Zenith Y504B - Page 84

26YT20 CHASSIS LAYOUT
84
ITEM
NO.
PART
NO.
DESCRIPTION
ITEM
NO.
PART
NO.
DESCRIPTION
C23
22-2720
1 PF GIMMICK ±10%
500 V
R4
63-5652 390 OHMS ±10% 2 W
C24
22-3652
.1 MFD DISC
10 y
R5A
63-6361 LOUDNESS CONTROL (REAR)
C25
22-3034
.05 MFD DISC
25 V
R5B
LOUDNESS CONTROL (FRONT)
C26
R6A
63-6363
TREBLE CONTROL (REAR)
C27 22-2720
1 PF GIMMICK ±10%
500 V
R6B
TREBLE CONTROL (FRONT)
C28
22-3034
.05 MFD DISC
25 V
R7A
63-6362 BASS CONTROL (REAR)
C29
22-3034
.05 MFD DISC
25 V
R7B
BASS CONTROL (FRONT)
C30 22-3675
10 PF DISC ±5% 500 V
R8
63-5305
.51 OHMS ±5% 5 W
C31 22-3034
.05 MFD DISC
25 V
R9
63-6045
270 OHMS ±10% 1 W
C32
22-3034
.05 MFD DISC
25 V
R10
63-5656
470 OHMS ±10% 2 W
C33 22-2884
5 MFD ELECTROLYTIC
25 V
Rll
63-5305
.51 OHMS ±5% 5 W
C34
22-2720
1 PF GIMMICK ±10%
500 V
R12
63-5656
470 OHMS ±10% 2W
C35
22-3034
.05 MFD DISC
25 V R13
63-5305
.51 OHMS ±5% 5 W
C36
22-3
.01 MFD DISC
500 V
R14
63-6045
270 OHMS ±10% 1 W
C37 22-3034
.05 MFD DISC
25 V R15
63-5305
.51 OHMS ±5% 5 W
C38
22-3034
.05 MFD DISC
25 V
R16
63-5635
150 OHMS ±10% 2W
C39
22-3034
.05 MFD DISC
25 V
R17
63-6377
50 OHMS ±10% 3W
C40
22-2434
2 PF GIMMICK ±10%
500 V
R18
63-5663
680 OHMS ±10% 2 W
C41 22-3034
.05 MFD DISC
25 V
R19
63-1833 15 OHMS ±5%
C42 22-2729
.001 MFD DISC 25 V
C43
22-3177
390 PF DISC ±10%
500 V
L8
20-2033 R.F. CHOKE COIL
C44 22-3177
390 PF DISC ±10%
500 V
L9
C45 22-3448
10 MFD ELECTROLYTIC
15 V
L10
IN T2
2ND I.D. TRANSFORMER (FM) PRI
C46
22-9
100 PF DISC 10%
500 V
Lil
IN T2
2ND I.D. TRANSFORMER (FM) SEC.
C47A
ANTENNA TUNING
L12 IN T3
3RD I.F. TRANSFORMER (AM) PRJ.
C47B
ANTENNA TRIMMER
L13
IN T3
3RD I.F. TRANSFORMER (AM) SEC.
C47C
DETECTOR TUNING
L14
IN T4
4TH I.F. TRANSFORMER (FM) PRI.
C47D
22-4808
DETECTOR TRIMMER
L15
IN T4
4TH I.F. TRANSFORMER (FM) SEC.
C47F
OSCILLATOR TUNING
L16 IN T5
RATIO DETECTOR TRANSFORMER PRI.
C47E OSCILLATOR TRIMMER
L17
IN T5
RATIO DETECTOR TRANSFORMER SEC.
C48 22-2884
5 MFD ELECTROLYTIC
12 V
L18
IN T5
RATIO DETECTOR TRANSFORMER 3RD
C49 22-3034
.05 MFD DISC
25 V
L19
IN T6
2ND I.F. TRANSFORMER (AM) PRI.
C50 22-3944
.0047 MFD DISC
25 V
L20
IN T6
2ND I.F. TRANSFORMER (AM) SEC.
C51
22-3034
.05 MFD DISC
25 V
L21
IN T7
3RD I.F. TRANSFORMER (FM) PRI.
C52
22-3034
.05 MFD DISC
25 V
L22
IN T7
3RD I.F. TRANSFORMER (FM) SEC.
C53 22-3034
.05 MFD DISC
25 V
L23 S-64803
A.M. ANTENNA (CABINET)
C54 22-3034
.05 MFD DISC
25 V
L24
S-74470
ANTENNA COIL ASSEMBLY (AM)
C55 22-3527
.22 MFD DISC
12 V
L25
S-69165
DETECTOR COIL ASSEMBLY (AM)
C56
22-4665
.0043 MFD DUREZ ±10% 300 V
L26
S-72828
OSCILLATOR COIL ASSEMBLY (AM)
C57 22-3034
.05 MFD DISC
25 V
L27
IN T8
1ST. I.F. TRANSFORMER (AM) PRI.
C58 22-3034
.05 MFD DISC
25 V
L28
IN T8
1ST AM FM TRANSFORMER (AM) SEC.
