Circuit Diagrams; Main Pwb Circuit Diagram (1/3) - JVC AV-21TG16 Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/3) SHEET 1
AUDIO
FRONT
IN
VIDEO
VIDEO
REAR
IN
AUDIO
VIDEO
REAR
OUT
AUDIO
2-5(No.YA414)
R773
560
POWER LED(GREEN)
ON TIMER LED(RED)
R749
4.7k
D707
*4
C712
.01
C725
C720
X
R746
10k
MAIN PWB ASS'Y (1/3)
SCG-1530A-H2
J006 X
J004
J003
C841
J002
1500p
QNN0384-001
VIDEO
1
R802
75
AUDIO
R810 56
C842
QRG01GJ-560
X
C805
Q803
220/16
KTC3199/YG/-T
BUFFER
R811
220
C806
R807
470/16
68
LINE_V
R806
270
1/2W
R815
C811
180 1
10/50
1/2W
R816
R817
680 LINE_A
Q804
4.7k
2SC3928A/QR/-X
SW
A_MUTE
C812
X
NOTE) 1.Refer to the parts list for the part number of IC702.
D704
R772
SPR-39MVWF
390
S702 QSW0619-003Z
S701 QSW0619-003Z
R721
10k
R726
4.7k
SW
C721
Q708
.033
*3
Q710
SW
*3
R728
1k
R748
R740
100
3.9k
R741
C738
560
X
C744 .01
IC701
MN1873287JJ1
MICOM
.01
C723
X
R718
R734
560
X
R706 R707
560 560
R716
680
S704 QSW0619-003Z S705
S703 QSW0619-003Z QSW0619-003Z
R727 R731 R730
C727
15k 4.7k 10K
.1/16
R736
82k
K703
C728
QUY153-050Y
180p
CH
C730
K704
.01
QUY153-050Y
C729
180p
CH
C709
.01
R738
10k
CH
X701
QAX0884-001
C711 C710
.01 100/16
R714
4.7k
Y705
R720
QUY153-050Y
4.7k
R713
R715
4.7k
680
R712
4.7k
SCL1
PIC_MUTE
SDA1
Y161
QUY160-100Y
Y975
QUY160-150Y
Y001
QUY153-050Y
R374
Y002
6.8K
QUY153-050Y
IC704
GP1UM281QK
REMOCON RECEIVER
C719
1/50
D701
X
R771
0
R701
X
IC702
MEMORY
L7
R739
10k
Q703
2SC3928A/QR/-X
CH
C705
470/16
Q702
2SC3928A/QR/-X
R742 56k
C724
R797
SW
15k
150p
2
R307
1.2k
SDA1
R308
1.8k
SCL1 R
2
2