Sony RDR-HX680 Service Manual page 30

Q Q
For Schematic Diagram
3 7 6 3 1 5 1 5 0
• Refer to page 4-4 for waveforms.
• Refer to page 4-51 for printed wiring board.
2
1
AV-133 BOARD(3/5)
VIDEO/AUDIO
A
-REF.NO.: 10,000 SERIES-
B
IC402
C475
10
50V
R_IN
C472
BA4558F-E2
10
50V 4.4
L_IN
4.4
4.4
C
AV2_V/YIN
AV2_V/YIN
AV1_V/YIN
AV1_V/YIN
AV2_V/YOUT
AV2_V/YOUT
AV1_V/YOUT
AV1_V/YOUT
R453
C471
RTOMAIN 8.2k
10
RTOMAIN
0.5%
RGBOUT 50V
RGBOUT
AV1_LOUT
AV1_LOUT
AV1_ROUT
AV1_ROUT
R454
AV2_LOUT C452
10k
AV2_LOUT 100
0.5%
AV2_ROUT 10V
D
AV2_ROUT
BIN
BIN
8
R/CIN
R/CIN
T O ( 4 / 5 )
GIN
GIN
GOUT
GOUT
R/COUT
R/COUT
BOUT C414
0.1 4.4
BOUT
C415
AV2_RIN
4.4
0.1
AV2_LIN
R422
0
T E 10k
L 1 3 9 4 2 2 9 6 5 1 3
AV1_RIN
C468
4.4
0.1
E AV1_LIN
C469
4.4
0.1
R408
C411
470 4.4
1
TU_RIN
C412 C455
9
4.4
1 4.7 50V
TU_LIN
R413
4.4
T O ( 5 / 5 )
470
TU_VIN
R414
4.4
470
R415 C419 C418
4.4
1
470 1
C420
R416
4.4
L2_RIN 1
470
R417 C421
4.4
L2_LIN
470 1
C422
R418 4.4
1
470
R419 C423
4.4
1
F 470
C424
1
C497
0.1
1.7
0
P_SAVE
Q401
G
DTC124EUA-T106
SW
B+
V+9V
C498
0.1
5
B+
(V+5VO) V+5VV
T O ( 2 / 5 )
B+
(V+5VI)
V+5VV
H
w w w
I
.
3 4 5
B+
BUFFER
IC402
C464
0.1 C473
25V 100
8.9 F 16V
4.4
4.4
4.4
C451
C450
4.7
4.7
50V
50V
R463
C474
8.2k
10
0.5%
50V
C453
C404
C403 100 1
R402 R403
100p 10V
R462 560 560 10V
50V
F
10k
C401 C413
0.5%
1 0.1
10V
16V
C402
F
B
100p
50V
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
A HIFI IN(R)
81
A HIFI IN(L)
82
V DVD M C
83
A L4 IN(R)
84
A L4 IN(L)
85
IC401
A TUNER IN(R)
86
A TUNER IN(L)
87
VIDEO/AUDIO
VREF(9V/2)
88
SELECTOR
A L3 IN(R)
89
IC401
A L3 IN(L)
90
HA118326APFR-E
A L2 IN(R)
91
A L2 IN(L)
92
A L5 IN(R)
93
A L5 IN(L)
94
GND
95
A AV1 R OUT(R)
96
A AV1 R OUT(L)
97
RF-C A OUT
98
A AGC D
99
VTR VorV&S V3 IN
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
2.2 JL402
R425
100k
R432
C431 C446
1M
0.1 1
C443 R428
C445
1 0 1
C432 C444 C428 C496 C434
C456 C457
1 1
1 0.1 10 0.1 0.1
R430
C447 10V
50V 10V 16V 25V 16V
1M 50V
0.01
B B
B F B
C499 C500 R445 R447
0.1 0.1 75 75
2012 2012
R444
75
2012
x a o
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i
4-9
http://www.xiaoyu163.com
8
6 7 8
Q410 Q411
2SC4081T106R UMD2N-TR
BUFFER SW
0
4.9
2.2
R465
470
0
1.6
R461
680
D420
DAP202UT106 Q413
JL487
DTC124EUA-T106
SW
R458
470
4.9
R460 2.2
2.2
0 1.5
R810
R455
47
1.5 47
Q801
2SC4081T106R
Q403
BUFFER
R811 2SA1576A-T106-QR
470
BUFFER
C406
0.1
16V
C407 C408 C409 C410
1
B 1 1 1
10V 10V 10V 10V
B
B B B
B+
4.9
Q402
2SD2114KT146
0
D801
0 BUFFER
UMZ6.8N-T106
C454
58 57 56 55 54 53 52 51
100
10V
C435
R433 1
1.7
1M
BIN
SCART B IN
50
C436
2.2
1 R/CIN
SCART RorC IN
49
Q Q R435
C437
1.7
1
1M 3 7 6 GIN 3
SCART G IN
48
4.9
VCC
47
0.4
GOUT
PY(Y)G OUT
46
C438
0.4
1 R/COUT
Pr(Cr)/RorC OUT
45 10V
F
0.3
BOUT
Pb(Cb)/B OUT 44
R436
4.4
100
SCL 43
R437
4.5
100
SDA 42
0.3
SYNC 41
2.4
PY(Y)OUT 40
2.4
Pr(Cr)/OUT 39
2.4
Pb(Cb)/OUT 38
GND 37
2.4
V2 OUT 36
C439
2.7
0.1
FBCD 35
16V
2.4 B
C2 OUT 34
S1/S2 B OUT 33
2.3
V2 OUT 32
GND 31
23 24 25 26 27 28 29 30
R439
1.8M
R420
1.8M
B+
B+
D402
UDZSNPTE-176.8B
C440 C441 C442
C458
0.1 1 0.1
100
16V 10V 25V
10V
B F F
u 1 6 3
.
