Sony CFD-E100, Руководство по обслуживанию

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22 22
CFD-E100/E100L
CFD-E100/E100L
6-2. BLOCK DIAGRAM – TUNER Section –
R COUNT
2
24
4 7
20 21
FM
RF AMP
FM
MIX
FM
OSC
FM IF
AMP
IF
BUFFER
AF
BUFFER
AF
AMP
MPX MUTE
STEREO/
MONO,
FM/AM
AM IF
AMP
FM
DET
AM
DET
6
FM
RF-IN
22
AM
RF AMP
AM
MIX
AM
RF-IN
MIX-OUT
OSC
-OUT
CF2
FM/AM PLL
CF4
FM
RF-OUT
10
QUAD
FM
IF-IN
12
15
11
L-OUT
MPX
-IN
R-OUT
13
AM
IF-IN
LPF1/BAND
AM OSC FM OSC
FM/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
L2
FM CV VOLTAGE
CT1, L1
FM TRACKING
CT3, L3
AM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM (MW/LW)
X1
75kHz
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST
-IND
LP-OUT
LP-IN FM IN
20
19
11 12 18
MW/L
W
6
CT1
D1
L4
AM
OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
MUTING
Q801
BAND
DI
CL
CE
DO
DET
-OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT ST
-IND
2
3
1
4
10 9
BAND
7
MO/ST
13 8 17 16
17 18
16
19
D2
VT
D3
(2/2)
T1
AM IF
• R-ch is omitted due to same as L-ch.
R DATA
R CLOCK
R CE
R-CH
D
R MUTING
TU-L-OUT
B
T2
FM IFT
T2
FM IF
R DATA, R CLOCK, R CE,
R COUNT, R MUTING
IC1 (CFD-E100)
IC1 (CFD-E100L)
IC2 (CFD-E100)
IC2 (CFD-E100L)
CT3
CT5
D3
(1/2)
Q42 Q41
+6V
Q41, 42
MW ON
L3-1
MW
L3-2
LW
L3
AM FERRITE-ROD
ANTENNA
L3
MW/LW FERRITE-ROD
ANTENNA
MW
TRACKING
CT3, L3-1
MW/LW CV
VOLTAGE
L4
AM CV
VOLTAGE
L4
LW
TRACKING
CT5, L3-2
Q43
LW ON
MW/LW SWITCH
Q14
Q44
LW ON
CONSTANT
CURRENT
Q61
(CFD-E100)
(CFD-E100L)
(CFD-E100)
(CFD-E100L)
(CFD-E100L)
(CFD-E100L)
(CFD-E100)
MW/LW
HIGH CUT
Q12
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(Page 23)