Tuner Section - Sony D-FJ61 Service Manual

Q Q
– TUNER SECTION –
3 7 6 3 1 5 1 5 0
B.P.F
FL1
L3 AM
MW FERRITE-ROD TRACKING
ANTTENA
US, CND, E92, AR
D3
MODEL
Q3
FM
LOCAL/DX
EXCEPT US, CND, E92, AR
MODEL
Q1
MONO/ST
SWITCH
T E
L 1 3 9 4 2 2 9 6 5 1 3
• Signal Path
: FM
w w w
.
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2 FM IF
MIX OUT 4
FM
TRACKING
24 FM RF
L1
FM RF
RF AMP
22 AM RF QUAD 10
Q7
FM
F-COVER
21 FM OSC
L2
LPF2 13
FM OSC
XAM/FM
L4
AM
AM OSC
XIF REQ 17
F-COVER
20 AM OSC
17 LPF1
OSC OUT 19
XMO/ST
DC/DC
+B SWITCH
CONVERTER
V IN TU +B V IN
Q4,5
T81,Q84-86
x a o u 1 6 3
y
i
16
— 13 —
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8
FM /AM
IF/RF AMP
L OUT 12
IC1
CF2,3
10.7MHz
7 FM IF
AM IF
R OUT 11
T1
AM IFT
CF1
450kHz
6 AM IF
X1
DTS µCOM
10.7MHz
AM/FM
SWITCH 59 AM/XFM
Q2
IF ON
CONTROL 61 IF REQ
Q6
64 IF IN
71 AM IN
60
+B ON/OFF
BUFFER
70 FM IN
Q60
Q Q
3 7 6 3 65 EQ 1
55 ST/DX CTR
IC81
+1.6V
V IN 3 45
2 AD DL REF
REG
75 XIN
X1
75kHz
74 XOUT
EEPROM
IC62
30
DI 3 EEP DO/DI
DO 4
SK 2 31 EEP SK
CS 1 32 EEP CS
1
COM0
4
COM3
SWITCH
UNIT
5 S1
20 S16
25 XLOCAL/XMONO DET
c o
21 AM STEP
36 MEM KEY
.
2 4
9 9 8
IC71
LINE AMP
2 1
6 7
IC1
TU MUTE 62
SYSTEM CONTROL
IC801(1/2)
SDO CDU 47 31 (CD)SDI
SDI CDU 46 32 (CD)SDO
SCK CDU 48 30 TU SCK
CD ACK 38 34 ACK CD
53
LCD REQ 28 LCD REQ
CDON IWP CDU 39 5 CDON
RESET 73 29 XCD RESET TU
LID OPEN 29 21 WP OPEN
TU ON 54 35 TU ON
5 1 5 0 8 9 2 74 CD WP 4 9
AD1 KEY 42 18 AD CD KEY
6 SWEN2
TU BEEP 49
TU BASS1 58
TU BASS2 56
XAVLS I SW 52
XHOLD I SW 51
XL/O 33
AD2 REM KEY 43
AD3 BATT HIDC 44
VDD
72
+B SWITCH
XDC DET XDC DET 53
Q61
V IN
m
+B SWITCH
Q8,9
— 14 —
D-FJ61/FJ65
2
9 9
FM ANT
TU-L
A MAIN
SECTION
TU-R
MUTE O HP
8 2 9 9
BEEP O HP
XTU BASS1
TU BASS2
AVLS I SW
MAIN
B
SECTION
HOLD I SW
XL/O
REM KEY
AD I HIDC/BATT
VCPU 2V
XDC DT 3.6V
C MAIN
SECTION
VIN 3V
TU VCC