Sony DAV-HDZ273 / HCD-HDZ273 Service Manual ▷ View online
HCD-HDZ273
53
IC404 MM1758AFBE (I/O Board)
1
2
3
4
28 VCC2
23 CVBS OUT
25 S1
150k
Ω
BIAS
12
150k
Ω
BIAS
CLAMP
6dB
6dB
6
7
8
CLAMP
BIAS
6dB
9
10
11
13
5
+
6dB
–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 YOUT
22 GND2
6.75MHz
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
20 CYOUT
75
Ω
DRIVER
S-DC OUT
S1/S2
26 COUT
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
CLAMP
150k
Ω
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CBOUT
19 GND2
17 GND2
15 GND2
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14
150k
Ω
BIAS
16 CROUT
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
VCC1
CIN
MUTE 1
CVBS IN
CBIN
YIN
GND
BIAS
I/P
CYIN
CLP
MUTE2
YC MIX
CRIN
IC411 MC14052BDR2 (I/O Board)
HCD-HDZ273
54
IC901 STR-F6138-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)
IC941 SI-3010KM-TL (POWER Board)
IC201 SI-3010KM-TL (MAIN Board (6/9))
IC505 SI-3010KM-TL (MAIN Board (5/9))
IC506 SI-3010KM-TL (MAIN Board (5/9))
IC201 SI-3010KM-TL (MAIN Board (6/9))
IC505 SI-3010KM-TL (MAIN Board (5/9))
IC506 SI-3010KM-TL (MAIN Board (5/9))
TSD
REF
4
3
2
1
5
+
–
VOUT
GND
VIN
VCONT
SENSE
HCD-HDZ273
55
• IC Pin Function Description
MAIN BOARD (2/9) IC1101 CXD9927R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGITAL SERVO PROCESSOR, DIR/USB
CONTROL)
MAIN BOARD (2/9) IC1101 CXD9927R
(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
O
Reference voltage (2.8V) output
28
V20
O
Reference voltage (2.0V) output
29
VREFO
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 (Not used in this set)
45
USBDM
I/O
USB port serial data input/output (Not used in this set)
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
52
DIR_AUDIO/NC
I
DIR audio signal input (Not used in this set)
HCD-HDZ273
56
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
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 terminal
82 to 86
HD2 to HD6
I/O
Flash ROM data bus D2 to D6 input/output
87
HA21
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 terminal
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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