DOWNLOAD Sony DAV-LF1H / HCD-LF1H Service Manual ↓ Size: 7.53 MB | Pages: 79 in PDF or view online for FREE

Model
DAV-LF1H HCD-LF1H
Pages
79
Size
7.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-lf1h-hcd-lf1h.pdf
Date
PREV: Sony DAV-LF1H Service Manual

Sony DAV-LF1H / HCD-LF1H Service Manual ▷ View online

53
HCD-LF1H
– DMB14 Board –
IC501  AK4358VQ-L
IC111, IC150, IC705  SN74LVC1G08DCKR5
LOUT1– 1
LOUT1+ 2
DZF3 3
DZF2 4
DZF1 5
CAD0 6
ACKSN 7
PDN 8
BICK 9
MCLK 10
DVDD 11
DVSS 12
SDTI4
13
SDTI1
14
SDTI2
15
SDTI3
16
LRCK
17
I2C
18
CCLK/SCL
19
CDTI/SDA
20
CSN/CAD1
21
DCLK
22
DSDL1
25
DSDR1
26
DSDL2
27
DSDR2
28
DSDL3
29
DSDR3
30
DIF0
31
ROUT4–
32
ROUT4+
33
VREFH
34
AVDD
35
AVSS
36
LOUT4–
37
LOUT4+
38
ROUT3–
39
ROUT3+
40
LOUT3–
Audio
I/F
PCM
DSD
41
LOUT3+
42
ROUT2–
43
ROUT2+
44
LOUT2–
45
LOUT2+
46
ROUT1–
47
ROUT1+
48
DSDL4
23
DSDR4
24
DATT
SCF
DAC
Control
Register
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
1
2
3
Vcc
5
GND
4
A
B
Y
54
HCD-LF1H
– DMB14 Board –
IC706  BR24L16F-WE2
8
VCC
7
WP
6
SCL
5
SDA
1
A0
2
A1
3
A2
4
GND
ADDRESS
DECODER
SLAVE WORD
ADDRESS REGISTER
DATA
REGISTER
16 K bit EEPROM ARRAY
CONTROL CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
HIGHT VOLTAGE
GENERATOR
11 bit
8 bit
11 bit
STOP
START
ACK
– MAIN Board –
IC101, IC102   SI-8050S-LF1101
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
IC103   SI-8033S
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
55
HCD-LF1H
– MAIN Board –
IC601   MM1623BFBE
1
VCC1
2
C IN
3
MUTE 1
4
CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150k
Ω
BIAS
12
CB IN
150k
Ω
BIAS
CLAMP
6dB
6dB
6
Y IN
7
GND1
8
BIAS
CLAMP
BIAS
6dB
9
I/P
10
CY IN
11
CLP
13
MUTE2
5
YC MIX
+
6dB
–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
20 CY OUT
75
Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
CLAMP
150k
Ω
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14
CR IN
150k
Ω
BIAS
16 CR OUT
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
IC603   NJM2870F18 (TE2)
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
56
HCD-LF1H
• IC Pin Function Description
DMB14 BOARD  IC101  CXD9804R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AGND
—
Ground terminal
2
DVDA
I
AC coupled input path A
3
DVDB
I
AC coupled input path B
4
DVDC
I
AC coupled input path C
5
DVDD
I
AC coupled input path D
6
DVDRFIP
I
AC coupled DVD RF signal input RFIP
7
DVDRFIN
I
AC coupled DVD RF signal input RFIN (not used)
8
MA
I
DC coupled main-beam RF signal input A
9
MB
I
DC coupled main-beam RF signal input B
10
MC
I
DC coupled main-beam RF signal input C
11
MD
I
DC coupled main-beam RF signal input D
12
SA
I
DC coupled sub-beam RF signal input A (not used)
13
SB
I
DC coupled sub-beam RF signal input B (not used)
14
SC
I
DC coupled sub-beam RF signal input C (not used)
15
SD
I
DC coupled sub-beam RF signal input D (not used)
16
SDFON
I
CD focusing error negative input (not used)
17
SDFOP
I
CD focusing error positive input (not used)
18
TNI
I
3 beam satellite PD signal negative input
19
TPI
I
3 beam satellite PD signal positive input
20
MDI1
I
Laser power monitor input
21
MDI2
I
Laser power monitor input
22
LDO2
O
Laser driver output
23
LDO1
O
Laser driver output
24
SVDD3
—
Power supply (RF+3.3V)
25
CSO
O
Central servo, positive main beam summing output (not used)
26
RFLVL
O
RFRP low pass, or Positive main beam summing output (not used)
27
SGND
—
Ground terminal
28
V2REFO
O
Reference voltage 2.8V
29
V2O
O
Reference voltage 2.0V
30
VREFO
O
Reference voltage 1.4V
31
FEO
O
Focus error monitor output (not used)
32
TEO
O
Tracking error monitor output (not used)
33
TEZISLV
O
TE slicing level (not used)
34
OPOUT
O
Op amp output (not used)
35
OP_INN
I
Op amp negative input (not used)
36
OP_INP
I
Op amp positive input (not used)
37
DMO
O
Disk motor control output. PWM output
38
FMOA
O
Feed motor control. PWM output
39
TROPENPWM
O
Tray PWM output/tray open output.
40
FMOB
O
Feed motor control, PWM output
41
TRO
O
Tracking servo output
42
FOO
O
Focus servo output
43
USB_VSS
—
Ground terminal
44
USBP
—
USB port DPLUS analog pin (not used)
45
USBM
—
USB port DMINUS analog pin (not used)
46
USB_VDD3
—
Power supply (SW+3.3V)
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