Block Diagram - Tuner Section - Sony ZS-D10 Service Manual

6-2. BLOCK DIAGRAM – TUNER Section –
ANT1
FM TELESCOPIC
ANTENNA
(US, CND)
L3
L1
AM FERRITE-ROD
24
FM RF
ANTENNA
CT1, L1
CT1
FM TRACKING
D1
(AEP, UK, IT, EE)
22
L3-1
CT3
D3
MW
(1/2)
CT5
CD/RADIO
+6.2V
LW SWITCH
Q43
L3-2
AM (MW/LW)
LW
Q42
Q41
L3
MW/LW
Q41, 42
FERRITE-ROD
MW SWITCH
ANTENNA
Q14
(US, CND) (US, CND)
CT3, L3 L4
AM TRACKING AM VCO VOLTAGE
(AEP, UK, IT, EE) (AEP, UK, IT, EE)
CT3, L3-1 CT5, L3-2
L4
MW LW
LW VCO VOLTAGE
TRACKING TRACKING
XOUT
20
X1
75kHz
XIN
• Abbrivation 19
CND : Canadian model
EE : East European model
IT : Italian model
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: AM (MW/LW)
(US, CND) (AEP, UK, IT, EE)
FM/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
IC1
(US, CND) (AEP, UK, IT, EE)
FM
RF-IN FM FM MIX-OUT
2 4
RF AMP MIX
FM
FM
RF-OUT
OSC
AM IFT
AM IF
AM
RF-IN
AM AM
RF AMP MIX
OSC
BUFFER
-OUT
19
AM
BUFFER
OSC
20 21
L2
FM VCO VOLTAGE
L2
L4
FM OSC
OSC
LW
SWITCH
Q44
D3
(2/2)
D2
(AEP, UK, IT, EE)
CONSTANT
CURRENT
Q61
(US, CND)
LOW-PASS
FILTER
6 18 17 16
LOW-PASS
FILTER
REFERENCE
PHASE
DIVIDER
DETECTOR/
CHARGE PUMP
12 BIT
UNLOCK
PROGRAMMABLE
DETECT
DIVIDER
FM/AM PLL
IC2
T2
FM IFT
T2
FM IF
10
FM
CF2 IF-IN
FM IF
FM
7
AF
AMP DET
BUFFER
T1
AM
CF4 IF-IN
AM IF AM
6
AMP DET
T1
LEVEL
DET
IF
BUFFER
17
D323
POWER
B+
12 11 10
UNIVERSAL
COUNTER
1/2
SWALLOW
COUNTER
SHIFT REGISTER & LATCH
19 19
L-OUT
DET MPX
-OUT -IN
AF
16 15 MPX MUTE
AMP R-OUT
(AEP, UK, IT, EE)
AM HIGH
STEREO/
CUT
MONO,
SWITCH
FM/AM
Q12
ST
IND
18 13 14
B MUTE
8 9 7 13
DI R DATA
2
CL R CLOCK
3
CCB
CE R CE
INTERFACE
1
DO R COUNT
4
ZS-D10
TU-LOUT
B
12
(Page 20)
11 R-CH
R DATA, R CLOCK, R CE,
R COUNT, B MUTE
C
(Page 20)