Zenith Y504B - Page 78

ITEM
NO.
PART
NO.
DESCRIPTION
ITEM
NO
PART
NO.
DESCRIPTION I
Cl
22-3177
390 PF DISC ± 10%
500 V
R12A
63-6854
DUAL LOUDNESS CONTROL
C2
22-4613
.001 F.T.
500 V
R12B
63-6854
iw ;
C3
22-5321
36 PF DISC +5%
500 V
R13
63-6049
330 OHMS ±10%
C4
22-4613
.001 F.T. ±20%
500 V
R14
63-6049
330 OHMS ±10%
1 W I
C5
22-3550
3.3 PF GIMMICK ±10%
500 V
R15
63-6063
680 OHMS ±10%
1 W J
C6
C7
22-4613
22-5037
.001 F.T.
.005 MFD DISC +20%
500 V
25 V
T1 95-2236
1ST I.F. TRANSFORMER F.M. 10.7 MC
C8
22-2428
1.8 PF GIMMICK +10%
500 V
T2
95-2437
2ND I.F. TRANSFORMER F.M. 10.7 MC
il
C9
CIO
Cll
C12
C13
C14
22-3621
22-5130
22 PF DISC +5%
500 V
T3
95-2438
3RD I.F. TRANSFORMER F.M. 10.7 MC
8 PF DISC ±5%
500 V
T4
T5
95-2324
95-2316
RATIO DETECTOR TRANSFORMER 10.7 MC
TRAP COIL 67KC
22-4613
22-4613
001 F.T.
500 V
T6
95-2234
2ND I.F. TRANSFORMER A.M. 455KC
.001 F.T.
500 V
T7
95-2436
3RD I.F. TRANSFORMER A.M. 455 KC
22-3034
.05 MFD DISC ±20%
25 V
T8
95-2233
1ST I.F. TRANSFORMER A.M. 455 KC
C15
C16
C17
22-4523
22-3034
22-3034
1.1 PF GIMMICK ±10%
.05 MFD DISC ±20%
.05 MFD DISC ±20%
500 V
25 V
25 V
T9
T10
Til
95-2439
95-2313
95-2315
38 KC TRANSFORMER
DOUBLER MIXER TRANSFORMER
INPUT MIXER TRANSFORMER 19 KC
l|
C18
C19
C20
22-3034
22-3034
22-5037
.05 MFD DISC ±20%
.05 MFD DISC ±20%
.005 DISC ±20%
25 V
25 V
25 V
T12
T13
T14
95-2432
95-2430
95-2430
POWER TRANSFORMER
DRIVER TRANSFORMER
DRIVER TRANSFORMER
C21
C22
C23
C24
C25
22-4523
22-3675
22-3400
22-3034
1.1 PF GIMMICK ±10%
10 PF DISC ±10%
3.9 PF GIMMICK
.05 MFD DISC ±20%
500 V
500 V
500 V
25 V
LI
L2
L3
L4
S-71997
S-68976
20-1256
S-62887
FM ANTENNA COIL ASSEMBLY
FM DETECTOR COIL ASSEMBLY
TRAP COIL
FM OSCILLATOR COIL ASSEMBLY
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
22-2428
22-3034
22-3034
22-14
22-2884
22-13
22-14
22-5037
22-2729
22-3177
22-3177
1.8 PF GIMMICK ±10%
.05 MFD DISC ±20%
.05 MFD DISC ±20%
.0047 MFD DISC ±10%
5 MFD ELECTROLYTIC
.0033MFD DISC ±10%
.0047 MFD DISC ±10%
.005 DISC ±20%
.001 DISC ±20%
390 PF DISC ±10%
390 PF DISC +10%
500 V
25 V
25 V
500 V
12 V
500 V
500 V
25 V
25 V
500 V
500 V
L5
L6
L7
L8
L9
LIO
Lil
L12
L13
L14
L15
IN T1
INTI
IN T2
IN T2
IN T3
IN T3
IN T4
IN T4
IN T5
IN T6
IN T7
1ST I.F. PRI. 10.7 MC
1ST I.F. SEC. 10.7 MC
2ND I.F. PRI. 107 MC
2ND I.F. SEC. 10.7 MC
3RD I.F. PRI. 10.7 MC
3RD I.F. SEC. 107 MC
RATIO DET. PRI. 107 MC
RATIO DET. SEC. 10.7 MC
TRAP COIL MIXER
2ND I.F. A.M. 455 KC
3RD I.F. A.M. 455 KC
|.
