Ic101 Teil 1 - Grundig GREENVILLE 7008/5 TOP Service Manual

GRUNDIG Service
Chassis – IC101 Teil 1 / Part 1
QSS SOUND IF SOUND PLL
AGC DEEMPHASIS
SIFIN
QSS MIXER AUDIO SWITCH (AVL)
AM DEMODULTOR VOLUME CONTROL
TUNER AGC
VISION IF REF
ALIGNMENT-FREE
VIFIN
LUMA DELAY
PLL DEMOD.
PEAKING
AGC/AFC
VIDEO AMP.
SOUND
IFV O/SV O
TRAP
REF
GROUP DELAY
CORRECTION
PAL/SECAM/NTSC
VIDEO SWITCH
CVBS2
DECODER
VIDEO IDENT.
CVBS3/Y
VIDEO FILTERS
C
CVBS1O
IFV O2
H-DRIVE
H/V SYNC SEP.
2 nd LOOP
H-OSC. + PLL
H-SHIFT
H
H_DRIVE
+33V
TUNER14_1
TU101
R105
R172
100R
0R
C104
47p
C102 C106
R102
1n
table
33k
R101
+5V
L101
3.9k
10u
SCL
SDA
R179
+5V
(47R LL'& mono LL')
L_L'
40.4MHz F108
R187
C180 D103
3.3k
R183 1n
BA682
10k
R194 D104
BC848
BA682
T109
100R
R181
T108
100R
R180
2.2k
BC848
SECAM L/L' MODULE
ONLY MONO
+8V
R104
R107
470R
6.8k
T102
BC848
T101
SC.OUT_MONO
R106
R103
3.3k
3.3k
EHT_COMP
VDRIVEA
VDRIVEB
EW_DRIVE
CVBS_IN_SCART1
SCL SDA
I 2 C-BUS
ENHANCED 1/10 PAGE
TRANSCEIVER
80C51 CPU
VST PWM-DAC
I/O PORTS
H
CVBS
TELETEXT TELETEXT/OSD
ROM/RAM V
ACQUISITION
COR
SYNC
CONTR/BRIGHTN
OSD/TEXT INSERT
BASE-BAND
BLUE STRETCH
DELAY LINE
WHITE-P. ADJ.
RGB/YUV INSERT
Y
SATURATION
V-DRIVE +
EW GEOMETRY U
BLACK STRETCH
GEOMETRY
WHITE STRETCH
V V
EHTO
(EWD)
R/V G/Y B/U BL
V-DRIVE
HOUT
15
GND4
14
GND3
13
GND2
12
GND1
5
R108
100R
C114
D102
L102
C107
(1N4148 LL' & mono LL' )
table
47p
R176
0R(12K LL'& mono LL')
38
37 C105
100u/16V
C101
C103
100p
10n
C174
R196
(470n LL'& mono LL')
table
X103
L/L'
R188
3.3k
X104 L/L'
R189
T107
10k
R185
BC848
10k
F102
table
R110
470k
+8V
C108
R114
table
BC848
1u/16V
R115
R109
table
150k
C116
100n
+3.3 V
+8V
MEMORY
DISPLAY
R G B BL
RO
GO
BO
CCC
BCLIN
C178
BLKIN
table
R G B
3 - 8
Variant Components P. 3-15
Oscillograms P. 3-16
DC Voltages P. 3-18
R241 R236
0R 0R
R126
+8V
2.7k
R116
9
1R
C127
C118
100u/16V
22n
R117
39
C120
1R C128
22n
100u/16V
R113
1k 36
C139
C111
table
100p
4.7u/63V
25
R124
680R
22
C186 C133
F105
table 22n
table
18
F101
table
19
R166
table
F106
table
23
24
33
C109
R127
table
20
39k %1
34
C130
1n
23
R122
17
100R C134
1n
24
R123
16
100R
C135
1n
C180 A
C126
21
100n %5
29
R119
15
table
C122
46
100n
42
C165
56p
C112
12
4.7n/50V
C110
R112
10
C125
15k
1u/100V
7
220n
(10k MM)
11
C129
2.2n
13
R130
26
C144
table
table
43
C132
C124
14
100n
Chassis 14.2
R128
100R
VP2
VP1
SIF AGC
GND2
AGC
PIF1
PIF2
A
SIF_IN1
SIF_IN2
AUDEEM
V_IREF
EHT
1/2
IC101
table
VDRIVE_A
VDRIVE_B
VSAWTOOTH
EW_AVL
EXT_CVBS
PHI_1
DIGIDEC
VSSA
PHI_2
GND3
GND
BANDGAP