Zenith D952X - Page 54

CHASSIS 35WDR50 - CHASSIS LAYOUT
52
TRAI\
SISTORS
No.
PART No.
DESCRIPTION
QI
121-826
F.M.-R.F
Q2
121-613
F.M. CONVERTER
QIOI
121-850
A.M.-R.F.
QI02
121-714
A.M. CONVERTER
Q20I
121-614
A.M-FM 1ST |.F
Q202
121-546
A M -FM. 2ND |.F
Q203
121-546
F.M. 3RD I.F.
Q204
121-639
TUN. METER CONT.
Q30I
121-639
COMP. AMPLIFIER
Q302
121-639
19 K hz AMPLIFIER
Q303
121-639
38 K hz AMPLIFIER
Q304
121-737
STEREO INDICATOR
Q305
121-858
BI-PLEX DETECTOR
Q40r
Q45I
121-433
PRE AMPLIFIER
Q402
Q452
121-430
AUDIO AMPLIFIER
Q403
Q453
121-877
PRE DRIVER
Q404
Q454
121-767
BIAS CONTROL
Q405
Q455
121-878
DRIVER
Q406
Q456
121-879
DRIVER
Q407
Q457
Q408
Q458
121-880
OUTPUT
TEST POINTS
A FM ANTENNA INPUT
D
1ST FM IF INPUT
E
2ND FM 1 F lh
PUT
F
3RD FM 1 F IF,
PUT
Fl
RATIO DETECTOR INPUT
G
3RD FM OUTPUT
H
FM DETECTOR OUTPUT
J
FM B+ ;
L
A.M RF a HF INPUT
M
67 KHZ REJECTION 8 MX PHASING
N
DOUBLER OUTPUT D.C. 8 38KHZ
P
MX PHASING ’
T
MX DISABLE-
H+
RATIO DETECTOR PRIMARY TUNING
AB
AC
AD
AE
AUDIO BIAS