Schematic Diagram - Tuner Section - Sony HCD-D170 Service Manual

5-10. SCHEMATIC DIAGRAM — TUNER SECTION —
1 2 3 4 5 6 T 8
[TCB BOARD] ofa
A FM IF AMP .
FEL FM FRONT END Ql a2 a3 Q4
28026690 2sc2éagcy 28C24690Y 2sc2eagny
Tm!
B ANTENNA
a
FM 750
7
=
AM
C
Ct4 0.01
cé9 9.01
D C61 0.1
3 -
i ae o "
= N a4
F
G
H
03
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Mta2zwW>QoOoOi JG tu G
are OOWU | Zire az
Oxo 17205 Ore D ros)
| x ik = 'a — a is 2 < nes
Oz OQ nN fg)
Qo 3 Qo
|,
on
"WO Q Nan) rae) CN C7
~———
Ox Z>
Nw
Uz
o
ww Q
>
Ec] re)
c7t 0.01
11
8 A
12 13 14
NOTE
e All capacitors are in pF unless otherwise noted. pF: pur
SOW or less are not indicated except for electrolytics
and tantalums,
* All resistors are in Q and |/4W or less unless otherwise
specified.
'internal component,
« [J 'panel designation,
Note: Note:
| The components identi-| Les composants identifids par
fied by mark AN or dot-| une marque A\ sont critiques
ted line with mark AX | pour to sacurite,
are critical for safety.| Ne .es remplacer que par une
Replace only with part | piéce portant te numéro spéci~
number specified, fie,
. 'Bt Line,
« [J sadjustment for repair,
* Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions,
no mark: FM
( oo): AM
k ican not be measured,
¢ Voltages are taken with o VOM (Input impedance 10MQ).
Voltage variations may be noted due to normal produc-
tion tolerances,
e Waveforms are taken with a oscilloscope,
Voltage variations may be noted due to normal produc-
tion tolerances,
eSignal path.
"FM
=> AM
— 44 —~
¢ IC Block Diagrams
IC1 LC72130
XOUT -VSS_——s AQUT2.—s AN PD2 Pot AIN) AOQUT1. ~—s VOD FMIN AMIN 102
ne COUNTER '
1/16, 1/17 ttl |
12bits el
DRI
STE
DATA Ca. ed REGISTER
ree
REFERENCE
DIVIDER
es) fe
XIN 805 CE B01 802 B03 B04 101 LFIN
¢ Semiconductor
Location
HCD-D170/G1100
5-11. PRINTED WIRING BOARD — TUNER SECTION —
¢ See page 15 for Circuit Boards Location.
2 AE A ESE EE SN BI
FM 750
ze:
ria | TMI
Eo
MAIN BOARD
CN250
(Page 34 )
Note:
* o—— : parts extracted from the component side.
. A: internal component.
'=|: Pattern from the side which enable seeing.