Sony MHC-D7 - Page 42

HCD-H881/H881D
@ WAVEFORMS - BD Section —
G) 1C101 @pin 1.4Vp-p
WOITIVINIT
ANI
DOH
CASEIN
@) 1C101 @pin 20mVp-p 2ms/DIV
© 1C103 @pin 5.1Vp-p 137usec
a
2) IC101 @pin 8mVp-p 0.2ms/DIV
(4) 1C103 @pin 2.4Vp-p 7.5yusec
Pe
© IC103 @pin 5.1Vp-p 232.7nsec
@ 1C103 @pin 5.1Vp-p 472.7nsec
(Q) 1C104 © pin 3Vp-p 16.9344MHz
" [
|
IC103 @pin 5.1Vp-p 23 usec
Note:
+ All capacitors are in y F unless otherwise noted. pF: y uw F
SOWV or less are not indicated except for electrolytics and
tantalums.
+ All resistors are in Q and Y%W or less unless otherwise
specified.
+ A: internal component.
. EE] : panel designation.
Note:
The components identi-
fied by mark
Note :
Les composants identifiés par
une marque sont critiques
pour la sécurité.
or dot-
ted line with mark
are critical for safety. Ne les remplacer que par une
Replace only with part piéce portant le numéro spéci-
number specified. fié.
. : B+ Line
. C_] : adjustment for repair.
+ Voltage and waveforms are dc with respect to ground under
no-signal ( detuned ) conditions.
+ Voltages are taken with a VOM ( Input impedance 10M Q ).
Voltage variations may be noted due to normal production
tolerances.
- Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
* Signal path.
c> :FM
= AM
+ Abbreviation
CND : Canadian
IT: Italian
G_ : German
EE : East European
IA: Indonesia
EA: Saudi Arabia
HK : Hong Kong
SP: Singapore
MY_ : Malaysia
AUS : Australian
JE: Tourist
AR: Argentine
E2 : Tuner sections SW
BAND do not exist.
E3 : Tuner sections SW
BAND exist.
MX: Mexican
TH: Thailand
TW : Taiwan
6-12. SCHEMATIC DIAGRAM — TCB SECTION —
1
TI
(US, CND, E2, AUS, AR, MX, TH MODEL) Refer to page 74 for IC Block Diag}
B ANTENNA
FM 6
Ly
aM
|
I
ss |
!
E I
1
: |
]
G |
1
H |
02
(US, CNB, EZ AUS, AR. MX) TH MODEL)
— ee ee Te Oo oe - On —— — eee oes
a4 0.039:US, CND MOSEL
{TCB BOARD] em fe Camp FM TUNING LEVEL 0.033:EXCEPT US, CND MODEL
FEL FM FRONT ENB a a2 @3 a4
ascabbsoy ascabesoy zsc2besor__asczsba0y Pa TT10, 4
zt ~——S ~
a “oO
ae | 7 :
fe 0.01 re
9: =k 3.
4, ps 4
2
° 3
s 8
@ al él
4 4 7 St
— he. " = re ee Se
iS 8 cat 8, chek op oie
2) =] als} z=] =] s/8
FEZ
RId
33
5)
S
S
7
C14 0.01
1
R22 R23 4.7k
Atk
R21
100 = c28
Sake?
Le 50¥
{ rs
= R27
al oA r
Q
as BNIREM 10. 4
Qe.
-— g<s B+ SWITCH i
es sl {1C1 v
21
NMS
ee
0
s/s
UNING
220 €27 0.1 = wn [CS PLL S/R) fe LEVEL
x
t
10.4
C69,
0.01
ciel
2°
1 4 IMT TS
C61, 0.1 R[F Je
1 45
z BAI io.
5 + + #- : \
218 Ue] 19-
g cé8
0.01
70>
ci
4
0.017
oor
R37 1k
£29 T
33p
ei] i]
mAVATAR at ae ae ee ew ms
4.8Vp-p
RB)
RTP]
S
INST48
4. SMHz B
4
10.4
| | > Me +
[| R52
I 10k
cNt
(3p
|
S161
I
}
=
am na pc ay s peel
MatZzuw>Q00/1 007 uW Q
acd Fe ee a se od SE =.
Kae od, esc, RS dee ,
AG Ae SD
ef oe ee i zt
2 ae n wn
oOoOU0
Ne ae J
MAIN BOAR®
(72)
CN250
(Page 38)