PROTECTION DIAGRAM
Q6016
KTC3875S
Q6019
KTC3875S
Q6015
KT
A1504S
R6018
10K
Q6014
KTC3875S
R6032
100K
330/10
C6013
R6022
15K
R6040
100K
R6020
3.3K
Q6018
KT
A1504S
Q6020
KTC3875S
Q6010
KTC3875S
R6055
100K
47/25
C6006
R6038
15K
330/10
C6009
Q6021
KT
A1504S
Q6012
KTC3875S
C6016
1u
Q6013
KTC3875S
Q601
1
KTC3875S
R6050
15K
C6008
1u
R6019
10K
10/63
C6004
330/10
C6007
Q6017
KTC3875S
C6010
1u
10/63
C6005
33P-FFC
N6013
-
0.01
5W
R6060
UDZS3.6B
D6023
10K
R6082
10K
R6090
C6023
1/100
C6027 1/100
1K
R6091
OPEN
C6062
OPEN
C6026
C6024
1/100
0.01
C6021
R6079
33K
100/16
C6025
330K
R6088
10K
R6089
OPEN
C6063
0.01
C6022
10K
R6084
KDS160
D6025
10K
R6081
10K
R6083
33K
R6092
NJM8080G
U6001
3.3K
R6087
NJM8080G
U6001
13P-SOCKET(C125Z2)
13P-PLUG(C125Z1)
R6012
240K
KTC3875S
Q6006
0
R6009
R6003
120K
R6007
240K
0
R6014
KTC3875S
Q6008
R6001
47K
KTC3875S
Q6001
KTC3875S
Q6003
0
R6005
Q6009
OPEN
OPEN
Q6002
OPEN
Q6007
OPEN
Q6004
R6008
OPEN
OPEN R6010
R6002
OPEN
R6004
OPEN
OPEN R6015
OPEN R6006
OPEN R6017
R6013
OPEN
13P-PLUG(C125Z1)
13P-SOCKET(C125Z2)
R5F564MJCDFC
U6201
PRF18BB471QB5RB
Z5802
4.7u
C5801
4P-PH-SAN
N5816
4.7u
C5803
PRF18BD471QB5RB
Z5804
PRF18BF471QB5RB
Z5803
PRF18BB471QB5RB
Z5801
4.7u
C5802
M3-SIDE
B5801
POSISTER_UNIT
8U-110207-9
4.7u
C5804
N3003
33P-FFC
-
N9019
33P-SOCKET(C125Z2)
33P-PLUG(C125Z1)
N5910
33P-PLUG(C125Z1)
N5907
33P-SOCKET(C125Z2)
N6012
8P-PH
N5834
4P-PHs
N5815
8P-PH
N6010
9P-PH
N9016
OPEN
N5825
9P-PH
N5842
R6514
3.3K
R6515 3.9K
R6533
10K
SWM3.3V
R6535
3.3K
R6539
3.9K
R6532
10K
Q6503
KTC3875S
R6540
8.2K
22K
R6516
PRF18BF471QB5RB
Z6501
4.7u
C6505
SWM3.3V
SWM3.3V
PRODET_E
THERMALDET_E
PROTDET_E
THERMALDET_E
THERMALDET_E
THERMALDET_E
THERMALDET_E
THERMALDET_E
THERMALDET_E
THERMALE
OPEN
C5803
OPEN
Z5804
OPEN
C5804
OPEN
Z5803
OPEN
Z5802
OPEN
Z5801
OPEN
C5801
OPEN
C5802
OPEN
N5816
OPEN
B5801
THERMALE
THERMALINE
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
1
4
2
3
7
8
6
5
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
1
AVSS0
2
P05/IRQ13
3
AVCC1
4
P03/IRQ1
1
5
AVSS1
6
P02/SCK6/IRQ10/AN120
7
P01/RXD6/IRQ9/AN1
19
8
P00/TXD6/IRQ8/AN1
18
9
PF5/IRQ4
10
EMLE
11
PJ5
12
VSS
13
PJ3
14
VCL
15
VBA
TT
16
NC
17
TRST#/PF4
18
MD/FINED
19
XCIN
20
XCOUT
21
RES#
22
XT
AL/P37
23
VSS
24
EXT
AL/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
PA
7
107
PA
6
108
PA
5
109
PA4/TXD5/SSDA5/IRQ5-DS
11
0
PA3/RXD5/SSCL5
111
TRDA
TA3/PG7
11
2
PA2/RXD5
11
3
TRDA
TA2/PG6
11
4
PA1/SCK5/IRQ1
1
11
5
VCC
11
6
TRCLK/PG5
11
7
VSS
11
8
PA
0
11
9
TRSYNC/PG4
120
P67/IRQ15
121
TRDA
TA1/PG3
122
P66
123
TRDA
TA0/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
1
2
3
4
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
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
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
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
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
1 2 3 4 5 6 7 8
1
2
3
4
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9
1
2
3
4
1 2 3 4 5 6 7 8 9
1
2
3
4
ASODET
DCDET
A+7V.
