Philips HSB2313 Service Manual page 11

Display Board -- Circuit Diagram
35-HSB2303-03A1
VFD301
NE-3280-1.GBY
VF2
VFD1
R346
VF1
C305
2.2 1/2
102
VFD2
R347
VF2 A+5V
2.2 1/2
C304 R316
102 47K
R338 R340
R339
4K7 22K
22K
1
SW1
2
SW2
3
SW3
4
R312
SW4
470
VFD_DATA
DS-DAT 5
DOUT
6
DIN
7
R315
IC
VFD_CLK 470 DS-CLK 8
CLK
VFD_STB DS-STB 9
STB
K1 KEY1 10
R314
KEY1
470
K2 KEY2 11
KEY2
K3 KEY3 12
KEY3
K4 KEY4 13
KEY4
5-1
VF1
D301
G1 S1 KS1
G2
4148
G3
G4
G5
D302
S2 KS2
4148
39 G6
G6
38 G7
G7
37 G8
G8
36 K1 R317
S20/G9
35 -27V K2 R318
S19/G10
34 -27V K3 R319
VEE
R320
33 K4
Vdd
32 S18
S18/G11
31 S17 A+5V
S17/G12
30 S16
S16
29 S15
S15
28 S14
S14
27 S13
S13
U301
PT6311
D304
4148
C302
104
MCU+5V
AD_KEY
SW304 SW305 SW307 SW309
PRESET- PRESET+ VOL- VOL+
SW308
SW303
MUSIC
GAME
SW306
R327
33K
MOVIC
1K
KK2 R328
1K
KK3 R329
1K 33K
KK4
1K 33K
33K
R330
L301
B VCC VFD1 VFD2
B301
200uH
220
R334
1 6 VFD1
Q301
965
2
220
C307
R332 R335
7 VFD2
473M
10K 3
D303
R342
9
R333 Q302
4
33
FR104
965
10K
5 10
R331
22K
CE303
47u/35
BZ1 S
R337
10 C303
104
5-1
IR
R348
IR301
47K
SW301 SW302
C301
SOURCE POWER
104
R311
1
R310 R349
47K 100 IR VCC
+
CE301
47u/16 S
R341
MCU+5V
10K
DZ301
6V2 1W
-27V
LED301
LED-B
DZ302
27V
CE307
CE306
220u/10V
10u/35
CN302
2.0/11P
-27V -3V
R350
4K7
DZ303
3V
CE310
4.7u/35 S
0
B VCC
JP301
0
G1
JP302
0
GND
JP303
IR VCC
0
GND
JP305
0
G2
JP306
0
G3
JP307
0
G4
JP308
0
G5
JP309
0
G6
JP310
0
G7
JP311
0
G8
JP312
0
A+5V
JP313
0
A+5V
JP314
0 ECO_POWER
JP315
0
KK4
JP317
0
A+5V
JP318
R336
0
-27V
2.2K JP319
0
ECO_POWER
JP320
0
S18
JP321
0
S11
JP322
IR_MIX