JVC AV-2100QE Service Manual page 35

MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET 2
R910
F901
VA901
CN0PW C901
S901
Y909
X
LF901
Y904
68
TH901
CNDEG C902
Y910 Y911
X
Y905
6.8K
LF902
C903
D901 C905
R901
*
C904
CN00D
*
C906 R903
C910
*
R902
68K
D902
*9
K901
C911
C913
.01
C915 R906
470p 220
D904
R905
6.8K
IC921
D905
D903
*9
C912
22/35
C914
D906
0.1
D907
R908
15K
NOTE) 1. Refer to page 2-xx for voltages of this circuit diagram.
2. Refer to page 2-xx for waveforms of this circuit diagram.
RY901
D981
*3
C983
100/16
R981
22K
Q981
*1
R982
22K
D982
*3
C981
X
Y951
X
Y952
C971
100/25
C991
C992
T921 C955
C918
K955 CP955
*7
D955
*9 C614
X
C966
1000/25
C952
K952 CP952
C974
*7
100/10
D952
C917
*9
X
C963
1000/10
C953
K953 CP953
*7
D953
*9
C964 C976
470/25 100/25
C954
K954
CP954 Y954
*7
R904
68
D954
*9
Y953
C965
X
470/35
C951
K951 CP951 L951
*7
D951
C956
C982
X C961
X
R951
10K
C916
R952
X
X
R953
BW
C978
PC901 X
R959
D973
IC952
X
X
R960
C994
R991 8.2M
IC951
R961
C993
Y970
Y916
X
Y915
X
Y914 Y508
BW X
K958 Y509
GND GND GND GND
5V_STB
5V
9V 14V
8V
32V
H_OUT
P_ON/OFF
9V
PROTECT
5V Q422
*1
R421
10K
Q421
*1 IC401
R471
330K
IC971
C471 R472
22/50 10K
5V_STB
C973
C972
100/10 C428 R422
0.1
220/50 10K
C423
6800p
D423
14V
R424
C424 4.7K
IC972
C427
Y956
BW
D424
R955
10K C431
0.18/50
5V
R956
C979 Y955 R434
5.6K X X
C975 R430 C421
15K X
100/10
R431
R440
6.8
D971
*3
C430
R432
PROTECT
R433
IC973 6.8
C435
D972 C436
*3
R448
1
R957
Q461
0 P_ON/OFF
9V
R958
X D956
8V
Q522
T521
R524
R525 R522
C523
22
47/35
Q521
R523
R520
270
100
H_OUT
C522
R521 D520
.022
1K *3
Y958
X
W-X
Y570
R954
X
22K
32V
W-X1 D957
(No.YA552)2-7 2-8(No.YA552)
CN00D X
R901
C910
MAIN PWB ASS'Y (1/2)
D593
X
Q591
X
SCQ-1403A-H2 [AV-2100QE]
R594
C593
X
X
SCQ-1402A-H2 [AV-21Q17]
D591 R592 D592
X
3.3K
R593
C591 X C592
47/35
SCQ-1407A-H2 [AV-21Q17/L]
X
R591
SCQ-1401A-H2
[AV-21QMG7/G, AV-21QMG7B/G]
SCQ-1408A-H2 [AV-21QMG7/S]
L551 R555
X
T522
C555
R554
18K
D554
R461
82K C551
R462 L521
R551
C553 D551
1000/25 *9
C531
C554 D552
R552
1000/25 *9
C552
C527
Y506
X
Y503 C582
X
X
Y507
X
C529
Y504 Y965 Y966
X X
X
D523
W-Y
*9
Y572 Y571
X X
R527
R572
T523
2.2K
L523
C542
C572
R570
100/16
D524
R526
X
C534
OPEN
C571
Y505
X
Y502
X
L522
C530 R528
470
CN0HV
X X X
X
X X
R582
120K
R583
D581 C581 180K
R581
*9 .1
8.2K
D530
C532
*9
R530 10/250 CN00X
R573
X
CN00B
Q571
R574
22K
Q572
D571
R575
C573
1.8K 47/35
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