Kenwood RD-HD5MD-HD7 Schematic

MICRO Hi-Fi COMPONENT SYSTEM

70%

RD-HD5MD/HD7

SERVICE MANUAL

(HD-5MD/HD-7)

Door(MD) (A52-0989-08)

Window * (B10-3934-08)

Panel * (A60-)

Cabinet * (A01-)

Tuner * (W02-)

SW, Push block (E21-0041-08)

Knob(VOLUME) (K29-8275-08)

Button (K29-8274-08)

Jack,D3.5 (E11-0969-08)

SW, Slide * (S62-0098-08)

Module (W02-2802-05)

Module (W02-2803-05)

Ter,RCA (E63-0187-08)

Ter,RCA (E63-1181-08)

In compliance with Federal Regulations, following are reproduction of labels on, or inside the product relating to laser product safety.

Caution : No connection of ground line if disassemble

the unit. Please connect the ground line on

rear panel, PCBs, Chassis and some others.

Cord ass'y * (E30-)

Stopper(AC cord) (J42-0355-08)

* Refer to parts list on page 41.

Illust. is RD-HD5MD.

KENWOOD Corp. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.

RD-HD5MD/HD7

FM indoor antenna (1) (T90-0904-08)

AM loop antenna (1) (T90-0903-08)

Remote control unit (1) (A70-1625-08): RD-HD5MD(T) (A70-1626-08): RD-HD5MD(M), RD-HD7(V) (A70-1629-08): RD-HD7(E,T) (A70-1630-08): RD-HD7(K)

Batteries (R6/AA) (2)

1 Remove the CD from the unit. 2 Press the CD 6 key.

3 Wait for some time and verify that the dis-

play appears as above.

4 Wait a few seconds and turn the unit OFF.

Note related to transportation and movement

Before transporting or moving this unit, carry out the following operations.

Condensation (of dew) may occur inside the unit when there is a great difference in temperature between this unit and the outside. This unit may not function properly if condensation occurs. In this case, leave the unit for a few hours and restart the operation after the condensation has dried up. Be specially cautious against condensation in a following circumstances: When this unit is carried from one place to another across a large difference in temperature, when the humidity in the room where this unit is installed increases, etc.

Caution on condensation

Memory backup function

Stored contents which are cleared immediately when power plug is unplugged from power outlet :

Clock display N.B. function

Stored contents which will back-up after power plug is unplugged from power outlet:

State of power (on or standby), A, P, S, Last input selection, AUX level, Volume control value, Balance control, Receiving band, Frequency, Preset station, Program Timer, TONE

Operation to reset

The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is unplugged while unit is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition.

Unplug the power cord from the power outlet, then while holding the set key on the main unit depressed, plug the power cord again.

÷ Please note that resetting the microcomputer clears

the contents stored in and it returns to condition when it left the factory.

CONTENTS / ACCESSORIES / CAUTIONS

CONTENTS / ACCESSORIES / CAUTIONS............. 2

EXTERNAL VIEW .......................................................3

DISASSEMBLY FOR REPAIR / ADJUSTMENT.........4

CIRCUIT DESCRIPTION ............................................5

PC BOARD .............................................................. 18

Accessories

SCHEMATIC DIAGRAM .......................................... 24

EXPLODED VIEW ....................................................36

PARTS LIST..............................................................41

SPECIFICATIONS ....................................................51

Cautions

Window * (B10-)

RD-HD5MD/HD7

EXTERNAL VIEW

Knob * (K29-)

Window (B11-1573-08)

Phone jack (E11-0969-08)

tuning

Knob * (K29-8274-08)

Front panel * (A60-)

* Refer to parts list on page 41.

Illust. is RD-HD7.

SYSTEM CONFIGURATION

SYSTEM NAME RECEIVER SPEAKER

HD-5MD RD-HD5MD LS-HD7 HD-7 RD-HD7 LS-HD7

RD-HD5MD/HD7

No.

ITEM

INPUT

SETTINGS

OUTPUT

SETTINGS

RECEIVER SETTINGS

ALIGNMENT

POINTS

ALIGN FOR

FIG.

AUDIO SECTION : SELECTOR : EXCEPT TUNER MODE

<1>

IDLE CURRENT (RD-HD7 only)

Connect a DC

voltmeter to

CP901 or CP902 CP901 (Lch)

CP902 (Rch)

Volume:

Minimum

VR203 (Lch) VR204 (Rch)

8 mV

DISASSEMBLY FOR REPAIR / ADJUSTMENT

DISASSEMBLY FOR REPAIR

How to open the tray if it does not come out.

