Schematic Diagram - Front Rear Amp Board - Sony HCD-FL5D Service Manual

Dvd deck receiver
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8-35. SCHEMATIC DIAGRAM – FRONT REAR AMP Board –
C451
10
R451
50V
1k
C453
100p
C452
R452
R453
470p
47k
470
NO801
7P
C454
FRONT R
47
10V
FRONT GND
FRONT L
C404
FRONT GND
47
10V
REAR R
C402
R402
R403
REAR GND
470p
47k
470
(Page 67)
REAR L
C401
10
R401
50V
1k
C481
10
R481
50V
1k
C482
R482
470p
47k
C432
R432
R433
470p
47k
680
C431
10
R431
C433
50V
1k
100p
POWER AMP
IC401
STK402-070S
R457
1k
R454
47k
R458
15k
Q423
2SC2785
R411
STANDBY
100
SWITCH
R419
R428
R427
10k
15k
33k
C422
47 50V
R412
D421
100
1SS133T
R420
C407
C408
1
22
22
50V
50V
C420
1000p
R418
R417
82k
100k
R416
100k
Q419
Q419,420
C403
R404
2SC2785
100p
47k
THERMAL
Q420
2SC2785
DETECT
TH401
R407
1k
POWER AMP
IC431
STK402-070S
R437
1k
C483
100p
R470
R484
1
R487
47k
1k
R483
680
C484
47
10V
C470
1000p
R469
R488
R461
10k
22k
100
C434
47
D481
10V
1SS133T
R462
100
C457
C458
22
22
50V
50V
R434
47k
R455
0.22
C455
C456
R460
2W
10
0.1
0.1
R456
0.22
D491
2W
D15XB20
3
1
4
R421
2.2k
2
C493
R491
2200
Q421,422
100k
50V
Q421
STANDBY
R422
2SA1175
22k
SWITCH
Q451
2SC2785
C494
R492
2200
OVER LOAD
100k
50V
DETECT
R423
Q422
(MX)
68k
2SC2785
R426
R425
C421
R424
2.2k
2.2k
47
5.6k
50V
D402
1SS133T
R410
10
Q401
2SC2785
OVER LOAD
C406
0.1
DETECT
R406
C405
0.22
0.1
2W
R405
0.22
2W
D432
1SS133T
D431
1SS133T
Q431
2SC2785
R438
OVER LOAD
22k
DETECT
R485
0.22
2W
R486
0.22
2W
R471
R475
2.2k
2.2k
Q471
2SA1175
R472
22k
Q481
2SC2785
R473
Q472
OVER LOAD
68k
2SC2785
DETECT
C471
Q471,472
R474
C485
47
5.6k
STANDBY
0.1
50V
SWITCH
C486
0.1
R476
R490
2.2k
10
R440
C436
C435
0.1
0.1
10
R436
0.22
2W
R435
0.22
2W
73
73
NO701
6P
AC1(VL)
AC1(VL)
AC-GND
AC-GND
AC1(VL)
AC1(VL)
(Page 89)
C491
0.1
C492
0.1
CN402
18P
STK MUTE
OVER LOAD
POWER GND
POWER GND
FRONT R
FRONT R
FRONT R GND
FRONT R GND
FRONT L
FRONT L
FRONT L GND
FRONT L GND
(Page 77)
REAR R
REAR R
REAR GND
REAR GND
REAR L
REAR L
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
) : CD/DVD PLAY
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
HCD-FL5D

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