C37
C38
22-3448
22-5018
10 MFD ELECTROLYTIC
.47 MFD +10% MYLAR
15 V
50 V
L16
L17
20-1422
S-73253
FM COIL
AM ANTENNA ASSEMBLY
C39A
C39B
22-4674
22-4674
TWO SECTIONS VARIABLE CAPACITOR
TWO SECTIONS VARIABLE CAPACITOR
L18
L19
149-333
S-66580
IRON CORE SLEEVE
AM OSCILLATOR COIL ASSEMBLY
I
C39C
C39D
C40
C41
C42
C43
22-4674
22-4674
22-3033
22-5188
22-3010
22-3034
TWOSECTIONS VARIABLE CAPACITOR
TWO SECTIONS VARIABLE CAPACITOR
.02 MFD ±20% 25 V
.1 MFD ±10% MYLAR 50 V
.01 MFD DISC ±20% 25 V
.05 DISC ±20% 25 V
L20
L21
L22
L23
L24
L25
IN T8
IN T8
IN T9
IN T10
IN Til
149-333
1ST AM I.F. PRI. 455KC
1ST AM I.F. SEC. 455 KC
38KC TRANSFORMER
DOUBLER MIXER TRANSFORMER
INPUT MIXER TRANSFORMER
IRON CORE SLEEVE
*1
5
1
C44
C45
C46
C47
22-3034
22-2884
22-3034
22-3034
.05 DISC ±20%
5 MFD ELECTROLYTIC
.05 MFD DISC ±20%
.05 MFD DISC ±20%
25 V
12 V
25 V
25 V
PL1
PL2
PL3
100-334
100-249
100-249
STEREO IND. BULB
PILOT LIGHT #1847
PILOT LIGHT #1847
1
C48
C49
22-3034
22-3645
.05 MFD DISC ±20%
1000 PF MICA CAP ±10%
25 V
100 V
SI
S2A
S2B
85-919
5 POSITION BAND SWITCH
1
C50
85-892
STEREO MONAURAL SWITCH
If
C51
22-2884
5 MFD ELECTROLYTIC
12 V
1
C52
C53
22-13
.0033 MFD DISC ±10%
500 V
Al 105-78
R/C NETWORK
1
C54
C55
C56
C57
22-2884
22-3
22-3
5 MFD ELECTROLYTIC
.01 MFD DISC
.01 MFD DISC
12 V
500 V
500 V
XI
X2
X3
103-47
103-23
103-74
SILICON DIODE
DIODE
CRYSTAL DIODE
1
’ C58
22-5167
1000 MFD ELECTROLYTIC
30 V
X4
103-23
DIODE
i
C59A
22-4620
500 MFD ELECTROLYTIC
25 V
X5
103-23
DIODE
C59B
C6O
C61
C62
C63
22-4620
200 MFD ELECTROLYTIC
25 V
X6
X7
103-23
103-23
DIODE
DIODE
X8
212-71
SILICON RECTIFIER
22-3034
22-3034
.05 MFD DISC
.05 MFD DISC
25 V
25 V
X9
X10
212-71
103-96
SILICON RECTIFIER
ZENER DIODE
C64
22-3973
100 MFD ELECTROLYTIC
25 V
C65
22-5487
.47 MFD DISC
3 V
C66
22-5487
.47 MFD DISC
3 V
C67
22-2884
5 MFD ELECTROLYTIC
12 V
C68
22-2884
5 MFD ELECTROLYTIC
12 V
C69
22-18
.0022 MFD DISC
500 V
C70
22-18
.0022 MFD DISC
500 V
C71
C72
22-3710
.22 MFD DISC ±10%
50 V
C73
22-3710
.22 MFD DISC ±10%
50 V
C74
22-5182
.033 MFD DISC
50 V
C75
22-5182
.033 MFD DISC
50 V
C76
22-2884
5 MFD ELECTROLYTIC
12 V
C77
C78
C79
22-2884
5 MFD ELECTROLYTIC
12 V
22-3014
820 PF MICA
500 V
C80
22-3014
820 PF MICA
500 V
C81
50 V
C82
22-3630
.068 MFD MYLAR
C83
22-3630
.068 MFD MYLAR
50 V
C84
22-2704
.0068 MFD DISC
500 V
C85
22-2704
.0068 MFD DISC
500 V
C86
22-5175
200 MFD ELECTROLYTIC
25 V
C87
22-5175
200 MFD ELECTROLYTIC
25 V
R1 63-4143
100 OHMS ±10%
1/4 W
R2
63-4199
2.2K OHMS ±10%
1/4 W
R3
63-4196
1.8K OHMS ±10%
1/4 W
R4
63-4231
12 OHMS ±10%
1/4 W
R5
R6
R7
63-4297
470K OHMS ±10%
1/4 W
63-6495
POTENTIOMETER
R8
63-3238
POTENTIOMETER 50K
R9
63-5614
47 OHMS ±10%
2 W
R10A
63-6855
DUAL BASS CONTROL
R.10B
63-6855
RllA
63-6853
DUAL TREBLE CONTROL
R11B,
63-6853
18YT20 & I8YT20Z CHASSIS LAYOUT
78