PROTECTION DIAGRAM
Q6016
KTC3875S
Q6019
KTC3875S
Q6015
KTA1504S
R6018
10K
Q6014
KTC3875S
R6032
100K
330/10
C6013
R6022
15K
R6040
100K
R6020
3.3K
Q6018
KTA1504S
Q6020
KTC3875S
Q6010
KTC3875S
R6055
100K
47/25
C6006
R6038
15K
330/10
C6009
Q6021
KTA1504S
Q6012
KTC3875S
C6016
0.1
Q6013
KTC3875S
Q6011
KTC3875S
R6050
15K
C6008
0.1
R6019
10K
10/63
C6004
330/10
C6007
Q6017
KTC3875S
C6010
0.1
10/63
C6005
UDZS3.6B
D6023
15K
R6090
C6027
1/100
1K
R6091
OPEN
C6062
OPEN
C6026
0.1
C6021
R6079
33K
100/16
C6025
330K
R6088
10K
R6089
OPEN
C6063
0.1
C6022
10K
R6084
KDS160
D6025
10K
R6083
33K
R6092
NJM8080G
U6001
1
4
2
3
3.3K
R6087
NJM8080G
U6001
7
8
6
5
13P-SOCKET(C125Z2)
13
12
11
10
9
8
7
6
5
4
3
2
1
13P-PLUG(C125Z1)
13
12
11
10
9
8
7
6
5
4
3
2
1
R6012
240K
KTC3875S
Q6006
0
R6009
R6003
120K
R6007
120K
0
R6014
KTC3875S
Q6008
R6001
120K
KTC3875S
Q6001
KTC3875S
Q6003
0
R6005
13P-PLUG(C125Z1)
13
12
11
10
9
8
7
6
5
4
3
2
1
PRF18BD471QB5RB
Z5812
4.7u
C5811
4P-PH-SAN
N5811
1
2
3
4
4.7u
C5813
PRF18BF471QB5RB
Z5814
PRF18BE471QB5RB
Z5813
PRF18BB471QB5RB
Z5811
4.7u
C5812
M3-SIDE
B5811
POSISTER_UNIT
8U-110212-9
4.7u
C5814
N3003
33P-FFC
-
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
31
32
33
33P-PLUG(C125Z1)
N5910
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
31
32
33
33P-PLUG(C125Z1)
N5907
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
31
32
33
8P-PH
N5834
1
2
3
4
5
6
7
8
4P-PHs
N5815
1
2
3
4
8P-PH
N6010
1
2
3
4
5
6
7
8
9P-PH
N5842
1
2
3
4
5
6
7
8
9
R6533
10K
SWM3.3V
R6535
3.3K
R6539
3.9K
R6532
10K
SWM3.3V
4.7u
C5803
POSISTER_UNIT
8U-110212-8
PRF18BF471QB5RB
Z5804
4.7u
C5804
PRF18BE471QB5RB
Z5803
PRF18BD471QB5RB
Z5802
PRF18BB471QB5RB
Z5801
4.7u
C5801
4.7u
C5802
4P-PH-SAN
N5815
1
2
3
4
M3-SIDE
B5801
13P-SOCKET(C125Z2)
13
12
11
10
9
8
7
6
5
4
3
2
1
R6004
120K
KTC3875S
Q6002
R6002
120K
R6013
240K
Q6009
KTC3875S
0
R6010
0
R6017
R6008
120K
0
R6006
KTC3875S
Q6004
0
R6015
KTC3875S
Q6007
9P-PH
N9016
1
2
3
4
5
6
7
8
9
R6085
47K
330/10
C6015
Q6047
KTC3875S
C6073
0.1
R6100
100K
Q6039
KTA1504S
Q6045
KTC3875S
C6024
1/100
10K
R6081
10K
R6082
0.01
5W
R6060
C6023
1/100
10K
R6089
C6023
1/100
15K
R6090
NJM8080G
U6001
7
8
6
5
OPEN
C6026
10K
R6081
330K
R6088
KDS160
D6025
3.3K
R6087
OPEN
C6062
100/16
C6025
10K
R6084
UDZS3.6B
D6023
NJM8080G
U6001
1
4
2
3
1K
R6091
R6079
33K
0.1
C6022
10K
R6082
33K
R6092
C6027
1/100
0.1
C6021
OPEN
C6063
0.01
5W
R6060
10K
R6083
C6024
1/100
R5F564MJCDFC
U6201
1
AVSS0
2
P05/IRQ13
3
AVCC1
4
P03/IRQ11
5
AVSS1
6
P02/SCK6/IRQ10/AN120
7
P01/RXD6/IRQ9/AN119
8
P00/TXD6/IRQ8/AN118
9
PF5/IRQ4
10
EMLE
11
PJ5
12
VSS
13
PJ3
14
VCL
15
VBATT
