Philips MCD139 - Key & VFD Board Circuit Diagram

5-3 5-3
CIRCUIT DIAGRAM - KEY & VFD BOARD
C203 A1
C205 A1
C206 A1
C207 A1
C209 A1
C210 A1
C211 A1
C212 A1
C213 A1
D200 A1
D201 A1
Q200 A1
Q201 A1
Q202 A1
Q203 A1
Q204 A1
Q208 A1
R200 A1
R201 A1
R202 A1
R203 A1
R204 A1
R205 A1
R206 A1
R208 A1
R209 A1
R210 A1
R211 A1
R212 A1
R213 A1
R214 A1
R215 A1
R222 A1
R237 A1
R238 A1
XL200 A1
IC200 A2
R216 A2
R217 A2
R218 A2
R219 A2
R220 A2
R221 A2
R223 A2
R224 A2
R225 A2
TA213 A2
C200 B1
C201 B1
C202 B1
C204 B1
C214 B1
C215 B1
C217 B1
C218 B1
C219 B1
C220 B1
C221 B1
C227 B1
FB200 B1
FB201 B1
FB202 B1
LD200 B1
Q206 B1
R207 B1
R226 B1
R227 B1
R230 B1
R239 B1
R240 B1
RB200 B1
SN200 B1
ZD200 B1
C229 B2
C230 B2
DP200 B2
L200 B2
C225 B3
C226 B3
C231 B3
C237 B3
C238 B3
Q209 B3
R244 B3
R248 B3
R249 B3
R250 B3
T200 B3
C208 C1
C222 C1
CN200 C1
D202 C1
D203 C1
D204 C1
D205 C1
R231 C1
R232 C1
R233 C1
R234 C1
R235 C1
R236 C1
R241 C1
R242 C1
RB201 C1
TA200 C1
TA201 C1
TA202 C1
TA203 C1
TA204 C1
TA205 C1
TA206 C1
TA207 C1
TA208 C1
TA209 C1
TA210 C1
TA2 11 C1
TA212 C1
ZD201 C1
ZD202 C1
C223 C2
C224 C2
IC201 C2
C216 C3
C232 C3
C233 C3
C234 C3
C235 C3
C236 C3
C239 C3
C240 C3
D206 C3
FB203 C3
FB204 C3
L201 C3
Q205 C3
Q207 C3
Q210 C3
R228 C3
R229 C3
R243 C3
R245 C3
R246 C3
R247 C3
R251 C3
R252 C3
R253 C3
T201 C3
ZD203 C3
DI
DI
SPL
SPL
AY
AY
1 2 3 4 5
30
30
31
31
6 7 8 9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
MCD-
CD-
129
129
DP200
DP200
VFD_
VFD_
36P
36P
C208
C208
104
104
ZD
ZD
202
202
5V
5V
6
ZD
ZD
201
201
5V
5V
6
C204
204
100P
100P
R 239
239
47
1 2 3
SN 200
200
SENSOR
SENSOR
FB
FB
202
202
100
100
FB
FB
201
201
100
100
FB
FB
200
200
100
100
R 232
232
33
33
R 233
233
33
33
C218
C218
104
104
C221
C221
104
104
C222
222
104
104
C224
224
104
104
ZD
ZD
200
200
5V
5V
1
R 230
230
22
22
DA
DA
CK
CK
CE
CE
C200
C200
15P
15P
C201
C201
15P
15P
C202
C202
15P
15P
C229
229
103
103
C230
230
103
103
C223
223
104
104
P1
P1
P2
P2
P3
P3
P4
P4
P5
P5
P6
P6
P7
P7
P8
P8
P9
P9
P1
P1
0
P1
P1
1
P1
P1
2
P1
P1
3
P1
P1
4
P1
P1
5
P1
P1
6
G1
G1
G2
G2
G3
G3
G4
G4
G5
G5
G6
G6
G7
G7
G8
G8
G9
G9
G1
G1
0
G1
G1
1
AC
AC
1
AC
AC
2
-27V
27V
LD200
LD200
EC
EC
O LED
R 226
226
330
330
5V
5V
IN
IN
5V
5V
IN
IN
IR
IR
D202
202
1N
1N
4148
4148
D203
203
1N
1N
4148
4148
D204
204
1N
1N
4148
4148
D205
205
1N
1N
4148
4148
1
2
3
4
5
6
RB201
RB201
RB6
RB6
/2
/2
0
TA 201
201
TA 203
203
TA 204
204
TA 205
205
TA
TA
200
200
TA 202
202
K3
K3
_1
_1
K4
K4
_1
_1
KS4
KS4
_1
_1
KS2
KS2
_1
_1
KS3
KS3
_1
_1
DS
DS
C
DB
DB
B
MODE
MODE
PROGRAM
