Grundig DAVIO 37 P 37-2201, Service Manual

Page: 23 / 27

GRUNDIG Service
Châssis / Chassis 12.6 Circuit imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
Châssis / Chassis 12.6 Circuit imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
3 - 11 3 - 12
Marquage d`un composant a`puce
Mark of chip components
Schéma synoptique / Block Diagram
LL'
2.2uH
L106
SPEAKER
X102
3
2
1
FR_AV MODUL
CABEL5
CABEL4B
10k
R238
10k
R239
IF2
JUMPER
0R
R175
JUMPER
0R
R174
JUMPER
0R R173
5V"
L = 10k
LL
L= 1k
0R
R172
120p
C142
non-L
SECAM
PAL
SECAM
10pF
C130
V_DRIVE
H_SYNC
BCL
H_DRIVE
CVBS_TXT
AFT
75R R136
75R R135
75R
R134
47n C160
4.7R 1W
R129
9V
10k
R121
10k
R122
10k
R123
BC848
T106
220R
R124
non-L
0R
R130
LL'
LL'
LL'
0R
R158
12.5V
100n
C121
220u/16V
C120
220n/16V
C118
220p
C119
VOLUME
100n
C117
TDA7056A T
IC102
8
NC
13
NC
10
NC
11
NC
12
NC
9
NC
20
NC
19
NC
18
NC
17
OUT-
16
NC
15
GND
14
OUT+
7
VOL
6
GND
5
V_IN
4
VP
3
NC
2
NC
1
NC
00n
C110
CRT
X101
5
4
3
2
1
non_L
R125
100n
C114
1n
C113
47n
C111
47u/16V
C112
4.7k
R126
33k
R128
10k
R127
TDA9380
16
IF_IN
15
NC
14
V_P1
13
GND
12
MUTE
1 1
V_P2
10
SWITCH
9
EXT_IN
15k
R143
15k
R144
100u/10V
C147
10n
C146
470n
C145
10k
R146
220p
C149
10u/63V
C150
10u/63V
C152
270R 0.5W
R149
10n
C151
100n
C148
220p
C157
10n
C156
2.2n
C154
9V
9V
5V
9V
BC848
T107
RB411D
D105
5.5MHz
F105
PAL=0R
470p
C144
NN5198K
IC101
52
FBP_IN
51
SDA
50
VSS (CMOS)
49
SCP CW OUT
48
VDD
47
VERT_AGC
46
VERT_OUT
45
SAW TOOTH
44
AUD_
DECOUPLING
43
AFC1
42
HORIZ_OUT
41
H_VCC 6.3V
40
3.58
39
HOR_SYNC
38
VID_IN_SYNC
37
C.APC2
36
VIDEO_OUT
35
VCC 4.7V
34
EXT_VIDEO_OUT
33
VCC
32
EXT_AUDIO_OUT
31
BLK.LEVEL
30
AUDIO_OUT
29
AUDIO_IN
28
SIF_IN
27
Q DET
26
VAPC
25
IF_AGC
24
VIDEO_IN
23
AFT
22
AGC
21
QSS_IN
20
GND (IF)
19
IF
18
IF
17
SECAM BELL
16
VCC
15
SECAM PLL
14
4.43
13
GND (VCJ)
12
B_OUT
1
1
G_OUT
10
R_OUT
9
VCC
8
B_IN
7
G_IN
6
R_IN
5
FBL_IN
4
ABCL
3
C.APC1
2
SCL
1
TEST
6.2V
ZD101
47u/16V
C161
10n
C167
220R
R148
330R
R154
4.7M
R151
47n
C122
470R
R155
4.7u/63V
C123
47uH /LAL03
L104
47u/16V
C129
10n
C137
470R
R150
6.8k
R147
BC848
T109
0R
R137
10n
C128
22p
C153
47n
C159
1.5k
R152
100R
R131 100R
R145
4.7k
R133
220R
R157
1k
R153
100R
R159
4.43MHz
Q101
3.58MHz
Q102
220p
C134
82k
R140
560R
R162
470R
R138
9V"
9V
1k
R160
9V
5V"
9V
47uH /LAL03
L103
100n
C125
100n
C126
100n
C127
10n
C136
220n
C141
56p
C139
470p
C165
10n
C131
1.5n
C162
47u/16V
C155
22u/50V
C124
0.47u/50V
C158
0.47u/50V
C133
0.47u/50V
C143
10u/63V
C138
0.47u/50V
C135
100u/16V
C132
4.7u/16V
C164
0.47u/50V C163
9V
47n
C166
100R
R141
1k
R161
180k
R139
1k
R165
1k
R163
1.5k
R164
1k
R142
1k
R156
G1985M
F103
5
4
3
2
1
9V
K9656M
F104
5
4
3
2
1
IF1
330pF
C174
22k
R177
10k
R178
OPTION-RGB
VERS / TO X0006
PAGE 3-14
VERS / TO X701
PAGE 3-13
* Les tensions sont des valeurs approximatives mesurées sans signal
* Voltages are approximates measured without signal
** Les tensions sont des valeurs approximatives mesurées avec un écran noir
** Voltages are approximates measured at black pattern
6,4V*
3,9V*
3,6V*
4,5V*
6,0V*
3,5V**
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