Sony DAV-DZ970WA / HCD-DZ970WA Service Manual ▷ View online
HCD-DZ970WA
69
IC901 STR-F6168-LF1352 (POWER Board)
OCP/INH
1
GND
2
D
3
VCC
4
FB/OLP
5
+
–
–
+
–
–
+
–
+
–
+
–
–
Delay
OVP
TSD
Delay
Reg2
Reg1
Reg3
Current mirror
POWER
MOS FET
MOS FET
Latch
OSC
Boottom Skip
Logic
OCP2
Logic
Internal
Bias
OCP1
Vocp
Rg3
Rg2
Rg1
OCP2
+
–
UVL0
ON=16V
OFF=10.5V
OFF=10.5V
INH1
INH2
FB
Vth1
+
–
–
IOLP
Volp
Vth2
Vocp(BSIN,OUT)
HCD-DZ970WA
70
IC600 BH2210FV-E2 (SERIPARA Board)
DA
TA
LA
TCH
1
CTLIO
2
RESET_B
3
CLK
4
LATCH
5
P15
6
P14
7
P13
8
P12
9
P11
10
P10
11
P9
12
P8
13
LATCHO
14
CLKO
27 VSS
26 DI1
25 DO2
25 DO2
28 VDD
17 P7
18 P6
19 P5
20 P4
21 P3
22 P2
23 P1
24 P0
16 DI2
15 DO1
15 DO1
SHIFT
REGISTER
SHIFT
REGISTER
HCD-DZ970WA
71
• IC Pin Function Description
MAIN BOARD (2/9) IC1101 CXD9917R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGITAL SERVO PROCESSOR, DIR/USB
CONTROL)
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGITAL SERVO PROCESSOR, DIR/USB
CONTROL)
Pin No.
Pin Name
I/O
Description
1
OSN
—
RF offset cancellation capacitor connecting terminal
2
RFGC
I
RF AGC loop capacitor connecting terminal
3
IREF
I
Current reference setting terminal
4
AVDD3
—
Power supply (VDD3.3V)
5
AGND
—
Ground
6
DVDA
I
AC coupled input path A
7
DVDB
I
AC coupled input path B
8
DVDC
I
AC coupled input path C
9
DVDD
I
AC coupled input path D
10
DVDRFIP
I
DC coupled DVD RF signal input RFIP
11
MA
I
DC coupled main-beam RF signal input A
12
MB
I
DC coupled main-beam RF signal input B
13
MC
I
DC coupled main-beam RF signal input C
14
MD
I
DC coupled main-beam RF signal input D
15
SA
—
Not used (Open)
16
SB
—
Not used (Open)
17
TNI
I
DC coupled main-beam RF signal input E
18
TPI
I
DC coupled main-beam RF signal input F
19
MDI1
I
Laser power monitor input
20
MDI2
I
Laser power monitor input
21
LDO2
O
Laser diode (DVD) drive signal output
22
LDO1
O
Laser diode (CD) drive signal output
23
SVDD3
—
Power supply (RF+3.3V)
24
CSO
O
Not used (Open)
25
RFLVL
O
RFRP low pass output
26
SGND
—
Ground
27
V2REFO [2.8V]
O
Reference voltage (2.8V) output
28
V20 [2.0V]
O
Reference voltage (2.0V) output
29
VREFO [1.4V]
O
Reference voltage (1.4V) output
30
FEO
O
Focus error monitor output
31
TEO
O
Tracking error monitor output
32
TEZISLV
O
TE Slicing Level input
33
OP_OUT
O
Op amp output
34
OP_INN
I
Op amp negative input
35
OP_INP
I
Spindle feedback signal input
36
DMO
O
Disc motor control PWM output
37
FMO
O
Feed motor control PWM output
38
TROPENPWM
O
Tray PWM output/Tray open output
39
IOPMON
I
Iop Monitor input
40
TRO
O
Tracking servo control signal output
41
FOO
O
Focus servo control signal output
42
AGND18
—
Ground
43
AVDD18
—
Power supply (+1.8V)
44
USB_DP
I/O
USB port serial data input/output
45
USBDM
I/O
USB port serial data input/output
46
USB_VDD3
—
USB power supply (+3.3V)
47
USB_VSS
—
USB ground
48
PAD_VRT
—
Not used
49
USB_VDD18
—
Power supply (+1.8V)
50
USB_VSS
I
Ground
51
DIR_ERROR/NC
I
DIR PLL error signal input (Not used in this set)
52
DIR_AUDIO/NC
I
DIR audio signal input (Not used in this set)
HCD-DZ970WA
72
Pin No.
