Grundig DAVIO 55 T 55-4201 Top Service Manual page 18

GRUNDIG Service
Hauptteil / Main Part
3.3V
R110
1.5k
109 R123 R126
R125
2k 0R 680R 1.5k
SW101 SW102
VOL- SELECT VOL+
5V
3.3V
R113 R104
R108 R114
3.3k
3.3k 3.3k 3.3k
IC101
R117
1
100R
P1. 3 /T1
2
R118
100R
P1. 6 /SCL
3
R121 100R
P1. 7 /SDA
R105 4
100R
P2. 0 /TPMW
5
R167 100R
P3. 0 /ADC0/PWM0
6
100R
R160
P3. 1 /ADC1/PWM1
R122 3.3k
7
P3. 2 /ADC2/PWM2
8
P3. 3 /ADC3/PWM3
R166
9
C103
100R
VSSC /P
C111 10n
R103
10n
10
P0. 5
100R
11
P0. 6
R133
12
100R
VSSA
C155 13
SECPLL
220n
14
VP2
C156
C139 15
C154
DECDIG
100n
2.2n
220n
16
PH2LF
R102
15k
17
PH1LF
C148
18
GND3
4.7n
19
DECBG
C151 C116
C140
1n
20
100n
AV L/EWD
4.7u /50V
21
C150
VDRB
1n
22
R163 VDRA
100R
23
IFIN1
24
IFIN2
R173 39k
25
IREF
C141 26
VSC
100n
27
TUNERAGC
28
AUDEEM/SIFIN1
29
DECSDEM/SIFIN2
C132
30
10u/63V
GND2
31
SNDPLL/SIFAGC
R185
AVL/SNDIF/
5 C176 32
2.7k
REFO/AMOUT
n 820p
TDA9345
8V
6
R187
6
R186 680R
R
390k
T108
BC848
R188
270R
D101
LED
R131
3.3V
150R
R129
150R
IC102
R128
TSOP1838
100k
SW103
R130
150R
T102
BC848
C112
100p
64
P1. 2 /INT0
63
P1. 1 /T0
62
P1. 0 /INT1
61
VDDP
R111
8
0R
60
RES ET
59
XTALOUT
58
XTALIN
57
OSCGND
56
VDDC
55
VPE
54
VDDA
53 R170
BO
52 R168
GO
51
R169
RO
100R
50
BLKIN
49
BCLIN
48
B2/UIN
47
C161
G2/YIN
47n
46
R2/VIN
45
INSSW2
44
AUDOUT/AMOUT
43
CHROMA
42
CVBS/Y
C107
47p
41
GND1
40
CVBSINT
C108
47p
39
VP1
38
IFVO/SVO
R174
37
PLLIF
390R
36
EHTO
35
AUDEXT/QSSO/AMOUT
34
FBISO
33
HOUT
3.3V
R165
1k
R171
100R
6
12
@
6V
R132
1k
5.1V
ZD101
X103
C115
KEYBOARD
47u/16V
3.3V
5
4
VS
3
ZD102
OUT
3.3V
2
GND
1
3.3V
R134
0R
R115 R116
3.3k 3.3k
R119
100R
SDA1
SCL1
3.3V
R193
C146
15k
100n
C137
100u /16V
C165
33p
Q101
12MHz
C166
3.3V
L104
68p
10uH
C144
100n
C136
C143
L105
100u /16V
100n
10uH
100R
100R
C160 R238 100R
47n
R239 100R
R240
C159
47n
100R
R124
100R
C164
1u/50V
C152
1n
C162
47n
C163
47n L106
8V
10uH
R176
C167
100k C145
100n 100u /16V
C142
100n
C153
1n
R177
27k
R120
270k
R178
27k
13
#
3 - 6
¡ ™
Mode: bei Suchlauf-Start
Mode: bei Suchlauf-Start
at start of station search at start of station search
IC103
24C08AN
10SI-2.7
21
22
C105
10uF/63V
1N4148
L108
3.3V
10uH
C122
100n
R139
100R
R204 R205 R206 R207
D104
75R 75R 75R 75R
1N4148
R181
8V
4.7R
C169
R172
68p
100R
T109
BC848
R190
R189
180R
390R
17
&
R106
100R
C106
100n
Chassis E1
£
3.3V ∞
C119
470n
D105 D106
1N414
R142
10k
R180
C168
47k
100p
Audio_GND
R
0
CAB. 2B
R223
100R
R220
100R
CAB. 3B
C204
100p
C2
100
HOTEL TV
R210
15k
C170
47u/16V
L109
table
F103
TPSRA5M50B00-A0