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AUDIO-VIDEO SURROUND RECEIVER
KRF-V6060D/V6060D-S/V7060D/V7060D-S/V8060D
KRF-V8060D-S/V8060D-G/X9060D/X9060D-S/X9060D-G
VR-6050/6060/6070
SERVICE MANUAL © 2002-5 PRINTED IN KOREA
B51-5791-00 (K/K) 3529
Knob * Panel * Knob ass'y * Front glass * Knob ass'y * Knob(VOLUME) *
(K29-) (A60-) (K29-) (B10-) (K29-) (K29-)
VOLUME CONTROL
STANDBY
DSP DOLBY DIGITAL
SPEAKER EQ DTS
ON/STANDBY ACTIVE EQ CSII
A SPEAKERS B
LOUDNESS SPEAKER EQ ACTIVE EQ DSP STEREO INPUT MODE DIMMER
DOWN UP
MUTE
DVD/6CH CD/DVD AUX TUNER MULTI CONTROL LISTEN MODE
POWER
SOUND TONE SETUP AV AUX
-ON OFF
PHONES VIDEO 1 VIDEO 2 VIDEO 3 MD/TAPE S VIDEO VIDEO L-AUDIO-R
BAND AUTO MEMORY
Knob(BUTTON) * Phone jack Knob * Knob * Pin jack
(K27-) (E11-0271-05) (K29-) (K29-) (E63-1251-05)
Cylindrical receptacle
(E56-0033-05)
Miniature phone jack
(E11-0293-05)
Pin jack
(E63-1080-05)
Cylindrical receptacle Optical receiving module
(E56-0042-05) (W02-2731-05)
Tuner ass'y * Slide switch Cylindrical receptacle Slide switch AC power cord *
(W02-) (S62-0034-05) (E56-0040-05) (S62-0001-05) (E30-)
SYSTEM CONTROL COAXIAL OPTICAL VOLTAGE SELECTOR
CD/DVD
AC 110- AC 220-
ANTENNA 120V~ 240V~
VIDEO 2
75us 50us
AM 10kHz AM 9kHz
FM100kHz FM50kHz
DVD/6CH
AM
DE-EMPHASIS
CHANNEL SPACE DIGITAL IN
S VIDEO SPEAKERS(8-16)
GND
S VIDEO FRONT A CENTER SURROUND
VIDEO VIDEO IN VIDEO DVD MONITOR
OUT IN VIDEO IN IN OUT
RED WHITE GREEN R GRAY BLUE L AC OUTLETS
75 AC120V 60Hz
FM
VIDEO
+ + - - +
IN IN REC OUT PLAY IN REC OUT PLAY IN PLAY IN PLAY IN CENTER SUB WOOFER
-
+ - - +
R L R FRONT B L
SWITCHED TOTAL
REC OUT PLAY IN PLAY IN PLAY IN FRONT SURROUND SUB WOOFER SURROUND BACK 150W 1.25A MAX.
GND PHONO CD/DVD MD/TAPE VIDEO 1 VIDEO 2 VIDEO 3 DVD/6CH.INPUT PRE OUT
Pin jack Pin jack Pin jack Lock terminal board AC outlet *
(E63-1246-05) (E63-1246-05) (E63-1248-05) (E70-0161-05) (E03-)
Metallic cabinet * Pin jack Pin jack Screw terminal board AC power cord bushing
(A01-) (E63-1253-05) (E63-1247-05) (E70-0150-05) (J42-0349-05)
70%
Illust. is VR-6050/KRF-V6060D.
* Refer to parts list on page 35.
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
CONTENTS / ACCESSORIES / CAUTIONS
Contents
CONTENTS / ACCESSORIES / CAUTIONS............. 2 SCHEMATIC DIAGRAM .......................................... 13
EXTERNAL VIEW .......................................................3 EXPLODED VIEW ....................................................33
WIRING DIAGRAM .....................................................4 PARTS LIST..............................................................35
PC BOARD ................................................................ 5 SPECIFICATIONS ....................................................46
Accessories
FM indoor antenna (1) AM loop antenna (1) RF remote antenna (1) Remote control unit (1)
(T90-0877-05) (T90-0852-05) (For VR-6060/6070 only) Refer to the table on this page below.
