Yamaha ACD1 Service Manual page 113

H G
BLOCK DIAGRAM (ACD1)
MONITOR/REMOTE
(AMP ID 32–39)
36 CN604 37 CN605
(15P) (15P)
DS2
4 4 4 4 4 4
16
+5D +5D 4
20 20
MUTE Driver x 2 STANDBY Driver
IC606, IC607 (20P), IC608 (20P),
IC611
TR606–621 TR602–605
(14P)
DSDB2[0–7], /DS2_RST, DSDB2[0–3], DS2_RST,
MOD-ID[5–8]
MDWR3, MDWR4 SBWR2
1 2
* *
32 33
CN502 CN503
(15P) (15P)
DS1
4 4 4 4 4 4
16
+5D +5D 4
20 20
MUTE Driver x 2 STANDBY Driver NJM
2902
IC502, IC503 (20P), IC504 (20P),
TR505–520 TR501–504
DSDB1[0–7], /DS1_RST, DSDB1[0–3], DS1_RST,
MOD-ID[1–4]
MDWR1, MDWR2 SBWR1
* 1 * 2
CN201 (38P): [to DS1-CN501], CN203 (38P): [to DS2-CN602]
4
+5D +5D
11,12,
14,15
16 16
Address Decoder x 2 MODEL ID Selector
IC204, IC205 (16P) IC206 (16P)
+5D
16
GPI IN Selector
IC203 (16P)
3
IC401
(5P)
+5D
BRG
CN401 (20P)
LCD 16 * 2
28CA1-2001033121-1 1
F E
38 CN606 39 CN607
(15P) (15P)
+5D
16
4 4 4 4 4 4
8
Peak Hold x 16
MUTE[17–32]
NJM
STANDBY[5–8] 4558
MOD_ID[5–8]
OUTPUT_LV[17–32]
PROTECT_MON[17–32]
16 16
4 +5D +5D
20 16
NJM
LEVEL MONITOR Selector x 2
2902 PROTECT Driver x 2
IC609, IC610 (20P) IC612, IC613 (16P)
DSDB2[0–7],
OUTPUT_SEL2 OUTPUT_SEL2
/RD_PS2 /CSPS3, OPLV[3,4]
[1–3] [1–3]
/CSPS4
CN602 (38P)
3 4 5 6 7
* * * * *
34 35
CN504 CN505
(15P) (15P)
+5D 16 -5D-1
4 4 4 4 4 4
8
Peak Hold x 16
MUTE[1–16]
NJM
STANDBY[1–4]
4558
MOD_ID[1–4]
OUTPUT_LV[1–16]
PROTECT_MON[1–16]
16
4 +5D 16 +5D +5D
20 16 16
PROTECT Driver x 2 LEVEL MONITOR Selector x 2 Peak Hold Discharge
IC505, IC506 (20P) IC508, IC509 (16P)
IC507
(14P)
DSDB1[0–7],
OUTPUT_SEL1 OUTPUT_SEL1
/CSPS1,
/RD_PS1 OPLV[1,2]
[1–3] [1–3]
/CSPS2
CN501 (38P)
* 3 * 4 * 5 * 6 * 7
IC113
(14P)
4
HANG FAULT
+3.3D
1,2,4,5
16 4
2 2
PULSE Detector
IC107 (16P)
13 3 2
OK_PULSE
1 5 12–15
MI_GPI
+5D
Power Off
Vd=4.5V
IC301 (5P)
CN102 (5P)
4
CN701 (5P)
INC/YES BACK DEC/NO NEXT
PN
SW701 SW702 SW703 SW704
D C
FAULT
DATA PORT
OUTPUT GPI
(AMP ID 0–31)
+V +V 1 2 3 4 G 1 2
[IN] [OUT]
JK601
-5D-2
4 IC616–631 (8P), 4
TR622–637
+5D_2
3,5,
10,12 GPI OUT Driver
8 6,7
NJM
Transceiver
2734
8 1–4
IC605
+5D RY601 IC603
(8P)
(14P)
16
Peak Hold Discharge
IC614 (16P)
DCOFF[2]
CN601 (20P)
8 9
* *
4
4 IC510–525 (8P),
TR521–536
8
IC526 (16P)
DCOFF[1]
* 8 * 9
CN202 (20P)
IC007 IC006
+3.3B +3.3D +3.3D +3.3D
(56P) (56P)
11,33 * 2 43 * 1 43
SDRAM 128Mbit
SRAM 2Mbit
FLASH ROM FLASH ROM
IC004,IC005
IC009 (44P) (DATA)128Mbit 128Mbit
(54P)
6 14
MAC Address
16bits 16bits 16bits 16bits x 2
/SYSRES
16bits
+3.3D +1.9D
220 20,31,44, 1,37,93,
55,66,77, 139,157,
88,102, 178,202
189
117,134,
161,190,
209,225,231
IRQ[0–5]
8–12, 203 133,135,
136
RXD[0,2,F], SH3 7727
TXD[0,2,F]
191,193,195
CPU: 132.7104MHz
198,199,201
BUS: 66.3552MHz
5
DA[1]
IC002
233–236,239 238
PTK[1]
AN[2–5], (240P)
114
DA[0]
CPU
1 :
* BOOT, PROGRAM（ブート部、プログラム部）
2 : COMPONENT, USER DATA（コンポーネント、ユーザーデータ）
*
B
3 4 G G
CN603
(16P)
4
+5D_2
JK101
20
IC602 (20P),
ENT2
TA601 (18P)
+3.3E
32,33, 7,24
40,41
45
IC109 (48P)
PHY
+3.3D +1.8D 46
(KSZ8721SL)
Regulator 48
IC106 (3P)
MII +1.8D
X101 6,25,40,
36
55,74,
102,117,
18.432M
+3.3E
147,167
37
1,3,9,14,
27,43,49 IC108 (176P)
SDRAM 64M VNP1
SDRAM I/F
(YTD442-RZ)
IC107 (54P)
+3.3D +3.3E
VNP1 Firmware
90,92-97,
100,101,
103-108 82–89 110
IC105
(6P)
CN101 (38P)
CN402 (38P)
CN801
(2P)
1,3,9,14,
+3.3D
27,43,49
OSC
66.3552MHz
X002
+3.3D
5
Reset
4
Vd=3.0V
IC012 (5P)
5
+3.3B
+5D
9
RTC
IC013 (14P)
+3.3D
5,10,
11
Switching
Regulator
Battery
+3.3D
Regulator
Holder
+3.3B
IC302 (5P)
BT001
-5D-1
Battery Backup
Voltage Power
& Check 5
Inverter
Supply
IC010, IC011 (8P)
IC303 (8P)
TR001
-5D-2 Unit
Voltage
+1.9D +3.3D 5
Inverter
Regulator
IC310 (8P)
IC001 (5P)
BLOCK DIAGRAM (ACD1)
A
ACD1
1
X102
25M
+3.3E
5,16,38,
47,71,80,
91,109, 2
121,135,
158,170
48
AC IN 3
AC Inlet
1 2
SW801
PS
4
CN1 (5P)
3
5
3
6