Panasonic SA-HE90E / SA-HE90EB / SA-HE90EG Service Manual ▷ View online
C1234
16V33
16V33
SCHEMATIC DIAGRAM - 6
1000P
6.8K
R1239
2.2K
CN904B
R1261
100K
C1260
50V4.7
IC1230
IC1231
IC1522
C1250
0.022
C1528
0.01
R1530
10K
C1530
16V10
16V10
R1527
4.7K
C1533
150P
R1521
4.7K
C1523
390P
C1525
150P
C1909
4700P
4700P
C191
1
D1705
UDZSTE176R2B
C1237
330P
R1237
100
R1236
4.7K
R1249
C1245
0.01
C1247
25V10
25V10
C1253
0.01
C1244
0.01
C1246
25V10
25V10
IC1701
CN702
Q1703
IC1521
R1930 100
R1928 100
R1916 100
R1929 100
Q1701
Q1702
R1931 100
R1526
C1526
16V10
R1932 100
R1933 100
C1527
16V10
16V10
R1945 100
R1934 100
C1524
16V10
16V10
C1532
16V10
16V10
R1523
220K
R1942 100
R1943 100
1
3
5
7
9
8
6
4
2
10
11
12
13
14
15
16
17
18
VSS
VCC
8
9
10
11
12
13
14
7
6
5
3
4
2
1
5
6
7
8
3
4
2
1
5
6
7
8
3
4
2
1
3
2
1
3
2
1
5
6
7
8
3
4
2
1
IC1230
NJM2060MTE1
OP AMP
IC1231
C0ABBB000127
OP AMP
IC1522
C0ABBB000102
OP AMP
IC1521
C0ABBB000102
OP AMP
Q1703
KTC3199GRTA
REGULATOR
Q1701
KTC2026
REGULATOR
Q1702
2SD2374PQAU
REGULATOR
GND
IC1701
BA25BC0FP
REGULATOR
DSP_OFF
OVLERR
RST42
CS42
CD_OUT
CDIN
CCLK
CS49
CSRST
INTREQ
SCDOUT
VCR_MUTE
CLK9482
DT9482
ST9482
V_SELB
V_SELA
SOUT_LIN
SOUT_RIN
C1706
390P
R1706
330
R1705
330
C1704
16V10
16V10
C1701
16V100
R1704
2.7K
C1702
10V3300
R1707
820
C1703
0.01
R1524
10K
R1525
10K
R1522
22K
R1703
10K
R1702
4.7
R1701
4.7
C1529
16V10
16V10
R1531
10K
C1531
390P
R1528
22K
R1529
220K
R1232
47K
R1231
47K
C1231
16V33
16V33
R1235
1K
R1234
6.8K
C1240
2700P
2700P
R1243
2.2K
R1233
47K
R1242
18K
C1241
100P
R1241
1K
R1240
1K
R1245
18K
C1239
2700P
2700P
R1238
18K
C1238
100P
C1243
2700P
R1244
2.2K
C1242
100P
R1252
47K
C1251
16V33
16V33
R1250
560
R1251
1.8K
R1260
100K
C1261
50V4.7
R1247
1K
C1280
220P
C1281
330P
R1248
6.8K
VSS
VCC
VSS
VCC
VSS
VCC
GND
VCC
VO
DIGITAL CIRCUIT
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
TO
PANEL CIRCUIT
(CN904A) ON
SCHEMATIC
DIAGRAM-11
PANEL CIRCUIT
(CN904A) ON
SCHEMATIC
DIAGRAM-11
TO
SUB-TRANSFOREMER
CIRCUIT
(W702) ON
SCHEMATIC
DIAGRAM-12
SUB-TRANSFOREMER
CIRCUIT
(W702) ON
SCHEMATIC
DIAGRAM-12
C125
2
0.01
10K
C1910
0.1
<0V>
<0V>
<0V>
<-16.43V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<14.28V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<14.29V>
<-16.4V>
<0V>
<0V>
<0.14V>
<4.93V>
<4.94V>
<4.93V>
<4.98V>
<2.49V>
<2.49V>
<2.49V>
<0V>
<2.45V>
