Sony HCD-D170 - Page 26

HCD-D170/G1100
5-9. SCHEMATIC DIAGRAM — DECK SECTION —
«See page 32 for Printed Wiring Board. (MAIN BOARD)
1 2 3 A 5 6 7 8
[MAIN BOARD (2/2)] er - - - -
A
,
|
|
:
ot
wr»
>
Bs
R381
470
a
7
EQOUT-R
HPSOt
e
PB
LEVEL
B.
OUT
[nl op ale a a Le ,
1 WT B78 sov Tesov Zax oe
iP ee E Lp as Es om ss | & . PROCESS
aaa =| (Pe and : s s wel 3
Q © 3 (ro oN S
0
eae
b=
amare:
4
=
:
S
;
se
8
r—» & [VY tA od ae ale g «| =
B
|
8S
Me
:
sas
)
a Qo Ys
PB AMP R 8s
| , , (A BECK) a) maw
Q301, 401
4| C391 I
220
HRPSO1 10302) Tey
C | RECORD/PLAYBACK CN302 [C302 Stall
HEAD
Efns
PB
AMP
elles
rE
(BECK
B)
Wit
(B
BECK)
|
3
L
3
:
5 ry eo - = : B
S|
en
lS
pa
ara:
=e
g
SS
wy, y b ‘ =
Pei
gl
igh
f
Ps
>
I pd ee bod =
oo cae eee |e os =
Ss foal
of | ees a ne BLE =
;
i
as
I [B=] 8384 470 | og 7 ‘ ee
L301
270H
-5,5
x
I I v8 R331_ 12k — pane 2 I
=
J
NO
PA et pea 333 4812 ne: sve eS a lie | é 8 gs
mJ
wm
C431 2 =
ET Se ee: ov.” [FCBOA et 81 Ta, |al||
. sovepTREC/PB er 8 g||| =
I
|
L401
274H
SWITCH
a
21]
|
xx
I
U7 aaa ee eee 2
See = ee
I
i
ener
eeEe
ier
|
Ses
B=]
SWITCH
-
crag
10k
28
1N4148M
ona
.
ee rH |
F c329 —,
HEC BIAS) asst. zs2 9) or Pe Da a OL
ay pe Jase sag roe || | | = Ge as
R sees : +7.5V
Adis Ae eS
| bts ym
HESO!
I
CNEOS
|
-7.5V
I
ERASE (BECK B) HEAD EH-s /
G
WHT
7
bd
ba
iad
a
|
ee) ae
X § GH i 3 Q| Q353, 354 EE BT]
I
e
pe
=.
BIAS
ON/OFF
3
+7.5V
:
iggy 2 B18 SWITCH Wey app
10,8V/2 nes : : :
ee
on
BS
fs
0451
B=)
REC ON/OFF
7.7 SWITCH 7
H]
|
a
ee
5
|
wae
Mg01 CNB04 AN 2 I
A/B.MOTOR EARTH (-))? Pirs ApS, | PARLOR? =
PN
rr
Or
id
47.59
(cerad
(Raa!
ar)
molly
“idleas
ae
>
eee
p=
gaap
90
HES2
TeV
8386
9387
bea
ee ee ee ae epee Ge ae ee ae ea Se, eee eT,
2) } . “7.8 K| &
aoe iF8Sy 2 ese mathe eee aaa ee eee
6P 5.8 sF 3
.
LEAF.SW
(BECK
A)
aL
Ae
oan
“a,
T)
es
2
2
~
O ; aa
woror Wo SWITCH Ly ae emis
Pe eens 6.2 ey
ea
Wr
ee
ee
a
sii
peer
pile
0 @ @ RM ON/OFF
ann © et ———fe-] BIAS ON/OFF.
: ae) ab eee )-( eee = B =
J POWER ON/OFF
A STOP/PLAY,
I anne
LEAF.SW (DECK B) Q381, 382 ecg tests
wooo : fe] e+ B+ SWITCH Bes iOr cree
BSS > Eee
Q WG) G
$5 ; ps eee P|
PLAY EES |: Gee |
1.3%
;
ae
ewe
Ayala
K ae, i aril: »< Saeeme eae» Veen
eo 5 WO 0
: el) ee
REC eee eee Paes
iJ i]
og
At+7.5V (UNSW)
REC-R
PB-R
A.GND
PB-L
REC-L
A-7.SV (UNSW)
MTR+7.5V (UNSW)
MTR-7.SV (UNSW)
O+5.6V
®.GNQ |
RELAY-REC/PB
LM-ON/OFF
PASS/BOL
REC/PB
SOLBY-ON/O
RM-ON/OFF
BIAS-ON/OFF
|
OSS SSOCOCOSE
7 a
A/B
POWER~-ON/OF
A-STOP/PLAY
B~STOP/PLAY
B-STOP/REC
18
19
(Page 35 )
MAIN
SECTION
20 21 22 23
IC304 #PC1330HA
> COMPARATOR
—D.—D—O—O—D—_O—M—O—©
1C303 HA12195NT 7
oe : 5 . ¢e 8 2
Bee Gee ee RR a a ee ee
G2-61)-—~-49)-E9—89-—S7)- 9 E38} 1)-—-G) 29-0072 AINE IEIILI
[BIAS SW
@) @)
REC/PB
BIAS ON/OFF
NR ON/OFF
NOR/HI
B120/70 A120/70
RM ON/OFF
24 25 26 27
NOTE
*All capacitors are in “F unless otherwise noted. pF: Mur
SOW or less are not indicated except for electrolytics
and tantalums,
eAll resistors are in Q and {/4W or less unless otherwise
specified,
: —fwi-— :nonflammable resistor,
Note: |
Les composants identifids par
une marque AX sont critiques
pour {a sécurité,
Ne les remplacer que par une
piéce portant le numéro spéci-
fié,
Note:
The components identi-
fied by mark ANor dot-
ted line with mark AN
are critical for safety,
Replace only with part
number specified,
Bt Line,
* [B=] :B Line.
© [] sadjustment for repair,
* Voltages and waveforms are dc with respect to ground
under no-signal conditions,
no mark: PB
(Soe aoa
e Voltages are taken with a VOM(]nput impedance 10MQ).
Voltage variations may be noted due to normal produc-
tion tolerances,
* Signal path,
>> PBC PECK A)
[> :PB( BECK B)
[>> :REC ( BECK B)
— 42 —