Technics SHEH-790-E Schematic
SCHEMATIC DIAGRAM-1
FL CIRCUIT
A
FL601(A2BD00000041)
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
R668
2.2K
:NEGATIVEVOLTAGELINE:POSITIVE VOLTAGE LINE
P28
P29
T 16ms.
T 16ms.
P27
4V
0V
-
30V
4.8V
0V
FL DISPLAY
P24
P21
P22
P23
P25
P26
T 16ms.
4.8V
0V
IC601
C2BBGF000434
SYSTEM CONTROL/
FL DRIVE
4.4V
1.2V
P20
C604
P19
1000P
29V
-
P17
P18
T 290
T 12ms.
F=4MHz
C614
R662
C605
29.1V
29V
-
-
P15
P16
4V
0V
-
30V
T 12ms.
16V10
1K
35V33
28.1V
-
P14
s.
3.4V
P-P
MA165TA
26V-26.8V
-
P13
4.8V
0V
D609
28.8V-25.3V-28.4V-28.8V-26.7V
-
P11
P10
P12
4.8V
0V
4.8V
0V
3.6V
P-P
F=4MHz
44 45 49 50 5348 54
npqr tmjihgfedba
D610
MA165TA
C625
6.3V100
P9
R664
330
C616
35V33
22.1V-18V
515253545556575859606162636465666768697071727374757677787980
P8
P6
P7
P5
P4
50
P3
49
P2
48
P1
47
LED VRG
46
LED VRO
45
LED MRG
44
LED MRO
43
LED 3DG
42
LED 3DO
41
LED SPG
40
LED SPO
39
LED DPL
38
LED SSS
37
SA DI
36
SA DO
35
SA CK
34
SA REQ
33
SYNC
32
BR93 CK
31
C612
R663
330
-
-
-
-
C627
22.2V
22.2V
22.5V
22.1V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
R682 0 R611 100
1.7V
1.7V
R610 3.3K
4.4V
1.3V
2.1V
R616 1K
16V22
16V22
t
C615
35V33
R667
R676
100K
R675 100K
R677 100K
R678 100K
R679 100K
R680 100K
R671 100K
R672 100K
R673 100K
R674 100K
R617
1K
47K
W
10K
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
R655
R
2.7V
Q602 Q603
O
Q
j
i
h
k
16
GND2
Vcc2
1
C620
50V0.1
m
H
1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 46 47
C613
C628
ABCDE
16V22
16V22
FG HI JKLMNOP WRSTUV YQXZ
G
-
27V
ABCDEFG
D652
MA165TA
-
22.5V
-
22.3V
-
22.5V
-
21.8V
-
22.5V
-
24.9V
-
-
1.2V
2.7V
3.2V
2.1V
1.9V
4.9V
1.7V
D654
D655
22V
27V
0V
0V
100
F
0
R686
E
O
Q
R
R614
1K
r
D
q
p
C626
R615 1K
0.047
R613
5.6K
HIJKLMNOPQR T VWXYZabde ghSU f ijmn pqr
MA165TA
MA165TA
21.9V-26.9V-26.9V-26.7V-29.1V-29.1V-29.1V-29.1V-28.2V-24.4V-29.2V-29V-20.9V-17.2V-19.6V-20.6V-20.4V
-
P30
P31
P32
P33
P34
81
7G
82
6G
83
5G
84
4G
85
3G
86
2G
87
1G
88
EE
V
89
CD & DECK DI
90
CD & DECK DO
91
CD & DECK CK
92
NC
93
CD REQ
94
DECK REQ
95
CD & DECK CS
96
AVss
97
VREF
98
REG IN0
99
REG IN1
T 16ms.
T 16ms.
