Pioneer DV-373-S Service Manual page 25

5
V+6B
V+3
R422
***
SCART
FLASH ROM
AUDIO AMP
AUDIO MUTE
V+12
CN401
R413
***
B13B-PH-K-S
from POWER SUPPLY
GNDA
V+6
GND 1
SW+12V 2
GND 3
EV+6.8V(B) 4
EV+6.8V(A) 5
E
GND 6
R414
7
SW+3.3V
CN2
***
EV+4V 8
POWER ON 9
C408
GND 10
1
FL DC- 11
12
FL DC+
-28V 13
GNDM GND
B
4/4
R/Cr
R/CR
to IC801 16pin
(page4/4)
GND
B/Cb
B
4/4
B/CB
to IC801 14pin
(page4/4)
B
GND
4/4
G/Y
G/Y
to IC801 12pin
(page4/4)
GND
B
4/4
S_Y
S-Y/Y
to IC801 6pin
(page4/4)
GND
5
6
V+5S
IC401
PQ1M505M2SPQ-TRB
PU
4 5
V+5V
2 1
VIDEO DRIVER
3
AUDIO DAC
GND
V+2R5
IC402
PQ1M255M2SPQ-TRB
DVD IC
4 5
2 1
3
R432 ***
R423
GND
***
V+3_RF
V+3A
IC403
S-L2980A33MC-C6S-TRB
1 5
2
3 4
GND
R443
100K
Q401
Q402
2SA1602A(EF)-TLB
2SC4081(QR)-TLB
R442 R441
100K 6.8K
R444 680
GND
FLDC+
Q403
-28V
2SA1602A(EF)-TLB
URST
to IC601 188pin
(page2/4)
V+3_BE
IC602
K4S641632F-TC75-K
64M SDRAM
C628
1
1 54
C632
VCC VSS
1
DQ0 2 53 DQ15
DQ0 DQ15
3 52
VCCQ VSSQ
DQ1 4 51 DQ14
DQ1 DQ14
DQ2 5 50 DQ13
DQ2 DQ13
6 49
C627
VSSQ VCCQ
1
DQ3 7 48 DQ12
DQ3 DQ12
DQ4 8 47 DQ11
DQ4 DQ11
9 46
VCCQ VSSQ
DQ5 10 45 DQ10
DQ5 DQ10
DQ6 11 44 DQ9
DQ6 DQ9
C629 12 43
VSSQ VCCQ
1
DQ7 13 42 DQ8
DQ7 DQ8
14 41
VCC VSS
DQM0 15 40
C624
LDQM NC
1
DWE# 16 39 DQM1
WE UDQM
DCAS# 17 38 SDCLK
CAS CLK
DRAS# 18 37 SDCKE
RAS CKE
DCS# 19 36
CS NC
DBA0 20 35 MA11
BA0 A11
DBA1 21 34 MA9
BA1 A9
MA8
MA10 22 33
A10/AP A8
MA0 23 32 MA7
A0 A7
MA1 24 31 MA6
A1 A6
MA5
MA2 25 30
A2 A5
MA4
MA3 26 29
A3 A4
27 28
VCC VSS
GND
All resistors and capacitors are 1608 size
unless otherwise specified.
***:parts not mounted
DV-373-S
6
7
B
SCART DOWNLOAD
OPT/COAX OUT
V+3_BEA
DVD IC
V+3_BE
RF IC DVD IC SDRAM
V+3_BEDAC
DVD IC
AUDIO DAC
V+3E
V+3E IC400 V+3E
PST3228-TLB
from/to IC601
(page2/4)
C415
***
69pin FP_XREADY
33P
C414
68pin FP_SI
POWER_ON
R411 100K
63pin FP_SO
C421 33P
FLDC-
FP_SCK
62pin
C409
from IC601 141pin 33P
FP_ACK
1-A1,1-B1
R666
C407
33P
10K
V+3_BE
GND
B
3/4
URST
XNOR/KARAOKE
Q412 from page3/4
DTC114YUA-TLB
GND
: RF SIGNAL ROUTE
RF
: V SIGNAL ROUTE
V
: S-VIDEO OUT C/C SIGNAL ROUTE
S-C/C
: S-VIDEO OUT Y/Y SIGNAL ROUTE
S-Y/Y
: R/Cr SIGNAL ROUTE
R/Cr
: G/Y SIGNAL ROUTE
G/Y
: B/Cb SIGNAL ROUTE
B/Cb
: AUDIO SIGNAL ROUTE
: AUDIO(DIGITAL) SIGNAL ROUTE
D
1, 2, @, #: Refer to "3.3 WAVEFORMS".
7
8
DVDM ASSY
2/4
(VWS1575)
FLASH ROM
to FLKB
CN105
VKN1246
or VKN1191
15
XREADY
14 S(FtoM)
13 POWER ON
12 S(MtoF)
11 XRESET
C
10 SCK
9 XNOR/KARAOKE
8 RESET
7 ACK CN101
6 FLDC+
5 3.3V
4
-28V
3 GND
2 FLDC-
1
GND
V+3_BE
R499
***
B 2/4
25
8
A
B
C
D
E
F