Diagrams; Block Diagram - Tuner Section - Sony WM-FX522 Service Manual

6-1. BLOCK DIAGRAM – TUNER Section –
FM RF AMP, FM/AM MIX AMP, FM/AM OSC,
IC1 (1/2)
ANT FMRFIN
B.P.F. RF MIX
A
2
FL1 AMP AMP
(Page 16)
OSC
29 24
L7
FM RF
L7
FM
TRACKING
D4 D3
L4
AM FERRITE-ROD
ANTENNA
CT1 D1 (1/2)
SECTION 6

DIAGRAMS

CF1
FM-MIX
4
OSCOUT
BUFFER 5
AM-MIX
AMRFIN MIX
27 5
AMP
OSC
CT1, L5
AM
TRACKING
25
L5
AM OSC
D1 (2/2)
LOW-PASS
FILTER
Q404, 408
52
X1
11
FMIFIN FM FM
8
IF AMP DET
AMIFIN
AM AM
10
IF AMP DET
IF
SWITCH
BUFFER
FM/AM
POWER
SWITCH
21 22
20
CF2
49 54 55 65
SYSTEM CONTROLLER
IC701 (1/2)
LOCAL/DX 57
15 15
FM/AM IF AMP, FM/AM DET, MPX
IC1 (2/2)
L-OUT
AF DETOUT MPXIN 16
FM
12 13
R-OUT
AMP
MPX
15
17 18 14
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: AM
19
45
WM-FX522
TUNER L-CH
B
R-CH (Page 16)