Block Diagram - Yamaha AD824 Service Manual

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BLOCK DIAGRAM

CH1
RY101
INPUT
PAD
JK101
JK
INSERT OUT
JK102
INSERT IN
JK103
AD
CH2
CH3
CH4
CH5
CH6
CH7
CH8
MYSL
D-FF
IC928,
929
CN051b
CN054
CN901
SLOT
IC916
RESET
CN051a
IC919
D-FF
CN053
CN902
SLOT
CN053
CN901 OUT3/4, O UT7/8
CN054
CN902
OUT1/2, O UT5/6
MAIN
KEC-92536
HA
+48V
IC101
HA1
IC102
HA2
Q102
HA1
PAD
PN
IC101
CN102
CN101
CN962
CN002
LEVEL
IC103
IC104
IC104
BA
7
7
1
44.1kHz
48kHz
BNC
INTERNAL
SLOT
WORD CLOCK
CN904
CN960
CN961
SWA
CN905
84
RES
SH7042A
CPU
47,48
COMA-TX, TX-COMB
TX, RX
5
74
EXTAL
90
MUTE
PE4
9
LOCK48
IC911
88
87
15
LOCK44
WORD
CLOCK
SELECT
12
INT 44.1kHz
X901
3
D-FF
INT 48kHz
X902
IC907
11
3,9
HA2A ,HA2B ,HA2C
HA1
PAD
PERK
NOMINAL
SIGNAL
AD
AINL+
4
AINL–
5
AINR+
25
AINR–
24
AD
AD
AD
+48V x 8
SEL x 8
+48V
MASTER
SEL1~8
SWA,SWB
+48
256k SRAM
IC923
15
PLL &
TIMING
GEN.
IC921
IC922
36
36
EXT-DIRIN
XI
9.8304MHz
HA
ADD-0~7
D-FF
IC001
–006
AD
SDATA
15–18
A / D
FS
6
BUFF
64FS
7
AK5342
256FS
9
CN003
IC105
IC008
8
RESET
A / D
AK5342
IC305
A / D
AK5342
IC505
A / D
AK5342
IC705
PN
Rotary Encoder
GAIN
dB
EC960
ECA,ECB
CN903
BUFF
IC932
256k SRAM
8M ROM
BUFF
IC924
IC927
IC933
19
3,5
CN909
MUTE
2,4
IC901
RS422
PC
COM B/SLOT
9,15
SELECT
IC903
INT/EXT
5,6
7
SELECT
IC913
OFF
7
56
ON
SELECT
11
3,4
IC910
SW901
AD824
CN002
CN907
PC/RS422
COM
RS422
CN908
JK902
OUT
WORD CLOCK
IN
JK901
9

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