How it Works
Kenwood
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KRFX-9050
Service manual
38 pgs5.52 Mb0
Service Manual
1 pgs10.54 Kb0
Table of contents
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Kenwood KRFV-5050, KRFV-5550, KRFV-6050, KRFV-7050, KRFX-9050 Service manual

70%
AUDIO VIDEO SURROUND RECEIVER
A SPEAKERS B
STANDBY
POWER
LISTEN MODE
SOUND
SOURCE DIRECT
AUTO/CINEMA EQBAND MEMORY
INPUT SELECTOR
VOLUME CONTROL
UPDOWN
PROLOGIC 3 STEREO CS5.1
DOLBY DIGITAL
DTS
INPUT MODESET UP
S VIDEO V L – AUDIO – R
AV AUX
DIMMER MONITOR
PHONES
ON/STANDBY
ON OFF
GREEN
ORANGE
GRAY
SURROUND SPEAKERS
FRONT SPEAKERSCENTER SPEAKER
BLUE
FRONT SPEAKERS
(8 ~ 16 )
RED
DVD
VIDEO 1 VIDEO 2
VIDEO 3
AC OUTLETS
50/60Hz
AC110-120V/220-240V
SWITCHED
TOTAL 90W MAX.
CD/DVD OPTICAL
VIDEO3 OPTICAL
DIGITAL IN
VIDEO 2 COAXIAL
CENTER
R
A
LC
LR
LR
B
GND
PLAY IN PLAY IN PLAY IN
VIDEO 1 VIDEO 2 VIDEO 3
SUB WOOFER PRE OUT
REC OUTPLAY IN
MONITOR
REC OUTPLAY INREC OUT
MD / TAPE
CD / DVDPHONO
AUDIO
PLAY IN PLAY IN PLAY INREC OUTPLAY IN
MONITOR
OUT
S VIDEO
VIDEO 1
DVD
R
L
SYSTEM
CONTROL
VIDEO 2 IN
VIDEO 1 IN VIDEO 3 IN
CD/DVD
DVD
MONITOR OUT
VIDEO 1
OUT
GND
ANTENNA
AM
DVD / 6CH. INPUT
SUB
WOOFER
FRONT
SURROUND
75 s AM 10kHz FM 100kHz
50 s AM 9kHz FM 50kHz
DE­EMPHASIS CHANNEL SPACE
(8 ~ 16 ) (8 ~ 16 )
(8 ~ 16 )
FM
75
AC 220­240V~
AC 110­120V~
KRF-V5050D/V5050DE/V5050D-S/V5550D-S/
KRF-V6050D/V6050D-S/V7050D/V7050D-S/ KRF-X9050D/X9050D-S
SERVICE MANUAL
Knob * (K29-)
Phone jack (E11-0272-05)
Knob(BUTTON) * (K27-)
Knob * (K29-)
Front glass * (B10-)
Knob * (K29-)
Knob * (K29-)
Knob * (K29-)
© 2001-2/B51-5702-00 (K/K) 2148
Knob * (K29-)
Pin jack (E63-1172-05)
Cylindrical receptacle (E56-0033-05)
Panel * (A60-)
Miniature phone jack (E11-0293-05)
Pin jack (E63-0127-05)
Slide switch (S62-0034-05)
Pin jack (E63-1139-05)
Illustration is KRF-V7050D(M).
* Refer to parts list on page 35.
Pin jack x2 (E63-1143-05)
Pin jack (E63-1080-05)
Optical receiving module (W02-2802-05)
Cylindrical receptacle x2 (E56-0011-05)
Pin jack (E63-1144-05)
Pin jack (E63-1146-05)
Metallic cabinet * (A01-)
Screw terminal board * (E70-)
Lock terminal board (E70-0128-05)
AC outlet * (E03-)
Slide switch (S62-0001-05)
AC power cord bushing (J42-0083-05)
AC power cord * (E30-)
FM indoor antenna (1) (T90-0877-05)
AM loop antenna (1) (T90-0852-05)
Remote control unit (1)
*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.)
Batteries (R6/AA)
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factors. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating
condition.
With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER key.
• Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left
MODEL Destinations
Remote controller
Parts number Model name Battery cover
KRF-V5050D Y A70-1468-15 RC-R0511 A09-1178-08
KRF-V5050D-S MIX A70-1468-15 RC-R0511 A09-1178-08
KRF-V5050D ET A70-1469-05 RC-R0512 A09-1178-08
KRF-V5050DE E3 A70-1469-05 RC-R0512 A09-1178-08
KRF-V5050D-S E2T2 A70-1469-05 RC-R0512 A09-1178-08
KRF-V5550D-S MY A70-1507-05 RC-R0617 A09-1178-08
KRF-V6050D Y A70-1466-15 RC-R0615 A09-1178-08
KRF-V6050D-S MIX A70-1466-15 RC-R0615 A09-1178-08
KRF-V6050D E A70-1467-05 RC-R0616 A09-1178-08
KRF-V7050D Y A70-1464-15 RC-R0613 A09-1178-08
KRF-V7050D-S MIX A70-1464-15 RC-R0613 A09-1178-08
KRF-V7050D
A70-1465-05 RC-R0614 A09-1178-08
KRF-X9050D Y A70-1480-05 RC-R0714 A09-1215-08
KRF-X9050D-S MIX A70-1480-05 RC-R0714 A09-1215-08
KRF-X9050D ET A70-1481-05 RC-R0715 A09-1215-08

CONTENTS / ACCESSORIES

Contents

CONTENTS / ACCESSORIES .................................. 2
WIRING DIAGRAM .....................................................3
PC BOARD ................................................................ 9
SCHEMATIC DIAGRAM .......................................... 15

Accessories

EXPLODED VIEW ....................................................34
PARTS LIST..............................................................35
SPECIFICATIONS ....................................................48

