XR-C6210R/C6220R
– 17 –
– 18 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
1
4
2
FM-ANT
AM-ANT
6
VCO
21
IF-COUNT/SEEK
20
SD
5
11
19
20
15
5
6 4
25
13
26
VT
13
AM-XTAL-IN
CK
3
CE
DOUT
XTOUT, XTIN
DIN
PLLSI
PLLCE
53
VSM
SD-IN
20
ST-MONO
5
TUNMUTE
AM-CPOUT
18
FM-CPOUT
VT
FM-VCO
16
AM-VCO
IF IN
10
SEEK
2
OSC OUT
PLLSO
27 28
PLLCKO
50
NOISE DET
32
NOISE ON
4
19
S-METER
18
16
12
LCH-OUT
RCH-OUT
AM-DET
23
FM-DET
FILTER
X1
10.25MHz
FM/AM PLL
IC1
05
• SIGNAL PATH
: FM
: AM (MW/LW)
MUTING
Q151
BUFFER
Q51
MUTING
CONTROL SWITCH
Q52
MUTING
Q121
BAND-PASS
FILTER
IC90
R-CH
D51
R-CH
FM/AM TUNER UNIT
TU1
SYSTEM CONTROLLER
IC501 (1/3)
LO/DX
11
SEEK
22
ST
LO/DX
J1
(FM/AM ANTENNA)
8
+8V-FM
FM B+
10
+8V-AM
AM B+
D1
9
+8V-TU
1
52
MTP
75
DAVN
RDS DECODER
IC51
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X51
4.332MHz
4
8
5
OSCI
OSCO
10
9
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
Q90
NOISE DET
DISCHARGE
SWITCH
FM RDS
S-METER
RV1
DATA
CLOCK
DATA, CLOCK
(Page 19)
C
FM-L
(Page 19)
A
AM
(Page 19)
B
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SEEKOUT
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
