Sch22_Audio Video Connect - Marantz AV8802/U1B Service Manual

1 2 3
A
B
USA/CANADA ONLY
R3113 24K
C
C3115 33P
C3108
R3122 15K
10/63
HDR_R R3108 OPEN
13
2 4
HDRGND R3118 R3119 1K
12
1
HDR_L R3107 OPEN
OPEN
11
3
HDR3.3V C3109
C3111
10 U3005
HDR3.3V 10/63
OPEN NJM8080G
9
HDRGND
8
C3105 C3112
HDRGND
R3111
7
0.1 470P
NC 39K
6
HDRRST
5
HDRGND
D C3113
4 R3112
RXDHIMO C3106 470P
39K
3
TXDHOMI OPEN
2
HDRGND
U3005
1
C3114
R3109 OPEN C3107
NJM8080G
N3008 10/63 OPEN
R3120 1K
13P-FFC
5
R3110 OPEN
7
R3121 15K
6 8
C3110
R3114 24K
10/63
C3116 33P
E
N4807
OPEN
E U / J P / C H I N A O N L Y
R3128 C3134
F 1K 10/63
R3126 R3130 R3132
100K 100K 82K
R3127 R3131 R3133
100K 100K 82K
R3129
C3135
TUNER_L 1K 10/63
LOUT
TUNER_R
ROUT L3003 BLM21PG221 R8072 0
TU+5V
VCC R3134
TU_SCLK 33
SCLK
G TU_SDIO R3135 33
SDIO R3136
TU_SEN 33
/SEN
TU_RST R3137 33
/RST R3138 U3006
TU_GPIO2 2.2K
GPIO2/INT
OPEN
VOUT
3
VIN 1
NC
4
GND ON/OFF
Z3001
5 2
TUNER_MOD.
H
N9017
7P-PLUG(C125Z1)
+7V
1
-7V
2
PGND1
3
4
PGND2
J 5
6
PGND3
7
8 U - 2 1 0 1 6 3 - 6
CONNECTOR-3 UNIT
A/V-PHONO/232C CNT
K
L
M
GND LINE POWER+ LINE POWER- LINE AUDIO SIGNAL
1
2 3
4 5 6
N3001-A
TO N5904
N3001
33P-SOCKET(C125Z2)
B3001
M3-SIDE
PREGND
TURST
TUSCL
TUSDA
TUNERR
C3119
10/63
C3120
10/63
TUNERL
R8074 OPEN
R8070 OPEN
0
R8071
(USA/CANADA:OPEN)
TUNERL
C3022
0. 1
AEXPDATA
AEXP__OE
TUNERR
AEXP_STB
AEXP_CLK
TUSCL
TUSDA
TUSE N
TURST
TUGPIO
TU+5V (Not used)
N9015
1 1
2 2
3 3
PHONOL
4 4
F8
5 5
PHONOR TO 8F
6 6
7 7
N9016 N9015
7P-PLUG(C125Z1) 7P-SOCKET(C125Z2)
TO N9016
TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6
7 8 9 10
N9018
N9019
TO N5906 TO N5908
N9018 N9019
17P-SOCKET(C125Z2) 19P-SOCKET(C125Z2)
R3001 0
R3002 0
R3003 0
R3004 0
R3025 OPEN
C3037
OPEN
7 8 9 10
164
11 12 13 14
N4818
TO N5910
N4818
21P-SOCKET(C125Z2)
B3002
M3-SIDE
R3031 0
R3032 0
SWM3.3 V
OPEN
C5575
OPEN
C5571 N9020
C5572 OPEN OPEN
C5573 OPEN A-7V
1
C5574 OPEN A+7V
2
SWM3.3V
3
C3049 OPEN DGND
4
AEXPDATA
5
AEXPOE
6
AEXPSTB
7
AEXPCLK
8
C3038 OPEN
C3039 OPEN
C3040 OPEN
C3041
OPEN
C3042 OPEN
C3043
OPEN
C3044 OPEN
C3045
OPEN
C3046 OPEN
C5576 OPEN
OPEN
C3047
OPEN
C3048
F9 G0
TO 9F TO 0G
8 U - 2 1 0 1 6 3 - 1 ( 1 / 4 )
A.AUDIO/VIDEO_UNIT
SCHEMATIC DIAGRAMS (22/38)

SCH22_AUDIO VIDEO CONNECT

11 12 13 14
15 16
A
B
N3009
N3009
3P-PH
3
2
1
TO N204
C
D
E
R3027 0
N3003
0
R3028
R3033 0 PREPOWERGND
33
R3034 0
PREPOWERGND
32
DGND
31
DGND
30
A+7V
29
A+7V
28
F
A-7 V
27
A-7 V
26
ASODET ASODET
25
DCDET DCDET
24
TRDET TRDE T
23
AMPSIGDET AMPSIGDET
22
SPRL_W_H SPRL_W_H
21
SPRL_SB_W SPRL_SB_W
20
SPRL_W SPRL_W
19
SPRL_W_SB SPRL_W_SB
18
SPRL_F_W SPRL_F_ W
17
SPRL_F_SB SPRL_F_SB
16
SPRL_SB SPRL_SB G
15
SPRL_S SPRL_ S
14
SPRL_C SPRL_C
13
SPRL_ F SPRL_F
12
FANCONT_L_ON1 FANCONT_L_ON1
11
FANCONT_ON1 FANCONT_ON1
10
FANCONT_L_ON2 FANCONT_L_ON2
9
FANCONT_ON2 FANCONT_ON2
8
BRL_HIGH BRL_HIGH
7
FANDET_HIGH FANDET_HIGH
6
FANDET_ON FANDET_ON
5
THERMALDET_F TEHRMALDET_F
4
THERMALDET_E THERMALDET_E
H
3
CURRENTDET CURRENTDET
2
SWM3.3V SWM3.3V
1
TO N503
J
K
L
M
15 16