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– AU/JACK Board –
IC351
BH3863F-E2
– CD MOTOR Board –
IC1001
BA6892FP-E2
– CD O/C Board –
IC711
BA6289F-E2
– WOOFER AMP (A) Board –
IC812
TDA7296
1
BASS1
2
SIMOUT1
3
SIMIN1
24
TRE1
22
BOUT1
23
BIN1
OUT1
17
16
15
14
CAP
OUT2
BOUT2
BIN2
8
ALCC
4
IN1
BASS
DINAMIC
BASS
FILTER
20
21
SI
19
SCK
18
DBC
5
VCC
6
FIL
TER
7
GND
DIGITAL
CONTROL
TREBLE
VOL
9
IN2
10
SIMIN2
11
SIMOUT2
12
BASS2
BASS
VOL
0dB/6dB
0dB/6dB
13
TRE2
DINAMIC
BASS
FILTER
TREBLE
DRIVER
CH4
PVCC
28 27
26
25
24
23 22 21 20 19 18 17
16 15
VCC
–
+
CH4
MUTING
–
+
CH3
MUTING
DRIVER
CH3
DRIVER
CH1
PVCC
1 2
3
4
5
6
7
8
9 10 11 12
13 14
+
–
CH1
MUTING
+
–
CH2
MUTING
DRIVER
CH2
THERMAL
SHUTDOWN
BIAS
IN1
MUTE1
IN2
MUTE2
TEST
PREGND
PWGND
PWGND
VCCPOW
OUT2–
OUT2+
OUT1–
OUT1+
VCCPRE
IN4
MUTE4
IN3
MUTE3
NC
PRGND
PWGND
PWGND
VCCPO
W
OUT3–
OUT3+
OUT4–
OUT4+
8 7
6
5
1
2
3
4
THERMAL
SHUTDOWN
POWER
SAVE
CONTROL
LOGIC
DRIVER
GND
OUT2
VREF
RIN
OUT1
VM
VCC
FIN
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY
-GND
IN–
IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS
–VS
STBY
MUTE
NC
NC
+PWVS
OUT
–PWVS
14 15
12
13
10
11
8 9
6
7
5
3
4
1 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
Summary of Contents for PMC-MD55 - Md Boombox
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