JVC PC-70L - Page 20

PC-70 L/LB/LD/LS
Standard Schematic Diagram of PC-7OL/LB tuner circuit
1 2 3 4 5
[FM RF] 2SA1177(E) cee
R322 Se 2SC535(B)
Qi AN Pca aumiaee 4 Q2
3
B 8
= Besse Sige Pa ae Fee ak pee AN
a |
_
<
Zz
Zz
ive)
a
q VOT7A2 1-102 VOT 7A11-
a
CF
qt
oO
R16 330
C
=e Een ae |
| POO? py
VC3 QATSOO1 ei Rae 100
| Sg ~003 |
|:
a
wo
wo
oO
D | i 1C1 AN7222N FM/AM IF AMP
ye
ate
|
= vaM7u01 — 301
| ae L7(MW)
: |
| C61
| 0.0033,
F
NOTE
S!i~ $5(QST3521-V0!)
3 LAST NO R51 ,C67
4 BLANK NO R13,35, 40, 41
C47,49, 50, 53, 48
(No. 1543) 20
VOT7F12-104M
11
203
V03059-013
CF2
SHIELD VYHS122- 001
R29 1.5k
5 RATING. OF RESISTORS IS 1/6W UNLESS OTHERWISE SPECIFIED.
@
Q3_ 2SAN177(E)
1/4W
RLS 150k
R26 15 1/4W
1C 2 AN74!ON FM MPX
C46 0.001y)
C46 0.001y
R37 33k
68 1y50V =
25C 923(U) y |
Ly, &
(6
LED ous
erst SWITCH
1 VOLTAGE VALUES ARE-MEASURED WITH NO SIGNAL USING ELECTRONIC VOLT METER
2 S2~5 (BAND SELECT SWITCH) 1S FM FCSITION
S1 (MONAURAL- STEREO SWITCH) 1S STEREO POSITION
M/S FM SW MW LW
biii2zti ie 2tte
rotons
BOTTOM VIEW OF THE SWITCHES
(@ IS SHOWTING SWITCH )
Blue line shows the signal at FM
~vftir—mm — R@d line shows the signal at AM
—+— +Bcircuit
Fig. 28
10