Service manual

Schematic Diagrams
B - 28 Audio AMP
B.Schematic Diagrams
Audio AMP
C ENTER _SPK +_C
? ???
Fcut(-3db)=1965Hz
2000Hz High Pass Filter
REAR R/L
??? ?
1.5W
2000Hz Low Pass Filter
Fcut(-3db)=1809.4Hz
CENTER
??? ??
FRONT R/L 2W 4ohm
4ohm1.5W 4ohm
Fcut(-3db)=1012.3Hz
1000Hz High Pass Filter
CEN TER _ SPK-
CEN TER _ SPK+
C ENTER _SPK- _C
C ENTER _SPK+_C
Z2312
Z2313
C 597 *1800p_50V_X7R _06
C 598 *1800p_50V_X7R _06
R EAR_R
R EAR_L
Rev_3.0
SPK_EN 26
Q2 1
MTN 7002ZHS3
G
DS
C 562 0.47u_16V_Y5V_06
R 468 *100K_04
C550 1800p_50V_X7R _06
U22
TPA6211A1DG NR
IN-
4
IN+
3
BYPA SS
2
SD#
1
VO+
5
VO-
8
VD D
6
GN D
7
TH ERN AL_ PAD
9
R 47 7 * 2 0m i l _P _ 0 4
L37
F CM1005KF- 121T03
C 294 2200p_50V_X7R_06
U23D
7 4 LV C 0 8P W
12
13
11
147
U23 B
74LVC 08PW
4
5
6
147
C287
10u_10V_ Y5V_08
C5 5 6
0.47u_16V_Y5V_06
C56 6
10u_10V_Y5V_08
R 47 2 * 2 0m i l _P _ 0 4
C56 0
10 u _ 10 V _ Y 5 V _ 0 8
U2 3C
74LVC08PW
9
10
8
147
C289 1u_10V_06
R 469 *100K_04
C54 8
1u_10V_06
C293
0.1u_16V_Y5V_04
U2 3 A
74LVC 08PW
1
2
3
147
C384
* 180p_50V_NPO_04
C 569 0.47u_16V_Y5V_06
R225 100K_04
C281 0.022u_50V_Y5V_06
R238 8.2K_04
C570
10 u_10 V_Y5 V_08
L39
F CM1005KF- 121T03
C5 4 9
0.1u_16V_Y5V_04
C3 85
* 1 80 p _ 50 V _ N P O _ 04
C563
0.1u_16V_Y5V_04
L5 1
HC B1005KF-121T20
L28
H CB1005KF-121T20
R 4 64 1 0 0K _ 0 4
R235 10M_04
R 4 71 1 0 0K _ 0 4
Thermal Pad
U41
TPA6017A2PWPR
SD#
19
RIN -
17
LIN-
5
BYPAS S
10
GN D
11
GAIN 0
2
ROU T-
14
LOU T-
8
PVDD
6
LO U T +
4
GN D
20
GAIN 1
3
RO UT+
18
PVDD
15
EXPOSED PAD
21
LIN+
9
GN D
1
GN D
13
NC
12
VDD
16
RIN +
7
R466 *20m il_P_04
C558 1800p_50V_X7R _06
R 4 67 1 0 0K _0 4
C 571 0.47u_16V_Y5V_06
R 4 70 * 10 0 K _ 04
L36
F CM1005KF- 121T03
C559 1800p_50V_X7R _06
Thermal Pad
U42
TPA6017A2PWPR
SD #
19
RIN-
17
LIN-
5
BYP ASS
10
GND
11
GAIN0
2
RO UT-
14
LO UT-
8
PVDD
6
LO U T +
4
GND
20
GAIN1
3
RO UT+
18
PVDD
15
EXPOSE D PAD
21
LIN+
9
GND
1
GND
13
NC
12
VDD
16
RIN+
7
L38
F CM1005KF- 121T03
L41 FCM1005KF-121T03
R458 *20m il_P_04
C564
1u_10V_06
L5 0
HC B1005KF-121T20
J _FR CEN SPK
85204-06001
1
2
3
4
5
6
R 4 73 1 0 0K _0 4
L40 FCM1005KF-121T03
R224 8.2K_04
R 47 9 * 2 0m i l _P _ 0 4
SIDE_R O- 26
SIDE_L O+ 2 6
C 280 2200p_50V_X7R_06
C557 1800p_50V_X7R _06
SIDE_L O- 26
SIDE_R O+ 2 6
R 4 65 * 10 0 K _ 04
R457 *20m il_P_04
C3 87
* 1 80 p _ 50 V _ N P O _ 04
R237 * 20m il_P_04
R463 *20m il_P_04
C295 0.022u_50V_Y5V_06
R 47 5 * 2 0m i l _P _ 0 4
C 561 0.47u_16V_Y5V_06
R223 * 20m il_P_04
C386
* 180p_50V_NPO_04
AU DG
AU DG
AU DG
A UDG
AU DG
AU DG
AU DG
AU DG
AUDG
AUDG
AUD G
AU DG
AUD G
AUD G
AUDG
AUD G
AU DG
SID E-L26
SIDE-R26
KBC_M UTE#31
HP _PL U G32
FRO NT_R26
FR ON T_L26
A UDIO _CEN26
3.3VS 3,8..12,14,16..24, 26,28. .35
SB_MU TE#17
HD A_ RST#12,26
5VS 10,11,19..21,23..26,32..35
C594
* 0.47u_10V_Y5V_04
AU DG
Rev_3. 0
R 520 0_04
R 521 0_04
R 522 0_04
R 523 0_04
Re v_3 .0
Rev_3.0
GAIN 1
SPK_EN
SPKO UTL-_C
SPKO UTR-_ C
SPKO UTL+_ C
GAIN 0 SPKO UTR+_C
3.3VS
3.3VS
3.3VS
5VS_C EN
5V S
5V S
5VS_REAR
3.3VS
3.3VS
5VS
5VS
5VS_AM P
5V S
Re v _3. 0
R 4 76 7. 5 K _ 1 % _0 4
R 4 78 7. 5 K _ 1 % _0 4
R 4 74 7. 5 K _ 1 % _0 4
R 4 80 7. 5 K _ 1 % _0 4
SPKO UTR+_C
SPKO UTL+_C
SPKO UTR-_C
SPKO UTL-_C SPKOUTL-
SPKOUTL+
SPKOUTR-
SPKOUTR+
SID E_R O+ _ C
SID E_LO +_C
SID E_R O-_C
SID E_LO -_C
REAR _L
REAR _R
Re v_ 3. 0
HP_EN
SPK_EN
SI DE_RO +_C
SI DE_LO -_C
SI DE_LO +_C
SI DE_RO -_C
Z2317
GA IN1
SPK_EN
GA IN0
SPKOU TR-
CEN TE R_SPK+
CEN TE R_SPK-
SPKOU TL+_RSPKOU TL+
SPKOU TL-_RSPKOU TL-
SPK_EN
C ENTER _SPK -_C
SPKOU TR+_R
SPKOU TR-_R
SPKOU TR+
Sheet 27 of 55
Audio AMP