PROGRAM
1
2
3
4
5
6
CN200
CN200
CN6/
6/
20
20
R 227
227
4.7K
4.7K
R 264
264
OPEN
OPEN
K1
K2
K3
K4
KS1
KS1
KS2
KS2
KS3
KS3
KS4
KS4
C219
C219
104
104
C220
C220
104
104
TA
TA
206
206
VOL
VOL
-
TA
TA
207
207
VOL
VOL
+
TA
TA
208
208
PL AY/P
AY/P
UAS
UAS
E
TA
TA
209
209
ST OP
OP
TA
TA
213
213
STAB
STAB
AY
AY
TA
TA
210
210
NE
NE
XT
TA
TA
211
211
SOURCE
OURCE
TA
TA
212
212
PR EV
EV
C217
C217
100U/16V
100U/16V
C215
215
100U
100U
/16V
16V
C214
C214
100U/16V
100U/16V
C227
C227
475
475
L200
L200
100
100
R 240
240
56K
56K
5V IN
IN
5V IN
IN
5V
5V
IN
IN
5V IN
IN
5V IN
IN
5V IN
VC
VC
E
VC
VC
K
R242
R242
10K
10K
R236
R236
10K
10K
R235
R235
10K
10K
R234
R234
10K
10K
2
1
3
6
5
4
T200
200
IF
IF
T_6P
_6P
2
1
3
6
5
4
T201
201
IF
IF
T_6P
_6P
R 249
249
0.
0.
22
22
R 253
253
1
C240
240
M153
153
C237
237
M562
562
L201
L201
5m
5m
H
5V
5V
IN
IN
AC
AC
1
AC
AC
2
C226
226
104
104
C225
225
104
104
R 248
248
2.
2.
2k
2k
R 250
250
100K
100K
R 251
251
100K
100K
C235
235
223
223
R 252
252
2.
2.
2K
2K
C239
239
M123
123
C238
238
M123
123
C231
231
MC332
MC332
C232
232
MC332
MC332
C236
C236
220U/
220U/
10V
Q209
209
TI
TI
P41C
41C
Q210
210
2SD
2SD
882
882
D206
206
1N
1N
4148
4148
FB
FB
203
203
100M
100M
HZ
HZ
FB
FB
204
204
100M
100M
HZ
HZ
100KHz
100KHz
50KHz
50KHz
(P OW ER ON & ST
ST
B : H; EC
EC
O : L)
L)
Q206
206
A733
733
EC
EC
O-
O-
ESS - POWER
ESS - POWER
PO WE R
R 244
244
100
100
Q205
205
2S
2S
C945
945
R 246
246
10K
10K
Q207
207
A733
733
R 228
228
4.7K
4.7K
R 247
247
10K
10K
EC O-
O-
PO
PO
WE
WE
R
R 245
245
10K
10K
R 229
229
4.7K
4.7K
C216
216
100U/16V
16V
ZD
ZD
204
204
OP
OP
EN
S1
1
S2
2
S3
3
S4
4
DOUT
DOUT
5
DI
DI
N
6
NC
NC
7
CL
CL
K
8
ST B
9
K1
K1
10
10
K2
K2
11
11
K3
K3
12
12
K4
K4
13
13
CD
CD
D
14
SG
SG
1/KS
KS
1
15
SG
SG
2/KS
KS
2
16
SG
SG
3/KS
KS
3
17
SG
SG
4/KS
KS
4
18
SG
SG
5/KS
KS
5
19
SG
SG
6/KS
KS
6
20
SG
SG
7/KS
KS
7
21
SG
SG
8/KS
KS
8
22
SG
SG
9/KS
KS
9
23
SG
SG
10/
10/
KS 10
10
24
SG
SG
11
25
SG
SG
12
26
OS
OS
C
52
GN
GN
D
51
LED
LED
1
50
LED
LED
2
49
LED
LED
3
48
LED
LED
4
47
LED
LED
5
46
VDD
VDD
45
GR
GR
1
44
GR
GR
2
43
GR
GR
3
42
GR
GR
4
41
GR
GR
5
40
GR
GR
6
39
39
GR
GR
7
38
38
GR
GR
8
37
37
SG
SG
20/
20/
GR
GR
9
36
36
SG
SG
19/
19/
GR
GR
10
10
35
35
VE
VE
E
34
34
VC
VC
C
33
33
SG
SG
18/
18/
GR
GR
11
11
32
32
SG
SG
17/
17/
GR
GR
12
12
31
31
SG
SG
16/
16/
GR
GR
13
13
30
30
SG
SG
15/
15/
GR
GR
14
14
29
29
SG 14
14
28
28
SG 13
13
27
27
IC
IC
201
201
PT6311
PT6311
5V
5V
IN
IN
R 241
241
10K
10K
5V
5V
IN
VD
VD
A
R 231
231
33
33
T0CK
T0CK
I
1
VDD
VDD
2
NC
NC
3
VS
VS
S
4
NC
NC
.
