Sony MDX-C6500RV User Manual
MDX-C6500RV
SERVICE MANUAL
Ver 1.1 2001.05
SPECIFICATIONS
AEP Model
UK Model
Model Name Using Similar Mechanism MDX-C6500R
Base Mechanism Type MG-164NZ-138
Optical Pick-up Name KMS-241C/J1NP
MD player section
Signal-to-noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Tuner section
FM
Tuning range 87.5 – 108.0 MHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 66 dB (stereo),
Harmonic distortion at 1 kHz
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
MW/LW
Tuning range MW: 531 – 1,602 kHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW: 30 µV
Power amplifier section
Outputs Speaker outputs
Speaker impedance 4 – 8 ohms
Maximum power output 50 W × 4 (at 4 ohms)
72 dB (mono)
0.6 % (stereo),
0.3 % (mono)
LW: 153 – 279 kHz
LW: 40 µV
(sure seal connectors)
General
Outputs Audio outputs
Tone controls Bass ±9 dB at 100 Hz
Power requirements 12 V DC car battery
Dimensions Approx. 178 × 50 × 183 mm
Mounting dimensions Approx. 182 × 53 × 162 mm
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and
U.S. and foreign patents licensed from Dolby
laboratories Licensing Corporation.
Design and specifications are subject to change
without notice.
Power aerial relay control
lead
Power amplifier control
lead
Telephone ATT control
lead
Treble ±9 dB at 10 kHz
(negative ground)
(w/h/d)
(w/h/d)
connections (1 set)
Front panel case (1)
9-870-087-12 Sony Corporation
2001E0500-1 e Vehicle Company
C 2001.5 Shinagawa Tec Service Manual Production Group
FM/MW/LW MINIDISC PLAYER
TABLE OF CONTENTS
1. GENERAL
Location of Controls ....................................................... 3
Setting the C l o c k ............................................................. 3
Installation....................................................................... 4
Connections ..................................................................... 5
2. DISASSEMBLY ......................................................... 9
3. ELECTRICAL ADJUSTMENTS
Test Mode........................................................................ 16
MD Section ..................................................................... 16
Tuner Section .................................................................. 16
4. DIAGRAMS
4-1. Block Diagram – SERVO Section –............................... 17
4-2. Block Diagram – TUNER Section – .............................. 18
4-3. Block Diagram – MAIN Section –................................. 19
4-4. Block Diagram – BUS CONTROL/
POWER SUPPLY Section – ........................................... 20
4-5. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 21
4-6. Printed W iring Boards
– SERVO Board (Component Side)/
SENSOR Board –............................................................ 22
4-7. Printed W iring Board
– SERVO Board (Conductor Side) – .............................. 23
4-8. Schematic Diagram – SERVO Board (1/2) – ................. 24
4-9. Schematic Diagram – SERVO Board (2/2) – ................. 25
4-10. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 26
4-11. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 27
4-12. Schematic Diagram – MAIN Board (1/3) – ................... 28
4-13. Schematic Diagram – MAIN Board (2/3) – ................... 29
4-14. Schematic Diagram – MAIN Board (3/3) – ................... 30
4-15. Printed Wiring Board – SUB Board – ............................ 32
4-16. Schematic Diagram – SUB Board – ............................... 33
4-17. Printed Wiring Board – KEY Board –............................ 34
4-18. Schematic Diagram – KEY Board – .............................. 35
4-19. IC Pin Function Description ........................................... 40
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
Never look into the laser diode emission from right avove when
checking it for adustment. It is feared that you will lose your sight.
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
(KMS-241C/J1NP).
The laser diode in the optical pick-up block may suffer electrostatic break-down easily. When handling it, perform soldering
bridge to the laser-tap on the flexible board. Also perform m easures
against electrostatic break-down suff iciently before the operation.
The flexible board is easily damaged and should be handled with
care.
laser-tap
OPTICAL PICK-UP FLEXIBLE BOARD
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
5. EXPLODED VIEWS................................................ 50
6. ELECTRICAL PARTS LIST ............................... 54
2
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation exposure.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Location of controls
Setting the clock
The clock uses a 24-hour digital indication.
Example: To set the clock to 10:08
1
Press (MENU), then press either side of
(DISC/PRST) repeatedly until “CLOCK”
appears.
1 Press (ENTER).
The hour indication flashes.