Mdel name vs remote controller

Cautions

2
ET
J4
SPEAKER A
Cch
Lch
Rch
Lch
SRch
SLch
SURROUND
Rch
SPEAKER B
J5
SLch
SRch
SURROUNDJ9
J6
SLch
SWch
SRch
SURROUND
SWch
J7
AC POWER CORD
CN2
MD/TAPE PLAY
REC
MD/TAPE
CD
PHONO
J1
VIDEO1 IN
VIDEO1 OUT
PLAY
MONITOR
MONITOR REC
J2
IN
VIDEO2
J10
IN
VIDEO3
J3
J200
SYNC
CONTROL
SYSTEM
VIDEO3 IN
VIDEO1 IN
MONITOR A OUT
VIDEO1 OUT
VIDEO2 IN
COMPOSITE
DVD IN
VIDEO
J201
J202
MONITOR B OUT
J203
J204
VIDEO1 IN
DVD IN
VIDEO1 OUT
VIDEO2 IN
MONITOR A OUT
CN203
CN7
E3
E4
TRANSFORMER
WH4
CN205
CN6
CN4
E2
E1
WH1
WH2
WH3
SWch
Cch
INPUT
RSch
DVD 6ch
LSch
Rch
Lch
J2
COAX. INPUT
VIDEO 2
DVD
J1
VIDEO 3
OPT. INPUT
A2
CD/DVD
A1
OPT. OUTPUT
A3
CN1
CN5
CN202
CN3
CN5
CN2 CN100
SURR. L
SUBWOOFER
CENTER
SURR. R
PRE OUT
6ch
FRONT R
FRONT L
J100
CN204 CN1
CN201
CN1
OUT
REC
PLAY IN
DVD
MONITOR OUT
J1
VIDEO3 PLAY IN
VIDEO1
VIDEO2 PLAY IN
PLAY IN
J2
Cr OUT
Y OUT
Cb OUT
J12
VIDEO3
Cb
Cr
DVD
VIDEO3
DVD
Y
VIDEO3
DVD
J11
E100
WH3
E200
AUX SVID.J3
AUX R
AUX COMP.
AUX LJ2
WH4
CN206
CN3
GND
AM
FM75
E3 E2
WH2
HEADPHONE
J1
CN101
CN100
J8
PLAY IN
VIDEO1
OUT
REC
PLAY IN
J404
DVD
OUT
MONITOR
J403
CN401
F1
CN2
WH1
VIDEO3 PLAY IN
OUT
VIDEO2 PLAY IN
PLAY IN
VIDEO1
J402
REC OUT
DVD PLAY IN
J401
MONITOR
VIDEO2 IN
DVD IN
F2
J8
WH1
WH5
S1
CN1
F3
CN3
WH100
WH6
KRF-X9050D-S (X07-329X-XX)
KRF-X9050D (X07-329X-XX)
KRF-V7050D-S (X07-3300-XX)
KRF-V7050D (X07-330X-XX)
KRF-V6050D (X07-330X-XX)
KRF-V6050D-S (X07-3300-XX)
KRF-V5050D (X07-330X-XX)
KRF-V5050D-S (X07-331X-XX) KRF-V5050DE (X07-3312-71)
KRF-V5550D-S (X07-333X-XX)
KRF-V5050D (X08-3060-11)
KRF-V5050DE (X08-3060-11)
KRF-V5050D-S (X08-3060-11)
KRF-V6050D (X08-3060-11) KRF-V6050D-S (X08-3060-11)
KRF-V7050D (X08-3060-12) KRF-V7050D-S (X08-3060-12)
KRF-V5550D-S (X08-3060-10)
KRF-X9050D (X08-3060-14) KRF-X9050D-S (X08-3060-14)
KRF-X9050D-S (X14-7260-XX)KRF-X9050D (X14-726X-XX)
KRF-V5550D-S (X14-725X-XX)
KRF-V7050D-S (X14-7260-XX)KRF-V7050D (X14-726X-XX)
KRF-V6050D-S (X14-7250-XX)KRF-V6050D (X14-725X-XX)
KRF-V5050D-S (X14-725X-XX)
KRF-V5050DE (X14-7252-71)KRF-V5050D (X14-7XXX-XX)
KRF-X9050D-S (X35-2252-71)
KRF-X9050D (X35-2252-71)
1 2
191
119
117
17 1 12
2
1
33
11
1515
11
12
23
1
1
23
1
29
29
1
1
2
919
1
21
1
21
1
119
19 1
1
15
15 1
71
7
1
1
3
1
3
3
1
15
1
1
15
WW
F1
T1
119
3
1
F2
31
1
5
F3
T3.15A L 250V
240V
120V
13
12
21
: AC240V~ 50Hz : AC230V~ 50Hz
(X)
(T,E)
: AC110-120V/220-240V~
50/60Hz
(Y,M,I)
CN3CN2
MALASIA
GENERAL MARKET M
I
0-21
COUNTRY
DESTINATION
ABB.
UNIT No.
EUROPE E
2-71
AUSTRALIA X
0-51
U.K.
T
0-71
COUNTRY
ABB.
PX
2-91
Y
DESTINATION
UNIT No.
ABB.
COUNTRY
AUSTRALIA
MALASIA
GENERAL MARKETXM
I
0-71
0-21
UNIT No.
DESTINATION
UNIT No.
DESTINATION
COUNTRY
Y
E
T
ABB.
2-91
0-51
U.K.
EUROPE
PX
2-71
UNIT No.
EUROPE
COUNTRY
DESTINATION
PX Y
E
ABB.
2-92
2-72
UNIT No.
DESTINATION
COUNTRY
ABB.
0-72
0-22
AUSTRALIA
GENERAL MARKET
MALASIAXI
M
0-51 2-71
UNIT No.
DESTINATION
COUNTRY
ABB.
2-91
EUROPE
PX
U.K.
T E Y
2-71
UNIT No.
DESTINATION
COUNTRY
EUROPE
ABB.
E2
0-51
0-21
U.K.
T2
0-71
AUSTRALIA X
GENERAL MARKET
MALASIAMI
UNIT No.
COUNTRY
DESTINATION
EUROPE
ABB.
E3
2-71
UNIT No.
COUNTRY
DESTINATION
ABB.
0-21
GENERAL MARKET M
PX
2-91
Y
UNITDESTINATION
0-11
No.
COUNTRY
ABB.
PX
Y
EUROPE E2
T2
U.K.
0-11
No.
UNIT
EUROPE
E3
DESTINATION
COUNTRY
ABB.
COUNTRY
DESTINATION
EUROPE E
ABB.
UNIT
No.
U.K.
T
M
GENERAL MARKET
X
AUSTRALIA
IMALAYSIA
0-11
DESTINATION
COUNTRY
UNIT
ABB.
No.
PX
Y
EEUROPE
0-11
COUNTRY
DESTINATION
0-11
ABB.
No.
UNIT
GENERAL MARKET
AUSTRALIA MALAYSIA
M X
I
DESTINATION
COUNTRY
0-12
ABB.
No.
UNIT
PX
Y
EUROPE E
U.K.
T
COUNTRY
DESTINATION
No.
ABB.
0-12
UNIT
GENERAL MARKET
AUSTRALIA MALAYSIA
M X
I
COUNTRY
DESTINATION UNIT
ABB.
No.
0-10
M
GENERAL MARKET
COUNTRY
DESTINATION UNIT
0-14
ABB.
No.
PX
EUROPE
U.K.
T
E
Y
DESTINATION
COUNTRY
0-14
ABB.
No.
UNIT
I
X
M
GENERAL MARKET
AUSTRALIA MALAYSIA
PX Y
MALAYSIA AUSTRALIA
GENERAL MARKET
COUNTRY
DESTINATION
U.K.
EUROPE
PX
DESTINATION
COUNTRY
GENERAL MARKET
DESTINATION
COUNTRY
MALAYSIA AUSTRALIA
GENERAL MARKET
DESTINATION
COUNTRY
U.K.
EUROPE
PX
COUNTRY
DESTINATION
E
2-92
No.
ABB.
I
M
X
0-22
UNIT
T
ABB.
Y
No.
UNIT
UNIT
ABB.
M
0-23
No.
X
0-21
I
ABB.
M
No.
UNITUNIT
T
E
2-91
ABB.
Y
No.
MALAYSIA AUSTRALIA
GENERAL MARKET
DESTINATION
COUNTRY
EUROPE
PX
COUNTRY
DESTINATION
MALAYSIA
GENERAL MARKET
U.K.
EUROPE
DESTINATION
COUNTRY
COUNTRY
DESTINATION
EUROPE
U.K.
EUROPE
PX
COUNTRY
DESTINATION
X
0-22
I
UNIT
ABB.
M
No.
Y
2-91
E
2-72
ABB.
No.
UNIT
T2
E2
I
0-21
ABB.
M
No.
UNIT
E3
ABB.
UNIT
No.
T
ABB.
No.
E
Y
362-90
UNIT
2-71
2-71
252-71
0-72
2-71
0-71
2-72
0-72
EEUROPE
MALAYSIA
AUSTRALIA
X
I
DESTINATION
COUNTRY
GENERAL MARKET
ABB.
M
UNIT
No.
T
U.K.
COUNTRY
DESTINATION
ABB.
Y
PX
UNIT
No.
2-71
2-71
AUSTRALIA X
0-71
PX Y
2-92
(X07) (B/4)
POWER AMPLIFIER UNIT
(X14-7XXX-XX) (A/8)
(X14- ) (F/8)
(X14- ) (D/8)
(X14- ) (C/8)
(X08-30XX-XX)
(X35-2252-71)
(W02-277X)
(X14) (E/8)
(X14) (B/8)
(X07-3XXX-XX) (A/4)
u-COM UNIT
SURROUND UNIT
VIDEO UNIT
DISPLAY UNIT
HEADPHONE UNIT
TUNER UNIT
(X14) (H/8)
KRF-V7050D/D-S USED ONLY
KRF-X9050D/D-S USED ONLY
KRF-V5550D-S
USED ONLY
KRF-X9050D/D-S USED ONLY
KRF-V7050D/D-S
USED ONLY
USED ONLY
KRF-X9050D/D-S
EXCEPT USED KRF-V5550D-S
USED ONLY
KRF-X9050D/D-S
X9050D/D-S USED ONLY
USED ONLY
V7050D/D-S
USED ONLY
V6050D/D-S
V7050D/D-S
USED ONLY
KRF-V5050D/D-S/DE
KRF-V5550D-S
USED ONLY
V5050D/D-S/DE
USED ONLY
V6050D/D-S
V5050D/D-S/DE
EXCEPT USED
KRF-X9050D/D-S
USED ONLY
KRF-V6050D/D-S
KRF-V5550D-S USED ONLY
KRF-X9050D/D-S
X9050D/D-S
V6050D/D-S, V5050D/D-S/DE
KRF-V5550D-S
USED ONLY
KRF-V6050D/D-S,V7050D/D-S
KRF-V5550D-S/V5050D/D-S/DE
EXCEPT USED
EXCEPT USED KRF-V5550D-S V5050D/D-S/DE
KRF-X9050D/D-S
KRF-V7050D/D-S
KRF-V7050D/D-S
(E)TYPE ONLY
(X07) (C/4)
(X00-3000-20)
(X07)(D/4)
EXCEPT (M,Y,I)TYPE
USED (M,Y,I)TYPE
(X14) (G/8)
KRF-V7050D/D-S
KRF-V5050D/D-S/DE KRF-V6050D/D-S
KRF-V5550D-S
3

