Pioneer DV-490V-S Service Manual page 23

5
NOTE : THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
CD
JG008
TP2341
3.3
LD DRIV for CD
Q2302
KTA1504S_Y_RTK
0
DVD
JG009
TP2342
3.1
LD DRIV for DVD
Q2303
KTA1504S_Y_RTK 2.0
VC2 TP2339
1.4 0.0
37 36 35 34 33 32
8 9 10 11 12 13
2.5 2.5 2.6 0.0 0.0 1.4 3.9
5
6
NOTE : THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
3.3
LD DRIV for CD
3.3 Q2304 3.3
KTA1504S_Y_RTK
0
LD DRIV for DVD 3.1
2.5 Q2305 2.5
KTA1504S_Y_RTK
2.0
15K +-1%
1.4 1.4 1.1 1.4
31 30 29 28 27 26 25
14 15 16 17 18 19 20
2.5 2.7 5.9 5.9 1.4
18
TP2337
TP2338
6
7
RF33
JG010
TP2332
W807
V+3F
LDO1
LDO2
TP2333 STBY
R2325
TP2334 DMSO
SPINDLE
V1P4
1.4
24 23
21 22
1.4 1.4
TP2336
R2330
FMSO
10K+-1%
SLED
DV-490V-S
7
8
(RF)
: RF SIGNAL ROUTE
FROM/TO MPEG/MICON/DSP
V20
(A)
A
(B)
B
(C)
C
(D)
D
(E)
E
(F)
F
MDI1
LDO2
LDO1
IOA
V1P4
LIMIT
A 1/7
TROUT
TRIN
STBY
DMSO
FMSO
TRCLOSE
TROPEN
TRSO
FOSO
OPO
OP+
OP-
(RF)
RF
FROM POWER PORT
V+3F
V+5S
A
V+6A
D_GND
M_GND
PCB130
DMF073
A 3/7
8
A
B
C
7/7
D
E
F
23