Read Sony CMT-EH10 / HCD-EH10 Service Manual online
HCD-EH10
15
15
HCD-EH10
7-2. BLOCK DIAGRAM – TUNER Section –
FM MIX
AMP
Q803
FM/AM TUNER,
FM/AM PLL
IC801
RDS DECODER
IC861
36 FMRF-IN
8 FMIF-IN
22 MPX-IN
1 AMRF-IN
31 AM-OSC
33
SI1
56
V1
55
V0
57
V2
39
AN3
SYSTEM CONTROLLER
IC701 (2/3)
+4V
REGULATOR
Q862
VM +9V
RDS +4V
X801
75kHz
20
19
XIN
XOUT
16
DI
17
CL
15
CE
18
DO
25
AGC
1
CNP802
ANTENNA
FM/AM
3
BAND-PASS
FILTER
BPF801
AM
TRACKING
L851
AM-RF
AM VT
VOLTAGE
L852
AM-LO
D851
CF801
7 AMIF-IN
L803
AM-IFT
34 FMRF-OUT
FM
TRACKING
L804
FM-RF
32 FM-OSC
FM VT
VOLTAGE
L805
FM-LO
VM +9V
11 FM-DET
FM
DETECTOR
L806
FM-DET
3
FM-MIX
30
BO2
29
BO1
23
FMDET-OUT
12
L-OUT
13
R-OUT
R-CH
TUNER
5
AM-MIX
24
AMDET-OUT
CF802
CF803
10 TEST
4
FIN
DET AMP
Q861
27
TIN2
2
D0
45
INT3
16
CL
X861
4.332MHz
14
13
XIN
XOUT
C
• SIGNAL PATH
: AM
• R-ch is omitted due to same as L-ch.
: FM
(AEP, East European, Russian, UK)
(AEP, East European, Russian, UK)
US, Canadian, Australian, Singapore,
Taiwan, Argentina, Korean
(Page 16)
Ver. 1.5
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