(T90-0899-05)
Batteries (R6/AA) (2) AC Plug Adaptor (1)
(E03-0383-05) (E03-0382-05)
Use to adapt the plug on the
power cord to the shape of the
wall outlet.
(Accessory only for regions where
use is necessary.)
Model name vs Remote controller
Remote controller
MODEL Destinations Parts number Model name Battery cover
VR-6050 KP A70-1555-05 RC-R0727 A09-1258-08
KRF-V6060D Y A70-1555-05 RC-R0727 A09-1258-08
KRF-V6060D E A70-1554-05 RC-R0726 A09-1258-08
KRF-V6060D-S TE A70-1554-05 RC-R0726 A09-1258-08
KRF-V6060D-S MIXH A70-1555-05 RC-R0727 A09-1258-08
KRF-V7060D E A70-1554-05 RC-R0726 A09-1258-08
KRF-V7060D-S E A70-1554-05 RC-R0726 A09-1258-08
VR-6060 KP A70-1552-05 RC-R0816 A09-1258-08
KRF-V8060D E A70-1554-05 RC-R0726 A09-1258-08
KRF-V8060D-S E A70-1554-05 RC-R0726 A09-1258-08
KRF-V8060D-S X A70-1553-05 RC-R0725 A09-1258-08
KRF-V8060D-G M A70-1553-05 RC-R0725 A09-1258-08
VR-6070 KP A70-1549-05 RC-R0813 A09-1258-08
KRF-X9060D E A70-1551-05 RC-R0815 A09-1258-08
KRF-X9060D Y A70-1550-05 RC-R0814 A09-1258-08
KRF-X9060D-S ET A70-1551-05 RC-R0815 A09-1258-08
KRF-X9060D-S X A70-1550-05 RC-R0814 A09-1258-08
KRF-X9060D-G MH A70-1550-05 RC-R0814 A09-1258-08
Cautions
Resetting the Microcomputer For the U.S.A. and Canada
The microcomputer may malfunction (unit cannot be operated, or Unplug the power cord from the wall outlet, then plug it
shows an erroneous display) if the power cord is unplugged while back in while holding down the POWER ON/STANDBY
the power is ON, or due to some other external factor. If this key.
happens, execute the following procedure to reset the microcom-
puter and return the unit to its normal operating condition.
For other countries
With the power cord plugged in, turn the POWER ON/
· Please note that resetting the microcomputer will clear the contents OFF key OFF. Then, while holding down the ON/
of the memory and returns the unit to the state it was in when it left
the factory.
STANDBY key, press POWER ON/OFF.
2
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
EXTERNAL VIEW
Illust. is VR-6070/KRF-X9060D.
Knob(BUTTON) * Panel * Knob ass'y * Front glass * Knob ass'y * Knob *
(K27-) (A60-) (K29-) (B10-) (K29-) (K29-)
VOLUME CONTROL
STANDBY
DSP DOLBY DIGITAL
SPEAKER EQ DTS
ON/STANDBY ACTIVE EQ CSII
A SPEAKERS B
LOUDNESS SPEAKER EQ ACTIVE EQ DSP STEREO INPUT MODE DIMMER
DOWN UP
MUTE
DVD/6CH CD/DVD PHONO TUNER MULTI CONTROL LISTEN MODE
POWER
SOUND TONE SETUP AV AUX
-ON OFF
PHONES VIDEO 1 VIDEO 2 VIDEO 3 MD/TAPE S VIDEO VIDEO L-AUDIO-R
BAND AUTO MEMORY
Phone jack Knob * Pin jack
(E11-0271-05) (K29-) (E63-1251-05)
Cylindrical receptacle
(E56-0033-05)
Illust. is VR-6070.
