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1 2 3 4 5 6 7 8
+VA C14
R12 R13 33K 682
+VB *
10K
C13
R01 1K C12 R15
R *
D R1 100K C01 R14 3.3K D
AUX1 U3A 0.1UF 8.2K R16
101
0.1UF 4558
R11 8.2K C15
L R01' 1K
* 47K 472
R1' 100K C01'
101
+VB 14'
R R12' R13' 33K 682
*
R2 100K
+VB *
RADIO 10K
U1 PT2323 C13'
C12' R15'
R2' L
*
100K C1 10UF
C1' 10UF 1 R1 28 +5V J3' R14' 3.3K
L1 0.1UF
U3B
4558
0.1UF 8.2K R16'
1
R3' 100K C2' 10UF 2 L2 R2 27 C2 10UF R
2
TO RADIO TUNER
R11' 8.2K C15'
472
3 47K
3 L
FL
R03' 1K
L3 R3 26 4
RL3 22K C03' 4 R4 25 C6
101 L4 MC104 +VB +VA
R3 100K R6 R7 10K R18 R19 100K
C3' 10UF 5 24 10K
FLI LPF-I 10K R20 R21
R03 1K +VB C17
10UF 6
LPF-O 23
C3 C7 MC104 U2 TDA7448 5.1K 5.1K
FR FRI C16
C03 270
RR3 7 R8' 7
FLO 22 2
22K C4' 10UF C8' 10UF U4A 0.47UF
101 IN1
C R04' 1K
CTI FL OUT1 0.22UF 4558 R22 C
19 C18
8 R8 270 14 R17 C19
CT *
C02
C4 10UF
SUBI FRO 21 C8 10UF
IN2 FR OUT2 47K 104 100K 104
R4' 100K
101 C5' 10UF 9 20 R9' 270 C9' 10UF 3 6 J3
R04 22K SLI CTO IN3 CEN OUT3
SUB 1 FR
10UF10 18 15
SUBO 19
C04 C5 R9 270 C9 10UF
R4 100K 104 *!
SRI 1N4 SUB OUT4 C22
2 FL
* 3
11 R10' 270 4 5 R24 10K R25 33K 682 SUB
SLO 18
R05' 1K C10' 10UF 4
SL MIXO IN5 SL OUT5 * 5 CEN
R5' 100K C05' 12 17 R10 270 17 16 +VB C21 6
C10 10UF R27
101 VCC SRO 1N6 SR OUT6 C20 7 SR
R05 1K
13 11 R26 3.3K 8 SL
SR
REF SCL 16 GND SCL
10
0.1UF
U4B
4558
0.1UF 8.2K R28 CON8
R5 100K 14 20 8.2K C23
SDA 15
R23
C05
GND CREF SDA 9 47K 472
101 C33' C11 C11' 8 12
104
10UF NC ADDR
1 13
10UF
VS NC +VB
C33''
104 +VA C26
C32'
R30 R31 33K 682
SDA *
10K
47UF SCL +VB C25
C24 R33
C32''
B R32 3.3K B
47UF U5A 0.1UF 8.2K R34
0.1UF 4558
R29 8.2K C27
R35 Q1 8050 +VA /+8.5V 472
47K
C30 220/1W
J1 47UF R36 C32 R37
25V 1K 47UF 3.3K
MUTE 5 10-100MA C36 +VB
SCL 4 U6 25V/20V 47UF
25V C33 +VB/+4.2V C26'
SDA 3 +5V R39
+5V 2 7805 1 104 R30' R31' 33K 682
1 220/2W 2 C31 ZD1 *
DGND R38 10K
47UF 9.1V 3.3K +VB C25'
CON5 C35 C37 CON2 C34 R33'
47UF 47UF C24'
25V J2 47UF R32' 3.3K
U5B 0.1UF 8.2K R34'
U7 0.1UF 4558
R29' 8.2K C27'
47K 472
+12V 7812