C621
0.4V
15
PH OUT
VREF
2
50V0.1
10K
R654
4.7K
R653
4.7K
R652
Q602-604
2SC3311ATA
INTERFACE
C618
0.01
14
GND1
IREF
3
100K
R648
R637
820
47K
R657
1.2V
0.5V
R658
4.7K
C
ENB
IC602
M62457AFPE1
SPEANAAMP
C OUT
DIF OUT
4
100K
R649
0.1
C622
R638
R639
1.2K
1K
B
CNF
R661
D608
R656
R659
R650
22K
MA165TA
10K
4.7K
100K
R640
1.5K
MA165TA
A
A OUT
D607
Q604
0V
1K
R651
910111213
8765
Vcc
ANF
5V2.3V2.3V1.5V5V0V
2.5V2.5V2.5V2.5V2.5V1.5V2.4V
R641
1.8K
C623
0.1
0.5V
R642
2.2K
47K
R660
r
p
q
P
A
B
M
N
g
V
S
R612 1K
5.6V
5V
22K
R647
S614
(MULTIJOG)
D606
C619
MA165TA
0.01
FW601B
FW602B
Z
a
b
f
d
e
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
CD REQ
CS
S CLK
S DATA
DECK REQ
SYNC
FL2
FL1
SA DATA
SA CLK
CS/ REQ
D.GND
+B(5.6V)
SP INPUT
A.GND
DSP DIO
DSP CK
DSPACK
DSP RST
DSP SNS
DSP CS
B
To MAIN
CIRCUIT(FW601A)
on SCHEMATIC
DIAGRAM-5/40-A,B
B
To MAIN
CIRCUIT(FW602A)
on SCHEMATIC
DIAGRAM-2/9-H
S611
(JOY STICK)
R632
S603
OFF/ ON)
4.6V
()
S610
1K
(SUPER
SURROUND)
R631
S602
4.9V
1.9V0V
()
S609
820
(DOLBY
PRO LOGIC
220
R692
()
KEY1
KEY2
SP IN
SPA
SP B
SP C
SA CS
DSP RST
DSP CS
DSP SNS
DSPACK
DSP CK
DSP DO
DSP DI
JOGA
JOGB
CNVss
RESETNCNC
Vss
XIN
X OUT
VccNCNC
LED CFO
LED CFG
BR93 DATA
4.6V
L601
10 H
0V
0V
C602
6.3V1000
BR93 CS
S
T
U
g
V
R618
C610
100K
0.01
D603
1SS291TA
Q601
UN4211TA
RESET
4.7V
D601
1SS291TA
1SS291TA
D604
0V
C609
0.01
R609
C611
D605
2.2K
50V3.3
MA165TA
100K
R622
R623 100K
C
C607 470P
C608 220P
R604
B
C603
1000P
10K
R605
10K
D602
1SS291TA
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
0V
0V
0V
0V
1.5V
1.3V
R606 1K
4.8V
4.6V
0V
4.8V
R607 220
R608 220
4.8V
4.8V
R681 2.2K
4.7V
2.3V
R619
13
2
0V
2.3V
4.8V
4.8V
C606
470P
R601
W
1K
2.3V
R603 1K
R602 1K
nmk j i h f edba Z YX
2.3V
680
X601
(4MHz)
4.8V
5.6V
C601
0.1
A
S608
n
S601
(DISPLAYMODE)
TUCDEFGHIJKL
Q605,606
UN5211TX
LED DRIVE
220
R691
Q605 Q606
4.9V
0V
D617
SML79455C
(SUPER SOUND EQ)
R633
1.2K
D616
SML79455C
(CENTER FOCUS)
S604
R629
()
(SUPER SOUND EQ)
180
S612
(SUPER
3D AI EQ)
R634
1.5K
S605
(CENTER FOCUS)
D615
SML79455C
(VIRTUAL REAR
R635
1.8K
S606
SURROUND)
180
R628
SURROUND)
(VIRTUAL REAR
D614
SML79455C
S613
(SEATPOSITION)
R636
2.2K
S607
SURROUND)
(MULTIREAR
SURROUND)
(MULTIREAR
180
R627
0.01
C624
D613
SML79455C
(SEATPOSITION)
R626
R666
R665
180
47K
47K
321
YX
D612
LNJ301MPUJAD
(DOLBY PRO LOGIC)
180
R625
D611
LNJ301MPUJAD
(SUPER SURROUND)
180
R624
SH-EH790(E) FL CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-2
MAIN CIRCUIT
B
H
G
VCR(EXT)
F
E
DVD 6ch INPUT
D
C
B
SUB WOOFER OUT
A
OUT
IN
AUX (DVD)
FRONT
SURROUND
CENTER
SUB
WOOFER
E101
JK102
Lch
Rch
JK102
Lch
Rch
JK101
Lch
Rch
JK104
Lch
Rch
JK104
Lch
Rch
JK105
JK103
C131
C132
C133
C134
C135
C136
C137
C138
C139
C140
C141
C142
C143
R131
R132
100P
100P
100P
100P
100P
100P
100P
100P
100P
100P
100P
100P
100P
L101
A
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
0
0
R103
1K
100K
R101
R104
100K
R106
12K
R114
R115
8.2K
R116
8.2K
R119
R120
R126
8.2K
R128
1K
12K
5.6K
5.6K
R102
R105
12K
R113
12K
R125
5.6K
R127
R117
R118
R121
R122
100K
R107
R108
R111
R112
5.6K
