KENWOOD DVR505 Service Manual

Cover page of KENWOOD DVR505 Service Manual

Service Manual for KENWOOD DVR505, downloadable as a PDF file.

We also have owner's manual to this model.

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Sample pages

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DVD / AV RECEIVER
DVR-505/7000
SERVICE MANUAL
© 2001-12 PRINTED IN KOREA
B51-5779-00 (K/K) 3482
DIGITAL
(OPTICAL)
S VIDEO
Front panel *
(A60-)
Crystal window
(B10-3850-08)
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
KENWOOD-Corp. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.
Knob(VOLUME)
(K29-8164-08)
Button
(K29-8163-08)
Button(POWER)
(K29-8165-08)
Indicator select
(B19-1643-08)
Optical input jack
(W02-2934-08)
Phone jack
(E11-0957-08)
S-video jack
(E56-0045-08)
RCA jack
(E63-1272-08)
* Refer to parts list on page 24 .
** Refer to page2 if you want to know system
configuration.
70%
(DVT-505/7000)**
DIN socket
(E63-1243-08)
Top cover
(A01-3863-08)
Tuner ass'y *
(W02-)
Clamp cord
(J42-0350-08)
AC power cord *
(E30-)
Oscillating module
(W02-2911-08)
Oscillating module
(W02-2934-08)
Phono jack
(E63-1244-08)
RCA jack
(E70-0165-08)
Phono jack
(E63-1270-08)
Slide switch(SW1)
(S62-0113-08)
background image
DVD / AV RECEIVER
DVR-505/7000
SERVICE MANUAL
© 2001-12 PRINTED IN KOREA
B51-5779-00 (K/K) 3482
DIGITAL
(OPTICAL)
S VIDEO
Front panel *
(A60-)
Crystal window
(B10-3850-08)
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
KENWOOD-Corp. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.
Knob(VOLUME)
(K29-8164-08)
Button
(K29-8163-08)
Button(POWER)
(K29-8165-08)
Indicator select
(B19-1643-08)
Optical input jack
(W02-2934-08)
Phone jack
(E11-0957-08)
S-video jack
(E56-0045-08)
RCA jack
(E63-1272-08)
* Refer to parts list on page 24 .
** Refer to page2 if you want to know system
configuration.
70%
(DVT-505/7000)**
DIN socket
(E63-1243-08)
Top cover
(A01-3863-08)
Tuner ass'y *
(W02-)
Clamp cord
(J42-0350-08)
AC power cord *
(E30-)
Oscillating module
(W02-2911-08)
Oscillating module
(W02-2934-08)
Phono jack
(E63-1244-08)
RCA jack
(E70-0165-08)
Phono jack
(E63-1270-08)
Slide switch(SW1)
(S62-0113-08)
background image
AC Plug Adaptor (1)
(E03-0115-05)
Use to adapt the plug on the
power cord to the shape of the
wall outlet.
(Accessory only for regions where
use is necessary.)
FM indoor antenna (1)
Loop antenna (1)
Remote control unit (1)
Batteries (LR03/AAA) (2)
V ideo cord (1)
SCAR T plug (1) (for U.K. only)
Speaker cords (6)
(T90-0882-08)
(A70-1580-08): KPXY
(A70-1580-08): MM2M3
(A70-1581-08): TE
(E30-7265-08): Red
(E30-7266-08): Blue
(E30-7267-08): Brown
(E30-7268-08): Blue
(E30-7269-08): Gray
(E30-7270-08): Orange
(T90-0896-08)
(E69-0012-05)
(E30-1427-05)
DVR-505/7000
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS ............. 2
BLOCK DIAGRAM ......................................................3
CIRCUIT DESCRIPTION ............................................4
WIRING DIAGRAM .....................................................9
PC BOARD .............................................................. 10
SCHEMATIC DIAGRAM .......................................... 16
EXPLODED VIEW ....................................................28
PARTS LIST..............................................................29
SPECIFICATIONS ......................................Back cover
Contents
Accessories
The marking this product has been classified as Class
1. It means that there is no danger of hazardous radia-
tion outside the product.
