Sony HCD-V707 / MHC-V707 Service Manual ▷ View online
– 82 –
IC271
BU6257FV-E2
CHARACTER
SIZE
REGISTER
HORIZONTAL
ADDRESS
REGISTER
WRITE
ADDRESS
COUNTER
COUNTER
HORIZONTAL
SIZE
COUNTER
HORIZONTAL
POSITION
COUNTER
COUNTER
HORIZONTAL
ADDRESS
COUNTER
COUNTER
VERTICAL
ADDRESS
ADDRESS
REGISTER
VERTICAL
SIZE
COUNTER
VERTICAL
POSITION
COUNTER
POSITION
COUNTER
VERTICAL
ADDRESS
COUNTER
ADDRESS
COUNTER
1
2
3
6
4
5
7
8
9
10
11
16 15 14 13 12
17
18
19
20
OSCILLATOR
CIRCUIT
DATA INPUT
SHIFT REGISTER
PROTECT
CIRCUIT
DISPLAY CONTROLLER
DATA REGISTER
CHARACTER
GENERATOR ROM
12
×
18 BIT
×
255 WORD
CHARACTER DATA
8 BIT
8 BIT
×
288 WORD
CHARACTER DATA
3 BIT
3 BIT
×
288 WORD
COLOR DATA
3 BIT
×
288 WORD
VIDEO RAM
DATA SELECTOR
OUTPUT CONTROL
BACKGROUND
CONTROLLER
DATA REGISTER
TEST CIRCUIT
HSYNC
VSYNC
VB
BLK1
VC1
RBLK
GBLK
BBLK
VR
VG
VSS
TEST
OSCIN
OSCOUT
CKOUT
VDD
RESET
CLK
CSB
DATA
IC301
CXD1854Q
81
YUV-RGB
CONVERSION
80
CSYNCO
82
HAPGAIN0
83
HAPGAIN1
84
TEST
85
TEN
86
HAPBPF0
87
IFSEL1
88
HAPBPF1
89
NRON
90
LEVEL0
91
LEVEL1
92
FNR UFRZ
93
XRST
94
VSS7
95
CSYNCI
96
CBLNKI
97
VSYNCI
98
HSYNCI
99
VDD5
100
DCLKI
50 VSS4
49 VCPT
48 VCP
47 HVCCT
46 HVCC
45 ADVS
44 ADVD
43 CORON
42 BLCKST3
41 VSS3
40 BLCKST2
39 BLCKST1
38 BLCKST0
37 VDD1
36 BLCKSIZE
35 BLCKNR1
34 BLCKNR0
33 SXP COM
32 SDO
31 SDI
CBLNKO
79
VSYNCO
78
HSYNCO
77
VSS5
76
BO7
75
BO6
74
BO5
73
BO4
72
BO3
71
BO2
70
BO1
69
BO0
68
VDD3
67
Y/GO7
66
Y/GO6
65
Y/GO5
64
Y/GO4
63
Y/GO3
62
Y/GO2
61
Y/GO1
60
Y/GO0
59
VDD2
58
C/RO7
57
C/RO6
56
C/RO5
55
C/RO4
54
C/RO3
53
C/RO2
52
C/RO1
51
C/RO0
1
VSSO
2
BI7
3
BI6
4
BI5
5
BI4
6
BI3
7
BI2
8
BI1
9
BI0
10
VSS1
11
Y/GI7
12
Y/GI6
13
Y/GI5
14
Y/GI4
15
Y/GI3
16
Y/GI2
17
Y/GI1
18
Y/GI0
19
VSS2
20
C/RI7
21
C/RI6
22
C/RI5
23
C/RI4
24
C/RI3
25
C/RI2
26
C/RI1
27
C/RI0
28
VDD0
29
XCS
30
XSCK
NOISE
REDUCER
RGB-YUV
CONVERSION
MEMORY
CONTROLLER
TIMING
GENERATOR
8
8
8
8
8
C/R-Y
B-Y
Y
Y
B-Y
C/R-Y
8
D-RAM
MICRO COMPUTER
INTERFACE
– 83 –
IC401
CXD1913Q
52
51
F1
XVRST
50
XCS
49
SCK
48
SI
47
VSS
46
TDO
45
TCK
44
TMS
43
TDI
42
VDD
41
TRST
40
VSS
XTEST1
XTEST3
36
TD8
35
TD9
34
VDD
33
TD1O
53
VDD
54
XTEST4
55
XRST
56
SYSCLK
57
PDCLK
58
VSS
59
VSYNC
60
HSYNC
61
SO
62
FID
63
VDD
64
XIICEN
1/2
SYNC Gen.
and
Timing Controller
SIO and I
2
O-Bus
Controller
3
8
Sub Carrier
Gen.