C59
22-3034
.05 MFD DISC
25 V
C60
22-5018
.47 MFD MYLAR ±10% 50 V
Al
105-93 38 KC FILTER
C61 22-3034
.05 MFD DISC
25 V
A2
105-93
38 KC FILTER
C62
22-2884 5 MFD ELECTROLYTIC 12 V
C63
C64
Fl
136-40
2 AMP FUSE
C65 22-2884
5 MFD ELECTROLYTIC
12 V
PL1
100-384
STEREO INDICATOR LIGHT
C66
22-3010
.01 MFD DISC
25 V
PL2
100-249
STEREO LIGHT #1847
C67
PL3
100-249
PILOT LIGHT #1847
C68
22-3826
.022 MFD MYLAR ±10%
100 V
PL4
100-249
PILOT LIGHT #1847
C69
22-17
.001 MFD DISC
500 V
PL5
100-249
PILOT LIGHT #1847
C70 22-17
.001 MFD DISC
500 V
C71 22-3034
.05 MFD DISC
25 V
SI
85-923
FIVE POSITION BANDSWITCH
C72 22-3034
.05 MFD DISC 25 V
S2
85-891
A.C. SWITCH
C73
22-3588
.47 MFD DISC
12 V
S3
85-892
STEREO MONAURAL SWITCH
C74
22-3588
.47 MFD DISC
12 V
C75 22-5012
.15 MFD MYLAR ±10% 50 V
T2
95-2328
2ND I.F. TRANSFORMER (FM)
C76 22-5012
.15 MFD MYLAR
50 V
T3
95-2387
3RD I.F. TRANSFORMER (FM)
C77
22-3710
.22 MFD MYLAR ±10%
50 V
T4
95-2328
4TH I.F. TRANSFORMER (FM)
C78
22-3710
.22 MFD MYLAR ±10%
50 V
T5
95-2324
RATIO DETECTOR TRANSFORMER
C79 22-13
.0033 MFD DISC ±10%
500 V
T6
95-2326
2ND I.F. TRANSFORMER (AM)
C80 22-13
.0033 MFD DISC ±10% 500 V
T7
95-2327
3RD I.F. TRANSFORMER (AM)
C81
22-3595
.33 MFD DISC MYLAR ±10%
50 V
T8
95-2325
1ST AM I.F. TRANSFORMER
C82
22-3595
.33 MFD DISC MYLAR ±10%
50 V
T9
95-2316 TRAP COIL 67 KC
C83 22-3255
330 PF DISC ±10%
500 V
T10
95-2315
19 KC MULTIPLEX TRANSFORMER
C84 22-3255
330 PF DISC ±10%
500 V
Til
95-2313
19 KC DOUBLER TRANSFORMER
C85
224110
.033 MFD MYLAR ±10%
200 V
T12
95-2314
38 KC DETECTOR TRANSFORMER
C86
22-4110 .033 MFD MYLAR ±10%
200 V
T13
95-2330
DRIVER TRANSFORMER
C87
22-3595
.33 MFD MYLAR ±10% 50 V
T14
95-2330
DRIVER TRANSFORMER
C88
22-3595
.33 MFD MYLAR ±10%
50 V
T15
95-2335
POWER TRANSFORMER
C89 22-5018
.47 MFD MYLAR ±10% 50 V
C90
22-5018
.47 MFD MYLAR ±10%
50 V
XI
103-23 DIODE
C91
22-3630
.068 MFD MYLAR ±10%
50 V
X2
103-23 DIODE
C92
22-3630
.068 MFD MYLAR ±10%
50 V
X3
212-61
RECTIFIER
C93
22-2884
5 MFD ELECTROLYTIC 25 V
X4
212-61 RECTIFIER
C94
22-2884
5 MFD ELECTROLYTIC
25 V
X5
103-96 DIODE (ZENER
C95 22-3255
330 PF DISC ±10%
500 V
X6
103-23
DIODE
C96
22-3255
330 PF DISC ±10%
500 V
C47
22-4110
.033 MFD MYLAR ±10%
200 V
C98
22-4110
.033 MFD MYLAR ±10% 200 V
C99
22-4628
2x 100 MFD ELECTROLYTIC
15 V
C100 22-5011
500 ELECTROLYTIC
50 V
C101
22-5011
500 ELECTROLYTIC 50 V
Cl 02
C103A
300 ELECTROLYTIC
25 V
C103B 22-5162 500 ELECTROLYTIC
50 V
C103C 500 ELECTROLYTIC 25 V
Cl 04
22-3879
1000 MFD ELECTROLYTIC
50 V
Cl 05
22-4343
.047 MFD
200 V
Cl 06
Cl 07
22-5187
.0047 MFD DISC
1 KV
Cl 08
22-2655 .01 MFD DISC ±10% 1400 V
Cl 09
22-18
.0022 MFD DISC ±10% 500 V
C110
22-18
.0022 MFD DISC ±10%
500 V
cm 22-3826
.022 MFD DISC ±10%. 100 V
C112 22-3034
.05 MFD DISC
25 V
C113
22-3678
.047 MFD ±10%
100 V
C114 22-3678
.047 MFD ±10% 100 V
C115
C116
22-5167
1000 MFD ELECTROLYTIC 30 V
R1
63-6376
POTENTIOMETER
R2
R3
63-3238
POTENTIOMETER (MUTING) ’