5.6K
8.2K
8.2K
R123
R124
C109
16V10
1K
3.3K
3.3K
3.3K
3.3K
8.2K
10K
W
U
V
P
R203
2.2K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
V
EE
0.1
C212
0.1
VDD
C211
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R219
390
A
BC
4.7K
R255
0
R253
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V-10.4V
123 4 5 6 7 8
123 4 5 6 7 8
9.4V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
R254
0.01
C216
D201
R257
5.6K
0
5.6K
R258
0.01
C210
IC202
NJM4558MTE1
BUFFER AMP
1 2 3 4 5 6 7 8
14
15
16
5.7V 0V 0V 0V 5V 5V 5V
MA4056MTA
:NEGATIVEVOLTAGELINE
R256
4.7K
2.2K
R204
330P
C201
-10.4V
5 6 7 8
0V 0V 0V
C204
330P
R208
56K
330P
C202
-
9.4V
10.4V
13
R206
27K
R209
R207
82K
27K
C205
33P
C208
50V4.7
Vss
C207
50V4.7
1234
9.4V
C209
0.01
C217
0.01
-10.4V0V0V0V0V
B
C203
56K
330P
R205
0V 0V 0V
C206
33P
R210
82K
100K
R220
INHZ0Z1Y1 Y0
IC203
BU4053BCFE2
SIGNAL SELECTOR
A
X0X1VDD
12 11 10 9
NC
IC201
NJU7313AMT2
SIGNAL SELECTOR
NC
R213
2.2K
R214
2.2K
R212
2.2K
G
C
R211
2.2K
ST Vss
47P
C213
2.2K
R249
2.2K
R250
C215
C214
47P
47P
A
CKDATA
C402
0.01
L401
10 H
A
B
C
F
E
C
B
A
D
220
R405
100K
R404
B
C
G
H
I
J
K
L
X
Y
M
N
A
C
B
Q
R
S
T
R430
10K
To FL CIRCUIT(FW602B)
on SCHEMATICDIAGRAM-1/11,12-D
DSPACK
DSP CS
DSP SNS
DSP RST
8
EDFCBA
C404
6.3V47
R414
1K
R415
1K
R411
1K
R410
220
R409
220
R417
220
R408
220
R407
220
R431
10K
X401
(8MHz)
2
1
R403
680
3
R406
220
C401
C403
R402
0.022
0.01
100K
A.GND
SP INPUT
DSP DIO
DSP CK
234567 1
FW602A
IC401
C2BBFD000246
SYSTEM CONTROL
5.1V
Vcc
1
5.1V
VREF
2
AVss
3
0V
NJ ST
4
0V
ECK/ NJCK
5
0V
EDA/ NJDT
6
4.6V
DCS
7
0V
SENSE
8
4.8V
DACK
9
0V
DCK
10
0V
DDO
11
0V
DDI
12
NODSW3
13
5V
NODSW2
14
GND
15
0V
SW1
16
ECS
17
4.8V
RESET
18
2.2V
XIN
19
2.2V
X OUT
20
Vss EXP18
21
5.1V
F=8MHz
F=8MHz
1.7V
P-P
1.9V
P
A
A
42
B
41
INH
40
39
38
EXP26
37
0V
DO
36
5V
CK
35
5V
CS2
34
5V
RST2
33
5V
CS1
32
5V
RST1
31
EXP27
30
0V
EXP11
29
EXP12
28
EXP13
27
4.8V
EXP14
26
0V
EXP15
25
5V
EXP16
24
EXP17
-
P
23
5V
22
R419
100
R432
1K
C
H
4.7K
R429
4.7K
R426
AB
C
R424
1K
R425
4.7K
R421
100
D
C
B
E
R420
1K
R903
120K
O
F
E
D
SH-EH790(E) MAIN CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-3
MAIN CIRCUIT
B
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
FEDCBA
AB E D F G
A
R812
330
B
C
D
E
4.7K
R813
R815
C827
1K
R827
0
C819
C838
R825
680P
50V1
120K
50V4.7
C828
50V4.7
C829
50V4.7
C830
50V4.7
C831
50V4.7
C832
50V4.7
R816
1K
R817
1K
R818
1K
R819
1K
R820
1K
C833 6.3V47
C835
6.3V47
R824
120K
C816
0.1
C839
50V1
C834
6.3V47
680P
C818
R803
100
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
5.1V
5.1V
2.5V
2.5V
C815
0.022
NC
NC
NC
TST1
LIN4
65
LIN3
66
LIN2
67
LIN1
68
RIN4
69
RIN3
70
RIN2
71
RIN1
72
NC
73
GND AL
74
OUTL
75
VRAL
76
VDAL
77
VDAR
78
VRAR
79
OUTR
80
0.7V
P-P
F=36.8MHz
XO
VDX
XI
GND AR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1.9V
4.6V
1.9V
0.1
C804
GND
TST0
GND XNCGND A1
C820
NC
I2CS
/ ERR
F=36.8MHz
AI1
AO1NCAOT1NCVDA12
2.5V
2.5V
50V4.7
U
K
V
L
S
R811
4.7K
R814
100K
330
R809
R810 330
5.1V
5V
5V
0V
NC
IFDI
/CS
IFCK
IFDO
IC801
C2HBZC000010
DIGITALSIGNAL
