Read Sony CFD-CD777SMK2 Service Manual online
CFD-CD777SMK2
19
19
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
L3
MW FERRITE-ROD
ANTENNA
ANT1
FM/SW
TELESCOPIC
ANTENNA
L5
SW1
ANT
L7
SW2
ANT
CT3
CT5
CT7
S1 (6/8)
TU REG
B+
S1 (8/8)
S1 (7/8)
MW
SW2
SW1
FM
S1
BAND
MW
SW2
SW1
FM
S1
BAND
B.P.F.
FL1
S1 (5/8)
18
20
16
13
19
24
22
FM
FRONT-END
FM IF/
DISCRI
DECORDER
AMP
SWITCH
REGURATOR
1/2
COUNTER
1/2
COUNTER
AM IF/
DET
PD1
VCO
PD2
AM
FRONT-END
FINE TUNIG
CONTROL
Q1
MUTING
Q4, 5, 7, 8
FUNCTION
MUTING SWITCH
Q6
BAND
SELECTOR
Q2
14
FM RF
IN
IN
FM/AM
OUT
CF1, 2
CF4
VCC
T1
AM IF
FM
RF
RF
26
FM
DISCRI
DISCRI
FM
IF IN
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
IF IN
DET LPF
15
BAND
SELECT
PILOT
PLL
LPF
PLL
LPF
VCO
RV2
AM OSC
CT4
L4
MW OSC
L8
SW2 OSC
L6
SW1 OSC
CV4
RV1
FM OSC
AM RF
IN
IN
21
REG
OUT
OUT
TU REG
B+
L2
FM OSC
L1
FM RF
CF3
FM/AM FRONT-END,
FM/AM DET, MPX
IC1
CV3
CT1
CT8
CT6
S1 (3/8)
S1 (4/8)
S1 (2/8)
CV1
FM FREQUENCY
COVERAGE
CT2, L2
MW FREQUENCY
COVERAGE
CT4, L4
SW2 FREQUENCY
COVERAGE
CT8, L8
SW1 FREQUENCY
COVERAGE
CT6, L6
CT2
CV2
FINE TUNING
S305 (2/2)
ISS, FM MODE
D328
FM STEREO
+
FM VCO
L.P.F.
+
TUNER B+
D6
D3
MONO (3)
ST (2)
ST (1)
S1 (1/8)
MW
SW2
SW1
FM
S1
BAND
MW
SW2
SW1
FM
S1
BAND
TUNER MUTE
AM IF
CT1, L1
FM TRACKING
CT3, L3
MW TRACKING
CT5, L5
SW1 TRACKING
CT7, L7
SW2 TRACKING
+
• SIGNAL PATH
: AM
: FM
• R-ch is omitted due to same as L-ch.
C
(Page 21)
D
(Page 22)
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