Sony HCD-V5500 / MHC-V5500 / MHC-V7700AV (serv.man2) Service Manual ▷ View online
— 55 —
IC271
BU6257AFV-E2
IC301
CXD1854Q
DATA INPUT
1
2
3
4
5
6
7
8
9
10
13
11
PROTECTION
CIRCUIT
VIDEO RAM
CHARACTER
CHARACTER
SIZE
REGISTER
DATA SELECTOR
DATA
3-BIT
288
WORD
COLOR
DATA
3-BIT
WORD
CHARACTER
DATA
8-BIT
WORD
SHIFT REGISTER
HSYNC
VSYNC
VB
VG
VR
VBLK
VC2
BLK2
VC1
BLK1
CS
DATA
CLK
RESET
VDD
CKOUT
OSCOUT
OSCIN
TEST
VSS
VERTICAL
ADDRESS
COUNTER
TEST
CIRCUIT
OSCILLATION
CIRCUIT
COUNTER
COUNTER
POSITION
ADDRESS
COUNTER
HORIZONTAL
HORIZONTAL
HORIZONTAL
HORIZONTAL
ADDRESS
REGISTER
WRITE
ADDRESS
SIZE
COUNTER
VERTICAL
SIZE
COUNTER
VERTICAL
POSITION
COUNTER
VERTICAL
BACKGROUND
CONTROL
DATA
REGISTER
ADDRESS
COUNTER
DISPLAY
CONTROL
DATA
REGISTER
OUTPUT CONTROL
CHARACTER
GENERATOR
ROM
12X18-BIT
X255-WORD
x
288
x
288
x
20
19
18
17
16
15
14
12
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
— 56 —
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
IC701
M54641L
1
5
2
7
3
6
4
POWER
AMP.
AMP.
POWER
AMP.
AMP.
CONTROL
INPUT
AMP.
INPUT
AMP.
REG
8
VCC
VCC
REFERENCE
OUT2
OUT1
IN1
IN2
GND
IC272
TC7W74F
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
IC801
BA6286N
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
TSD
CONTROL
LOGIC
PO WER
SAVE
GND
RIN
VREF
OUT2
OUT2
RNF
GND
VM
VCC
FIN
OUT1
IC601
uPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
— 57 —
6-18. IC PIN FUNCTIONS
• IC101 SYSTEM CONTROL (UPD780016YGF-016-3BA)/MAIN board
Pin No.
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
—
O
O
O
O
O
O
—
—
O
I
—
—
—
I
—
—
I
O
I
—
—
—
—
I
I
I
I
I
I
I
—
—
I
—
O
—
—
—
—
—
I
—
—
—
O
O
O
O
O
Description
Not used.
LED control.
LED control.
LED control.
LED control.
LED control.
LED control.
Not used.
Ground.
X’tal (5MHz).
X’tal (5MHz).
5V.
Not used.
Not used.
Reset signal input.
Not used.
Not used.
CD Q data request.
Soft operation check port.
AC power supply check.
Not used.
Not used.
5V.
5V.
CD adjustment port.
Reel pulse detection.
Reel pulse detection.
Cassette half detection.
Key input.
Key input.
Key input.
Not used.
Ground.
CD data input.
Not used.
Clock for data input.
Not used.
Ground.
Ground.
Ground.
Not used.
BD status input.
Ground.
Not used.
Not used.
CD power.
CD data output.
CD clock.
LED control.
LED control.
Pin Name
NC
LED 1
LED 2
LED 5
LED 6
LED 3
LED 4
NC
Test
X2
X1
Vdd
XT2
XT1
Reset
NC
NC
SCOR
SOFT TEST
AC CUT
NC
NC
Vdd
AVdd
ADJ
A SHUT
B SHUT
B-HALF
KEY A
KEY B
KEY C
ADJ 2
AVSS
SQ DATA IN
NO USE
SQ CLK
CD-FUNC
NC
NC
VSS
LED 20
SENSE2
COM D IN
COM D OUT
COM CLK
CD POWER
CD DATA
CD CLK
LED 19
LED 18
— 58 —
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
—
I/O
I/O
O
O
O
O
O
—
O
I
O
O
O
O
O
O
—
O
O
I
I
I
—
I
I
I
I
O
O
O
O
O
O
O
O
O
O
I/O
O
I
I
O
I
—
—
—
Description
LED control.
LED control.
LED control.
Not used.
Communciation data.
Comunicaton clock.
CD reset.
CD latch.
Focus switch.
Table-L.
Table-R.
Not used.
Load out.
Load in.
LED control.
LED control.
LED control.
LED control.
LED control.
LED control.
Ground.
LED control.
LED control.
BD status input.
Disc sensor.
Table sensor.
Not used.
Encoder input for CDM38.
Encoder input for CDM38.
Encoder input for CDM38.
Encoder input for CDM38.
Capstan motor H/N selection.
Mechanism timing output control.
Mechanism timing output control.
Mechanism timing output control.
Capstan motor ON/OFF switch.
Playback A/B selection.
Equalizer H/L selection.
Bias ON/OFF.
REC mute.
NR ON/OFF.
REC/PB/PASS select.
TC mute.
Mechanism PLAY switch.
Mechanism PLAY switch.
Head selection.
Cassette half detection.
Not used.
Not used.
Not used.
Pin Name
LED 17
LED 16
LED 15
IIC-TEMP
IIC DATA
IIC CLK
XRST
XLAT
FOCUS SW
TBL L
TBL R
TRAY LED
LOAD OUT
LOAD IN
LED 14
LED 13
LED 12
LED 11
LED 10
LED 9
Vss
LED 8
LED 7
SENS
DISC SENS
T-SENS
UPSW
ENC3
ENC2
ENC1
OUT OPEN
CAP M H/N
A TRG
B TRG
TRG LOW
CAP M ON/OFF
PB A/B
EQ H/N
BIAS
REC MUTE
NR ON/OFF
R/P PASS
LM-ON/OFF
A PLAY SW
B PLAY SW
TC RELAY
A HALF
POWER
NC
NC
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