Sony DVP-NS300 Training Manual page 15

Keep in mind that SW101 is a "hard off" switch. With the switch OFF, the unit will not turn ON with the remote.
Soft ON/OFF(standby) is controlled by the P-CONT line and Q712: it controls +11V via Q211, +5V via Q311, and
SW+3.3V via Q611.
AV-59 BOARD
AI+5V
6
CN101
AU+11V 7
SW-11V 3
EVER
5
+3.3V
IC201
OPTICAL DIGITAL
OPTICAL
7
8
AUDIO-D/A
Waveforms
These waveforms were taken at key areas of the power supply:
Figure 3-3 - Scope Shot – Q101 / Drain – Stby
304.5 Vpp Timebase: 0.1 ms
Mode. -
Q206
Q201, 205
D201
OUT
FIGURE 3-2 - ADDITIONAL REGULATORS
Power supply 4
Q101 / Drain / standby mode
Power Supply 8
AV-59 Board
IC101
-5V REG
IN OUT
2 3
IC201
+5V REG
IN OUT
1 3
MUTE V
Figure 3-4 - Scope Shot – Q102/Gate –
Stby Mode. 1.254 Vpp (small: ~0.6 Vpp)
Timebase: 2 ms
13
IC102
VIDEO
BUFFER
IC202
AUDIO AMP
IC203
5.1CH FRONT
AUDIO AMP
IC204
5.1CH REAR
AUDIO AMP
IC205
5.1CH
CENTER/WOOFER
AUDIO AMP
Power supply 6
Q102 / GATE / standby mode
3. Power Supply
CN102
8
21
6
3.5DVD5 4/11/03