5
PA0
6
PA1
7
PA2
8
PA3
9
PB 0
10
10
PB 1
11
11
PB 2
12
12
PB 3
13
13
PB 4
14
14
PB 5
15
15
PB 6
16
16
PB 7
17
17
PC0
18
18
PC1
19
19
PC2
20
20
PC3
21
21
PC4
22
22
PC5
23
23
PC6
24
24
PC7
25
25
OS
OS
CO
CO
26
26
OS
OS
CI
CI
27
27
MC
MC
LR
LR
28
28
IC 200
200
EM
EM
78P447S
78P447S
AM Y
R 216
216
10K
10K
R 217
217
10K
10K
R 218
218
10K
10K
R 219
219
10K
10K
R 220
220
10K
10K
R 221
221
10K
10K
R 225
225
33
33
R 224
224
33
33
R 223
223
33
33
R 213
213
10K
10K
R 212
212
10K
10K
R 211
211
10K
10K
R 210
210
10K
10K
R 209
209
10K
10K
R 208
208
10K
10K
R 207
207
10K
10K
R 206
206
10K
10K
R 205
205
10K
10K
R 204
204
10K
10K
C209
209
104
104
Q208
208
2S
2S
A733
733
D201
201
1N
1N
4148
4148
D207
207
1N
1N
4148
4148
C210
210
104
104
R 214
214
10K
10K
R 238
238
4K
4K
7
R 215
215
10K
10K
R 237
237
56K
56K
XL
XL
200
200
4.194304MHZ
4.194304MHZ
C213
213
22P
22P
C212
212
22P
22P
C205
205
100P
100P
C206
206
100P
100P
C207
207
100P
100P
G
DS
Q200
200
2N
2N
70A
70A
02
02
G
DS
Q201
201
2N
2N
70A
70A
02
02
G
DS
Q202
202
2N
2N
70A
70A
02
02
R 200
200
10K
10K
R 202
202
10K
10K
R 201
201
10K
10K
Q203
203
2S
2S
C945
945
Q204
204
2S
2S
C945
945
R 203
203
10K
10K
D200
200
1N
1N
4148
4148
C203
203
100U/16V
100U/16V
C211
211
104
104
5V
5V
IN
R 222
222
33
33
ESS-
ESS-
PO
PO
WE
WE
R
EC
EC
O-
O-
POWE
WE
R
TI
TI
ME
ME
ESS-
ESS-
PO
PO
WE
WE
R
VC E
VC K
VD A
IR
IR
MCU-
CU-
OU T
MCU-
CU-
IN
IN
MCU-
CU-
IN
IN
EC
EC
O-
O-
PO
PO
WE
WE
R
SU
SU
B-
B-
MU
MU
TE
EC
EC
O ON/OFF
ON/OFF
DA
DA
CK
CK
CE
CE
5V
5V
IN
MCU-
CU-
OU
OU
T
TI
TI
ME
ME
(P OW ER ON
ON
H ; EC
EC
O & ST
ST
B : L)
L)
CO NTRO
NTRO
L MP EG 5V
5V
ON
ON
/OFF
1
2
3
4
5
6
7
8
9
10
10
11
11
12
12
RB
RB
200
200
CN
CN
12/
12/
20
20
GN D
P-
P-
MU
MU
TE
TE
P-
P-
MU
MU
TE (STA
TA
NDB
NDB
YH
YH
; EC O & PO
PO
WE
WE
R ON : L)
L)
FW
FW
FF
FF
12
3
12
3
A
B
C
A
B
C
A+
=
=
9
2
*
<=
*
<=
9
2