Service manual

Schematic Diagrams
AUDIO BOARD B - 57
B.Schematic Diagrams
AUDIO BOARD
Sheet 56 of 63
AUDIO BOARD
D02-0929J
Modify Value
HP_SENSE_A
GND_A
SURR_SENSE_A
D03-1012J
add AMP
OLD HCB2012KF-121T30
SURR_R_A
SURR_L_A
SURR_SENSE_A
A=> 20K
Thermal Pad
AU1
TPA6132A2
OUTR
5
PGND
10
CPP
11
INL+
2
VDD
14
HPVSS
8
GAIN0
6
INR-
4
INR+
3
SGND
15
EXPOSED PAD
17
CPN
9
INL-
1
EN
13
HPVDD
12
OUTL
16
GAIN1
7
GND
18
GND
19
GND
20
GND
21
GND
22
1
3
JADJ1
GREEN
2
BLACK
6
1
4
GND_A
3
LINE IN
(SURR)
MIC IN
(CENTER)
5
Z4306
Z4305
Z4303
Z4307
Z4304
Z4302
4
(Audio Board)
BLUE
MIC_SENSE_A
LINE_SENSE_A JD_SENSEA_A
JD_SENSEA_A
MIC1_R_A
PINK
MIC1_L_A
AMP_MUTE_A
MSPKL_A
LINE-L_A
SPEAKER OUT
(FRONT)
LINE-R_A
SPDIF -OUT_A
MSPKR _A
AMP_MUTE_A
HP_SENSE_A
MSPKR_A_C Z4301
MSPKL_A_C
2
18
SPDIF -OUT_A
Z4308
Z4310
MIC1_R_A
MIC1_L_A
MIC_SENSE_A
1
LINE-R_A
LINE_SENSE_A
LINE-L_A
Z4309
SPDIF
OUT
SOLDER SIDE VIEW
JD_SENSEB_A
AC1
680p_50V_X7R_04
AL1 HCB1608KF-121T25
AJAUDIO3
2SJ-T351-S23
2
6
5
3
1
4
D03-1019J
Modify
AR6 5.1K_1%_04
AR4 20K_04
AL9 HCB1608KF-121T25
AR1
1K_04
AL8 HCB1608KF-121T25
AC7
680p_50V_X7R_04
AR2
1K_04
MSPKL_A
A_AGND
AR5 *39.2K_1%_04
AC4
680p_50V_X7R_04
MSPKL_A_C
A_AGND
A_AGND
AC14
1u_6.3V_Y5V_04
AR3 10K_04
A_AGND
5VS_A
AR9 *0_04
AC10
680p_50V_X7R_04
AL6 HCB1608KF-121T25
DRIVE
IC
TX
AJAUDIO2
2SJ-A373-7S1
4
3
2
5
1
A
B
C
AJAUDIO1
2SJ-T351-S23
2
6
5
3
1
4
AC11
680p_50V_X7R_04
5VS_A
AL3 FCM1608K-121T06
AC9
0.1u_16V_Y5V_04
AC5
680p_50V_X7R_04
AC3
*680p_50V_X7R_04
AR10 100K_04
AR11 100K_04
AR13 *100K_04
AL2 HCB1608KF-121T25
AJAUDIO4
2SJ-T351-S23
2
6
5
3
1
4
AR12 *100K_04
AL4 FCM1608K-121T06
AL5 FCM1608K-121T06
MSPKR_A_C
A_AGND
D03-1011J
¹w¯dHP AMP
AC2
680p_50V_X7R_04
AC13
1u_6.3V_Y5V_04
AC6
680p_50V_X7R_04
AC8
0.1u_16V_Y5V_04
AL7 HCB1608KF-121T25
AC15
2.2u_10V_Y5V_06
MSPKR _A
GND_A
AC16
1u_6.3V_Y5V_04
AJADJ1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SPK_EN_A
A_AGND
A_AGND
A_AGND
A_AGND
A_AGND
AR8 *0_04
5VS_A
5VS_A
A_AGND
AC12
1u_6.3V_Y5V_04
1
AH5
MTH8_0D2_8
3
4
5 6
7
8
92
B=> 5.1K
GND_AGND_A GND_AGND_A
1
AH1
MTH6_0D2_3-9p
3
4
5 6
7
8
92
B=> 39.2K
SPK_EN_A
1
AH2
MTH6_0D2_3-9p
3
4
5 6
7
8
92
AR7 39.2K_1%_04
SURR_R_A
SURR_L_A
A=> 10K
JD_SENSEB_A
(SIDE SURR)
AR15 0_04
AR14 0_04