<2.45V>
<2.46V>
<0V>
<2.46V>
<2.47V>
<2.47V>
<4.93V>
<5.58V>
<7.67V>
<4.93V>
<7.53V>
<5.58V>
<4.96V>
<5.58V>
<6.22V>
<9.42V>
<4.96V>
<2.51V>
<0V>
1
2
4
6
5
3
CN402
CN901
CN401
GND
STB
CLK
DATA
-VSS
+VDD
S1 S2 S3
S4 S5 S6
S7 S8
15
16
17
21 20 19 18
24 23 22
28
27 26 25
14
10
9
11 12 13
8
7
6
5
3
4
2
1
IC401
C418
16V10
C483
100P
100P
R486
1K
C482
50V3.3
R404
1K
JK405
R416
1K
C412
100P
L CH
DVD
R CH
SUB WOOFER
OUT
AGND
1
2
4
3
8
7
6
5
IC402
CD
R CH
L CH
L CH
R CH
REC
(OUT)
JK402
TAPE
R CH
L CH
PLAY
(IN)
TV
R CH
L CH
JK404
VCR
L CH
R CH
R CH
L CH
CN1000B
RO
PB
JK406
R403
1K
R414
1K
R413
1K
R412
1K
R411
1K
R410
1K
R409
1K
R408
1K
R407
1K
R406
1K
R405
1K
R402
1K
R401
1K
R485
100K
100K
SW_OUT
C410
16V22
C409
16V22
R415
1K
C41
1
100P
R421
100K
R422
100K
C417
16V10
R418
47K
R417
47K
CK_9162
IFIN
DT_9162
TNR_CE
RDS
SD
TU_L
TU_R
+14V
R423
1K
C403
0.01
C401
50V4.7
R426
10K
R425
10K
C413
16V10
C415
0.01
R419
100K
100K
C416
0.01
R420
100K
100K
C414 16V10
SOUT_R
+14V
-14V
SOUT_L
C402
50V4.7
C404
0.01
R424
1K
R427
10K
C405
100P
100P
TU_L
-14V
STB_9162
CK_9162
DT_9162
+14V
TU_R
DT_9162
CK_9162
STB_9162
SW_MIX
VCR_RECMUT
MAIN_SLIN
MAIN_CIN
MAIN_SWIN
MAIN_SRIN
+14V
-14V
MAIN
_RIN
MAIN
_LIN
S-DET
TNR_CE
IFIN
+5.6V
RDS
OVL1
OVL2
SD
SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
JK403
L1
R1
C421
100P
100P
C422
100P
100P
C425
330P
330P
C426
330P
330P
C427
330P
330P
C428
330P
330P
C429
100P
100P
C430
100P
100P
C431
100P
100P
C432
100P
100P
C433
100P
100P
C434
100P
100P
C423
100P
100P
C424
100P
100P
VSS
VCC
: FM/AM SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
1
2
4
3
5
6
8
10
9
7
18
17
16
15
14
13
12
11
10
8
9
1
2
4
6
5
3
7
1
2
4
6
5
3
8
7
IC401
TC9163AN
SELECTOR
IC402
C0AABB000086
OP AMP
TO
PHONO EQ CIRCUIT (W402)
ON SCHEMATIC DIAGRAM-12
PHONO EQ CIRCUIT (W402)
ON SCHEMATIC DIAGRAM-12
TO
DIGITAL CIRCUIT (CN1000A)
ON SCHEMATIC DIAGRAM-3
DIGITAL CIRCUIT (CN1000A)
ON SCHEMATIC DIAGRAM-3
TO
PANEL CIRCUIT (CP901)
ON SCHEMATIC DIAGRAM-10
PANEL CIRCUIT (CP901)
ON SCHEMATIC DIAGRAM-10
TO
VCR CIRCUIT (W351) ON
SCHEMATIC DIAGRAM-14
VCR CIRCUIT (W351) ON
SCHEMATIC DIAGRAM-14
CP403
COM_R
GND
VCR_R
COM_L
GND
VCR_L
<0V>
<0V>
<0V>
<0V>
<7V>
<7V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<1.18V>
<14.3V>
<-16.53V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<-16.51V>
<0V>
<0V>
<0V>
<14.3V>