PROCESSOR
2.6V
270
R804
2.3V
P-P
5.1V
5.1V
AOT2
2.6V
R805 270
/ RST
AO2NCAI2
2.5V
5.1V
DD
V
C821
R808 330
0.6V
DOUT
2.5V
50V4.7
2.5V
NC
DIN1
DIN0
GNDA2NCVRO1
2.6V
2.5V
C823
6.3V100
C822 6.3V47
330
R823
2.5V
414243444546474849505152535455565758596061626364
NC
NC
DIN2
VRINCVRO2
2.4V
C824 6.3V47
EBCI/ O
ELRI/ O
GND A4
2.5V
2.5V
GND A3
SYNC
GND R
V
DDR
NC
NC
AI4
AO4
NC
AOT4
NC
VDA34
AOT3
AO3
AI3
R821
2.5V
40
0V
39
0V
38
5.1V
37
36
35
34
33
32
C826
31
50V4.7
2.6V
30
29
5.1V
28
2.6V
27
2.5V
26
2.5V
25
C825
50V4.7
C803
1000P
330
C814
R806
C808
1
R898
R807
270
270
0.01
C812 0.1
0
0.01
C810
R830
4.7K
5.1V
L801
R829
2.2K
C811
0.022
C837
16V10
C836
16V10
22K
R834
L808
C813
R833
JI
10 H
5.1V
L802
0.01
G
22K
C
R857
C859
L814
R856
0
10K
50V4.7
C860
R852 1K
R851 1KC855 50V4.7
C856 50V4.7
L821
L822
2200P
C851
C852
2200P
2200P
R858
10K
R859
10K
R855
39K
C862
470P
R860
C858
0.1
56
5.1V
C853
16V10
C857
C864
6.3V47
C863 6.3V47
C861 560P
0.1
C854
16V10
R854
18K
5.1V
2.5V
2.5V
2.5V
4.3V
2.5V
2.5V
5.1V
5.1V
2.5V
2.5V
R890
10K
C870
6.3V100
0
R900
5.1V
BA1
BA0
I2CS
BOOT
NC
81
TST0
82
TST1
83
TST2
84
TST3
85
VDM
86
VRM1
87
MIN
88
M OUT
89
VRM2
90
GNDM
91
VSAL
92
LIN
93
AVRL
94
VDL
95
VDR
96
AVRR
97
RIN
98
VSAR
99
GNDX
100
XO
XI
VDX
GND AL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
2.1V
1.9V
4.8V
1
C865
R882 1M
2.5V
/ERR
AOL
2.5V
R863 560
IFOK
AOLT
0V
IFD0
VRLR
2.4V
2.5V
C899 6.3V47
IFD1
AILT
R888 330
5V
5.1V
R889 330
5V
IFCK
VDAR
2.5V
C866 50V1
/CS
AIRT
R873 330
2.5V
2.5V
2.5V
0.6V
DIN
GND
EBC0
EBC1
D OUT
IC802
C2HBZC000008
DIGITALSIGNAL
PROCESSOR
AORT
AOR
GND AR
GND AC
AOC
2.5V
2.5V
2.5V
50V1
C881
R864 560
G
2.5V
2.5V
C894
2.5V
ELR1
AOCT
2.4V
C883 6.3V47
0.022
ELR0
VRCS
2.5V
R874
5.1V
SYNC
AICT
2.5V
C886 6.3V100
330
DD
V
VRO
H
5.1V
5V
/RST
VRI
5.1V
2.5V
C887 6.3V47
C895
STEP1
STEP0
VDASC
AISLT
2.5V
R861
100K
0.022
2.5V
R871 270
EM1
AOSLT
EM0
AOSL
2.5V
C873 50V1
TST15
GND ASL
TP14
GND ASR
5.1V
DD
V
AOSR
2.5V
2.5V
R872 270
MCK
AOSRT
C896
TP13
AISRT
2.5V
C874 50V1
0.022
515253545556575859606162636465666768697071727374757677787980
GND
VDASR
5.1V
CK01
CK00
TP12
TP11
TP10
TP9
TP8
TP7
TP6
TP5
GND R
VDDR
TP4
TP3
TP2
TP1
TP0
FS
NC
NC
L806
C898
C897
0.022
6.3V100
50
49
48
47
46
45
44
43
42
41
40
39
5.1V
38
5.1V
37
36
35
34
33
32
31
R802
1M
X801
(36.8MHz)
R801
C801
220
12P
C805
C879
0.01
C877
R867
560
R868
560
C891
C892
0.01
6.3V47
R881
C893
100
0.01
C871
2200P
L811
C869
0.01
C872
2200P
R876
C884
270
2200P
5.1V
C867
50V1
C868
50V1
R891
2.2K
R892
2.2K
C
W PFG
L804
1
L807
C809
0.01
RG
R875
270
C882
C888
50V1
D
6.3V47
C880
0.01
2200P
R878
22K
R870
C876
R880
C878
270
50V1
2.2K
2200P
270
R869
50V1
C875
R877
22K
2.2K
R879
EF
5.1V
C806
C807
2200P
2200P
1.5K
R835
AB
R836
1.5K
C802
5P
SH-EH790(E) MAIN CIRCUIT DIAGRAM
13 14 15 16 17 18 19 20 21 22 23 24
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
B
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
:NEGATIVEVOLTAGELINE
50V4.7
A
Q301,302
2SD2144STA
MUTING
50V4.7
B
R312
1.8K
C
D
C301
C302
22K
Q301
R303
Q302
22K
R304
Q305
UN411FTA
MUTING CONT.
