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1
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRM
3.1 OVERALL BLOCK DIAGRAM
A
JA1251
L
CD
R
CH-1
L
PHONO
/LINE
R
B
C
C1EQ ASSY
2
1
(1/2)
3
IC1604
NJM4580MD
C
JA1202
L
SESSION
R
JA1201
MIC
PHONES
D
G
MICB ASSY
JA1351
L
CD
R
CH-2
L
PHONO
/LINE
R
E
6
(2/2)
7
5
IC1754
NJM4580MD
F
16
1
2
IC1251
NJM5532MD
Buffer
3
(1/2)
1
4
2
RY1251
(1/2)
3
1
2
3
IC1252
4
NJM5532MD
Buffer
IC1253
NJM5532MD
(2/2)
5
7
Phono Amp.
RIAA
CN1253
2 5
(6P)
CN1602
2 5
(6P)
VR1604
VR1603
(1/2)
(1/2)
(1/2)
1
3
1
3
1
IC1605
IC1603
IC1602
NJM4580MD
NJM4580MD
NJM4580MD
LOW
MID
HI
3 Band Equalizer
2
(1/2)
1
IC1203
IC1202
NJM2068M
NJM4580MD
Session Amp.
IC1201
IC1203
NJM2068M
NJM2068M
Mic. Amp.
Mix Amp.
Mic Level
2
VR1201
(1/2)
1
2
(1/2)
1
3
5
(2/2)
7
IC1351
NJM5532MD
Buffer
3
(1/2)
1
4
2
RY1351
(1/2)
3
1
2
3
IC1352
4
NJM5532MD
Buffer
IC1353
NJM5532MD
(2/2)
5
7
Phono Amp.
RIAA
CN1353
2 5
(6P)
CN1751
2 5
(6P)
VR1754
VR1753
(1/2)
(1/2)
(1/2)
1
3
1
3
1
IC1755
IC1753
IC1752
NJM4580MD
NJM4580MD
NJM4580MD
LOW
MID
HI
3 Band Equalizer
2
3
RY1252
3
IC1255
NJM4580DD
Amp.
2
(1/2)
CN1254
1 4
(6P)
CN1601
1 4
(6P)
VR1601
7
(2/2)
5
TRIM
VR1602
IC1601
NJM5532MD
Buffer
3
VR1605
CN1604
CN1202
(6P)
(6P)
SESSION_IN_L
1
1
3
SESSION_IN_R
3
MIC_EQ_IN
(2/2)
5
7
6
6
MIC_EQ_OUT
5
5
MIC_OUT
12
CN1201
(12P)
F
C2BF ASSY
RY1352
3
IC1355
NJM4580DD
Amp.
2
(1/2)
CN1354
1 4
(6P)
CN1752
1 4
(6P)
VR1751
1
(1/2)
3
TRIM
VR1752
IC1751
NJM5532MD
Buffer
3
D
C2EQ ASSY
DJM-707
3
E
C1BF ASSY
CN1251
(18P)
CH1_OUT_L
1
3
1
CH1_OUT_R
CN1255
SESSION_OUT_R
1 3
5
(17P)
SESSION_OUT_L
7
CN1603
17 15
(17P)
IC1607
NJM4580MD
(2/2)
5
7
NJM4558MD
VR1606
LO
2
(1/2)
1
IC1610
HI
NJM4558MD
VR1607
2Band Equalizer
12
CN115
(12P)
CN1351
CN127
(18P)
(18P)
CH2_OUT_L
1
3
3
1
1
CH2_OUT_R
VR1755
(1/2)
3
1
2
Monitor
Fader
6
IC1750
NJM4558MD
(1/2)
2
1
IC1748
NJM4558MD
(2/2)
6
7
1
5
3
CN1754
7
(7P)
4
CN101
(18P)
3
1
5
7
IC118
MIC
6
(2/2)
7
CN1453
(7P)
CUE_L_OUT
6
2
CUE_R_OUT
CUE_L1
7
CUE_R1
3
CUE_L2
5
CUE_R2
1
4
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