NAD M12 Service Manual page 28

12. HTRM2 BOARD
J100
1
+VBUS
2 R100
D-
3 R101
D+
4
ID
5
GND
6
SHIELD
E100 E101
mini usb_B
NC NC
VCC_3V3
H102
VCC MISO
MOSI SCK
GND RST
UART_TXD TXD CS
UART_RXD RXD
HEADER
VCC_3V3
U101
4 2
CS S CK
3 1
RESET S I
6 8
VCC SO
7 5
GND WP
C114
AT45DB011B-SC VCC_3V3
100N
D110
LED_BLUE
R116
0R
6V_BATTERY
R130 R131 R132
100R 100R 100R
D116 D117 D118 D119 D120 D121 D122
R119 Q103
S 8050H
330R
VCC_3V3 6V_BATTERY
R114 R115
100K 2.2M
R113
R129 C107
C108
100N
1M 100N
VCC_3V3
R134
100K
S1
2
C109
vibroswitch
S2
2
100N
22R
vibroswitch
22R
C101
C100
100N
22uF/ 6V
1
PE6
2
PE7
3
UVCC
4
D-
5
D+
6
UGND
7
UCAP
8
VBUS
9
PE3
10
PB0
11
PB1
12
PB2
13
PB3
14
PB4
15
PB5
16
PB6
VCC_3V3
D140
R133
1N4148
10K
C115
4.7N
D124 D125 D126
D123 D127 D128 D129 D130 D139 D141 D142
R117
VCC_3V3
U100
AT90US B64-QFN
48 LED_0
PA3 DEVICE_LED_0
47 LED_1
PA4 DEVICE_LED_1
46 LED_2
PA5 DEVICE_LED_2
45 LED_3
PA6 DEVICE_LED_3
44 LED_4
PA7 DEVICE_LED_4
43
PE2
42
PC7
41
A T90U SB 64-QFP PC6
40
PC5
39
PC4
38
PC3
37
PC2
36
PC1
35
PCO
34
PE1
33
PE0
VCC_3V3
R102 1M GND
Crystal _8MHZ
Y100
C102 C103
22PF 22PF
6V_BATTERY
6V_BATTERY
R118
1R
Q100
330R
S8050H D111
DIODE
D113
LED_BLUE
C111 100N
R121
330R
R120 Q104
S 8050H
4.7K
2
RESET
RESET
VCC_3V3
H101
JTAG1
K55 K54 K57 K62 K58
AMP TV CUSTOM CD DVD
1 1 1 1 1
MATRIX 00
K59 K65 K66 K64 K63
MACRO #0 #1 #2 #3
1 1 1 1 1
MATRIX 01
K70 K72 K74 K71 K73
#7 #8 #9 ON OFF
1 1 1 1 1
MATRIX 02
K78 K82 K81 K79 K80
ENTER CUR DW +10 MUTE CH UP
1 1 1 1 1
MATRIX 03
K84 K87 K90 K89 K88
SURR UP SURR MODE OPEN S TOP TUNE DW
1 1 1 1 1
MATRIX 06 MATRIX 04
K94 K98 K95 K96 K97
MATRIX 05
RETURN MENU PLAY PAUSE TUNE UP
1 1 1
MATRIX 04
MATRIX 03 MATRIX 05
K100 K104 K103 K106 K105
MATRIX 02
CENT DW SUB DW DISPLA CURR DW SUB UP
1 1 1 1 1
MATRIX 01
MATRIX 00 MATRIX 06
VCC_3V3
D138
R112 330R 3 4
R111 330R 2 1
D100 D101
APTB1615ESGC
R103 R104
0R 0R
VCC_3V3
R127
680R
IR 6V_BATTERY
R128
10K B100
D115
1.5V
1N4148
G
R124 820K R125 82K
B101
1.5V
Q101
Q102
C110 100N
S 8050H
B102
R126
S 8050H
1.5V
47K
B103
1.5V
K60 K61 K56
VCR TUNER CAB/SAT
1 1 1
D137 1N4148
2 1
K69 K68 K67
#4 #5 #6
1 1 1
D136 1N4148
2 1
K77 K75 K76
AV PRESET SPK A SPK B
1 1 1
D135 1N4148
2 1
K83 K85 K86
TEST CH DW TITLE
1 1 1
D134 1N4148
2 1
K92 K93 K91
VOL UP VOL DW CUR LT
1 1 1
D133 1N4148
2 1
K102 K101 K99
CUR UP C ENT UP CUR RT
1 1 1
D132 1N4148
2 1
D131 1N4148
2 1
MATRIX _INTERRUPT
VCC_3V3
D102 D103 D104 D105 D106 D107
R105 R106 R107 R108 R109 R110
0R 0R 0R 0R 0R 0R
VCC_3V3
U102
1 5
GND NC
2
IN C112
3 4
OUT NC 22uF/16V
Q50
C113
APM2301
TLV70433
100N