2 Press either side of (DISC/PRST) to set
the hour.
3 Press the (+) side of (SEEK/AMS).
The minute indication flashes.
4 Press either side of (DISC/PRST) to set
the minute.
2
Press (ENTER).
The clock starts.
After the clock setting is completed, the
display returns to normal play mode.
Tip
You can set the clock automatically with the RDS
feature (see page 17).
Note
In the initial setting, the clock indication appears
while the unit is turned off.
When the D.INFO mode is set to ON, the time is
always displayed (page 24).
SECTION 1
GENERAL
This section is extracted from
instruction manual.
MENU
SOUND
P
R
S
T
-
-
OFF
Refer to the pages listed for details.
1 Volume control dial 19
2 MENU button 8, 10, 12, 13, 14, 15, 16,
18, 19, 21, 24
3 DISC/PRST +/– (cursor up/down) buttons
8, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24
During CD/MD playback:
Disc change 10, 13
During radio reception:
Preset stations select 16
4
Z (eject) button (located on the front
side of the unit behind the front panel)
9
5 DSPL/PTY (display mode change/
programme type) button 9, 10, 12, 17,
20
6 LIST button 12
List-up 13
7 SOURCE (TUNER/CD/MD) button
8, 9, 10, 13, 15, 16, 19
8 Display window
9 OPEN button 7, 9, 26
q; D-BASS button 25
qa SOUND button 23
qs Reset button (located on the front side
of the unit behind the front panel) 7
qd OFF button* 7, 8, 9
S
C
I
D
SOURCE
D
I
S
C
PTY
+
DSPL
-
P
R
S
T
+
LIST
-
SEEK/AMS
ENTER
–
MODE
REP SHUF
1 2 3 4 56
OPEN
D-BASS
TA
AF
MDX-C6500RV
qf SEEK/AMS –/+ (cursor left/right) buttons
8, 10, 12, 14, 16, 18, 19, 21, 23, 24
Automatic Music Sensor 10, 14
Manual Search 10
Seek 15, 16, 18
qg ENTER button 8, 10, 12, 13, 14, 15, 16,
18, 19, 20, 21, 24
qh MODE button 19
During CD or MD playback:
CD/MD unit select 9, 13
During radio reception:
BAND select 15, 16
qj Receptor for the card remote
commander
qk Number buttons
During radio reception:
Preset number select 15, 16, 18, 19
During CD/MD playback:
(1) REP 11
(2) SHUF 11
ql AF button 17, 18, 19
w; TA button 18, 19
* Warning when installing in a car
without ACC (accessory) position on
the ignition key switch
Be sure to press (OFF) on the unit for two
seconds to turn off the clock display after
turning off the engine.
When you press (OFF) only momentarily,
the clock display does not turn off and this
causes battery wear.
3
45678
SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
SUB PANEL ASS’Y
5 sub panel ass’y
3 screw
(PTT2.6 × 8)
3 two screws
(PTT2.6 × 8)
1 screw
(PTT2.6 × 5)
2 cover
4 two claws
4 claw
6 flexible flat cable
(CN500)
3 screw
(PTT2.6 × 8)
MECHANISM DECK (MG-164NZ-138)
2 two screws
(PTT2.6 × 5)
4 mechanism deck
(MG-164NZ-138)
1 screw
(PTT2.6 × 5)
5 bracket (MD)
3 connector
(CN101)
1 screw
(PTT2.6 × 5)
9
SERVO BOARD
d
1 sensor flexible board
2 two screws
(BVTT2 × 4)
2 two screws
(BVTT2 × 4)
3 servo board
(CN102)
1 flexible boar
(CN103)
MAIN BOARD
1 three ground point
screws
2 three screws
(PTT2.6 × 8)
3 main board
10
MD COVER ASS’Y
)
3 MD cover ass’y
cassette holder
1 four screws
(B2 × 3)
shaft (MD cover guide)
HEAT SINK
A
2 Pushing the Cassette Holder in the direction of arrow A with a
screwdriver, etc., disengage the Shaft (MD Cover Guide) from
the slot in the MD Cover Ass’y.
Note: Take care not to scratch the optiocal Pick-up when pushing
the Cassette Holder with a screwdriver. etc.
