Philips LC4.31E - Keyboard Control Board (26 & 32

Circuit Diagrams and PWB Layouts
EN 121LC4.31E AA 7.
Keyboard Control Board (26" & 32")
KEYBOARD CONTROL
ON / OFFCH+
CH- VOL+
VOL-
TO 1K02 OF SSB BD
RES
0R 0R
MENU
Diversity Resistor
RES
*****
12 3
12 3
A
B
C
D
E
A
B
C
D
E
1008 D1
1309 D2
1310 D2
1311 D3
1312 D3
1313 D3
1314 D2
1684 C1
3317 C1
3318 C2
3319 C2
3320 C3
3321 C3
3322 D3
3323 D3
3324 C2
3999 D1
6306 C1
F308 C1
F309 C1
F310 D1
F311 D1
I303 C2
I304 C2
I305 C2
I306 C3
I307 C3
I308 D3
I309 D3
I303
F311F310
3999
3324
1314
SKQNAB
I308 I309
33233322
BZX384-C4V7
6306
3317
I307I306I304 I305
F308
F309
1312
SKQNAB
1311
SKQNABSKQNAB
13101309
SKQNAB
1313
SKQNAB
3321332033193318
1
2
3
KEYBOARD
S3B-PH-K
1684
G_16210_034.eps
180106
3139 123 5974.1
E E
HERCULES OTHERS
BASED
*
3318
3319
3324
3320
150R
390R
560R
1K8
620R
1K1
2K0
200R
3321 820R 390R
Layout Keyboard Control Board (26" & 32") (Top Side)
Layout Keyboard Control Board (26" & 32") (Bottom Side)
G_16210_035.eps
180106
3139 123 5974.1
1309 A1 1310 A3 1311 A5 1312 A7 1313 A8 1314 A4 1684 A1
G_16210_036.eps
180106
3139 123 5974.1
3317 A7 3318 A7 3319 A7 3320 A4 3321 A3 3322 A4 3323 A3 3324 A6 3999 A2 6306 A8