Block Diagram; Adjustment - Kenwood DV-605 Service Manual

DV-605/DVF-R5060-S
IC41
FLASH MEMORY
8MBIT
M29F400T-90N1
IC31
AC CORD
SDRAM-64MBIT
HY57V651610BLTC-8
125MHz
+9V ANALOG VCC
-9V ANALOG VCC
SMPS
+5V DIGITAL VCC
+3.3V DIGITAL VCC
+9V MOTOR VCC
5V FRONT
TVM MECHA
F/E & MECHA
No. ITEM
Progressive
1
Y LEVEL
Adjustment Method & Precautions
1. Play Back 100% White Pattern
2. Channel 2 : OSC Probe, Composite(JK83-A)
3. Channel 1 : OSC Probe, Y(JK84) output
Channel 2 : Trigger
4. OSC Time / Div Control
5. VR11Variable : See the Scope Wave
[mV]
white
714
yellow
714
(100IRE)
641
516
0
4.7µs
-286
4

BLOCK DIAGRAM

+5VS
FL AC
FL AC IC91
-27V
F-OE(DRAM OE)
F-CE
IC21
ADDR+
F-WE
F-RESET
F-DE
DATA+
DATA+
RDNOTWR
D-RAS0-
ADDR+
D-CAS0-
D-CAS1-
STI5519
MPEG
EXT-PSTART/ERROR
EXIT-DATAVALID
EXIT-DATA
EXIT-BCLK
+3V3-RESET
IRQ2
F/E SCL
F/E SDATA
+3.3V DIGITAL VCC
+5V DIGITAL VCC
+9V MOTOR VCC
+9V MOTOR VCC
SDA
IC22
EEPROM
M24C02

ADJUSTMENT

INPUT SETTING
Connect the oscilloscope to
100% COLOR
Y output(JK84) with 75-ohms resistor.
BAR DISC
Output Mode: Progressive
cyan
green
magenta
443
red
324
1000mV
blue
252
black
±100mV
127
54
Y
Fig. 1
FL
IC61
DAC LATI25
DAC SCKDSD
DAC SDIDEM
BA4560
DAC MUTEB
WM8728
CSBWL
DAC
DAC ZERO L.P.F
PCM-DATA
PCMCLK
PCM MCLK
L.P.F
PCM LRC
AUDIO MUTE
CVBS-OUT
Y-OUT
C-OUT
I (Y)-OUT
I (Y)-OUT
I (Y)-OUT
IC11
P SCAN STB P (Cr)-OUT
P SCAN DATA P (Cb)-OUT
PM0026
P SCAN CLK P (Y)-OUT
PROGRASSIVE
VIA2-VIA8
SPDIF
BUFFER
VIDEO MUTE
IC51
PIXCLK-27MHZ
74HCU04
HEX INVERTER
SCL
OUTPUT SETTING
L AUDIO
Q61L
MUTE
Q61R
R AUDIO
IC12
MM1568
75 ohm x2
I/P
DRIVER FOR
TR
DVD
SWITCHING
6CH/6dB/FOR
PROGRASSIVE
JK81
COAXIAL
IC85
OPTICAL
ALIGNMENT ALIGNMENT
POINT FOR
Y-signal=
VR11
1000mV±100mV
JK82
Lch
MIXED
Rch
JK83A
CVBS-VIDEO
JK83B
S-VIDEO
RCA 3V
JK84
Cr
Cb
Y
GND
JK87
P SCAN
ON/OFF
SW
DV-605
FIG.
FIG.1