Panasonic SAHT-400-P Service manual
JK404
VCR RO
JK402
CD
JK405
DVD
JK403
TV
JK402
TAPE REC
(OUT)
JK403
TAPE PLAY
(IN)
FROM IC901
IC351,IC352,IC353
C1AA00000647
VIDEO SELECTOR SWITCH
DT SEL
TUNER
MODULE
6dB
AMP
CK SEL
3(26)
2(27)
4(25)
5(24)
6(23)
7(22)
8(21)
9(20)
10(19)
11(18)
IC401
TC9163AN
SELECTOR
Latch circuit
Shift register
X2
X1
X3
X4
X6
X7
X8
Level shift
X5
STB
CLK
DATA
JK302
TV MONITOR
OUT
12(17)
13
15
16
IC402
C0AABB000086
OP
AMP
ST SEL
SOUT_L
IC302
C1AA00000123
VIDEO SELECTOR SWITCH
CK SEL
DT SEL
JK351
TV MON OUT
JK351
TV IN
JK351
DVD IN
Y
CB
CR
Y
CB
CR
Y
CB
CR
CTRLA
CONTROL
CTRLB
VIN1
4 5 6 7
Q351
REGULATOR
IN1
12
IN2
3
IN3
1
DRIVER
VOUT
1 2 3 8 9
JK352
TV MONITOR
JK351
DVD
JK352
VCR1 OUT
JK352
TV
(4 INPUT 1 OUTPUT)
GND
VIN2
+B
C1
2
VIDEO SWITCH
VCC
VIN3
13
C3
C2
4
VIN4
IC351
NJM2279MTE1
VIDEO SELECTOR
11
C4
O2
5814
D354
D353
+B
10
O1
-V
Q352
REGULATOR
-B
JK301
VCR1 IN
JK301
DVD IN
JK302
TV IN
D302
12
3
D301
12
13
IN1
IN2
IN3
1
1 2
IN3
IN2
3
IN1
C3
C1
2
C1
C3
13
11
C4
C2
4
4
C2
C4
11
10
O1
O2
5
5
O2
O1
10
VIDEO B
VIDEO A
IC301
C1AA00000123
VIDEO SELECTOR SWITCH
DIGITAL
JK1301
TV
(OPTICAL)
JK1303
DVD
(OPTICAL)
JK1302
(COAXIAL)
SW_DSP
OP
AMP
IC1203
C0ABBB000127
MAIN_LIN(R)
L_LPF(R)
L_DSP(R)
SOUT_L
+B
40
19
+VA
42
RX1
43
RX2
44
RX3
IC1002
C0FBZJ000004
DIGITAL ANALOG CONVERTER
17
+VD
FILT
26
A OUT6
AINL+(AINR+)
A OUT1(2)
21(22)
10(13)
IC1201
NJM2060MTE1
OP
AMP
IC1521(IC1522)
C0ABBB000102
OP
AMP
X1001
(12.288MHz)
IC1006
SNAHC1U04DBV
OSCILLATOR
IC1005
SN74HCU04APW
INVERTER
25 SCLK N1
26 LRCLK N1
22 SDATA N1
30
31
28
XTI
Q1001
SWITCH
(DSP:OFF)
DSP_OFF
IC1001
C2HBZZ000008
DTS DECODER DSP
CMP DAT27
CMP CLK28
CMP REQ29
CLK IN
CLK SEL
COMPRESSED
DATA INPUT
INTERFACE
RECEIVER
DIGITAL
AUDIO INPUT
INTERFACE
CCLK
CDOUT
3 4 5 6
CCLK
CD OUT
CSRST
SPDIF
PLL
CLOCK MANAGER
CS
PDN
CDIN
8
CD IN
CS42
RESET
CS49
MCLK
IC1003
SN74LV244APW
CONVERTER
7
6 4
SCDIN
SCCLK
FRAMER
SHIFTER
INPUT
BUFFER
CONTROLLER
RAM
OUTPUT
BUFFER
SDOUT1
CLKOUT
LRCK
SCLK
36
31
37
38
30
3618
CS
EMWR
RESET
PARALLEL OR SERIAL HOST INTERFACE
DSP PROCESSING
RAM
PROGRAM
MEMORY
ROM
