Sony WRU-806B Service Manual page 55

AF level adj (A)
+6V
001:N5;003:B7
R401
56k
R403
100k
001:N5 AF_A
C404
2 R404
2.2uF 2.7k
4.7k
16V
1 3
RV401
2.2k R405
1.5k
C402
C471 V+
47uF 0.1uF
10V 10V
V- C403
10uF
TH402
10V
(3/3)
R402
IC401 47k
NJM4558V-TE2
R407 AF level adj (B)
56k
R409
100k
001:N5 AF_B
C407
2 R410
2.2uF 2.7k
4.7k
16V
1 3
RV402
R411
2.2k
1.5k
C409
10uF
TH404
10V
R408
47k
003:E1 AUDIO
WRU-806B
A B
Diversity Sel. Muting
IC401
(1/3)
NJM4558V-TE2
IC402 (2/3)
C405
(1/3)
10uF IC402
3 TC74HC4053AFT(EL)
16V TC74HC4053AFT(EL)
+
1
2
-
C401
R415 R416
R413 R414 R417
100pF
100k 100k 100k
CH 100k 100k
16
12 VCC
TH401
14 2
13 15
1
R496 3.9k
330 11
R406
10
100
6
INH
GND VEE
8 7
C414 C411 C413
IC401
0.1uF 0.1uF 0.1uF
(2/3) 10V 10V 10V
NM
NJM4558V-TE2 NM
C410
5 R412 R421 R420
10uF
100 10k 10k
16V
+
7
6
- IC402
C408
(3/3)
100pF
CH TC74HC4053AFT(EL)
TH403
Q402
DTC124EE-TL
R497 3.9k
330
Q401
DTC124EE-TL
Squelch Amp
R427
*X401 R432 Tone Amp
47k 32.768kHz 47k
C425
*X402
2.2uF R433
R428 (2/3) 32.768kHz (1/3)
16V 100k
100k IC404 IC404
NJM4558V-TE2 NJM4558V-TE2
3 5
+ +
1 *X403 7
32KHz
NM
2 6
- *C419 - C426
22pF 1uF
R435
R430
15k 47k
*X404
R426
R429 32KHz R434
56k
1.5k NM 1k
C417 C420 R436
0.022uF 0.1uF 100k
C424 R431
10uF 56k
10V
NJM4558V-TE2
R445
3.3k R446
4.7k
IC408
NJM4558V-TE2
C431 C430
1000pF 1000pF (1/3)
5
C429
1uF
+
7
6 -
Noise Squelch HPF
R448
0dB at Pass Band R447
10k
12k
C427
0.1uF
R449
100k
D402
DA3S101F0L
C
RF-155 (2/3) RF-155 (2/3)
SUFFIX: -13 SUFFIX: -13
Expander
*R459
5.6k
*R460
1.2k
*R461
*C443 6.8k
10uF
10V
*C462
*C436
47uF
0.1uF
10V
10V
*JC406 3225
0
*C437
0.047uF
3216
*JC405
0
R418
De-Emphasis LPF Expander
22k
(2/3)
IC403
*R423 (1/3)
56k NJM4580V(TE2)
IC403
NJM4580V(TE2)
5 *R457 *R458 *JC401
C465
0
10uF 4.7k 4.7k
+
16V *R495 *R422 7 3
0 2.7k
6 + 1
-
2
- *JC402
0
*C415 C467 NM
0.015uF
0.0027uF
3216
C412
*C469
10uF
0.0033uF
NM
10V
*R425
R419 C416
*R424
3.3k
10uF 47k
22k
10V
(3/3)
V+
IC403 C418
NJM4580V(TE2) C468
V- 0.1uF
1000pF
10V
"L" Higher Tone level
*R440
R444
R442
56k 10k
470k
5 R443
+ 10k
7
R437 R439
CL403
2.2k 10k 1.5
6
-
D401
(1/3)
DA3S101F0L
IC405
TONE
NJM2903V(TE2)
V+ V+ *R441
C421 C423 C422 R438
0.1uF 0.1uF 0.1uF 470k 47k
V- GND
(3/3) (3/3)
IC404 IC405
NJM2903V(TE2)
"L" Higher Noise level
R453 R456
10k
22k
R454
470k
32.782kHz
NOISE
3 R455 *C454
10k *X405
10pF
+
R450 1
CL402
2.2k
1.5
2 -
IC405
R452 (2/3)
10k NJM2903V(TE2)
C450
R485 V+
0.1uF
C428 R451 33k
V-
0.1uF 470k
GND
(3/3)
IC408
NJM4558V-TE2
6-3 6-3
D E
*IC407
SA575DTBR2
*R462
5.6k
*R463
1.2k
*C445
1uF
16V
*C439
0.047uF
3216
*C438
*C447
*C446 0.1uF
100uF
1uF 10V
16V
16V
R488
100
*C487
47uF
10V
NM
R466
47k
*C488
0.1uF
NM
*IC409
TK10691MTL-G
NM
*JC403
0
R468
8 100k
C441
VCC 1
2.2uF
NF_IN
16V
7 2 3
SUM_OUT SUM_IN
+
6 *JC404
CONT_IN
0
5 3 2
*C432 NM -
10uF RECT_CAP REF_CAP
16V GND
NM
4
*C489
10uF
16V
NM
C435
*R464
0.1uF
2.2k
10V
*C486 R467
V+ C464
1uF 56k C463
10uF
10V 22uF
NM 25V V- 10V
(3/3)
IC406
NJM4580V(TE2)
+3.3V 003:K7 Audio Level Det
(2/3)
R498
IC406
22k
NJM4580V(TE2)
R474
5 R472
10k
+ 2.2k
7
R484
100k 6 - C453
1uF
C449
33pF
R470 D403
27k DA3S101F0L
R499 R469
22k
2.2k
C472 C451 R473
C452 R471
47uF
100k 0.1uF 470k
10uF
10V
10V
R476 *R489 *R493
Battery Tone Det
47k
47k 10k
R477
*R491
100k 470k
(2/3)
IC408
NJM4558V-TE2
3 TONE BATT 3 *R492
10k
+ *R481 +
1 1
2.2k
CL401
1.5
2 - 2 -
*C457
1uF
*R483 (2/3)
*R479
10k
47k
*IC410
NJM2903V(TE2)
*R478
1k
R475
56k *R480 *R482 *R490 *C470 V+
*C456
100k 470k 56k 0.1uF
*C455 0.1uF
GND
0.1uF
*D404
(3/3)
DA3S101F0L
*IC410
GND
NJM2903V(TE2)
No Mount for URX-M2
F G
1
003:B7;003:C2
+9V
+9V
2
(1/3)
IC406
C442
NJM4580V(TE2) 10uF
16V
1
AF_OUT 001:C7
*R487
*C440 0
470pF
B
R494
*R465 10k
18k
C461
1uF
10V
C444
R486
3
100k 220pF
CH
NM
4
(1/3)
*IC410
NJM2903V(TE2)
5
RF-155 (2/3)
BOARD NO. 1-885-697-13
H