1. Turn the gear in the direction of the arrow using a bamboo stick and so on in the drawing through the hole on the loading chassis bottom. Note : Do not use a screw driver like a metallic instead of a bamboo stick.

(There is a danger of damaging the gear.)

2. Pull out the tray frontward by hand when it comes just out.

ADJUSTMENT

RD-HD5MD/HD7

(1) Setting of Continuous Playback Mode

No. Key Display/Function

1 VOLUME Select CREC-PLAY 2

Load a recordable disc.

3 (MD)6

(MD)6

CREC (ZZZZ) (CREC address)

0300h cluster = recording start point

CPLAY ?

4 CPLAY MID

C = XXXX a = YY (error)

C1 error ADIP error address MID = 0300h cluster

5 STOP

CREC-PLAY

(1) Setting of Continuous Recording Mode

No. Key Display/Function

1 VOLUME Select CREC-PLAY 2

Load a recordable disc.

3 (MD) CREC (ZZZZ) (CREC address)

0300h cluster = recording start point

CPLAY ?

4 STOP CREC-PLAY

CIRCUIT DESCRIPTION

1. Initializing

1-1 Initializing Method

• While holding down the [SET] key, plugged in the

power cord to AC power wall outlet.

1-2 Initializing Operation

• During the initial operation, the display shows "INITIAL-

IZE "and after that it will be returned to standby condition.

2. Test Mode

2-1 Setting method of the Test Mode

Test Mode Keys Setting Method CD Test Mode CD PLAY PAUSE Insert the AC cord to MD Test Mode MD PLAY PAUSE AC wall outlet while

MD Mecha. Test MD REC holding down

Mode the left key.

2-2 Cancel of the test mode

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

2-3 Operation of the Test Mode

Key

CD Test Mode MD Test Mode

CD-PLAY/PAUSE

(cyclically change the mode Tracking-Servo ON/OFF -

05 and 03 by pressing the key.

MENU CD double speed CD normal speed -

P.CALL UP

P.CALL DOWN

• CD Track number up

•The pickup travels outward in the stop mode.

• CD Track number down

• The pickup travels inward in the stop mode.

SET -

Operation

MD Track number up

MD Track number down

Stop the MD operation, and start the ALLERASE operation if the disc is recordable.

3. MD Test Mode for Adjustment

3-1 Contents of the Test Mode 3-2 Entering the Test Mode

• Turn the AC on while pressing the MD[REC] key.

3-3 Canceling the Test Mode

• Turn the AC off.

3-4 Key Operations for Adjustment

KEYS OPERATION

Volume/multi-control Select the mode or changed

the adjustment value.

MD PLAY/PAUSE

STOP

3-5 Selection of Adjustment Test Mode

• Whenever the [volume/multi-control] knob is turned the adjustment test mode is selected.

No. LCD DESCRIPTION SECTION

1 TEMP ADJU

2 LDPWR ADJU Laser power adjustment. 4-6 3 LDPWR CHEC Laser power check. 4-6

4 EFBAL ADJU

5 TE B. ADJ Automatic EF balance adjustment. 4-8 6 FBIAS ADJU Focus bias adjustment. 4-9 7 CREC-PLAY Continuous recording mode. 3-7

For more information on each adjustment mode, refer to

each section of 4, "Electrical adjustment".

Fix the mode or adjustment value. Skip to next step. Cancel the selected mode and changed to menu page. Return to the state previous before.

The work of adjustment is unnecessary in this mode.

EF balance adjustment (Traverse adjustment).

Continuous playback mode. 3-6

4-5

4-7

3-6 Continuous Playback Mode

3-7 Continuous Recording Mode

4. Electrical adjustment

4-1 Precaution during confirmation of Laser Diode

emission

During adjustment, do not view the emission of a laser diode from just above for confirmation. This may damage your eyes.

RD-HD5MD/HD7

TE1 VC

Oscilloscope

X33 ADJUSTMENT

V: 0.5V/div H: 10ms/div INPUT: DC mode

Pick-up

Flexible board

Laser tap

No.

Key Display/Function

Volume/multi-control

Select [TEMP ADJU]

2 PLAY [TEMP=xx (yy)]

(xx=compensation data, yy=setting temperature)

Volume/multi-control

Input "yy" with present temp..

