Philips MX3900D Service Manual page 85

PRE-AMPLIFIER, SUPPLY & INTERCONNECTION CIRCUIT (For pcb layout ... 35006)
1 2 3
A
6200
5.4V
+5V_MUTE_1
+5V6
BAS316
6201 3200
+12A
100K
BAS316
GND_D
B
+HP
C
5.9V
T220
HPREF
A_HP A_HP
2213
A_HP
100p
D
3237
HPREF
12K
2215
5.9V
3235
1B_L
2207
22u 220R
5.9V
100u
5.9V
GND_A
3233 2209
HPREF
E
6K8 180p +HP
7230
3231 8
NJM4556AM
VS+
27K
3 INA+
O-A 1
2 INA-
3230
5 INB+
O-B 7
27K 6 INB-
VS-
2210
3236
4
HPREF
F
6K8
180p
A_HP
5.9V
2208
5.9V
2217
3234
100u
1B_R
5.9V
22u 220R
+HP
G
GND_A
3232 11.6V 3238
T222 5232
HPREF
2u2
12K
10R
2218
A_HP
100p
H
A_HP
BC327-25
-32.4V
7205
-Vkk
6204
40VAC
1N4003GP
-33V
I
GND_D
1 2 3
9-5a
4 5 6
3213 3211 0.2V
47R 33R
7231
7232
BC857B
3209 4.6V 4.8V BC847B 5.4V
7200
+5V_MUTE_1
BC817-25
1K
3206
7233
5.4V
5K6
BC847B
A_HP
0.2V
3210
7250
BC817-25
1K
(Headphone not inserted)
GND_D
3214 3212
47R 33R
0.2V
DVD_5V
4.8V
NTC
47K
BC857B
4.6V 7252
3277 BAS316
0.2V
+3V3 6K8 BAS316 6227
7253
BC847B
3.3V
3272 6228
GND_D
-6.2V
BD242B 5.6V
7204
-5V +5V6
+12A
6223
40VAC
-6.8V
1N4003GP
Hi = ON
DVD_5V 10K
3261
GND_D 5202
7210
LM2576T-3.3
33u
+C 5201 +3V3
1 2
VIN OUT
100u
5 4
ON_|OFF FB
GND
GND_D
4 5 6
7 8 9
1245
EH-B
1
MIC_OUT
2
MIC_Gnd
TO HP PCB
3290
4209
For non-Kara only
40VAC
+12A
3291
8
T440
MIC_OUT
7
~F1
4209
6
MIC_Gnd
MIC_DET
5
~F2
T204
4
HP_DET
4
T201
3
3
T202
2
A_HP
2
T203
1
1
MUTE_HDPH
3203 T221
1243
1230
FE-BT-VK-N
10K FE-BT-VK-N
For Karaoke LPC
GND_D
LOW = MUTE +5V6_ECO
+12M
PWD_DN
NTC
GND_D
40VAC
4280
PWD_DN
2282
470n
2280
AMP_L 3225 T205
1K0 470n T206
A_HP
2281
AMP_R 3224 T207
1K0 470n
2283 AMP_ON_LRCS
470n AMP_C
4281
GND_C
AMP_ON_C
A_HP A_HP
FREQ_HOP
NTC
EH-B EH-B 1233
1200 1201 EH-B
T209
1N4003GP
1 1 1
+5V +C
+5V6
6225 2 2 2
T210
3 3 3
GND_D
4 4 4
GND_D
T211
5 5 5
+5V6
6 6 6
BD438
+5V_DVD
7208 SS24
7 7 7
5.2V
GND_M
6205 T212
8
8 8
GND_A
T213
9 9 9
5V
+12A
T214
10 10 10
+12M
0.2V
7209
BC847BW BD438
+12M +12V_DVD
7206
12V 11.8V
GND_D
+3V3
11.3V
3V3_sense
0.2V
7211
DVD_ON
10K
7207
10K
BC847BW
Hi = ON 3260
3239
DVD_5V
Hi = ON
BC847BW
GND_M
7 8 9
9-5a
10 11 12 13
1235
EH-B
1
2R2 T261
GND_D
2
2R2 T259 3
T260 4
9291
5
3V3_sense 1241
GND_D
4206
T227
1
T215 6 4205
NTC 2
T228
3
+3V3
4
5
T229
GND_D 6
1236 T255
+5V_DVD
7
FE-BT-VK-N
8
T256
+12V_DVD
T216 9
1
10
GND_M
T257
11
2
T258
+5V 12
T217
13
3 -5V
T254 14
+12V_DVD 15
4
FMN-BTRK
5