16
NC
17
TRST#/PF4
18
MD/FINED
19
XCIN
20
XCOUT
21
RES#
22
XTAL/P37
23
VSS
24
EXTAL/P36
25
VCC
26
UPSEL/P35(IN)/NMI
27
P34/SCK6/SCK0/IRQ4
28
P33/TIOCD0/RXD6/RXD0/IRQ3-DS
29
P32/TIOCC0/TXD6/TXD0/IRQ2-DS
30
TMS/PF3
31
TDI/PF2/RXD1
32
P31/IRQ1-DS
33
P30/RXD1
34
TCK/FINEC/PF1/SCK1
35
TD0/TXD1/PF0
36
P27/SCK1
37
P26/TXD1
38
P25/RXD3
39
VCC
40
P24/SCK3
41
VSS
42
P23/TXD3
43
P22/SCK0
44
P21/RXD0/IRQ9
45
P20/TXD0/IRQ8
46
P17/SCK1/TXD3/IRQ7
47
P87/TXD10/TIOCA2
48
P16/TXD1/RXD3/IRQ6
49
P86/RXD10
50
P15/RXD1/SCK3/IRQ5
51
P14/IRQ4
52
P13/TXD2/IRQ3
53
P12/RXD2/IRQ2
54
VCC_USB
55
USB0_DM
56
USB0_DP
57
VSS_USB
58
AVCC_USBA
59
USBA_PREF
60
AVSS_USBA
61
PVSS_USBA
62
VSS2_USBA
63
USBA_DM
64
USBA_DP
65
VSS1_USBA
66
VCC_USBA
67
P11/SCK2/IRQ1
68
P10/IRQ0
69
P53
70
P52/RXD2
71
P51/SCK2
72
P50/TXD2
73
VSS
74
P83/SCK10
75
VCC
76
UB/PC7/TXD8/IRQ14
77
PC6/RXD8/IRQ13
78
PC5/SCK8
79
P82/TXD10
80
P81/RXD10
81
P80/SCK10
82
PC4/SCK5
83
PC3/TXD5
84
P77/TXD11
85
P76/RXD11
86
PC2/RXD5
87
P75/SCK11
88
P74
89
PC1/SCK5/IRQ12
90
VCC
91
PC0/IRQ14
92
VSS
93
P73
94
PB7/TXD9
95
PB6/RXD9
96
PB5/SCK9
97
PB4
98
PB3/SCK4/SCK6
99
PB2
100
PB1/TXD4/TXD6/IRQ4-DS
101
P72
102
P71
103
VCC
104
PB0/RXD4/RXD6/IRQ12
105
VSS
106
PA7
107
PA6
108
PA5
109
PA4/TXD5/SSDA5/IRQ5-DS
110
PA3/RXD5/SSCL5
111
TRDATA3/PG7
112
PA2/RXD5
113
TRDATA2/PG6
114
PA1/SCK5/IRQ11
115
VCC
116
TRCLK/PG5
117
VSS
118
PA0
119
TRSYNC/PG4
120
P67/IRQ15
121
TRDATA1/PG3
122
P66
123
TRDATA0/PG2
124
P65
125
PE7/IRQ7/AN105
126
PE6/IRQ6/AN104
127
VCC
128
P70
129
VSS
130
PE5/IRQ5/AN103
131
PE4/AN102
132
PE3/AN101
133
PE2/RXD12/IRQ7-DS/AN100
134
PE1/TXD12
135
PE0/SCK12
136
P64
137
P63
138
P62
139
P61
140
VSS
141
P60
142
VCC
143
PD7/IRQ7/AN107
144
PG1
145
PD6/IRQ6/AN106
146
PG0
147
PD5/IRQ5/AN113
148
PD4/IRQ4/AN112
149
P97
150
PD3/IRQ3/AN111
151
VSS
152
P96
153
VCC
154
PD2/IRQ2/AN110
155
P95
156
PD1/IRQ1/AN109
157
P94
158
PD0/IRQ0/AN108
159
P93/AN117
160
P92/RXD7/AN116
161
P91/AN115
162
VSS
163
P90/TXD7/AN114
164
VCC
165
P47/IRQ15-DS/AN007
166
P46/IRQ14-DS/AN006
167
P45/IRQ13-DS/AN005
168
P44/IRQ12-DS/AN004
169
P43/IRQ11-DS/AN003
170
P42/IRQ10-DS/AN002
171
P41/IRQ9-DS/AN001
172
VREFL0
173
P40
174
VREFH0
175
AVCC0
176
P07/IRQ15
R6540
8.2K
Q6503
KTC3875S
4.7u
C6505
PRF18BF471QB5RB
Z6501
22K
R6516
SWM3.3V
33P-SOCKET(C125Z2)
N6012
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
31
32
33
N9019
33P-SOCKET(C125Z2)
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
31
32
33
N6013
33P-FFC
-
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
31
32
33
4P-PHs
N5825
1
2
3
4
R6114
3.3K
R6115
3.9K
R6116
8.2K
ASODET
DCDET
A+7V.
