Yamaha NX-A01 - Speaker Sys, Руководство по обслуживанию

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NX-A01
10
NX-A01
–
–
–
neg.
–
neg.
neg.
–
neg.
neg.
neg.
–
–
–
–
–
–
neg.
–
neg.
neg.
neg.
neg.
neg.
neg.
–
–
–
neg.
–
–
–
–
neg.
–
pos.
–
–
–
–
–
–
–
–
Logic
IC501:
µ
PD789022GB-A70-8ES-A (MAIN (2) P.C.B.)
Microprocessor
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
34
35
36
37
38
39
40
41
42
43
44
P12
P11
P10
P47/KR7
P46/KR6
P45/KR5
P44/KR4
P43/KR3
P42/KR2
P41/KR1
P40/KR0
NC
IC (VPP)
X2
X1
VSS0
VDD0
/RESET
P53
P52
P51/TO2
P50/TI0/TO0
P32/INTP2/ CPT2
P31/INTP1
P30/INTP0
P22/RXD/ SI0
P21/TXD/ SO0
P20/ASCK/ /SCK0
P07
P06
P05
P04
P03
P02
P01
P00
NC
VDD1
VSS1
P17
P16
P15
P14
P13
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
NC
–
Clock
Clock
GND
VDD
Reset
I/O
I/O
I/O
I/O
I/O (interrupt)
I/O (interrupt)
I/O (interrupt)
I/O (serial)
I/O (serial)
I/O (serial)
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
NC
VDD
GND
I/O
I/O
I/O
I/O
I/O
(P12)
(P11)
(P10)
AMP_PRT
(P46)
BT_STATE
KEY_POWER
(GNDb)
KEY_MUTE
KEY_VOLDW
KEY_VOLUP
(GNDb)
FLASH_VPP
–
–
GNDb
+5Vb
N_RESET
(GNDb)
N_BTPOWER
N_SLEEP
POWERON
DET_BTU
DET_PWDN
(INTP0)
FLASH_SDI
FLASH_SDO
FLASH_SCK
N_MUTE
(GNDb)
VOL_CE
VOL_DI
VOL_CL
N_BTRESET
(GNDb)
N_LED_POWER
(GNDb)
+5Vb
GNDb
(GNDb)
(GNDb)
(GNDb)
(GNDb)
(P13)
for firmware version check (P12)
for firmware version check (P11)
for firmware version check (P10)
detection of YDA138 amplifier-protection
(reserved. must be pulled-up to VDD0.)
POWER key input
MUTE key input
VOLUME DOWN key input
VOLUME UP key input
clock input
power supply
reset input
(reserved. test signal output.)
YDA138 sleep control
PowerOn/standby control
detection of AC power-off
OR input of KEY_POWER and BT_STATE
serial data from PCB inspection machine
serial output
serial clock from PCB inspection machine
MUTE control
electrical volume chip enable
electrical volume data input
electrical volume serial clock
control output of POWER LED
power supply
for firmware version check (P13)
No. Pin name Function Signal name Comment
–
–
–
PU (100K)
PU (100K)
PU (100K)
PU (100K)
–
PU (100K)
PU (100K)
PU (100K)
–
–
–
–
–
–
PU (100K)
–
PU (100K)
PD (100K)
–
PU (100K)
PU (100K)
PU (100K)
PU (100K)
–
PU (100K)
PD (100K)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Pull-Up/Down
O
O
O
I
I
I
I
–
I
I
I
–
–
–
I
–
–
I
O
O
O
O
I
I
I
I
O
I
O
–
O
O
O
O
–
O
–
–
–
–
–
–
–
O
I/O