Audio Part - Philips AZ7381 Service Manual

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AUDIO PART

AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART
AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART AUDIO PART
A
ITEMNUMBER EXTENSIONS
A = charge circuit
B = LCD backlight version
C,G,H,J,K,N = DRAM size selection
D = cord remote control version
E = Line/opt.output version DC Voltages measured in
F = IR remote control version
V EVM
PLAY-mode, ESA off
L = SM5902 version of NPC
B
Set supplied via mains adapter
M = SM5859 version of NPC
O = only for laser power down conv.
P = only for Power Save Mode
Q = not for Power Save Mode
X = component only forseen (not in use)
% = tolerance of resistor is 1%
C
RC
16.9 MHz 7300
DBB
D
D
MUTE
MCK
3370
13
0V
1k
BEEP
GNDX
14
DCDTB
0V
LINE_OUT
E
XI
T300
2301E 15
5300
22p
XO
2300E 16
16,93 1.4V
22p
VDX
3371
17
3.0V
100R
F
+3
BS
18
D
EMP
19
G D
SM
20
DBB/LEVEL
D
HS
3302 21
TREB
47k
+3
3.0V
OPT_OUT
DATA
22
CL16
1.4V
H
SRDA
BCK
23
CLK
1.5V
LRCLK
LRCK
24
1.5V
6 5 7
I
1 2 3
CS 46 475
4-5
4 5 6
4.1V
+A
3390E
470k
3392E
4.1V
220k
3384E
100k
0V
A
TC9404FN
GNDD
12
L/R
11
VDA
3307
10
+3
3.0V
100R
LO
3311
9 2319
1.5V
220R
10u
Analog
GNDA
filter
8
0V
Output
VR
7
circuit
1.5V
A D
GNDA
6
0V
Analog
filter RO
3310
5 2318
220R
1.5V
10u
Output
VDA
4 3306
circuit +3
3.0V
100R
P/S
3309
3
+3
3.0V
100R
T1
2
Test
D
VDD
1
3.0V
+3
3.1V
D
3322
TREB
47k
4 5 6
7 8 9
0V
A
+uP
4.1V
2.6V
3358
470R
uP
7350
3313
2381
11
Switch
27k
2u2
12
Power on
Volume
Switch
3303 43k
2
8k2 13
3 3300
+
A
1.4V
in
10k
3A 1
14
+
1.4V
2A in
3312
2382
+
27k 2350 15
out
2u2 A
1.4V
22u
2351 16
3304
A
in
1.4V
22u
8k2
RF out
2352
17
3.9V
A
1u Ripple
2353 Filter
18
1.2V
0V A
22u
A RF in
0.7V 7356 2354 19
1.4V
BC847B
Beep in
100n
20
Vcc
27k
A
3318 1,7-3,6V
7355
2k
10k
BC847B
0.7V
A
A
7 8 9
4-5
10 11 12 13
+3
7384E
1830E GP1F361T
3388E
BC857B
T381 8
22R
T383
3.0V 7
T382 9
3386E
2.5V
22k 3
r
2
D l
1
4 6
2385
A
3380E 330p
T384
0V
1k
A ESD
3382E
0V 7380E
4k7
BC847B
A
3381E
T385
0V
1k +3
3383E
0V 7381E
4k7
BC847B
A
+A
2349
3.9V
33n
3349
7357
+3 BC847B 1M
0V
BA3574BFS
7351
2358
BC847B
0V
2356
10
time
100n
MUTE
A
0.8V 0V
1u
9
Low-pass
1.4V
boost
+3
43k
A
3351
8
A
DBB
0.7V
100k
Switch
7
time
- + -
AVC
7352 0.7V
A A
6
BC847B
DBB
in
5 RC
Mix out
1.4V
A A
+ +
3362
2365
4 left out T351
+
1.5V
1R
- out
330u/220u*
2362
3
+
1.4V
-
Vref
2u2
A
A
3363
2 right out 2366
+ T352
1.5V
1R
-
out
330u/220u*
1
Beep
A
A
T353
A A
*...only for layout stage .3
ESD
°...not for layout stage .3
10 11 12 13
14
1350 H14 7300 D 3
1830E A13 7350 E 9
2300E F 2 7351 E13
2301E E 2 7352 G13
2303 F 2 7353 D10
2310 G 5 7354 I 7
2311 F 5 7355 H 8
Optical out
A
2313 F 6 7356 H 7
2314 G 5 7357 E12
& Line out
2316 G 6 7380E B12
2317 F 6 7381E C12
2318 G 7 7382E B 7
2319 F 7 7383E C 6
2320 I 5 7384E A11
2321 F 8 T300 E 2
2322 G 7 T350 H14
2323 G 6 T351 G13
2324 I 6 T352 H13
2349 D13 T353 I13
2350 G 9 T354 I14
B
2351 G 9 T381 A12
2352 G 9 T382 A12
2353 H 9 T383 A12
2354 H 9 T384 B12
2355 H 9 T385 C12
2356 F11
2357 E12
2358 E12
2359X F11
2360 F12
C
2362 H11
2363 H12
2364 H12
2365 G12
2366 H12
2367 H14
2368 H13
2369D I13
2370 I14
2380E A12
2381 F 8
D
2382 G 8
2385 B13
2390E B 6
3300 F 9
3302 H 2
3303 F 8
DBB/LEVEL
3304 G 7
3306 H 6
3307 E 6
3309 H 6
3310 G 6
E
3311 F 6
3312 G 7
3313 F 8
3314 F 7
3315 G 7
3318 H 7
3319 G 8
3320 G 7
3321 H 7
3322 I 6
F 3323 I 7
3324 I 6
3349 E13
3350 F12
3351 F12
3354 F13
3355 I12
+3 ESD
3356 I12
3357D G13
3358 E10
3359 E 9
G
3360D G14
3361 E13
3362 G13
3363 H13
3365 H12
3360D
3366 H12
33R
1350 3370 D 2
3371 F 2
1 3.1V
3372 E 2
T350
2
3375 H 8
3 r
3376 D 8
H
4
3377 E 8
l
5
3379E C 7
3380E B11
Headphone & 3381E C11
RC-Socket 3382E B11
3383E C11
3384E C 6
3385E B 6
T354
3386E A11
3387E A11
3388E A12
3389 C13
I
3390E B 6
3391E B 6
3392E C 6
5300 E 2
6300 E 6
ESD O A 6350D I13
6351D G14
14