Panasonic SA-HT15EP / SA-HT15EG / SA-HT15EB Service Manual ▷ View online
SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
: -B SIGNAL LINE
: +B SIGNAL LINE
IC404
C0ABBB000297
OP AMP IC
+7.5V
-7.5V
C503
1
C510
100P
C509
150P
R454
39K
C512
16V10
SURR_R
R457
1K
R449
7.5K
C532
0.33
C465
100P
C433
150P
R436
39K
C513
16V10
R420
1K
R458
1K
SURR_L
R433
1K
R448
7.5K
C533
0.33
IC403
C0ABBB000297
OP AMP IC
-7.5V
C506
0.01
C517
100P
C516
47P
R456
82K
C522
16V10
R451
1K
FRONTR
R442
8.2K
C548
1200P
C536
0.1
R508
2.7K
C543
0.15
R510
3.3K
R_OUT
+7.5V
C515
100P
C514
47P
R455
82K
C518
16V10
R459
1K
FRONTL
R443
8.2K
C549
1200P
C531
0.1
R507
2.7K
C542
0.15
R511
3.3K
L_OUT
R419
1K
R431
1K
FRONTL
Q405
B1ABDC000011
MUTING SWITCH
R438
1K
FRONTR
Q406
B1ABDC000011
MUTING SWITCH
R439
1K
SUBWOOFER
Q401
B1ABDC000011
MUTING SWITCH
R421
1K
CENTER
Q402
B1ABDC000011
MUTING SWITCH
R422
1K
SURR_R
Q407
B1ABDC000011
MUTING SWITCH
R440
1K
SURR_L
Q404
B1ABDC000011
MUTING SWITCH
R441
1K
C473
0.1
R426
8.2K
-7.5V
Q422
B1GDCFJJ0008
MUTING SWITCH
Q421
B1GDCFJJ0008
MUTING SWITCH
Q420
B1GDCFJJ0008
MUTING SWITCH
R425
680K
MUTE_SC
5V
MUTE_ALL
R475
680K
R471
8.2K
C523
0.1
C437
1200P
W35
0
SR
C436
1200P
SL
W34
0
W79
0
W32
0
W47
0
W48
0
W33
0
W31
0
W78
0
W44
0
W43
0
: MAIN SIGNAL LINE
1
2
3
6
7
8
4
5
1
2
3
6
7
8
4
5
33
SA-HT15EP / SA-HT15EG / SA-HT15EB
1
2
3
4
1 2 3 4
SUB+B
5V
TUNER9V
+7.5V
-7.5V
TUNER9V
+7.5V
-7.5V
S_DET
-VP
SUBAC1
VREF
TUNER_DT
TUNER_CLK
SUBAC2
+7.5V
DGND
DGND
-7.5V
2
1
3
4
8
7
6
5
D751
D750
B0FBAM000010
VCC
WP
SCL
SDA
A0
A1
A2
VSS
JW906
TO
DSP CIRCUIT (CN906) ON
SCHEMATIC DIAGRAM-3
: -B SIGNAL LINE
: +B SIGNAL LINE
SCHEMATIC DIAGRAM - 8
MAIN CIRCUIT
Q754
B1BACG000023
REGULATOR
C922
16V100
C771
0.01
R757
470
R758
100
D767
B0BC8R100004
C772
16V100
D768
D765
D765, D768
B0ACCK000005
D764
B0ADCJ000020
Q751
KRC111STA
DETECT SWITCH
C769
50V4.7
R751
15K
R752
39K
Q753
B1AAKD000014
REGULATOR
C758
0.01
C757
16V100
R755
150
R759
820
D757
MAZ80560ML
D758
B0ACCK000005
D763
B0ECKM000016
C773
16V47
Q757
B1BCCG000023
CURRENT STABILIZER SWITCH
Q758
Q759
Q758
B1ABCE000016
REGULATOR
Q759
KRA110STA
CURRENT LIMITING SWITCH
C765
0.01
R765
10K
R771 1
R770 1
R769 1
R768 1
R767 1
R770 1
R769 1
R768 1
R767 1
R766
1.2K
C766
25V33
D761
MAZ80910ML
R761
330
D762
B0ECKM000016
C750
25V4700
R756
4.7
R764
1.8K
C764
0.01
R763
470
C762
16V100
D759
MAZ80820ML
Q756
B1BACG000023
REGULATOR
E751
SNE1004-2
C774
0.1
C755
25V33
Q755
2SB1548PQAU
REGULATOR
D766
MAZ80820ML
C759
0.01
R760
1K
C763
