Grundig Lenaro 55 Flat MF 55-5501 Top Service Anleitung Seite 15

GRUNDIG Service
Chassisplatte KX1.190-08 – Hauptteil / Chassis Board KX1.190-08 – Main Part
≥
§∞ ≤
8V
X401A
CRT
§
T407
BC858B R416
270R
HEATSINK
HS301
T408
BC858B
R317
R415
56K
270R
T409
BC858B
R318
56K
R414
270R
R308
1k
C305
1n
@
R311
1k
C304
1n
™
(
5V
£
R448
4.7k
3.3V
D401
1N4148
3.3V_STB
R449
4.7k
T404
BC848B
R445 R447
4.7k 4.7K
C441
100p
STATUS_2
C410
R430
10n
3.3k
STATUS_1
R431
C409
3.3k
10n
X402
DVD KEY
R417
1K
ZD402
C421
1n
3V6
C420
1n
X403
DVD_COM
D406
LED
3.3V_STB
R465
NC
3.3V_STB
R472 R471
1.5k 150R
R475 R473
680R 1.5k
IC402
TSOP1838
SW401 SW402 SW403 R468
1k
VOL- SELECT VOL+
∞
IC301
AN5277
C309 C316
100n 470n
R303
C322
10k C318
100u/35V
1n/35V C323
1.5n/50V
6.5V
C310 C317
100n 470n
R304 C319
10k 1n/35V
MUTE_L
R305
10k
8V' 8V'
R312
C301 C315
R301
3.3k
10n 47n
330R
T306
BC858B
C312
T305 100u/16V
BC858B
8V' 8V'
C311
100u/16V
R313 R302
3.3k 330R
T307
BC858B
T304
BC858B
*
5V
R450
4.7k
SDA SCL
3.3V
D402
1N4148
R461
4.7k
T405
BC848B
X103
R421
SCL_3V3
4
SDA_3V3 0R
3
3.3V_STB
2
R467
R446
1.5k
100k
1
L406
4.7uH RTC MODUL
R466 C438 C424
1.5k 47n 10u/16V
C445
10p
R410
100R
R411
100R
C446
10p
R412 R413
IC401
100R 100R
24C16
X404
CON4
6.5V
SERVICE
R470
1k
5.1V
ZD401
C440
47u/16V
VS
OUT
GND
≤ ≥
R306 C329
R307
100n
2.2k 10k C324
C308
10u/16V 1.5n/50V
24V
R322
2.2K 1/4W
R319 C326
4.7k C325 1500u/35V
68n/50V
C330
100n
R314
2.2k R321
C331
C302
2.2K 1/4W
R325
1n
100n/50V
18K
EMC
T301
R320
BC848B
4.7k
8V
L301
10uH
C313
100u/16V
X302
3
C306 Left
1n
2
C307
1
Right
1n
HEADPHONE
AN5277
Att.
Ripple
filter
15
X301
4
C327
1000u/16V
Right
3
C320
2
1n/35V
Left
1
R324
4,7R 1/4W
LOUDSPEAKER
C328
1000u/16V
C321
1n/35V
R323
4.7R 1/2W
Protection circuit
Temperature
Ov er voltage
Att. con
Over current
Load short
Chassis K1