PROGRAM
MEMORY
OVL/ERR
OVL/ERR
24-bit
STC
9
8~11,
14~17
AIN3R
14
MEMORY
MEMORY
+B
DATA0~7
RAM
DATA
RAM
DATA
AIN1L
AINAUX
15
CMOUT
SDIN3
32
16
IC1004
SN7AHCT244PW
CONVERTER
19 21205
EMOE
RAM
OUTPUT
BUFFER
SCDOUT
AOUT5
AOUT3(4)
SDIN233SDIN1
34
INTREQ
EXTMEN
OUTPUT
FORMATTER
25
23(24)
MCLK
SCLK
LRCLK
AU DATA0
AU DATA1
AU DATA2
XMT958
INTREQ
SCD OUT
AUX0
AUX1
AUX2
AUX3
44
43
42
41
40
39
3
MCLK
SCLK
LRCK
AUX0
AUX1
AUX2
AUX3
LRCK
SCLK
FILT2
32
+B
AGND
FILT1
33
VA
34
35
+B
JK1341
DVD
C_CH
SW_CH
LS_CH
IC1301,IC1302
NJM2060MTE1
IC1451
C0ABBB000127
OP
AMP
IC1230
NJM2060MTE1
OP
AMP
OP
AMP
SL_IN
CIN
L_DSP(R)
IC1401
C0JBAS000175
HIGH BREAKDOWN
VOLTAGE ANALOG
FUNCTION SWITCH
L12
L2
3
4
5
6
7
8 L5
9
10
11
12
14
L-COM1
L3
L4
L-COM2
L6
L-COM3
L7
L-COM4
ST
LATCH CIRCUIT
LEVEL SHIFTER
CONTROL
CIRCUIT
LATCH CIRCUIT
R-COM1
R-COM2
LEVEL SHIFTER
R-COM3
R-COM4
DATA
SL_IN
R1
29
28
R2
27
(26)
R3
25
R4
24
23
R5
R6
22
21
20
R7
19
17
16
CK
RCH
ST SEL
CK SEL
SW_DSP
DT SEL
L_OUT(R)
CSRST
RESET
CS49
OVL/ERR
Q556
AUDIO
MUTING
SWITCH
95
CS49326_RESET
94
CS4226_RESET
93
CS49326_CS
29
CS4226_OVLERR
Q560
REGULATOR
D501
+B
M
Q557
AUDIO
MUTING
SWITCH
TO TUNER
MODULE
10,9
SD,
IF DATA
11,47,48
TNR_CE
(REMOTE SENSOR)
TC916X_TNR_DT
TC916X_TNR_CLK
REMOTE
31
Z901
46
TC916X_STB
DSP_OFF
19
DSP_PASS/DSP_OFF
CD OUT
27
28
CS4226_CDOUT
36,43
CS42
30
CS4226_CS
LED
INTREQ
SCD OUT
90
CS49326_INTREQ
CS49326_SCDOUT
D938,D940,D944
CD IN
91
92
CS49326_CDIN
CCLK
VIDEO B
99
CS49326_CCLK
100
VIDEO B
VIDEO A
VIDEO A
54
SUBW_MUTE
IC901
C2BBGF000334
MICROCOMPUTER
SL_IN
CIN
IC1402
TC9482F
VOLUME CONTROL
SW_IN
22
21
C_IN
7
8
9(20)
SL_OUT(SR_OUT)
10(19)
SL_IN(SR_IN)
11(18)
4(25)
L_IN(R_IN)
5(24)
12
CS1
1 dB
VR
LATCH
8 dB
VR
LATCH
1 dB
VR
LATCH
8 dB
VR
LATCH
1 dB
VR
LATCH
8 dB
VR
LATCH
1 dB
VR
LATCH
8 dB
VR
LATCH
SHIFT REGISTER (32 BIT)
LEVEL SHIFT CIRCUIT
CK
14
STROBE GENERATE
CIRCUIT
DATA
15 16
STB
4 TO 13
DECODER
SW_OUT
C_OUT
3 TO 7
L_OUT
(R_OUT)
CS2
DECODER
17
23
6
3(26)
L_OUT(R)
Q553(Q554)
AUDIO
MUTING
SWITCH
IC1452
NJM2060MTE1
OP
AMP
PASS+
19
23
SGND
IN2-
22
L_LPF(R)
Q551
(Q552)
Q555
MAIN_LIN(R)
AUDIO