1 three screws
(PTT2.6 × 8)
3 heat sink
2 two screws
(PTT2.6 × 12)
1 screw
(PTT2.6 × 8
1 two screws
(PTT2.6 × 8)
11
FLOAT BLOCK
)
3 Pushing an arrow A part, raise the float block
up ward at the front to release a lock.
float block
A
lever (lock R)
lever (lock L)
1 tension spring (float B)
1 tension spring (float B
2 two tension springs (float F)
LO MOTOR ASS’Y (LOADING) (M903)
4 Remove the bracket (LO)
in the direction of arrow A.
1 Remove solders of motor (M903)
A
5 LO motor ass’y (loading)
(M903)
2 tension spring (rack)
3 claw
12
bracket (LO)
– bottom view –
LEVER (LE) ASS’Y
2 stopper washer
2 lever (LE) ass’y
3 roller (gear E)
1
HOLDER ASS’Y
2 type-E stopring 1.5
1 spring (CHKG)
2 type-E stopring 1.5
3 lever (lock R)
4 Remove the holder ass’y in the
direction of the arrow.
2 type-E stopring 1.5
3 lever (lock L)
2 type-E stopring 1.5
1 spring (CHKG)
13
CHUCKING ARM ASS’Y
y
holder ass’y
1 Remove the chucking arm ass’y
in the direction of the arrow.
OPTICAL PICK-UP (KMS-241C/J1NP)
7 optical pick-up
(KMS-241C/J1NP)
1 two screws
(K2 × 3)
2 guide shaft (OPT L)
4 screw
(B2 × 3)
6 bearing (SL)
5 feed screw ass’
3 screw
(K2 × 3)
14
SL MOTOR ASS’Y (SLED) (M902), SP MOTOR ASS’Y (SPINDLE) (M901)
4 screw
(P1.7 × 1.8)
5 bracket (SL)
9 two screws
(P1.7 × 1.8)
0 bracket (SP)
qa SP motor ass’y
(spindle) (M901)
7 screw
(B2 × 3)
2 two screws
(2 × 8)
3 sensor board
1 Remove solders of motors
(M901, M902)
8 base (SL)
6 SL motor ass’y
(sled) (M902)
15
SECTION 3
ELECTRICAL ADJUSTMENTS
TEST MODE
This set have the test mode function.
<Set the Test Mode>
1. Turn ON the regulated po wer supply. (The clock is displayed)
Note: Press the [OFF] button, if the clock is not displayed.
2. Push the preset [4] button.
3. Push the preset [5] button.
4. Press the preset [1] button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.
<Release the Test mode>
1. Push the [OFF] button.
MD SECTION
MD section adjustments are done automatically in this set.
TUNER SECTION
Tuner section adjustments are done automatically in this set.
16
SECTION 4
DIAGRAMS
MDX-C6500RV
4-1. BLOCK DIAGRAM – SERVO Section –
OPTICAL PICK-UP BLOCK
05
F
C B
I J
D A
E
DETECTOR
LASER DIODE
LDPD
(KMS-241C)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
ILCC
PD
M901
(SPINDLE)
M902
(SLED)
FCS+
FCS–
TRK+
TRK–
I
J
B
A
C
D
E
F
AUTOMATIC
POWER
CONTROL
Q302
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
6
27
25
21
23
12
10
8
OUT4F
OUT4R
OUT2F
OUT2R
OUT1F
OUT1R
OUT3F
OUT3R
M
M
IC303
I
1
J
2
A
4
B
5
C
6
D
7
E
8
F
9
APC
11
PD
10
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
RF AMP
I-V
AMP
I-V
AMP
16PSB
3
4
29
30
19
18
14
15
48 47
MORFO
LD/PD
AMP
SPFD
SPRD
MORFI
RFO
B.P.F.
AT
AMP
12
46
3T
APCREF
IC306
WBL
B.P.F.
