Sharp HT-DD5000W Service Manual page 21

HT-DD5000W
A
VIDEO JACK PWB-D5
J401
VIDEO
INPUT
VCR1
L402
1µH
OUTPUT
VCR1
L403
1µH
B
INPUT
DVD
L404
1µH
MONITOR
OUT
CNW404
C414
0.022
J404
VCR INPUT JACK PWB–D8
VIDEO
C
VCR–2 INPUT
L401
1µH
R403
27K
L–IN
AUDIO
R404
27K
R–IN
D
J405
VCR–1 IN/OUT
L–CH
R407
27K
INPUT
VCR1
R–CH
R408
27K
L–CH
OUTPUT
VCR1
E
R–CH
R417
27K
L–CH
INPUT DVD
R418
27K
R–CH
R423
27K
L–CH
INPUT
CD/AUX
R424
F
27K
R–CH
R427
27K
L–CH
INPUT
MD/TAPE
R428
27K
R–CH
L–CH
OUTPUT
MD/TAPE
G
R–CH
R435
27K
L–CH
INPUT
PHONO
R436
27K
R–CH
J406
AUDIO IN/OUT
AUDIO JACK PWB-B1
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
1
R402A R402B C402
150 150 33/16
R411A
C407
220P
150
R411B
150
R412A
R412B C408
150
33/16
150
R421A
150
C413 R421B
390P
150
D402
D401
1N4148
1N4148
1
R401A R401B C401
150 150 33/16
2
1
C403 R405
3.9K
390P
2
C404 R406
3.9K
390P
3
D404
C415
D403
1SS133
0.022 1SS133
R409
C405
390P 3.9K
C406 R410
390P 3.9K
R415
C409
15K
390P
C410
R416
390P 15K
R419
C411
3.9K
390P
C412 R420
390P
3.9K
R425
C417
3.9K
390P
R426
C418
3.9K
390P
R429
C419
3.9K
390P
C420 R430
3.9K
390P
C421 R433
390P 15K
C422
R434
390P 15K
RPHL–IN
R437
C423
390P 33K
C424 R438
390P 33K
RPHR–IN
C476A
0.001
2
Figure 20 SCHEMATIC DIAGRAM (5/12)
IC403
NJM2279D
VIDEO SWITCH
0V
1
Vin3
4.4V
2
SW1
0V
3
Vin2
4.2V
4
MUTE2
–0.5V
5 Vout2
0V
6 GND2
7 GND1
0V
C439
C440
C441
C442
CNS401
1 1
2 2
CNS402
Q505
CNP402
KRC231S
1 1 2
3
R5A9
1K
1
2 2
C557
10/16
3 3
Q506
KRC231S
3
2
R5A0
1K
1
Q507
KRC231S
2
3
R5B9
1K
1
Q508
KRC231S
2 3
R5B0
1K
1
Q505~Q508:
C564
SWITCHING
0.022
–B
+B
R458
C466
220
47/16
C429
–B
0.0082
C436
C427
0.022 560P
R445
390K R447
R443
1K 33K
4 3 2 1
IC404
NJM4558M
MOTOR
R439
1K DRIVER
5 6 7 8
R442 6.5V
R444
100K
1K
C430
0.0082
C428
R440
560P
1K
R446 R448
390K 33K
3 4
– 20 –
P16 3 - A
TO MAIN PWB
CNP403
CNS403 1
2 3 4 5
BI403
1 3
2 4 5
VCR1–IN
V–MUTE
V–SW1
–7.2V –B
14
V–
4.4V V–SW2
SW2
13
0V
Vin1 12
4.2V
11
MUTE1
–B
0V
Vout1 10
9
7V
V+
8
C475A
0.022
47/25 L405
100µH
0.47
+B
47/25
0.47
–B
MONITOR–OUT
R5A5
6.8K
R5A7
R5A3
56K
1K
1 2 3 4
R5A1
330K
IC411
NJM4565M
BUFFER AMP. R5A2
330K
8 7 6 5
C558
10/16
R5A6
R5A8
6.8K
56K
R5B5
6.8K
R5B7
R5B3
56K
1K
1 2 3 4
IC412
NJM4565M
BUFFER AMP.
8 7 6 5
R5B4
1K
C566
47P
R5B8
R5B6
56K
6.8K
R5C2
220
R5C1
220
V1L–IN
DVDL–IN
CDL–IN
MDL–IN
CDR–IN
DVDR–IN
V1R–IN
MDR–IN
R457
220
R455
1K
+B
C431
C433
0.0022
2.2/50
R449
10K
+B
C432
0.0022
R450 R456
C434
10K 1K
2.2/50
5
1
6
1
6
C589
10/16
3
1
R591A
2
4.7K
R592A
4.7K
1
1
0V
2 3
0V
3
5V Q503
2
KTC3199 GR
Q504
KTC3199 GR
R572
15K
C443 2.2/50
R465 1K
C445 2.2/50 R467 1K
R469 1K
C447 2.2/50
R471 1K
C449 2.2/50
R473 1K
C451 2.2/50
R475 1K
C453 2.2/50
R477 1K
C455 2.2/50
R479 1K
C457 2.2/50
R481 1K
C459 2.2/50
FS–CK
14 13 12 11 10 9 8 7
IC402
TC9273
15 16 17 18 19
20 21 22 2
FS–DATA
FS–STB
R480
1K
C458 2.2/50
R478 1K
C456 2.2/50
R482 1K
C460 2.2/50
R476 1K
C454 2.2/50
R474 1K
C452 2.2/50
R472 1K
C450 2.2/50
R470 1K
C448 2.2/50
R468 1K
C446 2.2/50
C444 2.2/50 R466 1K
6