Sony HCD-GN880 / MHC-GN880 Service Manual ▷ View online
HCD-GN880
49
49
HCD-GN880
R1003
C1001
C1002
C1003
D1000
Q1000
E
R1000
R1001
C1005
B1000
L1001
RY1000
NO1001
CLP1001
CLP1002
CLP1000
B1001
CN1001
6
5
4
3
2
1
6
5
8
7
4
3
2
1
*
JW1002
C1000
JW1000
T601
POWER TRANSFORMER
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
NO1000
JW1001
JW1007
120V
r
220V
r
230-240V
S1000
AUS
MX
MX
E2, E3, E51
E2, E3, E15
CN1000
AC IN
SWITCHING
REGULATOR
JW1011
JW1009
CN1002
3
1
1
1
1
4
2
2
JW1012
JW1005
JW1008
JW1010
VOLTAGE
SELECT
L
SURROUND
BOARD
(Page 44)
J
PA
BOARD
(Page 42)
M
SURROUND
BOARD
(Page 44)
11
(11)
1-816-402-
PRIMARY BOARD
2
3
4
5
6
7
8
A
1
B
C
D
E
7-23. PRINTED WIRING BOARD – PRIMARY BOARD –
• See page 26 for Circuit Boards Location.
Ref. No. Location
D1000
D-3
Q1000
D-3
• Semiconductor
Location
HCD-GN880
50
50
HCD-GN880
7-24. SCHEMATIC DIAGRAM – PRIMARY BOARD –
7-25. IC Block Diagram
– BD Board –
IC251 BA5947FM
– DRIVER Board –
IC701, 712 BA6956AN
15
16
17
18
19
20
21
22
23
24
25
26
27
36
28
29
30
31
32
33
34
35
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LEVEL
SHIFT
SHIFT
F
R
R
F
R
F
F
19k
6.5k
50k 50k
100k
50k
PIN3
10k
Vref
50k 50k
PIN26
(ch1, 2)
POW
VCC
(ch3, 4)
SW
Pre
Vcc
INTER
FACE
INTER
FACE
INTER
FACE
R
F
50k 50k
POW
VCC
MUTE
Vref
POW
VCC
R
F
10k
CH1PUTF
CH1OUTR
CH2OUTF
CH2OUTR
POWVCC
CNF4
GND
C-M
C-P
VG
CH2RIN
CH2FIN
CH1RIN
CH1FIN
SW
OPIN+
OPIN-
NC
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POWVCC
MUTE
GND
GND
PREGND
CT
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OUTVREF
DPOUT
TREVCC
NC
D
D
D
D
D
D
D
D
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
CN1000
D1000
Q1000
C1003
NO1001
R1000
R1001
L1001
18uH
C1001
C1000
C1005
CN1002
RY1000
NO1000
S1000
CN1001
C1002
B1000
R1003
JW1006
JW1008
JW1001
JW1002
JW1009
JW1007
JW1005
JW1000
2P
1SS355
2SC2412K
T-146-R
0.01
2P
4.7k
100k
0.1
0.01
1000
6.3V
3P
RELAY
5V
WIRE
0.1
0
SWITCHING
REGULATOR
POWER
TRANSFORMER
MX
MX
MX
AUS
AC IN
220-240V
220V
VOLTAGE SELECTOR
120V
E2,E3,E51,AUS
E2,E3,E51,AUS
E2,E3,E51,AUS
Q1000
POWER ON/OFF
RELAY DRIVE
T601
E2,E3,E51
E2,E3,E51
51
HCD-GN880
– BD Board –
IC301 TC94A34FG-002
33
34
35
36
37
38
39
40
41
42
1
8
43
61
62
63
64
60
59
56
52
50
47
46
45
44
48
49
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
9
10
11
2
3
4
5
6
7
58
57
55
53
51
12
13
14
15
16
54
CS/RAS/ADO2
AD15/CAS/PD12
SDO3/OE
WE/SDO1
PIO7/B
US3/IO7
PIO6/FI3/B
US2/IO7
PIO5/FI2/B
US1/IO5
PIO4/FI1/B
US0/IO4
Bus
Switch
PO11/BUCK/AD14
PO10/CCE/AD13
PO9/AD12
PO08/AD11
Gener
al
In/Output P
or
t
Address Calc.
