Sony PMC-D305 / PMC-D305L Service Manual ▷ View online
– 33 –
[CD BOARD]
(Conductor Side)
(Conductor Side)
TP
(TRACKING-Y)
TP
(VC)
TP
(RF)
TP
(FOCUS-Y)
[CD BOARD]
(Component Side)
(Component Side)
RV701
FOCUS BIAS
RV703
E-F BALANCE
RV704
TRACKING GAIN
RV702
FOCUS GAIN
CNP701
CNP706
Connection and Adjustment Location:
– 34 –
SECTION 6
DIAGRAMS
SW board
AUDIO board
CD MOTOR board
CD board
CONTORL board
SW (B) board
HEADPHONE board
LAMP board
SW (A) board
HEAD board
LINE board
TUNER board
TERMINAL board
JACK board
POWER AMP board
POWER board
• Circuit Boards Location
– 45 –
• IC Block Diagrams
IC1
TA2008AN
– PMC-D305 –
IC2
BU2614
– PMC-D305L –
IC2
BU2615S
1.3
±
0.2 Vp-p
– 69 –
4.8 Vp-p
16.9344 MHz
4.8 Vp-p
240 ns
6.7 Vp-p
280 ns
5 Vp-p
22.6
µ
s
Approx. 50 mVp-p
Approx. 50 mVp-p
• Waveforms
– CD Section –
– CD Section –
1
IC701
#¡
(RFO)
200 mV/DIV, 500 ns/DIV
2
IC701
$¢
(TI)
100 mV/DIV, 100 ns/DIV
3
IC701
2
(FI)
100 mV/DIV, 100 ns/DIV
4
IC702
@º
(LRCK)
2 V/DIV, 10 µs/DIV
5
IC702
@™
(BCK)
2 V/DIV, 200 ns/DIV
6
IC702
@∞
(XPCK)
2 V/DIV, 200 ns/DIV
7
IC702
#∞
(XTAO)
2 V/DIV, 50 ns/DIV
Note: This waveform is measured
between RFO and VC.
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