NAD T 187 Service Manual page 39

MAIN BOARD (2)
J2005A
To Front Input J2005B
-12V_A +12V_A +5V_V
L2001 0R
+5V_K
R2046
10k
J2016A
TO VOLUME J2016B
1 TUNER_SCL
2 TUNER_SDA
3 TUNED
TO VOLUME
4 STEREO
RDS_CLK
5
RDS_DATA
6
7 DGND
DGND
J2011A
To Conn#1 J9002A
1 4094(6)_STB
2 4094(5)_STB
3 4094_DATA_MCU
4 4094_CLK_MCU
V6_OPT
5
DAB_IN DAB_IN
6
7 SPI0_SIMO_5V
8 SPI0_SOMI_5V
9 SPI0_CLK_5V
10 SPI0_SCS_5V
11 SPI0_ENA_5V
INT_5V
12
TO CONN#1 XM_TXD XM_TXD
13
14 XM_RXD XM_RXD
15 DAB/XM_TXD
16 DAB/XM_RXD
17 ANT_REV
18 LINKACTIVE
19
4094_STB_VM150C
20
21 HDMI_SCL
22 HDMI_SDA
23 V6_V
24 V6_Y
25 V6_C
DGND_V
26
IPOD_TXD_3V3
27 IPOD_TXD_3V3
28 IPOD_RXD_3V3
IPOD_RXD_3V3
+5V_ON +5V_K
J2009A
To Conn#1 J9003A
1 HP_L
2 HP_R
3 AGND
4 15205_CLK
15205_DATA_A
5
15205_DATA_B
6
7 78211_CE
8 78211_CLK
9 78211_DATA
10 CONFIG2
11 Z2_MUTE
TO CONN#1 Z3_MUTE
12
Z4_MUTE
13
14 HP_MUTE
15 4052_A
16 4052_B
17 F_MUTE
18 S_MUTE
SB_MUTE
19
SUBW_MUTE
20
21 C_MUTE
22
23 +5V_ON
24 U2020
N.I. (TPS2011A)
25 +5V_K
8 1
+5V_K OUT8 GND
26
7 2
OUT7 IN2
27
6 3
OUT6 IN3
28
5 4
OUT5 EN
AGND C2077 C2078
N.I. (10u) N.I. (0.1u)
16V
DGND
J2006A J2008A
To Front Input J2006B TO HEADPHONE J2008B
DGND
AGND
DGND_V
TUNER_SCL
TUNER_SDA
TUNED
STEREO
RDS_CLK
RDS_DATA
MIC_BIAS
HP_DET
4094(6)_STB
4094(5)_STB
4094_DATA_MCU
4094_CLK_MCU
SPI0_SIMO_5V
4094_STB_VM150C
SPI0_SOMI_5V
SPI0_CLK_5V
SPI0_SCS_5V
SPI0_ENA_5V
INT_5V
DAB/XM_TXD
DAB/XM_RXD
ANT_REV
LINKACTIVE
4094_STB_VM150C
HDMI_SCL
HDMI_SDA
15205_CLK
15205_DATA_A
15205_DATA_B
78211_CE
78211_CLK
78211_DATA
CONFIG2
Z2_MUTE
Z3_MUTE
Z4_MUTE
HP_MUTE
4052_A
4052_B
F_MUTE
S_MUTE
SB_MUTE
SUBW_MUTE
C_MUTE
+5V_K
5V_ON_CTRL
+5V_K
C2074 C2075
10u 0.1u
16V
J2002A
DGND
To Keyboard J2002B
+5V_K AC4.8V1 AC4.8V2 +39V
+5V_K +5V_K
DGND
C2045 C2046
1000u 0.1u
10V
8 1
7 2
+5V_K
C2072 C2073
6 3
0.1u 47u
16V
5 4
DGND
+5V_K U2002 DGND
AT24C16
4.7k R2013
4.7k R2014
DGND
HDMI_SCL
76 P1_2/RXD6/SCL6
4094(6)_STB
77 P1_1/CLK6/D9
4094(5)_STB
78 P1_0
LINKACTIVE
79 P0_7/AN0_7/D7
ANT_REV
80 P0_6/AN0_6/D6
TRIG_IN
81 P0_5/AN0_5/D5
82 P0_4/AN0_4/D4
DAB/XM_PWR
83 P0_3/AN0_3/D3
15205_DATA_A U2001
84 P0_2/AN0_2/D2
15205_DATA_B
85 P0_1/AN0_1/D1
IC-R5F364AENFB
86 P0_0/AN0_0/D0
KEY03
87 P10_7/AN7/KI3
KEY02
88 P10_6/AN6/KI2
KEY01
89 P10_5/AN5_KI1
KEY00
90 P10_4/AN4/KI0
TRIG_OUT_3
91 P10_3/AN3
TRIG_OUT_2
92 P10_2/AN2
TRIG_OUT_1
93 P10_1/AN1
+5V_K
94 AVSS
AUTO/OFF
95 P10_0/AN0
96 VREF
97 AVCC
SPI0_SOMI_5V
98 P9_7/SIN4
SPI0_SIMO_5V
99 P9_6/SOUT4
SPI0_CLK_5V
100 P9_5/CLK4
+5V_K
R2056
10k
C2071
0.1u
DGND
MCU
+5V_K +5V_K +5V_K +5V_K +5V_K
C2050 C2049
0.1u 47u
J2012A R2002 R2003
16V
FAILSAFE
10k 0
1
2
OUT V+
U2006
C2048 C2047 J2014A
47u 0.1u AME8530
1 C2051
16V
5 1 1000p
R2012 VCC PW
2 GND NC
0
3 4
X2001
2
N.I.
