GRUNDIG Service
Chassis LX
2 -
Hauptplatte / Main Board – Tuner
8
5
6
7
$
DIGITAL VCO CONTROL
AFC DETECTOR
RC VCO
VIF-PLL
VIF-AGC
TUNER AGC
SUPPLY
SIF-AGC
AUDIO PROCESSING
AND SWITCHES
NARROW-BAND
FM-PLL DEMODULATOR
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
SOUND CARRIER
TRAPS
4.5 to 6.5 MHz
TAGC
CAGC(neg)
CBL
VAGC
(1)
TOP
14 (15)
VPLL
19 (21)
)
3
2
(
1
2
)
6
1
(
5
1
)
7
1
(
6
1
)
8
(
9
4 (2)
10 (9)
11 (10)
12 (11)
18 (20)
20 (22)
2 (31)
1 (30)
(18) 17
(7) 8
(3) 5
(4) 6
REF
AFC
AUD
CVBS
SIOMAD
SDA
DGND
SCL
MAD
VP
CAGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
AGND
7 (5)
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22 (24)
3 (1)
L
L
P
M
F
2
P
O
1
P
O
DEEM
AFD
VIF2
VIF1
24 (27)
23 (26)
SIF2
SIF1
TDA9885
TDA9886
(1) Not connected for TDA9885.
Summary of Contents for Vision 6
Page 11: ...Chassis LX GRUNDIG Service 1 11 ...
Page 13: ...Chassis LX GRUNDIG Service 1 13 ...
Page 14: ...Chassis LX GRUNDIG Service 1 14 ...
Page 29: ...GRUNDIG Service Chassis LX 2 11 Hauptplatte Main Board IN OUT 1 ...
Page 30: ...GRUNDIG Service Chassis LX 2 12 Hauptplatte Main Board IN OUT 2 ...
Page 31: ...GRUNDIG Service Chassis LX 2 13 Hauptplatte Main Board IN OUT 3 ...
Page 34: ...GRUNDIG Service Chassis LX 2 16 Hauptplatte Main Board COFDM Demodulator 8 9 ...
Page 35: ...GRUNDIG Service Chassis LX 2 17 Hauptplatte Main Board Scaler 2 3 4 5 6 0 ...
Page 36: ...GRUNDIG Service Chassis LX 2 18 Hauptplatte Main Board Scaler 3 4 ...
