Service manual

Schematic Diagrams
B - 26 Amplifiers & Inverter Connector (71-P2970-002A)
B.Schematic Diagrams
Amplifiers & Inverter Connector
Sheet 25 of 28
Amplifiers & Inverter
Connector
+12V
+A12V
+A12V
+A5V
+2.25VREF
+5V
+A5V
+5V
Z2503
Z2538
Z2502AMP_L Z2501
Z2505
Z2509
Z2508
Z2507
Z2506
AMP_R
R_SPEAKER
L_SPEAKER
Z2537 Z2539
L_SPEAKER R_SPEAKER
L_OUT
VROUT-R
VROUT-L
R_OUT
Z2511
Z2510
Z2521 Z2522
Z2527
Z2524
AMP_L
Z2534
SOUND-L Z2535
AMP_R
SOUND-R
Z2530
Z2531
Z2512 Z2513
Z2520
Z2529
Z2526 Z2528
Z2532
Z2533
VROUT-L
VROUT-R Z2543
SOUND-R
SOUND-L
Z2516 Z2519
Z2504
Z2515
Z2517
Z2518
Z2514
MUTE#
Z2542MUTE#
Z2540
Z2541
Z2525
Z2523
Z2536
CA160
0.1u
L47 0_0805
0_r(0603)R229
CB8
1u
U38
RT9131
1
2
3
4
5 6
7
8
OUTA
MUTE
INA
GND
INB BIAS
OUTB
VDD
CA295
0.1u
CN25
LINE_IN
2
4
5
3
1
C212
680p
R274
1K_R
R269
47K
R569
47K
F4
POLY SW 1.1A
C168
220p
R216
10K
C163
33p
C162
33p
R217
10K
C320 0_0805/C_R
C319 0_0805/C_R
C318 0_0805/C_R
C292
470p
C293
470p
L57 0_0805
0_r(0603)R228
R222
10K
R221
10K
C161
33p
C164
33p
CA161
0.1u
C170
220p
CN18
PS2-MOUSE CON.
1
2
3
4
5
6
C171
220p
C169
0.1u
CB9
1u
L19
BEAD HF50ACB321611T_1206
F1
POLY SW 1.1A
CB19 2.2u_0805
0_r(0603)R227
0_r(0603)
R226
L60 0_0805_R
R268
10K
CN24
HEADPHONE
2
4
5
3
1
C294
470p
C195
470p
L63 0_0805_R
L62 0_0805_R
L61 0_0805_R
CF14
4.7u/16V_1206
C326
470p
CB20 2.2u_0805
CN31
R-SPEAKER
1
2
C327
470p
CN32
L-SPEAKER
1
2
R553
4.7K
CB16 2.2u_0805
R546
3K
R547
4.7K
R560 22K
C274
2.2u/16V_1206
CA284
0.1u
R545
1K
R204
1K
C208
100u/16V_6.3*7
C206
100u/16V_6.3*7
L31
0_0805
L27
0_0805
L51 0_0805
CN26
MIC_IN
2
4
5
3
1
CF12
4.7u/16V_1206
R552 3K
CA277
0.1u
CN19
PS2-KEYBOARD CON.
1
2
3
4
5
6
CA152
0.1u
L30
Bead BK2125HS121_0805
L26
Bead BK2125HS121_0805
CB18 2.2u_0805
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
PGND
OUT2
VP
M/SS
-INV2
GND GND
OUT2
PGND GND
NC
NC
NC
GND
NC
OUT1
VR2
10K_VR-5P
6
3
2
5
1
CF13
4.7u/16V_1206
CA167 0.1u
C200
470p_R
R267
1K
C197
0.01u
L22
BEAD BK2125HS241
R576 0
R577 7.5K_R
L25
BEAD BK2125HS241
R573
2.2K
C196
680p_R
C198
470p_R
C199
470p_R
R265 4.7K
R266 4.7K
R575
22K
R574
22K
L24 BEAD BK2125HS241
C285
470p_R
L23 BEAD BK2125HS241
C201
470p_R
L21
BEAD BK2125HS241
L20
BEAD HF50ACB321611T_1206
T86
T85
T88
T87
U15
FRC-1394-201
1
2
3
4
8
7
6
5
C209 100u/16V_6.3*7
C210 100u/16V_6.3*7
68KR562
68KR563
T84
CB21 1u
+
CT71
10u/10V_1206
C205
220p
C203
220p
CB22 1u
+5V [4,11,12,13,14,16,17,19,21,22,23,24,26,27,28]
+12V [12,13,16,17,22,24,26,27,28]
HPHONE-L[24]
HPHONE-R[24]
+2.25VREF [24]
MIC-IN[24]
LINE_IN-L[24]
LINE_IN-R[24]
KBDAT[22]
KBCLK[22]
PMDAT[22]
PMCLK[22]
+A5V [24]
MIC2[24]
AGND
AGND
oooo
o
35126
o
VR PIERCE PLAN
AGND
AGND
47
AGND
AGND
AGND
AGND
AGND
AGND
VOLUME CONTROL
AGND
Close to TDA1517 and CODEC
AGNDAGND
AGNDAGND AGND AGND
PIN4=AGND
PIN7=AGND
o
AGNDAGND
PINGND1.2=GND
AGND
AGND
AGND AGND
AGND
AGND AGND
PINGND1.2=GND
PIN(3,4)=GND PIN(3,4)=GND
AGND
AGND