Diagrams; Block Diagram - Tuner Section - Sony CFS-616S Service Manual

CFS-616S
Q Q
3 7 6 3 1 5 1 5 0
6-1. BLOCK DIAGRAM – TUNER Section –
ANT1
FM/SW
TELESCOPIC
ANTENNA
S1 (1/8)
B.P.F.
S1
BAND
MW
CT3, L3
MW
SW2
TRACKING
L3
SW1
MW
FERRITE-ROD
ANTENNA
FM
CT7, L7
SW2 TRACKING
L7
SW2
ANT
T E
L 1 3 9 4 2 2 9 6 5 1 3
L5
SW1
ANT
CT5, L5
SW1 TRACKING
05
R-ch: Same as L-ch.
w w w
SECTION 6

DIAGRAMS

CT1, L1
FM TRACKING L1
FM RF
CV1 – CV4
CV1 CT1
TUNING
B.P.F. 18
S1 (4/8)
19
CT4, L4
MW FREQUENCY
VREF COVERAGE
S1 (3/8)
L4
MW OSC
CT4
CT3
CT8, L8
SW2 FREQUENCY
COVERAGE
CV3
S1 (2/8)
L8
CT7
SW2 OSC
CT8
CT6, L6
SW1 FREQUENCY
CT5 S1
COVERAGE
BAND
MW
L6
SW1 OSC
SW2
CT6
SW1
FM
S1 (7/8)
VREF
x a o
. i
– 13 –
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FM IF
20
FM
RF
FM/AM
FM RF
FE OUT CF1, 2
IN FM
16
FRONT-END
T1
AM IF
AM RF
CF3
IN AM
FRONT-END
24 22
CT2, L2
CT2, L21
FM FREQUENCY
S1 (6/8)
COVERAGE
BAND
SELECT
S1 15
CV2
CT2
BAND
L2 (Except Saudi Arabia model)
MW Q Q
3 7
L21 (Saudi Arabia model)
FM OSC
SW2
SW1
FM
VR1
FINE TUNING
S1 (8/8)
FINE TUNIG
CONTROL
Q1
CV4
CV1 – CV4
BAND
TUNING
SELECTOR
Q2
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9 9
T2
26
FM
FM/AM FRONT-END,
DISCRI
FM/AM DET, MPX
FM
IC1
IF IN FM IF/
13
DISCRI
L-CH
OUT
DECORDER
+
6
AMP
AM
R-CH
IF IN
AM IF/
OUT
14
SWITCH 5
DET
PD1 1/2
COUNTER
1/2
PD2 COUNTER
ST IND
4
VCO
3 2 1 29 27
RV1
L.P.F.
FM VCO
6 3 1 5 1 5 0 8 9
MW
SW2
SW1
S1
BAND
FM
AUDIO B+
S1 (5/8)
D3
m
c o
.
– 14 –
2
8 9 9
• SIGNAL PATH
: FM/SW
: MW
TUNER L-CH
A (Page 15)
R-CH
2 4 9 8 2 9 9
MUTING
B (Page 15)