Onkyo DX-7555, Service Manual

Page: 10 / 31

DX-7555
SCHEMATIC DIAGRAMS-2
DX-7555
A
1
2
3
4
5
B C D E F G H
P901
AS-CEE
S8004
1
4
5 2
3
4
3
2
1
T.F.
T902
NPT1451A
10
11
12
13
14
15
16
8
9
R4103
20K
L4001
1
2
3 4
5
6
R9103
2.2(1W)
R9102
1.0(1W)
R9101
1.0(1W)
JL9001
P7002
Q8101
6-BT-289GK
F11 1
F12 2
F21 45
F22 44
G1 41
G10 32
G11 31
G12 30
G13 29
G2 40
G3 39
G4 38
G5 37
G6 36
G7 35
G8 34
G9 33
P1 19
P10 10
P11 9
P12 8
P13 7
P14 6
P15 5
P2 18
P3 17
P4 16
P5 15
P6 14
P7 13
P8 12
P9 11
S9001
Q4011
OPAMP
3
2
1
Q4011
OPAMP
5
8
6
4
7
Q9002
NC
OUT VDD
VSS VSS2
P4001
JL9033
RL9001
R9202
0.47
R9203
0.47
L9001
NCH3564
1 2
3 4
T9001
NPT-1519GQ
1 4
5 6
8
9
P9013A
P9013C
P9003B P9004C
P9022
P9011
P9013
C4121
102
C4111
C4109
104
C4103
102
C4104
102
C9114
104
C9113
104
C9111
474
C9110
104
C9106
104
C9108
474
C9104
224
C8506
NC
D9106
RL1N4003
D9108
RL1N4003
D9105
D9104
D9103
D9102
RL1N4003
D9101
D8506
NC
JL4001B
P8003B
JL4001A
P8003A
P8001
Q8501
2SD1664
Q8502
2SD1664
D9107
UDZS5.1B
D8502
UDZS5.6B
D8501
UDZS27B
Q8503
2SA950-Y
X8601 12.50MHZ
C4101
220/16
C4102
220/16
C4106
47/50
C4105
47/50
C9112
2.2/50
C9109
6800/16
C9105
47/50
C8601
100/6.3
C8507
NC
C8501
100/50
C8101
47/6.3
C8504
C8502
100/50V
C4108
102
C4107
102
C9107
472
C9103
472M
C9102
472M
C9101
472M
C8102
104
C9115
472M
C8503
273
C8806
104
C8805
220
C8804
220
C8803
220
C8702
220
C8701
220
C8602
104
U8001
GP1UM27XK0VF
C8401
104
C8402
104
C8103
104
Q8401
RN1404
Q4002
RN1441
Q4003
RN1441
Q9001
DTC123JS
D8401
SML-512UWT88
R4102
22
R4101
22
R8402
NC
R8401
1.8K
R8403
NC
R4113
390
R4112
390
R4111
220K
R4110
220K
R4107
4.7K
R4105
10K
R4109
10K
R4104
10K
R4106
4.7K
R4108 10K
R9206
18K
R9204
8.2K
R9205
27K
R9201
10
R8504
470
R8702
10K
R8701
10K
R8704
10K
R8706
10K
R8705
10K
R8703
10K
R8708 2.7K
R8709
2.7K
R8801
2.7K
R8800
2.7K
R8802
4.7K
R8803
4.7K
R8903
0
R8902
0
R8991
0
R8206
0
R8600
1M
R8508
100K
R8503
470
R8116
0
R8117
47
R8111
390
R8112
470
R8201
390
R8101
390
R8102
470
R8502 10K
R8501
10K
R8506
220K
R8507
47K
R8505
4.7K
R8601
0
R8707
10K
R8606
47
R8605
47
R8603
47
R8604
47
R8602
47
S8002 S8003 S8001 S8202 S8201
S8102 S8103 S8101
Q8601
-VDISP 60
10G 11G 12G 13G 14G
1G
2G 3G 4G 5G 6G 7G 8G 9G
AVDD
24
AVSS 18
DIGI_OFF_LED
2
8
DSC_IND_LED1
29
DSC_IND_LED2
30
DSC_IND_LED3
31
FIP13
FL_HSW
26
IC 5
INTP_0 15
I_P22 12
I_P23 11
K0
22
K1
21
K2 20
K3 19
P1
P10 53
P11 52
P12 51
P13 50
P14 49
P15 48
P16 47
P17 46
P18 45
P19 44
P2
P20 43
P21 42
P22 41
P23
40
P24
39
P25
38
P26
37
P27
36
P28
35
P29
3
4
P3
P30
33
P31
32
P36 P4
71 70 69 68 67 80 79 78 77 76 75 74 73 72 66 64 63 62 65 61
P5 58
P6 57
P7 56
P8 55
P9 54
SO_3 13
SUBCL 7
SUBREEST 6
SUBREQ 10
SUBSI 8
SUBSO 9
TI 17
TRAYBRIGHT 16
TRAYLED2
27
TRAYLED_1 14
VDD1 1
VDD_0
25
VDD_2 59
VSS0
23
VSS1 2
X1 3
X2 4
FL_ON/OFF
JOG_B
JOG_A
KEY_0
KEY_1
FL_ON/OFF
SW-VP
KEY_2
P15
P14
P13
P12
P11
P10
P9 P15 SW-VP
P8 P14 LED_8
P7
P13 DSC_IND_LED3 SUBREQ SUBREQ
P6
P12 SUBREQ SUBSO SUBSO
P5
P11 SUBSO SUBSI SUBSI
P4 P10 SUBSI SUBCL SUBCL
P3
P9 SUBCL
P2
P8 SUBRSTIN SUBRSTIN SUBRSTIN
P1
P7
P6
P5 +B[SUB]
VP_ACH
13G
F1_IN
12G
F2
11G
GND
10G
KEY_0_EV_CHK
9G
KEY_0_EV
8G
7G
STABY_LED
6G
+5EV
5G
REMSENS
4G
3G
2G
1G
FL_ON/OFF
F1_IN
F1_OUT F1_OUT
F2 F2
KEY_0
JOG_A
JOG_B
+5EV
KEY_1
STABY_LED
GND
REMSENS
KEY_0_EV
KEY_0_EV_CHK
GND[SUB]
KEY_0_EV
RNF
ROUT
R-IN
HP-B HP+BOUT
HP-GND
HP+B
HP-BOUT
HP-GND
HP-MUTE
HP-MUTE
HP-MUTEGND HP-MUTE GND
P_ON
HP-R
SUB_GND HP-GND
HP-L
L-IN
P_OFF
LOUT
LNF
RED
AS-JA
AS-UC-2
AS-CCC
NAETC-8653
NAETC-8652
NAETC-8651
STANBY_LED
NAPS-8648
NAPS-8646
NAPS-8647
NADIS-8650
PLAY
OP/CL
STANBY
PAUSE
STOP
FR
DISP
FF
ENTER
DOWN
UP
MAIN_MICON
J9103(R9104)
2.2(1/2W)
<MDC ONLY>
U06 : DISPLAY CIRCUIT PC BOARD NADIS-8650
U04 : POWER TRANSFORMER PC BOARD
NAPS-8647
U03 : POWER SUPPLY CIRCUIT PC BOARD
NAPS-8646
U09 : HEADPHONE AMP. PC BOARD
NAETC-8653
U08 : HEADPHONE JACK PC BOARD
NAETC-8652
U07 : STANDBY LED PC BOARD
NAETC-8651
U05 : POWER SWITCH PC BOARD
NAPS-8648