1
2
3
4
5
6
7
8
UB99 DM CIRCUIT DIAGRAM 2/2
DIC-00001-3
2
2
UB99
L
K
J
I
H
G
F
E
D
C
B
A
INPUT
OP AMP
OP AMP
ADC/DAC
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
INVERTER
BINARY
COUNTER
OUTPUT R
INPUT LEVEL
AC IN
OUTPUT L/MONO
: Ceramic Capacitor
(セラミックコンデンサー)
( セ )
: Metal Oxide Film Resistor
(酸化金属被膜抵抗)
酸 金
1SR154-400 (VT532500)
DIODE
DM: D106-112
1: ANODE
2: CATHODE
2
1
NJM7915FA(XD854A00)
REGULATOR -15V
DM: IC113
1
2
3
1: OUTPUT
2: INPUT
3: COMMON
: Carbon Resistor (chip)
(チップ抵抗)
金 被 1 / 1 6 W
NJM7815FA(XD853A00)
REG15V
DM: IC112
1
2
3
1: OUTPUT
2: COMMON
3: INPUT
NJM78M05DLA(XS534A00)
REG5V
DM: IC108, 109
1: INPUT
2: GND
3: OUTPUT
1
2
3
µ
PC29M33T-E1(XU965A00)
REG3.3V
DM: IC111
1: INPUT
2: COMMON
3: OUTPUT
1
2
3
VOLUME
MUTE
Components having special characteristics are marked and must be replaced
with parts having specifications equal to those originally installed.
TO SERVICE PERSONNEL
Critical Components Information