Sony XVM-R70 Service Manual ▷ View online
29
29
XVM-R70
6-9. SCHEMATIC DIAGRAM — LCD SECTION (2/3) — • Refer to page 23 for Waveforms and Common Note on Schematic Diagram and page 31 for IC Block Diagrams.
IC B/D
IC B/D
CN850
D853
C857
R874
R873
R872
TP853
TP856
TP854
TP852
TP851
C855
Q858
Q857
R866
R867
R868
L852
R864
R865
C867
C866
L851
D852
Q856
Q855
R862
Q854
R861
R860
R859
R858
Q853
C851
C850
L850
C865
R850
R851
R852
IC850
R886
Q850
R887
D855
R885
C858
R877
R876
R884
C861
R883
C860
R880
C859
R469
R424
R425
R426
R427
R428
R429
R430
C400
R401
R466
R465
R400
R409
R408
R407
R405
R404
R457
C401
C402
C423
L400
C403
IC403
C425
C405 C404
R411
R410
BP1
C406
C407
R412
R483
TP403
TP402
IC402
R438
R439
C411
C415
C416
L402
C417
R444
R443
C414
C413
C426
D412
R445
R441
IC404
C408
C422
D411
R415
R416
Q401
Q400
R482
R480
Q402
R417
R419
R421
D409
C409
R455
C424
Q404
Q405
R471 R472
R473
C410
R474
C418
D400
Q406
Q407
R479
R478
R477
R476
R475
D408
D407
IC350
R350
C356
C355 C357
C359
C358
RV350
R361
R362
Q352
Q353
IC351
D356
C350
C351
C353
R354 C362
C363C361
R352
C360
R351
RV351
TP354
TP350
TP353
TP352
D410
TP406
TP407
R442
R451
R450
R449
R447
R446
R448
C412
R402
R403
R440
R437
R432
R433
R434
R435
R436
R366
R365
R364
R363
D355
D354
D353
D350
D351
D352
R470
TP401
Q403
R456
TP351
TP904
TP850
NL850
R422
R423
R484
TP404
TP405
TP400
T850
TP855
S401
S402
S403
S404
S405
S406
R420
C364
C354
Q350
Q351
R464
IC400
IC401
F850
Q859
D854
R414
R418
C352
X400
R875
R882
R881
R878 R879
C862
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
(Page 28)
(Page 30)
30
30
XVM-R70
6-10. SCHEMATIC DIAGRAM — LCD SECTION (3/3) — • Refer to page 23 for Waveforms and Common Note on Schematic Diagram and page 32 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
C604
C602
C603
R659
TP608
TP607
TP606
TP605
TP604
TP603
TP602
R627
R626
R625
R624
R623
R622
R621
R619
R618
R617
R616
R615
TP601
C601
R655
R654
R600
R602
R606
R608
R609
R610
R660
R613
R661
R614
C600
TP615
R658
R656
R657
TP600
C607
R629
R630
R631
R632
C608
R633
C611
FL601
C612
TP609
TP610
TP611
C609
C546
R528
R529
R526
R527
IC501
IC601
C620
R647
R646
C621
R645
R644
R643
R641
R642
C619
R639
R640
C626
C616
L602
C615
C614
R637
R662
C618
C617
L603
D601
C613
RV600
D600
R635
C628
D603
C622
R648
C627
C819
C820
C822
C823
C825
L803
L804
L805
L806
C828
C829
C826
C827
C824
C821
D802
D803
R831
R832
RV802
L800
C805
C838
R833
Q801
R809
R808
R805
R806
R807
C803
R804
R802
C800
R800
RV800
C802
R801
R803
C801
C810
R815
R812
R814
C809
R813
R811
R810
C806
C807
L801
TP804
TP805
TP806
TP807
L808
L810
L809
L807
D804
D805
C833
C835
C831
C832
C836
C834
C830
R819
R820
R823
R824
R825
R822
R821
R818
C813
C816
Q802
Q803
R817
C811
