Sony HCD-EC55 - Block Diagram - TUNER Section

3131
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
7-2. BLOCK DIAGRAM — TUNER SECTION —
: TUNER(FM)
: TUNER(AM)
• Signal Path
Q803
5
11
25
7
1
31
83
26
27
28
18
16
17
15
19 20
AM RF-IN
AM-OSC
36
FM RF-IN
34
FM RF-OUT
FM-OSC
32
FM/AM
ANTENNA
L805
D801
L801
AM OSC
L804
FM RF
D804
D803
L803
FM OSC
FL802
10.7MHz
T801
PD
LP-IN
LP-OUT
DO
DI
CL
CE
X801
75kHz
XIN XOUT
AM-MIX
FM-MIX
FM-DET
AGC
AM IF-IN
FM IF-IN
12
13
L-OUT
R-OUT
IC801
AM/FM ,DET,OSC
MIX, PLL ,IF AMP
TU-DO
TU-DI
TU-CE
TU-CLK
TU-ANSD
MAIN
SECTION
(Page 32)
B
TUNER
R-CH
R-CH
TUNER
L-CH
L-CH
CN801
3
1
FM FREQUENCY
COVERAGE
AM FREQUENCY
COVERAGE
AM TRACKING
FM DETECTOR
FM TRACKING
CF801
450kHz
TU-DI
TU-CE
TU-DO
TU-ANSD
+9V
VM9V
+3V
+5V
TU-CLK
L802
Q801
Q802
+3V
REG
+5V
REG
AM
FM
IF TRANSFORMER
IF AMP
BPF
FL803