Kenwood KRF-V6200D User manual

This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
AUDIO-VIDEO CONTROL CENTER
KRF-V6200D/V6200D-S
KRF-V7200D/V7200D-S
SERVICE MANUAL © 2007-7 PRINTED IN JAPAN
B53-4014-00 (N/J)127
* Refer to parts list on page 36.
SURROUND BACK
230V~50Hz
SWITCHED
TOTAL 90W
400mA MAX.
TAN
COAXIAL
DVD/6CH
AUX
AM
GND
CD/DVD
REC OUT PLAY IN
DVD
IN
MD/TAPE
REC OUT PLAY IN
VIDEO 1
ANTENNA
FRONT SURROUND
DVD/6CH IN
PLAY IN
CENTER
SUB
WOOFER
VIDEO 2
Y
CB
CR
SUB WOOFER OPTICAL
CD/DVD OPTICAL VIDEO 2
VIDEO 2
IN
MONITOR
OUT
VIDEO 1
IN
DVD
IN DVD IN
VIDEO 2
IN
VIDEO 1
IN
VIDEO 1
OUT
VIDEO 2
IN
MONITOR
OUT MONITOR OUT
R
BROWN
GREEN
CENTER
L
SURROUND
GRAY
R
R
BLUE
LR L
SPEAKER A SPEAKER B
RED
R
WHITE
L
L
AC OUTLETS
SURROUND SPEAKERS(6-167)
FRONT SPEAKERS(6-167)
PRE OUTAUDIO DIGITAL IN
FM 757
COMPONENT VIDEO S-VIDEO VIDEO
SPEAKER A/B/OFF
MULTI CONTROL
VOLUME CONTROL
INPUT SELECTOR
PURE AUDIO MODE USB/AV AUX
LISTEN MODE SET UP BAND AUTO/MONO ACTIVE EQ INPUT MODE
VIDEO L-AUDIO-R USB
PHONES
DOLBY DIGITAL DTS ACTIVE EQ SPEAKERS B PURE AUDIO MODE
Knob
(K29-8591-03): S
(K29-8592-03): B
Panel *
(A60-)
Front glass
(B10-5621-02)
Knob *
(K29-)
Knob
(K29-8589-02): S
(K29-8590-02): B
Phone jack
(E11-0271-05) Knob
(K29-8585-04): S
(K29-8586-04): B
Knob
(K29-8585-04): S
(K29-8586-04): B
Escutcheon
(B07-2749-01): S
(B07-2750-01): B Pin jack
(E63-1388-05)
Rectangular plug
(E59-0849-05)
Tuner assy
(W02-4609-05) Pin jack
(E63-1338-05)
Pin jack
(E63-1417-05)
Pin jack
(E63-1146-15)
Pin jack
(E63-1416-05)
Optical receiving
module
(W02-4652-05)
Pin jack
(E63-1414-05) Cylindrical
receptacle
(E56-0058-05)
Pin jack
(E63-1368-05)
Pin jack
(E63-1371-05)
AC power cord *
(E30-)
Metallic cabinet
(A01-3976-11): S
(A01-3977-11): B
Foot
(J02-1464-03)
Screw terminal
(E70-1018-05+)
Cover
(F07-2037-12)
Screw terminal
(E70-1009-05+)
Screw terminal
(E70-1018-05+)
AC outlet *
(E03-)
Figure is KRF-V7200D/D-S
S: Silver, B: Black

Playable USB device and files
USB device
• Playable USB device
Flash memories and digital audio players which work as
mass-storage-class devices.
The maximum current drain should be no more than
500mA.
• Playable USB device file system
FAT16, FAT32
• Applicable memory
FAT32 : 256MB or larger
FAT16 : 128MB or larger
• Subclass
SCSI
• Limitation of structure for the file and the folder
Maximum number of directory levels: 8
Maximum number of folders: 700
Maximum number of files: 65535
Notes:
• Take backups of the audio files used with this unit. The
files can be erased depending on the operating conditions
of the USB device.
We shall have no compensation for any damage arising
out of erasure of the stored data.
• Using an unsupported USB device can result in abnormal
playback or display of the audio file.
Even if you use the USB device conforming to the above
specs, audio files cannot be played normally depending on
the type or condition of the USB device.
Audio file
• Playable Audio file
MP3 (.mp3), WMA (.wma), AAC (.m4a)
• Playable MP3 file
Format: MPEG 1 Audio Layer 3,
MPEG 2 AUDIO LSF (Low Sampling
Frequency) Layer 3
Extensions: ".mp3"
Transfer bit rate (MPEG 1 Audio Layer 3):
32/40/48/56/64/80/96/112/128/160/
192/224/256/320kbps/VBR
Transfer bit rate (MPEG 2 Audio LSF Layer 3):
8/16/24/32/40/48/56/64/80/96/112/
128/144/160kbps/VBR
Sampling frequency (MPEG 1 Audio Layer 3):
32/44.1/48kHz
Sampling frequency (MPEG 2 Audio LSF Layer 3):
16/22.05/24kHz
• Playable WMA file
Format: The file in accordance with Windows
Media Audio 9.2
Extensions: ".wma"
Transfer bit rate: (CBR) 48-320kbps,
(VBR) Peak 384 kbps
Sampling frequency: 32/44.1/48kHz
• Playable AAC file
Format: MPEG-4/AAC LC (Low Complexity),
MPEG-2/AAC LC (Low Complexity).
Extensions: ".m4a"
Transfer bit rate: 8-320kbps
Sampling frequency: 8/11.025/12/16/22.05/24/32/44.1/48
kHz
2
KRF-V6200D/V7200D
ACCESSORIES / CAUTIONS
Accessories
Cautions
Information on Disposal of Old Electrical
and Electronic Equipment (applicable for EU
countries that have adopted separate waste
collection systems)
Products with the symbol (crossed-out wheeled
bin) cannot be disposed as household waste.
Old electrical and electronic equipment should
be recycled at a facility capable of handling
these items and their waste by products.
Contact your local authority for details in locating a
recycle facility nearest to you.
Proper recycling and waste disposal will help conserve
resources whilst preventing detrimental effects on our
health and the environment.
FM indoor antenna (1)
(T90-0877-05)
AM loop antenna (1)
(T90-0893-05)
Remote control unit (1)
RC-R0732
(A70-1720-05)
Batteries (R03) (2)
(-)

Notes:
• WMA files which cannot be played with this unit:
– WMA 9 series Professional
– WMA 9 series Voice
– WMA 9 series Lossless
– WMA file which contains video
• The files with copy protection cannot be played.
• The unit may not be compatible with upgrade of
compression format standard and additional specifications.
• This unit can display the following versions of ID3 tag:
version 1.0/ 1.1/ 2.2/ 2.3
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 factor. If this happens, execute the following
procedure to reset the microcomputer and return the unit to
its normal operating condition.
While holding down [ ] key on the unit, unplug the
power cord and plug it back in.
• Please note that resetting the microcomputer will clear the
contents of the memory and return the unit to the state it
was in when it left the factory.
Memory back up function
Please note that the following items will be deleted from the
unit's memory if the power cord is disconnected from the AC
outlet for approximately 1 day.
• Input selector settings
• Volume level
• BASS, TREBLE, INPUT level
• TONE ON/OFF
• ACTIVE EQ mode
• Dimmer level
• Speaker settings
• Sound Adjustment (Input level, Midnight mode,
Panorama mode, Dimension mode, Center Width mode)
• Listen mode setting
• Tuner setting
3
KRF-V6200D/V7200D
CAUTIONS

