Block Diagram -Tuner Section - Sony D-FJ200 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-2. BLOCK DIAGRAM –TUNER SECTION–
D-FJ200: US/FJ201
Q4
Q8
TO
US
FL1
CD
D ANT BPF
SECTION
(Page 8)
BPF
FL2
EXCEPT US
FJ200:US
L3
L3
TV/WB
(TV RF)
TRACKING
D2
L4 L4
(FM RF)
FM
TRACKING
D3
L2
L2
FM/WB/TV (FM/TV OSC)
FREQUENCY
D4
COVERAGE
L1
AM
FERRITE-ROD
ANTENNA
CT1
L5, CT1
AM
D1
TRACKING
T E
L 1 3 9 4 2 2 9 6 5 1 3
L5
(AM OSC)
(VT)
TU-VCC
LPF
Q12,13
X3
65
75KHz
74 X_O
X_I
75
IC4
EEPROM
EEP-CS_O
CS 1 32
SK 2 31 EEP-SK_O
30 EEP DO/DI_IO
D1 3
D0 4
COM1-4 S1-17
1-4 5-20,25
w w w LCD801
LIQUID
CRYSTAL
DISPLAY
.
• Signal path.
F
: FM
E
: CD PLAY
f : AM
IC1
TV/FM/AM FRONTEND, FM MPX
TV-RF
CF2
1
FM/TV FM-MIX_O
4
MIX
FM-RF
2
TV-RF_O
30
TU-VCC
FM-RF_O
29
FM/TV-OSC
TV
24
OSC
BUFF
FM
1/2
OSC
1/8
or
1/16
AM_BP
CF3
28 AM-MIX_O
AM
AM-RF_I 5
27 MIX
TU-VCC
BUFF BUFF
AM-OSC
AM
25
OSC
D6
T1
B+ SWITCH
+VBAT
Q10,11
DC-DC
CONVERTOR
IC6
Q14
3 2 5
IC5,6
FJ200:AUS,CH,US/FJ201
LEVEL
1
COMPARATOR
35
IC3
TUNER CONTROL
28 39 73 47 54
21
36 39 70 75 10 9
x a o
y
IC801(2/2)
SYSTEM
i
CONTROL
MICON
http://www.xiaoyu163.com
8
Q7
FM-IF_I DET_O
MPX_I
FM
8 12 13
DET
FM-IF
IF BUFF
AM-IF_I AM
10
DEF
SW
AM-IF
Q Q
3 7 6 3
23 19 20
IC5
WAVE
SHAPER
Q15
6 3 1
7 4
42 71 64 61 52 59
D302 D301
AMUTE_O 74 62
u 1 6 3
BEEP_O 38
49
.
TUNER_POWER_O
29
9 9
http://www.xiaoyu163.com
2 4
9 9 8
L_O
16
FM
MPX
R_O
15
LPF2A
17
LPF2B
18
LPF1
14
MODE1
21
MODE2
22
1 5 1 5 0 8 9 2 4
B+ SWITCH
VCPU_2.0V
RF-VCC 26
Q5,9
IC2
+1.6V REG.
TU-VCC
1 VOUT VIN 3
RM_KEY
41 55 45
HIDC_I 44
TUDC_MNT
VOL+ 33 VOL+
VOL-
27 VOL-
TU-HOLD_I 51 HOLD
XLID-OPEN_I 29 OPEN_DTS
CDU-SCK_I 48 SCK
CDU-SDI_I 46 SDTO
BATT_I 43 BATT_MNT
AD-KEY1_I 36 AD-KEY1
AD-KEY2_I 36 AD-KEY2
38 TU_ON
TU-ON_O
37 PGM_SC_SEL
SC-SEL_I
TU-BASS_O 56 TU-BASS2
m
58 XTU-BASS1
XTU-BASS_O
TU_MUTE_O
c o
VOL_PWM_O
50 PWM
TU_BEEP_O
BEEP
AMUTE
D-FJ200/FJ201
2
9 9
TO
TU_L
CD
C
SECTION
TU_R
(Page 8)
9 8 2 9 9
+VBATT
TO
CD
B
SECTION
(Page 8)
TO
CD
A
SECTION
(Page 8)