Audio Verstärker - Grundig Vision 7 Service Manual

Chassis - Audio Verstärker / Audio Amplifier
12V
L400
120R Bead 1206 3A
24V 24V_AUDIOAMP
L401
120R Bead 1206 3A
C401
C400
1000uF/35V 100nF/50V
C404
R400 R401
680R 47k 100nF/25V
C410
R441 0R
C411
Q400
10uF/25V
R404 C412
BC847BL
R406
2.2uF
12k/603
1nF/50V
22k
R409
R411
200RF/603 10k
16
C422
470uF/35V
15
L405
33uH/2.3A
C428
EPCOS B82464G223M
220nF/50V
24V_AUDIOAMP
5V
C430
R419
100nF/50V
10k
STBY_AUDIO
R421 4.7k
STBY
R422
NC(10k)
Q401
BC847BL
R427 0R/603
R429
R430 470R/603 LEFT
C435 1uF/10V
100R
22k
Vorabversion
Preliminary Version
L404
VAUD_PREAMP
600R Bead 0603
C405
10uF/1210
%
R405 100R
SPKR_LEFT
C414
10nF
J401
4 HEADER
^
100nF/50V
C420 100nF/50V C421
C425
10uF/1210
1
OUT1_0 OUT2_1
2
OUT1_1 OUT2_0
3
N.C._0 N.C._14
4
VD1_0 VD2_1
5
VD1_1 VD2_0
6
N.C._1 N.C._13
7
N.C._2 N.C._12
8
N.C._3 N.C._11
9
N.C._4 N.C._10
10
STBYL MUTEL
11
GAIN1 GAIN2
12
IN1 IN2
C443 C444 C446
C445
10uF/1210
10uF/10V 10uF/10V 470nF/10V
24V_AUDIOAMP
S400 S400
1
2
3
MUTE
4
STBY_AUDIO
5
6
LEFT
7
8
RIGHT
9
10
CON10 CON10
C415
2.2uF
R410
HP_RIGHT
100R
C419
2.2nF
16
C423
470uF/35V
U401
15
36
L406
35
33uH/2.3A
34
C429
EPCOS B82464G223M
220nF/50V
33
24V_AUDIOAMP 12V
32
C431
31
R420
100nF/50V
47k
30
29
4.7k
R424
Q402
R423
C432
BC847BL
28 33k/603
100nF
MUTE
27
R428 NC(0R/603)
26
C437
R432
R431
470R/603
RIGHT
25
C436 1uF/10V
100R
10uF/25V
R436
C442
1nF/50V
22k
J400
PHONOJACK STEREO-R
L402
L403
600R Bead 0603 600R Bead 0603
C402 C403
100pF 100pF
R402
5V_SW
10k
C407
C408
C406 C409
100uF/16V
100uF/16V
100nF
1uF/10V
U400
C413 R407
TDA1308
1nF/50V
6.8k/603
R408
1 8
OUTA VCC
R412 6.8k/603
2 7
INA- OUTB
3 6
4.7k
INA+ INB-
4 5
GND INB+
5V
R415
10k/603
R416 C424
2.2uF/RES
10k/CAP
L407
MUTE_AUDIOAMP
VAUD_PREAMP
600R Bead 0603
R425 R426 C433
C434
680R 47k
10uF/1210
100nF/25V
R442 0R
C439
Q403
R434 100R
SPKR_RIGHT
BC847BL
2.2uF
R437
C441
22k 10nF
R440
R439
10k
200RF/603
R403
10k
C416
C417
1nF/50V
2.2uF
R414 100R
HP_LEFT
R413
4.7k
C418
2.2nF