16V100
R762
4.7
D752
D753
D754
D755
D756
D751~D756
B0EAKM000117
C768
63V100
C756
50V100
C754
16V1000
FP751
2A
C767
16V1000
C760
50V100
C761
63V100
R754
4.7K
R753
150
D760
MAZ82200ML
C752
50V100
C753
0.01
Q752
KTA12710YTA
REGULATOR
C751
0.1
FP752
4A
IC903
C3EBEC000044
EEPROM IC (NOT SUPPLIED)
R949
47K
C931
0.01
R930
4.7K
R936
10K
R933
10K
D902
VCC1
D902
B0ACCE000003
C770
16V470
W23
0
34
SA-HT15EP / SA-HT15EG / SA-HT15EB
SCHEMATIC DIAGRAM - 9
1 2 3 4 5 6 7 8 9
31
32
33
34
35
36
37
38
39
72
73
74
75
76
77
78
79
80
92
93
94
95
93
94
95
96
97
98
99
98
99
100
10
71
40
91
11
70
41
90
12
69
13
68
42
89
43
88
14
67
15
66
16
65
44
87
45
86
46
85
17
64
18
63
19
62
20
61
47
84
48
83
49
82
50
81
21
60
22
59
23
58
24
57
25
56
26
55
27
54
28
53
29
52
30
51
KEY1
SPEC1_100HZ
INIT2
S_DET
AVSS
DIVIDER (SND)
AVSS
DIVIDER (SND)
VREF
AVCC
AVCC
NC
FRONT_FC2
SURR_FC2
NC
HAR_LEVEL
POWER_SA
VE
NC
CS42516_RESET
CS42516_CDOUT
CS42516_INT
NC
FLDT
FLCLK
FL
CS
FL
RESET
VSS
VCC2
HARMONIC_LED
D0
PLII
DTS
VOL_LED
HP_SW
ENCB
ENCA
NC
VOL_CLK
VOL_DT
VOL_L
T
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC1
NMI
FINT49
REMOTE
AC_SYNC
MUTE_ALL
MUTE_S/C
NC
TUNER_ST
DSP_OFF
MUTE_HP
SWPOWER TUNER_ CLK
IC900
C2CBHG000166
MICROPROCESSOR
: -B SIGNAL LINE
: +B SIGNAL LINE
NC
NC
NC
NC
NC
NC
NC
PWR RELA
Y
CS42516_CS
CS49300_INTREQ
KEY2
SPEC2_1KHZ
SPEC3_10KHZ
SPEC3_10KHZ
INIT1
NC
NC
NC
VIDEO_A
VIDEO_B
VIDEO_C
VIDEO_C
IN_OUT
DC_DET
NC
NC
NC
TUNER_SD
TUNER_ DT
NC
NC
NC
NC
NC
NC
NC
HAR_MUTE
NC
RDS_CLK
RDS_DT
CS49300_RESET
CS49300_CS
CS49300_CCLK
CS49300_CDOUT
CS49300_CDIN
POWER_SA
VE
R910 10K
RST42
CDOUT42
CS42
INT42
INT49
R953 1K
FL_DT
FL_CLK
FL_CS
FL_RESET
R956 1K
R954 1K
R955 1K
C960
1000P
C959
1000P
C957
1000P
C958
1000P
HARMONIC_LED
D0
PL1
1
DTS
VOL_LED
HP_SW
ENCB
ENCA
PCONT(PWR_RELA
Y)
R940 10K
R947 47K
R948 47K
R919 1K
R918
10K
R914 10K
R913 10K
SPEC1
SPEC2
SPEC3
SPEC2
SPEC3
R904 10K
R905 10K
R905 10K
R902
33K
R917 1K
R909 1K
R909 1K
S_DET
R911 10K
R997
10K
DCDET
R915 10K
R916
33K
C908
0.01
C916
0.01
C915
6.3V100
SYS6V
D903
D903
B0ACCK000005
R491 10K
R492 10K
R493 10K
VCC1
D901
B0ACCE000003
VOL_CLK
VOL_DA
T
VOL_LA
TCH
R982 10K
R983 10K
R984 10K
GND
IN
OUT
R901 0
CF901
H2A100500006
C981
33P
C982
33P
REMOTE
VREF
DSP_OFF
FINT49
FCS49
RST49
CS49
CCLK49
CDOUT49
CDIN49
MAIN CIRCUIT
HAR_MUTE
HAR_LEVEL
Q901
B1GACFJN0007
RESET SWITCH
R906
27K
C903
0.01
VCC1
C905
50V1
D904
B0ACCK000005
R941
47K
VREF
C935
50V1
C901
6.3V1000
C904
6.3V1000
C902
0.1
R907 4.7K
AC_SYNC
C917
0.01
MUTE_ALL