TO DVD Module
1232
FE-BT-VK-N
1
2
3
T226
4
FE-BT-VK-N
1231
1239
1240
FE-BT-VK-N FE-BT-VK-N
10
T231 1
1
A0
9
T232 2
2
A1
8
T233 3
3
A2
7
T234
T208 4
4
I2C_CLK3
6
T235
5 5
GND_D
5
T236
6
6
I2C_CLK2
4
7
7
GND_D
3
T237
8
8
I2C_CLK1
2
9
9
GND_D
1 T238
10
10
I2C_DATA
T239 11
11
DVD_ON
T240 12
12
DVD_5V
T230 13
13
+5V6
T241
14
14
GND_D
T242
15
-Vkk
4201
T243
16
~F1
4200
T244
17
~F2
1238
FE-BT-VK-N
1
TU_ENABLE
T253
2
TU_DATA
T252
3
GND_D
4
TU_CLK
T251
5
TU_STEREO
T250
6
GND_D
7
MUX_VU
8
MUX_DET
T248 9
+5V6_ECO
T247
10
GND_D
11
LPC
T246
12
MUTE_SCART_LO
13
PWD_DN
T245
3139 113 35006_04 dd wk0405
10 11 12 13
1200 F9 5201 H6
1201 F9 5202 H6
1230 B9 5232 G3
1231 D10 6200 A2
1232 C10 6201 A2
1233 F9 6202 I6
1235 A11 6203 I6
1236 B10 6204 I1
1238 H12 6205 G7
FMN
A
1239 D12 6223 G4
1242
1240 D12 6224 H5
1
1241 B12 6225 F7
2
1242 A13 6226 I2
1243 B9 6227 F5
3
1245 A9 6228 F5
2201 B1 7200 B4
4
2202 B6 7204 G5
5 2207 D3 7205 H2
2208 F3 7206 H9
6
2209 E2 7207 I9
2210 F2 7208 G7
7
B 2211 E2 7209 H7
8
2212 G2 7210 H5
2213 D1 7211 I7
9
2214 E1 7230 E3
2215 D1 7231 B5
10
2216 G1 7232 B6
11 2217 G1 7233 B7
2218 G1 7250 C4
12
2219 H2 7252 F5
2220 H3 7253 F6
13
2224 H6 9291 B10
2225 H5 T201 B8
C
2226 H5 T202 B8
2227 F8 T203 B8
2228 I2 T204 B8
2229 I1 T205 D10
2230 I2 T206 E10
2231 I9 T207 E10
2232 H8 T208 E10
2233 C2 T209 F10
2240 I5 T210 G10
2241 I6 T211 G10
2242 F6 T212 G10
2254 H7 T213 G10
D
2280 D8 T214 H10
2281 E8 T215 B10
2282 D8 T216 C10
2283 E8 T217 C10
3200 A2 T220 C2
3201 B2 T221 B7
3202 I6 T222 G2
3203 B7 T226 D10
3204 C7 T227 B11
3205 B6 T228 B11
3206 B6 T229 B12
E 3207 B5 T230 F12
3208 B5 T231 E12
3209 B5 T232 E12
3210 C5 T233 E12
3211 A4 T234 E12
3212 C4 T235 E12
3213 A4 T236 E12
3214 C4 T237 F12
3215 I7 T238 F12
3224 E8 T239 F12
3225 D8 T240 F12
3230 F2 T241 F12
F
3231 E2 T242 G12
3232 G1 T243 G12
3233 E1 T244 G12
3234 G1 T245 I12
3235 D1 T246 I12
3236 F1 T247 I12
3237 D1 T248 I12
3238 G3 T250 H12
3239 I7 T251 H12
3240 I5 T252 H12
3243 I2 T253 H12
3244 I2 T254 C12
G
3245 H9 T255 B12
3250 I9 T256 C12
3252 G7 T257 C11
3254 H7 T258 C11
3256 C2 T259 B10
3257 C2 T260 B10
3259 H5 T261 A10
3260 I8 T440 A9
3261 H6
3262 I9
3263 I9
H 3265 H5
3268 I9
3269 H7
3270 E9
3271 E9
3272 F5
3273 F6
3274 F5
3275 F5
3276 F5
3277 F5
3290 A10
I
3291 A10
4200 G12
4201 G12
4205 B12
4206 B12
4209 B9
4280 D8
4281 E8