D725
D726
Q723
Q723
KRA102MTA
REGULATOR
R721
220
D732
B0AACK000004
Q725
Q725
KRC107MTA
REGULATOR
Q724
Q724
KRC102MTA
REGULATOR
D721
D727
D723
C722
0.1
D724
D722
C721
0.1
D728
R71
1
7.5K
C709
16V33
R714
39
39
R713
Q701
Q701
2SD237APQAU
REGULATOR
D708
MTZJ16CTA
D705
B0BA6R100003
Q708
2SB1548PQAU
REGULATOR
R708
1.5K
D707
B0BA03200003
Q704
Q704
KTC3199GRTA
REGULATOR
Q703
Q703
KTC3199GRTA
REGULATOR
R643 56K
R688
150K
150K
R687
R685
150K
D651
C621
100V33
C616
50V47
C617
100V2.2
R634
270K
270K
R633
47K
C618
1000P
C622
100V33
R605
220
C608
18P
R679 6.8K
R682
220K
R681
180K
D601
D602
R635
150K
R656
220
C685
0.01
D652
R684
270K
R610 47
L604
RLQYR73MW-E
R608 56K
R637
150K
R638
150K
C615
0.01
R632
180K
R629
1K
Q604
KRA102MTA
VOLTAGE SWITCH
D617
B0AACK000004
R622
6.8K
R621
6.8K
Q601
Q602
Q601-Q603
KRA119MTA
RELAY DRIVE
Q651
Q652
R623
6.8K
Q603
CN903
CN902
C758
16V100
W701
D601-D602
B0JAPG000008
D651-D652
IN5402BM21
D721-D728
1N5402BM21
HP_GND
W752
Q706
Q706
KTD863
REGULATOR
Q707
2SA1534ALA
REGULATOR
IC601
RSN310R37A-P
POWER AMP
R631
150K
R630
120K
120K
C643 18P
L603
RLQYR73MW-E
R729
680K
R728
680K
R730
8.2
SW_MIX
Q552
-14V
Q553
Q551 - 557
2SD1915FTA
AUDIO MUTING SWITCH
Q551
Q560
KRA102MTA
REGULATOR
Q560
Q556
SP_B
SC_SP
LIMITTER
DT_9162
CK_9162
STB_9162
L751
G0C101KA0030
G0C101KA0030
BU5.6V
HP_R
HP_L
REAL
Y
AC2
-27V
AC
SW_MUTE
AF_MUTE
SP_A
AC2
AC
RELA
Y
BU5.6V
R557
1K
C534
0.1
R549
8.2K
R546
100K
100K
SW_MUTE
-14V
SW_OUT
MAIN_SWIN C586
16V10
R586
47K
R596
2.7K
R556
1K
C533
0.1
R548
8.2K
R547
680K
680K
R544
100K
100K
D501
B0AACK000004
Q555
MAIN_CIN
MAIN_RIN
C585
16V10
R595
2.7K
R555
1K
R585
47K
R582
47K
R581
47K
R592
2.7K
R591
2.7K
R552
1K
R551
1K
C584
16V10
MAIN_LIN
MAIN_SRIN
MAIN_SLIN
C583
16V10
R584
47K
R583
47K
R593
2.7K
Q554
R594
2.7K
R553
1K
R554
1K
C535
0.1
R550
8.2K
R545
680K
680K
AF_MUTE
-14V
LIMITTER
+14V
+5.6V
S-DET
-27V
-14V
C652
63V33
C651
63V33
R654
1.8K
R653
1.8K
R674
4.7
C653
820P
820P
R655
220
C654
820P
820P
R671
82
C672
100V33
R657
56K
C657
10P
R672
47
C671
100V33
R658
56K
C658
10P
C668
1000P
C667
100V2.2
R683
47K
C666
25V100
C641
63V33
C602
63V33
C601
63V33
R642
1.8K
R604
1.8K
R603
1.8K
R647
220
R624
C603
100P
100P
C642
100P
4.7
R606 220
C604
820P
R724
1.2
Q708
C714
25V47
C713
0.01
R725
1.5K
R722
12K
C711
0.01
C712
50V10
R720
820
D731
B0AACK000004
C705
35V5600
R726
150
