Supply Part - Circuit Diagram - Philips FW-D5/21 Service Manual

SUPPLY PART - CIRCUIT DIAGRAM

1 2 3
8
A
1
2
GBU6D
TO TRAFO
SECONDARY 3
6251
4
48V
5
-32V
B
3312
-28.5V
A
-10.3V 22R
7251
BD242BFP
-11V
D
C
-55V
7252
6330
BC327-40
1N4003 1N4003 3K3
3314
6329
D
10
1
5.0V
2
TO TRAFO
SECONDARY
3
NTC
4
9
E
1
9.6V
2
TO TRAFO
SECONDARY
9.6V
3
F
+12V
+V
+11V
1258
1 +4.0V
TO MAINS 2 7257 +1.2V
PCB BC337-25
G
3
4
+0.5V
GND
EH-S
H
I
.... Vdc measured during AMPLIFIER ON
V Vdc measured during AMPLIFIER OFF (mute)
Voltages measured at nominal mains voltage and low output signal
# : PROVISION
Note : Some values may varies, see respective parts list for correct value.
1 2 3
11-5
4 5 6
CS_ON = +5V CS OFF = 0V
1268
1 CS_ON
CS_ON
-32V +3.1V
2
AMP OFF
3
+VL
DC
+32V
4
1
5
TO CENTER/SURROUND
2 GND_L GND_C
6
PCB
GND
3 GND 7
GND_SL 8
4 GND_R
GND_SR 9
5
-32V
10
11
11
-8V
-9V
-44V
-33V
-34V
7275
BC327-40
3K3
3247
-44.6V 220R
3251
-34.6
F1
-28V
+25V
F2
-28V
+VL +32V
100u
7253 +22V
2265
+25V BDX53BFP
+12.5V
+13.7V
+1.5V
# #
BC547B
7255 #
2266
+13.7V
3n3
7256
7254
BC547B
+0.7V
BC547B
0V
A A
3269
1K
3274 +8.2V
+5V
7258
BC547B
-0.2V
120K
+12V
+11V
BD242BFP
+5.6V
7259
7260
L7805CP
3277
+5V6
# IN OUT
1R +11V GND
+0.6V
9251
#
D D D
4 5 6
7 8 9
9259
5V6 5V6
+5.6V
+5.6V
3308
6276
680R
BC557B
7272
BZX79-C6V8
6275
3265
7273
BC547B
33K
1N4148
A
+5V6
15K
1N4148 +5.6V
3267
#
# 6263
12K
3266
NTC +5.0V
+5V6
+12M
+5V
D
+12A
+5.0V
+V
+11V
A
7267
7266
BC547B
BC547B
3296
+0.6V +4.6V
39K +4.0V
1N4003
7262 6273
7261
LM317P 6272 BD438 +3.3V
+3.3V
I O
+5.6V
A
5K6
+2.3V +2.6V
D D
3287
#
D D D
#
BC547B
7 8 9
11-5
10 11 12
+VL
2284
JL
1261
10n HST1
1
7274 2
BC556B
3
4
-32V +3.1V
5
6
0V
AMP_ON = +5V AMP OFF = 0V
+12M
+12A
+12.5V
A
+12M
+12.5V
D
BC327-25
1265
7268 +5V6
EH-B
NTC
1
1262
2
*
A A A
F1
F2
-33V
CS_ON
EH-S
7265
1263
BC547B
+0.7V
3293
12K
D D
7277
BC547B
+0.7V
3245
12K
D D
1270
1
+3.3V
2
3
4
+5.6V 0R22
5
+5.0V
#
3290
6
7
BD438
D
+4.9V
7263
8
D
-8V
9
-9.0V
0V 10
# 9257
+0.7V 3289
7264 11
+12M
+12.5V
2K2
+12.5V 12
7276
BD438
D
+11.8V
D D
D
3139 118 53250...87380 for ...3427 pt2 dd wk0023
10 11 12
13 8 A1 6252 C3
9 E1 6254 D4
10 D1 6255 C5
11 B4 6256 E2
1205 I10 6257 E3
1258 G1 6258 F2
1261 A13 6259 F3
1262 D13 6260 E6
1263 F13 6261 E7
1265 D11 6262 D8
1268 A4 6263 D8
1270 G13 6264 G3
2251 A2 6265 G3
A
2252 A2 6270 I5
2253 B3 6271 G7
2254 F3 6272 H7
HST1
2257 A3 6273 H10
2258 B3 6274 E9
R
TO L/R 2259 C2 6275 B8
GND_pa AMP. PCB 2260 C3 6276 B9
2262 D4 6277 B11
L
2263 E4 6278 B10
2264 E2 6325 E3
AMP OFF
2265 E6 6326 F3
B
2266 F6
DC 6327 C2
2267 E7 6328 D2
2268 E6 6329 D2
2269 G5 6330 D3
2270 G4 7251 B3
2271 I4 7252 C3
2272 I4 7253 E5
2273 I5 7254 F4
L
2274 I6 7255 F6
9
2275 H7 7256 F6
GND_pa
8
2276 I7 7257 G3
R
2277 H8 7258 G6
7 C
2278 H10 7259 H5
AMP_ON
6
2279 F9 7260 H6
+12A 2281 D10 7261 H8
5 TO AV
2282 B9 7262 H7
PCB
A
2283 B7 7263 H10
4
2284 A10 7264 I10
+12M
3 2286 C2 7265 F11
2287 D3 7266 F9
D
2
2288 I12 7267 F8
+5V6 3245 G11 7268 D10
1
3246 G11 7272 B8
3247 D4 7273 B7
D
3248 B2 7274 A11
3249 B2 7275 C4
3250 C2 7276 I12
3251 D4 7277 G11
3252 D5
8520 F13
3253 D4 8522 G13
NTC
8
3254 D5 9235 D8
DVD_ON
3255 F4 9251 I5
7
3256 F5 9252 H10
STBY
6 3257 F5 9257 I12
F1 3258 F5 9258 I9
5 E
3259 F5 9259 A10
TO AV
F2
3260 E5
PCB
4
3261 F6
-30
3 3262 D7
3263 F6
PWD_DN
2
3264 E8
CS_ON 3265 B8
1
3266 D8
3267 D9
3269 G4
3273 G3
3274 G5
F
3275 G6
8520 3276 I4
3277 I5
3278 I8
HEATSINK
3279 I8
3280 I9
3282 H8
8522 3283 I7
3284 I7
TO DVD MODULE 3285 H8
3286 I10
3287 H10
G
3288 I10
3289 I11
3290 H10
3291 F10
3292 F10
PH-B
3293 F11
3294 F11
+3.3V
3295 F9
3296 F9
+CD/DVD
3297 F8
+5Vstby 3298 E9
H
3299 D10
NOT USED
3300 C10
3301 C11
TO DVD 3302 C11
MODULE
D 3303 C11
3304 B10
3305 A11
3306 B8
-8Vstby
3307 B8
NOT USED 3308 B7
3309 B9
+12M
3310 C4
I
3311 B4
D
3312 B3
3313 D10
3314 D3
3315 I11
3316 I11
3317 I12
3318 I12
3319 D10
6251 A2
13
PCS 103 862