2sets
Y-
P
o
inter
register
C-P
ointer
register
X-P
ointer
register
VDDM
SRMSTB
VDDT
AD10
AD9
ERAM
2k w
ord
CRAM
4k w
ord
CR
OM
4k w
ord
YRAM
4k w
ord
XRAM
4k w
ord
SRAM/
DRAM I/F
SRAM I/F
1Mbit
SRAM
X-Bus
Y-
B
u
s
PO07/AD7
PO06/AD6
PO05/AD5
AD8
VC0
Timing
Generator
PRAM
Instr
uction
Decoder
Prog
ram
Control
MCU
. I/F
register
XO • X1 • X2
Y0 •
Y1 •
Y2
MX
MY
MZ
MA
C
A0
A1
AX
A
Y
ALU
A2
A3
DIT
round & limit
round & limit
Au
d
io I/F
LRCKIA
BCKIA
SDI0
LRCKO
BCKO
SDO0
VSS
VDDT
MIACK
MICK
MIDIO
MILP
MICS
STANBY
RESET
VDDP
AD4/PO04
AD3/PO03
AD2/PO02
AD1/PO01
AD0/PO00
VSS
VDD
CK
O/PO13/AD16
VDDX
XO
TEST
VCOI
VSSX
XI
MIMD
VSSP
PIO3/IO3
PIO2/IO2
PIO1/SDI3/IO1
PIO0/SDI2/IO0
VSS
CKI/CLOCK/IRQ/FIO
VDD
TXO
SFSY/LRCKIB
SBSY/BCKIB
SDI1/D
A
T
A
POM
Sub code
I/F
CDP Cont
I/F
52
HCD-GN880
7-26. IC Pin Function Descriptions
• IC101 CXD3059AR (RF AMP) (BD BOARD)
Pin No.
Pin Name
I/O
Description
1
MIRR
I/O
Mirror signal input/output(Not used)
2
DFCT
I/O
Defect signal input/output (Not used)
3
FOK
I/O
Focus OK signal input/output (Not used)
4
VSS
—
Internal digital ground
5
LOCK
I/O
Not used
6
MDP
O
Spindle motor servo control output
7
SSTP
I
Disk innermost detection signal input
8
IOVSS1
—
I/O digital ground
9
SFDR
O
Sled drive output
10
SFDR
O
Sled drive output
11
TFDR
O
Tracking drive output
12
TRDR
O
Tracking drive output
13
FFDR
O
Focus drive output
14
FFDR
O
Focus drive output
15
IOVDD1
—
I/O digital power supply
16
AVDD0
—
Analog power supply
17
AVSS0
—
Analog ground
18
NC
—
Not used
19
E
I
E signal input
20
F
I
F signal input
21
TEI
I
Tracking error signal input
22
TEO
O
Tracking error signal output
23
FEI
I
Focus error signal input
24
FEO
O
Focus error signal output
25
VC
I/O
Center voltage output from RF amplifier block
26
A
I
A signal input
27
B
I
B signal input
28
C
I
C signal input
29
D
I
D signal input A
30
NC
—
Not used
31
AVDD4
—
Analog power supply
32
RFDCO
O
RFDC signal output (Not used)
33
PDSENS
I
Reference voltage pin
34
AC_SUM
O
RFAC summing amplifier output
35
EQ_IN
I
Equalizer circuit input
36
LD
O
APC output
37
PD
I
APC input
38
NC
—
Not used
39
RFC
I
Equalizer cut-off frequency adjustment pin
40
AVSS4
—
Analog ground
41
RFACO
O
RFAC signal output
42
RFACI
I
RFAC signal input or EFM signal input
43
AVDD3
—
Analog power supply
44
BIAS
I
Asymmetry circuit constant current input
45
ASYI
I
Asymmetry comparator voltage input
46
ASYO
O
EFM full-swing output
47
VPCO
O
Not used
48
VCTL
I
Wide-band EFM PLL VCO2 control voltage input
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