C707
35V100
R712
6.8K
C715
16V100
R705
4.7K
R723
1.2
R706
1K
R707
220
C708
0.01
C710
0.01
OVL1
SC_SP
SP_A
SP_B
Q651-Q652
KRA119MTA
RELAY CONTROL
C607
18P
R607
56K
R609
47
R615
680
R639
100K
100K
R640
680
SCHEMATIC DIAGRAM - 8
Q707
Q557
LS3
LS4
RS3
RS4
L4
L5
R4
R5
C4
C3
W3
W4
OVL2
MAIN CIRCUIT
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
1
2
4
6
5
3
8
7
1
2
4
6
5
3
8
7
9 10
1
2
4
6
5
3
8
7
9 10 11 12
1
2
3
-VD
+VD
IN1-
SGND
IN2-
VH+
AC
V
o2
+HOUT
GND
V
o1
-HOUT
VH-
RL
Y
SENS-
SENS+
NC(OPEN)
NC(OPEN)
DC
DISP
OVERDET
IHDET
IC651
1
5
6
4
3
2
7
8
9
10
12
11
13
14
15
16
17
18
20 19
21
22
IC601
DC
DISP
IHDET
AC
VO1
GND
-HOUT
VDLIM
RL
Y
SENS-
IN1-
SGND
IN2-
IN3-
P
ASS-
P
ASS+
SENS+
VH-
VO2
VO3
VH+
+HOUT
OVERDET
TTLPOWLIM
1
5
6
4
3
2
7
8
9
10
12
11
13
14
15
16
17
18
20 19
21
22
23
24
IC651
RSN313H25-P
POWER AMP
C706
35V5600
TO
TRANSFORMER CIRCUIT
(W752) ON
SCHEMATIC DIAGRAM-12
TRANSFORMER CIRCUIT
(W752) ON
SCHEMATIC DIAGRAM-12
TO
SUB-TRANSFORMER CIRCUIT
(W701) ON
SCHEMATIC DIAGRAM-12
SUB-TRANSFORMER CIRCUIT
(W701) ON
SCHEMATIC DIAGRAM-12
TO
PANEL CIRCUIT
(CP903) ON
SCHEMATIC DIAGRAM-10
PANEL CIRCUIT
(CP903) ON
SCHEMATIC DIAGRAM-10
TO
PANEL CIRCUIT
(CP902) ON
SCHEMATIC DIAGRAM-10
PANEL CIRCUIT
(CP902) ON
SCHEMATIC DIAGRAM-10
R719 33K
R718 33K
R718 33K
D733
D734
B0AACK000004
D735
B0AACK000004
<55.6V>
<-55.4V>
<0V>
<24.05V>
<-24.03V>
<0V>
<0V>
<0V>
<-12.32V>
<0V>
<-1
1.4V>
<-0.24V>
<0V>
<10.72V>
<-8.72V>
<0V>
<0V>
<51.1V>
<-50.4V>
<-9.34V>
<0V>
<0V>
<0V>
<55.7V>
<-55.5V>
<24.41V>
<0V>
<-24.37V>
<0V>
<0V>
<0V>
<-12.61V>
<0V>
<-1.67V>
<0V>
<10.52V>
<-9V>
<-9.64V>
<-36.92V>
<-6.35V>
<55.4V>
<-55.1V>
<-55V>
<0V>
<0V>
<0V>
<-16.37V>
<0V>
<0V>
<-16.36V>
<0V>
<0V>
<-16.36V>
<0V>
<-16.36V>
<0V>
<0V>
<-16.26V>
<0V>
<0V>
<-15.46V>
<0V>
<0V>
<5.47V>
<5.59V>
<-15.48V>
<0.73V>
<0V>
<0V>
<6.21V>
<14.22V>
<5.59V>
<15.49V>
<24.34V>
<6.8V>
<-31.86V> <-38.25V>
<-32.52V>
<14.27V>
<25.36V>
<14.81V>
<-17.27V>
<-16.74V>
<-25.67V>
<6.2V>
<0V>
<5.03V>
<0V>
<0V>
<24.57V>
<-24.74V>
<4.82V>
<-24.62V>
<4.76V>
<-24.87V>
<-0.71V>
<-0.77V>
<-7.44V>
<-0.74V>
<4.41V>
<-40.9V>
<0V>
<-9.61V>
<-0.55V>
<-9.38V>
<-0.29V>
<0V>
<-0.61V>
<-0.65V>
<-0.29V>
<-0.6V>
<24.8V>
+
-
-
+
+
-
-
+
+
-
C703
63V4700
D703
D704
D701
D702
C702
0.1
R699
1.8K
R614
1.8K
L602
RLQYR73MW-E
JK602
6
4
3
5
2
1
RL601-604
K6B2AHA00014
R791
12K
R792