4
KRF-V6200D/V7200D
BLOCK DIAGRAM
DSP
IC501 (X08)
COAX.
DVD/6ch
CD/DVD
OPT.
VIDEO2
OPT.
CODEC
(X08)
IC401
DIGITAL
INPUT
-20dBFs
(X08)
J595
A592
(X08)
A591
(X08)
IC71 (X08)
IC31 (X08)
IC51 (X08)
IC11 (X08)
FL,FR
SW
SL,SR
SBL,SBR
MD/TAPE J301 (X08)
VIDEO1 J311 (X08)
TUNER
UNIT
(W02-4609)
CD/DVD J301 (X08)
MD/TAPE J311 (X08)
VIDEO1 J311 (X08)
VIDEO2 J331 (X08)
AUX J301 (X08)
FRONT J302 (X14)
J331 (X08)
SW
SL,SR
CENTER
FL,FR
J341 (X08)
J331 (X08)
J341 (X08)
ANTENNA
AUX
550mV
DVD/6ch
ANALOG
INPUT
OUTPUT
ANALOG
DIGITAL REC
IC151 (X08) E VOLUME
BUFFER
BUFFER BUFFER
ATT
TONE
CENTER
SL,SR
SW
FL,FR
MUTE
Q7,8 (X09) 0dB
POWER AMP
IC1/2 (X09)
Q3,4 (X09)
MUTE
0dB
MUTE
Q101 (X09) 0dB
Q5,6 (X09)
MUTE
Q7,8 (X09)
MUTE
0dB
0dB
PHONES
HP RLY
J901 (X14)
IC101 (X08)
PRE OUT
J371 (X08)
(X08)
20dB MUTE
PROTECTION CCT
TACT SWITCH
RDS
TUNER + MUTING
STANDBY LED + SW
RESET. CE CCT
IR MODULE
ROTARY ENCODERS
LED DRIVER
LED
TYPE + DEST
MAIN u-COM
IC601 (X08)
DSP UNIT
CODEC & DIR
DSP & MEMORY
AUTO DIG. SW.
SYSTEM CONTROL
DE EMPHASIS SW. REMOTE CONTROL CCT
FAN CONTROL
VIDEO IC + MUTING
SYSTEM IC
PACK CONTROL
SURR RELAY CONTROL
SP RELAY CONTROL
DETECTOR
DOT MATRIX
DISPLAY DRIVER
ANALOG MUTE + LIM.
IC602 (X14)
SELECTOR
COMPOSITE
VIDEO1
VIDEO2
DVD
AV-AUX
VIDEO1
MONITOR
COMPOSITE
VIDEO IN
COMPOSITE
VIDEO OUT
J601 (X14)
J602 (X14)
RELAY
K201 (X14)
FUSE
F201 (X14)
D501 (X09)
D502-505 (X09)
+12V AVR
IC3 (X09)
-12V AVR
IC4 (X09)
+5V AVR
IC871 (X08)
D205-208 (X14)
u-COM. SERIAL CTRL
IC815 (X08)
+2.5V AVR
D510 (X09)
DSP
DSP. MEMORY. CODEC
+3.5V AVR
IC811 (X08)
DIR. LEVEL SHIFTERS
+5V AVR
IC801 (X08)
LED DRIVER. RDS+5V AVR
IC805 (X08)
USB
+5V AVR
IC5 (X09)
u-COM,DISPLAY DRIVER
POWER AMP
A-CLASS,CONFIG,LPF,
PRE-AMP, TUNER PACK
+7V AVR
Q831 (X08)
-7V AVR
Q832 (X08) E. VOLUME
Q407 (X14)
(S. COMPONENT)
VIDEO IC
-30V AVR
Q501 (X09)
-20V AVR
Q504 (X09)
FAN
FL
(X14)
T201
AC IN
+5V
DIVIDER
K1 (X09)
IC51 (X08)
CENTER
SBL,SBR
K4 (X09)
J7 (X09)
CENTER
K2 (X09)
J5 (X09)
A SPEAKER
Q201-220
IC1 (X09)
IC1/2 (X09)
K2 (X09)
J5 (X09)
A SPEAKER
K5 (X09)
SURROUND
J7 (X09)
IC1/2 (X09)
K6 (X09)
J8 (X08)
SURROUND
BACK
20dB
IC111 (X08)
MUTE
J361 (X08)
SW 1V
Q371-374
(X08)
Q361,363
DECODER
MP3
WMA
HOST
USB DAC
IC900 (X08)
JACK
J990 (X08)
S-VIDEO
IN
Y
SELECTOR
IC501 (X14)
J501 (X14)
VIDEO2
DVD
J501 (X14)
MONITOR
OUT
S-VIDEO
SELECTOR
IC502 (X14)
C
COMPONENT
Cr
Cb
IC701 (X14)
J701 (X14)
VIDEO2
VIDEO1
Y
MONITOR
J702 (X14)
DVD
J702 (X14)
F202 (X14)
FUSE
OUTLET
AC
J201/202
(X14)
IC401 (X14)
IC402 (X14) (COMPOSITE)
VIDEO IC
SW
PURE MODE
PURE MODE
SW
D601 (X09)
D802 (X14)
D801 (X14)
K801
POWER AMP
SUMMING
IC91
TONE
ON/OFF
AUDIO MUTE
SBL/SBR 1V
+8.5V AVR
-5V AVR
J501 (X14)
J701 (X14)
K3 (X09)
J6 (X09)
B SPEAKER
J302 (X14)
D-IN
D-IN
D-IN A-IN
5V 5V 5V
H
L
H
L
+++++ ++
POWER SUPPLY
u-COM CONTROLS
VIDEO SIGNAL
AUDIO SIGNAL
KRF-V7200D ONLY
KRF-V6200D ONLY
KRF-V7200D ONLY
KRF-V6200D ONLY
USB
KRF-V7200D ONLY
KRF-V6200D ONLY

