Kenwood DVR 5070 Service Manual

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DVR75070(K)iut1P 01.12.18 2:43 PM NH? 1 /\

DVD/AV RECEIVER KEN V D
DVR-507O WOO

SERVICE MANUAL

©2001-12 PRINTED IN KOREA
B51-5778-00 (K/K) 1382

Front panel DEC crystal Knob(VOLUME) Optical input jack
(A60-2252-08) (B10-3860-08) (K29-8207-08) (woz-2934-os)

i iLi Ii
MW,
DEC button p Plastic MLB S-video jack Phone jack
(K29-8165-08) (B19-1643-08) (E56-0045-08) (E11-0957-08)
DEC button RCA jack
(K29-8163-08) (E63-1272-08)
/ \ '
k / \
Oscillating module
(W02-2911-08)
Oscillating module
(W02-2936-08)X2
Pun cover Tuner ass'y Phono jack MLD clamp
(A01 (3863-08) (W02-2925-08) (E63-1244-08)x2 (J42-0350-08)
l D 0
fl m ,3
@-
fl @®C- o
s fl
Q

@Q; l

DJ win 5 vinEo

W @D (9
will,» LENS w

Conn-speaker Phono jack Phono jack DlN socket Wire-MCRDM
(E70-0165-08) (E63-1274-08)x2 (E63.1271_03) (E63-1243-08)X4 (E30-7276-08)
DIN socket
(E56-0046-08)

In compliance with Federal Regulations, following are repro- KENWOOD-Corp. certifies this equipment conforms to DHHS
duction of labels on, or inside the product relating to laser Regulations No.21 CFR1040. 10, Chapter 1, subchapterJt
product safety.
DANGER : Laser radiation when open and interlock defeated.
Caution : No connection of ground line if disassemble AVOID DIRECT EXPOSURE To BEAM' .
the unit. Please connect the ground line on 7.

rear panel, PCBs, Chassis and some others.

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DVR75070(K) 1'11th 01.12.18 3:31 PM \°~7 2

DVR-507O

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS / ACCESSORIES / CAUTIONS ............. 2

BLOCK DIAGRAM ........
CIRCUIT DESCRIPTION.
WIRING DIAGRAM
PC BOARD ...........

SCHEMATIC DIAGRAM .......................................... 15
EXPLODED VIEW. .28
PARTS LIST ........... 29

SPECIFICATIONS ...................................... Back cover

Accessories

FM indoor antenna (1)
(T90-0882-08)

Loop antenna(1)
(T90-0896-08)

Batteries (LR03/AAA)(2)
(A70-1582-08)

m 7. a 7
of I assigiaggofioétij
LWonuoquDoOo'lU

Video cord(1)
(E30-1427-08)

Remote control unit (1)

Speaker cord
(E30-7271-08
(E30-7272-08
(E30-7273-08
(
(

5)

: RED
: WHT
: GRN
: GRY
: BLU

E30-7274-08

E30-7275-08

Cautions

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.

order.

Set the POWER switch to ON (set to Standby mode).
Then press the >>l key, K4 key and STOP key in this

0 Please note that resetting the microcomputer clears the
contents stored in and returns and to condition when it left

the factory.

Caution on condensation

Memory backup function

Condensation (of dew) may occur inside the unit when there is
a great difference in temperature between this unit and the out-
side.

This unit may not function properly if condensation occurs. In
this case, leave the unit for a few hours with the power lelt ON,
and restart the operation after the condensation has dried up.
Be specially cautious against condensation in a following
circumstance:

When this unit is carried from a place to another across a large
difference in temperature, when the humidity in the room where
this unit is installed increases, etc.

Note related to transportation and movement

Stored contents which are
cleared in at least a week after
power plug is unplugged from
power outlet.

Amplifier section
Last input selection
Volume control value
Surround setting
Tuner section
Receiving band
Frequency

Preset stations
Tuning mode setting
DVD section

Menu setup

Power status

Before transporting or moving this unit, carry out the fol»
lowing operations.

0 Remove the disc from the unit.

9 Press the Mn key.

9Wait a few seconds and turn the unit OFF.

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DVR-507O

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\/

CIRCUIT DESCRIPTION

1. Port Description of System Microcomputer : CXP828XX(l0501)

Port No. Port Name |/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
1O 8M7346 CLK O VOLUME IC (I084) CLOCK
11 SM7346 DATA O VOLUME IC (I084) 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 0 DVD RESET
16 DSP A. BOOST O DSP AUTO BOOT
17 WP CHK I HEADPHONE CHECK
18 088415A-CE O DIR IC (I014) CHIP ENABLE
19 EMPHASIS O 084228 DAC IC EMPHASIS ON/OFF
2O TUNED I TUNED SIGNAL
21 DSP INTREQ O DSP INT REQUEST
22 4094CE O IC431 CHIP ENABLE
23 0849326 CE O 0849326 DSP I0 (I05) CHIP ENABLE
24 CS4228 CE O 084228 DAC I0 (I01) CHIP ENABLE
25 DSP CLK 0 0849326 DSP IC (I05) CLOCK
26 0849326 DATA IN I 0849326 DSP I0 (I05) DATA
27 DSP DA OUT 0 0849326 DSP IC (I05) DATA
28 VREF I Am REFERENCE (5V)
29 PROTECT I AMP PROTECTION IN
30 KEY IN I A/D KEY
31 EEPROM DATA I/O EEPROM (I0502) DATA
32 EEPROM CLK O EEPROM (I0502) CLOCK
33 8415 DA IN I 088415 DIR I0 (I014) 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)
4O 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 8PK RELAY O SPEAKER RELAY ON/OFF
48 SUB ON/OFF O SUB WOOFER GAIN CONTROL
49 088415 RST O 088415 (I014) 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 0LOCK(LC7821,BU4094)
54 A DATA O COMMON DATA(LC7821,BU4094)
55~59 VIDEO (SW1~SW5) O VIDEO SW (1 ~5)

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