D-Vhs Block Diagram - JVC HM-DH30000U Service Manual

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4.39

D-VHS BLOCK DIAGRAM

DIGITAL (HOST, DMAIN, D-VHS IF, DVX, VIDEO IF, HD DEC, LAPRAS, DSP, AUDIO AD/DA, DECRIPTER)
5 0
IC1804
1
5
TO MAIN
(MAIN-TERMINAL)
CN7107 CN9801 IC1803
1 3
R
D/A_OUT(R) 2
AMP
7 5
L
D/A_OUT(L)
4
3 1
R
A/D_IN(R)
6
AMP
5 7
L
A/D_IN(L)
8
IC1802
C_IN
10
Y_IN
12
Q825,Q826
LPF
4
BUFFER
Q821-Q824,Q840
LPF
BUFFER
3
TO TERMINAL
Q801-Q803,Q831
CN7104
CN8803
LPF
Y
G_OUT 1
BUFFER
Q813-Q815,Q834
C
C_OUT 3
LPF
Cr
Cr_OUT BUFFER
5
Q805-Q807,Q832
Cb_OUT
7
LPF
BUFFER
Y_OUT
9
Q809-Q811,Q833
LPF
BUFFER
2
LPF
BUFFER
Q817-Q819,Q835
8037_ON(H)
TO
CN8201
IEEE1394
1
J202
DV I/O
A
IC1401
LAPRAS
62
8
IEC
HADDR0-7
75
CK27
LAPRAS_27M 16
HDATA0-15
IC1404
23
118
CLK
ACLKIN
1 E4OD0
X1
IC1801
6,7
119
S0/1
E4OD1
PLLCTL0/1
57,79
116
23 AOUTR
E4ID0
12 49
SDTI
DADI
22 D/A 73
E4ID1
AOUTL
2
AINR+
3
E4ADR0-2
13 50
SDTO
ADDO
4 A/D
E4ADR(0-2)
FMADR0-19 E4DAT0-15
AINL+
16
20
AUDIO AD/DA
FMADR(0-19)
E4DAT(0-15)
A0-19 DQ0-15
16M FLASH MEM.
IC1403
IC1601,IC1701
16
HAD0-15
10
CKI DSP_27M
DSP
IC1001
IC1002,IC1003
HD_DEC
VMDQ(0-63) 16
HAD0-15
64
DQ0-31 MDATA0-63
35,133
223,304
VMDQM(0-7)
OSDDATA0-3
8
DQM0-3 MDQM0-7
37
VMAD(0-12)
OSDHD
13
134
A0-12 MADR0-12
OSDVD
222
64M SDRAM
OSDCLK
163 X601 IC606,IC607
VINC
38-40
252
136,137
VINY
225,226
307
VOUTDATA0-7
8
Q1001
32,33
61
COMPY
BUFFER 129-131
219-221
STDATA0-7
Q1005
159
135
BUFFER VOUTC
VOUTCK
85-87
Q1003
239 179,180
COMPCR
BUFFER
264,266
342 8
TSDATA0-7
Q1002
58
COMPCB
BUFFER
8
Q1004
247
BUFFER VOUTY
91
VIDEO_27M CK27I
182
DEC_9MHD
TSCLK
ES DEC_9MDEC
Q1021-Q1025
B C
IC4
26
1
SI
NAVI_TXD
2 78
SCK NAVI_CLK
4 25
BC_A(1-8)
CS NAVI_CS
8
BC_D(0-15) SO
IC5
14
CS
6
SCK
8
SI
7 159
SO NAVI_RXD
IC802
OSD
9-12 16
BLKOUT 27
SCLK VIDEO_OSD_CLK
R/G/B OUT
15 80
HD 32 SIN VIDEO_OSD_TXD
SYNIN
14 160
CS OSD_CS
34
VD
SEPIN
5
OSD_CLK
OSCIN
D0-7 A0-17
8 18
ADD. BUS
DATA BUS
16
D0-15
D0-7 A0-17
BC_A(1-14) 14
A17-30
2M FLASH MEM.
IC803
19
8037_ON(H) 8037_ON(H)
IC601
89
PB_PLL_A
PB_PLL_A
138
DVX
3 TSCLK_MUTE TSINCLK_MUTE
HA0-2
9,10
16
HD0-15
84-87
90
AOD0 152,153
15 TRICKDATA(0-7)
TERDATA0-7
AOD1
155 8
AID0
88 IC201
AID1
20
DEC_9MDVX SBCLK DIV2SEL
11
TRICK_9MDVX TBCLK XTAL
23
TPIN0-7 HSPB
ENC_9MDVX PBCLK
16 HSPA
HOSTDATA0-15
RECAREAA
2 4 50
CLK25MHz
BC_A(1-14)