MUTE_SC
TUNER_ST
TUNER_SD
HP_MUTE
SWPOWER
TUNER_CLK
TUNER_DT
VREF
R908
100K
R935
10K
R934
10K
SPEC1
-7.5V
SPEC3
SPEC2
VREF
R912
10K
NC
NC
KEY1
KEY2
W75 0
W61 0
W49 0
W45
0
W20
0
W25
0
W24
0
W19
0
W46
0
VREF
RDS_CLK
RDS_DT
R903
33K
35
SA-HT15EP / SA-HT15EG / SA-HT15EB
SCHEMATIC DIAGRAM - 10
15
14
13
12
11
10
2
4
6
8
9
9
7
5
3
1
17
18
18
16
REMOTE
ENCB
ENCA
TUNER9V
DGND
HP_GND
HP_SW
HP_L
VOL_LED
REMOTE
ENCB
REMOTE
ENCB
ENCA
TUNER9V
HP_SW
HP_L
KEY1
KEY1
KEY2
VREF
POWER_SAVE
KEY2
VREF
POWER_SAVE
KEY2
VREF
DGND
INT42
CS42
INT49
CDOUT42
DSP_OFF
RST42
CDOUT49
CDIN
CCLK
CS49
FINT49
RST49
DGND
FCS49
DGND
INT42
CS42
INT49
CDOUT42
DSP_OFF
CS42
INT49
CDOUT42
DSP_OFF
RST42
CDOUT49
CDIN49
CCLK49
CS49
RST49
CN100A
CN100B
CN103
CN904A
TO
DSP CIRCUIT
(CN904B) ON
SCHEMATIC
DIAGRAM-3
MAIN CIRCUIT
FINT49
FCS49
15
14
13
12
11
10
2
4
6
8
9
9
7
5
3
1
25
17
19
21
23
24
24
22
20
18
16
JK405
TO ACTIVE
SUBWOOFER
UNIT
SB-WA15E/EB-S
SUBAC1
DCDET
SUBAC2
SYS6V
SWPOWER
DCDET
SUBAC2
SYS6V
SWPOWER
FRONTL
SUB+B
SUB+B
FRONTR
SURR_L
SURR_L
SURR_R
CENTER
CENTER
SUBWOOFER
AC_SYNC
FL1
SUBAC2
FL2
SUBAC1
FL1
SUBAC2
FL2
SUBAC1
DVDAC2
DCDET
DVDAC1
SYS6V
MUTE_H
DGND
OUTPUT GND
OUTPUT GND
OUTPUT GND
GUARD GND
GUARD_GND
MUTE_A
FRONTL
SUB+B
FRONTR
SURR_L
SURR_R
CENTER
CENTER
SUBWOOFER
SYNC
FL1
SUBAC2
FL2
SUBAC1
GUARD GND
IC902
C0ABBB000297
OP AMP IC
IC901
C0ABBB000297
OP AMP IC
R938
15K
R994
75
R991
15K
D925
MAZ80560ML
D922
B0ACCK000005
C929
16V10
R945
22K
R937
10K
C933
0.1
C921
16V100
R921
22
R922
270K
CON9016
+7.5V
R925
15K
R992
15K
R995
75
D926
MAZ80560ML
D923
B0ACCK000005
C930
16V10
R946
15K
+7.5V
R920
330
C925
0.1
R924
1K
R943
3.9K
R993
75
D924
MAZ80560ML
D921
B0ACCK000005
C928
16V10
R944
15K
C924
0.1
C923
0.1
R926
1K
PCONT(PWR_RELAY)
PCONT(PWR_RELAY)
POWER_SAVE
TO
FUNCTION
CIRCUIT
(JW103) ON
SCHEMATIC
DIAGRAM-12
VOL_LED
TO
VOLUME
CIRCUIT
(JW100) ON
SCHEMATIC
DIAGRAM-12
VREF
VREF
4
3
2
4
6
1
2
2
7
5
3
1
HP_R
HP_R
: -B SIGNAL LINE
: +B SIGNAL LINE
: MAIN SIGNAL LINE
FL2
FL2
FL1
FL1
-VP
-VP
5V
5V
POWERGND
DTS
DTS
PL11
PL11
D0
D0
HARMONIC_LED
HARMONIC_LED
FL_RESET
FL_RESET
FL_CS
FL_CS
FL_CLK
FL_DT
KEY2
FL_CLK
FL_DT
KEY2
TO
PANEL
CIRCUIT
(JW104A) ON
SCHEMATIC
DIAGRAM-11
CN104B
CN104A
PCONT(PWR_RELAY)
PCONT
W30
0
W28
0
W29
0
W1
0
TO
PANEL
CIRCUIT
(JW104B) ON
SCHEMATIC
DIAGRAM-11
W73
0
W22 0
W21 0
W26
0
W27
0
2
4
6
5
3
1
7
6
5
4
3
2
4
6
1
2
2
7
5
3
1
1
2
3
6
7
8
4
5
1
2
3
6
7
8
4
5
36
SA-HT15EP / SA-HT15EG / SA-HT15EB
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