Location: Back panel
CLASS 1
LASER PRODUCT
The marking of products using lasers
(Except for some areas)
Operation to reset
The microcomputer may fall into malfunction (impossibility to
operate, erroneous display, etc.) when the power cord is un-
plugged while power is ON or due to an external factor. In this
case, execute the following procedure to reset the microcom-
puter and return it to normal condition.
÷ Please note that resetting the microcomputer clears the
contents stored in and returns and to condition when it left
the factory.
Set the POWER switch to ON (set to Standby
mode). Then press the
¢ key, 4 key and STOP
key in this order.
Cautions
SYSTEM
MAIN UNIT
DESTINATION SPEAKER
DVT-505
DVR-505
KP
KS-305DV
SW-15DV
DVT-7000
DVR-7000
ETMXY
KSW-7000
DVT-7000(M2)
DVR-7000(M2)
M2
KSW-7000
DVT-7000(M3)
DVR-7000(M3)
M3
KSW-7000
System configuration
background image
DVR-505/7000
3
D GND
6dB
6dB
C-VIDEO
DVD
S-VIDEO
6dB
6dB
DVD
AGND
-5.6V
+5.6V
COMPOSITE
R(CR)
B(CB)
G(Y)
C
Y
+5.6V
-5.6V
AGND
R(CR)
B(CB)
G(Y)
C
Y
CVBS
FROM SYSTEM u-COM
27MHz
DAC MCLK
AGND
MGND
DGND
+5.6V
SPDIF
DGND
MGND
+5VA
AGND
+12VA
-5VA
+3.5V
+2.5V
+5V
+5.5VS
+12VM
+12VM
to
DVD & VIDEO
GND
P/C
5.5VS
P/D
to FRONT
LPF
LPF
LPF
LPF
LPF
LPF
INPUT
12.28MHz
SDATAN1
SW
CT
RS
LS
FR
FL
DVD
FROM SYSTEM u-COM
SW
CT
RS
FR
LS
FL
SW
CT
RS
LS
FR
FL
FL
GND
FR
RS
GND
LS
CENTER
GND
SW
DC PRTECTION
CHGND
AM OSC
FM OSC
22
4
DGND
AGND
TUNER-L
TUNER-R
to u-COM
AGND
BUFFER
RDS DATA/CLK
GND
GND
7
4
5
6
1
2
3
1
2
3
1
2
F202
F201
RY201
ST-BY +5V
AC INPUT FOR SMPS
AC2
AC1
+
VEE/S1
VDD/S1
+
-15V
+
+15V
AC1
+
AC2
OUT
GND
IN
FL AC
FL AC
+3.3V
+5V
+
FUNCTION SECTION
CONTROL
SECTION
VOLUME/TONE
TUNER
DVD
CONTROL
LED
CE,CLK,DATA
4094
+5V
A/D INPUT
P/C
RDS DATA/CLK
POWER DOWN
TO SMPS
DETECT
DC
PROTECT
DGND
HEADPHONE
DETECT
H MUTE
17dB
FRONT
MUTE
SUR
MUTE
MUTE
CEN SUB/W
MUTE
SUB WOOFER
AUX(F)
VIDEO2
R/O
P/B
MONITOR
VIDEO1
MONITOR
R/O
VIDEO2
P/B
AUX(F)
VIDEO1
VIDEO
SWITCHING
AUDIO
OUTPUT
IC201
MPEG
PROCESSOR
SDRAM
FLASH
EEPROM
ADC
MECHANISM
CONTROL
LOAD
PLL IC
DAC
AUDIO-
IC1
SECTION
DVD
SMPS FOR
DVD & VIDEO
FOR DVD
AC INPUT
AUX(F)
COAXIAL
OPTICAL
COAXIAL
OPTICAL
OPTICAL
OUTPUT
DIGITAL
INPUT
DIR
PROCESSOR
SURROUND
ADC &
DAC
IC5
IC1
IC14
IC11,12
IC84
VOLUME &
MASTER
TONE
CIRCUIT
IC88(2/2)
IC88(1/2)