1.2V1.3V
0V
F
O
0V
0.6V
0.6V
0V
R317
Q309,310
2SD2144STA
ATTENUATOR
R374
0
N
22K
Q309
Q310
C322
16V10
R305
1K
R311
22K
R306
1K
C311
R337
0V
0V
R338
R334
16V10
390
470
56K
Q303,304
2SD2144STA
ATTENUATOR
Q306
UN411FTA
ATTENUATOR CONT.
1.1V 0.9V
100
R318
56K
R333
R335
1K
0.6V
R336
1K
0.6V
22K
R866
Q303
Q304
R309
0V
0V
R310
560
560
Q307
Q308
R322
8.2K
R345
1K
R346
1K
R313
3.9K
R307
1K
0.6V
R308
1K
0.6V
R314
3.9K
0V
0V
0V
12
R323
Q307,308
2SD2144STA
ATTENUATOR
12
R324
0V
0V
0V
Q313,314
2SD2144STA
ATTENUATOR
Q313
0V
0.6V
0.6V
0V
Q314
A
B
C
R328
560
R319
150K
C312
16V22
R327
560
R325
1K
R326
1K
R347
R348
2.2K
I
C303
50V4.7
0.01
C310
IC301
M5218AP
BUFFER AMP
50V4.7
1K
-
10.4V
5 6 7 8
C306
100P
C304
C313
16V10
IC302
NJM4558MTE1
BUFFER AMP
C314
16V10
C328
220K
R351
16V22
C329
16V22
220K
R353
C307
10P
C305
R315
100P
270K
0V 0V
0V 0V 9.4V
R316
270K
C308
10P
C309
-
10.4V
5 6 7 8
C316
100P
C320
16V10
D302
MA165TA
C327
0.033
D301
MA700ATA
10K
R352
L301
3.3 H
1234
L302
H
3.3
0.01
0
R372
0.01
C324
C321
16V10
C319
16V10
C317
5600P
C315
R329
100P
560K
0V 0V
1234
0V 0V 9.4V
R330
100K
C318
47P
R332
2.2K
R350
10K
R354
3.3K
C323
0.01
R331
2.2K
R349
12K
MA165TA
0.01
Q764
2SB621ARSTA
REGULATOR
5.1V
5.4V
C765
0.01
5.4V
D763
4.4V
D764
MA165TA
22K
R357
22K
R358
-
7.3V5V
R769
L502
1.2K
Q315
Q316
R513
6V
5V
Q765
C766
820
R359
0V
0V
820
R360
1K
0.6V
Q505
2SD2144STA
ATTENUATOR
Q507
2SD2144STA
ATTENUATOR
R518
2.2K
-
6.5V
9.4V
-
10.4V
A
B
E
G
9.4V
10.4V
-
D
E
T
Y
X
A
B
C
J
D204
MA719TA
D203
MA165TA
E
F
Q315,316
2SD2144STA
ATTENUATOR
C512
16V33
Q502
UN411FTA
ATTENUATOR CONT.
R514
100
C510
16V22
C771
1.1V 0.9V
Q506
UN411FTA
ATTENUATOR CONT.
5.1V
Q765,767
2SC3311ATA
STABILIZER
R773
1K
16V10
D767
MA4051MTA
R363
1K
0.6V
R364
1K
0.6V
R362
6.8K
R512
150K
C509
16V22
820
R517
0V
R519
150K
0V
R515
R520
22K
1.2K
R767
1K
Q766
2SA1309ATA
REGULATOR
6V
5V
Q767
R768
C768
16V10
R361
6.8K
IC303
NJM4558MTE1
BUFFER AMP
IC501
NJM4558MTE1
BUFFER AMP
C511
16V10
R501
1.5K
5.1V
5.4V
C767
0.01
5.4V
D765
MA165TA
4.4V
1.2K
D766
MA165TA
R766
1.8K
C344
16V10
Q501
UN411FTA
MUTING CONT.
