Sony DAV-DZ820KW / HCD-DZ820KW Service Manual ▷ View online
65
HCD-DZ820KW
– DIAT-TX Board –
IC804 CXD4016R
LRCK 49
BCK 50
BCKOUT 51
LRCKOUT 52
CK12 53
CSST 54
VSS 55
VSS 58
XTCK4 60
XSM 61
MST 62
XTST 63
XRST 64
VDD
OSCI 57
56
OSCO 59
AUDIO
INTERFACE
READ-
SOLOMON
PARITY
GENERATOR
PLL
CLOCK
GENERATOR
DTIN
48
DT2 INF
47
APS
41
VSS
40
VDD
APX
39
APVGS
42
APCPO
43
38
PLVAR
37
PLREF
36
TEST5
33
TEST6
34
TEST7
35
VCOT
46
APAVS
45
APAVD
44
MODULATOR
D/A
CONVERTER
BUFFER
RAM
DAVRO
25
VDD
26
VSS
20
VDD
19
VSS
27
TEST0
28
DACK
18
DAPD
17
TEST1
29
TEST2
30
TEST3
31
TEST4
32
DAVREF
24
DAAVS
23
DAAVD
22
DAAOUT
21
CLOCK
SELECTOR
TESTMD
1
SMCK
2
IFEXMD
3
IIFSEL1
4
IIFSEL0
5
EXCKSEL
6
CHNM BL
7
DIVCODE
8
PCMID
9
EMPIN
10
VDD
11
VSS
12
SCLK
13
XSCEN
14
SWDT
15
CSOD
16
CONTROLLER
IC704 SN74LVC257APWR
1
10
9
8
11
12
13
14
7
6
15
16
3
4
5
2
GND
1Y
2Y
3Y
4Y
OE
A/B
1A
1B
2A
2B
3A
3B
4A
4B
VCC
IC771 SN74LVC1G08DCKR
1
2
3
Vcc
5
GND
4
A
B
Y
IC782 SN74LVC1G79DCKR
1
2
VCC
5
D
Q
CLK
GND
TG
TG
TG
TG
4
C
C
C
C
C
C
_
C
_
C
_
C
_
C
_
3
– MAIN Board –
66
HCD-DZ820KW
– IO-S TERMINAL Board –
IC201 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
IC371 M6249FP-TP
VR 2
VR 1
VIN1
VOUT1
GND
DATA
VIN2
VOUT2
VCC
CLOCK
7
2
3
4
8
1
REF AMP
VOL AMP 2
VOL AMP 1
6
LOGIC
CONTROL
5
VREF
IC350 MC14052BDR2
67
HCD-DZ820KW
– FL Board –
IC802 PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
68
HCD-DZ820KW
• IC Pin Function Description
MAIN BOARD IC501 M30622MEP-A61FPU0 (SYSTEM CONTROLLER)
MAIN BOARD IC501 M30622MEP-A61FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/
O
DAMP processor and Diat data output
DIAT_SDATA
2
DAMP_SHIFT/
O
DAMP processor and Diat clock output
DIAT_SCLK
3
DSP_INTR
I
DSP interrupt
4
SIRCS_IN
I
Sircs input
5
DSP_MOSI/DIR_DIN
O
DSP and DIR data output
6
DSP_MISO
I
DSP data input
7
DSP_SPICLK/DIR_CLK
O
DSP/DIR clock output
8
BYTE
I
External data bus (Ground terminal)
9
CNVSS
I
Change processor mode (Pull down)
10
EN_A/DAMP FSDLY
I
Volume control for ENCODER (Pull up)
11
EN_B/FL_RESET
I
Volume control for ENCODER (Pull up)
12
RESET
I
System reset signal input
13
XOUT
O
Crystal output for main clock (5MHz)
14
VSS
—
Ground terminal
15
XIN
I
Crystal input for main clock (5MHz)
16
VCC
—
Power supply (BUP+3.3V)
17
NMI
I
BUP 3.3V
18
DIR_ZERO
I
DIR zero data detect
19
DIR_CSFLAG/A.CAL
_OUT_LEVEL
I
DIR CSFLAG in
20
AC_CUT
I
Detect AC-CUT
21
FL_CLK/LED_CLK
O
FL and LED driver clock output
22
LED_LAT
O
LED driver latch (not used)
23
DIAT_CSOD
I
DIAT CSOD signal input
24
FL_D_OUT/LED_DATA
O
FL and LED driver data output
25
FL_CS/STB
O
FL driver chip select
26
MIC_GAIN
O
MIC gain control
27
CDM_OPEN_SW
I
CDM open switch input
28
DC_CONT
O
A.CAL MIC DC control output
29
I2C_CLK
I/O
I
2
C clock input
30
I2C_DATA
I/O
I
2
C data input
31
DVD_SID
O
Media Tek data out/Flash write TXD1
32
DVD_SOD
I
Media Tek data in/Flash write RXD1
33
DVD_SCO
I
Media Tek clock in/Flash write CLK1
34
DVD_XIFBUSY
O
Media Tek busy request/Flash write RTS1
35
XM_SC_TX_OUT/
MIC_DET_OUT
O
MIC detect status out to Media Tek
36
XM_SC_RX_IN/
KARAOKE MODE
I
KARAOKE mode information from Media Tek
37
DVD XIFCS
I
Media Tek chip select
38
MTK RST
O
Media Tek reset
39
P_CONT1
O
Control for power supply 1
40
P_CONT2
O
Control for power supply 2
41
P_CONT3
O
Control for power supply 3
42
DRIVE_RST (EN)
O
DAMP driver reset
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