– 33 –
1
2
3
4
HOT
SG
FG
FG
TB HA
MONITOR A
TB MIC
MIC41
CN58
CN99
CN97
CN97
1
2
1
2
3
4
1
3
(+38 dB – +8 dB)
(+30 dB)
(0 dB)
(0 dB)
(+2.7 dB)
(+17.3 dB)
(0 dB)
(0 dB)
MONITOR B
(0 dB)
(0 dB)
3
2
VR41A
IC41A
IC1A
IC1B
IC41B
VR41B
1
3
1
5
TO
AD/DA BOARD
. . . . . . . CN58
TO
AD/DA BOARD
. . . . . . . CN99
7
5
7
MONI BL S
MONI BL R
MONI BL G
MONI BR S
MONI BR R
MONI BR G
TB
TB GND
+14.5V
–14.5V
1
2
3
4
5
6
7
8
9
10
TB BOARD
MONITOR VR BOARD
HP BOARD
MUTE
DMR
MONI AL S
MONI AL R
MONI AL G
MONI AR S
MONI AR R
MONI AR G
1
2
3
4
5
6
7
8
4
6
5
VR1A
Q3
Q1
Q2
DIMMER
MUTE
Q4
1
3
2
VR1B
4
6
5
IC2A
IC2B
3
1
5
7
Q1
Q2
MUTE
IC1A
IC1B
Q3,Q6
JK1
Q7,Q10
3
1
1
2
3
5
7
CN59
CN59
HP L
AG L
AG R
HP R
+14.5V
–14.5V
MUTE
1
2
3
4
5
6
7
1
2
3
4
5
6
7
VR1A
1
3
2
VR1B
4
6
5
IC21A
IC21B
3
1
5
7
VR21A
Q21
Q22
MUTE
1
3
2
VR21B
4
6
5
+14.5V
–14.5V
+14.5V
–14.5V
+14.5V
–14.5V
BLOCK DIAGRAM OF MONITOR VR / HP / TB BOARDS