Philips AZT9240 Service Manual page 20

1 2
SUPPLY PART
5.0V 6251
SS14
4.2V
+DC
6250
3250
DC_IN
10K
BAS216 to 7400, pin 9
CONTROL-
PART
1252
1.6V
DC JACK
ESD
CHG_ON
CHARGE CIRCUIT
from 7400, pin 32
+DC
CONTROL-PART
2254 C 3269
C
C
2255
10K
100n 4.3V
4.4V
3267 C
+1.25V 100p
3 8
7253
0.3V BC847BW
47K 3270 C
1 3.8V 0V
10K
2
7257-A C
0V 4
TDA1308T
3271 C
10K
7210
36 C2H
5.6V
35 C1H
3.8V
34 C1L
1.6V
33 C2L
1.2V
32 VCG
+2.7V
2.7V
31 VIN34
+A
4.7V
30 OUT3A
from/to DA23
2.4V
1250 29 PGND3
0V
SL+ 1
11
28 OUT3B
2
SL-
2.4V
3
27 OUT4B
2.1V
4
INNERSWITCH
CD - PART
26 PGND4
DM+
5
0V
12
DM- 6
25 OUT4A
2.7V
B-ZR
+2.7V
24 VIN3-4
4.7V
2216
23 CF4
1.3V
220p
3211 3212
DM_PWM 22 ERR4
1.6V
16 5K6 10K
from
21 ERR3
CONTROL PART
1.4V
20 CF3
1.4V
19 AGND
C....only for charging version
X....component only foreseen (not in use)
%....tolerance 1%
DC voltages measured in
PLAY-mode, ESP off, DBB off
V
Set supplied via mains adaptor
1 2
3 4 5
1251
4.7V
ICP-S0.7
+UP +1.25V
2271
1u
7251 C
3259 C 3260 C
from 7400, pin 62 BC847BW
0.8V
CONTROL-PART 3257 C 18K 18K
DM_PWM
0.5V
10K
0V
+OP
2.5V
3252 7252-A
3
8
TC75W51FU
1.9V
100K 3264 C
1 2.0V
1.9V
3253 22K
2
4
100K 1.9V
1.4V
3255 3256
68K 22K
+A +A
4.7V
3277 C
7255
C
C BC857BW
4.2V
470K
4.0V
0V
0V 7254 C
BC868
3280 C
2.5V
0V 18K %
0V C
7256
BC847BW
2.7V
MPC17A51VM 7250-E
14
74LV14
VG 1 10 11
6.7V
1.2V
1.2V
7
DGND 2
0V
2219
3221
CLK 3
1.6V
56K
10n
3220
OE 4
+2.7V
2.7V
100K
VLG 5
+2.7V
2.7V
VIN12 6
+A
4.7V
OUT1A 7
2.2V
PGND1 8
FOCUS+
0V
Focus+
9
OUT1B 9
FOCUS-
Focus-
2.6V
OUT2B 10 TRACK+
Track+
2.5V
10
TRACK-
Track-
PGND2 11
0V
OUT2A 12
2.4V
VIN1-2 13
4.7V
2223
CF2 14
1.4V
220p
ERR2 15 RA
1.4V
FO
ERR1 16
1.2V
2224
CF1 17
1.5V
220p
+2.7V
VR 18
1.4V
5
1
2.7V
1.4V
4
1.4V
7111
3
TC75S51FU
2
1.4V
3 4 5
6 7 8
+UP
RECH. BATTERY
MEASURING PART
2252 C
470p
3263 C
330K
+DC
4.2V
5
8
3266
C
7
CHG_DET
4.2V
10K
6
7257-B C
4
TDA1308T
BATT_LEVEL
+2.7V
TEMP
ACCU_IN
POWER_SW
to 3426
AUDIO-PART
BC847BW
1.2V
7212
BC847BW
0V
S_MUTE
from 7880, pin 3
CD-PART
during focus search
2,5V
9
0
TB=0.1s
-2,5V
to 1830
CD-PART
servo in or
disc motor cw
10
3V
not moving
11
0
servo out or
disc motor ccw
12
-3V
Radial
Focus
+2.7A
to 7830
CD-PART
Sledge
6 7 8
9 10
DC/DC-CONVERTER
4.7V
7883
2256 3285 BC857CW
4.1V
100K
1u
2.7V
3287
2.7V
100K
2.7V
7250-A
6255
3286
2.0V 14
1 2
10K