0V
D762
RL1N4003N02
0.01
C772
C347
C343
22P
16V10
C345
R365
100P
180K
0V 0V 9.4V
5 6 7 8
-
10.4V
C346
C352
100P
0.01
0V 0V 9.4V
5 6 7 8
-
10.4V
0.01
C501
C504
100P
R507
C503
100P
100K
R508
2.7K
R506
C508
16V10
D771
MA4051LTA
1M
C507
50V0.47
R511
1M
Q503,504
2SD2144STA
MUTING
R367
470
R366
180K
C348
22P
R504
120K
C502
330P
C753
0.01
1234
1234
R761
Q761
2.2
7.2V 10.2V
7.8V
R762
Q762
2.2
7.2V
C773
10V220
9.4V
0.01
C762
Q763
2SD592AQRSTA
REGULATOR
C349
16V10
0V0V
R368
C350
470
16V10
0V0V0V
R503
1.2K
R772
1.2K
Q504
R502
1K
0.7V1.8V1.8V
R509
2.2K
0.7V
Q503
0.01
C505
C506
16V33
7.8V
10V
0V
10.2V
10.2V
R510
0V
C761
C
D
100K
R765
0.01
220
Q761,762
2SD2137PQTA
REGULATOR
0.01
C763
C764
10V220
0.01
C351
1K
R505
R764
820
D761
MA4082LTA
R716
820
C354
16V10
D304
MA719TA
D305
MA719TA
C356
16V10
D772
R774
C774
MA165TA
220
16V220
SH-EH790(E) MAIN CIRCUIT DIAGRAM
25 26 27 28 29 30 31 32 33 34 35 36
SCHEMATIC DIAGRAM-5
MAIN CIRCUIT
B
10.2V
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
:NEGATIVEVOLTAGELINE
D.GND A.GND+10V
CN202
CN201
E201
SYNC
1
CD REQ
2
CT.GND
3
CS
4
+B(10V)
5
D.GND
6
SCLK
7
DATA
8
DECK REQ
9
V.GND
10
TAPERch IN
11
TAPELch IN
12
RS A.GND
13
TAPERch OUT
14
TAPELch OUT
15
CD Rch IN
16
A.GND
17
CD Lch IN
18
NC
19
NC
20
TUNER Lch/ C
1
TUNER Rch
2
A.GND
3
Lch OUT
4
Rch OUT
5
+B(10V)
6
SUR L
7
SUR R
8
S.W
9
MIC
10
-B(-
11
V.GND
12
D.GND
13
CS/ REQ
14
CLK
15
DATA
16
CT GND
17
SH FL1
18
SH FL2
19
SYNC
20
10V)
ToCD CHANGER(SL-EH790) &
CASSETTE DECK(RS-DV290)
ToTUNER/AMPLIFIER(SA-EH790)
H
G
F
E
D
C
R763
0.33
GF
K
J
I
H
G
H
B
I
A
5.6K
R229
R230 5.6K
M
J
Q
A
B
C
D
E
A
B
C
D
E
F
R237 8.2K
R223
R224
R238 8.2K
22K
22K
R236
1K
R235 1K
R228
6.8K
R227 6.8K
C223
16V10
C224
16V10
R770
4.7
R771
1K
C228 100P
C232 100P
C231 100P
R240 1K
0.01
C769
R234
1K
R233 1K
C227 100P
C225 100P
C226 100P
R221
220
R222
220
Q768
2SC3940AQSTA
REGULATOR
9.9V 5.6V
6.3V
C754
C221
C222
C233
R239
0.01
CT
100P
100P
100P
47K
FW601A
+B(5.6V)
1
D.GND
2
CS/ REQ
3
SA CLK
4
SA DATA
5
FL1
6
FL2
7
SYNC
8
DECK REQ
9
S DATA
10
S CLK
11
CS
12
CD REQ
13
A
To FL CIRCUIT(FW601B)
on SCHEMATICDIAGRAM-1/11,12-G
-
10.4V
D770
C770
MA4062HTA
16V10
-10V
A
B
C
D
E
F
G
H
I
J
K
SH-EH790(E) MAIN CIRCUIT DIAGRAM
37 38 39 40 41 42 43 44 45 46 47 48
B
A
Note: This printed circuit board diagram may be modified at any time with the development of new technology.
FL P.C.B.
A
MAIN P.C.B.
B
H
J
IC203
C216
R206
IC202
8
R219
C226
R238
R235
J
J
R222
C221
C222
J
J
R763
J
J
R208
C206
R210
J
R234
C227
C228
R240
J
R233
J
J
R255
C215
C225
C773
8
5
1
R220
R249
C210
R257
J
J
J
R230
R228
J
J
J
J
R209
C205
C208
J
J
10
C232
E201
J
D761
E101
J
J
C217
C201
R205
45
C203
1
R250
J
J
C212
1
5
IC201
15
J
C231
C763
BCE
L302
J
J
J
J
R207
C207
J
R212
R211
C211
C214
C213
L301
Q761
R765
R764
R213
J
R203
J
Q763
E
C
B
J
J
J
R214
J
J
R204
30
25
20
16
D305
J
C224
R224
C223
R223
J
J
J
J
C310
4
C303
3
2
1
R315
C307
C305 C309
Q762
E
R716
C
B
C761
J
R258
J
J
IC301
R256
C356
R303
Q303
C762
D772
J
J
J
D304
C354
J
J
Q301
BCE
BCE
R309
R313
C306
R762
J
5
6
7
8
J
J
C301
R305
R307
R761
J
J
J
R316
