– 13 –
– 14 –
CFS-616S
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
18
20
16
13
19
24
22
FM
FRONT-END
FM IF/
DISCRI
DECORDER
AMP
SWITCH
1/2
COUNTER
1/2
COUNTER
AM IF/
DET
PD1
VCO
PD2
AM
FRONT-END
FINE TUNIG
CONTROL
Q1
BAND
SELECTOR
Q2
14
FM RF
IN
FM/AM
FE OUT
CF1, 2
CF3
FM
RF
26
FM
DISCRI
FM
IF IN
6
5
L-CH
OUT
R-CH
OUT
R-CH
TUNER L-CH
4
27
29
1
2
3
ST IND
AM
IF IN
PILOT DET
LPF2
15
BAND
SELECT
PILOT DET
LPF2
PLL
LPF1
PLL
LPF2
VCO
AM OSC
CT4
L4
MW OSC
VREF
VREF
L3
MW
FERRITE-ROD
ANTENNA
ANT1
FM/SW
TELESCOPIC
ANTENNA
L8
SW2 OSC
L6
SW1 OSC
CV4
VR1
FM OSC
AM RF
IN
L2 (Except Saudi Arabia model)
L21 (Saudi Arabia model)
FM OSC
L1
FM RF
FM/AM FRONT-END,
FM/AM DET, MPX
IC1
CV3
CT3
L7
SW2
ANT
CT7
L5
SW1
ANT
CT5
CT1
CT8
CT6
S1 (7/8)
S1 (8/8)
S1 (6/8)
S1 (2/8)
S1 (3/8)
S1 (4/8)
S1 (1/8)
CV1
CT2
CV2
FINE TUNING
CV1 – CV4
TUNING
CV1 – CV4
TUNING
MW
SW2
SW1
FM
S1
BAND
MW
SW2
SW1
FM
S1
BAND
MW
SW2
SW1
FM
S1
BAND
MW
SW2
SW1
FM
S1
BAND
+
RV1
FM VCO
CT8, L8
SW2 FREQUENCY
COVERAGE
CT6, L6
SW1 FREQUENCY
COVERAGE
CT2, L2
CT2, L21
FM FREQUENCY
COVERAGE
CT4, L4
MW FREQUENCY
COVERAGE
CT3, L3
MW
TRACKING
CT7, L7
SW2 TRACKING
CT1, L1
FM TRACKING
T1
AM IF
T2
FM IF
CT5, L5
SW1 TRACKING
L.P.F.
B.P.F.
B.P.F.
+
AUDIO B+
D3
S1 (5/8)
A
MUTING
B
(Page 15)
(Page 15)
• SIGNAL PATH
: FM/SW
: MW
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