5
KRF-V6200D/V7200D
CIRCUIT DESCRIPTION
●MN101E16K: Microprocessor (IC601: X08) Port Descriptions
Port No. Port Name I/O Explanations Logic
1 RTS_USB O USB IC reset
2 PULSE_USB O USB IC pulse
3 CE1 O Chip enable
4 FL_DIN O FL Driver DATA input
5 FL_DO I FL Driver DATA output
6 FL_CLK O FL Driver CLOCK
7 RLY_STB O Relay control IC strobe
8 FL_STB O FL Driver strobe
9 -6dB_ATT O -6dB ATT
10 RLY_CLR O Relay control IC CLR
11 MMOD I Memory Mode selective port
12 OSC2 O Clock input
13 OSC1 I Clock output
14 Vss - Power supply
15 XI I Clock input (NO USED)
16 XO O Clock output (NO USED)
17 Vdd33 - Microprocessor power supply port
18 Vdd18 - Microprocessor power supply port
19 RESET I Reset port
20 LED5 (PURE MODE) O PURE AUDIO MODE led
21 LED4 (DTS) O DTS led
22 LED3 (DOLBY) O DOLBY DIGITAL led
23 LED2 (ACTIVE EQ) O ACTIVE EQ led
24 LED6 (SPB) O SPEAKER B led
25 REMOCON I Remote control input (Interrupt)
26 RDS_CLK I RDS CLOCK input (Interrupt)
27 RDS_DATA I RDS DATA input
28 CODEC_INT I DIR ERROR detection input (Interrupt)
29 DIGITAL_DET I DIGITAL DETECT input
30 DSP_INTREQ I DSP Interrupt Request input
31 SBO2_USB I USB IC DATA output
32 SBI2_USB O USB IC DATA input
33 SCKB_USB O USB IC CLOCK
34 DSP/CODEC_SCDIN O DSP/DIR/CODEC IC DATA input
35
DSP/CODEC_SCDOUT I DSP/DIR/CODEC IC DATA output
36 DSP/CODEC_SCCLK O DSP/DIR/CODEC IC CLOCK
37 Vdd18 - Power supply
38 A_MUTE O Audio mute
39 Vss - Power supply
40 LIMITER O Limiter

6
KRF-V6200D/V7200D
CIRCUIT DESCRIPTION
Port No. Port Name I/O Explanations Logic
41 FAN_CONT O FAN control
42 AMP_PROT I AMP protection
43 AVR_PROT I AVR protection
44 POWER_KEY I POWER KEY
45 BAND_KEY I BAND KEY
46 RLY_DATA O Relay control IC data
47 RLY_CLK O Relay control IC clock
48 RESET_USB O USB IC reset
49 STBY_USB O USB UC standby
50 POCINT_USB I USB over-current check port
51 DIR_PDN O DIR power down
52 F.AUX_KEY I AV AUX key input
53 VOL_ENC_A I Volume encoder A
54 VOL_ENC_B I Volume encoder B
55 DIST I Model type
56 STEREO O TUNER STEREO DETECT
57 SD I TUNER SIGNAL DETECT
58 T_MUTE O TUMER MUTE
59 PLL_DO I TUNER PLL IC DATA out
60 PLL_CLK O TUNER PLL IC CLOCK
61 PLL_DIN O TUNER PLL IC DATA in
62 PLL_CE O TUNER PLL IC CHIP ENABLE
63 Vss - Power supply
64 VOL_SEL_DATA O VOLUME IC DATA
65 VOL_SEL_CLK O VOLUME IC CLOCK
66 SEL_DATA O SELECTOR IC DATA
67 SEL_CLK O SELECTOR IC CLOCK
68 SEL_STB O SELECTOR IC STROBE
69 LED 1(STANDBY) O STANDBY led
70 CODEC_CS O DIR/CODEC CS
71 CODEC_DVF O CODEC DVF
72 CODEC_PDN O CODEC POWER DOWN
73 DSP_PD O DSP POWER DOWN
74 DSP_CS O DSP CS
75 EEPROM DATA I/O EEPROM DATA
76 EEPROM CLK O EEPROM CLOCK
77 S.DATA I/O SL16 DATA
78 S.BUSY I/O SL16 BUSY
79 V_CTRL1 O VIDEO CONTROL 1
80 V_CTRL2 O VIDEO CONTROL 2
81 V_CTRL3 O VIDEO CONTROL 3

7
KRF-V6200D/V7200D
Port No. Port Name I/O Explanations Logic
82 V_MUTE O VIDEO MUTE
83 PURE O PURE AUDIO MODE (video on/off)
84 POWER_RLY O POWER RELAY
85 ENC_A1 I SELECTOR ENC INPUT A
86 ENC_A2 I SELECTOR ENC INPUT B
87 CTS_USB I USB IC CTS
88 ENC_B1 I MULTI CONTROL ENC INPUT A
89 Vdd5 - Power supply
90 ENC_B2 I MULTI CONTROL ENC INPUT B
91 Vss - Power supply
92 TH_DET D1 I Thermal sensor protection detection 1 A/D
93 TH_DET PACK I Signal Level Protection detection Pack A/D
94 FAN LEVEL I FAN level A/D
95 TH_DET LR I Thermal sensor detection L/R A/D
96 TH_DET D2 I Thermal sensor protection detection 2 A/D
97 DET_S I Signal Level Protection detection Surround A/D
98 TH_HIGHTAP I Signal Level Protection detection HIGH tap A/D
99 S-LEVEL I RDS SIGNAL LEVEL detection A/D
100 Vref+ - A/D converter's reference voltage
*book referred to maker's semiconductor handbook
●AK4628A: CODEC (IC401: X08) Port Descriptions
Port No. Port Name I/O Explanations Logic
1 SODS I SDTO Source Select port.
SDOS port should be set to “L” when TDM-“1”
L: Internal ADC output,
H: DAUX input.
2 I2C I Control Mode Selection port. L: 3-Bus Serial, H: I2C Bus.
3 SMUTE I Soft Mute port.
When this port goes to “H”, soft mute cycle is initialized.
When returning to “L”, the output mute releases.
4 BICK I Audio Serial Data Clock port. -
5 LRCK I Input Channel Clock port. -
6 SDTI1 I DAC1 Audio Serial Data Input port. -
7 SDTI2 I DAC2 Audio Serial Data Input port. -
8 SDTI3 I DAC3 Audio Serial Data Input port. -
9 SDTO O Audio Serial Data Output port. -
10 DAUX I AUX Audio Serial Data Input port. -
11 DFS0 I Double Speed Sampling Mode port. L: Normal Speed, H: Double Speed.
12 SDTI4 I DAC4 Audio Serial Data Input port. -
13 DZFE I Zero input Detect Enable port.
L: mode 7(disable) at parallel mode, zero detect
mode is selectable by DZFM3-0 bits at serial mode.
H: mode 0 (DZF1 is AND of is AND of all eight
channels.)
14 TVDD - Output Buffer Power Supply port, 2.7-5.5V. -
15 DVDD - Digital Power Supply Port, 4.5 -5.5V. -
16 DVSS - Digital Ground. -
CIRCUIT DESCRIPTION

