Block Diagram - Tuner Section - Sony CX-J3000 Service Manual

CX-J3000/J3000M
7-2. BLOCK DIAGRAM – TUNER SECTION –
L516, TC503
MW TRACKING
CN502
LOOP
ANTENNA L516
MW ANT
TC503
(J3000)
L505
SW2 ANT
SW2 TRACKING
D505
L504
SW1 ANT
SW1
SWITCH
Q508
TC502
D506
L504, TC502
SW1 TRACKING
(J3000)
CX-J3000/J3000M
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ANT501
FM/SW TELESCOPIC
ANTENNA
FM TRACKING
RF AMP
Q510
(J3000M)
MW SWITCH
TU +5V
Q509
OSC
SWITCH
L503
Q506
MW OSC
MW VT
VOLTAGE
SW2 SWITCH
Q507
TU +5V
OSC
SWITCH
L502
Q504
SW2 OSC
SW2 VT
VOLTAGE
D501 D502
OSC
SWITCH
L501
Q505
SW1 OSC
SW1 VT
VOLTAGE
2 FM RF-IN MIX-O 4
L512
FM RF
24 FM RF-OUT
L513
FM OSC
21 FM-OSC
FM VT
VOLTAGE
22 AM RF-IN
20 AM-OSC
(J3000M)
MW OSC
Q503
19
SW2 OSC
Q501
16 15
SW1 OSC
Q502
8 7
BAND SELECT
SWITCH
Q516
D503
BAND SELECT
SWITCH
Q511, 512
D504
BAND SELECT
SWITCH
Q515
18 18
FM/AM FRONT END,
IF AMP, EQ
IC501
L514
MW IF
10 QUAD
CF503
MW IF
CF501 CF502
BUFFER
7 FM IF-IN DET-O 16
Q514
6 AM IF-IN
MUTING
Q513
17 18
LOW-PASS
FILTER
20 19 18 9 12 13
PLL
IC502
1 22
X501
4.5MHz
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
TU-L
C
15 MPX-IN L-OUT 12
(Page 19)
R-OUT 11 R-CH
13 14
ST-IND
D
(Page 19)
10 11
TU-DO
E
DO 6
TU-DI
DI 4
(Page 19)
TU-CLK
CL 5
TU-CE
CE 3
: FM
: AM (MW/SW)