Yamaha AO8-DA8 Service Manual download pdf (Page 20)

DC: 3NA-V412970
MB1: 3NA-V412880
Component side
Component side
to MB1-CN122
CN124
CN126
to DC-CN100
CN101
CN302
to IFC3-CN101to IFC3-CN102
to IFC3-CN401
Power transformer
to DR-CN500
to MB1-CN127
to MB1-CN121
CN123
CN125
Power transformer
to MB1-CN127
to MB1-CN122, CN124,
CN127
IFC3-CN104 IFC3-CN104
to MB1-CN122
CN124
1
DC Circuit Board MB1 Circuit Board
to MB1-CN121
CN123
CN125
to DC-CN100
CN301
CN303
to DC-CN100
CN301
CN303 to DC-CN301
to DC-CN200
CN201
to DC-CN200
CN201
to DC-CN200
CN201
to IFC3-CN105
to IFC3-CN402to IFC3-CN403to IFC3-CN404to IFC3-CN405to IFC3-CN406to IFC3-CN407to IFC3-CN408
AO8
17

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 40 41

SERVICE MANUAL 1
ANALOG OUTPUT BOX 1
REVISED PAGE LIST 2
Connecting the Plug and Cord 3
SPECIFICATIONS 4
PANEL LAYOUT 5
DIMENSIONS 6
CONNECTOR CIRCUIT DIAGRAM 7
KEC-92523-3 8
BLOCK DIAGRAM 9
DISASSEMBLY PROCEDURE 10
IPC2 IPC4 11
7. MB1 Circuit Board 12
8. IFC3 Circuit Board 12
9. Side Panel Assembly 12
12. DC Circuit Board 13
10. AC Assembly 13
11. DC Assembly 13
LSI PIN DESCRIPTION 14
PA9 / TCLKD 16
/IRQ2 / TCLKC 16
IC BLOCK DIAGRAM 17
CIRCUIT BOARDS 18
AC Circuit Board 19
IPC4 Circuit Board 19
DR Circuit Board 19
PSB Circuit Board 19
LED2 Circuit Board 19
UNC Circuit Board 21
IFC3 Circuit Board 22
INSPECTION 23
4. Factory Settings 24
TEST PROGRAM 25
B. Inspection Method 26
2. AO8 - IFC3 Test 27
C. Inspection Items 27
1. AO8 - UNC Test 27
NG example 28
4. AO8 - IPC4, LED2 test 29
5. AO8 - IPC2 test 29
ERROR MESSAGES 30
PARTS LIST 31
OVERALL ASSEMBLY 32
: Japan only 33
SIDE PANEL ASSEMBLY 34
MOTHER ASSEMBLY 36
ELECTRICAL PARTS 37

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Yamaha AO8-DA8 Service Manual Page 20

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