Block Diagram - Tuner Section - Sony HCD-EC55 Service Manual

7-2. BLOCK DIAGRAM — TUNER SECTION —
CN801
AM
1
ANTENNA
FM/AM
3
FM
FM TRACKING
L804
FM RF
HCD-EC55/EC77/GX99
AM TRACKING
L805
1 AM RF-IN
D801
L801
AM FREQUENCY
AM OSC
COVERAGE
31
AM-OSC
FL803
BPF
36 FM RF-IN
34 FM RF-OUT
D804
32 FM-OSC
L803
D803
FM OSC
FM FREQUENCY
COVERAGE
26 PD
27 LP-IN
LP-OUT
28
IC801
AM/FM ,DET,OSC
MIX, PLL ,IF AMP
IF TRANSFORMER
T801
CF801
450kHz
AM-MIX 5 7 AM IF-IN
FM-DET
11
FL802 Q803
10.7MHz
FM-MIX 3 IF AMP 8 FM IF-IN
TU-ANSD
AGC 25
TU-DO
DO 18
TU-DI
DI 16
TU-CLK
17
CL
TU-CE
15
CE
19 20
X801
75kHz
31 31
TUNER
L-CH
12
L-OUT
FM DETECTOR
TUNER
L802
R-CH
R-OUT 13
Q801
+3V
+3V
REG
Q802
+5V
+5V
REG
HCD-EC55/EC77/GX99
L-CH
R-CH
B
MAIN
SECTION
(Page 32)
VM9V
+9V
TU-ANSD
TU-DO
TU-CE
TU-DI
TU-CLK
• Signal Path
: TUNER(FM)
: TUNER(AM)