Schematic Diagram - Power Board (Rg590) - Sony HCD-RG490 Service Manual

7-26. SCHEMATIC DIAGRAM – POWER Board (RG590) –
C461
47
100V
R441
2.2k
+PRE
+
NF/CH1
R493 C445
IN/CH1
0 100p
-
-PRE
R445
C441 1k
10
50V Q489
2SC5625
C447
47
50V
(AEP,UK,RU)
C443 R443
0.001 47k C491
0.1
C448
47
50V
R444 R436
47k 22k
R446
R495
1k R439
1
10k
SUB
-
R494 NF/CH2
0
C444 C446
0.001 100p IN/CH2
+
-RE/CH2
R442
2.2k
C442
10
50V
CN443
6P
+VCC
NC
GND
-VCC
OVERLOAD/DC DETECT
(Page 51)
RELAY+
RELAY-
HCD-RG490/RG590
R467
2.2k
R496
1W
100
D445 UDZW-TE17-16B
+VH
+REF
+VL
-REF/CH1 +RE/CH1
POWER AMP
IC441(1/2)
STK412-240
R447
47k
R464 Q491 R491
100k 2SA2026 47k
R470
47k
D444 R472 R457
1SS355 100k 22k
R474
2.2k
R471
100k
C463
R469 R473 R463
470
47k Q489-491 47k 47k
6.3V
D441
STANDBY SWITCH
MC2836
C462
47
R475
100V
10k
R468
R476 Q490
2.2k
22k 2SC3052
1W
D446
R477 UDZW-TE17-16B
R479 R492
100
10k 47k
R448 47k
Q441,442
OVER LOAD
R478
DETECT
10k
BIAS
-VH
-REF
-VL +RE/CH2
IC441(2/2)
STK412-240
JW403
R449
0.22
R497 R466 R465
5W Q481,482
100k 100k 47k
DC DETECT
C451
0.1
Q481
Q482 2SC3052
R455
2SC3052
1k C453
0.1
R483
Q441
2SC5625 R425 R453 C481
10 10 100
10V TH441
R459 D481 R424 R420
100k 1SS355 10 10
R460
100k Q442
2SC5625 R423 R421
10 10
Q485
R422 R454
2SA1235
10 10 R482 C486
R458 PROTECTOR 10k 2.2
22k 50V
C454 R481
0.1 4.7k
C452 R487
Q487
0.1 47k
2SC3052
R456
1k PROTECT
JW404
DETECT
R498
1k
R440 22k
R499 R490
1k 4.7k
Q486,488
R488
Q486 Q488
R450 RELAY DRIVE 22k
2SC3052 2SC2411K
0.22 5W
49 49
L441
R461 10 R411
-1
R413 10 R412
-2 L442
R462 10 R414
Q483,484
R416 10 R415
TEMPERATURE DETECT
Q483 RY441
R485
2SC3052
100k
R480 R484
100k 100k D443
1SS355
22
Q484
R417 R418
2SC3052
100 100
R486 R407 R419
100k 100 100
∗C411
1000p (E2,E3,E51,EA,MX,AR) C411
∗
0.01 (AEP,UK,RU)
2
R403
C403
100k
1 4
0.1
100V
D401
C405 3
R405 R401 D10XB20
2200
100k 100k
71V
C404
0.1
C406
R402 100V
2200
100k
71V
R406 R404
100k 100k
C410
R410
3300
100k
50V
2 C414
D402
1 4 C413
D10XB20
C409
3300 R409
50V 100k 3
HCD-RG490/RG590
Ver. 1.1
10
10
10
10
SP GND
L
SP(L)
JK441
C459
SPEAKER
1000p 100V
SP GND
C460
(AEP,UK,RU)
R
1000p 100V
SP(R)
(CHASSIS)
EP401
CN441
13P
SP L-OUT (EXCEPT MX)
SP-GND
SP R-OUT
SP RELAY B+
(Page 39)
PROTECT
R-OUT
AMP-A-GND
L-OUT
UNREG +16V
PWR-GND (Page 43)
STK MUTE
-VFL
GND (MX)
CN442
5P
AC-VH
AC-VL
0.1 GND
0.1 AC-VL
AC-VH (Page 61)
C402
0.01 (CHASSIS)
EP402