R151 C151
100k 0.022
u 1 6 3
.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
29 29
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2 4
9 9 8
CN102
16P
CC1 TP26 I1-6
AA5 VC
CC2 TP25 I5-10
VCC
1k AA6 CC3 PD2
33k CC1 GND
33k CC2 CC4 PD1
CC3 TP54 SW
CC4 CC5 PD
LD_GND
AA8 LD
VCC
TP51 T-
TP53 F-
CC5 TP50 T+
TP52 F+
C118
1
R124
10
C119
1
R123
10
1 5 1 5 0 8 9 2 4
C166
0.1
C182
100
10V
M102
(SLED)
M101
(SPINDLE)
m
C163
100 C164
10V 0.1
c o
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
HCD-RV7/RV8
2
9 9
9 8 2 9 9