Grundig GBD0400, Service Manual

Page: 20 / 52

GRUNDIG Service Chassis K1
3 - 5
KX1.190 - Hauptteil / Main Part
SDA
STATUS_2
STATUS_1
G
R
EEN
RE
D
SE
N
S
E
R414
270R
R415
270R
R416
270R
T404
BC848B
D401
1N4148
R449
4.7k
R448
10K 1/4 W CF
5V
3.3V
SCL
T405
BC848B
D402
1N4148
R461
4.7k
R450
5V
3.3V
C421
1n
C410
10n
C409
10n
R447
4.7K
R430
3.3k
R431
3.3k
E0
1
E1
2
E2
3
GND
4
SDA
5
SCL
6
MODE_WC
7
VCC
8
IC401
24C16
R411
100R
R410
100R
R467
1.5k
R466
1.5k
C445
10p
C446
10p
L406
4.7uH
3.3V_STB
C424
10u/16V
C438
47n
R413
100R
R412
100R
R308
1k
C305
1n
T305
BC858B
T306
BC858B
R301
330R
R312
3.3k
8V' 8V'
C301
10n
C315
47n
L301
10uH
8V
R311
1k C304
1n
T304
BC858B
T307
BC858B
R302
330R
R313
3.3k
8V' 8V'
C311
100u/16V
C312
100u/16V
1
2
3
X302
HEADPHONE
C306
1n
C307
1n
Right
Left
NC
1
VI
N1
2
Rip. Filt.
3
GND
4
VI
N2
5
NC
6
VOUT2
7
MUTE
8
GND
9
VCC
10
S
tandby
11
VOUT1
12
IC301
AN5277
AN5277
R317
56K
R303
10k
C316
470n
C322
100u/35V
R304
10k
R318
56K
C317
470n
C319
1n/35V
C330
100n
R323
4.7R 1/2W
R319
4.7k
C308
10u/16V
C326
1500u/35V
R306
10k
24V
C327
1000u/16V
R324
4,7R 1/4W
C325
68n/50V
T301
BC848B
R314
22k
R305
10k
MUTE_L
1
2
3
4
X301
LOUDSPEAKER
C328
1000u/16V
C321
1n/35V
C320
1n/35V
Left
Right
6.5V
1 2 3 4
X404
CON4
R445
4.7k
R446
4.7k
3.3V_STB
C441
100p
8V
1 2 3 4 5 6
C318
1n/35V
R320
4.7k
C313
100u/16V
C309
100n
C310
100n
7
C324
1.5n/50V
C323
1.5n/50V
C329
100n
R322
2.2K 1/4W
R321
2.2K 1/4W
0
SERVICE
VS
OUT
GND
IC402
TSOP1838
R471
150R
C440
47u/16V
R473
1.5k
R475
680R
R472
1.5k
D406
LED
R468
2.7k
6.5V
R470
1k
ZD401
5.1V
1 2 3
X403
DVD_COM
R465
NC
FB401 FB402
1 2
HS301
HEATSINK
R307
2.2k
3.3V_STB
3.3V_STB
SW401
VOL-
SW402
SELECT
SW403
VOL+
C302
1n
EMC
10K 1/4 W CF
* (
£
∞
≤
≥
$
§ ∞ ≤ ≥
Protection circuit
Temperature
Ov er voltage
Over current
Load short
Ripple
filter
ch.2 In
N.C.
ch.2 Out ch.1 Out
Mute
N.C.
ch.1 In.
RF
GND
(Input)
GND
(Output)
V
CC
Standby
1 2 3 4 5 6 7 8 9
10 11 12
Att. con Att.