ABCD
AMP
WBL3TEQ
V-I
CONVERTER
F0CNT
20
APCREF
83
SFDR
92
SRDR
91
FFDR
88
FRDR
89
TFDR
86
TRDR
85
FOCUS/TRACKING ERROR AMP
AGCI
40
TEMP
ADFM
29 30
FOCUS
ERROR AMP
TRACKING
ERROR AMP
+3.3V
AUTOMATIC
CONTROL
DIGITAL
PROCESS
PWM GENERATOR
RF AMP,
IC302
RF AGC
& EQ
EQ
WBL
PEAK &
BOTTOM
ADIN
COMMAND
SERIAL/
PARALLEL
CONVERTER,
DECODER
XLAT
SCLK
SWDT
1716 18
PEAK HOLD
Q301
+3.3V
13
RECP
POWER
SERVO
SIGNAL
DIGITAL SERVO
SIGNAL PROCESSOR
IC301 (2/2)
RF
AUX
PEAK
BOTM
ADFG
ABCD
FE
TE
SE
ABCD
AUX1
38
33
37
36
32
35
34
26
28
7465647566 63
FE
TE
AUX2
ABCD
ANALOG MUX
A/D CONVERTER
FROM CPU
INTERFACE
AUTO
SEQUENCER
FILTER
73 62
SE
PEAK
XLRF
CKRF
DTRF
100
59
58
61
60
51
52
55
78
79
BOTM
EFMO
FILI
PCO
CLTV
FILO
ASYO
ASYI
COMPA-
RFI
RATOR
ADIP
ADFG
DEMODULATOR/
DECODER
F0CNT
X501
10MHz
80
81
82
PLL
15
TX
EFM/ACIRC
ENCODER/DECODER
SUBCODE
PROCESSOR
SPINDLE
SERVO
SPFD
SPRD
DQSY11SQSY14XINT
XRST
94 93
10
12
59 62 55 54 52 45 51 64 26 27 28 29
MD-RST
31
EXTAL
XTAL
32
7 6
LOADING
MOTOR DRIVE
IC305
M903
(LOADING)
5 4
RIN FIN
OUT1 OUT2
1 7
SHOCK PROOF
MEMORY CONTROLLER
51331
LEVEL SHIFT
IC502
61242
SQSY
CC-XINT
EJECT
LOAD
M
ATRAC
CPU
INTERFACE
SENS
SRDT
SWDT
9 8 5 6 7
SWDT
SENS
MD-SI
MD-SO
MD MECHANISM CONTROLLER
ON: When the disc loading start
and the disc eject completion.
IC301 (1/2)
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
ENCODER/DECODER
INTERFACE
D-RAM
INTERNAL BUS
MONITOR
CONTROL
SCLK
XLAT
MNT0
1 2 3 4
13
LEVEL SHIFT
IC503
12
FOK
SCLK
XLAT
MNT0
MD-LAT
MD-CKO
IC501 (1/2)
C-SW
63
LOADING START/
EJECT END
ADDT
23
DIN
21
DOUT
22
DADT
24
MNT1
MNT2
MNT3
135
246
SHOCK
XBUSY
SLOCK
MNT1
MNT2
MNT3
LOADING
END
ON: When completion of
the disc loading.
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
IC301 (1/2)
BCK
LRCK
FS256
2526 27
LRCK
XBCK
FS256
CLOCK
GENERATOR
RESET
TH501
39
TEMP
E-SW
11 56
OSCI
OSCO
XOE
XWE
XRAS
XCAS
EMPHASIS
66
DEEMP
(LIMIT)
ON: When the optical pick-up is
inner position.