FANDET_LOW
FANDET_MID
FANDET_HIGH
RLY+B
CURRENT_DET2(RSV)
TRDET
CURRENTDET
AMPSIGDET
CURRENTDET
THERMAL_H
CURRENT_DET2(RSV)
THERMAL_D(RSV)
FANDET
TRDET
FANDET_LOW
FANDET_MID
THERMAL_H
FANDET_HIGH
ASODET
DCDET
DC_ASO_PROT
DC_ASO_PROT
THERMAL_H
THERMAL_D(RSV)
FANDET_HIGH
FANDET_MID
THERMAL_H
FANDET_LOW
RLY+B
A+7V.
CURRENT_DET2
CURRENTDET
THERMAL_H
LEGODET
FANDET
AMPSIGDET
AMPSIGDET
TRDET
DCDET
ASODET
FL
TR Thermal
ASO
H1L
SL
AVR-X8500H PROTECTION DIAGRAM
DCDET :L -> Shut down
ASODET:L -> Shut down
PROTECTION LOGIC
SBL
H1R
8U-110213-1 SPEAKER UNIT
8U-310225 DIGITAL UNIT
TR_THERMAL_A
ASODET
C
SR
SBR
FR
ASODET
TR_THERMAL_B
DC
ASO
TR Thermal
From Power Amp Output
FR ch
SR ch
C ch
SBR ch
FL ch
H1R ch
H1L ch
SBL ch
TRDET :L -> HighB -> LowB
8U-210232-1 AUDIO/VIDEO_UNIT
Radiator
Thermal
Radiator
Thermal
Thermal_H :L -> Shut down
FANDET_LOW :L -> Fans operate (LOW)
FANDET_MID :L -> Fans operate (MID)
125 degree -> Shut down
100 degree -> Change POWER AMP +B Voltage
TEMPERATURE THRESHOLD
85 degree -> Fans operate (MID)
+B
RADIATOR
POWER TR
CURRENTDET
THERMALDET_H
ASODET
FANDET
TRDET
DCDET
AMPSIGDET
THRERMAL_D(RSV)
8U-210232-4
CONNECT-1_UNIT
H2L
6:
2:
44:
43:
42:
89:
135:
134:
133:
H2R
TRDET
DCDET
ASODET
DCDET
CURRENTDET
THERMAL_H
ASODET
AMPSIGDET
FANDET
TRDET
THERMAL_D(RSV
FANDET
THERMAL_H
CURRENTDET
DCDET
TRDET
THERMAL_D(RSV)
ASODET
AMPSIGDET
TRDET
AMPSIGDET
CURRENTDET
ASODET
THERMAL_D(RSV)
DCDET
FANDET
THERMAL_H
ASODET
TR_THERMAL_A
FANDET_LOW
FANDET_MID
FANDET_HIGH
SL ch
8U-210222-6
L-AMP CONNECT UNIT
8U-210232-7
R-AMP CONNECT UNIT
TR_THERMAL_A
FANDET_MID
ASODET
THERMAL_H
FANDET_HIGH
FANDET_LOW
FANDET_MID
FANDET_HIGH
ASODET
TR_THERMAL_B
75 degree -> Fans operate (LOW)
FANDET_HIGH :L -> Fans operate (HIGH)
+B
ASODET
TR_THERMAL_A
ASO
TR Thermal
+B
ASODET
TR_THERMAL_A
ASO
TR Thermal
+B
ASODET
TR_THERMAL_A
ASO
TR Thermal
+B
+B
ASODET
+B
TR Thermal
ASODET
TR_THERMAL_A
TR_THERMAL_A
ASO
TR Thermal
ASO
ASO
TR_THERMAL_A
TR Thermal
ASODET
H3L
TR Thermal
ASO
TR_THERMAL_B
TR_THERMAL_B
ASO
ASODET
+B
+B
ASODET
+B
TR Thermal
+B
+B
ASO
TR Thermal
TR_THERMAL_B
ASODET
ASODET
TR_THERMAL_B
TR Thermal
ASO
ASO
ASO
ASODET
TR Thermal
TR_THERMAL_B
TR Thermal
ASODET
TR_THERMAL_B
+B
H3R
CURRENT_DET2(RSV)
95 degree -> Fans operate (HIGH)
THERMAL_H
Radiator
Thermal
THERMAL_H
H3L ch
H4R ch
H4L ch
H3R ch
Current
Detection
V load
+B
1.3V ~ -> Shut down
0.3 ~ 0.8V -> Fans operate (MID)
CURRENT DETECTION THRESHOLD
0.8 ~ 1.3V -> Fans operate (HIGH), Change +B voltage
-B
V load
Current
Detection-2(OPEN)
FANDET_LOW
CURRENT_DET2(RSV)
CURRENT_DET2(RSV) CURRENT_DET2(RSV)
OPEN
THERMAL_D
FANDET
FANDET_LOW
FANDET_MID
FANDET_HIGH
THERMAL_H
FANDET_MID
FANDET_HIGH
FANDET_LOW
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
150
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