MUTING
SWITCH
AUDIO
MUTING
SWITCH
M
14
SENS+
2
VH+
D651
5
+HOUT
VO2
-
+
4
+B
IC1231
C0ABBB000127
OP
AMP
Q901
14
18
TC9482_CLK
RESET
15 16
TC9482_DT
HOLD
32
Q902
HOLDHOLD
D904
TC9482_ST
+B
IC901
C2BBGF000334
MICROCOMPUTER
FILTER
D667
D668
-B
8
THERM/OVLD2
IN3-
24
PASS-
20
VDLIM
17
9
GND
12
DISP
IHDET
13
IC651
RSN310R36A-P
HIC
FILTER
-
+
DET
OVER
10
(INPUT SELECTOR)
VR901
34
35
SEL_ENCD_1
SEL_ENCD_2
1
VO3
D652
-HOUT
6
3
VH-
SENS-
15
16
RLY
11
DC
AC
8
XIN
XOUT
22
23
CF901
(VOLUME)
VR902
25
VOL_ENCD_1
-B
26
VOL_ENCD_2
IC601
RSN310R36A-P
HIC
PASS+
19
23
SGND
IN2-
22
14
SENS+
2
VH+
FRO
D601
5
+HOUT
VO2
-
+
4
+B
FILTER
AMUTE
CEN
SURR
FILTER
FILTER
FILTER
Q604
VOLTAGE
SWITCH
D617
1
IN3-
24
20
17
9
12
13
PASS-
VDLIM
GND
DISP
IHDET
+
DET
OVER
10
D605
VO3
-HOUT
SENS-
D602
6
3
VH-
15
16
RLY
11
DC
AC
8
-B
FILTER
Q652
RELAY
CONTROL
Q651
RELAY
CONTROL
CEN
DET
SURR
SP_B
S/C_SP
FRO
SW
DET
KEY
SEG 19
60~78
45
LIMITTER
SEG 1
FL DISPLAY
FL901
DEG 1
79~88
7
THERM/OVLD1
DEG 10
FILTER
IC901
C2BBGF000334
MICROCOMPUTER
FROM POWER
TRANSFORMER
KEY SWITCH
1,2
KEY1
KEY2
AF_MUTE
SP_B
S/C_SP
SW
KEY
M
53
50
49
AMUTE
SP B
S/C SP
Q1681
(Q1682)
HP MUTING
Q605
RELAY
DRIVER
Q601
Q602
RELAY
DRIVER
RELAY
DRIVER
D612
D613
D611
D614
RL602
RL603
RL601
RL604
RCH
Q771~Q781
HEADPHONES
FAN MOTOR
DRIVER
HP601
+
JK603
CENTER
SPEAKER
+
JK604
SURROUND
SPEAKER
+
JK603
FRONT
SPEAKER
+
JK604
SWITCH
CHANNEL
-B
M
Q754
REGULATOR
Q751
RELAY
DRIVER
D755
D701~D704
+B
Q707,D707
REGULATOR
IC1701
BA25BC0FP
REGULATOR
Q701,Q703,Q704
REGULATORREGULATOR
Q708,D708
REGULATOR
Q706
+B
-B
+B
+B
+B
REGULATOR
Q725
REGULATOR
Q724
REGULATOR
+B
Q752
REGULATOR
Q723
Q1701~Q1703
REGULATOR
REGULATOR
Q753
D721~D728
TO FL DISPLAY
D741~D744
D751~D754
F3
F4
AC1
AC2
F5
FAN MOTOR
T701
POWER TRANSFORMER
T751
SUB
TRANSFORMER
Z751
RL751
F1
JK791
L701
AC IN
JK792
AC OUTLET
(SWITCHED)
F6
E601
SIGNAL LINES
: MAIN SIGNAL LINE
: CD SIGNAL LINE
( ) INDICATES THE PIN NO. OF THE RIGHT CHANNEL
: PLAYBACK SIGNAL LINE
: RECORDING SIGNAL LINE
: FM & AM SIGNALS LINE
C2BBGF000334 (100P)
C2HBZZ000008 (44P)
C0FBZJ000004 (44P)
1
RSN310R36A-P