WIRING DIAGRAM

KRF-V5050D/V5550D/V6050D/V7050D/X9050D
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
0 : Pull down,1:Pull up
SET TYPE
TYPE
BAND
RECEIVING
FREQUENCY RANGE
CHANNEL
SPACE
IF PLL
Tuner Destination Port
PORT3(68PIN)
(CP205)
PORT2(67PIN)
(W109)
PORT1(66PIN)
(W105)
PORT0(65PIN)
(W106)
K, P, R
K1
1700
FM 87.5MHz-108.0MHz 100kHz +10.7MHz 25kHz
0000
AM 530kHz-1700kHz 10kHz
Y, M, I,
C, V
K2
1610
FM 87.5MHz-108.0MHz 100kHz +10.7MHz 25kHz
0001
AM 530kHz-1610kHz 10kHz
Y
K3 1610 RBDS
FM 87.5MHz-108.0MHz 100kHz +10.7MHz 25kHz
0010
AM 530kHz-1610kHz 10kHz +450kHz 10kHz
K, P
K4 1700 RBDS
FM 87.5MHz-108.0MHz 100kHz +10.7MHz 25kHz
1010
AM 530kHz-1700kHz 10kHz +450kHz 10kHz
Y, M, I, C, V, E, X, H
E1
FM 87.5MHz-108.0MHz 50kHz +10.7MHz 25kHz
0011
AM 531kHz-1602kHz 9kHz
T
E2
LW
FM 87.5MHz-108.0MHz 50kHz +10.7MHz 25kHz
0100
MW 531kHz-1602kHz 9kHz
LW 153kHz-279kHz 9kHz
E, T
E3
RDS
FM 87.5MHz-108.0MHz 50kHz +10.7MHz 25kHz
0101
AM 531kHz-1602kHz 9kHz
T
E4
LW
RDS
FM 87.5MHz-108.0MHz 50kHz +10.7MHz 25kHz
0110
MW 531kHz-1602kHz 9kHz
LW 153kHz-279kHz 9kHz
Q
Q1
RDS
65.0MHz-74.0MHz 10kHz +10.7MHz 5kHz
1011
87.5MHz-108.0MHz 50kHz
AM 531kHz-1602kHz 9kHz
Q
Q2
RDS
65.0MHz-74.0MHz 10kHz +10.7MHz 5kHz
1100
87.5MHz-108.0MHz 50kHz
MW 531kHz-1602kHz 9kHz
LW 153kHz-279kHz 9kHz
Y, M, I,
C, V
M
K2/E1 are decided by Tuner Destination Port 1 input.
(0=K2 type 1=E1 type)
00 X1
Y
Y
RBDS
K3/E1 are decided by Tuner Destination Port 0 input.
(0=K3 type 1=E1 type)
001X

CIRCUIT DESCRIPTION

1. Initial and Backup Function

1-1 Initial State

Below are set value if the microcomputer is initialized when reset: (1) AMP function initialization
• POWER POWER OFF (STANDBY)
• Input Selector TUNER
• Preset device None
• Visual output VIDEO1
• Speaker A relay ON
• Speaker B relay OFF
• Volume -66dB
• BASS 0dB
• TREBLE 0dB
• INPUT LEVEL 0dB
• SOURCE DIRECT 0dB
• MONITOR 0dB
• VIDEO2/MONITOR VIDEO2
• MD/TAPE TAPE
• RF BAND BAND 1
(2) SURROUND function initialization
• LISTEN MODE STEREO
• INPUT MODE CD/DVD DIGITAL AUTO VIDEO2 ANALOG VIDEO3 ANALOG DVD/6ch DIGITAL AUTO
• SUBWOOFER ON
• FRONT speaker size LARGE
• CENTER speaker size NORMAL
• SURROUND speaker size NORMAL
• DISTANCE Fch 3.0m / 10ft Cch 3.0m / 10ft Sch 1.5m / 5ft
• LEFT level 0dB
• RIGHT level 0dB
• CENTER level 0dB
• REAR (SL,SR) level 0dB
• SUBWOOFER level 0dB
• MIDNIGHT OFF
• CINEMA EQ OFF
(3) TUNER function initialization
• BAND FM
• PRESET CHANNEL "--"
• Frequency receive Each destination
minimum value
K1/K2 FM : 87.50 MHz
AM : 530 kHz
E1 FM : 87.50 MHz
AM : 531 kHz
• AUTO MANUAL AUTO

1-2 Backup Function

When the AC power supply is turned off, the receiver micro­computer enters the backup mode. As a result, it will return to the last state before the AC OFF when the AC power sup­ply is turned ON again
4

2. Destination List of Tuner

FM L
FM H
FM L
FM H
+450kHz 10kHz
+450kHz 10kHz
+450kHz 9kHz
+450kHz 9kHz
+450kHz 9kHz
+450kHz 9kHz
+450kHz 9kHz
+450kHz 9kHz
+10.7MHz 5kHz
+450kHz 9kHz
+10.7MHz 5kHz
+450kHz 9kHz
+450kHz 9kHz
X14,ED2
FL
X05,IC2(PLL) X14
11-MT-125GK
X07,IC8/11 RF-RC DEMODULATOR UNIT REMOCON KEY GET
NJU7313AL LV2105V REMOCON1 STANDBY(S1) X14
SEL.DT,SEL.CLK,SEL.ST1, RFRCV.CS,RFRCV.DATA, REMOCON2
BAND(S13)
LED
SEL.ST2
RFRCV.CLK
IR.SW
X14 FL DRIVER DTS.LED,
VR-509/510 only
UPD16311 DOL.DIG.LED,CS.LED,
X08,IC51
Din,Dout,STB,CLK THX.LED
CS493263
DSP.LED
DSP1 DSP.INTREQ,DSP.CDIN, X14
DSP.CDOUT,DSP.CCLK,
LED X14
DSP.CS,DSP.PD
STANDBY.LED(D1) KEY GET X08,IC61 MAIN KEY ( KRF-X9050D/VR-510 only)
CS493302 RELAY
DSP2 DSP.INTREQ,DSP.CDIN, POWER.RLY,SPA.RLY,SPB.RLY,
DSP.CDOUT,DSP.CCLK,
MN101C49GLD
CENTER.RLY,SURR.RLY, DSP.CS,DSP.PD
(KRF-X9050D/VR-510 only)
LIMITER,PACK.CONT
MN101C49GLE(others)
X08,IC2 X14
AK4527B ENCODER
CODEC.CDIN,CODEC.CDOUT, VOL.ENC.A,VOL.ENC.B,(S15) CODEC.CCLK,CODEC.CS,
SEL.ENC.A,SEL.ENC.B(S14) CODEC.PD,CODEC.CLIP
X200
MULTI.ENC.A,MULTI.ENC.B(S16)
X14,IC401
403 X08,IC5 OSC VIDEO IC DIGITAL AUDIO RECEIVER
8.38MHz
VIDEO.CTRLA,VIDEO.CTRLB
AK4112AVF
VIDEO.CTRLC,VIDEO.CTRLD
DIR.CDIN,DIR.CDOUT,DIR.CCLK,
COMPONENT1,CONPONENT2
DIR.PD,DIR.ERR,DIR.AUTO
DESTINATION
TUNER DEST
PROTECTION
MODEL TYPE
THERMAL.SENS,PROTECTION1,
MUTE
PROTECTION2
A.MUTE,/PRE.OUT.MUTE T.MUTE,/20dB.ATT,/V.MUTE
X14,IC100 TUNER PACK TUNER PACK
BU1923 TUNER LC72131
X14,J200
RDS.CLK,RDS.DATA SD,/STEREO,CH.SPACE PLL.DO,PLL.DT,PLL.CK,
SERIAL RDS DEMODULATOR
S.LEVEL PLL.CE
S.DATA,S.BUSY
(T/E type only) X08,IC15 SOUND CONTROLLER
M62446FP
VOL.DT,VOL.CLK,VOL.ST

3. Microprocessor: MN101C49GLE or MN101C49GLD(X14,IC200)

3-1 Microprocessor Periphery block diagram

CIRCUIT DESCRIPTION
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
5
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
CIRCUIT DESCRIPTION

3-2 Pin Description of Microprocessor

Pin No. Pin Name I/O Description
1 VREF - Connected to ground.
2 TH SENS I Protection signal detection port for thermal sensor.
3 PROT1 I Protection signal detection port for over current.
4 PROT2 I Protection signal detection port for over voltage.
5 S LEVEL - Detection port of RDS signal level.
6 KEY GET I A/D key input for band and standby.
7 CE2 I Detection port of chip enable 2 for microprocessor.
8 CE1 I Detection port of chip enable 1 for microprocessor.
9 DIG DET I Detection port of digital signal for DTS.
10 VREF - A/D reference voltage.
11 VDD - Power supply(+5v) for microprocessor.
12 OSC2 O Main clock output(8.38MHz).
13 OSC1 I Main clock input(8.38MHz).
14 VSS - Connected to ground.
15 XI - Connected to ground.
16 XO - Unused.
17 MMCD - Connected to ground.
18 DIR/CODEC DIN O Data output to DIR/CODEC.
19 DIR/CODEC DOUT I Data input port from DIR/CODEC.
20 DIR/CODEC CLK O Clock output to DIR/CODEC.
21 DSP DIN O Data output port to DSP.
22 DSP DOUT I Data input port from DSP.
23 DSP CLK O Clock output port to DSP.
24 DSP CE1 O Chip enable 1 output to DSP.
25 DSP CE2 O Chip enable 2 output to DSP.
26 REM I I Remote control signal input 1(Front panel).
27 REM 0 I Remote control signal input 1(Rear panel).
28 DIR ERR I Detection port for DIR ERROR signal.
29 RDS CLK I Clock input of RDS demodulator IC.
30 DPS IRQ1 I Detection port 1for DSP INTREQ.
31 DPS IRQ2 I Detection port 2 for DSP INTREQ.
32 NC - Unused.
33 RESET I Reset signal input for microprocessor.
34 DSP PD1 O PD output port 1for DSP.
35 DSP PD2 O PD output port 2 for DSP.
36 DIR PD O Power down mode port for DIR.
37 CODEC PD O Power down mode port for CDDEC.
38 CODEC CLIP I Overflow detection port for CODEC analog signal.
39 CODEC CE O Chip select for CODEC.
40 RDS DIN I Data input of RDS demodulator IC.
41 NC - Unused.
42 FL DIN O Data output to FL driver.
43 FL DOUT I Data input from FL driver.
44 FL CLK O Clock output to FL driver.
45 FL CE O CE output to FL driver.
6
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
CIRCUIT DESCRIPTION
n No. Pin Name I/O Description
Pi
46 TUNER DIN O Data output to PLL IC.
47 TUNER CLK O Clock output to PLL IC.
48 TUNER CE O Chip enable output to PLL IC.
49 TUNER DOUT I Data input from PLL IC.
50 TUNER MUTE O Mute signal output to PLL IC.
51 TUNER STEREO I Stereo signal input from PLL IC.
52 TUNER SD I SD signal input from PLL IC.
53 RFRCV CE O Chip select output to RF remote control receiving IC.
54 RFRCV DIN O Data output to RF remote control receiving IC.
55 RFRCV CLK O Clock output to RF remote control receiving IC.
56 S BUSY I/O Serial busy signal input/output.
57 S DATA I/O Serial data signal input/output.
58 LIMITER O Power control for A class.
59 IR SW O Switching port of remote control signal.
60 DIR AUTO I Non PCM detect port.
61~63 MODEL T0~T3 I Discrimination port for model type.
64 CH SPACE I Discrimination port for channel space.
65~68 TUNER DO~D3 I Discrimination port(D0~D3) for tuner destination.
69 MULTI CW I Encoder (Multi control) upward detection.
70 MULTI CCW I Encoder (Multi control) downward detection.
71 SEL CW I Encoder (Selector))clockwise detection.
72 SEL CCW I Encoder (Selector)) counterclockwise detection.
73 VOL. CW I Encoder (Vol.)clockwise detection.
74 VOL.CCW I Encoder (Vol.) counterclockwise detection.
75 SP. A RLY O Relay control for A speaker.
76 CNT/SUB W RELAY O Relay control for center and sub speakers.
77 SP. B RLY O Relay control for B speaker.
78 SUB W - Unused.
79 SURR.RLY O Relay control for surround speaker.
80 PWR RLY O Control port of power relay.
81 PACK CONT. O Power pack control.
82 STANDBY RLY O Standby relay control.
83 SURR.MUTE I Mute control for surround.
84 20dB ATT. O 20dB attenuater control.
85 A. MUTE O Audio mute control.
86 COMP 1 O Video component switch control.
87 SEL DIN O Data output to selector IC(X08,IC12/14).
88~91 V. CTL A~D O Video switch control.
92 SEL. DIN O Data output to selector IC(X07,IC8/11).
93 SEL. CLK O Clock output to selector IC(X07,IC8/11).
94 SEL. ST1 O Strobe 1 output to selector IC(X07,IC8).
95 DAVSS - Connected to ground.
96 SEL. ST 2 O Strobe 2 output to selector IC(X07,IC11).
97 VOL. CE O Chip enable output to vol. IC (X08,IC15).
98 VOL. CLK O Clock output to vol. IC (X08,IC15).
99 V. MUTE O Mute control to video selector IC (X14,IC401/402).
100 DAVDD - +5V power supply.
7
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
CIRCUIT DESCRIPTION

4. AK4112AVF u-com interface port

Pin Name Pin No. I/O Function
PD 7 I Power Down Mode Pin When "L", the AK4112AVF is power down and reset.
AUTO 5 O Non PCM Detect Pin "L":No detect, "H":Detect
FS96 17 O 96kHz Sampling Detect Pin "H":fs=88.2kHz or more, "L":fs=54kHz or less.
ERF 18 O Unlock & Parity Error Output Pin "L":No Error, "H":Error
CSN 25 I Chip Select pin in Serial Mode
CCLK 26 I Control Data Clock Pin in Serial Mode
CDTI 27 I Control Data Input Pin in Serial Mode
CDTO 28 O Control Data Output Pin in Serial

5. AK4527B u-com interface port

Pin Name Pin No. I/O Function
PDN 17 I Power Down & Reset Pin OVF 33 O Analog Overflow Detect Pin CSN 41 I Chip Select Pin
CCLK 42 I Control Data Clock Pin
CDTI 43 I Control Data Input Pin

6. Test Mode

6-1 Entering the Test Mode

• While pressing the "BAND" key, plug the power cord into AC wall outlet.

6-2 Cancelling the Test Mode

• Initialized and cancel the test mode if pulling out the power code.

6-3 Contents of the Test Mode

6-3-1 Pch CALL UP/DOWN
Key Function
Pch CALL UP
DIMMER
INPUT MODE
6-3-2 10 Steps Switching of P ch Call
Key Function
SET UP Preset Operation
6-3-3 TUNER mute on/off
Key Function
LISTEN MODE TUNER mute on/off
01 02 03 39 40
Pch CALL DOWN
01 02 03 39 40
... ...
... ...
6-3-4 Key Operation
• The following operation is available during the all FL lighting up mode only.(only VR-507/509/510)
Operation Keys Display Function
SOUND Normal Indication RF receiving frequency is made 422MHz for VR-509/510 and 418MHz for VR-507.
LISTEN MODE FRONT IR FRONT IR is enabled and remote control is disabled.
SOURCE DIRECT RF BAND 2 RF receiving frequency is made 428MHz for VR-509/510.
8
ACEG IBDFHJ
C33
R32
C31
R31
C251
C252
C253
C254
C255
C256
R253
R254
R257
R258
R261
R262
C806
R802
C802
C801
R801
C805
C706
C712
C702
R701
R713
R711
R707
R705
R703
C705
C905
R901
C901
C902
R902
C906
R709
C709
C701
R657
R33
C21
C6
C8
C5
C7
C55
C54
C59
R11
R9
R12
R10
R7
R8
R45
C56
R702
C4
R5
R527
R521
C505
R523
R522
R516
R520
R515
R505
R518
R517
R519
R621
R623
R622
R615
R605
R627
R619
R528
R408
C402
C401
R405
R403
R402
R401
R407
R110
R108
R104
C106
R109
R103
R107
C105
C205
R207
R203
R209
C206
R204
R208
R210
C210
C310
R310
R308
R304
R312
C306
R309
R303
R307
C305
C605
R618
R620
R616
R617
R502
R532
R533
R503
R534
C211
C212
C111
C112
C110
C311
R492
R491
R494
R493
R495
C454
R451
R461
C451
C460
C457
C711
C463
C456
C453
C465
R462
R459
R460
R411
R529
C36
C35
C11
C12
C713
C714
C811
C812
C813
C814
C911
C913
C914
C13
C216
R815
R662
R816
R715
R716
R817
R916
R663
R661
R496
C14
R2
R1
1
3
4
5
1
3
5
4
1
3
5
4
BE
EB
EB
BE
EB
EB
Q73
Q71
Q49
Q41
Q42
D42
D44
D45
IC46
IC48
IC47
Q50
D46
D47
R220
C34
C32
C141
C185
C186
R170
R171
C183
C184
C162
R164
R163
R162
R161
R160
R159
R157
R158
R154
R153
R155
C161
R165
R166
R156
C170
C169
C154 C153
R151
R152
R169
R168
C125
C126
R127
R128
R123
R121
R122
C122
R126
R124
C121
R125
R217
R218
R215
R811
R652
R653
R655
R656
R813
R814
R704
C810
R810
R804
R806
R808
R805
R803
R809
C809
C710
R710
R706
R708
R714
C909
R909
R903
R905
R907
R911
R913
R914
R912
R908
R906
R904
R910
C910
R712
CP92
CP91
R807
R260
R259
R256
R255
R252
R251 R263
R264
CP90
C163
C165
C164
C166
CP93
R812
CP95
CP94
R654
R143
R141
R146
R142
R144
R145
C23
C24
C25
R56
R55
R54
C58
R66
R67
R68
R42
R41
C45
C44
C46
L41
R58
R59
C29
R44
C42
C43
C41
R43
R57
C57
R4
R3
C3
R6
R524
C507
C506
C503
C501
C504
CP51
CP52
C502
C510
R514
R404
R624
C607
C606
R601
R602
C603
C601
C604
CP61
CP62
C602
R603
C610
R614
R628
R629
R21
R113
R114
C108
R102
R112
R111
C107
R101
R213
R214
R201
C207
R211
R212
R202
C208
C309
C308
R311
C307
R301
R314
R313
R302
R501
R536
R535
R35
R37
C209
C109
R173
R172
R658
C466
C467
C469
C468
CP96
C215
R216
R818
R915
2
DSP
L
R
INPUT BUFFER
6CH
E-VOLUME
CODEC
1
1
RS
SW
C
LS
P
OWER SUPPLY
C651
C652
C708
C707
C808
C807
R660
C804
C803
C704
C903
C907
C908
C904
C703
C160
C159
C158
C157
C156
C155
C152
C151
C167
C168
C182
C181
C180
C179
C178
C177
R34
C22
C10
C9
X1
C26
R20
C1
C2
C508
C509
C608
C609
C103
C203
C204
C104
C303
C304
R36
R38
C455
C461
C458
R449
R454
C459
C462
C464
R453
R452
C452
C27
C190
C189
P
1
C655
C715
C716
C916
C915
C653
C654
1
1
7
8
14
7
8
14
1
40
39
29
28
18
17
7
6
44
18
17
7
6
1
44
40
39
29
28
14
1
28 15
5
1
1
1
8
4
5
8
4
11
12
22
23
33
34
44
1
4
5
8
5
4
1
8
1
4
5
8
1
4
5
8
15
1
30
16
1
15
16
30
1
42
22
21
1
8
5
4
1
4
5
8
1
8
5
4
23
22
2
29
28
2
1
9
IG
O
EB
EBEB
EB
EB
EB
EB
EB
EB
EB
EB
E
B
BE
B
E
E
B
1
E2
1
4
5
8
BE
BE
Q16
Q15
D151
D152
IC15
IC13
IC12
Q84
Q83
D67
IC80
Q82
Q81
IC70
Q72
IC90
Q91
Q94
Q92
Q93
Q74
Q65
Q66
IC14
D3
D2
D1
D6
IC6
Q1
IC5
IC4
IC1
IC42
IC41
IC2
IC11
IC21
IC31
IC61
IC51
D43
J1
J2
Q48
Q47
J2
A1
A2
A3
D41
IC45
E1
CN2
CN3
CN1
CN5

X08-3060-10 (J70-1459-32)

CONFIGURATION
OUT
MONITOR
OPTICAL
DIGITAL
VIDEO 3
CD/DVD
DVD
OPTICAL
VIDEO 2
COAXIAL
DIGITAL IN
CENTER
SUB
WOOFER
SURROUND
FRONT
DVD/6CH INPUT
110-120V
220-240V
WH1

X00-3000-23 (J70-1417-01)

S1
CN2
CN3
CN1
F3
L
W1
250VT2.5A
W53
W54
W41
W60
W56
W44
W59
W73
P
1
W61
W55
W57
W63
W64
W58
W52
W42
W43
W45
W46
W47
R205
W74
W72
R108
W70
W71
R107
W67
W50
W40
W32
W29
W27
W33
W35
W37
W19
W30
W24
W26
W22
W12
W36
W17
W15
W38
R4
C4
C3
R3
C6
C5
R6
R5
C10
C9
R9
R10
R215
R225
R226
R201
R202
R203
R204
R206
R208
R207
R211
R209
R212
R213
R142
C142
C131
C132
C133
C106
C111
C105
C104
C110
C109
C103
C102
C108
C107
C101
C141
C143
R141
C112
R104
R101
R102
R105
R103
R106
C211
C212
C213
C237
C235
C236
C238
C234
C233
C232
C231
C201
L1
C203
C202
C22
C17
C15
C14
C16
R7
R8
R12
R11
C11
C12
C7
C8
C2
R2
R14
R16
C21
C20
C19
C18
C121
R121
R122
C122
R123
R124
R126
C123
R125
R42
C54
C53
C51
C52
R54
R53
C13
C33
C32
R32
R31
C31
R15
R13
W6
W28
W31
W21
W16
W25
R52
R51
R1
C1
8
14
1
7
1
14
7
8
1
7
8
14
1
7
8
14
1
7
8
14
1
8
9
16
1
8
14
7
1
19
18
2
B
E
E
B
BE
O
G
I
1
7
6
2
B
E
B
E
B
E
BE
1
3
Q101
D101
J21
D102
E1
J11
D103
IC13
Q203
Q204
D224
D223
Q201
Q202
D201
D202
D52
D51
J1
J2
IC12
IC11
CN1
IC21
J22
IC22
J12
Q51
Q52
IC2
IC3
IC1
WH1
IR
REPEATER
OUT
ANTENNA
RF
REMOTE
CR
CB
Y
CR
CB
Y
MONITOR OUT
DVD IN
VIDEO 3 IN
VIDEO 3
VIDEO 1
DVD
PLAY
IN
VIDEO 2
PLAY
IN
PLAY
IN
PLAY
IN
REC
MONITOR
OUT
OUT
CN2

X35-2252-71 (J70-1468-02)

PC BOARD (Component side view)

1
2
3
4
5
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
9
10
K LNPRTMOQS
T2.5AL250V
AC
W206
C315
R334
R335
R332
C101
C102
R201
R202
R206
R205
W26
R232
R231
R230
R229
R203
R204
W5
C221
R88
R87
C309
R331
R333
C216
C215
W198
W185
W184
W183
W186
W182
W197
W179
W180
W201
W175
W156
W92
C403
C404
W115
W109
W105
W102
W97
W151
W85
W170
W96
W95
W145
W144
W143
W90
R123
R124
W91
W154
W93
W3
W31
W42
W16
W117
W43
W116
R303
W164
W84
W112
R306
W69
W47
W64
W20
W22
W49
W29
W53
W32
W157
W155
W17
W79
W80
W83
W74
W122
W89
W75
W76
W70
W77
W78
W129
W118
W152
W142
W139
W33
W169
W30
W67
W62
W56
W44
W50
W140
W1
W2
W12
W19
W15
W14
W21
W11
W28
W141
W23
W9
W8
W27
W38
W40
W41
W10
W24
W7
W25
C313
W36
W71
W72
W57
W58
W135
W136
W137
W138
W161
W162
W172
W158
W45
W121
W153
W159
W54
W51
W52
W81
W82
W167
W127
W171
W133
W131
W60
W63
W34
W46
W103
W37
W119
W120
W195
W176
C401
C402
W128
W125
W126
W55
W59
W61
W65
W66
W68
W114
W86
W87
W73
W173
W39
W168
W13
W188
W94
W110
W132
W130
W134
W48
W106
W107
W98
W108
W18
W99
W104
W88
W124
W111
W123
W174
W181
W100
W149
W187
W192
W190
W191
W200
W177
W6
W4
W194
W193
W196
W189
W150
W148
W147
W146
C318
R338
R353
W203
W202
W204
W205
R254
C314
W199
W160
R356
R354
R352
R351
R355
W165
W163
W207
W178
C311
C312
R337
R267
C405
R324
C153
C154
C155
C317
W208
C151
C152
W101
W113
C310
R336
C316
C120
C119
K3
C118
P
1
T1
R15
R16
C211
C212
R85
C57
C59
R86
C58
C60
C141
R151
C143
R122
C114
C116
C115
R121
C113
C144
C142
R152
L1
R83
R149
L5
L2
R84
L4
R120
L3
R119
R150
L6
C214
C213
R323
R253
C201
C202
C203
C209
C210
C204
C10
C9
R5
R14
C16
R12
C14
R10
C12
C18
R13
C17
C15
R9
C11
C13
R11
C228
R117
R118
R148
R314
C136
C107
C138
C110
C109
C54
C51
R81
C52
R82
C137
C53
R147
C135
R228
C300
R209
R208
R207
R210
R262
C234
C233
C230
C19
C20
R17
R18
R19
R20
C31
R24
R28
R32
R23
R27
R31
R22
R26
R30
R21
R25
R29
C22
C24
C26
C21
C23
C25
C27
C29
C28
C30
R33
R37
R34
R38
R35
R39
R36
R40
C32
R43
R44
R52
R51
R50
R49
C36
C35
R48
R47
R46
R45
C34
C33
R1
C2
C1
C3
C4
C217
C219
C220
C218
R226
R225
C222
R234
R243
R242
R233
R235
R237
R239
C224
C223
R240
R241
R220
R244
R245
C226
R246
C225
R247
R248
R249
C48
C131
R251
C227
R250
R252
R317
R319
R316
C307
C306
C305
R315
R313
R214
R215
R213
R79
R80
R145
C55
C56
C139
R77
R78
R143
C133
C49
C50
R72
R137
R74
R76
R139
R141
R75
R73
R135
R70
R69
R236
R238
R339
K2
R322
R227
R224
R223
R222
R103
R104
R134
R318
R310
R320
C308
C304
C303
R311
R309
C106
C105
C108
C302
C301
R302
R301
C206
C205
C207
C208
R105
R106
R136
R109
R111
R142
R140
R112
R110
R138
R108
R107
C134
R144
R114
R113
C140
C112
C111
R146
R116
R115
R211
R216
R212
C229
K5
R264
R263
R330
R326
R132
R327
R65
R66
R131
R328
R329
R101
R325
R67
R68
R133
C132
C104
C103
R218
R217
C231
C232
R265
R261
R266
R312
R2
R71
C47
R7
C8
R4
C6
C5
R3
C7
R8
R6
R304
R57
R58
C39
C40
R53
R54
C37
C38
R305
R63
R61
R59
R64
R62
R60
C61
K1
R321
C145
C62
C117
C147
R154
R153
K4
R260
R308
C43
C44
R55
R56
C41
C42
R307
C45
C46
R219
R221
R41
R42
R102
2
1
1
2
2
1
3
B
E
E
B
E
E
B
B
I
G
O
1
18
1
22
BE
I
G
O
O
I
G
B
E
1
15
14
2
1
3
14
15 28
1
4
1
1
5
8
4
5
8
1
14
15 28
1
8
23
1
2
22
1
17
1
2
19
18
B
E
B
E
EB
E
B
B
E
B
E
E
B
B
E
E
B
B
E
E
B
B
E
B
E
B
E
B
E
B
E
E
B
E
B
E
B
B
EE
B
E
B
B
E
E
B
E
B
2
RED
15
1
W209
15
BLK
1
2
3
1
1
F2
F1
F3
J1
J2
J7
WH2
J3
J10
WH1
CN4
CN5
J5
Q311
D31
Q203
D16
Q202
J4
D3
D37
E5
WH7
WH7
WH6
J8
E2
E1
IC12
IC8
IC11
IC7
Q201
D1
D5
D4
IC10
IC9
D36
J3
J1
J2
IC2
D9
D8
D20
D18
D19
Q206
Q205
Q208
Q207
D11
D10
D14
Q214
Q213
D24
Q211
Q212
Q209
Q210
Q305
Q304
Q303
IC1
D21
D7
D6
D15
Q306
Q302
Q301
D2
IC6
IC5
D35
D32
Q215
Q6
Q4
Q1
Q2
Q5
Q3
D26
D29
D30
D22
D23
D13
D12
D33
D34
D17
D25
Q307
J7
Q309
D27
D28
Q310
CN3
CN2
CN7
CN6
CN8
CN9
CN11
CN10
Q308
(J70-1464-31)
X07-3292-71
AC OUTLETS
FRONT SPEAKERS B
SURROUND SPEAKERS
L
R
CENTER
SPEAKER
FRONT SPEAKERS A
L
R
SUB WOOFER PRE OUT
VIDEO 3
PLAY
IN
VIDEO 2
PLAY
IN
VIDEO 1
PLAY
REC
IN
OUT
MONITOR
PLAY
IN
OUT
REC
PLAY
IN
OUT
REC
MD/TAPE
CD/DVD
PHONO
DIGITAL IN
AUDIO
WH4
WH5
WH2
CN12
CN13
E3
WH3
WH1
E4
X07 B/4
X07 C/4 X07 D/4
PC BOARD (Component side view)
1
2
3
4
5
6
7
1211
Refer to the schematic diagram for the value of resistors and capacitors.
UWYAAACVXZABAD
R255
C263
C265
C258
R267
R269
R268
R265
R263
R264
R266
C518
C257
C255
R254
R253
R252
R242
C243
R241
R240
R243
R244
R245
R246
R247
R299
R297
R298
R310
R233
R288
C244
C264
R251
R239
R311
R312
C250
R256
C249
C245
R315
R305
R304
R231
R316
C13
R2
C14
R232
R262
C207
C208
50
100
76
75
51
26
25
1
I
G
O
40
39
27
26
14
13
1
52
C108
C111
C115
C107
C404
C412
R411
C411
R412
C414
R410
C410
7
1
14
8
C407
R407
R408
C415
C409
R409
C408
R416
C405
R406
C406
R405
7
8
1
14
R423
R422
R413
R421
16
R424
9
R402
C413
C403
R404
C402
R403
R415
C401
R401
R425
1
8
C417
IC200
IC1
IC207
IC401
IC402
IC403
SP A
SP B
UP
1
16
9
8
7
1
14
8
1
1
19
2
18
1
19
17
1
1
2
14
15
1
21
21
1
2
20
CS5.1
WHT
DOWN
1
7
7
1
2
6
1
1
C29
C542
C541
R294
R287
W155
C246
R314
R295
R212
C31
C32
L1
W88
W90
R306
C25
C28
W190
W188
R307
W61
ED2
W49
W183
W5
W142
W37
W17
W26
W24
W25
W114
W187
R65
W71
W181
W180
W179
W178
W182
W59
W139
W9
W184
W39
W86
W133
W172
W112
W177
W7
W6
W31
W60
W35
W12
R318
R317
W30
W32
W11
W14
W28
W23
W27
W16
W66
W67
W34
W4
W29
W97
W33
W10
W46
W105
W107
W106
W99
W109
W108
CP205
CP202
CP201
W100
W125
W127
W156
W103
W91
W87
CP200
W80
W132
W130
W120
W8
W134
W41
W42
W44
W45
W121
W124
W126
W143
R64
W129
W82
W50
W53
W169
W40
W98
W111
W150
W145
W101
VOLUME
W52
W159
W160
W163
W167
W147
W149
W122
W157
W110
W174
W164
W165
W166
W168
W54
W47
W57
W58
W81
W74
W56
W65
W102
W115
R61
R63
R62
W64
CP203
W104
W117
W135
W136
W116
W175
W158
W151
W118
W152
W72
W69
W153
W148
W146
W154
W96
W137
W138
W141
W144
W48
W55
W85
W83
W79
W77
W63
W51
W62
W89
W73
W68
W70
W75
W131
W92
W93
W94
W95
C206
C205
W123
W162
W186
W191
W189
W140
W161
R66
W192
W193
W194
W198
W197
W196
W195
W199
W200
W213
W214
W215
W211
W216
W217
W113
W170
R67
R68
W212
W18
C27
C30
W36
R290
C247
C284
C285
C283
C266
C260
C262
C259
C256
R261
R260
C254
R258
R257
R259
R250
R284
R285
R237
R236
R235
R234
R283
R282
R275
R292
R291
R293
R249
R248
R289
R213
C209
C211
C213
R230
R229
C230
C229
C514
R228
C540
C515
R227
R500
R501
C539
R222
R223
R224
R225
R226
C202
C201
R203
R206
R205
R204
R202
R207
R308
R281
R276
R277
R278
R279
R280
R200
C204
R201
R211
R238
C248
C203
R210
R301
R303
R302
R209
C510
C511
C512
C513
C261
C210
R214
R208
C212
R215
R216
C214
R219
C215
R217
C216
C218
R218
C217
R221
C219
R220
R52
R50
C18
C504
R53
R40
R55
R54
R51
R56
C20
C21
C19
C505
R32
R33
C16
R30
R31
R28
C15
R29
C10
R27
R26
C24
R25
R8
C2
R44
R43
R10
C12
R35
R36
R34
R3
C11
R42
R38
R41
R39
C26
R11
R12
R13
R14
R15
R16
R17
R18
R19
C501
C503
R24
R3
R6
R7
C1
R9
C6
C7
C8
R20
R22
R23
R21
C5
C17
C3
C4
R57 R58
R59
R60
R49
W13
W15
R4
R5
DTS
DTS
DOLBY DIGITAL/
THX SELECT/
DOLBY DIGTAL
PRO LOGIC/
SET UP
MULTI CONTROL
INPUT MODE
DIMMER
LISTEN MODER
SOUND
DSP/
3 STEREO
MONITOR
SOURCE DIRECT
C9
AUTO/CINEMA EQ
MEMORY
BAND
SELECTOR
R47
R46
R48
X200
R313
O
I
G
28
2
29
3
1
55
51
35
15
5
1
B
E
1
1
3
3
B
E
E
B
B
E
B
E
B
E
E
B
R106
C100
W21
W128
W38
W19
W119
W43
W20
W22
1
2
15
14
R124
1
C106
X100
16
R125
8
C125
W78
C110
9
C114
15
W84
14
R104
C105
R105
C104
E
R110
R111
R103
C103
C102
R102
R100
R109
R108
E
E
C113
W76
C112
1
2
R101
C101
R107
E
R118
R114
R115
W176
B
E
R117
B
R123
R122
1
R116
B
W171
B
R112
E
B
W185
9
R121
R120
B
R113
R119
W173
C22
C23
1
3
P
1
STANDBY
R1
POWER
1
R45
3
B
W222
C421
E
R417
C416
W220
W221
W218
W219
C419
W223
W224
W227
C420
R414
W231
W226
W225
W228
W229
W232
W230
W238
W236
C418
W237
R296
19
C424
W235
W234
C425
C422
R419
R420
1
O
I
G
WH1
J201
WH3
E1
E4
J203
WH4
CN3
J204
A2
J2
J3
D14
D15
D12
D13
CN1
CN206
Q2
CN202
CN204
Q205
Q204
D215
D214
D212
D216
D211
IC202
Q203
D210
Q202
D209
IC201
D200
D201
D203
D204
D205
D202
D206
D207
J200
Q200
D221
Q201
D220
E200
IC204
D213
IC205
J201
J202
D7
Q1
D6
D4
D5
D3
D2
D11
D10
D9
E2
CN201
CN203
S200
CN205
WH2
S18
S17
S16
S13
S5
S6
S3
S9
S4
S7
S10
S8
S2
S12
S11
S14
S15
CP206
DISPLAY & AUX PCB
MICRO COMPUTER & VIDEO PCB

X14-7252-71 A/8 (J70-1469-11)

MONITOR B
OUT
VIDEO 2 IN
CD/DVD
DVD
IN
MONITOR
OUT
VIDEO 1 OUT
VIDEO 1 IN
VIDEO 3 IN
SYSTEM
CONTROL
AM 10kHz FM 100kHz
AM 9kHz FM 50kHz
Q101
Q104
Q105
Q100
TUNER PCB
CN101
IC100
E100
WH3
CENTER
WOOFER
SUB
SURROUND
6CH PRE OUT
FRONT
J100
Q102
Q103
6CH PRE OUT PCB
CN100
PHONES
J1
CN2
D1
WH1
S1
E3
VEDEO 2
PLAY
J402
VIDEO 3
Q401
IN
PLAY
IN
VIDEO 1
IN
PLAY
OUT
REC
J404
VIDEO PCB
OUT
MONITOR
PLAY
DVD
J401
IN
J403
CN401
D401
X14 H/8
X14 B/8
X14 C/8
X14 D/8
X14 F/8
X14 E/8
RED
BLK
POWER
WH100
S100
X14 G/8
PC BOARD (Component side view)
1
2
3
4
5
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
13
14
A BDFHJCEG I
220K
220P
R20
C20 C19
220P
220K
R19
1K
R17
R18
1K
220K220K220K 220K
1K
1K
C23C24
R27
220P
R26
220P
R28
R25
C22 C21
220P
R22
220P
R24
R21
1K
R23
C1C2
R1 1K 10u50
+
C3
R2 1K 10u50
+
C4
W201
1K
C30 C29
R39
220K
220P
R38
220P
1K
R40
220K
R37
1K
C25C26
R30
220P
R32
220K
R29
220P
1K
R31
220K
C27R28
R34
1K
220P
R36
220K
R33
220P
1K
R35
220K
C31C32
R42
1K
220P
R44
220K
220P
1K
R43
220K
1K
R41
28272625242322212019181716
15
+VCC
DATA
CLK
1
2
345
678
9
10
11
12
13
14
-VCC
ST
GND
TUNER
PHONO
CD
MD/TAPE
COM
REC OUT
MD/TAPE
VIDEO1
ANALOG
DIGITAL
REC OUT
REC
REC
R
L
2
1
345
6
11
7
8
9
10
12
14
+VH
-VH
-VL
-REF
+RE/CH1
-VH
-RE/CH1
-RE/CH2
+RE/CH2
-PRE
IN/CH1
+PRE
NF/CH1
13
+REF
-VL
+VL
+VH
1
2
+REF
-REF
4
3
5
+RE/CH2
-VH
+RE/CH1
SUB
7
6
8
-RE/CH2
-RE/CH1
10
9
11
IN/CH1
+PRE
-PRE
13
12
14
17
BIAS
NF/CH1
16
NF/CH2
IN/CH2
18
15
6
5
4
7
4.7u50 +
C18
3
2
8
1
C5 220P
R3 30K
270K
R9
360
R7
100u10
C7
+
0.012
C11
270P
C9
22K
R11
C15 100P
3300P
C13
R13 47K
100P
C211
1K
4.7u50 +
C17
R5 100
R10
270K
R12 22K
0.012
C12 C14
C8
100u10
+
R8
360
C10
270P
100
R6
220P
30K
R14 47K
C16 100P
3300P
1K
4
5
6
7
2
3
1
8
6
5
4
7
3
2
8
1
220K
R55
C43 100P
C39
220K
R53
C40 100P
220K
R54
2.2u50 +
C38
220K
R56
C44 100P
2.2u50 +
C42
22u16
+
C46
2.2u50 +
C37
2.2u50
C41
22u16
+
C45
+
W198
C6
R4
0.01
C215
R64
100
R58
R62 6.8K
R60 3KR59 3K
R61 6.8K
R306 1K
R305 1K
9
23
100P
17
4
5
R303 1K
R304 1K
R57 100
5.6K
220P220P
C36 C35
1K
R51R52
R50
220P 220P
1K
220K 220K
C34 C33
R49
R48
R46
1K
220P
220K
R47
R45
220P
1K
220K
GND CLK
ATT O FF
ATT 2
ATT 1
MONITOR
COM
LINE BUF
COM
FRONT
VIDEO3
VIDEO2
VIDEO1
-VCC
1
L
4
3
2
7
6
5
11
10
9
8
14
13
12
ST
+VCC
R
282526
27
22
23
24
DATA
18
19
20
21
15
16
17
R15
R16
C212
0.01
R308 1K
C213
220P
C214
1000P
100P
C404
100P
C403
1000P
C405
5.6K
R63
C216
220P
R307 1K
16
BIAS
17
18
IN/CH2
NF/CH2
15
BUS
20
19
21
22
+RE/CH3
NF/CH3
IN/CH3
-RE/CH3
4.7K 1W
R223
R224
4.7K 1W
R109 0.22 2W
R111 0.22 2W
R211
R112 0.22 2W
R110 0.22 2W
33K
0.22 2W
R140
R216
33K
33K
1/4W
C111 18P
R115 33KR113 1K
C109 470P
R117 C107 100u10
+
100P
C153
C112 18P
C110 470P
R116 33K
C108 100u10
R114 1K
R118
+
C140 18P
C136 100u10
R146 33K
R144
1K
R148
+
R138
+
2.2u50
C132
1K
R134
100K
470P
33K
R136
C134
100P
C154
R351 470
30K
R309
R311 10K
4700P
C303
R310
30K
R312 10K
C304
R352 470
4700P
C308
10K
R318
4700P
30K
R356
470
R320
47K
R339
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
RDVD
G.GND
LDVD
G.GNDLTG.GND
RT
LREC
G.GND
RREC
+7.8V
M.GND
A.D.MUTE
-12V
GND
+12V
GND
SL
SW
SR
R
C
L
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R.TUNER
G.GND
L.TUNER
+12V
G.GND
-12V LAUX
G.GND
PAU X
S.GND
ST1
ST2
CLK
DIN
A.MUTE
HP.R
HP.L
19
LIMITER
R325 1K
R330 1K
R326 1K
R328 1K
R329 1K
R327 1K
R334 10K
R101 2.2K
R132
R102 2.2K
R66 2.2K
R131 2.2K
R65 2.2K
10u50
+
10u50
+
R333 360
23
21
17
C101
C102
360
C309 10u25
47u25
C310
+
100K
R3321KR336
R123 100
R124 100
7
620 1/4W
R335
10K
R331
R88 390 2W
R87 390 2W
R324
6
4
27
956
7
R212
33K
R227
C105
R107
1K
100K
R103
33K
R105
+
2.2u50
C103
470P
C106
1K
R108
R106
100K
R104
2.2u50 +
470P
33K
C104
0.22 2W
R142
R249 3.3K
220u10
C227
+
R252 1K
10K
R251
1K
R253
+
C288
2.2u50
10K
R250
3.3K
R248
1u50
+
C226
R246
15K
R245
1.5K
C225 4.7u50
R247 15K
+
1.5K
R244
+B
+B
+B
+B +B
+B
+B
+B
+B+B
+B
+B +B
+B +B
+B+B+B
+B
+B+B
+B
+B
+B +B
+B
+B
+B+B
+B
BB
BB
B
B
B
BB
BB
B B
BB
B
B
BB
B
B
BB
B
B
B
B
B
+B
+B
2.2K
+B+B
21
W88
R222 51K
R217 51K
R218 51K
27
AUX
BB
1.2K
CD
PHONO
J1
MD/TAPE REC
MD/TAPE PLAY
J2
REC
MONITOR
MONITOR PLAY
IN
VIDEO1
OUT
VIDEO1
INPUT/REC
SELECTOR
OUT
INPUT/
SELECTOR
ATT
IC7(2/2)
IC7(1/2)
PHONO EQ AMP
IC10(2/2)
IC10(1/2)
IC9(2/2)
IC9(1/2)
LINE BUFFER
REC OUT BUFFER
A
VIDEO3 IN
DVD IN
J3
J10
VIDEO2 IN
Q301 Q302
Q306
CN5 CN6 CN7
Q3 Q6 Q4 Q2 Q5 Q1
D31
Q311
Q213
Q210
Q214
Q211
D24
Q212
D21
Q209
B
DC
D6
D7
D22D23
D15
D12
D13
SURR.CH
FRONT/CENTER CH
A B
IC8
IC11
IC1 IC3
(X07-3XXX-XX) (A/4)
12.0V
-12.0V
12.0V
-12.1V
-12.0V
12.0V
-12.1V
-12.1V
-12.1V
12.0V
8.8V
65.3V
-65.2V
-39.8V
-25.3V
25.3V
39.8V
-39.8V
-25.3V
25.3V
39.8V
65.3V
11.7V
0V
11.7V
11.7V 11.7V
0V
0V
11.4V
12.0V
11.7V
11.7V
12.0V
OFF:-12.0V
ON:3.8V
-12.1V
OFF:4.2V
ON:3.9V
MUTE
ON:3.2V OFF:4.5V
1
2
3
4
5
6
7
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