12K
D611
B0AACK000004
6
4
3
5
2
1
RL603
D613
B0AACK000004
6
4
3
5
2
1
RL604
D614
B0AACK000004
W601
6
4
3
5
2
1
RL601
D605
B0AACK000004
C661
0.1
C66
4
0.1
JK603
E601
D612
B0AACK000004
R617
82
R CH
FRONT
SPEAKERS B
L CH
R CH
SURROUND
SPEAKERS
CENTER SPEAKER
L CH
D701-D704
1N5402BM21
R613
1.8K
Q605
Q605
KRA102MTA
VOLTAGE SWITCH
L651
RLQYR73MW-E
L652
RLQYR73MW-E
C704
63V4700
C701
0.01
R698
1.8K
R645
47
R793
12K
R795
22K
C612
0.1
C611
0.1
C644
0.1
R612
10
R611
10
R644
10
R627
100
C625
50V22
R628
100
C626
50V22
R625
100
R626
100
HP_L
HP_R
R661
10
R662
10
R664
47
R663
47
R616
82
R619
82
R618
82
R797
27K
R799
6.8K
R798
22K
R794
12K
SCHEMATIC DIAGRAM - 9
<-6.51V>
<0V>
<0V>
RL602
L CH
R CH
FRONT
SPEAKERS A
JK601
CN601
FRONT
SPEAKER A
CIRCUIT
SPEAKER A
CIRCUIT
MAIN CIRCUIT
C635
0.022
0.022
C637
0.022
0.022
C636
0.022
0.022
C639
1000P
C640
1000P
C614
0.1
C613
0.1
C645
0.1
C634
0.022
0.022
C633
0.022
0.022
C631
0.022
0.022
C632
0.022
0.022
C66
2
0.1
C663
0.1
D618
B0BA7R500006
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
+
-
-
+
3
4
1
2
3
4
1
2
1
2
3
W602
W600
W600
3
4
5
1
2
3
4
5
1
2
1
2
1
2
Q776
Q776
KTC3199GRTA
FAN MOTOR DRIVE
D773
B0BA8R200005
D773
Q772
Q773
Q773
2SB0621ARA
FAN MOTOR DRIVE
CP771
Q774
RVTDTA113ZST
FAN MOTOR DRIVE
Q774
Q780
Q780
KTA1267GRTA
FAN MOTOR DRIVE
D768
B0BA3R300010
D768
D769
B0AACK000004
Q775
Q781
D770
B0AACK000004
Q778
D771
D772
-B
E
D771-D772
D781-D782
D781-D782
RB721Q40T77
D781
D782
Q779
Q777
KTA1267GRTA
FAN MOTOR DRIVE
Q777
Q771
Q771
KTA1267GRTA
FAN MOTOR DRIVE
M
M771
FAN MOTOR
R780
3.9
R774
1.5M
C771
50V4.7
C772
50V4.7
R771
100K
100K
C779
16V100
C778
16V100
R779
10K
R778
4.7K
R773
10K
R775
330
R777
150K
150K
R786
150K
150K
R766
47K
R776
22
R767
150K
150K
C777
16V220
C775
16V10
D774
RB721Q40T77
C776
50V1
50V1
C781
0.01
C773
0.1
R784
150K
150K
R768
1K
R770
100K
100K
R769
10K
R782
39
C774
6.3V100
<0V>
<-8.44V>
<-2.46V>
<-0.09V>
<0V>
<-16.13V>
<0V>
<0V>
<0V>
<0V>
<0V>
<-16.27V>
<0V>
<0V>
<-16.21V>
<-16.63V>
<0V>
<-16.64V>
<0V>
<-16.6V>
<-16.61V>
<-16.55V> <0V>
<0V>
<0V>
<0V>
<-0.65V>
<-16.57V>
<-16.41V>
<0V>
<0V>
<0V>
<-10.64V>
C780
16V470
Q772
KTC3199GRTA
FAN MOTOR DRIVE
Q775
KRA102MTA
FAN MOTOR DRIVE
Q779
KTA1267GRTA
FAN MOTOR DRIVE
Q778
KTA1267GRTA
FAN MOTOR DRIVE
Q781
KTC3199GRTA
FAN MOTOR DRIVE
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