Philips LX7000SA Service Manual page 49

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AVC BOARD - CIRCUIT DIAGRAM (PART 3)
1332 C13 2303 B8 2309 D11 2315 E9 2340 C4
1380-1 F13 2304 G2 2310 D4 2316 H6 2341 F4
1380-2 G13 2305 E6 2311 D4 2317 H7 2342 B2
2300 C2 2306 F8 2312 H3 2318 H7 2343 F2
2301 A6 2307 E8 2313 H4 2319 F11 2344 C2
2302 A9 2308 F9 2314 F11 2330 F12 2345 F2
1 2
A
B
3342 2342
DVD_Ls
4K7 220n
GND_OP_S
2344
3344
DVD_Rs
220n
4K7
C
GND_OP_S
2300
LINE_L
100n
2350
LINE_R
100n
D
E
3343 2343
DVD_C
F 470n
4K7
GND_OP_C
2345
3345
DVD_Lfe
4K7 1u
*
GND_OP_C
2304
G
LINE_L
1u
2354
LINE_R
1u
H
I
Provision in layout only
*
DC voltage measured in DISC mode PLAY
Note : Some values may varies, see respective parts list for correct value.
1 2
10-7
2346 H13 2355 G6 2361 D4 2387 G8 2393 B8
2380 C11
2350 D2 2356 H8 2362 H4 2381 E12 2388 G8 2394 E4
2351 D6 2357 H8 2363 H4 2382 E12 2389 F8 2395 E3
2352 C9 2358 H9 2364 H12 2384 I7 2390 C9 2396 E3
2353 D8 2359 G11 2365 G9 2385 I6 2391 C8 2397 B4
2354 G2 2360 D4 2379 C11 2386 G8 2392 C8 2398 B3
3 4 5 6
GND_S
3351
1K
7330
4.7V
TDA7468D
+9V4
7 8
27
VOLUME I
1
POWER SUR.
SUPPLY
LEFT
28
GND_S
3300
4.7V 3
1K
3318
4.7V
4
SOURCE
1K
5
SELECTOR
LOGIC
6
1n
GND_S 2340
4.7V 2
3368
23
1K
24
VOLUME I
4.7V 25
SUR.
3301 RIGHT
4.7V 26
1K
22 21
3350 4.7V
1K
GND_C
3357
68K
7331
TDA7468D 4.7V
4.7V
+9V4
7 8 9
27
VOLUME I TREBLE
1
POWER SUR.
SUPPLY
LEFT LEFT
4.7V
28
3307
GND_C
68K
4.7V 3
3321
4
4.7V
SOURCE
1K
5
SELECTOR
LOGIC
6
2341
4.7V 2
GND_C
3370 1n
23
1K
24
VOLUME I TREBLE
4.7V 25
SUR.