J
J
J
L822
L821
J
J
J
C308
C764
R774
J
R824
J
J
C836
J
J
J
C859
R903
C856
C855
R892
R866
R322
J
J
C302
R306
Q302
BCE
R308
BCE
R310
R314
C304
C753
R772
C809
J
R891
R877
R879
J
J
R825
J
R834
C892
R857
C875
J
J
C837
R833
C893
R854
R851
R852
C867
C868
J
J
R304
Q304
J
C316
R330
C318
C774
R827
C852
C882
J
R374
R311
8
J
R835
R804
R805
J
C807
R836
C823
C822
C825
J
R830
J
R829
C810
L804
R856
J
C860
C854
J
R863
R881
C871
C865
R867
L811
R868
C872
C869
C884
R875
C879
R869
C876
C888
R870
R880
R878
J
J
J
J
C350
C349 C322
R372
J
Q308
R324
BCE
R328
R326
J
C324
C314
IC302
C323
C317
Q306
BCE
R319
C312
C769
R770
R771
L814
C838
C839
C806
C805
C808
C861
C857
R855
C853
C891
C899
C883
C877
C880
R432
R419
J
C512
C321
R323
BCE
45
1
R329
Q305
C820
C821
C824
R806
R807
R858
C863
R860
C851
R882
J
C886
R420
J
J
R325
C313
C315
BCE
R317
C311
BCE
100
C866
R425
R421
R331
R332
R354
R349
Q768
C835
24
25
C826
C813
C862
1
J
R426
J
Q307
R327
Q313
20
30
R859
95
5
R864
C881
C887
R424
R336
R335
C320
D302
R312
C802
C801
R801
C804
15
C812
C803
85
C858
90
C864
10
15
R876
C873
R429
Q310
BCE
R338
R334
J
BCE
R333
C319
BCE
C327
R350
R348
D301
R352
J
D771
D770
R802
X801
10
35
40
C811
R898
81
20
25
R871
R872
22
25
J
30
35
40
42
R358
R357
J
Q314
R347
R803
1
5
IC801
45
J
R823
R821
IC802
30
R363
R361
C343
Q309
R337
R345
BCE
R346
C328
C329
R353
J
C770
C834
41
80
75
C878
C874
IC401
Q315
BCE
C345
5
8
J
R351
J
C818
C816
R808
C814
R900
70
31
J
C351
C347
R367
J
80
50
R813
R888
35
R364
R359
IC303
R365
8
C505
L807
C833
65
R889
J
J
R318
75
55
R811
L802
C894
60
40
C897
C898
IC501
C819
70
60
J
J
55
50
45
21
20
15
10
5
1
C403
BCE
C352
R366
C348
R368
J
R820
R818
R819
65
64
C815
R814
L801
J
R873
51
R360
4
1
C501
C754
R817
R815
J
R874
C895
C896
L806
321
R403
R431
C404
R508
C504
R504
C502
R503
R816
R861
X401
R362
J
C346
C344
45
1
C832
C830
J
R890
C401
R402
R407
J
Q316
C511
C503
J
J
C829
C827
D765
C828
C831
R812
R810
L808
J
C870
J
J
R404
R411
R415
L401
J
Q505
R517
J
Q503
R506
R510
Q504
C509
Q501
BCE
C507
R507
C510
R511
BCE
Q502
R514
R501
Q766
Q767
D766
Q765
R809
J
J
R405
R430
C402
R406
R408
R417
R409
R410
J
Q506
B
C
E
R519
BCE
C508
R513
BCE
R509
BCE
C506
R512
R502
J
BCE
BCE
R767
BCE
J
D762
J
J
R414
R515
C772
R773
D763
D764
J
J
J
R518
R505
C767
R768
C768
R766
R769
C766
C771
B
C
E
Q764
J
J
Q507
B
C
E
R520
L502
FW601A
FW602A
1
2
3
4
5
6
7
8
D767
C765
J
J
J
J
J
1
2
3
4
5
6
7
8
9
10
11
12
13
FW602B
1
J
R616
1
2
3
4
5
6
7
8
9
R610
R617
J
J
C628
J
C624
R647
FL601
54
53
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
C613
J
S612
C626
J
R668
D601
C611
R667
C627
C615
D605
C616
C625
R664
C612
D610
R663
R622
J
J
R674
J
R673
R672
J
R671
R623
R679
R680
J
R676
R675
J
J
R678
R677
D652
D654
D655
55
60
65
70
75
IC601
80
81
85
90
95
R686
100
J
J
C604
R615
J
R612
R614
R659
D607
R658
BCE
Q604
R660
C621
J
R648
J
J
1
J
5
C622
J
8
R649
R650
S609
J
( )
R640
R639
2
3
4
5
6
7
8
G
F
E
D
C
SUPER
B
3D AI EQ
FW601B
10
11
12
13
D609
C614
J
51
R613
R661
D604
D603
C601
1
C603
R654
D608
R651
R638
R637
C609
R662
J
L601
R611
R609
50
10
5
R657
R653
R656
BCE
Q603
C618
IC602
S610
( )
