Circuit Diagram (Part 3) - Philips LX7000SA Service Manual

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