Sony DVP-S320 Service Manual page 51

DVP-S320
AU-208 (AUDIO/VIDEO BUFFER) PRINTED WIRING BOARD
– Ref. No.: AU-208 board; 2,000 series –
AU-208 BOARD
CN301 B-2
D301 A-11
D304 A-8
D305 A-8
D306 A-7
D307 A-7
D308 C-2
D431 B-6
D432 B-6
IC301 C-11
IC302 A-11
IC321 B-4
IC431 B-7
IC505 A-1
Q301 B-5
Q303 A-11
Q304 B-2
Q305 B-5
Q321 B-5
Q322 B-5
Q341 A-1
Q435 C-6
Q436 B-6
Power Block (HS-030SH)
TK-51
(SWITCHING REGULATOR)
(RF/SERVO)
AU-208
(AUDIO)
FR-146
(IR/POWER SWITCH)
MB-82
MS-46
(SIGNAL PROCESS/SERVO)
(LOADING)
FL-97
(FUNCTION SWITCH)
AUDIO/VIDEO BUFFER
AU-208
4-39
There are few cases that the part isn't mounted in this model is printed on this diagram.
• Waveforms
1 IC321 2 3 IC321 7
1.1 Vp-p (H)
2 IC321 4 4 IC321 !º
1.2 Vp-p (H)
5 IC321 !£
860 mVp-p (H) 2.4 Vp-p (H)
6 IC321 !∞
1.8 Vp-p (H) 2.0 Vp-p (H)
4-40