8
KRF-V6200D/V7200D
Port No. Port Name I/O Explanations Logic
17 PDN I Power-Down and Reset port.
When “L”, the AK4628A is powered-down and the
control registers are reset to default state.
If the state of P/S or CAD1-0 changes, then the
AK4628A must be reset by PDN.
18 TST1 I Test port.
This port should be connected to DVSS. -
19 CSD1 I Chip Address-1 port. -
20 CAD0 I Chip Address-0 port. -
21 LOUT4 O DAC4 L-ch Analog Output port. -
22 ROUT4 O DAC4 R-ch Analog Output port. -
23 LOUT3 O DAC3 L-ch Analog Output port. -
24 ROUT3 O DAC3 R-ch Analog Output port. -
25 LOUT2 O DAC2 L-ch Analog Output port. -
26 ROUT2 O DAC2 R-ch Analog Output port. -
27 LOUT1 O DAC1 L-ch Analog Output port. -
28 ROUT 1 O DAC1 R-ch Analog Output port. -
29 TST2 I Test port. This port should be left floating or
connected to AVSS. -
30 NC - No Connect. -
31 LIN I L-ch Analog Input port. -
32 RIN I R-ch Analog Input port. -
33 DZF2 O Zero Input Detect 2-port.
When the input data of the group 1 follow total 8192
LRCK cycles with “0” input data, this port goes to “H”.
And when RSTN bit is “0”, PWDAN port is “0”, this
port goes to “H”. It always is in “L” when P/S is “H”.
34 VCOM O
Common Voltage Output port, AVDD/2.
Large external capacitor 2.2uF is used to
reduce power-supply noise.
-
35 VREFH I Positive Voltage Reference Input port, AVDD. -
36 AVDD - Analog Power Supply port, 4.5-5.5V. -
37 AVSS - Analog Ground port, 0V. -
38 DZF1 O Zero Input Detect 1-port.
When the input data of the group 1 follow total 8192
LRCK cycles with “0” input data, this port goes to “H”.
And when RSTN bit is “0”, PWDAN port is “0”, this
port goes to “H”. Output is selected by setting DZFE
port when P/S is “H”.
39 MCLK I Master Clock Input port. -
40 P/S I Parallel/Serial Selection port. L: Serial control mode, H: Parallel control mode.
41 DIF0 I Audio data Interface Format 0 port in parallel
control mode. -
42 DIF1 I Audio data Interface Format 1 port in parallel
control mode. -
43 LOOP0 I
Loopback Mode 0 port in parallel control mode.
Enable digital loop-back from ADC to 4DACs .-
44 TDM0 I TDM I/F Format Mode port. L: Normal mode, H: TDM mode.
CIRCUIT DESCRIPTION

9
KRF-V6200D/V7200D
●AK4114VQ: Digital Audio Transceiver (IC402: X08) Port Descriptions
Port No. Port Name I/O Explanations Logic
1 RX4 I Receiving channel #4 port.
2 NC I Connected to GND.
3 RX5 I Receiving channel #5 port.
4 TEST2 I Connected to GND.
5 RX6 I Receiving channel #6 port.
6 NC I Connected to GND.
7 RX7 I Receiving channel #7 port.
8 IIC I IIC selector port. H: IIC, L: 4 bus serial mode.
9 P/SN I Parallel/Serial selector port. H: Parallel, L: Serial.
10 XTL0 I Crystal frequency selector #0 port.
11 XTL1 I Crystal frequency selector #1 port.
12 VIN I V bit input port for transmitting.
13 TVDD I Power supply for I/O.
14 NC I Connected to GND.
15 TX0 O Transmitting channel #0 output port.
16 TX1 O
Transmitting channel #1 (through data) output port.
Transmitting channel (DAUX data) output port.
TX bit=“0”
TX bit= “1”: Default
17 BOUT O Block Start output port for receiving. H: period in 40 flame from start.
18 COUT O C bit output port for receiving
19 UOUT O U bit output port for receiving
20 VOUT O V bit output port for receiving
21 DVDD I Power supply for digital.
22 DVSS I Ground for digital.
23 MCKO1 O Master clock output port #1.
24 LRCK I/O Channel clock port.
25 SDTO O Audio serial data output port.
26 BICK I/O Audio serial data clock port.
27 MCKO2 O Master clock output port #2.
28 DAUX I Auxiliary audio serial data input port.
29 XTO O Crystal output port.
30 XT1 I Crystal input port.
31 PDN I Power supply down and reset port. L: Power down mode and all output ports are “L”.
Initialize register.
32 CDTO O Control data output port.
33 CDTI I Control data input port.
34 CCLK I Control data clock input port.
35 CSN I Chip selector port.
36 INT0 O Interruption #0 port.
37 INT1 O Interruption #1 port.
38 AVDD I Power supply for analog circuitry.
39 R - External resistor connection port.
CIRCUIT DESCRIPTION

10
KRF-V6200D/V7200D
Port No. Port Name I/O Explanations Logic
40 VOM - Common voltage output port.
41 AVSS3 I Analog ground port.
42 RX0 I Receiving channel #0 port.
43 NC I Connected to GND.
44 RX1 I Receiving channel #1 port.
45 TEST1 I Connected to GND.
46 RX2 I Receiving channel #2 port.
47 NC I Connected to GND.
48 RX3 I Receiving channel #3 port.
*book referred to maker's semiconductor handbook
●uPD63901: USB Control (IC900: X08) Port Descriptions
Port No. Port Name I/O Explanations Logic
1 USBXTAL I 48MHz Internal Oscillation port.
2 /USBXTAL O 48MHz Internal Oscillation port.
3 GNDQ - USB Ground.
4 DM I/O USB's Plus Data.
5 DP I/O USB's Minus Data.
6 VDDQ - USB's Power Supply.
7~12 N.C. - Open.
13 ADC.VDD - Analog Power Supply.
14 ADC.GND - Analog Ground.
15 GND - -
16 /RESET I Reset port for Control Engine Core.
17 N.C. - Open.
18 P03 I/O Port 03. RTS Control.
19 INTP1 I Maskable Interruption port.
20~33 N.C. - Open.
34 P50 I/O Port 50. CTS Control.
35 N.C. - Open.
36 PULSE O Pulse Output port for Operation.
37 SIB2 I 3-bus Serial Data Input port.
38 SOB2 O 3-bus Serial Data Output port.
39 SCKB2 I/O 3-bus Serial Clock Input port.
40~42 N.C. - Open.
43 OCI I USB's Over Current Condition Input port.
44 PPON O USB's Current Control Output port.
45 TEST I Test port.
46 /STANDBY I Standby port.
47 REGS -
External Capacitor Connection port for Standby.
48 C.VDD - Power Supply for Control Engine Core.
49 C.GND - Ground for Control Engine Core.
CIRCUIT DESCRIPTION

