Service manual

Schematic Diagrams
B - 28 SRS
B.Schematic Diagrams
SRS
Sheet 27 of 42
SRS
VREFB
AU DG
AUD G
VR EFB
AUDG
VR EFB
5VS_AUD
AUDG
5V S_A U D
VR EFB
AU DG
SRS_LOU T 26
SRS_ROU T 26
5VS_AUD25
SRS_EN 15
L I N E _O U T _L25
L I N E _O U T_R25
Z2742
Z2743
Z 272 6
Z2714
Z2749
Z2745
Z2730
Z2748
Z2713
Z2733
Z2740
Z2729
Z2721
Z2739
Z2736
Z2712
Z2710
Z2750
Z2737
Z2723
Z2738
Z2752
Z2751
Z2734
Z2731
Z2724
Z2722
Z2720
Z2732
Z2719
Z2746
Z2716
Z2705
Z2744
Z2706
Z2741
Z2753
Z2728
Z2711
Z2747
Z2715
Z2735
Z2725
Z 270 9
Z 2 708
Z2707
Z2755
Z2717
Z2718
Z2754
Z2727
R2 70 1 0K _ 04
T121
R247 30K_ 1%_ 04
R621
62K _ 04
C4 11 0. 1U_ 16 V _0 4
AP8202Q
U1 2
AP8202
1
9
25
38
4
7
26
42
2
3
5
6
8
10
11
12
13
14
15
16
17
18
20
19
21
22
23
24
27
28
29
30
31
32
33
34
35
36
37
39
40
41
43
44
LF O UT
FOUT
LWPI
RIN
CB3B
CB1
LWNI
RFO CU S
LF O CU S
CB3
CB2
CB2B
CB1B
MIXOU T
BP2
NC 1
BP2B
BP1B
BP1
MOD E
VR EF
VR EFB
LWO
TBGAIN
NC 2
RWO
RWPI
RWNI
LO U T
RO UT
COMPI
VSA
BASSBYPB
FO CU SBYPB
G AIN IN
NC3
COMPC2
FWRIN
VD A
LIN
BUFR
BUFL
NC4
RFO UT
R250
2.2K_1%_04
R 255
2.2K_1%_04
R6 98 1 K _1 % _0 4
R6 99 1 K _1 % _0 4
R620
39K _ 04
C3 84
0. 1U _1 6V _ 04
C 79 0 0. 1U _1 6V _ 04
R6 02 0_0 4
R616
10K _ 04
C 39 5 0. 1U _1 6V _ 04
R2 49 6 2K _ 04
T 122
C381 22p_50V_04
T123
R6 06 2 K _0 4
R 598
30 .1 K _0 4
C3 99 0. 1U_ 16 V _0 4
T124
R 26 3 4. 7K _ 04
T127
R615
8 . 6 6K _ 1% _0 4
R2 52 6 2K _ 04
C 78 9 0. 1U _1 6V _ 04
C386 22p_50V_04
R269
15K_04
R613 22K_ 04
C776 0.018U_16V_04
R261 2.2K_04
R6 00 * 0 _0 4
R614 10K_04
R607 10K_04
47 K
47 K
Q3 3
DTA114 EUA
C
B
E
R610 18K_ 04
C379
10 U _ 10 V _0 8
C 78 8 0. 1U _1 6V _ 04
C4 00 0. 1U _1 6V _ 04 Q3 4
2N 70 02
G
DS
T126
R2 65 2 K _0 4
C377
10 U _1 0V _ 08
R2 74 8. 8 7K _ 1% _ 04
C3 85 4. 7U _6. 3V _ 06
R608 15K_ 04
C770 1 00 0P_50V_0 4
T128
C382
0.1U_16V_04
R246 30K_ 1%_ 04
R6 11 3 K _0 4
C 79 2 0. 1U _1 6V _ 04
R260 15K_04
R259 20K_04
C389
10U_10V_08
R6 09 2 . 2 K _0 4
R6 03 * 0 _0 4
R6 12 4 . 7 K _0 4
R 597 15 K _0 4
C3 87
10U_10V_08
R605 2.2K_04
C 79 3 0. 1U _1 6V _ 04
C774 0.1U_16V_04
C 79 1 0. 1U _1 6V _ 04
C772
0.082U_10V_04
C3 88 4. 7U _6. 3V _ 06 R5 99 0_0 4
R619
30K _ 1% _ 04
T125
R 60 4 4. 7K _ 04
PIN 31 BASSBYPB Lo w --->ByPass .
PIN 32 F ocu sBYPB OPE N ---> Focu s.
AUDIO PROCESSOR PRE-AMP
HI GH B YP AS S
LO W W OW
PIN 31BASSBYPB OPEN --->TrueBas s 6dB
PIN 32 Fo us BYPB L ow --->ByPass