Grundig davio GBF6300, Руководство по обслуживанию

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L301
22uH(3u3H)
L302
22uH
C332
220uF
16V
1
2
3
IC302
TL
43
1C
LP
C333
470uF
16V
D312
UF4007F
C339 22uF50V
TCET1100
C338
47uF400V
1 2
4 3
L303
10mH,0.7A
R326
56k2W
C329
2n2F2k
V
VDD12V
1 2
S301
AC POWER
F301
FUSE2.5A/255V
R329
15R
C336
220nF275V
VCC5V
C335
1000uF 16V
R330
2.5K %1
C341
1nF
ZD300
1SMA5922
R333
3K6
R334
33K
R3
37
2K
4
%
1
R335
12K
R3
31
1K
R3
32
3K3
C342
47n
GND GND
VCC5V+12V_INV
+12V
2
1
C340
2.2nF
250V
C330
100nF
C334
100nF
R328
10K
2
1 C328
22nF/1kV
C337
100nF275V
D313 SB540
C331
1000uF
16V
D315
22V*
GND
GND
GND
L300
50uH
C327
220uF
16V
C326
100nF
+12V_INV
GND
GND
GND
Ilimit
6
NC
5
Vfb
4
G
N
D
2
Vcc
3
Drain
1
IC300
FSCM0565R
R325 470k
R327 470k
+12V
+5V_VCC
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
S300
POWER
VDD12V
+5V_VCC
GND
KEY0
IR_INT
LED0
DIM
BL ON/OFF
P1
1
P2
2
P3
3
P4
4
P5
5
S303
KEYBOARD
P1
1
P2
2
P3
3
P4
4
P5
5
S304
KEYBOARD
KEY0
IR_INT
LED0
GND
VCC5V
1
2
3
4 SW300
ON/OFF
R343
1K
R342
470R
D303
LED
1
2
3
IR300
TSOP38238T
R322
150R
R324
150R
GND GND
GND
Out
Vs
GND
GND
KEY_5V
GND
KEY_5V
R319 150R
R320 150R
R321 150R
C317
*
C318
*
C320
*
GND
2
1
C325
220pF
250V
2 1
C354
220pF 250V
R350 680K
D306
S510 (or SK56)
D310
DI156S
5
1
6
4
8
9
12
11
7
10
TR300
SMTTRAFO _ ETD29/16/10
C356
1nF
R351
22R
C358
1n
R352
*
C359
1n
R353
*
R354 680K
R355 680K
R356
*
GND
+
C323
10uF/10V
+
C348
220U/25V LESR
GND
L304
*
GND
1
2
C347
100nF
L306
FB
C349
1uF
GND
C343
270p
C345
100N
R339
0,1R
R340
4K3 1%
R341
15k
GND
A
1
K
2
D320
1N5819
R338
1K
GND GND
L308
22uH 1,5A
GND
+5V_VCC
GND GND
GND
D319
1N5819
+12V
D318
STPS340
S302
12VEXT
SWC
1
SE
2
TCAP
3
GND
4
COMP
5
VCC
6
IPK
7
DC
8
IC303
MC34063A
1
3
2
1
3
2 R323
10
C346
100uF 16V
C301
220p 1kV
1
2
C324
100nF
GND
D304
LL4148
D308
STPS340
GND
R346
0
GND
R345
NC
VCC5V
2
1 C357
22nF/1kV
D314
LL4148
R347
0R
GND
GND
GND
GND
J301
Jumper
J303
Jumper
J304
Jumper
J307
Jumper
J308
Jumper
J315
Jumper
J314
Jumper
J317
Jumper
J318
Jumper
J316
Jumper
J319
Jumper
J320
Jumper
J313
Jumper
J312
Jumper
J305
Jumper
J322
Jumper
J321
Jumper
FB301
FB
2
3
1
D309
DIODE DPAK
F302
FUSE 3A
R348
100R
P1
1
P2
2
S310
CON2
T301
PMV65XP
T300
BC847B
IC301
15
16
FSCM0465R
8V/12V
3 1
2
4
Vref
Internal
Bias
S
Q
Q
R
OSC
V
CC
V
CC
I
DELAY
I
FB
V
SD
TSD
Vovp
V
CC
S
Q
Q
R
R
2.5R
Vcc Good
V
CC
Drain
FB
GND
Gate
Driver
V
CC
Good
0.3/0.5V
LEB
PWM
Soft start
+
-
6
I_limit
Freq.
Modulation
V
CC
UV Reset
0.3K
5
N.C.
MC34063A, MC33063A
S Q
R Q2
Q1
100
I
pk
OscillatorC
T
Comparator
+
−
1.25V
Reference
Regulator
1
2
3
4 5
6
7
8
Drive
Collector
I
pk
Sense
V
CC
Comparator
Inverting
Input
Switch
Collector
Switch
Emitter
Timing
Capacitor
GND
Bedien-/Netzteil-/Inverterplatte / Keyboard Control/Power Supply/Inverter Board XKU194-03
% ^
GR
UNDIG Ser
vice
Chassis L
W
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