16
17
D0 – D3A00 – A09
47, 46, 48, 49
32 – 29, 34 – 38, 43
41 22
45 3
44 4
42 23
LOCK
A-MUTE
LIMIT-IN
• SIGNAL PATH
DADT, BCK, LRCK, FS256
512FS OSC
IC304
1, 2, 24, 25
9 – 12, 14 – 18, 5
OE
WE
RAS
CAS
RESET, EMPHASIS
21
67
D0 – D3
A0 – A9
D-RAM
IC307
: MD PLAY
X301
22.5792MHz
LOCK
MD-ATT
(Page 19)
A
(Page 19)
B
C
(Page 19)
D
(Page 19)
1717
MDX-C6500RV
4-2. BLOCK DIAGRAM – TUNER Section –
FM/AM TUNER UNIT
2
1
ANT-FM
ANT-AM
TU1
SDA (E2PROM)
SCL (E2PROM)
17
18
FM-AGC
4
S-METER
14
J1
(FM/AM ANTENNA)
RDS-DET
9
11
5
VCC (8.5V)
VDD E2P (5V)
16
VDD (5V)
BU B+
TUNER +8.7V
TUNER +5.6V
SDA (I2CBUS)
SCL (I2CBUS)
12 13
19
IF-AM
MPX
AM-DET
10
MUTING
Q111
8
MUTING
Q121
MUTING
CONTROL SWITCH
D131
Q131
MPX
AM
IF-AM
E
F
G
(Page 19)
(Page 19)
(Page 19)
DATA
CLOCK
DATA
CLOCK
RDS DECODER
IC51
PATH
OUT
SC
18
MPTH
2
CIN
CLOCKED
19
COMPARATOR
OSCILLATOR
& CLOCK
OSCI
OSCO
4
5
X51
4.332MHz
52
MPX
LVIN
57 kHz
BAND-PASS
FILTER
MULTI
DETECTOR
16
20
9
10
51
53
SIGNAL
QUALITY
DECODER
RDS/RDBS
DEMODULATOR
& DECODER
DAVN
8
64
5
4
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
SDA
SCL
9
10
BUFFER
Q1
BAND-PASS
FILTER
IC90
Q90
NOISE DET
DISCHARGE
SWITCH
50
32
56
DATA, CLOCK
S-METER
I
H
(Page 19)
(Page 19)
E2P SIO
E2P CKO
FMAGC
VSM
MPTH
MASTER CONTROLLER
IC501 (1/3)
DAVN
QUALITY
NS MASK
TUNATT
• SIGNAL PATH
: FM
05
: MW/LW
1818
4-3. BLOCK DIAGRAM – MAIN Section –
MDX-C6500RV
(Page 17)
(Page 17)
(Page 18)
(Page 18)
(Page 18)
(Page 18)
(Page 18)
(Page 17)
CNJ151 (1/2)
DM0
NOISE
SHAPER
AUDIO IN
DADT,
BCK,
LRCK,
FS256
A
LRCK
FS256
RESET,
EMPHASIS
B
AM
F
IF-AM
G
MPX
E
I
S-METER
H
LOCK
C
RESET
EMPHASIS
DATA, CLOCK
DATADADT
5
BCKBCK
6
4
1
15
84
LRCK
XTI
RSTB
LOCKIN
INPUT
CLK
CONTROL
INTERFACE
CONTROL
FILTER
DIGITAL
MODE
DM1
17 16
(L)
BUS
(R)
VOUTL
D/A
VOUTR
COMVERTER
DIGITAL FILTER,
D/A CONVERTER
IC101
R-CH
12
9
R-CH
MASTER CONTROLLER
IC501 (2/3)
INPUT SELECT,
ELECTRICAL VOLUME, FM MPX
3
1
11
12
13
DATA
CLOCK
FD1L
SEL
AM
AMIF
MPX
IC151
BLANKER
L.P.F.
DIGITAL
CONTROL
IIC BUS
SDA
20
70 71
I2C SIO
INPUT
MULTIPLEXER
AM/FM
NOISE
SCL
21
I2C CKO
PLL
LOUDNESS/
VOLUME
PILOT
CANCELATION
PILOT
DET
SOFT
MUTE
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
SM
18
57
VOLATT
TONE
CONTROL
LOUDNESSMUTE
MONO
FADER
OUTPUT
SELECTOR
L.P.F. S & H HIGH-CUT
D/A
CONVERTER
LEVEL
14
MIXER
OUTLF
OUTLR
R-CH
CNJ151 (2/2)
FL+
FL–
FR+
FR–
RL+
RL–
RR+
RR–
(L)
(R)
(L)
(R)
AUDIO OUT
FRONT
AUDIO OUT
REAR
(POWER CONNECTOR)
5
3
21
23
9
7
17
19
CN601 (1/2)
1
9
4
12
2
10
3
11
FRONT L (+)
FRONT L (–)
FRONT R (+)
FRONT R (–)
REAR L (+)
REAR L (–)
REAR R (+)
REAR R (–)
30
29
R-CH
R-CH
D621
BEEP
AMPATT
