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BCORR/VGUARD
BLYIN
R
G
B
VDD A
VPE
VDD C
OSDGND
XIN
XOUT
RESET
VDD P
MUDO
PW ON
IR
6.2 - IC 901 (TDA16846)
SIGN
PIN
OTC
PCS
RZI
SRC
OCI
FC2
SYN
NC
REF
FC1
PVC
GND
OUT
13
VCC
6.3 - IC 450 (TDA9855)
SIGN
PIN
TL
B1L
B2L
OUTS
NC
OUTL
LOL
CAV
VREF
LIL
FIL
SOL
14
LOL
15
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49
ABL
50
BEAM CURRENT
51
RED
R
52
GREEN
G
53
BLUE
B
54
SUPPLY
55
GROUND
56
SUPPLY
57
GND OF OSC 12MHZ
58
CRISTAL OF 12MHZ
59
CRISTAL OF 12MHZ
60
RESET CIRCUIT
61
SUPPLY 33V
62
MUTE
63
POWER
64
IR INPUT
DESCRIPTION
1
OFF TIME CIRCUIT
2
PRIMARY CURRENT SIMULATION
3
REGULATION AND ZERO CROSSING INPUT
4
SOFT-STAR AND REGULATION CAPACITOR
5
OPTO COUPLER INPUT
6
FAULT COMPARATOR 2 (GND)
7
SYNCHRONIZATION INPUT
8
NOT CONNECTED
9
REFERENCE VOLTAGE AND CURRENT
10
FAULT COMPARATOR 1 (GND)
11
PRIMARY VOLTAGE CHECK
12
GROUND
OUTPUT ( PWM PULSE)
14
SUPPLY VOLTAGE
DESCRIPTION
1
TREBLE CONTROL CAPACITOR, LEFT CHANNEL
2
BASS CONTROL CAPACITOR, LEFT CHANNEL
3
BASS CONTROL CAPACITOR, LEFT CHANNEL
4
OUTPUT SUBWOOFER OR OUTPUT SURROUND SOUND
5
NOT CONNECTED
6
OUTPUT, LEFT CHANNEL
7
INPUT LOUDNESS, LEFT CHANNEL
10
AUTOMATIC VOLUME CONTROL CAPACITOR
11
REFERENCE VOLTAGE 0.5 VCC
12
INPUT LINE, LEFT CHANNEL
13
INPUT AUTOMATIC VOLUME CONTROL, LEFT CHANNEL
OUTPUT SELECTOR, LEFT CHANNEL
OUTPUT LINE CONTROL, LEFT CHANNEL
19
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