RIGHT RIGHT
26
3306
4.7V
22 21 20
68K
4.7V 4.7V
3356
68K
GND_C
3 4 5 6
2399 B3 3305 B10 3311 F9 3317 F12 3348 C2 3354 D9
3342 B1
3300 B3 3306 G3 3312 F9 3318 B3 3343 F1 3349 G1 3355 C10
3301 C3 3307 F3 3313 D10 3319 F10 3344 C1 3350 D3 3356 G3
3302 A7 3308 E8 3314 D11 3320 F11 3345 F1 3351 A3 3357 E3
3303 A8 3309 E9 3315 D12 3321 F3 3346 B1 3352 D7 3358 H8
3304 B9 3310 E9 3316 E6 3322 E12 3347 F2 3353 C8 3359 G9
7 8 9
3302
1K
4.7V 4.7V
4.7V
3303 2302
9 10 11
470n
2K2
VOLUME II
TREBLE BASS
12 4.7V
LEFT
LEFT LEFT
GND_S GND_S
2393
16
BASS ALC
4.1V
470n GND_S
I2C_CLKS
3395
4.9V
14
1K
IIC BUS
15 4.9V
3396 I2C_DATA
REC 13
1K
2390
100n
GND_S GND_D
VOLUME II
TREBLE BASS
17 4.7V
RIGHT RIGHT RIGHT
20 19 18
2352
3353
4.7V 4.7V 4.7V
2K2 470n
3352
GND_S GND_S
1K
GND_S
+C_opamp
3316
2315
C_Ref
150p
1K
4.7V 4.7V
3309
C_Ref
10 11 100K
BASS VOLUME II 2307
12 4.7V 3308 3310
3
8
5.7V
22n
LEFT LEFT 1K 10K
7336-A
2
5.7V 4
4.1V 470n GND_C
16
BASS ALC
2389
GND_C
2308
3393 I2C_CLKC
14 4.9V
IIC BUS
1K
15 4.9V
3312 47K
3394
REC 13 I2C_DATA
1K
BASS VOLUME II
2386
17
RIGHT 100n
RIGHT GND_C GND_D
+C_opamp
3359
19 18
4.7V
C_Ref
33K
4.7V 4.7V
2365
C_Ref
3397
22n
1K
11.5V
2357
3358 3360
GND_C 5
8
1K 220n 10K 5.7V
* * *
2318 7336-B
6
1u
4
5.7V
GND_C
*
*
2358 10n
GND_C GND_C
27K
+12A
C_Ref +C_opamp
C_Ref 3362 47K
3361
5.7V
4K7 11.5V 100R
3391 3390
GND_C GND_C
7 8 9
Published in Heiloo, Holland.
10-7
3360 H9 3389 E13 3395 B9 7331 E4
3366 H6 3383 C11
3361 I9 3367 G12 3384 E13 3390 I8 3396 C9 7333 B11
3362 I9 3368 C3 3385 E12 3391 I7 3397 G7 7334 D12
3363 G10 3369 H7 3386 C11 3392 I6 7300 B10 7335 C12
3364 H11 3370 F3 3387 C12 3393 F8 7301 D11 7336-A E9
3365 H12 3382 C11 3388 E13 3394 F8 7330 A4 7336-B H9
10 11 12
AVC Circuit Diagram (Part 3)
0 V BC847B
7300
3305
- 2V
1K
4.7V
+5V_MUTE_1
7333
4.9V
BC857B
- 2V
GND_S
4.9V * 3382
- 2V 3355
47K
1K 3386 4.9V
7350
0 V BC847B 470K MUTE_DVD
3387
0V
7335
BC847BW 47K
GND_D
GND_D GND_D
MUTE_S
3313 2309
1u
12K
C_ON
S_ON
GND_C
0V
7334
- 2V 3315
- 2V BC857B
1K
BC847B
7301
4.9V
GND_C
3322
- 2V
1K
11.5V
7351
0 V
BC847B
NJM4556AM
1 5.7V
GND_D GND_D
GND_C
3319 2319 3317
33p
4K7 50V 10u 1K
GND_C GND_C
GND_E
3363 2359 3367
1u
4K7 10K
NJM4556AM
GND_C
GND_C
7
5.7V
GND_C
GND_C
- 0.4V 3365 MUTE_SUB
1K
BC847B
7339
GND_C
3139 118 55510...8239_210_91843...for 3474 pt3 dd wk0232
10 11 12
12/21/15
7337 E13
7339 H12
7350 C10
7351 E11
13
A
B
C
FE-BT-VK-N
1332
AMP_Rs 1
2
GND_S
AMP_Ls 3
4
GND_C
5
AMP_C
6
D
7
4.9V +5V_MUTE_1
*
3384
47K
E
3388 4.9V
470K 3389 MUTE_DVD
0V
7337
BC847BW 47K
GND_D
MUTE_C
1380-1
YKC21-4425
1
C-OUT F
2
BLUE
GND_C
G
1380-2
YKC21-4425
3
SUB-OUT
4
BLACK
GND_C
H
I
13