JVC TH-P3A Service Manual page 43

Front section
54 53 52 51 50 49
R505
R501
R502
R503
LVA10644-A5
KEY PWB
S531 to S538
QSW0683-001Z
R531 R532 R533 R534
3.3k 3.9k 6.8k 15k
S531 S532 S533 S534
OPEN/CLOSE PAUSE PLAY VOL UP VOL DOWN
1
KEY2
2
KEY1
3
BGND
4
B5V
5
STANDBY
R521 R522 R511
390
3.3k 3.9k NRSA63J-391X
S536 S537 S538
D511
POWER SOURCE STOP
SLR-343VC/NPQ-T
STANDBY
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
3254
DI501 QLF0168-001
FL DISPLAY
-19.1V
NC G10
-19.1V
NC G11
-21V
NC G12
-21.1V
NC
VEE
82K -20.8V
OSC
S16
-16.9V
NC S15
FL DRIVER -20.8V
1k
DI-DT
S14
1k 2.6V -18.9V
DI-CK
S13
1k 2.6V -20.8V
DI-CS
S12
0V -20.8V
K1 S11
0V -17V
K2 S10
IC501
PT6315
LVA10643-A2
K8004
GND 5 0
GND 4
S535
K8003 NQR0022-002X
D+ 3
K8002 NQR0022-002X
2
D-
K8001 NQR0502-001X
VBUS 1
LED
NOTES:
1.VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION POWER-ON. SOUCE:DVD STOP.
2.UNLESS OTHERWISE SPECIFIED.
ALL RESISTANCE VALUES ARE IN OHMS.
ALL INDUCTANCE VALUES ARE IN H.
ALL CAPACITANCE VALUES ARE IN F.
8 7 6 5 4 3 2 1
C515
0.01/50
G7
G6
S17
S16
S15
S14
S13
S12
S11
S10
REMOCON
IC511
GP1UM261XKVF
1 2 3 4 5
B5V
USB
D8001
NI
2
1
3
HP-DET
HP-R
AGND
HP-L
NI
EP801
QNZ0136-001Z
1 2 3
P IS pF.
2-6
LVA10644-A2
FL PWB
F-
13
12 F+
-VDISP
11
D5V
10
FLGND
9
DGND
8
DI-CK
7 DI-CK
DI-DT
DI-DT
6
DI-CS
5 DI-CS
B5V
4
3 BGND
REMOCON
REMOCON
2
1 NC
QGF1205F2-13
CN501
LVA10644-A4
K5901-K5903
NQR0007-002X HEADPHONE OUT
R5902 33 K5902
J5901
0.01 QNS0231-001
C5906
2
R5901
3
4
R5903 33 K5901
1k 1
3
4
2
6
1
C5905
5
0.01
K5903
7
W5901
QUB220-05DMHP-E
1
TO MAIN PWB