IC87(2/2)
IC87(1/2)
IC86(2/2)
IC86(1/2)
IC89
SPKR
RLY101
IC90
RLY102
SPKR
IC91
RLY103
SPKR
JACK101-C
JACK101-A
JACK101-B
GND
AM LOOP
FM75
ANTENNA
AM RF
FRONT-END
FM
IF AMP
FM/AM
DECODER
RDS
IF+MPX
PLL
TUNER MODULE
VIDEO1
VIDEO1 REC
AUX/FRONT
SAT/VID2
IC75
IC10
AUDIO
SWITCH
CN113
CN121
CN206
AC INPUT
AC INPUT
SEL
STAND -BY
CONTROL
Q201
D70
IC501
SYSTEM u-COM
FL431
FL DISPLY
IC431
REGISTER
SHIFT
FRONT KEY
FUNCTION
HP401
PROTECTION
Q76,Q77
HEAD-
PHONE
IC85
HEADPHONE
AMP
VIDEO INPUT
Q84,85
REC OUT
REC OUT
DIGITAL
IN
DATA
DATA
DIGITAL
DATA
SURROUND
DSP B'D
IC70
IC71
IC73
IC72
DVR-505/7000
BLOCK
DIAGRAM
background image
DVR-505/7000
4
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Description
1
GRID2
O
FIP GRID
2
GRID1
O
FIP GRID
3
NC
-
CONNECTED TO VDD
4
POWER DOWN
I
POWER DOWN CHECK
5
RDS CLK
I
RDS CLOCK
6
DVD RX
I
DVD UART INTERFACE (RX)
7
RDS OPTION
-
NC (CONNECTED TO GND)
8
RMC
I
REMOTE CONTROLLER SIGNAL
9
RDS DATA
I
RDS DATA
10
SM7346 CLK
O
VOLUME IC (IC84) CLOCK
11
SM7346 DATA
O
VOLUME IC (IC84) DATA
12
ENCODER UP
I
ENCODER (1) SIGNAL
13
ENCODER DW
I
ENCODER (2) SIGNAL
14
DVD TX
O
DVD UART INTERFACE (TX)
15
DVD RST
O
DVD RESET
16
DSP A. BOOST
O
DSP AUTO BOOT
17
H/P CHK
I
HEADPHONE CHECK
18
CS8415A-CE
O
DIR IC (IC14) CHIP ENABLE
19
EMPHASIS
O
CS4228 DAC IC EMPHASIS ON/OFF
20
TUNED
I
TUNED SIGNAL
21
DSP INTREQ
O
DSP INT REQUEST
22
4094CE
O
IC431 CHIP ENABLE
23
CS49326 CE
O
CS49326 DSP IC (IC5) CHIP ENABLE
24
CS4228 CE
O
CS4228 DAC IC (IC1) CHIP ENABLE
25
DSP CLK
O
CS49326 DSP IC (IC5) CLOCK
26
CS49326 DATA IN
I
CS49326 DSP IC (IC5) DATA
27
DSP DA OUT
O
CS49326 DSP IC (IC5) DATA
28
VREF
I
A/D REFERENCE (5V)
29
PROTECT
I
AMP PROTECTION IN
30
KEY IN
I
A/D KEY
31
EEPROM DATA
I/O
EEPROM (IC502) DATA
32
EEPROM CLK
O
EEPROM (IC502) CLOCK
33
8415 DA IN
I
CS8415 DIR IC (IC14) DATA
34
DVD OPTION
I
MODEL DISCRIMINATION
35
PLL DATA IN
I
PLL DATA
36
STEP OPTION
I
TUNER STEP OPTION
37
VSS
I
AVSS (ANALOG GND)
38
RST
I
RESET(LOW ACTIVE)
39
EXTAL
I
X-TAL IN(10MHz)
40
XTAL
O
X-TAL OUT(10MHz)
41
GND
-
VSS (DIGITAL GND)
42
NC
O
UNUSED
43
GND
-
GND
44
VDD
I
VDD (DIGITAL VDD)
45
VFDP
I
VFDP (FIP PULL DOWN POWER -30V)
46
STANDBY
O
STANDBY (POWER RELAY ON/OFF)
47
SPK RELAY
O
SPEAKER RELAY ON/OFF
48
SUB ON/OFF
O
SUB WOOFER GAIN CONTROL
49
