Sony DVP-PQ2 (serv.man2) Service Manual ▷ View online
DVP-PQ2
4-41
4-42
SWITCHING REGULATOR
DPSN-20CP-2
DPSN-20CP-2 (SWITCHING REGULATOR) PRINTED WIRING BOARD (AEP,UK)
•
: Uses unleaded solder.
For printed wiring board
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
1-468-694-22
DPSN-20CP-2 BOARD
SW-406
(FUNCTION SWITCH)
(FUNCTION SWITCH)
SW-407
(DOOR SWITCH)
(DOOR SWITCH)
AV-77
(AUDIO/VIDEO OUT)
(AUDIO/VIDEO OUT)
IF-106
(INTERFACE CONTROL)
(INTERFACE CONTROL)
HP-137
(HEADPHONE)
(HEADPHONE)
MB-108
(SIGNAL PROCESS, SERVO)
(SIGNAL PROCESS, SERVO)
SWITCHING REGULATOR
DPSN-20CP (US,CND,MX)
DPSN-20CP-2 (AEP,UK)
DPSN-20CP (US,CND,MX)
DPSN-20CP-2 (AEP,UK)
DVP-PQ2
1
A
B
C
D
E
F
G
H
I
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
4-43
4-44E
For Schematic Diagram
• Refer to page 4-41 for printed wiring board of DPSN-20CP-2 board.
DPSN-20CP-2 (AEP,UK)
SWITCHING REGULATOR
-REF.NO.:6000 SERIES-
XX MARK:NO MOUNT
SWITCHING REGULATOR
-REF.NO.:6000 SERIES-
XX MARK:NO MOUNT
NO MARK:PB MODE
SWITCHING REGULATOR
DPSN-20CP-2
5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
DVP-PQ2
Pin No.
Pin name
I/O
Function
1-5
HA17-HA21
O
Address bus A17-A21
6
HA22
-
Not used
7
WP
O
I2C EEPROM write protect output
8
XSACS
-
Not used
9
AVCC
-
Power supply (+3.3 V)
10
AVRH
-
Reference power supply (+3.3 V)
11
AVSS
-
Ground
12
AN0
I
Set of mode 0
13
AN1
I
Set of mode 1
14
AN2
I
Set of mode 2
15
AN3
I
S101 interrupt
16
INT0
I
AV DEC Interrupt input
17
INT1
I
ARP Interrupt input
18
INT2
I
SDSP Interrupt input
19
INT3
-
Not used
20
INT4
I
IF CON Interrupt input
21
INT5
-
Not used
22
INT6
-
Not used
23
INT7
-
Not used
24
VCC
-
Power supply (+3.3 V)
25
SI0
I
Serial bus 0 (data input)
26
SO0
O
Serial bus 0 (data output)
27
SC0
O
Serial bus 0 (clock output)
28
SI1
-
Not used
29
SO1
O
Serial bus 1 (data output)
30
SC1
O
Serial bus 1 (clock output)
31
SI2
I
Serial bus 2 (data input)
32
SO2
O
Serial bus 2 (data output)
33
DSENS
-
Not used
34
VSS
-
Ground
35
XRST
O
System reset signal output
36
XARPRST
O
WIDE Select signal output
37
RGBSEL
-
Not used
38
SDA
I/O
I2C data input/output
39
SCL
O
I2C clock output
40
TRM+
-
Not used
41
EUROV
-
Euro Video Signal
42
EXT/DSEL
O
I/P select signal output
43
MD0
I
Input of mode select 0 (fixed at “ H”)
44
MD1
I
Input of mode select 1 (fixed at “ L”)
45
MD2
I
Input of mode select 2 (fixed at “ L”)
46
DREQ0
I
AV DEC DMA-REQ 0 input
47
DACK0
O
AV DEC DMA-ACK 0 output
48
XDRVMUTE
O
Drive mute signal output
49
DREQ1
I
AV DEC DMA-REQ 1 input
50
DACK1
O
AV DEC DMA-ACK 1 output
51
XIFCS
O
IF CON Chip select signal output
52
VSS
-
Ground
53
X1
O
Clock output (16.5 MHz)
54
X2
I
Clock input (16.5 MHz)
5-1. SYSTEM CONTROL PIN FUNCTION
(MB-108 BOARD IC104: MB91307RPFV-G-BND-E1)
5-2 E
Pin No.
Pin name
I/O
Function
55
VCC
-
Power supply (+3.3 V)
56
CKSW1
-
Not used
57
OCSW1
-
Not used
58
CS0X
O
External ROM chip select signal output
59
CS1X
O
Extranal RAM chip select signal output
60
CS2X
O
AV DEC Chip select signal output
61
CS3X
O
AV DEC Chip select signal output
62
CS4X
O
ARP Chip select signal output
63
CS5X
O
SDSP Chip select signal output
64
VCCI
-
Power supply (+1.8 V)
65
CS6X
-
Not used
66
CS7X
-
Not used
67
XWAIT
I
Wait signal input
68
BGRNTX
I
Test terminal (fixed at “H”)
69
BRQ
I
Test terminal (fixed at “L”)
70
XRD
O
Read enable signal output
71
XWRH
O
High byte write enable signal output (16 bit and 8 bit)
72
XWRL
O
Lower order (progre only)
73
NMIX
I
Not used (fixed at “H”)
74
VCCI
-
Power supply (+1.8 V)
75
VSS
-
Ground
76
XFRRST
I
IF CON Reset signal input
77
CPUCK
O
CPU clock signal output
78
OCSW2
-
Not used
79
XDACS
O
DAC (2ch) chip select signal output
80
TRM–
-
Not used
81
48/44.1K
O
PLL FS control signal output
82
WIDE
O
Laser diode mute signal output
83
MA_MUTE
O
Audio mute signal output
84
SRAMWE
O
SRAM write enable (progre only)
85-92
HD0-HD7
I/O
Data bus D0-D7 (16 bit only)
93-100
HD8-HD15
I/O
Data bus D8-D15 (16 bit) , D0-D7 (8 bit)
101
VSS
-
Ground
102-109
HA0-HA7
O
Address bus A00-A07
110
VCC
-
Power supply (+3.3 V)
111-118
HA8-HA15
O
Address bus A08-A15
119
VSS
-
Ground
120
HA16
O
Address bus A16
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