11
KRF-V6200D/V7200D
Port No. Port Name I/O Explanations Logic
50 XTAL I Crystal Connection port.
51 X. GND - Ground Connection for Crystal.
52 /XTAL O Crystal Connection port.
53 X.VDD - Ground Connection for Crystal.
54 DA.VDD - Power Supply for DAC.
55 LOUT O Audio L-ch Output.
56 DA.GND - Ground for DAC.
57 REGC -
External Capacitor Connection port for Band Gap.
58 DA.GND - Ground for DAC.
59 ROUT O Audio R-ch Output.
60 DA.VDD - Power Supply for DAC.
61 D.GND - Ground for Digital Circuitry.
62 D.VDD - Power Supply for Digital Circuitry.
63 REG16 - External Capacitor Connection port for 1.6V
regulator.
64 LRCK O 3-Bus Audio Output.
65 SCKO O 3-Bus Audio Output.
66 DOUT O 3-Bus Audio Output.
67~70 USBMON0-3 I/O Monitor Output.
71 C33M O DRAM Clock.
72 /RCS O DRAM CS.
73 CKE O DRAM CKE Output.
74 /RAS O DRAM RAS Output.
75 /CAS0 O DRAM Lower CAS.
76 /CAS1 O DRAM Upper CAS.
77 /WE O DRAM WE Output.
78 /OE O DRAM OE Output.
79~94 RDB0-15 I/O DRAM Data 0-15 I/O port.
95 IO.GND - Ground Connection for I/O port.
96 IO.VDD - Power Supply for I/O port.
97~108 RA0-11 O DRAM Address 0-11 Output.
109~115 N.C. - Open.
116 A.VDD - Power Supply for Analog Circuitry.
117 A.GND - Ground for Analog Circuitry.
118~126 N.C. - Open.
127 A.VDD - Power Supply for Analog Circuitry.
128 A.GND - Ground for Analog Circuitry.
129~142 N.C. - Open.
143 A.VDD - Power Supply for Analog Circuitry.
144 A.GND - Ground for Analog Circuitry.
CIRCUIT DESCRIPTION

12
KRF-V6200D/V7200D
●NJU3713AV: 12 Bit Serial-Parallel Converter (IC750: X08) Port Descriptions
Port No. Port Name I/O Explanations Logic
1~4 P5-8 O Parallel converted data output port.
5 Vss - GND
6 NC - Non connection
7~10 P9-12 O Parallel converted data output port.
11 DATA I Serial data input port.
12 CLK I Clock signal input port.
13 /STB I Strove signal input port.
14 /CLK I Clear signal input port.
15 NC - Non connection
16~19 P1-4 O Parallel converted data output port.
20 Vdd - Power supply.
*book referred to maker's semiconductor handbook
●CS493263-CLZ (IC501: X08) Port Description
Pin No. Pin Name I/O Description
1 VD1 - Power supply for digital circuit (+2.5V)
2 DGND1 - Ground for digital circuit
3 AUDATA3 O Digital audio output port-3
4 /WR I This port serves as the active-low data-write-input strobe.
5 /RD - This port serves as the active-low data bus enable.
6 A1 I Host parallel address bit one
7 A0 I Host parallel address bit zero
8~11 DATA7~DATA4 - Pulled up
12 VD12 - Power supply for digital circuit (+2.5V)
13 DGND2 - Ground for digital circuit
14~17 DATA3~DATA0 - Pulled up
18 /CS Host parallel chip selector
19 SCDIO I/O Serial control port data input and output
20 /ABOOT O Control port automatic boot enable
21 /EXTMEM O External memory chip selector port
22 SDATAN1 I PCM audio data input port-1
23 VD3 - Power supply for digital circuit (+2.5V)
24 DGND3 - Ground for digital circuit
25 SCLKN1 I PCM audio input bit clock
26 LRCLKN1 I PCM audio input sampling rate clock
27 CMPDAT I The compressed data input port when the CDI is configured for bursty delivery
28 CMPCLK I PCM audio input bit clock
29 CMPREQ I PCM audio input sampling rate clock
30 CLKIN I Master clock input port
31 CLKSEL I DSP clock selector
32 FILT2 - External filter for PLL
CIRCUIT DESCRIPTION

13
KRF-V6200D/V7200D
Pin No. Pin Name I/O Description
33 FILT1 - External filter for PLL
34 VA - Power supply for clock generator (+2.5V)
35 AGND - Ground for PLL of clock generator
36 /RESET I Master reset input port
37 DD - Pulled up
38 DC - Pulled up
39 AUDATA2 O Digital audio output port-2
40 AUDATA1 O Digital audio output port-1
41 AUDATA0 O Digital audio output port-0
42 LRCLK I/O Audio output sampling rate clock
43 SCLK I Audio output bit clock
44 MCLK I/O Audio master clock
*book referred to maker's semiconductor handbook
●LC72725KV (IC761: X08) Port Description
Pin No. Pin Name I/O Description
1 RDS-ID/READY O RDS-ID/READY output
2 RDDA O RDS data output
3 Vref O Standard voltage output (Vdda/2)
4 MPXIN I Base band (MPX) input
5 Vdda - Analog power supply (+3V)
6 Vssa - Analog gnd.
7 FLOUT O Sub carrier output (Filter output)
8 CIN I Sub carrier input (Comparator input)
9 TEST I Test signal input
10 MODE I Read mode setting (0: master, 1: slave)
11 Vssd - Digital gnd.
12 Vddd - Digital power supply (+3V)
13 XIN I Crystal oscillator input (External standard signal input)
14 XOUT O Crystal oscillator output (4.332MHz)
15 RST I RDS-ID/RAM reset
16 RDCL I/O RDS clock output (master), RDS clock input (slave)
*book referred to maker's semiconductor handbook
No ITEM INPUT SETTING OUTPUT SETTING RECEIVER
SETTING ALIGNMENT POINT ALIGNMENT SETTING FIG.
1IDLE CURRENT
(BIAS CURRENT) No Signal
Connect VOM to
CN7 (L-ch) or
CN6 (R-ch)
X09-703
VOLUME:
Minimum
VR3 (L-ch)
VR4 (R-ch)
X09-703
17.6mV
2 OFFSET No Signal Speaker terminals VOLUME:
Minimum
VR1 (L-ch)
VR2 (R-ch)
X09-703
0+-20mV
Adjust every potentiometers 10 minutes later after turning on.
ADJUSTMENT
CIRCUIT DESCRIPTION / ADJUSTMENT