CS8415 RST
O
CS8415 (IC14) RESET
50
PLL CE
O
PLL CHIP ENABLE
51
PLL CLK
O
PLL CLOCK
52
PLL D OUT
O
PLL DATA
53
A CLK
O
COMMON CLOCK(LC7821,BU4094)
54
A DATA
O
COMMON DATA(LC7821,BU4094)
55~59
VIDEO (SW1~SW5)
O
VIDEO SW (1~5)
1. Port Description of System Microcomputer : CXP828XX(IC501)
background image
DVR-505/7000
5
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Description
60
4228 RST
O
CS4228 (IC1) RESET
61
LC7821 CE
O
LC7821(TUNER PACK) CHIP ENABLE
62
SM7346 CE
O
SM7346 (IC84) CHIP ENABLE
63
T MUTE
O
TUNER MUTE
64
S MUTE
O
REAR SIGNAL MUTE
65
C MUTE
O
CENTER SIGNAL MUTE
66
F MUTE
O
FRONT SIGNAL MUTE
67
W MUTE
O
SUB WOOFER SIGNAL MUTE
68
CS49326 RST
O
CS49326 DSP IC (IC5) RESET
69~71
DSP (A15~A17)
O
DSP ROM ADDRESS (SEL 1~3)
72~88
SEG (1~17)
O
FIP SEGMENT
89
VDD
-
VDD (DIGITAL VDD)
90,91
SEG18,19
O
FIP SEGMENT
92-100
GRID (11~3)
O
FIP GRID
Port No.
Port Name
I/O
Main
Alternate function
Function
Input
Output
Audio DAC
51
DAC SCLK
O
Over sampling clock
EXT AUD CLOCK
52
DAC PCMOUT0
O
PCM out 0
EXD AUD DATA
53
DAC PCMOUT1
-
PCM out 1 (unused)
EXT AUD REQ
54
DAC PCMOUT2
-
PCM out 2 (unused)
55
DAC PCMCLK
I/O
PCM clock
56
DAC LRCLK
O
Left/Right clock
EXT AUD WCLK
57
SPDIF OUT
O
SPDIF out
48
VDD PCM
-
VDD(+3V3)
49
VSS PCM
-
GND
Clock & Reset
124
RESET
I
Chip reset
122
VDD PLL
-
VDD PLL
123
VSS PLL
-
GND
120
PIX CLK
I
27MHz main clock
PIOs and communication
186
PIO0(0) T STROBE
I/O
PIO0(0)
UART0 data
187
PIO0(1) MOD SW
I/O
PIO0(1)
ATAPI RD
188~191
PIO0(2)~PIO0(5)
O
Unused
PIO0(6) SLIDER SENSOR
192
OPEN/CLOSE
I/O
PIO0(6)
(DRAWER POSITION)
193
PIO0(7) SLIDER IN
(DRAWER CCW/CTRL)
I/O
PIO0(7)
194
PIO1(0) SDA
I/O
PIO1(0)
SSC0 data
(MTSR out/MRST in)
195
PIO1(1) SCL
I/O
PIO1(1)
SSC0 clock
196
PIO1(2) SLIDER OUT
(DRAWER CW CTRL)
I/O
PIO1(2)
PARA DVALID
197
PIO1(3) TXD(JIG)
I/O
PIO1(3)
UART2 TXD
200
PIO1(4) RXD(JIG)
I/O
PIO1(4)
UART2 RXD
201
PIO1(5) FRONT TXDI
I/O
PIO1(5)
PARA SYNC
UART1 RXD
202
TRIGGER IN
I/O
Trigger in for DCU
203
TRIGGER OUT
I/O
Trigger out for DCU
204
PIO2(0) H/P IND
-
Unused
205
PIO2(1) FRONT RXD
I/O
PIO2(1)
PARA SYNC
206
PIO2(2)
-
Unused
207
PIO2(3)
-
Unused
208
PIO2(4) AUDIO MUTE
I/O
Audio mute
2. Port list sorted by function for MPEG Processor IC(Main IC201)

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