Pin jack
(E63-1253-05) Pin jack Miniature phone jack
Cylindrical receptacle (E63-1080-05) (E11-0389-05)
(E56-0040-05) Optical receiving module Miniature phone jack
Miniature (W02-2731-05) (E11-0291-05)
Tuner ass'y * phone jack Oscillating module Pin jack Pin jack Miniature phone jack
(W02-) (E11-0293-05) (W02-2732-05) (E63-1249-05) (E63-1250-05) (E11-0904-05)
SYSTEM CONTROL COAXIAL OPTICAL OPTICAL OPTICAL SPEAKERS(8-16) COMPONENT VIDEO
CD/DVD VIDEO 3 MONITOR
SURROUND BACK/ VIDEO
SURROUND 3
ANTENNA SUBWOOFER IR
VIDEO 2 IN
GRAY BLUE PURPLE REPEATER
IR OUT
DVD RECEIVER
IN Y CB CR IN
DVD/6CH MONITOR OUT
AM Y CB CR
DIGITAL IN DIGITAL OUT
L
RF REMOTE ANTENNA
GND R
S VIDEO R L
VIDEO VIDEO IN VIDEO DVD MONITOR
OUT IN VIDEO IN IN OUT
RED WHITE GREEN AC OUTLETS
75 AC120V 60Hz
FM PRE OUT
+ SPEAKERS(8-16)
IN IN REC OUT PLAY IN REC OUT PLAY IN PLAY IN PLAY IN CENTER
FRONT B
R L
-
R FRONT A L CENTER
SWITCHED TOTAL
REC OUT PLAY IN PLAY IN PLAY IN FRONT SURROUND SUB WOOFER
+ - - + 150W 1.25A MAX.
GND PHONO CD/DVD MD/TAPE VIDEO 1 VIDEO 2 VIDEO 3 DVD/6CH.INPUT
Metallic cabinet * Pin jack Pin jack Pin jack Pin jack AC power cord * AC outlet
(A01-) (E63-1246-05) (E63-1247-05) (E63-1252-05) (E63-1246-05) (E30-) (E03-0148-05)
Screw terminal board AC power cord bushing
(E70-0150-05) (J42-0349-05)
Pin jack
(E63-1248-05)
Lock terminal board
(E70-0160-05)
* Refer to parts list on page 35.
3
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
CIRCUIT DESCRIPTION
1. Model Type & TUNER Destination
1-1 Model Type
Model Model
Model Type Type1 Type0
(94Pin) (93Pin)
VR-6070/KRF-X9060D 0 0 Pin Number of Microprocessor
VR-6060/KRF-V8060D 1 0
VR-6050/KRF-V6060D/KRF-V7060D 0 1
1-2 TUNER Destination
Channel
Set Type Type Band Receiving Frequency Range IF PLL
Space
FM 87.50MHz~108.0MHz 100kHz +10.7MHz 25kHz
K/P K1
AM 530kHz~1700kHz 10kHz +450kHz 10kHz
FM 87.50MHz~108.0MHz 100kHz +10.7MHz 25kHz
Y/M/I K2
AM 530kHz~1607kHz 10kHz +450kHz 10kHz
Y/M/V/X FM 87.50MHz~108.0MHz 50kHz +10.7MHz 25kHz
E1
H AM 531kHz~1602kHz 9kHz +450kHz 9kHz
E3 FM 87.50MHz~108.0MHz 50kHz +10.7MHz 25kHz
E/T
RDS AM 531kHz~1602kHz 9kHz +450kHz 9kHz
Input Tuner
R (k) Volt (V)
Voltage(V) Destination
0 K/P Open 0
1.6~2.0 E/T 27 1.79
2.1~2.5 - - -
2.6~3.0 Y/M/I(M2) 12 2.78 For M type, K2/E1 are decided by CH SPACE
3.1~3.5 - - - CH SPACE = 1 îK2 TYPE
3.6~4.0 Y/M/V/X(E1) 4.7 3.81 CH SPACE = 0 îE1 TYPE
4.1~4.5 - - -
2. Tuner Preset Memory
P.ch K1 K2 E1/E3 P.ch K1 K2 E1/E3
1 FM 98.3M FM 98.3M FM 98.3M 21 AM 530K AM 530K AM 531K
2 FM 108.0M FM 108.0M FM 108.0M 22 FM 87.5M FM 87.5M FM 87.5M
3 FM 89.1M FM 89.1M FM 89.1M 23 FM 87.5M FM 87.5M FM 87.5M
4 FM 87.5M FM 87.5M FM 87.5M 24 FM 87.5M FM 87.5M FM 87.5M
5 FM 90.0M FM 90.0M FM 90.0M 25 FM 87.5M FM 87.5M FM 87.5M
6 FM 87.5M FM 87.5M FM 87.5M 26 FM 87.5M FM 87.5M FM 87.5M
7 FM 87.5M FM 87.5M FM 87.5M 27 FM 87.5M FM 87.5M FM 87.5M
8 AM 1610K FM 87.5M AM 1503K 28 FM 87.5M FM 87.5M FM 87.5M
9 AM 1700K AM 1610K AM 1584K 29 FM 87.5M FM 87.5M FM 87.5M
10 AM 1050K AM 1050K AM 999K 30 FM 106.0M FM 106.0M FM 106.0M
11 AM 630K AM 630K AM 621K 31 FM 87.5M FM 87.5M FM 87.5M
12 AM 1440K AM 1440K AM 1350K 32 FM 87.5M FM 87.5M FM 87.5M
13 FM 106.0M FM 106.0M FM 106.0M 33 FM 87.5M FM 87.5M FM 87.5M
14 AM 530K AM 530K AM 531K 34 FM 87.5M FM 87.5M FM 87.5M
15 FM 87.5M FM 87.5M FM 87.5M 35 FM 87.5M FM 87.5M FM 87.5M
16 FM 98.0M FM 98.0M FM 98.0M 36 FM 87.5M FM 87.5M FM 87.5M
17 FM 98.5M FM 98.5M FM 98.5M 37 FM 87.5M FM 87.5M FM 87.5M
18 FM 87.5M FM 87.5M FM 87.5M 38 FM 87.5M FM 87.5M FM 87.5M
19 AM 990K AM 990K AM 945K 39 FM 108.0M FM 108.0M FM 108.0M
20 FM 97.4M FM 97.4M FM 97.4M 40 AM 1000K AM 1000K AM 945K
4
5
3. Test Mode
power code.
* X25-649
X05-518X VR-6060/6070 R/No. VR-6060 VR-6070
only IC202 NO YES
Configuration Sel. RF-RC J201 NO YES
X08, IC12(NJU7311AM) * X25-649 Sub Circuit Unit J202 YES YES
3-1 Entering the Test Mode
IC202 J201
CLK/DATA/ST X14, A791 IR/RF IR IN
3-2 Cancelling the Test Mode
IR Switch J202 X14, ED78
Remocon IR OUT Det 1/2 FL
X14, IC65 S-Video & CTRL1~3 HNA-16MM36T
Video Sel.
power cord to AC power wall outlet.
FL Driver
Rem 1 Rem 0 IR SW DIN/CL/CE X14, IC78(LC75711NED)
X25, IC10 Composite CTRL2 LED (X14)
Sel. TUNER/CS11/F. AUX
Melody 32 DSP IC STANDBY LED(D734)
X08, IC50 LED Driver
4-1 Microcomputer Periphery block diagram
DSP INTREQ/DSP RESET X14, IC74(BU2090)
DSP SCKO/DSP MISOO DATA/CLK D741~D752
DSP MOSIO Relay Cont.