S608
( )
J
Q601
BCE
C605
C602
J
J
J
J
J
J
J
45
40
20
15
R681
321
X601
R607
R655
C620
16
15
10
9
C619
C610
R682
35
25
R608
R606
C606
S611
( )
BCE
Q602
R603
S601
R618
J
B
E
B
E
Q606
J
J
J
J
J
J
J
31
30
J
R619
J
J
D613
R652
C608
D606
D602
C623
C607
(MULTI JOG)
J
Q605
D617
D616
D615
S614
J
D612
C
C
D611
D614
J
R601
R665
R631
R629
R626
R627
R628
3
2
1
R604
J
R692
J
S604
J
J
R605
R666
R624
S602
R691
S603
S605
S606
S607
S613
J
J
R641
J
R625
R642
R602
R632
R633
R636
R634
R635
DISPLAY
MODE
DOLBY
PRO LOGIC
OFF/ON
SUPER
SURROUND
SUPER
SOUND EQ
CENTER
FOCUS
VIRTUAL
REAR
SURROUND
MULTI REAR
SURROUND
SEAT
POSITION
DVD 6ch INPUT
FRONT
SURROUND
CENTER/
SUB
WOOFER
SUBWOOFER
OUT
(IN)
VCR (EXT)
(OUT)
AUX(DVD)
To CD CHANGER &
CASSETTE DECK
D.GND
A.GND
To TUNER/
AMPLIFIER
JK104
L
R
L
R
JK105
C
S
JK103
JK102
L
R
L
R
JK101
L
R
CN202
11
13
15
17
19
E
R132
E
E
C143
E
E
E
1
3
5
7
9
CN201
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
2
4
6
8
10
12
14
16
18
20
R131
J
R227
C137
C138
C109
R101
R103
R102
J
R115
R117
R118
R116
R119
R121
C139
C140
R120
R122
R125
R123
C141C142
R124
R126
L101
R127
R128
R105
R107
C133
R108
R106
C134
C131
R104
C135
R113
R111
R112
C136
R114
R229
J
D203
D204
J
R239
J
J
J
C132
J
J
J
J
J
9
10
15
16
D201
C202
C204
C209
R254
R253
J
J
J
J
J
J
J
J
J
J
J
R237
R236
J
J
J
J
R221
C233
J
J
J
J
A
(REP3073G-M)
-10V+10VCT
(REP3073G-M)
SH-EH790(E) FL,MAIN P.C.B.
123456789101112
13
ToCD CHANGER
& CASSETTE DECK
BLOCK DIAGRAM
SYNC
CD REQ
CT.GND
CS
+B(10V)
D.GND
SCLK
DATA
DECK
REQ
V.GND
TAPERch IN
TAPELch IN
RS
A.GND
TAPERch OUT
TAPELch OUT
CD Rch IN
A.GND
CD Lch IN
NC
CN202
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20NC
+B1
Q602
INTERFACE
Rch
Rch
Rch
Q603,
604
INTERFACE
VCR
(EXT)
AUX
(DVD)
IN
OUT
NJU7313AMT2
SIGNAL SELECTOR
2
(29)
3
(28)
4
(27)
5
(26)
7
(24)
8
(23)
11
(20)
10
(21)
LEVEL SHIFT
LATCH CIRCUIT
SHIFT REGISTER
IC201
X1
X2
X3
X4
X5
X6
X8
X7
DATA
17
V
VDD
VSS
1
EE
-B1
30
+B4
15
6
(25)
NJM4558MTE1
9
(22)
12
(19)
14
ST
CK
16
IC202
BUFFER
AMP
+B4 -B1
DVD 6ch
INPUT
CENTER
-B1
BU4053BCFE2
IC203
SIGNAL SELECTOR
7
VSS
3
5
12
13
8
Z1
Z0
X0
X1
SW CONT.
G
ABC
VDD
16
+B4
4
14
11 10 9
ANF
AOUT
PEAK HOLD
MCU I/F
A
1110
SPA
CNF
B
C
12 14
SP B
SP C
CD&DECK DI
CD& DECK CS
CD&DECK CK
CD&DECK DO
Vcc2
DECK REQ
REC L
M62457AFPE1
SPINP
2345678
C
OUT
DIF
OUT
IREF
I REF
GEN.
V REF
GEN.
VREF
1
Vcc/2
GEN.
SPE. ANALYZER AMP
CD REQ
IC602
SYNC
SH SYNC
SELECTOR
ENB
GND1
PH OUT
13
9
15
Vcc
D606
GND2
16
+B5
REC L1
DECK REQ
CD&DECK DO
95
91 90
DO
REQ
DECK
CD&DECK
SP A5SP B
4
CD&DECK DI
CD&DECK CK
92
DI
CD&DECK
CD&DECK
SP C
6
3
DA
CD&DECK CS
96
CK
CD&DECK
SP IN
CD REQ
94
CS
CD REQ
CLK
ST
SYNC
32
SYNC
S614
(MULTI
JOG)
15 16
JOG A
SYSTEM CONTROL / FL DRIVE
RESET
18
1G~7G
82~88
C OUT
JOG B
C2BBGF000434
100
KEY SWITCH
(S601~613)
IC601
REG IN1
47~80
Q601
RESET
+B5
SP IN
SP IN
SPA
SP C
SP B
1
MIC
KEY1
P1~P34
D652,654,
655
2
KEY2
REG IN0
99
FL601
FL DISPLAY
AVI6CH
D610
22 23
VEE
89
D609
STIAV
X601
(4MHz)
XIN
FL2
FL1
SPINP
CCHMIC
X OUT
TU LIC
SH-EH790(E) BLOCK DIAGRAM
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