14
KRF-V6200D/V7200D
ABCDE
1
2
3
4
5
6
7
PC BOARD
X08-3492-71 A/2 (J75-0117-01) (SIDE A)
C79
C95
C80
C96
R865
C716
R624
C117
C861
R863
C116
R864
C773 C774
R771
C751R751
R747
29 1 27
26
28 2
R746
C128
C154
C158
C165
C166
C862
R161
R162
R745
C602
C741
C742
C743
R740
R634
C91
C92
C113
C115
C176 R174
C172
C174
R176
C161
C162
C163
C164
X901
C761
C762
R
6
R91
R92
R93
R94
R95
R96
R755
R114
R126
R127
R152
R153
R201
R202
R753
R754
R623
R625
R627
R629
R632
R635
R637
R638
R639
R700
R641
R643
R644
R648
R649
R652
R654
R656
R636
R658
R651
R660
R662
R665
R666
R667
R668
R669
R739
R738
R698
R696
R697
R699
R702 R704
R741
R742
R743
R744
R761
R841
R862
R714
R715
R716
R600
R686
R900
R904
R915
R917
R903
R926
R914
R925
R923
R905
R918
R919
R752
C902
C903
C910
C918
C921
C932
C750
C906
C923
C925
C926
C929
L900
L901
L902
L903
L907
L908
L909
L910
L906
R929
R932
C938
C900
C901
C907
C908
R735
R954
R906
R907
R908
R931
R980
R750
R911
R912
R961
R910
C913
C943
C944
C980
C931
X900
R928
R939
R940
R172
C863
R842
C838
R843
C839
R844
C954
C956
R186
R184
C182
C184
C186
R182
R888
R956
R958
R953
C118
R133
C133
R136
C131 C135
R135
R134
C132
C134
C136
R132
R131
C953
R957
C955
R955
C948
C947
C981
R981
C752
25
51
26
50
1
10
20
11
144
1
109
72
37
36
108
73
5
81
4
85
41
1
111
121
115
214
4
58
14
58
18
916
1
4
8
5
124
6441
80
65
25
40
58
14
58
14
14
58
14
58
30 16
151
17
148
31
I
G
51
21
O
1
3
6
4
1
3
5
4
R193 C193 R185 R181
C181
C185
C191C195
R195
R191
R183 C183
R175 R171
C171
C175
C173
R173
R151
C153
BE
BE
USB
U-COM
C833
C835
C836
C834
C714
C837
C712
C772
C873
C71
C72
C101
C102
C105
C106
C111
C114
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C214
C215
C216
C217
C218
C221
C222
C223
C224
C225
C226
C227
C228
C231
C232
C234
C235
C236
C241
C242
C243
X761
C909
C911
C922
C924
C927
C914
C919
C930
C939
C941
C915
C905
C920
C946
C945
C220
C219
EB
BE
D601
D900
D901
D980
D902
Q838
Q837
E1
Q831
Q832
J301 J311 J331 J341
CN151
CN605
CN761
CN960
CN900
CN901
CN602
CN1
CN601
IC6
0
IC71
IC91 IC121
IC151
IC101
IC111
IC761
IC741
IC750
IC171
IC951
IC191
IC181
IC900
IC902
IC903
IC901
IC131
AUX CD/DVD REC OUT PLAY IN
MD/TAPE
REC OUT PLAY IN PLAY IN FRONT SURROUND SUB WOOFER
CENTER
VIDEO 1 VIDEO 2 DVD/6CH IN

15
KRF-V6200D/V7200D
JIHGF
1
2
3
4
5
6
7
X08B/2
C19
C21
C59
C60
R821
R861
C20
R866
R865
C434
R434
C431
C437
C433
C716
C534
R521
R522
C531
R503
C532
R532
C533
C581
R572
R581
C561
R561
R863
R864
C456
C731
R731
C725 R725
27 1
26 2
C128
C453
C862
C501
C503
C504
C505
C555
C571
C882
C883
R423
R502
R518
R634
R826
R883
C811
CP501
CP502
R23
R24
R63
R126
R127
R457
R402
R464
R404
R405
R406
R413
R408
R409
R410
R465 R466
R467
R471
R421
R422
R451 R452
R453
R454
R674
R462
R507
R508
R510
R511
R512
R513
R514
R515
R516
R517
R519
R523
R524
R525
R526
R527
R528
R555
R571
R601
R603
R605 R607
R609 R611
R613 R615
R617
R619
R620
R708
R622
R635
R401
R650 R688
R690
R677
R705
R672
R670
R671
R673
R676
R678
R679
R680
R681
R682 R683
R684 R685
R687
R692
R694
R696
R721
R722
R723
R811
R817
R818
R822
R823
R824
R825
R856
R862
R881
R882
R707
R706
R600
R709
C458
R411
R463
R412
R407
R621
R455
R456
R460
R461
R735
R415
R749
R748
C813
R867
C864
C863
L991
R886 C886
R999
C999
R400
C826
R820
R893
R892
R891
C471
C401
C400
R889
114
87
14
87
1
4
131
91
1
1
51
4
71
IG
BE
EB
O
IGO
1
100
2
5
51 75
76
58
14
58
14
58
14
16
15
18
54
13
54
I
OG
12
11
1
22
4434
23
33
13
54
1
40
44
6
7
28
18
17
2939
121
13
24
48
37
2536
58
41
O
G
I
14
85
BE
BE BE
C454
C435
C457
C432
C455
C593
C436
C853
1
2
C802
C806
C812
C815
C871
C873
C874 C881 X601
C11
C12
C31
C32
C51
C52
2
23
C233
C234
C235
4
3
C244
C361
C371
C372
C421
C422
C502
R815
X551
R803
C816
R816
C54 C56
C991
D862
Q861
D571
D993 D992
D821
Q822
D801
D811
D815 D822
D823
Q821
D864
D861
D826
A591
A592
J341 J361
J371
P1
J595
Q815 Q873
CN871
CN606
CN604
WH990
J990
CN801
CN603
IC501
IC601
IC11
IC31
IC51
IC401
IC571
IC551
IC402
IC731
IC721
IC811
IC815
IC871
IC881
IC991
IC801
IC805
UB WOOFER SUB WOOFER
COAXIAL
DVD/6CH
OPTICAL
CD/DVD
OPTICAL
VIDEO 2
CENTER
PRE OUT
USB
Refer to the schematic diagram for the values
of resistors and capacitors.

16
KRF-V6200D/V7200D
KLMNO
1
2
3
4
5
6
7
R1
R805
R851
R852
R431
R432
R534
R531
R533
R573
R459
R593
R871
R872
C15
C16
C17
C18
C35
C36
C37C38
C55
R880
C57
C58
C345 C346
C347
C362
C373
C374
C375
C376
C441
R736
C851
C852
C616
R11
R12
R19
R20
R31
R32
R39
R40
R51
R52
R59
R60
R347 R348
R362
R373
R374
R819
R855
C451
C452
C459
C423
C424
C438
C552 C553
C554
C595
C601
C605
C608
C715
C801
C805
C877
C878
R470
R424
R441
R595
R602
R604
R606 R608 R610
R612
R614
R616
R618
R873
R878
C13
C14
C33
C34
C53
C551
C596
C803
C807
C819
C872
C614
R13
R14
R15
R16
R17
R18
R21
R22
R33
R34
R35R36
R37
R38
R41
R42
R43
R44
R53
R54
R55
R56
R57
R58
R61
R62
R128
R345
R346
R361
R363
R364
R371
R372
R375
R376
R377
R378
R438
R414
R501
R504
R505
R506
R509
R520
R551
R552
R553
R554
R591
R592
C363
R675
R645
R647
R695
R693
R691
R689
R801
R802
R806
R812
R853
R854
R874
R877
R458
R469
R646
R710
R712
R717
R726 R727
R728 R729
R730
R732 R733
R734
R899
R990
C461
R884
C612
R574
C611
L596
R468
C468
R
8
BE
BE
BE BE
BE
BE
BE BE
BE
D874
D851
Q361
Q371
Q372
D421
D422
D873
Q571
Q871
D595
D871
D872
D875
Q851
D863
D852
D600
Q363
Q373
Q374
X08-3492-71 A/2 (J75-0117-01) (SIDE B)
X08B/2
PC BOARD

