AVR250
SURROUND SOUND RECEIVER
- 46 -
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
ALC
AM
OSC
AM
MIX
AM
RF .AMP
REG
AGC
AM IF
AM
S-METER
TUNING
DRIVE
STEREO
DRIVE
V
CC
V
CC
AM/FM
IF-BUFF
FM
S-METER
S-CURVE
AM IF
FM
DET
GND
FM IF INPUT
AM MIXER
OUTPUT
FM IF INPUT
BYP
ASS
AM IF INPUT
GND
TU-LED
ST
LED
AM-IF OUTPUT
FM DETECT
OR
A
M NARROW CF
FM S-METER
OUTPUT
AM S-METER
OUTPUT
MUTE
FM/AM
SWITCH
PILOT
V
CO
SD
COMP
DET
BUFF
DECODER
ANTI-BIRIDE
3 rd 5 th
STEREO
SW
MUTE
VCO
304kHz
FF
38k
P-DET
Ø
FM SD
ADJ
OSC
REG
AM RF
INPUT
AFC
AM AGC
AM DETECT
OR
INPUT
FM DETECT
OR
OUTPUT
MPX
IUTPUT
MPX
OUTPUT
MPX
OUTPUT
AM STEREO L
INPUT
AM STEREO R
INPUT
L-OUT
R-OUT
FF
19k
FF
19k
PILOT
DET
TUNER BOARD
U901: LA1837
Vdda
3
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
DATA
DECODER
VREF
1
VREF
FLOUT
5
CIN
6
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+
_
Vddd
11
Vssd
10
RDDA
14
RDCL
15
MODE
12
RST
13
RDS-ID/READY
16
Vssa
4
MPXIN
2
TEST
7
TEST
57kHz
BPF
(SCF)
SMOOTHING
FILTER
OSC
CLK(4.332MHz)
9
XIN
8
XOUT
RDS-ID
DETECT
RAM
(128bits)
TUNER BOARD
U902: LC72723M
Содержание DiVA AVR250
Страница 4: ... 3 AVR250 SURROUND SOUND RECEIVER ADJUSTMENT POINTS DIAGRAM AMP1 board ...
Страница 5: ...AVR250 SURROUND SOUND RECEIVER 4 AMP2 board TUNER board OSC RF VT ...
Страница 6: ... 5 AVR250 SURROUND SOUND RECEIVER VIDEO board ...
Страница 12: ... 11 AVR250 SURROUND SOUND RECEIVER KEY board PCB LAYOUT ...
Страница 13: ...AVR250 SURROUND SOUND RECEIVER 12 AMP2 board component side ...
Страница 14: ... 13 AVR250 SURROUND SOUND RECEIVER AMP2 board copper side ...
Страница 16: ... 15 AVR250 SURROUND SOUND RECEIVER AUDIO board copper side VOL board PHONE board ...
Страница 18: ... 17 AVR250 SURROUND SOUND RECEIVER CON2 board component side CON2 board copper side PSU board ...
Страница 19: ...AVR250 SURROUND SOUND RECEIVER 18 DSP board component side ...
Страница 20: ... 19 AVR250 SURROUND SOUND RECEIVER DSP board copper side ...
Страница 21: ...AVR250 SURROUND SOUND RECEIVER 20 MAIN board ...
Страница 22: ... 21 AVR250 SURROUND SOUND RECEIVER TUNE board ...
Страница 23: ...AVR250 SURROUND SOUND RECEIVER 25 MUTI board copper side ...
Страница 24: ...AVR250 SURROUND SOUND RECEIVER 26 VIDEO board component side ...
Страница 25: ...AVR250 SURROUND SOUND RECEIVER 22 PMAIN board component side PMAIN board copper side ...
Страница 26: ...AVR250 SURROUND SOUND RECEIVER 23 AMP1 board component side AMP1 board copper side ...
Страница 27: ...AVR250 SURROUND SOUND RECEIVER 24 MUTI board component side ...
Страница 28: ...AVR250 SURROUND SOUND RECEIVER 27 VIDEO board copper side ...
Страница 29: ...AVR250 SURROUND SOUND RECEIVER 28 RS232 board component side RS232 board copper side ...
Страница 30: ...AVR250 SURROUND SOUND RECEIVER 29 TUNER SCHEMATIC DIAGRAM ...
Страница 46: ... 45 AVR250 SURROUND SOUND RECEIVER MULTI CH BOARD U401 WM8770 ...
Страница 87: ...PEMBROKE AVENUE WATERBEACH CAMBRIDGE CB5 9PB ENGLAND www arcam co uk Sep 01 2004 P N AL060C SM00A ...