R2001 C2053
C2052
100k 22u 0.1u
16V
DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND
X2001A
11.0592MHz
OUT V+
GND NC
DGND
39
1 VCC NC16 16
+5V_K
2 15
1Y 6Y
R2008
3 1A 14
6A N.I.
U2019
IC-74HC4050
4 13
2Y NC13
5 12
2A 5Y
IR_F
6 3Y 11
5A
R2041 0
7 10
3A 4Y
8 GND 9
4A
DGND
R2015 SEE NOTE
XM_TXD
XM_RXD
232_TXD
R2016 SEE NOTE
232_RXD
DAB/XM_PWR
R2017 SEE NOTE
DAB/XM_TXD
DAB/XM_RXD
R2018 SEE NOTE
AUTO/OFF
TRIG_IN
IR_R
SUBW_MUTE
P4_2/A18 50
SB_MUTE
P4_3/A19
49
S_MUTE +5V_K +3V3_K
P4_4
48
F_MUTE
P4_5/CLK7
47 1 VCCA 6
VCCB
IPOD_TXD_5V
P4_6/RXD7/SCL7
46
U2017
IPOD_RXD_5V 2 GND DIR 5
P4_7/TXD7/SDA7 45 74LVC1T45
CE
IPOD_TXD_5V 3 A 4
P5_0 B
44
HP_MUTE
P5_1
43
Z4_MUTE
P5_2
42
Z3_MUTE
P5_3 41
1 VCCA VCCB 6
Z2_MUTE
P5_4
40
2 GND U2018 5
EPM DIR
P5_5
39 74LVC1T45
CONFIG2
IPOD_RXD_5V 3 A 4
P5_6 B
38
4052_B
P5_7
37
R2055
4052_A
47k
P6_0 36
VFD_RST
P6_1/CLK0
35
DGND DGND
DAB/XM_RXD
P6_2/RXD0/SCL0
34
DAB/XM_TXD
P6_3/TXD0/SDA0
33
RTS1
P6_4 32
CLK1
P6_5/CLK1
31
232_RXD
+5V_K
P6_6/RXD1/SCL1
30
232_TXD
P6_7/TXD1/SDA1
29
EE_SDA
P7_0/SDAMM
28
EE_SCL J2013A
P7_1/SCLMM 27
E8a Connector
MDC_POWER
P7_2 CLK1
26 1
2
CNVSS
3
EPM
4
232_TXD
5
6
CE
7
8
RTS1
9
NOTE:
10
R2015, R2016 - 0R FOR AH, N.I. FOR CE
232_RXD
11
R2017, R2018 - N.I. FOR AH, 0R FOR CE
12
RESET
13
14
DGND
+5V_K +13V
+5V_K
R2009 R2010
100k 0
10k
D2013 R2045
LL4148
R2011
C2042
DGND
0.01u 10k
DGND
+5V_V +3V3_K
U2016
LM1117 - 3.3
IN OUT
C2063 C2064 C2065 C2066
47u 47u
16V 0.1u 16V 0.1u
DGND DGND DGND DGND DGND
+5V_K +5V_K
C2044 C2043
R2007
10u 0.1u
100k
16V
U2005
74HC132
DGND
+5V_K
1 1A VCC 14
IR_F 2 1B 13
4B
3 1Y 12
4A
4 2A 4Y 11
5 2B 10
3B
6 2Y 9
3A
DGND
7 GND 3Y 8
DGND
TO TRIGGER
+5V_K +12V_D +5.3V +5V_V
J2301B
TO TRIGGER J2301A
DAB/XM_TXD_5V 1
DAB/XM_RXD_5V
2
DAB_IN DAB_IN 3
4
5
6
AUTO/OFF 7
232_TXD
8
232_RXD
9
IR_O_1 10
IR_O_2 11
DAB/XM_PWR 12
IR_R_MIX 13
TRIG_IN 14
TRIG_OUT_1
TRIG_OUT_1 15
TRIG_OUT_2
TRIG_OUT_2 16
TRIG_OUT_3 TRIG_OUT_3 17
DGND 18
+5V_K 19
+12V_D 20
IR_R 21
+5.3V
22
+5V_V
23
IPOD_TXD_3V3 24
IPOD_RXD_3V3 25
26
C2070 C2069
2200u
0.1u
10V
DGND DGND