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Service manual WP 895/895F, CP885/885F, CP485F
Pin
Symbol
Function
19
V
SW
AFC switch
20, 21
V
VCO
VCO circuit
22
V
AFC
AFC output
23
V
S
Supply voltage
24
V
O, FM
Intercarrier output
25
V
O, AM
AF output-AM sound
26
R
COMP
Offset compensation
27, 28
V
i,SIF2
SIF2 input (symmetrical)
4-3-4 Block diagram
Offset
26
18
20
21
14
VCO
l' switch
VCO
Control
phase shift
FPLL
VIF amp
Loop
filter
comp.
(optional)
+
4,9,16
AM det.
FM det.
25
24
17
Cref
23
13
22
19
6
7
8
15
11
10
27
28
3
1
2
SIF 1
CAGC
5
Standard
Video det.
VIF
CAGC
CBL
AGC
(VIF)
Tuner
AGC
AGC
(SIF)
Tuner
SIF 2
SIF input
switch
SIF amp
Take over
point
Video
AFC
AFC
switch
AFC
Supply
Standard
switch
V
AF
(AM)
Intercarrier
(FM/NICAM)
Содержание WP-895
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Страница 96: ...SCHEMATIC DIAGRAM WP 895 CP 885...
Страница 97: ...SCHEMATIC DIAGRAM WP 895F CP 885F...
Страница 98: ...SCHEMATIC DIAGRAM CP 485F...
Страница 99: ......
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Страница 101: ...CP 485F...
Страница 102: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC...