AUDIO VIDEO SURROUND RECEIVER
KRF-V7773D/V7773D-B
© 2000-4/B51-5616-00 (K/K) 2135
KRF-V9993D
SERVICE MANUAL
STANDBY
PHONES
DOLBY DIGITAL
DTS
MPEG
96k fs
D.R.I.V.E.
HDCD
¤ INPUT SELECTOR <
DOOR
OPEN/CLOSE
VOLUME CONTROL
DOWN
UP
AV - AUX
S VIDEO
VIDEO
L - AUDIO - R
A SPEAKERS
CD 2 / TAPE 2
MONITOR
B
CLIP
INDICATOR
PRO LOGIC
3 STEREO
ON/STANDBY
POWER
+
-
+
-
DIGITAL OUT
DVD
CD1
MD/
TAPE1
CD-R
VIDEO2
VIDEO3
VIDEO4
OPTICAL
DIGITAL IN
COAXIAL
Cr
Cb
Y
Cr
Cb
Y
Cr
VIDEO
4 IN
DVD
IN
MONITOR
OUT
Cb
Y
COMPONENT VIDEO
S VIDEO
VIDEO
REC
OUT
PLAY
IN
REC
OUT
PLAY
IN
PLAY
IN
PLAY
IN
PLAY
IN
MONITOR
OUT
SURROUND
CENTER
SUBWOOFER
DVD/6 CH. INPUT
VIDEO4
VIDEO3
VIDEO2
VIDEO1
DVD
FRONT
R
L
AUDIO
SIGNAL
GND
R
L
L
R
L
R
B
L
R
AUDIO
PRE OUT
RF REMOTE ANTENNA
SYSTEM
CONTROL
PHONO
CD1
REC
OUT
PLAY
IN
MD/
TAPE1
REC
OUT
PLAY
IN
CD-R
VIDEO
AUDIO
CENTER
FRONT
SURROUND
SUB
WOOFER
REC
OUT
PLAY
IN
CD2/
TAPE2
MONITOR
SECOND ROOM
PRE OUT
SL 16
TEXT
IR
RECEIVER
IN
DC12V
20mA
IR OUT
LCD
REMOTE
REMOTE
RELAY
CONTROL
DC12V
20mA
TV ON/OFF
SENSOR
DC5V
10mA
IR OUT LCD IR RECEIVER IN
SURROUND SPEAKERS CENTER SPEAKERS
DC12V
20mA
IR
REPEATER
OUT
(6 --16
)(6 --16)
A
R
L
FRONT SPEAKERS
(6 --16
)
B
L
R
A
R
L
C
AC 120V 60Hz
SWITCHD TOTAL
90W 0.75A MAX
FM 75
ANTENNA
GND
AM
AC 110 --
120V
AC 220 --
240V
Side plate
(A50-1345-02)
Panel
(A60-1780-02)
Front glass
(B10-3571-02)
Indicator
(B12-0391-14)
Indicator
(B12-0392-04)
Knob
(K29-7728-03)
Phone jack
(E11-0190-05)
Knob(BUTTON)
(K27-2388-04)
Knob
(K29-7742-04)
Side plate
(A50-1344-02)
Cylindrical receptacle
(E56-0026-05)
Pin jack
(E63-1121-05)
Miniature
phone jack
(E11-0907-05)
Pin jack
(E63-1111-05)x2
Pin jack
(E63-1125-05)x2
Pin jack
(E63-1115-05)
Cylindrical receptacle
(E56-0030-05)x2
Screw terminal board
(E70-0118-05)
Slide switch *
(S31-3010-05)
AC outlet *
(E03-)
Panel *
(A29-)
Pin jack
(E63-1130-05)
Screw terminal board
(E70-0121-05)
Pin jack
(E63-1109-05)
Pin jack
(E63-1124-05)x2
Pin jack
(E63-1128-05)
Oscillating module
(W02-2717-05)
Optical receiving module
(W02-2716-05)
Optical receiving module
(W02-2716-05)
Pin jack
(E63-1120-05)
Miniature phone jack
(E11-0905-05)x6
Miniature
phone jack
(E11-0906-05)
70%
Lock terminal board
(E70-0080-05)
Miniature phone jack
(E11-0347-05)
Power cord bushing *
(J42-)
Pin jack
(E63-1111-05)
Pin jack
(E63-1113-05)
Pin jack
(E63-1123-05)
Cylindrical receptacle
(E56-0028-05)
Pin jack
(E63-1126-05)x3
Pin jack
(E63-1117-05)
Pin jack
(E63-1119-05)
Illust is KRF-V9993D.
* Refer to parts list on page 63.
AC power cord *
(E30-)
RF
REMOTE
CONTROL
UNIT
RC-R0910
2WAY
LCD
REMOTE
CONTROL
UNIT
+
-
+
-
12
3
45
6
78
9
10
11
12
+10
0
+100
/
/
Batteries
AM Loop Antenna
(T90-0852-05)
FM Antenna
(T90-0855-05)
Battery cover(A09-1166-08)
Battery cover(A09-1177-08)
Pen(W01-0976-08)
Remote control unit
(A70-1313-05): RC-R0912
(A70-1344-05): RC-R0910
ENTER
V
O
L
U
M
E
UP
DOWN
CONFIRM
ON/STANDBY
CONTRAST
REMOTE OFF
Remote control unit (PowerTouch)
(A70-1350-05): RC-R1011
(A70-1351-05): RC-R1010
AC
(E03-0115-05)
plug adaptor .............. (1)
Use to adapt the plug on
the power cord to the
shape of the wall outlet.
(Accessory
only
for
regions
where
use
is
necessary.)
KRF-V7773D/V7773D-B/V9993D
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS ............. 2
CONTROLS ................................................................3
DISASSEMBLY FOR REPAIR....................................4
CIRCUIT DESCRIPTION ............................................5
ADJUSTMENT ..........................................................15
WIRING DIAGRAM ...................................................16
PC BOARD .............................................................. 17
SCHEMATIC DIAGRAM .......................................... 30
EXPLODED VIEW ....................................................61
PARTS LIST..............................................................63
SPECIFICATIONS ....................................................65
Contents
Manufactured under license from Dolby Laboratories.
Dolby , Pro Logic , AC-3 , and the double-D symbol are
trademarks of Dolby Laboratories. Confidential Unpub-
lished Works. ' 1992-1997 Dolby Laboratories. All rights
reserved.
Manufactured under license from Digital Theater Sys-
tems, Inc. US Pat. No. 5,451,942 and other world-
wide patents issues and pending. DTS and DTS
Digital Surround are trademarks of Digital Theater
Systems, Inc. ' 1996 Digital Theater Systems, Inc.
All rights reserved.
, HDCD¤, High Definition Compatible Digital¤
and Pacific Microsonics
are either registered trade-
marks or trademarks of Pacific Microsonics, Inc. in
the United States and/or other countries. HDCD sys-
tem manufactured under license from Pacific Micro-
sonics, Inc. This product is covered by one or more
of the following: IN the USA: 5,479,168, 5,638,074,
5,640,161, 5,808,574, 5,838,274, 5,854,600,
5,864,311, 5,872,531, and in Australia: 669114. Other
patents pending.
TM
Accessories
Cautions
What's on Power Touch?
ENTER
V
O
LU
ME
UP
DOWN
MUTE
SYS.POWER
CONTRAST
BACKLIGHT
e
d i
t
m
o
v i e
m
u
s i c
s
o
u n
d
lis
te
n
mode
m
a
cr o
CONFIRM
1
2
3
4
5
6
7
8
10
9
1. Joystick
2. Confirm button
3. Mute button
4. Volume up/down button
5. Contrast button
6. On/Standby button
7. Backlight button
8. Quick Access menu
9. Touch screen display
10. Stylus (stored on top edge)
KRF-V7773D/V7773D-B/V9993D
3
CONTROLS
1. STANDBY indicator light
2. POWER ON/STANDBY key
(VR-4900/VR-4700)
ON STANDBY key
(KRF-V9993D)
3. POWER ON / OFF switch (KRF-V9993D)
4. PHONES jack
5. SPEAKERS A/B key
6. INPUT MODE key
7. CD 2/TAPE 2 MONITOR key
8. LISTEN MODE key
9. SET UP key
10. SOUND key
11. MULTI CONTROL (Up/Down) keys
12. P. CALL (Up/Down) keys
13. MEMORY key
14. AUTO key
15. BAND key
16. AV-AUX input jacks
17. DOOR OPEN/CLOSE key
18. VOLUME CONTROL knob
19. INPUT SELECTOR keys
20. Indicators
CLIP INDICATOR
PRO LOGIC
3 STEREO
21. Indicators
DTS / 96 k fs / HDCD
DOLBY DIGITAL / MPEG
D. R. I. V. E.
22. DISPLAY
23. 2-way communication indicator
24. Infrared remote sensor
25. Indicators
SPEAKER A/B
CD 2/TAPE 2 MONITOR
26. Infrared remote transmitter
Keys 5 to 15 are located behind the door.
Keys behind
the door
STANDBY
PHONES
DOLBY DIGITAL
DTS
MPEG
96k fs
D.R.I.V.E.
HDCD
¤ INPUT SELECTOR <
DOOR
OPEN/CLOSE
VOLUME CONTROL
DOWN
UP
AV - AUX
S VIDEO
VIDEO
L - AUDIO - R
A SPEAKERS B
INPUT
MODE
CD 2/TAPE 2
MONITOR
LISTEN
MODE
SET UP
SOUND
MULTI
CONTROL
fi%
P.CALL
MEMORY
AUTO
BAND
fi%
A SPEAKERS
CD 2 / TAPE 2
MONITOR
B
CLIP
INDICATOR
PRO LOGIC
3 STEREO
POWER
ON/STANDBY
-ON OFF
ON/STANDBY
POWER
1
3
4
5
6
8 10 11
12 13 15
16
17
18
19
20
21
22
23
24
25
14
7
9
2
2
KRF-V9993D
26
Standby mode
While the standby indicator of the unit is lit, a small amount of current is flowing into the unit's internal circuitry to back up the memory.
This condition is referred to as the standby mode of the unit. While the unit is in the standby mode, it can be turned ON from the remote
control unit.
What's on the Front Panel of Your Kenwood Audio-Video Receiver?
LCD Indicators
1. Playback/recording mode indicators
`Play indicator/ 8 :Pause indicator/ ¶
REC
:Record indicator/
7 :Stop indicator
2. Character display
Shows various information such as the input device name
and track number.
3. Current function of LCD function key 1
4. Current function of LCD function key 2
5. Communication indicators
:Sending.
:Receiving.
6.Battery indicator
"
"appears when the batteries are nearly exhausted.
In this case, replace all of the four batteries together.
To switch the menu:
The menu can be switched over or selected while LCD function key 1 and/or 2 are displayed.
(Examples:Home,Back,Menu,Enter,etc.)
2WAY LCD REMOTE CONTROL UNIT
REC
3
4
5
1
2
6
What's on Remot Control unit?
Remote control
2WAY LCD REMOTE CONTROL UNIT
MUSIC
MOVIE
TV
CONFIRM/SHIFT
AV POWER
SYS.POWER
TITLE/GUIDE
MENU
MACRO
F.SHIFT
+
-
+
-
REC
REC MODE
LEARN
SOUND
TUNING
BAND
LISTEN M.
INPUT MODE
STATUS
DIMMER
SUB W.
MUTE
ENTER
AUTO/MONO
REPEAT
RANDOM
INPUT SEL.
TV SELECT
DISPLAY
SELECT
AUDIO
THEME
FAVORITE
INFO.
EXIT
LAST CHANNEL
REMOTE CONTROL UNIT
CH.
CH.
VOL.
VOL.
RETURN
/PAGE
OSD
/PAGE
1
2
3
4
5
6
7
9
8
11
10
13
14
12
15
18
20
22
24
16
17
19
21
23
25
1. LCD indicators
2. LCD function key 2
3. LCD function key 1
4. CONFIRM/SHIFT key
5. MACRO key
6. AV.POWER key (AV device Power key)
7. AV device control keys
£ : Play
4 , ¢ : Skip
8 : Pause
7 : Stop
8. CH.(+/-)key (AV device control keys)
9. SOUND (INPUT MODE) key
10. LISTEN M.(DIMMER) key
11. TITLE/GUIDE key (AV device control key)
12.
5Cursor up (8 PAUSE)key
Cursor down (AUTO/MONO,
7 STOP) key
left,right (TUNING)keys
ENTER (BAND)(Play)key
13. RETURN/PAGE key (AV device control key)
14. REC (Recording)(REC MODE) key5
15. Numeric keys (AV device control keys)
16. LCD cursor up/down keys
17. Input selector keys
MUSIC: Audio device selector key
MOVIE: Video device selector key
TV: TV/video monitor selector key
18. SYS.POWER (Receiver power)key
19. VOL.(+/-)keys
20. MUTE key
21. SUB W.(STATUS)key
22. MENU key (AV device control keys)
23. OSD/PAGE
5 key (AV device control key)
24. LEARN key
25. F.SHIFT (Backlight)key
How to operate the F.SHIFT key:
In addition to the functions marked on the remote control keys,those marked in blue characters above the keys can be used.
To use these functions,press the F.SHIFT key then press the desired key within 8 seconds. (Example)To use the REPEAT
function,press the F.SHIFT key then press key 1 (REPEAT).
KRF-V7773D/V7773D-B/V9993D
4
DISASSEMBLY FOR REPAIR
1 x70
X07
(C/7)
CN2
X25
(C/9)
X05-5130-11
X07
X13
(C/5)
CN12
CN21
4
5
7
7
8
3
3
2
2
2
2
2
2
9
6
6
7
x9
x2
2
x2
x2
X07-3150-10
(A/5)
X25
(B/9)
X11
(C/4)
10 x3
10
10
11
10
10
10
CN14
CN6
x2
x5
x5
7
4
4
1
1
1
3
2
6
x5
5
5
HOOK
X11
(A/4)
CN301
CN7
CN8
X13
X07,CN1
MOTOR
AC CONNECTOR
H/P
PCB
X25
(G/8)
1. Take out the connectors (
1) {X07,CN1/X13(CN7,CN8)} and
the AC connetor(
2).
2. Take the lead (
3) out of CN301 on X11(A/4) PCB.
3. Take out the screws (
4) and (5).
4. The front panel can be separated by removing 2 hooks (
6)
on the sub panel.
5. To separate the motor from the front panel, remove the
screws (
7).
1. The rear panel can be separated by removing screws (
1)
on the rear panel.
2. Take the AC connector out of CN2 on the X07(C/7).
3. To separate the chassis from bottom chassis, remove the
screws (
2).
4. Remove CN21 and screws (
3) on X13(C/5).
5. Remove screws (
4 to 7).
6. The fan motor can be separated by removing screws (
8)
and the connector (CN12) on X07 PCB.
7. Take the PCB X25(B/9), X11(C/4)} out of X07.
8. To separate the main PCB (X07) from the bottom chassis,
remove screws (
0).
9. Set up the PCB as figure (
-).
10. Replace the defective transistors.
HOW TO REPLACE THE POWER TRANSISTOR.
HOW TO REMOVE THE FRONT PANEL AND THE MOTOR.
KRF-V7773D/V7773D-B/V9993D
5
CIRCUIT DESCRIPTION
0 : Pull down,1:Pull up
SET TYPE
TYPE
BAND
RECEIVING
FREQUENCY RANGE
CHANNEL
SPACE
IF
PLL
DIODE SW(X13)
DSW3
(R282,R285)
DSW2
(R292,R279)
DSW1
(R296,R284)
DSW0
(R297,R288)
K, P, R
K1
1700
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
0
0
AM
530kHz-1700kHz
10kHz
+450kHz
10kHz
Y, M, I,
C, V
K2
1610
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
1
1
AM
530kHz-1610kHz
10kHz
+450kHz
10kHz
Y
K3
1610
RBDS
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
1
0
AM
530kHz-1610kHz
10kHz
+450kHz
10kHz
K, P
K4
1700
RBDS
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
10
1
0
AM
530kHz-1700kHz
10kHz
+450kHz
10kHz
Y, M, I,
C, V,
E, X, H
E1
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
00
0
1
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
T
E2
LW
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
0
0
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
E, T
E3
RDS
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
0
1
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
T
E4
LW
RDS
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
1
0
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
Q
Q1
RDS
FM L
65.0MHz-74.0MHz
10kHz
+10.7MHz
5kHz
10
1
1
FM H
87.5MHz-108.0MHz
50kHz
+10.7MHz
5kHz
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
Q
Q2
RDS
FM L
65.0MHz-74.0MHz
10kHz
+10.7MHz
5kHz
11
0
0
FM H
87.5MHz-108.0MHz
50kHz
+10.7MHz
5kHz
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
Y, M, I,
C, V
M
K2/E1 are switched by DSW1.
(DSW1 = 1:K2type, 0: E1 type)
00
X
1
Y
Y
RBDS
K3/E1 are switched by DSW0.
(DSW0
= 0:K3type, 1: E1type)
X0
0
1
X
DIODE SW(DSWx)
0 = NO DIOE( 1 = WITH DIODE
X = TRANSISTOR SW(0=OFF/1=ON)
1. Initialization
1-1 The Initial Setting
· Insert the power cord to AC wall outlet by pressing the
"POWER" key.
1-2 The Initial Condition
· Power On/Off
: Off
· Volume Level
: -66dB
· Audio Input Selector
: TUNER
· Video Signal Input Selector
: VIDEO1
· Remote Control Sensor
: Data Front In
· Speaker A
: On
· Speaker B
: Off
· CD2/TAPE2 MONITOR
: Off(TAPE MODE)
· Tone
: Off
· Loudness
: Off
· Display Mode
: DEVICE+DGTL/ANLG
· Digital Rec Mode
: Off
· Dimmer
: Dimmer 1
· Input Mode
: DGTL/ANLG-AUTO
· Digital Rec Mode
: Off
· HDCD/DRIVE
: HDCD/DRIVE AUTO
· Surround Mode
: Stereo
· Room Size
: Medium
· Wall Type
: Medium
· Effect Level
: 3
· Midnight Mode
: Off
· Distance
: FL/FR
:10ft
: C
:10ft
: RS/LS
: 5ft
: SW
:10ft
· Front Speaker
: Large
· Center Speaker
: Normal
· Surround Speaker
: Normal
· Subwoofer
: On
· SW Re-Mix
: OFF
· Input Level
: 0dB
· Each Speaker Level
: 0dB
· Tone Bass
: 0
· Tone Treble
: 0
· Tuning Mode
: Auto
· Preset Memory
: Test frequency
· Last Band
: FM
· FM Last Frequency
: 87.5MHz (OTHER THAN)
: 76.0MHz (J)
· AM Last Frequency
: 531kHz (CH.SP 9kHz)
: 530kHz (CH.SP 10kHz)
· Last P.ch
: --ch
2. Destination List of Tuner