TC9482F (28P)
C0JBAS000175 (30P)
NJM2060MTE1 (14P)
C1AA00000647 (14P)
NJM2279MTE1 (14P)
C0ABBB000102
C0AABB000086
C0ABBB000127
5
8
4
1
SNAHC1U04DBV
C1AA00000123
8
14
1
KTC2026
B
C
E
B1GDCFJN0001
1N5402BM21
B0JAPG000008
MA2C167A0E
Ca
A
Anode
7
Cathode
TC9163AN
28
1
KRC107MTA
2SD1915FTA
KTA1267GRTA
B
C
E
KTC3199GRTA
RVTDTC143ZST
B
C
E
1SS291TA
1SR35400V
MTZJ16CTA
B0BA5R600016
B0BA03200003
B0BA6R600008
B0BA6R100003
B0BA7R500006
B0AACK000004
15
BA25BC0FP
14
2SK2880CTA
D
G
S
2SA1534ALA
E
C
B
B0BA8R200005
B0BA4R000003
B0BA3R300010
B0BA01100004
RB721Q40T77
SN74LV244APW (20P)
SN7AHCT244PW (20P)
SN74HCU04APW (14P)
1
2SB1548PQAU
2SD2374PQAU
B
C
E
KRA102MTA
KRC102MTA
KRA119MTA
B
C
E
Ca
Cathode
A
Anode
2SB621ARSTA
E
C
B
2SB621AQSTA
2SD592AQSTA
E
C
B
B0ACCK000005
UDZSTE176R2B
UDZSTE175R6B
RVTDTA113ZST
B
C
E
KTD863
B
C
E
SLR325MCT31
B3ACA0000063
Anode
Cathode
A
Ca
ABCDEFG
1
DIGITAL P.C.B (REP3350A-T) (SIDE:A)
JK1341
2
3
4
12345
R1341
R1345
R1351
R1353
C1348
C1261
R1261
C1281
R1247
C1280
R1248
C1457
R1461
C1238
C1241
C1241
R1238
R1239
C1239
C1240
C1236
C1235
R1233
R1260
R1467
C1341
R1356
R1459
C1243
R1232
C1233
R1354
IC1231
C1253
R1241
C1234
R1231
C1223
IC1301
14871
C1349
C1456
R1481
R1243
C1231
C1232
7
6
C
SRSL
C1342
R1342
R1361
C1351
R1358
C1252
1458
R1470
R1484
78
R1468
IC1452
14 1
1
C1481
J102
R1462
C1455
C1242
R1460
R1245
R1244
R1242
C1247
R1240
R1235
C1454
R1456
R1458
C1453
S/W
C1205
C1344
C1343
R1344
R1343
R1348
R1346
R1347
C1345
87
R1359
IC1302
C1260
R1249
R1252
1
C1244
R1457
R1455
R1357
R1469
R1463
C1245
R1404
C1451
IC1451
R1350
R1349
R1352
C1347
C1346
C1352
R1360
R1355
C1350
R1234
114
C1237
R1236
C1250
C1251
R1250
C1484
R1251
R1237
C1480
C1460
C1458
C1459
R1465
R1466
C1246
8
R1408
R1464
R1480
C1483
R1483
415
R1453
R1451
R1452
R1454
C1452
C1410
3
JK351
C354
R351
IC1203
C1206
R1206
C1207
R1205
C1210
C1222
R1407
14
R1211
C1212
R1207
R1208
C1209
C1208
C1201
C1217
C1224
C1220
C1218
C1214
C1219
1234567891011121314151617
CN1000A
C1406
R1409
C1408
R1411
J101
IC1402
15
C1412
R1413
R1414
C1407
C1411
C1413
R1225
8
IC1201
R1214
C1414
JK352
2
V/O V/I
1
