Au-222 (Video Buffer) Schematic Diagram - Sony DVP-F11 Service Manual

AU-222 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-39 for printed wiring board.
– Ref. No.: AU-222 board; 2,000 series –
1 2 3 4
AU-222 BOARD(2/2)
A
1
2
3
4
B+
B
5
6
B+
C
D
7
8
E
9
F
1
AU-222 BOARD(1/2)
10
(SEE PAGE 4-44)
G
L304
100uH
H
B+
R472
10k
VMUTE
1
0.4
VIDEOY
0.6
VIDEOV 0.6
I
2
0.7
VIDEOC
3
VS
J
Q323,324
DC
ON/OFF
K
L
11
M
12
05
5 6 7
R483
FB305 1800
4.9
R474
2200
Q325
R485
2SC2412K-T-146-QR
2.7 BUFFER
R482
3900 2
R484
220
EXCEPT HK,SP,AUS,CN
R486
470
R410
2SD1938(F)-T(TX).SO
R487
470
R411
2SD1938(F)-T(TX).SO
R488
470
R412
2SD1938(F)-T(TX).SO
R489
470
R413
6
IC308 2SD1938(F)-T(TX).SO
VIDEO BUFFER
IC308 B+
BA7660F-E2
R476
4.6
68
C350
R477
470u 6.3V
2
68
6dB 75
C346
2 100u 10V
5
C351
R478
2 470u 6.3V
68
6dB 75
C347
R479
100u 10V
68
2
C348 4
0.1u
R480
B
68
6dB 75
R481
2.1 68
4.6
4.6
R475
10k
0
Q324
UN2111-TX 0
Q323 R473
C353
UN2213-TX 10k C352
0.01u
47u
B
16V
4-45
8 9 10 11
CN306 3P
FB317
1 HPL
FB318
2 GND
FB319
3 HPR
J301
COAXIAL
B+
C356
1u R490
68 50V 0 FB309 JL304
JL305 1.7
D IN
R491
JL306 4.9
100
IC309
C355 C361
C373
HVE0024
220p 0.01u VCC
R492 47u
JL307
B
100k 16V OPTICAL
GND
C357-360
100p :HK,SP,AUS,CN
470p :EXCEPT HK,SP,AUS,CN
1k
Q330
C357
FNAC MUTE
*
CH
1k
Q331
C358
FNAC MUTE
*
CH
J302
1k LINE OUT
1
Q332
C359 FB310 JL308
FNAC MUTE
*
CH
FB311 JL309
1k FB312 JL310
Q333
FB313
C360 JL311
FNAC MUTE
*
FB314
CH JL312
FB315 JL313
FB316 JL314
D309
HZM6.8ZWA1TL
JL315
JL316
JL317
FB306
FB307
FB308
NO MARK:DVD/CD PLAY
SIGNAL PATH
VIDEO SIGNAL
CHROMA
D308 D311
HZM6.8ZWA1TL HZM6.8ZWA1TL
D310
HZM6.8ZWA1TL
PB
J303
WOOFER
OUT
C362
100p
CH
FB320
12 13
• Waveforms
1 IC308 2
HP-122 BOARD
CN501
(SEE PAGE 4-55)
PCM/DTS/
DOLBY DIGITAL
1.1 Vp-p (H)
2 IC308 4
1.2 Vp-p (H)
3 IC308 7
2
R
AUDIO
L
860 mVp-p (H)
VIDEO
4 IC308 q;
S-VIDEO
1.8 Vp-p(H)
5 IC308 qd
AUDIO
SIGNAL
Y Y/CHROMA
2.4 Vp-p (H)
4-46
DVP-F11
6 IC308 qg
2.0 Vp-p (H)
VIDEO BUFFER
AU-222 (2/2)