Sony DCR-TRV940 Service Manual page 10

COVER
COVER
For Schematic Diagram
• Refer to page 4-93 for printed wiring board.
1 2
VC-288 BOARD (6/17)
FLASH MEMORY,SDRAM(LUKLA-RAM BLOCK)
A
XX MARK:NO MOUNT
LXWR
LXWR
RD_LK
RD_LK
CKE_LK
CKE_LK
WE1_LK
WE1_LK
68
WE0_LK
B
WE0_LK
CAS_LK
(5/17) CAS_LK
RAS_LK
RAS_LK
CS_SDRAM_LK
CS_SDRAM_LK
CS_FLASH
CS_FLASH
D0_LK
D0_LK
D1_LK
D1_LK
D2_LK
D2_LK
D3_LK
D3_LK
C
D4_LK
D4_LK
D5_LK
D5_LK
D6_LK
D6_LK
D7_LK
D7_LK
74
D8_LK
D8_LK
D9_LK
(5/17) D9_LK
D10_LK
D10_LK
D11_LK
D
D11_LK
D12_LK
D12_LK
D13_LK
D13_LK
D14_LK
D14_LK
D15_LK
D15_LK
DSCK
DSCK
A1_LK
A1_LK
A2_LK
A2_LK
A3_LK
E
A3_LK
A4_LK
A4_LK
A5_LK
A5_LK
A6_LK
A6_LK
A7_LK
A7_LK
A8_LK
69
A8_LK
A9_LK
A9_LK
(5/17)
A10_LK
A10_LK
F
A11_LK
A11_LK
A12_LK
A12_LK
A13_LK
A13_LK
A14_LK
A14_LK
A15_LK
A15_LK
A16_LK
A16_LK
A17_LK
A17_LK
A18_LK
70
A18_LK
A19_LK
G
A19_LK
(5/17)
A20_LK
A20_LK
71 R5105 0 A21_LK1
A21_LK
A22_LK1
R5106 0
05
A22_LK
(5/17)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
IC3001
64Mbit SDRAM
IC3001
C3001
0.1u
Vcc Vss 54
1
D0_LK
DQ0 DQ15 53
2
Vccq Vssq 52
3
D1_LK
DQ1 DQ14 51
4
D2_LK
DQ2 DQ13 50
5
Vssq Vccq 49
6
D3_LK
DQ3 DQ12 48
7
D4_LK
DQ4 DQ11 47
8
Vccq Vssq 46
9
D5_LK
DQ5 DQ10 45
10
D6_LK
DQ6 DQ9 44
11
Vssq Vccq 43
12
D7_LK
DQ7 DQ8 42
13
Vcc Vss 41
14
WE0_LK
DQML NC 40
15
LXWR
XWE DQMU 39
16
CAS_LK
XCAS CLK 38
17
RAS_LK
XRAS CKE 37
18
CS_SDRAM_LK
XCS NC 36
19
A14_LK
A13 A11 35
20
A13_LK
A12 A9 34
21
A11_LK TRV950/TRV950E
A10
A8 33
22
A1_LK
A0
A7 32
23
A2_LK
A1
A6 31
24
A3_LK
A2 A5 30
25
A4_LK
A3 A4 29
26
Vcc Vss 28
27
IC3001
HY5V16CF-SDR-E1: TRV940/TRV940E
HY5V66GF-P-E1-TR: TRV950/TRV950E
4-23
VC-288 BOARD SIDE A VC-288 BOARD SIDE A VC-288 BOARD SIDE B VC-288 BOARD SIDE B
6 7 8
MBM29LV160BE90PBT-55-ER-E1:
FB3001
C3003
10u
6.3V
A16_LK
C3002
0.1u A15_LK
A14_LK
A13_LK
D15_LK
A12_LK
A11_LK
D14_LK
A10_LK
D13_LK
A9_LK
A20_LK
D12_LK
A21_LK1
D11_LK
WE1_LK
D10_LK
A22_LK1
D9_LK R5107
100k
D8_LK
A19_LK
A18_LK
WE1_LK
DSCK A8_LK
CKE_LK
A7_LK
TRV940/TRV940E
A6_LK
R3001 0
A13_LK A5_LK
A4_LK
R3002 0
A12_LK
A3_LK
A10_LK
A2_LK
A9_LK
A8_LK
A7_LK
A6_LK
A5_LK
R5104
0
DCR-TRV940/TRV940E/TRV950/TRV950E
9 10
IC3002
TRV940/TRV940E
UPD29F064155F9-007-E2-A: TRV950/TRV950E
IC3002
64Mbit FLASH MEMORY
IC3002
A17_LK
A16
A15
A14 XBYTE
A13 VSS
D15_LK
A12 DQ15/A-1
D7_LK
A11 DQ7
D14_LK
A10 DQ14
D6_LK
A9 DQ6
D13_LK
A8 DQ13
D5_LK R3008
A19 DQ5
0
D12_LK
A20 DQ12
D4_LK
XWE DQ4
XRESET VCC
D11_LK
A21 DQ11
D3_LK
WP/ACC DQ3
D10_LK
RY/XBY DQ10
D2_LK
A18 DQ2
D9_LK
A17 DQ9
D1_LK
A7 DQ1
D8_LK
A6 DQ8
D0_LK
A5 DQ0
RD_LK
A4 XOE
A3 VSS
CS_FLASH
A2 XCE
A1_LK
A1 A0
4-24
11 12
76
XSYS_RST
(14/17)
C3004
0.1u
C3007
0.1
TRV950/TRV950E
FB3003
D_1.9V
C3006
XX
6.3V
FB3002
XX
D_2.8V
77
(17/17)
C3005
XX
6.3V
REG_GND
VC-288 (6/17)