CURRENTDET
FANDET_MID
FANDET_LOW
THERMALDET_F
RLYB+12V
RLYB+12V
FANDET_MID
FANDET_LOW
THERMALDET_F
TRDET
THERMALINF
CURRENTDET
AMPSIGDET
CURRENTDET
THERMALDET_F
FANDET_ON
FANDET_ON
FANDET_HIGH
TRDET
ASODET
DCDET
TRDET
FANDET_LOW/MID
ASODET
DCDET
LEGODET
DC_ASO_PROT
DC_ASO_PROT
FL
TR Thermal
ASO
H1L
SL
DCDET :L -> Shut down
ASODET :L -> Shut down
PROTECTION LOGIC
SBL
FHWL
8U-110224-1 SPEAKER UNIT
8U-310232 DIGITAL UNIT
TR_THERMAL_A
ASODET
C
ASODET
ASO
TR Thermal
TR_THERMAL_A
ASODET
ASO
TR Thermal
TR_THERMAL_A
ASODET
ASO
TR Thermal
TR_THERMAL_A
ASODET
ASO
TR Thermal
TR_THERMAL_A
SR
SBR
FR
ASO
ASO
ASO
ASODET
ASO
TR Thermal
TR Thermal
TR_THERMAL_B
TR Thermal
TR Thermal
ASODET
TR_THERMAL_B
DC
ASO
TR Thermal
From Power Amp Output
FR ch
SR ch
C ch
SBR ch
SBL ch
FL ch
H2R ch
H2L ch
H1R ch
TRDET :L -> HiB -> LoB
8U-210242-1 AUDIO/VIDEO_UNIT
FANDET_MID
FANDET_LOW
PROTDET_F
Radiator
Thermal
Radiator
Thermal
ThermalDET :L -> Shut down
FANDET_LOW :L -> Fans operate (LOW)
FANDET_MID :L -> Fans operate (MID)
125 degree -> Shut down
100 degree -> B Voltage
TEMPERATURE THRESHOLD
90 degree -> Fans operate (MID)
+B
+B
+B
+B
+B
+B
+B
+B
+B
RADIATOR
POWER TR
+B
V load
Current
Detection
16.3Arms(7.3Adc) -> Shut down
5.6Arms (2.5Adc) -> Fans operate (HIGH), B voltage
CURRENT DETECTION THRESHOLD
3.9Arms (1.8Adc) -> Fans operate (MID)
DGND
A+7V
A-7V
SWM3.3V
CURRENTDET
SPRL_H1
SPRL_RSV3
A+7V
A-7V
NC
FANCONT_LOW
FANCONT_HIGH
DGND
SPRL_H3
SPRL_RSV1
SPRL_RSV2
THERMALDET_F
BRL_HIGH
ASODET
FANDET_HIGH
SPRL_F
SPRL_H2
SPRL_SB
SPRL_S
TRDET
DCDET
AMPSIGDET
FANDET_ON
SPRL_C
8U-210242-6
CONNECT-1_UNIT
Radiator
Thermal
TR Thermal
ASO
H2L
ASODET
+B
TR_THERMAL_A
6:
2:
44:
43:
42:
89:
135:
134:
133:
FHWL
TR Thermal
ASO
+B
TRDET
DCDET ASODET
A+7V
TUSEN
DGND
DA3.3V
DCDET
A-7V
AEXP_CLK
A+7V
AEXP_STB
TURST
A-7V
SWM3.3V
CURRENTDET
DGND
THERMALF
TUSCL
AEXP__OE
DA+5V
ASODET
AMPSIGDET
TUGPIO
FANDET_HIGH
DGND
DA+5V
AEXP_DA
TA
TRIGGND
TUSDA
TRIG12V
DGND
TRDET
VOLMUTE
FANDET_ON
DA3.3V
AEXP_CLK
DGND
DGND
A+7V
FANDET_MID
THERMALF
DA+5V
TUSDA
CURRENTDET
TUSEN
DCDET
TRDET
A-7V
FANDET_LOW
Z2VCOM
AEXP_OE
Z2RLINE
AEXP_DA
TA
DGND
TUGPIO
Z2LLINE
TURST
AEXP_STB
ASODET
DGND
SWM3.3V
TUSCL
TRIG12V
AMPSIGDET
DACGND
TRIGGND
TRIGGND
TUSEN
AEXP_CLK
TRDET
DA3.3V
AEXP_STB
AMPSIGDET
TUSDA
DGND
CURRENTDET
A-7V
AEXP_DA
TA
Z2VCOM
Z2LLINE
TURST
AEXP_OE
ASODET DGND
DA+5V
A+7V
DACGND
FANDET_LOW
TUGPIO
DCDET
TRIG12V
DGND Z2RLINE
TUSCL
FANDET_MID
THERMALF
M3.3V
DGND
ASODET TR_THERMAL_A
FANDET_MID
FANDET_LOW
PROTDET_F
SL ch
H1L ch
8U-210242-3
L-AMP CONNECT UNIT
8U-210242-4
R-AMP CONNECT UNIT
TR_THERMAL_A
THERMALDET_F
ASODET
FANDET_MID
AMPGND
-FIL
TB
FANDET_LOW
FANDET_MID
-FIL
TB
FANDET_LOW
THERMALDET_F
AMPGND
ASODET
TR_THERMAL_B
TR_THERMAL_B
ASODET
TR_THERMAL_B
ASODET
TR_THERMAL_B
ASODET
TR_THERMAL_B
ASODET
FANCONT_MID
PREPOWERGND
PREPOWERGND
78 degree -> Fans operate (LOW)
FANDET_HIGH :L -> Fans operate (HIGH)
95 degree -> Fans operate (HIGH)
AVR/AVC-X6500H Protection diagram
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
95