96kHz 24Bit CODEC & DAC Power RLY/SP. A,B RLY
4. Microcomputer : MN101C49XXX (X14, IC90)
· While holding down the "BAND" key, plugged in the
· Initialized and cancel the test mode if plugged out the
X08, IC4(AK4529-VO) Center RLY
CODEC CDIN/CODEC PDN Surr. RLY/Tap RLY
CODEC CCLK/CODEC CS Encoder(X14)
CODEC OVR Microcomputer Multi Cont.(S762)
Audio Serial data (IN/OUT) Listen Mode(S761)
MN101C49XXX
96kHz 24Bit DIR Volume Cont.(S763)
X08, IC2(AK4112BVF) X14
DIR CDIN/DIR CDOUT AD Key (1~4)
DIR CCLKDIR PDN/DIR ERF PROTECTION
Key
Mute Cont. Protection (1,2)
MUTE
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
SB MUTE/SURR MUTE
Key
A.MUTE/T MUTE/6dB ATT SB/SW Switch IC
20dB ATT/V MUTE/CV MUTE X09, IC5 X09, IC4
SV MUTE SB/SW SB/SW
SPEAKER EQ.
System Control Sel. PRE AMP
CIRCUIT DESCRIPTION
X08, J800
S DATA/S BUSY X701
Input Sel. & E. Volume OSC According to Models or Destination
X09, IC12(M61516FP) 8.38MHz
3-3-1 TUNER mute on/off
VOL.DT/VOL.CLK AM/FM IF MPX IC(TUNER ASSY)
RF ON
VOL ST CLK /DATA IC1(LA1837M
Display
RF OFF
TUNER DEST
Model Type (1, 0) RDS Demodulator DO/DI/CK/CE SD/ STEREO
Channel Space Destination X14, IC81(BU1923) S.LEVEL
X08, S800 E/T Type only PLL(TUNER ASSY)
TUNER mute on/off
3-3 Contents of the Test Mode
M Type only
Function
IC2(LC72131M)
3-3-2 RF ON/RF OFF (VR-6060/6070 only)
Set up RF ON.
Set up RF OFF.
Function
· The key is functioning when selector is set to TUNER.
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
CIRCUIT DESCRIPTION
4-2Pin Description for Microcomputer : MN101C49XXX (X14, IC90)
Pin No. Pin Name I/O Pin Description
1 VREF- - Connected to ground.
2 T DEST I Discrimination pin for tuner destination.
3 DET1 I Detection pin of output level for FL/FR.
4 DET2 I Detection pin of output level for SL/SR and Center.
5 S LEVEL I Input pin of FM S meter level.
6~9 AD KEY GET(1~4) I A/D key (1~4) input.
