Schematic Diagrams
B - 26 Amplifiers & Inverter Connector (71-L27T0-002)
B.Schematic Diagrams
Amplifiers & Inverter Connector
Sheet 25 of 29
Amplifiers & Inverter
Connector
CN24
HEADPHONE
2
4
5
3
1
o
R573
2.2K
C170
220p
L57
0_0805
AGND
T86
C274
2.2u/16V_1206
R553
4.7K
CN25
LINE_IN
2
4
5
3
1
MIC2
24
+
CT71
10u/10V_1206
C168
220p
L26
Bead BK2125HS121_0805
VROUT-L
Z2517
+2.25VREF
Z2516
CA160
0.1u
o
L22
BEAD BK2125HS241
7
Close to TDA1517 and CODEC
AGND
Z2538
CF13
4.7u/16V_1206
o
Z2524
C164
33p
R216
10K
0_r(0603)
R227
R574
22K
2
o
AGND
U38
RT9131
1
2
3
4
5
6
7
8
OUTA
MUTE
INA
GND
INB
BIAS
OUTB
VDD
AGND
C212
680p
CA167
0.1u
R266
4.7K
R268
10K
L25
BEAD BK2125HS241
C199
470p_R
CB8
1u
AGND
Z2502
VROUT-R
VR2
10K_VR-5P
6
3
2
5
1
U15
FRC-1394-201
1
2
3
4
8
7
6
5
+12V
+A5V
L19
BEAD HF50ACB321611T_1206
Z2521
Z2520
AGND
R_OUT
0_r(0603)
R226
AGND
C294
470p
L62
0_0805
o
AMP_L
C198
470p_R
CB21
1u
C203
220p
VROUT-L
C162
33p
C201
470p_R
F4
POLY SW 1.1A
AGND
C319
0(0603)
CN32
L-SPEAKER
1
2
Z2504
LINE_IN-R
24
Z2512
AGND
AGND
+5V
T85
R217
10K
R576
0
6
AGND
T87
L51
0_0805
R222
10K
R560
22K
C285
470p_R
SOUND-L
R577
7.5K_R
VROUT-R
CB20
2.2u_0805
AGND
MUTE#
AGND
+A12V
C208
100u/16V_6.3*7
MIC-IN
24
5
+A5V
24
C210
100u/16V_6.3*7
PMDAT
22
AGND
L61
0_0805
Z2535
C161
33p
CA161
0.1u
C327
470p
C326
470p
PMCLK
22
R_SPEAKER
Z2527
SOUND-R
CB19
2.2u_0805
R546
3K
LINE_IN-L
24
68K
R562
L31
0_0805
CB22
1u
L47
0_0805
CF14
4.7u/16V_1206
+A5V
CN19
PS2-KEYBOARD CON.
1
2
3
4
5
6
Z2503
SOUND-R
0_r(0603)
R229
KBCLK
22
Z2537
R274
1K_R
+5V
Z2540
R221
10K
T88
L63
0_0805
VR PIERCE PLAN
Z2507
L_SPEAKER
Z2539
Z2543
Z2523
C292
470p
C197
0.01u
R547
4.7K
C205
220p
+5V
4,11..14,16,17,19,21..24,26..29
1
+A12V
R204
1K
Z2505
Z2533
L30
Bead BK2125HS121_0805
AGND
C171
220p
C200
470p_R
R569
47K
+2.25VREF
24
VOLUME CONTROL
AGND
Z2506
0_r(0603)
R228
T84
PIN4=AGND
4
CA295
0.1u
U34
TPA1517
2
4
5
7
9
13
16
17
19
10
11
14
12
20
18
15
6
1
3
8
-INV1
SGND
SVRR
OUT1
PG
ND
OUT2
VP
M/SS
-INV2
GND
GND
OUT2
PG
ND
GND
NC
NC
NC
GND
NC
OUT1
Z2510
C293
470p
PIN(3,4)=GND
Z2513
Z2541
68K
R563
KBDAT
22
MUTE#
F1
POLY SW 1.1A
C318
0(0805)
C196
680p_R
AGND
AMP_R
Z2518
Z2525
L24
BEAD BK2125HS241
o
C169
0.1u
L23
BEAD BK2125HS241
L_SPEAKER
C320
0(0805)
R575
22K
L20
BEAD HF50ACB321611T_1206
R552
3K
AGND
Z2528
CB9
1u
CN31
R-SPEAKER
1
2
L_OUT
C209
100u/16V_6.3*7
R_SPEAKER
Z2522
L21
BEAD BK2125HS241
AGND
CA284
0.1u
CB16
2.2u_0805
AGND
PIN(3,4)=GND
Z2501
R545
1K
AGND
Z2526
AGND
Z2511
C163
33p
CN26
MIC_IN
2
4
5
3
1
Z2519
Z2515
CA277
0.1u
SOUND-L
R265
4.7K
AGND
AGND
Z2534
Z2530
Z2514
CN18
PS2-MOUSE CON.
1
2
3
4
5
6
C206
100u/16V_6.3*7
AGND
Z2508
CB18
2.2u_0805
Z2509
L27
0_0805
PINGND1.2=GND
AGND
PINGND1.2=GND
Z2542
R267
1K
L60
0_0805
HPHONE-L
24
CF12
4.7u/16V_1206
R269
47K
o
Z2531
CA152
0.1u
Z2536
AGND
PIN7=AGND
AMP_R
Z2532
3
AGND
C195
470p
+12V
12,13,16,17,22,24,26..28
HPHONE-R
24
AMP_L
Z2529
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