10-100MA
C38
47UF
+VB
A A
Title
A-6660 PRE-AMPLIFIER
Size Number Revision
A3
Date: 6-May-2005 Sheet of
File: D:\AN\A-6660R.ddb Drawn By: L.M.An
1 2 3 4 5 6 7 8
PDF created with FinePrint pdfFactory trial version http://www.fineprint.com
1 2 3 4
SMG1 SMG2
STBY MUTE 5.1IN 2.0IN 5.1OUT 2.1OUT POWER POWER
a LED01 LED02 LED03 LED04 LED05 LED06 LED07 LED08 GND5
f b g dp a f b c e d
g
D * * D
e c
d
GND1
GND3
GND4
GND2
dp
bb
dp
bb
gg
dd
gg
cc
aa
dd
cc
aa
ee
ee
ff
ff
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
dp
a * 1J5 * 1J7
f 0 0 * 1JR7 * 1JR5
330 330
b
c
e
d
+5v
1R4 1R5 1R6 1R3 1R7 1R8 1R10 1R9
330 330 330 330 330 330 330 330
C C
b 14 15 c
PB4 PB5
f 13 16 d
PB3 PB6
a 12 17 e
PB2 PB7
dp 11
PB1 PC0 18 GND4
ECD1
g 10 19 GND5 UOLUME
+5V
HS0038B PB0 PC1
IR GND2 9 20
VCC 1C6 PA3 PC2
104 GND1 8 21
GND PA2 PC3 A C B
GND3 7 SW-PB
3
2
1
OUT PA1 22 INPUT SEL
B PC4 B
J1 6 23
CON4 PA0 PC5
DGND 1 5 24
+5V 2 NC PC6 R11 1R14 1R15
SDA 3 4 25 10K 10K 10K
SCL 4
1R17
1C1 VSS PC7 1C4
470 47UF 1C2 3 26
47uf 104 +5V NC OSC2
MUTE 1 2 27 30
CON1
VDD OSC1 +5V
1R1 1 28 CTL
1R12 1R13 1R16 RTCC MCCK 6MHz
10K
10K 10K 10K 1C3 1C5 "*" A-6660 NO USED
104 1R2
1U1 10K
30
+5V Title
A A
A-6660 DISPLAY AND CONTROL BOARD SG16C57
Size Number Revision
A4
Date: 6-May-2005 Sheet of
File: D:\AN\test-1.ddb Drawn By: L.M.An
1 2 3 4
PDF created with FinePrint pdfFactory trial version http://www.fineprint.com
1 2 3 4 5 6 7 8
1C1
1R1 MC104
FRONT R 1K
1D6
JKFRFL
1R3
1R2 +VP
22K 100K
4148 1C6 1C7
FRONT L 104 100UF
D 5 10 3 16 1C5 D
470UF 16V
8 1 + 1C02
1JK1 SP1
1C1' 104
1R1' 4 OHM
FR 1 MC104 1C5' -
1K 6
G 2 470UF16V
4 -
FL 3 1U1 SP2 1C02'
1R05
1R2' 4 OHM 104
9.1K 1C3 TDA8947J +
22K 1Q2 11
8550
100UF
14
16V
9
2C1
1R06 2C02 - SP3
12K
MC224 104 8 OHM
BASS 2R1 12 17 +
SW 1
G 2 1K
CEN 3 2R2
JKBC
13 7 2 15
1JK2 22K
1C4
CENTER 100UF
1D7
C 1R4 C
1JK3 +VP
SR 1 4148 100K 1C10 1C11
G 2 104 100UF
SL 3
5 10 3 16
12
3C1 3C5
MC104 17 3C02
3R1 9
+104
470UF SP4
1K 1R07
- 4 OHM
3R2 9.1K 1U2 14
22K 1Q3 1C8 TDA8947J
8550 11
MUT 1
4C1 4C5
G 2