JVC XV-S42SL Service Manual

XV-S40BK/XV-S42SL/XV-S45GD
XV-S30BK/XV-E100SL
1-29
K4S641632E-TC75 (IC504) :CMOS SDRAM
1.Pin layout
2.Block diagram
3.Pin functions
Bank select
Address register
Row buffer
Refresh counter
Row decoder
Col. buffer
CLK
ADD
LCBR
LRAS
LCKE
LRAS LCBR LWE LCAS
CLK CKE CS RAS CAS WE L(U)DQM
Timing register
LWCBR
LDQM
Programming register
Latency & Burst length
Column decoder
1M x 16
1M x 16
1M x 16
1M x 16
Data input register
Sense AMP.
I/O Control Output buffer
LWE
LDQM
DQI
Vcc
DQ0
Vcc
Q
DQ1 DQ2
V
SSQ
DQ3 DQ4
Vcc
Q
DQ5 DQ6
V
SSQ
DQ7
Vcc
LDQM
WE
CAS RAS
CS
BS0 BS1
A10/AP
A0 A1 A2 A3
Vcc
V
SS
DQ15 V
SSQ
DQ14 DQ13 Vcc
Q
DQ12 DQ11 V
SSQ
DQ10 DQ9 Vcc
Q
DQ8 V
SS
N.C UDQM CLK CKE NC A11 A9 A8 A7 A6 A5 A4 V
SS
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
Symbol
CLK
CS
CKE
A0~A11
BS0,1
RAS
CAS
WE
LDQM
DQ0~15
Vcc/Vss
Vccq/Vssq
N.C
System clock
Chip select
Clock enable
address
Bank address strobe
Row address strobe
column address strobe
Write enable
Data input/output mask
Data input/output
Power supply/ground
Data output power/ground
Non connect
Description

JVC XV-S42SL Specifications

General

Brand	JVC
Model	XV-S42SL
Category	DVD Player
Language	English