Schematic Diagram - System Section (4/5) - Sony PCM-D50 Service Manual

4-18. SCHEMATIC DIAGRAM – SYSTEM Section (4/5) –
1 2
SYSTEM BOARD (4/5)
A
JL1605
B
SYSTEM
72
BOARD
VDD_IOA
(1/5)
(Page 34)
SYSTEM
C 71
BOARD VDD_DDCOUT33
(1/5)
(Page 34)
(Page 34)
SYSTEM
23
BOARD
USB01
(1/5)
D
SYSTEM
44
BOARD VDD_GP1
(5/5)
(Page 38)
USB_XRST
USB_XINT
SYSTEM
24
BOARD
(1/5)
(Page 34)
USB_INT
E
SYSTEM
75
BOARD DGND
(1/5)
(Page 34)
F
JL1604
DGND
JL1603
DDCOUT33
POWER
H
BOARD
JL1602
VBUS GND
(2/4)
(Page 42)
JL1601
VBUS
G
PCM-D50
• See page 50 for IC Block Diagrams. • See page 61 for IC Pin Function Description of IC1503.
3 4
IC1501 IC B/D
+3.1V REG
IC1501
XC6215B312GR
R1513 C1503
JL1501
0 1u
VIN VOUT
C1513
CE VSS
10u
6.3V
C1501
0.1u
IC1502 IC B/D
+1.5V REG
IC1502
XC6215B152GR
JL1502
VIN VOUT
C1504
CE VSS
1u
C1502
0.1u
R1506
1M
0
Q1501 1.8
2SK3541T2L
R1505
INVERTER
S
1M
5 6 7
C1505
0.1u
B7
SD6
SD7
INT_N
SOF_N
AB0_XRD
RD_N
AB0_XWR
WR0_N
C1506
0.1u
WR1_N
USB_XCS
CS_N
AB0_XDREQ
DREQ0_N
AB0_XDACK
DACK0_N
DEND0_N
DREQ1_N
DACK1_N/DSTB0_N
DEND1_N
RST_N
VIF
R1501
C1507
470k
0.1u
A1 B2 B1 C1 C2 D3 D2 D1 E3 E1 E2 F3 F1 F2 G1 G2
37 37
When IC1503 on the System board are damaged, exchange the
new System board for the System board which IC damaged.
8 9
C1510
0.1u
C1509
0.1u
B8 C7 C8 D5 D6 D7 D8 E8 E7 E6 F8 F7 F6 G8 H8
D8
D7
D6/AD6
D5/AD5
D4/AD4
D3/AD3
IC1503
D2/AD2
IC1503
D1/AD1
M66592UG
D0
USB I/F
A6/ALE
*CSP (Chip Size Package)
A5
A4
A3
A2
A1
MPBUS
R1504
2200
C1512
15p
X1501
R1503
24MHz
1M
C1511
15p
R1508 0 USBCN_DM
USBCN_DP
USB_DP
R1509 0
USB_DM
PCM-D50
10 11
AB0_D08
AB0_D07
AB0_D06
AB0_D05
AB0_D04
AB0_D03
AB0_D02
AB0_D01
AB0_D00
AB0_A6
AB0_A5
AB0_A4
AB0_A3
AB0_A2
AB0_A1
SYSTEM
59
BOARD
PSW_VCCVBUS
(3/5)
(Page 36)
CN1501
5P
1 VBUS
2 D-
3 D+
4 ID
5 GND