RC-BM5
1-34
TEA5757(IC101): Self tuner radio (STR)
1. Terminal layout
2. Block diagram
44
43
42
41
40
39
38
37
36
35
34
12
13
14
15
16
17
18
19
20
21
22
AG
C
FM-RFI
RF GND
AM-IFI1
AM-MIXER
FM-MIXER
ST
AB(A)
FM-IFI1
AM-IFI/O2
FM-IFO1
V
ST
AB(B)
V
LFI
MUTE
AFLO
AFR
O
PILFIL
IFGND
AFC
(n)
AFC
(p)
FSI
FMFEM
CC2
V
33
32
31
30
29
28
27
26
25
24
23
FM-IFI2
AFC
P1
P0
WRITE-ENABLE
DATA
DGND
XTAL
MO/ST
BUS-CLOCK
DDD
V
RIPPLE
AM-RFI
FM-FRO
RFGND
FMOSC
AM-OSC
CC1
TUNE
VCO
AFO
V
MPXI
1
2
3
4
5
6
7
8
9
10
11
TEA5757
FM
FRONT-END
FM
OSCILLATOR
FM
MIXER
43
42
FM
IF1
FM
IF2
FM
DETECTOR
PILOT
DETECTOR
STABILIZER
SHIFT REGISTER
MULTIPLEXER
PLL
DECODER
MATRIX
SDS
MUTE
STATUS
REGISTER
IN-LOCK
DETECTOR
CHARGE
PUMP
AFC
AM/FM
INDICATOR
28
27
29
3
5
39
37
35
33
17
18
SEQUENTIAL
CIRCUIT
PRESCALER
LAST-STATION
MEMORY
CRYSTAL
OSCILLATOR
AM
FRONT-END
PROGRAMMABLE
COUNTER
WINSOW
DETECTOR
38
34
7
23
1
AM
OSCILLATOR
AM
IF
AM
MIXER
25
26
31
30
2
6
AGC
AM
DETECTOR
FM
AM
Up
Down
Level
19 kHz
V/I
CONVERTER
4
11
22 10
8
44
36
41
40
21
16
24
12
9
14
15
13
19
20
32
FM-RFO
FMOSC
FM-MIXER
FM-IFI1
FM-IFO1
FM-IFI2
IFGND
FMDEM
FSI
PILFIL
MO/ST
LFI
VCO
AFLO
AFRO
MUTE
AFC
AFC
AFC
(n)
(p)
RFGND
MPXI
AFO
V
TUNE
AGC
AM-IFI/O2
AM-IFI1
AM-MIXER
AGC
AMOSC
AM-RFI
P0
P1
XTAL
DGND
FM-RFI
RFGND
DATA
BUS-CLOCK
WRITE-ENABLE
V
STAB(A)
STAB(B)
V
CC1
V
DDD
V
RIPPLE
CC2
Hard mute
38 kHz
Stereo Mono
Stereo
level
Содержание RC-BM5
Страница 41: ...RC BM5 2 1 A B C D E F G 1 2 3 4 5 Block diagram ...
Страница 48: ...RC BM5 2 8 RC BM5 H A B C D E F G 1 2 3 4 5 Printed circuit boards Main board Reverse side ...
Страница 49: ...RC BM5 2 9 A B C 1 2 3 4 5 Tuner board Cassette board Reverse side Reverse side ...
Страница 50: ...RC BM5 2 10 A B C D 1 2 3 4 5 Display board Reverse side Power amplifier board Reverse side ...
Страница 51: ...RC BM5 2 11 A B C 1 2 3 4 5 Volume switch board Reverse side Phone jack board Reverse side ...