http://www.xiaoyu163.com
RDR-HX680/HX780/HX785/HX980/HX1080
2 4
9 9
9 10
L_OUT
L_OUT
R_OUT
R_OUT
2VIN
2VIN
C2IN
C2IN
Y2IN
Y2IN
4.8
L2_RIN
L2_RIN
4.9
L2_LIN
L2_LIN
4.8
R_IN
R_IN
0
4.9 L_IN
1.6
L_IN
C/R_IN
Q408
SCL
2SC4081T106R SCL
BUFFER SDA
SDA
CSYNCIN
CSYNCIN
RCSEL1
RCSEL1
RCSEL2
2
RCSEL2
P_SAVE
P_SAVE
T O ( 1 / 5 )
TEXTVIN
AMUTE1
AMUTE1
V+5V B+
V+5V SIGNAL PATH
XAMUTE2
XAMUTE2
Y_IN
BLANK
BLANK
C_OUT
C_OUT
Y_OUT
Y_OUT
CB_OUT REC
CB_OUT
CR_OUT
CR_OUT
PB
YP_OUT
YP_OUT
L_OUT
L_OUT
R_OUT
R_OUT
GND
4
C486
R468
R469
470
68
3.9 5
6.3V
JL4418 JL4422
2012
2012
JL4420 JL4419 JL4421
R471
R470
C476
75 0
0.01
1 5 1 5 0 8 9 2
2012
16V 2012
B
D409 D410
UMZ6.8N-T106 UMZ6.8N-T106
D413 D414
UMZ6.8N-T106 UMZ6.8N-T106
SCL
SDA
C487
CSYNCIN
470
R472
6.3V R473
JL4407
68 3.9
C489 R477
R476 JL4412
JL4408 JL4411
470 3.9
6.3V 68
R474 R475 JL4413
JL4409
68 3.9
C488
470
6.3V
7
D416
UMZ6.8N-T106
6
JL4410
R478 R480
C490 JL4414
470 68 3.9
2012 2012
6.3V
8
Q406
2SD2114KT146
SW
JL495
L_OUT
0
R479 R482
C491
470 100
R485 0
47
22k
16V
R484
1k
Q407
2SD2114KT146
0
C493
SW
R487
47
22k R486
16V 1k
R_OUT JL4406
0
R488 R490
JL494
470 100
4.9
D419
0
1SS355TE-17
0
AMUTE1
4.9
Q404
UMD2N-TR
4.9
MUTE
C481
C492
C463
0.1
0.1 220
25V D418
m 10V
25V
F 1SS355TE-17
F
V+5V
XAMUTE2 c o
4-10
2
8 9 9
11 12 13
VIDEO SIGNAL
AUDI O
CHROMA Y Y/CHROMA SIGNAL
S VIDEO
JA401
4 9 8 2 9 9
LINE 2
OUT
D415
UMZ6.8N-T106
JA402
V
VIDEO
P /C
R R
9
L
AUDIO L
L801
0uH
P /C
B B
R
AUDIO R
L802
0uH
COMPONENT
Y
VIDEO OUT
C482
470p
50V
C484
470p
50V
VIDEO/AUDIO
AV-133 (3/5)