10 VREF+ - A/D reference voltage.
11 VDD - Power supply (+5V) for microcomputer.
12 OSC2 O Main clock output (8.388MHz).
13 OSC1 I Main clock input (8.388MHz).
14 VSS - Connected to be ground.
15 XI - Connected to be ground.
16 XO - Unused.
17 MMOD - Memory mode switch input pin (unused).
18 FL DIN O Transfer data output to FL driver.
19 FL CS O Chip enable output to FL driver.
20 FL CLK O Synchronism clock output to FL driver.
21 FL RESET O System reset signal output to FL driver.
22 IR SW O Switching pin for IR/RF.
23 RF CS O Chip select output to PLL of RF-RC demodulator.
24 RF DATA O Data output to PLL of RF-RC demodulator.
25 RF CLK O Clock output to PLL of RF-RC demodulator.
26 REM I I Remote control signal input 1(Front panel).
27 REM 0 I Remote control signal input 1(Rear panel).
28 DIR ERF I Detection pin for DIR ERROR signal.
29 DSP INTREQ I Detection pin for DSP INTREQ.
30 CE2/RDS CLK I Clock input of RDS demodulator IC.
31 CE1 I Detection pin for DSP INTREQ.
32 N.C. - Unused.
33 RESET I Reset signal input for microcomputer.
34 S BUSY I/O Serial busy signal input/output.
35 S DATA I/O Serial data signal input/output.
36 DSP RESET O Reset signal output to DSP.
37 CODEC OVR I Analog overflow detection pin.
38 CODEC PDN O Power down mode pin for CDDEC.
39 DIR PDN O Power down mode pin for DIR.
40 AK CS O Chip select output to DIR (X08, IC2).
41 N.C. - Unused.
42 AK CDTI O Control data output to DIR (X08, IC2).
43 DIR CDTO I Control data input from DAC (X08, IC4).
44 AK CLK O Clock output to DIR (X08, IC2).
45 DSP MOSIO O Data output pin to DSP (X08, IC50).
46 DSP MISOO I Data input pin from DSP (X08, IC50).
47 DSP SCKO O Clock output pin to DSP (X08, IC50).
48 SEL. ST O Strobe 1output to selector IC (X08, IC12).
49 SEL. CLK O Clock output to selector IC (X08, IC12).
50 SEL. DATA O Data output to selector IC (X08, IC12).
51~53 V. CTL 1~3 O Video switch control.
54 SV. MUTE O Mute control to S-video & video selector (X14, IC65).
55 CV. MUTE O Mute control to video selector IC (X25, IC102).
56 STEREO I Stereo signal input from IC1(TUNER ASSY).
57 SD I Synchronized signal detection input.
58 T MUTE O Mute signal output for TUNER.
59 PLL DO I Data input from PLL IC (TUNER ASSY).
6
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Pin Description
60 PLL CLK O Clock output to PLL IC (TUNER ASSY).
61 PLL DIN O Data output to PLL IC (TUNER ASSY).
62 PLL CE O Chip enable output to PLL IC (TUNER ASSY).
63 SURR.MUTE I Mute control for surround.
64 SB PREMUTE O Mute control for SB.
65 SP. A RLY O Relay control for A speaker.
66 C RLY O Relay control for center speaker.
67 SURR.RLY O Relay control for surround speaker.
68 SP. B RLY O Relay control for B speaker.
69 SB SW SELECT O Selection port for SB and SW.
70 VOL SEL. ST O Strobe output to E. volume IC (X09, IC2).
71 VOL. SEL DATA O Data output to E. volume IC (X09, IC2).
72 VOL. SEL CLK O Clock output to E. volume IC (X09, IC2).
73 TAP RLY O Switching port for transformer tap.
74 LIMITER O Power control for A class.
75 DSP CS I CS input port from DSP.
76 CH SPACE/RDS DIN I Data input of RDS demodulator IC.
77 A. MUTE O Audio mute control.
78 PROT2 I Protection signal detection pin for over voltage.
79 PROT1 I Detection pin of protection for shorted supply voltage.
80 P0WER RLY O Control port of power relay.
81 LED DATA O Data output to led driver (X14, IC74).
82 LED CLK O Clock output to led driver (X14, IC74).
83 F AUX LED O LED (F.AUX) control port.
84 TUNER LED O LED (TUNER) control port.
85 STANDBY LED O LED (STANDBY) control port.
86 CS ¿ LED O LED (CS¿) control port.
87 MULTI ENC A I Encoder (Multi control) upward detection.
88 MULTI ENC B I Encoder (Multi control) downward detection.
89 LISTEN ENC A I Encoder (LISTEN MODE) upward detection.
90 LISTEN ENC B I Encoder (LISTEN MODE) downward detection.
91 VOL. ENC A I Encoder (Vol. Cont.) clockwise detection.
92 VOL. ENC B I Encoder (Vol. Cont.) counterclockwise detection.
93 MODEL TYPE 0 I Discrimination port for model type.
94 MODEL TYPE 1 I Discrimination port for model type.
95 DAVSS - Connected to be ground.
96,97 N.C. - Unused.
98 20dB ATT. O 20dB attenuator control.
99 6dB ATT. O 6dB attenuator control.
100 DAVDD - +5V power supply.
5. Key Matrix
Input AD Key Get 1 AD Key Get 2 AD Key Get 3 AD Key Get 4
R (k) Volt (V)
Voltage (V) (Pin 6) (Pin 7) (Pin 8) (Pin9)
0.0 to 1.0