35
R625
10K
1/16W
R4
0
1/10W
R621
4.7K
1/16W
R614
100
1/16W
C635
560pF
R629
10K
1/16W
R619
31.6K
1/16W
R647
NC
R655
3.9
3W
C664
0.1uF
R654
3.9
3W
R
636
1K
1/
16W
C641
0.0047uF
+
C643
2.2uF/16V
L_OUT
11
L614
120 OHM
C639
0.47uF/50V
+
C653
10uF/16V
L604
300 OHM
+
C649
10uF/16V
+
C651
10uF/16V
R
630
1K
1/
16W
PC_R
11
C669
0.1uF
R632
3.9K
1/16W
R622
1.5K
1/16W
R615
1K
1/16W
TV2054-2Ea
1.0
AUDIO
AOC (Top Victory) Electronics Co., Ltd.
A3
10
13
Wednesday , April 07, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
MUTE
6
R
617
NC
PC_L
11
R627
3.9K
1/16W
R459
0
1/10W
EAR_L
1
R618
47K
1/16W
R616
100K
1/16W
Audio_R-
1
R645
0
1/10W
C672
330p
R628
1K
1/16W
+
C652
100uF/16V
R612
10K
1/16W
C655
0.1uF
EAR_R
C645
0.1uF
R620
3.9K
1/16W
8V
PRE_R
+
C648
100uF/16V
R643
3.9
3W
PRE_L
R640
10K
1/16W
SRS_CTL
6
AGND
C
656
0.
001uF
C
658
0.
001uF
EAR_R
1
C
657
0.
001uF
1
U603
PT2308S
1
8
2
7
3
6
4
5
OUT1
VDD
IN1-
OUT2
IN1+
IN2-
GND
IN2+
R656
0
1/10W
R
600
NC
L600
300 OHM
C647
0.22uF
+
C638
22uF/16V
U600
M62438FP
1
2
3
4
5
6
7
8
9
10
VCC
IN R
DIFF
FILTER
OUT R
GND
CNTL
OUT L
IN L
REF IN
del c632.c633
5V_A
C671
0.1uF
R624
100
1/16W
C666
0.1uF
R_OUT
11
R639
10K
1/16W
Q600
PMBS3904
3
2
1
AUDIO_GND
C665
0.1uF
C654
0.1uF
1
CP600
22pF
1
2
3
4
5
6
7
8
L608
150 OHM
PRE_R
L607
150 OHM
L612
120 OHM
AGND
L605
150 OHM
R644
3.9
3W
12V_A
C640
0.47uF/50V
R613
100
1/16W
R646
NC
+
C646
100uF/16V
R638
1K
1/16W
R657
0
1/10W
+
C644
220uF/16V
For without SRS
C634
560pF
+
C642
2.2uF/16V
L606
150 OHM
L611
120 OHM
Audio_L-
1
C670
0.1uF
R637
1K
1/16W
R631
3.9K
1/16W
C650
0.22uF
C673
330p
L613
120 OHM
LP600
120 OHM(8P4R)
1
2
3
4
5
6
7
8
PRE_L
R634
1K
1/16W
R633
10K
1/16W
U602
TDA7266D
7
14
9
13
1
10
11
20
2
5
19
16
6
15
8
IN1
IN2
ST_BY
S_GND
PW_GND
PW_GND
PW_GND
PW_GND
OUT1+
OUT1-
OUT2+
OUT2-
VC
C
VC
C
MUTE
R658
0
1/10W
R635
3.9K
1/16W
R652 0
1/16W
R626
10K
1/16W
C668
0.1uF
CN601
PC_AUDIO
1
2
5
3
4
C667
0.1uF
C
659
0.
001uF
L610
150 OHM
R611
10K
1/16W
R623
100
1/16W
CN600
CONN
1
2
3
4
5
EAR_L
Summary of Contents for PB20C
Page 15: ...14 5 2 Main Board Power Circuit 5 3 Remote Control Block ...
Page 16: ...15 5 4 Key Board Control Block 5 5 PC Control Block ...
Page 17: ...16 ...
Page 18: ...17 5 6 Audio Control Block ...
Page 22: ...21 7 SOFTWARE FLOW CHART ...
Page 23: ...22 ...
Page 24: ...23 ...
Page 26: ...25 8 2 POWER BOARD BLOCK DIAGRAM ...
Page 44: ...43 9 3 KEY BOARD SCHEMATIC DIAGRAM ...
Page 45: ...44 9 4 HEADPHONE JACK BOARD SCHEMATIC DIAGRAM ...
Page 46: ...45 9 5 IR BOARD SCHEMATIC DIAGRAM ...
Page 47: ...46 10 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 79: ...78 12 PCB LAYOUT 12 1 MAIN BOARD PCB LAYOUT ...
Page 80: ...79 12 2 PWPC BOARD PCB LAYOUT ...