AMPON
MUTING
Q171
MUTING
Q271
MUTING
Q181
MUTING
Q281
POWER AMP
IC611
12
FL-IN
14
FR-IN
RL-IN
11
15
RR-IN
16
60
59
16
AUX IN
MUTE
22
4
STNBY
J501
REMOTE IN
(Page 17)
05
RCIN1
RCIN0
48 46 47 36 37 76 6785 12 587473929315141335 79 81
D653
KEYIN0
LSW810,
LSW901 – 917,
S901 – 904
KEYIN1
D501
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
REIN0
ROTARY
ENCODER
RE901
REIN1
KEYACK
KEY ACTIVE
SWITCH
Q651, 652
U-COM +5V
AD-ON
SW504
(NOSE DETECT)
NOSESW
LED910 – 915
(LCD BACK LIGHT)
DOORSW
14
MAIN BODY SIDE
1
FRONT PANEL SIDE
CN500
CN901
LED DRIVE
Q903
LCDSO
LCDCKO
LCDCE
X1
X0
X501
3.68MHz
6263
64
DI
CL
SE
LIQUID CRYSTAL
DIMMER
S04
DISPLAY DRIVER
IC901
–
S51 COM1
–
4
51
OSC
–
COM4
–
52
55
3 60
X1A
X502
32.768kHz
OSC
C953, R957
X0A
ATT
TELATT
BACK-UP B+
D502
CONTROL SWITCH
MUTING
Q622
TEST IN
D622
BATTERY OFF
MUTE DRIVER
Q621
LEVEL SHIFT
Q571
D571
• SIGNAL PATH
: MD PLAY
15
TEST
13
TEL-ATT
: FM
LCD901
LIQUID CRYSTAL DISPLAY
MD-ATT
D
D302
: MW/LW
: BUS AUDIO IN
1919
MDX-C6500RV
4-4. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
CN701
BUS CONTROL IN
(FOR SONY BUS)
SIRCS
RESET
DATA
CLK
BUS ON
BATT
BACK-UP B+
3
2
5
4
6
7
BUS ON SWITCH
Q705
TH701
D708
BU B+
2
6
4
1
3
D702
D701
SIRCS BUFFER
Q704
RESET SIGNAL
GENERATOR
IC652
SONY BUS INTERFACE
IC701
RST
RESET
SWITCH
DATA
CLK
BUS ON
OUT
BATT
BATTERY
DETECT
Q701
BUS ON
SWITCH
BATTERY
SWITCH
DATA IN
DATA OUT
RST
CLK IN
BUS
ON IN
BU IN
REMOTE CONTROL
RECEIVER
IC951
SW503
RESET
13
9
8
11
12
10
D301
MASTER CONTROLLER
IC501 (3/3)
24
SIRCS
RSTX
90
86
HSTX
11
SYSRST
UNISO
18
17
UNISI
19
UNICKO
20
UNICKI
3
BUSON
BUIN
77
PW ON
TUNON
ILLON
ACC IN
CN601 (2/2)
BACK-UP B+
POWER AMP
(IC611) B+
(POWER CONNECTOR)
6
5
FU601
16
7
ANT-R
AMP-R
+B
ACC
D673
D674
6
AMP+B
8
ANT+B
REGULATOR
TUNER +8.7V
TUNER +5.6V
RDS DECODER
(IC51) B+
COM +8V
(AUDIO CIRCUIT B+)
BU B+
PULL UP +5V
U-COM +5V
120
1
7
82
REGULATOR
CONTROL SWITCH
Q633
D677
LED901 – 904,
LSW901 – 917
D2
D1
D676
LCD DRIVER
(IC901) B+
ACCESSORY CHECK
11
10
9
5
LCD B+
TU8.7V
TU5.6V
COM8V
BU+B
Q661
IC671
STB
4
VCC
8.7VON SW
5.6VON SW
23
REGULATOR
7
Q631
D662
29
DOORIND
LO +12V
MD MECHANISM CONTROLLER
IC501 (2/2)
MDMON
65MD-ON
REGULATOR
10
CONTROL SWITCH
Q363
REGULATOR
CONTROL SWITCH
Q250
60
BU-IN
BUS-ON
61
30
RESET
UNISI
49
48
UNICKIO
LEVEL SHIFT
Q706
05
50
46
UNISO
LINKOFF
LOADING MOTOR
DRIVER (IC305) B+
+3.3V
LED810
(MD DISC SLOT)
LSW810
Z
VCC
+3.3V
REGULATOR
IC401, Q401
LED810,
LSW810
B+ SWITCH
Q402, 403
DRIVER +5V
MOTOR/COIL DRIVER
(IC303) B+
REGULATOR
Q551
+12V
REGULATOR
Q361
+5V
REGULATOR
Q362
2020
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