Block Diagram - Tuner Section - Sony D-NS313F Service Manual

5-2. BLOCK DIAGRAM –TUNER SECTION–
FL001
CD/POWER
A BPF
ANT
SECTION
(Page 10)
L003
FM L003
TRACKING
(FM RF)
D002
L004
FM
L004
FREQUENCY
(FM OSC)
COVERAGE
D003
L001
AM
FERRITE-BAR
ANTENNA
D001
CT001
CT001, T001
AM
TRACKING
T001
(AM OSC)
TU-VCC
(VT)
LPF
Q002
D-NS313F
IC001
FM RF AMP, FM/AM OSC, T002
FM/AM IF AMP, FM/AM DET, FM MPX, PLL
AM IF
FM
T002
FM/TV RF IN
1
(AM IFT)
MIX OUT 10.7MHz
FM/TV
3
TV
MIX
FM RF OUT
30
28
RF VCC
FM/TV OSC
26
1/2
1/16
1/4
AM RF IN
AM
27
MIX
AGC
4 AGC
AM OSC
AM
25
OSC
D004
T003
TU-VCC
DC-DC
CONVERTOR
Q003
10 FM_H
IC1001(1/2)
TUNER
CONTROLLER
FM IF
CF001
FM IF IN
FM AF
5
DET
IF BUFFER
TU-VCC
CF002
450kHz
AM IF IN AM
7
DET
1/8
AM IF
TU-VCC
FM
IF IN
FM/TV1/2
FM1/32
BUFFER
TV1/8
AM
8
CF003
10.7MHz
TU-VCC
PLL_CE 12
TCK 13
IC801(2/2)
TDO 14
SYSTEM
CONTROL
TDI 15
11 11
INVERTER
Q001
L OUT
DET OUT MPX IN
9 10 FM MPX MUTE
R OUT
LPF1
LPF2
XI
INV
AM PLL
REFERENCE
DIVIDER
XO
FM OSC IN
PROGRAM TUNER:H
PC
COUNTER
AM OSC IN
SHIFT:L
FM/AM/TV
SWITCH
24 23 22 21 17 20
TU-VCC
VOL_EN 37
TCK 36
TDO 35
TDI
34
D-NS313F
IC901
TU VOLUME
L IN L OUT
13 6 5 TU L
CD/POWER
B
SECTION
R IN R OUT
14 11 12 TU R
(Page 10)
TU-VCC
11
AVDD 7
12
DVDD DDC
4
16
14 15 16
X001
75kHz
15
CD/POWER
TUNER:H C
19
SECTION
(Page 10)
CD/POWER
D
18 SHIFT:L
SECTION
(Page 10)
• Signal Path
: FM
: AM