Block Diagram -Tuner Section - Sony D-FJ210 Service Manual

D-FJ210/FJ215
Q Q
3 7 6 3 1 5 1 5 0
5-2. BLOCK DIAGRAM –TUNER SECTION–
Q4
TO
FJ210
CD
D ANT
SECTION
(Page 9)
FJ210
CT2
L3, CT2
L3
TV
(TV RF)
TRACKING
D2
L4 L4
(FM RF)
FM
TRACKING
D3
L2
L2
FM/TV (FM/TV OSC)
FREQUENCY
D4
COVERAGE
L1
AM
FERRITE-ROD
ANTENNA
CT1
L1, CT1
AM
TRACKING
L5
T E
L5 L 1 3 9 4 2 2 9 6 5 1 3
AM
(AM OSC)
FREQUENCY
COVERAGE
(VT)
TU-VCC
LPF
Q12,13
EXCEPT FJ215:CH
CF5
65
(75KHz)
74 X_O
X_I
75
IC4
EEPROM
1 32 EEP-CS_O
CS
SK 2 31 EEP-SK_O
D1 3 30 EEP DO/DI_IO
D0 4
COM1-4 S1-17
1-4 5-20,25
LCD1
w w w
LIQUID
CRYSTAL
DISPLAY
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
5
AM-RF_I
27 MIX
TU-VCC
BUFF BUFF
AM-OSC
AM
25
OSC
D6
T1
B+ SWITCH
+VBAT
Q10,11
DC-DC
CONVERTOR
IC6
Q14
S1
3 2
STEP
VCPU_2.0V
IC5,6
10K
LEVEL
R
1
9K COMPARATOR
21 35
IC3
TUNER CONTROL
28 33 39 73 47 54
39 37 70 75 10 9
x a o
IC801(1/2)
SYSTEM
. i
CONTROL
MICON
http://www.xiaoyu163.com
Q7
FM-IF_I DET_O
MPX_I
FM
12 13
8
DET
FM-IF
IF BUFF
AM-IF_I AM
10
DEF
SW
AM-IF
Q Q
3 7
23 19 20
Q8
BUFFER
IC5
Q15
5 6 3 1
7 4
42 71 64 61
D301
29
AMUTE_O 74
D302
u 1 6 3
y
BEEP_O
38
10 10
http://www.xiaoyu163.com
2 4
8 9 9
L_O
16
FM
MPX
R_O
15
LPF2A
17
LPF2B
18
LPF1
14
MODE1 Q2
21
MODE2
Q3
22
IC2
+1.6V REG.
1 VOUT VIN 3
AD-DC_REF 45
6 3 1 5 1 5 0 8 9
B+ SWITCH
RF-VCC
26
Q5,9
TU-VCC
52 59 55
TU-HOLD_I 51
29
XLID-OPEN_I
CDU-SCK_I 48
CDU-SDI_I 46
BATT_I 43
PLAY-KEY-CLT_O 26
AD-KEY2_I 36
AD-KEY1_I 34
38
TU-ON_O
37
SC-SEL_I
TU-BASS_O
56
m
XTU-BASS_O 58
62 TU_MUTE_O
VOL_PWM_O c o 50
49 TU_BEEP_O
.
• Abbreviation
CH
2
8 9 9
TO
TU_L
CD
C
SECTION
TU_R
(Page 9)
+VBAT
2 4 9 8 2 9 9
VCPU_2.0V
RM_KEY
HOLD
TO
OPEN_DTS
CD
SCK
B
SECTION
SDTO
(Page 9)
BATT_MNT
AD-KEY1
AD-KEY2
TU_ON
PGM_SC_SEL
TU-BASS2
XTU-BASS1
TO
PWM CD
A
SECTION
(Page 9)
BEEP
• SIGNAL PATH
AMUTE
: FM
: AM
: Chinese