SERVOREF30
45-47,116-118 14
SBEA
HOSTADRS0-13
8 180,181
VID2-9 SBEB
39-41,111-114 24,25
176
97-99
VOD0-7
RECDATAA
163-165
43
BSD0-7/HD21-28 TSIN0-7
VCLK
8
12 RECDATAB
PTSCLK
SECDATA0-7
21,92,94
MD0-63 MA0-11
95,158-161
64 12
MD(0-63) MA(0-11)
TSOUTCLK
DQ0-15 A0-11
DMAIN
16M SDRAM
AINA
IC1201 IC602-IC605
8 AINB
TSOUT0-7
16
HDATA0-15 X201
OTSDT0-7 13 25
XTAL19I
HADDR0-12
CLK27O
BC_A(1-13)
107
XTAL19O
DECRIPTER
X203
ITSDT0-7 117
XI
TCLK 189
IC203
XO
IC210
3 2 4 32
XTAL27I
OSC
DIVCLKO
X202 IC205
(13.5MHz)
IC202
2 4 184
VCXO27I
TSINCLK
DMD(0-15) 16
DQ0-15 SDRAMDATA00-15
DMA(0-11) 12
A0-11 SDRAMADRS00-10,12
16M SDRAM TPA1/2,TPB1/2
NTPA1/2,NTPB1/2
TPBIAS1/2
Published in Heiloo Holland
D
4-77 4-78
IC1
AL5V
IC8
9
8
157
10
TXD
4
6
40 5
KBUS_REQ
1
3
23
2
JLIP(L)
IC9
5
120 6
RXD
4
10
8
9
13
11
12
2
121
3
KBUS_RXD 1
IC6 AL3.3V
133
AL5V
HS1_FF
12
11
168
13
HS2_FF
9
8
10
5
6
4
IC7
HOST AL5V
12
11
13
9
8
91
10
REF5HZ
4
6
76 5
KBUS_CLK
IC2
Q1
163 1
RESET RESET ES
IC10
158 2 4
KBUS_TXD
24 1
KBUS_OUT(L)
18
CLK27SEL
IC213
33 4 2
185
26
247
108
4 3 D-PRE/REC
249
30
Q405-Q409
111
CN401 CN601
IC601
Q614
19
IC405 Q413-Q417
3 3 BUF
182
21 VCA
D-FF AMP 1 1
109
23
HEAD
SEL
IC606
Q615-Q633
136 AMP
TSOUTCLK
REC EQ
Q418-Q426
CN402 CN603
IC602
Q644
19
LPF 19
3 3 BUF
BUFFER
23 21 VCA
1 1
23
IC207
HEAD
SEL
VIDEO_27M
114
IC607
LAPRAS_27M
Q645-Q655
DSP_27M
AMP
REC EQ
IC208,IC209
DEC_9MDVX
TP111
DEC_9MDEC
VIDEO/STD/HS1_FF
TSOUTCLK
186
DEC_9MHD
ENC_9MDVX
TRICK_9MDVX TRICK_9MDVX
270
Q657-Q660
DIVCLK
IC403
AMP
TP616
2
PB_DATA2
4 PB_PLL_B
1
TSCLK_MUTE
Q661-Q664
AMP
TP606
PB_DATA1
E F
E. & O. E. No. 82894
29/11/2016
TO MAIN
(SYSCON)
CN3009
CN8002
3 JLIP(L)
4 TXD
5 RXD
6 REC_AREA
8 HS2_FF
9 DFF/HS1_FF
10 SVREF30
11 REF5HZ
12 HOST_RESET
13 KBUS_REQ
14 KBUS_CLK
16 KBUS_RXD/TXD
For JIG
CN8003
1 SBE.A
3 SBE.B
4 HS1_FF
5 HS2_FF
U.
TP601 D-VHS
DRUM
REC_LEVEL1
Q601,Q604
HEAD
CN606
Q607,Q610
AMP 1 13 13
D CH1
3
2 14 14
Q603,Q606
Q609,Q612
13
3 15 15
AMP AMP D CH2
4 16 16
11
AMP 5 17 17
24
HS2 CH1
Q602,Q605 6 18 18
Q608,Q611
7 19 19
HS2 CH2
8 20 20
9 21 21
HS1 CH2
10 22 22
Q635,Q637
Q639,Q641
11
AMP AMP
13
AMP
17
Q636,Q638
Q640,Q642
TO MAIN
TP602
( SYSCON )
REC_LEVEL2
CN3011
CN605
14 HS_RECST(H)
13 A/HS2_FF
TP112
12
A/HS2_FF HS2_ENV.
7 D/HS1_ENV.
6 V/STD/HS1_FF
IC605
5 CH1_RECST(H)
5 7 4
CH2_RECST(H)
AMP
3 1
G H
( Sanwa ) -V13DS4