Kenwood KT 3300 Schematic

Page 2

NOTE: Modification points are marked on the schematic diagram with black screen.
Only KB4409 is applicable from Serial No; 510001.

A u c e e 1 WWW w
The primary circuit of the power transformer is modified
according to the destination as follows:

- - . . _ - I r $3 T type
TUNER (x05 1360 13) D TOUT :22: Is: , ,. r FOWER SW
1 a - - - _ _ - - V|O 240V
1 RE ["3 9054 1-5K 'é I:
.1 '- ' "W\: '
c: g 0937 g 1' >R03512K
FM 8 h x an x .0033 . + n 0939 .0033 j Ac24ov
" . a (3.". 3 m ' W" 50/60Hz
(I; x111 $8 0927 (:01 us: 096
"'3 2345678 -.~--011 Rg33Rg34
GND '- 1091 ° -32 .._..__ 10K 14" WI-IT 0v F1
1615141312 1110 9 J g; \ .5A
11 6V 03%
AM 0
6.3V
,2 .0 4a ' Posvfm SW w m
- os..:.-...:-::'_.-~.;L....L.-5 .u y
q 0 RED 120V
2 :- El (Qlor (R) C 1 t.
V , ° .
g, L, g 0113 .280828(Q)0r(R) _ 02 .01
.4 . er ,_
5;; 151 820K 0111 .1820760r181555 0v 2,15 Q; Nov/220V
5 1 50v 0 8L 20" U'U " 50/60Hz
S g. i 22 9+ 0 o 0 o , 5 GRN 8
/ c 1 T
g 93 35v . . . .'-°" 0 :3) Lch OUTPUT $1
'1 x :4 m 31 m i 0 TV FM
4 'l '- ..'. c L
2 H Y '10 P 1. 14 Rch OUT 0"" AM YEL 0V F1 1A1AC12OVI
5 :i 2? {in T 3 as; ' 3) RC .SAIAC 220V)
1- 'I 0 I»
Z :1 3. l
4 ,. a a: 166NO
u 0
(E N 01 560Pl
3 q . . . V g I , . $3
(I) 0954 . 10.2v 8
. POWER SW M,X type
, , w 1 l l a]: 31 l $2 091 .28K55(D)or(E) swam L __
+ R 40> . I : :1-
. 698K .0 i 1% R941 100 2 . oga .280535(B) or
5 t 19KHz ADJ ' C2 0'
Lg 3 8 a; 5 I : .280381(0) ' YE 0V g a. ggggggeov/
fl 8 5 '0! 8 ' i __i : 093 256134 2(A)°'( 3) RED "7" W .6" :0: sozsongv
. V1.0 i . U
c%51.6 0 gm . 094 .230945(Q)
' 1 2 3 4 5 6 7 ' o '28A640(F) : :
; 5 6.
VR92 14131211291: 9 8 Q)? 3 .52 I 007, '23C1384(Q) WlfOV . F1 IAIAC1IO~120VI
20x C 6 __ 10.51, E N o 9 - .541AC220~240VI
I ' + '3- ' 62 K 5 3§§§ ,N OZgI :EOA01-123
. U V o 3 fl -\-, . 3'f'1,\..'.;::jifffff'ff.::\.1:."I
09 . Sign?" 13 4 ' Iqu.KB4409
8 | TM 19 2 23 22 13 5
9 6 | l ' . l- 5 i E g 3%: $46 IOgazI-IA1151
- -_" 1- ..J ' .
I | 1.318% 5%.; L__i C964 .027 0 g EL; (-13 3 I 001,2.V068
1-* - + V '
13946.0,33 Sé 2-; g | 093,4.13155501'182076
3 0,; ,gm S 3
# RED POWER SW
L 3 4 17
5m 2m 2
5 § T.S METER
D1 LEO I A0120
GD- 4-203C BLK 100mA V
STEREO ff 50/60Hz
-:>- m BYPASS AGC OUT 3 METER 0
10mA '_
IN BYPASS LOOP FILTER 0.;
. f0
3 METER PILOT OUT LOOP FILTER RF OUT REO 13.3w -
FM auto on AM FM mono OUfO MUTE lN MUTE OUT L ch OUT PD INPUT MIX OUT DET OUT v
mul off muf on _ . . BLU
0J0 0i AUDIO OUT Rch OUT l9KHz MONITOR 7;
AFC OUT REF BIAS I .
S 1 32 SW TCH FILTER
AM mono off 'F OUT QUAD 'N SWITCH FILTER R1
6 S1 32 S3 4 BLU WHT F1 1A 2.2M
K84402 TOP VIEw K84409 TOP VIEW HA1151 EON??- TOOmA O KT 3300 (K)
DIAL "