BAS216 7258
BC857BW
7
2260
2.7V
7250-B
14
3288 3291
3 4
2.6V 0.2
100K
7
7250-D 7250-C
14
14
1.1V
9 8 5 6
1.4V
1.1V
7 7
2.7V
74LV14
74LV14 74LV14
6257
V
5us
BAT54C
3,2
+Tuner
0.6V
t
V
5us
3,2
t
0.2V
7230 0.6V
POWER
from 7400, pin 64
CONTROL-PART
6232
+2.7V
BAT54WS
7233
BC857CW
4.7V
+A
2.5V
4.6V
7235
BC857BW
2.5V
2232
4.6V
7231
100p
BC847BW
0V
7234
0V
0.5V
BC847BW
3240
1M
0.6V 7232
BC847BW
TUNER_ON
from 7400, pin 33
CONTROL-PART
VOLTAGE
STABILIZERS
9 10
11 12 13
+A
+LV
to 7250F, pin 14
CONTROL-PART
7259
5251
BC807-40
+2.7V
4.7V 2.7V 2u2
2263
3294
680R 47p
3n3
2262
5.1V
2K2
10n
4.7V
7260
+2.7V
BSH 105
6259
2.6V
+OP
3292 2.6V
10K
5
8 1.2V
+1.25V
7
0.9V
6
7252-B
4
1.2V
TC75W51FU
+UP
1.8V
1.2V
+1.25V
RESET
to 7400, pin 8
CONTROL-PART
2.3V
0V
7236
BC847BW
3244
2M2
7261
4.7V BC807-25W(COL) 0.6V
+Tuner
4.1V
7262
BC847BW
0.1V
6258
0.5V
0V
BAS216
1250 G1 3292 C12
1251 A3 3294 B11
1252 B2 3295 B13
2210 E2 3296 C13
2211 F2 3297 C13
2212 F1 3298 I12
2213 F2 3299 I11
2214 H1 5250 A11
2215 H1 5251 B12
2216 H2 6230 G9
2217 I2 6231 F9
2218 E4 6232 F9
A 2219 F5 6233 G11
2220 F5 6250 A2
2221 F4 6251 A2
2222 F4 6252 C2
2223 H4 6253 A9
2224 I4 6254 A11
2225 I6 6255 B9
2230 G9 6256 C9
2231 F10 6257 C11
2232 G11 6258 I12
2250 B1 6259 C12
2251 A5 7111 I5
B
2252 A6 7210 E2
2253 B7 7212 F6
2254 C1 7230 E8
2255 D3 7231 G10
2256 A9 7232 H10
2257 A11 7233 F11
2258 B10 7234 G11
2259 C9 7235 F11
2260 B11 7236 H12
2261 C11 7250-A B10
2262 B11 7250-B B10
2263 B12 7250-C C10
C
2264 B12 7250-D C9
2265 B12 7250-E E5
2266 B13 7251 A4
2267 C12 7252-A B4
2268 C12 7252-B D12
2269 I12 7253 D3
2270 I11 7254 D3
2271 A3 7255 D5
3211 H1 7256 D5
3212 H1 7257-A D2
3213 H1 7257-B B6
D
3214 I1 7258 B9
3215 I4 7259 B12
3216 I5 7260 C11
3217 I5 7261 H12
3218 I6 7262 I12
3219 I6 7883 A10
3220 F5
3221 F5
3222 B1
3230 E9
3231 E9
3232 F9
E
3233 F9
3234 F9
3235 H9
3236 F10
3237 F10
3238 F10
3239 G11
3240 H11
3241 H11
3242 F11
3243 G11
3244 H11
F
3245 F12
3247 I12
3249 A2
3250 A2
3251 A2
3252 B3
3253 B3
3254 B4
3255 C4
3256 C4
3257 A4
G 3258 A5
3259 A5
3260 A5
3261 A5
3262 A6
3263 B6
3264 B5
3265 B5
3266 B6
3267 D1
3268 D1
3269 C2
H
3270 D2
3271 D2
3272 C3
3273 D3
3274 E3
3275 E3
3276 C4
3277 D4
3278 D5
3279 E5
3280 D5
3281 C6
I
3282 D6
3283 D6
3284 A8
3285 A10
3286 B9
3287 A9
3288 B9
3289 C9
3290 C9
3291 B11