Circuit Diagram (Part 2) - Philips LX7000SA Service Manual

AVC BOARD - CIRCUIT DIAGRAM (PART 2)
1 2
A
5.9V
HPREF
B
A_HP
C
2202
A_HP
100p
D
3201
HPREF
12K
2201
1B_L
3200
22u 220R
GND_A
E
3202
HPREF
6K8
3252
HPREF
F
6K8
1B_R 2251
3250
22u 220R
G
GND_A
3251
HPREF
12K
2252
A_HP
100p
H
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
10-6
3 4 5
3204 3205
47R 33R
+HP
4200
A_HP aa
3254 3255
47R 33R
+HP
5.9V
5 7230-B
8
NJM4556AM
2205 3207
7
5.9V 47u 1K
6
5.9V
4
A_HP
2204
120p
3203
27K
3253
27K
2254
120p
A_HP
5.9V
4
2
5.9V 2255
3257
1
1K
47u
NJM4556AM
8
5.9V 3 7230-A
+HP
3246
11.6V 5230
+12A
2u2
10R
A_HP
3 4 5
6 7 8
7231
7232
3206 BC857B BC847B
7200
BC817-25
1K
A_HP
3256
7250
BC817-25
1K
GND_D GND_D
MUTE_SUB
7234 7235
BC857B BC847B
GND_D GND_D
3208
1K
0V
3209 3210 0V
7202
7201
BC817-25 BC817-25
1K 1K
aa aa
3259 3260 0V
7252
7251
BC817-25 BC817-25
1K 1K
0V
3258
1K
+5V_MUTE_1
6231
+5V6
BAS316
6232
3248
+12A
BAS316 100K
*
GND_D GND_D GND_D
6 7 8
10-6
9 10 11
AVC Circuit Diagram (Part 2)
5.4V
+D
+5V_MUTE_1
HP_in_L
3232
* A_HP
7233
BC847B MUTE_LR_SUB
5K6 3235
HP_in_R
10K
0.7V
0.7V
0V
3242
7237
BC847BW
47K MUTE_DVD
GND_D GND_D GND_D
+5V_MUTE_1
+D
3238
5K6
3241
7236
BC847B
47K
GND_D GND_D
GND_D
AMP_ON
AMP_L
aa
AMP_R
+5V6_ECO
+5V6
GND_D
+12A
GND_A
DVD_ON
STBY
3290
PWD_DN
680K
NTC
LPC
DVD_5V
+5V
GND_DAC
-5V
3139 118 55510...8239_210_91843...for 3474 pt3 dd wk0232
9 10 11
12 1230 B12
1231 E12
1232 F12
2200 E2
2201 D2
2202 D3
2203 E3
2204 E3
2205 D4
2206 E9
2230 B8
A
2231 D8
2232 D11
2233 B3
2234 H4
4
2235 H4
3
2236 H7
2237 H7
2
2250 G2
2251 G1
1
2252 G3
1230
2253 G3
FE-BT-VK-N
2254 F3
2255 F4
B
2256 F9
3200 D2
3201 D3
3202 E3
3203 E3
3204 A5
3205 A6
3206 A6
3207 D6
3208 D7
3209 E6
C 3210 E7
3230 B8
3231 A8
3232 A9
3233 A9
3234 B9
3235 A10
3236 D8
3237 C8
3238 C9
HP_DET
3239 C9
3240 D9
To front uP
D
3241 D10
3242 B10
3243 D10
3244 A3
3245 B3
3246 G5
3247 H8
3248 H8
3249 A10
3250 G2
3251 G3
3252 F3
FE-BT-VK-N E
3253 F3
1231
3254 B5
1
3255 B6
2 3256 B6
3257 F6
3
3258 F7
3259 F6
4
3260 F7
3290 G10
4200 B3
5230 G4
6230 B7
F
6231 G8
6232 H8
7200 A6
7201 E6
1232
7202 E8
FE-BT-VK-N
7230-A G4
1
7230-B D4
7231 A8
2
7232 A8
3
7233 A9
7234 C8
4
G
7235 C8
7236 D9
5
7237 B10
6
7250 B6
7251 F6
7
7252 F8
8
9
10
11
H
12
13
14
12