Pin Name
I/O
Description
53
LIMITSW
I
LIMIT SW signal input
54
MSW
O
DVD/CD PD –VR select signal output
55
DVDD18
—
Power supply (+1.8V)
56 to 62
HA2 to HA8
O
Flash ROM address bus A2 to A8 output
63, 64
HA18, HA19
O
Flash ROM address bus A18, A19 output
65
DVDD3
—
Power supply (+3.3V)
66
XWR
O
Flash ROM write signal output
67 to 74
HA16 to HA9
O
Flash ROM address bus A16 to A9 output
75
HA20
O
Flash ROM address bus A20 output
76
XROMCS
O
Flash ROM chip select signal output
77
HA1
O
Flash ROM address bus A1 output
78
XRD
O
Flash ROM read signal output
79, 80
HD0, HD1
I/O
Flash ROM data bus D0, D1 input/output
81
DVSS
—
Ground
82 to 86
HD2 to HD6
I/O
Flash ROM data bus D2 to D6 input/output
87
HD21
I/O
Flash ROM data bus D21 input/output
88
RESERVED
—
Not used (Open)
89
HD7
I/O
Flash ROM data bus D7 input/output
90
DVSS
—
Ground
91, 92
HA17, HA0
O
Flash ROM address bus A17, A0 output
93
DVDD18
O
Flash ROM data bus D18 input/output
94
FWR
O
Loading motor control (FWR) signal output
95
REV
O
Loading motor control (REV) signal output
96
DVDD3
—
Power supply (+3.3V)
97
IFSDO
O
CPU I/F serial data output
98
IFCK
O
CPU I/F serial clock output
99
xIFCS
O
CPU I/F chip select output
100
IFSDI
I
CPU I/F serial data input
101
SCL
O
EEPROM serial clock output
102
SDA
I/O
EEPROM serial data input/output
103
CKSW
I
Chuck/Tray detect switch signal input
104
OCSW
I
Chuck/Tray detect switch signal input
105
RXD
I
RXD signal input from Jig
106
TXD
O
TXD signal output to Jig
107
ICE
O
Not used (Open)
108
xSYSRST
I
System reset signal input
109
RESERVED
I
Not used (Open)
110
xIFBSY
I
Busy signal input from CPU I/F
111
DQM0
O
SDRAM lower byte mask signal output
112
EEWP
I
EEPROM ready/Busy wake up signal input
113 to 117
RD7 to 3
I/O
SDROM data bus D7 to D3 input/output
118
DVDD3
—
Power supply (+3.3V)
119 to 121
RD2 to RD0
I/O
SDROM data bus D2 to D0 input/output
122 to 129
RD15 to RD8
I/O
SDROM data bus D15 to D8 input/output
130
TSD_M
I
TSD signal input
131
DVDD3
—
Power supply (+3.3V)
132
DQM1
O
SDRAM lower byte mask signal output
133
_RWE
O
SDRAM write enable signal output
134
_CAS
O
SDRAM column address strobe signal output
135
_RAS
O
SDRAM row address strobe signal output
136
_RCS
O
SDRAM chip select signal output
137, 138
BA0, BA1
O
SDRAM bank address 0, 1 output
139
RA10
O
SDRAM address bus A10 output
140, 141
RA0, RA1
O
SDRAM address bus A0, A1 output
142
DVDD18
—
Power supply (+1.8V)
143, 144
RA2, RA3
O
SDRAM address bus A0, A3 output
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