Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
85
HCD-C770/C990
IC202
MC14052 BDR2
IC208
MM1568
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
– AUDIO Board –
IC201
BU1924F-E2 (AEP only)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
– VIDEO Board –
IC206
MM1510
4
1
SAG
2
OUT
3
VCC
IN
5 GND
6 PS
BIAS
CLAMP
DRIVER
IC207
NJM2235V (TE2)
1
2
3
4
6
5
7
8
VIN 1
SW 1
SW 2
V+
VIN 3
V OUT
GND
VIN 2
BIAS
BUFFER
4dB
4dB
VCC2
75Ω
DRIVER
LPF
LPF
LPF
75Ω
DRIVER
2dB
4dB
2dB
75Ω
DRIVER
2dB
75Ω
DRIVER
2dB
4dB
75Ω
DRIVER
2dB
4dB
75Ω
DRIVER
4dB
2dB
CIN
2
VIN
4
MUTE1
3
YC MIX
5
YIN
6
BIAS
7
GND1
8
NC
9
GND1 10
NC 11
CYIN 12
CLP 13
CbIN 14
CrIN 16
GND2 17
MUTE2 15
VCC1
1
34
CrSAG
18
CrOUT
19
CbSAG
21
GND2
20
CbOUT
22
CYSAG
24
GND2
23
GND2
26
CYOUT
25
YSAG
27
YOUT
28
VSAG
30
GND2
29
GND2
32
VOUT
31
COUT
33
+
BIAS
BIAS
BIAS
BIAS
BIAS
CLAMP
CLAMP
CLAMP
LPF
LPF
LPF
86
HCD-C770/C990
– FL Board –
IC802
MSM9202-05GS-KDR1
58
56
57
59
61
60
63
64
62
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
6
5
7
8
8
9
10
11
12
13
14
15
16
17
18
19
20
COMMAND
DECODER
CONTROL
CIRCUIT
GRID
DRIVER
TIMING
GENERATOR1
TIMING
GENERATOR2
8bit
SHIFT
REGISTER
WRITE
ADDRESS
COUNTER
COUNTER
OSCILLATOR
DUTY
CONTROL
DIGIT
CONTROL
ADDRESS
SELECTOR
ADRAM
2bit x 16
DCRAM
8bit x 16
CGROM
35bit x 248
CGRAM
35bit x 8
AD
DRIVER
SEGMENT
DRIVER
OSC0
VFL
GND
OSC1
CS
RESET
DA
VDD
CP
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
4
3
AD2
AD1
2
1
P1
P2
39
38
PORT
DRIVER
COM15
COM16
COM13
COM14
COM11
COM12
COM9
COM10
COM7
COM8
COM5
COM6
COM3
COM4
COM1
COM2
READ
ADDRESS
COUNTER
COUNTER
53
54
55
51
52
49
50
47
48
45
46
43
44
41
42
40
87
HCD-C770/C990
– POWER Board –
IC901
STR-F6238 (US, Canadian), STR-F6267S (AEP, Australian)
5
4
3
2
1
OSC
START
REGULATOR
DRIVE
REGULATOR
THERMAL
SHUT DOWN
LATCH
OVER
VOLTAGE
PROTECTOR
OVER
CURRENT
PROTECTOR
OVER LOAD
PROTECTOR
D
GND
F.B
VIN
O.C.P
INH1
INH2
DRIVE
CURRENT
MIRROR
FEED BACK
IC903
SI-8050S-LF1101
IC904
M51945BL
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
+
–
3
SUPPLY
VOLTAGE
INPUT
NC
GND
1.25V
1
2
4
OUTPUT
5
IC906
SI-8033JF
IC908
SI-8120JF
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
ON/OFF
SOFT
START
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
ON/OFF
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
ON/OFF
SOFT
START
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
ON/OFF
88
HCD-C770/C990
7-40.
IC PIN FUNCTION DESCRIPTION
•
DVD BOARD IC301 CXP973064-220R (MACHANISM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
EEP SO
O
Not used
2
SDEN
O
Serial data enable signal output to DVD/CD RF amplifier
3
DOCTRL/
ISBTEST
O
Digital out on/off control signal output to the digital signal processor
“L”: digital out off, “H”: digital out on
“L”: digital out off, “H”: digital out on
4
EEP WC
O
Not used
5
EEP SI
I/O
Two-way data bus with the EEPROM
6
EEP RDY
I
EEPROM ready signal input from the DVD decoder
7
FCS JMP 1
O
Focus jump 1 signal output to the motor/coil driver
8
FCS JMP 2
O
Focus jump 2 signal output to the motor/coil driver
9
SENS CD
I
Internal status (SENSE) signal input from the digital signal processor
10
LOAD +
O
Loading motor drive signal (loading in direction) output terminal Not used
11
LOAD –
O
Loading motor drive signal (loading out direction) output terminal Not used
12
XCS DVD
O
Chip select signal output to the DVD decoder
13
VSS
—
Ground terminal (digital system)
14 to 21
D0 to D7
I/O
Two-way data bus with the DVD decoder
22
INIT0 DVD
I
Interrupt signal input from the DVD decoder
23
INIT1 DVD
I
Interrupt signal input from the DVD decoder
24
SCK DSD
O
Serial data transfer clock signal output to the DSD decoder
25
XRST DVD
O
Reset signal output to the DVD decoder “L”: reset
26
SCOR
I
Subcode sync (S0+S1) detection signal input from the digital signal processor
27
LAT CD
O
Serial data latch pulse signal output to the digital signal processor
28
LD ON
O
Laser diode on/off control signal output to the DVD/CD RF amplifier
“L”: laser diode off, “H”: laser diode on
“L”: laser diode off, “H”: laser diode on
29
MIRR
I
Mirror signal input from the digital signal processor
30
COUT CD
I
Numbers of track counted signal input from the digital signal processor
31
INLIM
I
Detection signal input from limit in switch The optical pick-up is inner position when “H”
32
CS ZIVA
O
Chip select signal output to the DVD system processor
33
SI ZIVA
I
Serial data input from the DVD system processor
34
SO ZIVA
O
Serial data output to the DVD system processor
35
SCK ZIVA
O
Serial data transfer clock signal output to the DVD system processor
36
DRVIRQ
O
Interrupt request signal output to the DVD system processor
37
DRVRDY
O
Ready signal output to the DVD system processor
38
RST
I
System reset signal input from the DVD system processor “L”: reset
39
VSS
—
Ground terminal (digital system)
40
XTAL I
System clock input terminal (20 MHz)
41
EXTAL O
System clock output terminal (20 MHz)
42
VDD
—
Power supply terminal (+3.3V) (digital system)
43, 44
SLED A, SLED B
O
Sled motor drive signal output
45
JIT OFFSET
O
Output terminal for offset adjustment of APEO (<z/. pin of DVD decoder)
46
SDOUT DSD
O
Serial data output to the DSD decoder
47
SDIN DSD
I
Serial data input from the DSD decoder
48
READY DSD
I
Ready signal input from the DSD decoder “L”: ready
49
DATA CD
O
Serial data output to the digital signal processor
50
CLOK CD
O
Serial data transfer clock signal output to the digital signal processor
51
XMSLAT
O
Serial data latch pulse signal output to the DSD decoder
52
SQSO
I
Subcode Q data input from the digital signal processor
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