Philips FW-C399 Service Manual page 63

LEFT/RIGHT AMPLIFIER & SUPPLY BOARD - CIRCUIT DIAGRAM (PART 1)
1 2
EH-B EH-B
+11V Regulator
1250 1251
1
A1
2
B1
3
GND_D
4
A
GND_D
5 27.5V
B2
6
A2
7
+D
8
GND
9
+D2
*
B
12.5V
7251
0V
BC547B
0V
GND_M
C
7254
BDW94C
3258
22K
D
3259
GND
470K
7255
BC547B
7256
BC547B
E
CDR ONLY
FE-BT-VK-N
1252
1
-Vkk
2
F1
3
F F2
4
PD
5
NTC
3265
6
LSTBY
1K
7
LPS
* : PROVISION
@ : Some application or values may varies, see respective parts list for correct value.
1 2
11-5
3 4
B1
6250
BZX79-C15
2250
+11V_A
100u /50V
+11V_M
7250
3290
*
BDX53BFP 9962
11.8V
0R33
9960
12.9V
*
BC547B
* 7252
2252
7241
BC547B
3n3
12.8V GND_M
7253
0.6V
BC547B
0V
CDR only
GND_M GND_M
9252
NON CDR
9253
CDR ONLY
7257
L7805
13V 1 3 5.7V
IN OUT
GND
0.6V 2
GND
NON-CDR
6256
3269
+5V6
6K8 1N4148
+11V_M
GND
GND
6257
1N4148
7259
BC337-25
0V
6258
3272
0.6V
5K6
BZX55-C5V6
0V
GND GND
GND
Heatsink thermal NTC
3 4
5 6
3257
10K
3273
5.7V
+5V6
680R
BC557B
5.7V
+11V_cdr
7261
0.3V
STP16NE06
7240
4.8V
7260
VCD_ON
B1
BC547B
3275
0.3V
33K
0V
GND GND GND
SAT
GND_M
*
* 6262 *
+5V6 1N4148
*
*
GND GND
LPS
GND
0V
7262 3281
0.6V
BC547B
39K
0V
GND GND
+5V6
+11V_M
11.7V
11.3V
EH-B
1300
11.3V
1
BC327-25
7300
2
To fan
gnd_f
gnd_f
VCD 5V
Fan Speed Control
5 6
11-5
7 8 9
+5V6
FFC FFC
1259 1260
AMP_LR_DC
6259
BZX79-C6V8
6260
1N4148
GND GND
+5V6
To AF9
NTC
To AF9
3282
+5V
3K9
EH-B
1262
LPS
GND
5V
7263
5V
BC547B
To AF9
4.5V
GND
BD438
7264
VCD_ON
7265
BC547B
1322_A
gnd_al gnd_ar
GND GND GND
GND GND_D
3139 118 53720...for 88130...3434 pt4 dd wk0139
7 8 9
1250 A1 7255 E1
1251 A1 7256 E2
1252 F1 7257 C4
1259 A9 7259 F4
1260 A9 7260 A6
1261 A9 7261 A6
1262 C9 7262 D6
1263 C9 7263 D7
1264 E9 7264 E7
1280 B1 7265 F8
FFC
1300 F6 7300 F5
1261
1322_A F9 9250 C1
1 1323_A F9 9251 C1
AF_left
2250 A3 9252 C4
A
2251 A3 9253 C4
2
GND_pa
2252 B3 9960 A3
2253 A4 9962 A4
3
AF_right
2254 E1
2255 D1
4
NTC 2256 D2
2257 D3
5
2258 D3
LPC
2259 D4
6
PD 2260 B6
2261 B7
7
2262 C7
CLIP
2263 C7
8
2265 F8
AMP_ON
2300 F5
9
-Vkk 3250 A2
3251 A2
B
10 3252 A2
F1
3253 A2
11 3254 A3
F2
3255 B4
12 3256 B4
AMP_CS_DC
3257 A5
13
3258 D1
CDR ON
3259 D1
or
3260 D1
To AF9 VCD_ON
3261 D1
3262 D2
3263 E2
3264 D4
VCD sets only
3265 F2
EH-B
C 3268 E3
1263
3269 E4
1
LPS 3270 E4
3271 F3
2
3272 F4
+11V_A
3273 A6
3
3274 B6
GND_A
3275 A7
4
+11V_M 3276 A7
3277 B7
5
GND_M 3278 C6
3279 D6
6
3280 D6
+5V6
3281 D7
7
3282 C7
D
GND_D
3283 C7
8
3284 D7
5V_VCD
3285 D7
3286 E7
To AF9
3287 E7
3288 E8
3289 F8
3290 A3
3292 F4
3295 C7
CDR sets only
3300 F5
EH-B
3301 F5
1264
3302 E5
1
+11V_cdr 3303 F5
E 3304 E6
2
3305 E6
GND_M
3306 E6
3
3400 B4
GND_D
3401 B5
4
3402 B5
GND_D
3403 B5
5
6250 A4
5V_CDR
6251 A4
6 6252 D2
5V_CDR
6253 D3
6254 D4
To CDR
6256 E4
6257 E4
6258 F4
F
1323_A 6259 A7
6260 A7
6261 C6
6262 C6
6263 C7
6264 F7
6265 D6
7240 A5
7241 B5
gnd_f
GND_A GND_M
7250 A2
7251 B2
7252 B3
7253 B3
7254 C1