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MDX-C5960R/C5970/C5970R
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4-2. BLOCK DIAGRAM – TUNER Section –
1
4
2
FM-ANT
AM-ANT
6
VCO
21
FM/AM-IF
20
SD
5
5 283
24
10
16
9
13 12
69
100
15
VT
13
AM OSC
DATA
CLOCK
SSTOP
SDA
OSCOUT
OSCIN
SCL
SSTOP
BAND (9K-10K)
53
S-METER (VSM)
SD-IN
83
ST-MONO
62
TU-ATT
LP AM
2
LP HC
1
LP FM
LP OUT
FM IN
25
AM IN
IF FM
14
IF AM
51
QUALITY
35
NS-MASK
14
VDDA
7
VDDD
81
19
S-METER
18
16
12
FM-LCH
FM-RCH
AM-DET
23
FM-DET
FILTER
AM OSC
BUFFER
Q4
X1
10.25MHz
FM/AM PLL
IC100
05
• SIGNAL PATH
: FM
: AM (MW/LW)
MUTING
Q101
BUFFER
Q50
BAND-PASS
FILTER
IC101
R-CH
R-CH
FM/AM TUNER UNIT
TU1
MASTER CONTROLLER
IC700 (1/4)
LO/DX
11
SEEK
22
ST/MONO
SEEK
FM/AM SIGNAL
METER BUFFER
Q1
B+ SWITCH
Q51
J1
(FM/AM ANTENNA)
8
FM +B
FM B+
FM B+
10
AM +B
AM B+
TUNER B+
BACKUP +5V
9
+B
82
52
MPDH (MTP)
67
DAVN
RDS DECODER
IC102
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X2
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
Q5
NOISE DET
DISCHARGE
SWITCH
FM RDS
S-METER
RV1
(C5970: E model)
(C5960R/C5970R)
(C5970)
(C5960R/C5970R)
DATA
CLOCK
DATA, CLOCK
(Page 23)
G
FM
(Page 23)
E
AM
(Page 23)
F
S701
MW 10K/FM 200K
MW 9K/FM 50K
FREQUENCY SELECT
SEEKOUT
MUTING
CONTROL SWITCH
Q103
D5