Sony HCD-D790 - Schematic Diagrams - Tuner Section (East European, CIS model); Tuner Section Schematic (East European, CIS models)

HCD-D390/D790/G5500/XB33/XB44/XB50/XB60
— 29 —
— 30 —
– TUNER SECTION – (East European, CIS model)
22
MPX IN
21
OUT L
LPF 19
AMP
IN
L
AMP
OUT
L
17
4
5
3
6
ST-CE
COM-DIN
COM-CLK
COM-DATA
B
MAIN
SECTION
CE
DI
CL
DO
• R CH: Same as L ch
• SIGNAL PATH
: FM
: AM
D42 D43
13
FM LOW
SUB CARRIER
PEAK
L1701CT1701
TP1701
2
3
20
RV1701
SUB CARRIER
LEVEL
7
6
910
POLAR
DECODER
IC1701
IN
POUT
L OUT
R OUT
SUB IN
MON
VCO
ST IND
VCO
STOP
18 17
R CH
13
12
POLAR/PILOT
SWITCH
IC1702
14
9 11
LIN
L OUT
CA
R OUT
4
R CH
SWITCH
Q1701
SWITCH
Q1702
SWITCH
Q1703
D1704
D1703
D1701
D1702
ST-L
STEREO
TUNED
MUTE
TP1702
RV1702
VCO
(Page 32)
TM1
AM
ANTENNA
FM 75Ω
COAXIAL
ANT IN
ST +10V
Q5
VT
FE1
FM FRONT END
IF OUT
CF1
10.7MHz
IF AMP
Q1-4
CF3
10.7MHz
1 FM IN
REG
FM/AM MPX
IC41
1710
16
PLL
IC21
11
FM
TUNED
LEVEL
15
13
30 14
RV42
2
1214
7
8
10
X42
450kHz
D41
AM/FM
VCO STOP
IF BUFF
MUTE
AM
SD
AM
TUNED
LEVEL
12
RV41
2
AM IF
IFT41
4
9
AM IF
FM
DET
STEREO
TUNED
7
6
X41
10.7MHz
1 24
X21
4.5MHz
AM MIX
AM
SD
6
28
5
2
15
17
16
14
12
13
29
26 25 24 23 22 21
20
9
LW SW
Q9
27
FE2
MW/LW FRONTEND
Q11
MW
SW
Q12
MW
SW
Q14
LW SW
Q13
MW
SW
AM OSC
AM RF IN
FM
VT1
MW
MW
AM OSC
FM
VCO STOP
FM/AM IF
IF REQ
XIN
XOUT
3
A
MAIN
SECTION
(Page 31)
OUT R
RCH
20
ADJ
FM SD ADJ OSC.BUFF
FM AFC
26
23
FM DET OUT
24
AM
DET
OUT
70
69
72
68
67
65
66
POLA LIN
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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