17
KRF-V6200D/V7200D
TSRQP
1
2
3
4
5
6
7
R763
R835
R838
R839
R836
C713
R713
C711
R711
C37C38
C57
C58
C75
C76
C77
C78
C93
C94
C112
R239
C301
C302
C303
C304
C305 C306
C307
C308
C311
C312
C313
C314
C315
C316
C317
C318
C321
C322
C323
C324
C331
C332
C333
C334
C337 C338
C341
C342
C343
C344
C345 C346
C347
C348
C351
C352
C355
C356
R71
R72
R79
R80
R101
R102
R105
R106
R112
R115
R123
R124
C239
R303 R304
R307 R308
R313 R314 R317 R318
R323 R324
R333 R334
R337 R338
R343 R344
R
347 R348
R351
R352
R355
R356
R837
C604
C603
C605
C606
C607
C763
C764
R626
R628
R630
R631
R633
R640
R642
C339
C73
C74
C103
C104
C107
C108
C831
C832
R41
R42
R43
R44
R73R74
R75
R76
R77
R78
R81
R82
R83
R84
R97
R98
R103
R104
R113
R121
R122
R128
R301
R302
R305
R306
R311
R312
R315
R316
R321
R322
R331
R332
R335
R336
R341
R342
R345 R346 R353
R354
R357
R358
5
7
R663
R701
R653
R655
R703
R657
R339
R833
R834
R840
R874
R875
R876
R659
R661
R664
R762
C917
C928
C610
C904
C937
C942
L904
L905
R935
R936
R937
R938
R962 R963
R960
6
R933
R934
C609
C933
C934
R717
R718 R719 R720
R724
R996
R997
R998
C951
R831
R832
R913
R916
R920
R921
R922
R924
R927
C916
R902
R901
C912
R240
C240
R930
R885
R382
R381
R384
R383
R386
R388
R387
R385
C177
R845
C120
R120
C119
R119
C229
C230
C319
R319 R309
C309
R204
R203
R206
R205
R207
R177
R178
C178
R951
C952
R952
R948
R947
C950
R950
C949
R949
R887
BE BE
BE
BE
BE
BE BE
SD
G
G
SD
D831
Q836
D873
Q872
Q833
Q834
Q835
D331
Q382
Q381
Q386
Q385
D832
D311
D301
Refer to the schematic diagram for the values of resistors and capacitors.

18
KRF-V6200D/V7200D
UVWXY
1
2
3
4
5
6
7
C603 C527
C605
OG
16
31
12
IOGI
R311
C526
R313
C509
C510
GIO
C39
C42
C43
C46 C109
R524
R526
R269
R270
R314
EB
R317
C5
C7
115
C11
C27
C29
C33
C40
C41
C44
C45 C108
R249
C229
C237
C241
C247
C248
C312
C315
R525
R13
R15
R19
R37
R532
R39
R43
C520
R113
R513
R245
R247
R253
R255
R257
R260
R262
R264
R320
R321
R350
EB EB
EB
BA
K
C
E
E
C
A
BK
R353
R802
R355
R359
R361
R363
R371
R372
R374
R503
R505
R506
R522
R512
TH3
TH4 R801
R514
C1
R515
R504
C2
R4
R804
TH5
BE
BE
BE
SD
GG
B
BE
E
SD
BE
BE
12
BE
BE
BE
D519
Q505
Q317
Q318
Q319
D304
D511
D512
D513
D516
D517
D518
D523
Q502
Q503
D525
Q510
D521
D524
Q509
Q508
D520
IDLE
Lch
IDLE
T.P.
Lch
W220
W23
W44
W106
C602
C503
W11
W26
C504
W8
C511
C512
C13
C16
C35
C38
C107
C501
C502
C522
C523
C524
C525
C517
C604
W115
W12
C14
C15
C36
C37
C106
C505
C506
C507
C508
C513
C514
C515
C516
C518 C519
C601
CP1
W67
W65
K4
K5
K6
L1 L2
L5
L6
W224
W139
R523
R521
W200
W215
W216
R21
R23
R25
R27
R28
R29
3161
17
R30
R45
R47
R49
R51
R52
R53
R54
W217
R110
R111
L7
W93
R501
R502
W81
R508
W100
R510
R511
R517
R518
R519
R520
W63 W59
W2
1
21
91
3
W82
W33
W24
W34
W37
W7
W800
W137
W134
W135
W109
W96
W74
W38
W71
W56
W75
W70
W62
W57
W21
W22
W29
W28
W27
W53
W54
W188
W94
W157
W3
W46
W92
W80
W5
W69
W105
W108
W110
W112
W4
W6
W45
W66
W1
W79
W83
W85
W86
W88
W103
W89
W102
W99
W98
W101
W97
W91
W77
W78
W84
W90
W87
W104
W73
W107
W64
W60
W61
W32
W35
W25
R534
W243
W50
W39
W41
W47
W18
W40
W43
W95
W68
W121
W117
W20
W42
W48
W49
W51
W72
W31
W30
W52
W58
W55
W36
W76
W113
W111
W16
W15
W17
W19
W9
W14
W13
W10
W229
W126
W226
1
21
2
W228
W227
R527
R528
W223
W225
W222
W221
VR3
D601
D501
J3
J7
J8
P1
D510
D207
D502
D503
D504
D505
D508
D509
D514
D515
D522
Q221 Q310
Q313
Q501
Q504
Q506
Q507
J4
Q217
Q219
D321
D320
D319
WH5
WH6
WH2
CN1
CN2
D506 D507 CN4
CN7
CN8
WH3
WH4
CN10
CN9
IC5
IC2
IC3
IC4
X09 B/2
X09-7032-72 A/2 (J75-0112-11)
LRLR
SURROUND CENTER
SURROUND BACK
PC BOARD

19
KRF-V6200D/V7200D
ADACABAAZ
1
2
3
4
5
6
7
C
C17
C20
C21
C24
R315
R316
R325
R327
R331
R347
R348
C6
C8
119
C12
C18
C19
C22
C23
C28
C30
C34
C102
C103
C105
R248
C203
C204
C208
C209
C210
C213
C216
C217
C218
C219
C220
C221
C222
C223 C224
C225
C226
C227
C228
C230
C231 C232C233
C236
C238C239
C240
C242
C311
C313
C314
R309
R1
R2
R5
R6
R9
R10
R11
R12
R14
R16
R17
R18
R20
R33
R34
R35
R36
R38
R40
R41
R42
R44
R55
R56
R3
R101
R102
R103
R104
R105
R106
R112
R203
R204
R205 R206
R207
R208
R209
R210
R211
R214
R215
R217 R218
R219
R222
R223
R224
R226
R228
R229
R230
R231 R232
R233 R234
R235
R236
R237 R238
R241
R242
R243 R244
R246
R69
R250
R251
R252
R254
R256 R258
R259
R260
R261
R262
R263
R264
R271
R272
R301
R302
R303
R304 R305
R306
R307
R308
R310
R312
R322
R323
R324
R328
R329
R330
R332
R333
R334
R335
R336
R337
R338
R340
R341
R342
R343
R344
R345
R346
R349
E
BK
A
C
E
E
C
K
BA
B
EBEBEB
DGS
DGS
EB
EBEB
EB EB
EB
EB
EB
DGS
DGS
R351
R352 R354
R356
R357
R358
R360
R362
R364
R367
R369
TH1
R531
R533 R530
TH2
R61
C205
R70
R213
R700
R701
R702
R703
R803
R529
C201
R326
R365
C202 R220
C249
R221
C250
CE
EBB
BBE
ECC
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BEBE
BE
BE
BE
BE
D301
D305
Q303
Q304
Q306
Q307
Q314
Q315
Q316
D201
D202
D307
D309
D310
D322
D323
D314
D315
Q1
Q2
Q4 Q5
Q6
Q7
Q8
Q101
Q206
Q207 Q208
Q301
Q302
Q305
Q308
D302
D303
D324
Q3
Q203
Rch
IDLE
T.P.
IDLE
Rch
CENTER
ADJ. Rch
ADJ. Lch
CENTER
C53
C48
C47
W106
W130
C245
C246
C301
C302
C303
C305
C306
C308
C309
C310
W115
C3
C4
C9
C10
C25
C26
C31
C32 C101
C104
W191
C206
C207
C211
C212
C214
C215
C234
C235
C243
C244
C304
C307
CP2
W171
W242
W175
W207
W181
W201
K1
K2
K3
L3
L4
W156
R22
R24
R26
R31
R32
R46
R48
R50
R107
R108
R109
W210
R239
R240
C52
R265
R266
R267
R268
9
3
C51
W100
W209
W182
21
W185
W197
W173
W133
W161
W214
R339
W131
W142
W177
W147
W165
W129
W132
W109
W158
W219
W163
9
4
W157
W167
W114
W194
W193
W119
W189
W172
W176
W151
W146
W178
W206
W208
W108
W110
W112
W4
W6
W199
W125
W204
W183
W195
W237
W144
W145
W150
W149
W152
W141
W148
W211
W203
W202
W138
W190
W170
W700
W159
W179
W213
111
W103
W124
W123
W102
W99
W154
W98
W120
W101
W97
W104
W107
W122
W128
W162
W153
W116
W140
W143
W118
W164
W127
W117
W113
W111
W136
W155
W160
W166
29 1
28 2
W168
W169
W180
W212
W192
W186
W184
W196
W198
W187
W205
W174
W233
W239
W218
C50
C49
W230
W231
W236
W235
W234
W232
W241
W240
W238
VR1
VR2
VR4
E1
J2
J5
J6
D3
D203 D204
D205 D206
D208
D312
D318
Q201
Q202
D602
Q204
Q205
Q209
Q210
Q211
Q212
Q213 Q214
Q215
Q216
Q222
Q309 Q311
Q312
D308
D306
P3
D4
Q218Q220
D5
D317 D316
D7
D6
D2
D1
D311
D313
CN3
CN6
WH1
IC1
1
12-11)
LR LR
SPEAKER ASPEAKER B
Refer to the schematic diagram
for the values of resistors and
capacitors.

20
KRF-V6200D/V7200D
AE AF AG AH AI
1
2
3
4
5
6
7
BAND
SETUP
LISTEN MODE
SPEAKER A/B/OFF
ACTIVE EQ
SPEAKER B
MULTI CONTROL
DOLBY DTS
STANDBY
4.000MHz
STANDBY
W216
W220
W222
W228
W208
W215
W807
W210
W212
W218
W217
C405
C403
R407
R408
W214
C408
C509 C510
C511
C640
C645
C646
C647
C704 C707
C708
C711
C712 C715 C716 C719C720 C723
C724
C727
W236
R424
R404 W227
W226 W225
W219
C805
C806
W803
C801
C802
C803
C804
R801
W801
W804
C812
C811
R411
R413
W207
W213
W401
W802
W805
K801
W410
W230
W231
W229
W201
W203 W211
W202
W204
W221
W104
W103
C112
C115
C119
E1
R104
R105
R108
R109
R110
R123
R127
EB
EB
EB
EB
EB EB EB
EB
R128 R130
R131
R133
R135
R147
R151
X101
R163 R165
R162
ED101
Q407
J501 J602
P501
D401
D403
P201
J601
D802
D803
D805
D804
D801
WH801
Q801
J702
J701
D102
D103
D104 D106 D110
Q101
Q102
Q103
Q104 Q105 Q107
E2
J901
P901
CN205 CN206
CN801
WH401
WH402
S102
S103
S104
S105 S107
S108
WH101-1
CN901
WH101-2
IC401
IC402
X
1
X14 D/5
IN OUT
VIDEO
DVD IN VIDEO 1 IN VIDEO 2 IN MONITOR OUT
DVD IN VIDEO 2 IN MONITOR OUT
COMPONENT VIDEO
PHONES
X14-8052-72 A/5 (J75-0114-21)
X14 E/5
12
44
23
1
9
1
1
8
R402
R403
C404
R421
R423
R422
R425
R426
C502C503
C641
C642
C701
C643
C644
C702
C703
C402
C648 C649
C650
C651
C652
R625 R626
R627
R628
R629
R651
R652
R653
C501
C504
C505
C512
C513
C514
C515
C516
C517
C518
R505R506
R507R508
R509
R510
C728
C729
C730 C731
C732
C733
C734
C735
C736 C737
C738
C739
R707
R708
R709 R710
R711
R712
R713
R714
R715 R716
R717
R718
C401
C406
C407
C506
C507
C508
C705
C706
C709
C710
C713
C714
C717
C718
C721
C722
C725
C726
R701
R702
R703
R410
R802
TH801
TH802
R501
R502
R503
R504
R619
R620
R621
R622
R623
R624
R704
R705
R706
R612
R803
1
3
1
5
1
9
R655
R611
R722
R721
R451
C110
C111
C113
C117
C118
C121
C122
R148
1221
R132 R136
R124
R1
4
R129
R153
R154
R141
C901 C902
21
BE
B
IG
GIO
O
E
41
8558
14
16
12
2413
11
22
BEBEBE
BE
BEBE
Q401
Q402
Q403
Q404
Q405
Q113
Q112
Q115
IC501
IC502
IC602
IC701
IC101
GND(FL)
NCS
+5.0V
-VFL(-30V)
S-VIDEO
PC BOARD