C814
C812
C815
JC801
R816
R827
R826
L802
TP812
TP811
TP810
TP809
TP817
TP816
TP818
TP815
TP814
TP813
L600
C606
C605
D602
C817
LCD1
R634
R604
Q601
TP612
Q600
R636
Q506
CN800
TP614
TP800
TP801
TP802
TP808
C818
TP803
C808
T800
IC600
D604
F800
IC800
Q800
IC801
Q804
RV801
D800
RV601
R638
C837
D801
C804
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
(Page 28)
(Page 29)
31
XVM-R70
49
PONRST
LOGIC
SYNCSEPA
HHKILL
DAC
DAC
CLAMP
SYNC
CUT
ACC
DET
DET
50
COMDC
IICBUS
VCO
LOGIC
LOGIC
LOGIC
PWM
REG
1
PLAN
2
R-Y OUT
3
B-Y OUT
4
R-Y IN
5
B-Y IN
6
VCC1
7
VREF
8
R-IN1
9
G-IN1
10
B-IN1
11
R-DET
12
G-DET
13
B-DET
14
R-IN2
15
G-IN2
16
B-IN2
48
SDATA
47
SCLK
46
CSYNC IN
45
NAVI SYNC IN
44
VCC1
43
VCO ADJ
42
AFC DET
41
GND2
40
+BCLKFLT
39
HSYNC LOCK
38
NRGB
37
VSS
36
POL
35
VDIN
34
CSYNC OUT
33
SCP
52
YIN
54
CTRAP IN
55
Y DET
56
ACC DET
ACC
AMP
57
C IN
58
VCC1
59
GND3
60
KILL DET
61
APC DET
62
SC OUT
63
VXO-NTSC
64
VXO-PAL
51
SECAM BLACK ADJ
53
CTRAP OUT
17 YS
18 BLAK
19 B-OUT
20 B-OUT DET
21 G-OUT
22 G-OUT DET
23 GND1
24 VREF DRIV
25 VCC2
26 R-OUT
27 R-OUT DET
28 VCOM OUT
29 VCC3
30 PWM OUT
31 VDOUT
32 HDOUT
R-Y,B-Y
DEMOD
VSYNC
DROP
PHASE
COMP
F
DET
VERT.
COUNT
I/N
SW
BPF
GCA
KILLER
APC
YUV
SW
LOGIC
VXO
GENE
G-Y
GEME
INT/EXT
SW
MATRIX
CLAMP
LIMIT
VXO
REG
DELAY
SHARPNESS
GCA
CONTRAST
GAMMA
INVERT
BRIGHT
OSD
SW
VCOM
6-11. IC BLOCK DIAGRAMS
IC500 AN2546FH-AV
IC350 TA2061AF
VREF
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
LEVEL
DET
AGC
PRE
EMPHASIS
VCO
BUFFER
AGC
PRE
EMPHASIS
VCO
BUFFER
LIN
VREFC
AGC
AGC-T/C
VCC
FO-R
FO-SW
LOUT
RIN
MIX-NF
AUTO-OFF
GND
FO-L
SURND
ROUT
O.S.M
LEVEL
DET
LOUT=L+K•(L-R)
ROUT=R-K•(L-R)
32
XVM-R70
IC401 µPD6467GR-546-E1
IC501 CD74HCT4053
1
CLK
2
CS
4
PCL
16 VB
7
OSC OUT
8
OSC IN
5
VDD
6
CMDCT
9
TEST
10
GND
DATA INPUT
SHIFT REGISTER
CHARACTER SIZE
REGISTER
DISPLAY
CONTROL
REGISTER
OSC
SYNC
PROTECTION
H-ADDRESS
REGISTER
WRITE-IN
ADDRESS
COUNTER
ADDRESS
COUNTER
DATA
SELECT
BACK
INTERRUPT
DATA
REGISTER
VIDEO RAM
CHARACTER
DATA
COLOR
DATA
PRINTER
DATA
REVERSE
DATA
OUTPUT
DATA
H-POSITION
COUNTER
H-ADDRESS
COUNTER
H-SIZE
COUNTER
V-SIZE
COUNTER
V-POSITION
COUNTER
V-AD
REGISTER
V-ADDRESS
COUNTER
OUTPUT CONTROL
CHARACTER
GENERATOR
GENERATOR
ROM
12X16BITX
512-WORD
512-WORD
INSTRUCTION DECODER
CONTROL SIGNALS
3
DATA
15 V BLK
14 VC2
13 BLK2
12 VC2
11 BLK1
14 VC2
13 BLK2
12 VC2
11 BLK1
18 VR
17 VG
17 VG
20 H SYNC
19 V SYNC
19 V SYNC
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
BINART TO
1 OF 2
DECODER
BINART TO
1 OF 2
DECODER
BINART TO
1 OF 2
DECODER
TG
TG
TG
VCC
BN
AN
A1
A0
S0
S1
S2
GND
VEE
E
C0
CN
C1
B0
B1
TG
TG
TG
16
15
14
13
12
11
10
9
1
2
3
5
4
6
7
8
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