JVC XV-521BK Service Manual

XV-521BK/523GD/525BK/421BK
2-1
DVD Servo control and DSP section
(SHEET 5,6)
EFP
(Front end processor)
IC101
4CH Driver
IC271
ODC
(Optical disc controller)
IC301
IC311
ZIVA WAIT
OSCI/O
X401
EPROM
IC403
Unit CPU
IC401
ADSC
(Digital servo controller)
IC201
16M ROM
IC402
CN101
CN503CN502
TD TA F1 F2 F1CD F2CD T1CD T2CD RF+ RF-
SM+ SM- FM+ FM- T+ T- F+ F- PHOTO
SPDRV, TDOFS FODRV, TRDRV TRSDRV
BDO OFTR TGBAL TBAL TE RFENV FBAL FE TG AS ARF+ ARF- TESTSG JLINE
FEPEN CPSCK SDOUT SLEEP
PLLOK
DAT0~3
ADSCEN CIRCEN CPSCK SDOUT ADSCIRQ
/WR /RD
/WR /RD
STD0~7
WAITODC
WAITDEC
WAIT
DECIRQ
CPUA1~20
CPUD0~7 CPUA0~2
LSIRST
AV DECODER
IC501
27MHz
IC502
VIDEO
ENCODER
IC554
IC503
+2.5V REG
IC555
16M SDRAM
IC505
16M SDRAM
IC504
SYSCLK
VCLK
VD0~7
IEC958
YOUT COUT CVBS PbOUT PrOUT
DA_DATA1
TO CN701 SHEET 4 TO CN601 SHEET 3
FROM CN10
OF FXL-V6-1
LVB10126-A1
CPUD0~7
EPDO EPDI EPSK EPCS
TX
159 163 142, 143 145, 148 150, 152 154, 155
29 39~46
2~4
6
8~11
202
~204
13 1771615
ZIVA3-PE0
207 208
3 178
NAX0393-001X
TC74VHC00FT
KM416S1120DT-G8 KM416S1120DT-G8
180, 182 184~189
85
MN103S13BDA
TC7SH08FU
IC312
TC7SH32FU
MC44724AVFU
59 60
27
IC321
TC7WH74FU
IC322
TC74VHC00FT
37, 38
40~43 45~55
57
62, 63
68~70 72~74
CPUD0~7 CPUA0~17
88
112~115
63 77~80
AN8702FH
47~50 53, 54 57~60 62, 63
5~7, 16, 18 20, 22, 24 30, 31 39~41, 46 11~14
1~3, 8, 9, 26, 37 42~44, 47, 49 99, 100
MN67706ZY
AK93C65AF
3~6
62~65
11
53, 59, 70 72, 76 85~89
MN102L25GDZ1
1
55, 56 70, 72
7813~16
26~33 35~42 44 93~100
MSM531622F
2~11 15, 17, 19 21, 24, 26 28, 30 34~43
M56788FP
3, 17, 30 36, 37
5, 6, 51
52, 98
84
9, 10, 14 15, 31, 32 34, 35, 42
U2SDT S2UDT SCLKO REQ BUSY
57, 58 67~69
CPURST
CN501
FROM CN706
SHEET 4
M9V D5V D3V Z3V
D2.7V
REG
Q1
D2.7V
S5V
23, 24
82
31, 32 34~36
V+5V
Block diagrams

JVC XV-521BK Specifications

General

Brand	JVC
Model	XV-521BK
Category	DVD Player
Language	English