Modulator
Dempx,
Level
Translator
and
Interpolator
4 : 2 : 2 to
4 : 4 : 4
Level
Translator
and
Interpolator
4 : 2 : 2 to
4 : 4 : 4
Y, C/
Y, U, V
selector and
Interpolator
Y, U, V
selector and
Interpolator
SYNC Slope
Gen.
Closed Caption Encoder
(for NTSC)
CSYNC
CHROMA
V
U
Y
BURST FLAG
37-39
-
TEST MODE
10
VDD
19
VSS
C7
C0
11-18
-
5
VSS
Y3
Y0
6-9
-
Y7
Y4
1-4
-
Delay
10bit
DAC
10bit
DAC
10bit
DAC
LPF
LPF
29 YO
28 AVSS2
27 AVDD2
26 VG
25 VB
24 COMPO
23 AVSS1
22 AVDD1
21 VREF
20 IREF
30 AVDD3
31 AVSS3
32 CO
4
4
8
IC501
SN74HC245ANS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
A1
DIR
A2
A3
A4
A5
A6
A7
A8
GND
ENABLE
G
V
CC
B1
B2
B3
B4
B5
B6
B7
B8
– 84 –
IC901
LA5617
ON/OFF
CURRENT
LIMITER
START
CIRCUIT
VREF
OVER HEAT
PROTECT
ON/OFF
CURRENT
LIMITER
1
2
3
4
5
6
7
8
9
10
VCC
VMUTE
VCC
VREF
ERROR
AMP
VREF
ERROR
AMP
VO1
VCC
CN1
EN
EN DISPLAY
GND
NC
CN2
VEE
VO2
~
_1.8V
~_
140uA
COMPARATER
– PANEL Section –
IC751
M65850P
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
– POWER AMP/KEY CONTROL Section –
IC1401
M65847FP-TP
1
2
3
4
5
6
7
8
ADCONT
DA1CONT
KEY DOWN
KEY UP
DAIINTIN
ADINTOUT
ADINTIN
LPF1
REF
REF
REF
REF
HPF
LPF2
MIX
CLKO/KEY0
SDATA/KEY1
SCK/KEY2
STROBE/KEY3
KEY4
KEY5
REF
GND
VCC
MODE2
MODE1
DAIINTOUT
LPF1IN
LPF1OUT
HPFIN
HPFOUT
LPF2IN
LPF2OUT
MIXIN
MIXOUT
DA2CONT
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
+
–
LOGIC
D/A
RESET
RAM
A/D
CLOCK
GENERATOR
REF
+
–
+
–
+
–
– DECK Section –
IC602
µPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
IC1502
LB1641
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
– MAIN/POWER SUPPLY Section –
IC281
µPC1237HA
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
– 85 –
5.2 Vp-p
474 ns
• Waveforms
– BD Section –
– BD Section –
1
IC101
@§
(RFDC) 200 mV/DIV, 500 ns/DIV
2
IC101
@¶
(TE) 200 mV/DIV, 100 µs/DIV
1.3 Vp-p
+0.25
–0.20
–0.20
Approx. 500 mVp-p
3
IC101
@ª
(FE) 200 mV/DIV, 50 ns/DIV
Approx. 200 mVp-p
4
IC101
#§
(RFAC) 200 mV/DIV, 500 ns/DIV
1.3 Vp-p
+0.25
–0.20
–0.20
5
IC101
$∞
(LRCK)
5.2 Vp-p
22.7
µ
s
6
IC101
$¶
(BCLK)
7
IC101
^™
(XTAI)
5.2 Vp-p
16.9344 MHz
8
IC101
(§
(MDP)
2.6 Vp-p
7.5
µ
s
– VIDEO Section –
1
IC501
!§
(B3 (384FS))
4.4 Vp-p
16.9344 MHz
2
IC501
9
(A8 (BCLK))
4.6 Vp-p
474 ns
3
IC501
7
(A6 (LRCK))
5.2 Vp-p
22.7
µ
s
4
IC701
%¡
(EXTAL)
5 Vp-p
10 MHz
5
IC201
2
(XTL0O)
2.5 Vp-p
28.63636 MHz
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