Read Sony HCD-RG66T Service Manual online
HCD-RG66T
29
29
7-7.
SCHEMATIC DIAGRAM – BD Board –
•
See page 28 for Waveforms.
•
See page 48 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
A
MAIN
BOARD (1/4)
CN201
1
2
3
4
5
6
RV101
E-F BALANCE
(1 TRACK JUMP)
TP
(RFDC)
TP2
(TEO)
TP
(DVC)
680
220k
33k
TP
(FEI)
TP
(RFAC)
Q101
2SB710A-RT1
AUTOMATIC
POWER CONTROL
RF AMP,
FOCUS/TRACKING
ERROR AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
TP
(FEO)
DIGITAL SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER,
D/A CONVERTER
Q102
2SD1664-T100-QR
+3.3V REGULATOR
+3.3V REGULATOR
DSP+5V (SW)
D-OUT
DSP-GND
L-CH
RF-GND
R-CH
RF+5V (SW)
X-RST
CD-DATA
CD-CLK
LD-ON
SQ-DATA
SQ-CLK
M-GND
M+7V (UNSW)
X-LAT
(Page
34)
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