45
C351
R1202
1
C1221
C1202
R1201
R1203
R1209
C1203
R1210
C1211
C1204
R1204
R1218
7
8
R1215
R1406
R362
C1216
114
R1216
R1213
C1213
R1212
C1215
R1219
18
R1523
R1402
R1403
C1704
C1524
C1415
1
R1702
R1412
28
C1405
C1403
R1405
C1401
R1410
R1415
C1409
3
J103
R361
C363
C362
R360
C360
C361
R1217
R363
C1526
C1532
R1529
R1703
D1705
R1705
C1701
R1706
B
R1701
C
Q1701
E
C1706
C1404
C1402
7
R352
D351
D352
R1526
IC1522
14
58
Q1702
IC1701
6
T/O
C352
E
C
B
E
C
B
CN702
B
C
E
321
5421
T/I
R353
R364
C356
Q351
C358
814
IC351
C359
Q352
C357
R1531
C1533
R1530
C1530
C1527
C1528
R1528
R1527
C1531
C1529
C1702
B
R1707
C
E
C1703
R1704
CN904B
1234567891011121314151617
3
1
JK1302
DGND
O/P
2
L1304
D353
C355
R356
17
C1523
R1521
R1522
R1525
C1521
R1524
C1525
C1522
Q1703
C1705
JK1303
321123
354
C1307
R1309
R1308
C1309
21
C1308
R1307
D354
C353
R355
R1943
R354
R357
R358
R359
R1942
R1945
R1933
R1932
R1934
J120
R1929
Z1304
C1053
R1065
R1064
R1049
R1063
R1062
R1916
R1069
R1068
R1930
C1052
C1051
R1061
R1060
C1070
R1059
R1058
R1057
R1056
L1004
R1928
C1911
18
Z1308
VCC
C1304
R1931
R1050
R1067
R1066
C1050
C1049
12
C1048
22
R1055
C1910
C1909
R1304
R1305
C1305
1
2
3
4
5
6
L1001
C1046
R1051
R1052
C1047
C1045
11
IC1002
23 33
C1011
C1801
C1009
JK1301
DGND
O/P
VCC
L1303
R1302
C1303
R1301
C1313
R1306
C1306
R1303
C1301
C1302
C1314
J104
J105
C1312
C1311
R1311
C1315
C1316
R1312
R1313
R1310
CN354
C1026
J107 J106
C1007
R1025
28
C1030
29
C1008
C1031
R1028
C1004
C1029
R1029
C1802
R1027
L1002
39
40
R1038
R1037
R1054
R1039
IC1004
R1053
R1048
C1044
R1040
10 1
R1046
R1043
R1044
R1045
44
R1041
C1041
C1043
34
R1042
C1042
Q1001
2
1
Q1001
C1010
R1032
C1039
R1047
L1003
J108
C1003
C1005
IC1001
1
C1025
R1023
2011
C1034
R1033
C1032
3
8
14
IC1005
X1001
C1024
R1022
R1021
18
17
R1020
R1012
R1013
R1014
R1015
R1016
R1017
R1018
7
R1019
6
R1024
IC1003
110
11 20
R1036
C1038
R1035
C1037
R1034
C1040
C1006
C1036
IC1006
1
5
C1027
C1035
4
3
C1028
R1026
C1033
R1031
7
R1030
1
5
DIGITAL P.C.B (REP3350A-T) (SIDE:B)
6
7
IC1521
41
5
8
8
1516
IC1401
30
9
1
8
14
7
IC1230
1
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