4 PLAY [TEMP=✽✽SA]

[TEMP ADJU] in writing data

Laser power meter

Digital voltmeter

Objective lens of optical pick up

TP2 TP1

X33 ADJUSTMENT

1. Laser Power Adjustment

No. Key Display/Function

Volume/ multi-control

[LDPWR ADJU] Load recordable disc

2 Load the disc and lazer on

a 0.9mW) $xx] read power

(xx=power value)

3 EJECT

PLAY

Unload the disc and laser on

4 4/¢ Move the pickup to check the laser power with

laser power meter sensor

Volume/ multi-control

Adjust "xx" so that the power meter shows 0.9mW.

6 PLAY a 7.0mW) $xx] writing power 7

Volume/ multi-control

Adjust "xx" so that the power meter shows 7.0mW. This adjustment should be carried out in 15 secs.

8 PLAY Laser power off

Display shows [LDPWR ADJU] after [LDPWR<$xx] to save the data in E2PROM

Start from No.2 if readjust.

2. Laser Power Check

No. Key Display/Function

Volume/multi-control

[LDPWR CHEC]

2 PLAY c 0.9mW) $xx]

(xx=0.85 to 0.95mW)

3 PLAY c 7.0mW) $xx]

Laser power meter: 7.0±1.0mW✽ VOM:optical pickup indication value ±10%✽

In this case, lop = 82.5 mA lop(mA) = Reading of digital voltmeter(mV)/1(Ω)

(optical pick-up label)

KMS

260B 27x40 B0825

CIRCUIT DESCRIPTION

4-2 Precaution on handling of Optical pick-up

(KMS-260B)

The laser diode in an optical pick-up is easy to be subject to electrostatic destruction. Therefore, solder-bridge the laser tap on the flexible board when handling the

optical pick-up. When removing the flexible board from the connector, make a solder bridge in advance, then remove the board. Be careful not to remove the solder bridge before inserting the connector. Moreover, take careful measures against electrostatic destruction. The flexible board is cut easily. Handle the flexible board with care.

4-3 Precaution during adjustment

1) Perform the adjustment and confirmation marked with “O” in the order shown in the table when the parts below are replaced.

Optical BD board

1.Temperature compensation offset adjustment X O O O

2.Laser power adjustment O O X O

3.Traverse adjustment O O X O

4.Focus bias adjustment O O X O

5.Error rate confirmation O O X O

2) In the test mode, perform the adjustment. After adjustment is completed, cancel the test mode.

3) Perform the adjustment in the order described.

4) Use the following tools and measurement equipment.

• CD test disc TGYS-1

• Laser power meter

• Oscilloscope (with bandwidth of more than 40 MΩ)

(Calibrate the probe before measurement.)

• Digital voltmeter

• Thermometer

5) Take care that VC and GND (ground) are not connected on the oscilloscope when two or more signals are monitored on the oscilloscope. (VC and GND are short-circuited in this case.)

4-4 Creating the recordable continuous recording

disc

This disc is used for focus bias adjustment and error rate confirmation. How to create the recordable continuous recording disc is 3-7.

4-5 Offset Adjustment

pick-up IC7 D3 IC1,IC2,IC6

4-6 Laser Power Check and Adjustment

Laser power setting in playback and recording modes. Preparation

1. Remove the MD mechanism from the unit.

2. Connect the digital voltmeter to TP1 and TP2 on X33 pcb.

3. Remove the top plate from traverse unit.

4. Remove the magnetic head.

5. Remount the MD mechanism to the unit

4-7 EF Balance(Traverse Adjustment)

Connection :

RD-HD5MD/HD7

1. Recordable Disc

No. Key Display/Function

1 Connect the oscilloscope to TE1 and VC in X33 pcb 2

Volume/ multi-control

Select [EFBAL ADJU]

3 Load the recordable disc 4 PLAY [EFBAL MO-W] 5 PLAY [EF=$✻✻MOW] 6

Volume/ multi-control

Write power adjustment. Adjust the waveform as follows.

7 PLAY Display shows [EF=$✻✻MOR] after [EFB=✻✻xSAVE]

to save the data in E2PROM.

Mode changes write to read

Focus and disc servo are on. Tracking servo off.

Volume/ multi-control

Read power adjustment. Adjust the waveform as follows.

9 PLAY

Save the data in E2PROM. Display shows [EFBAL MO-P]

PLAY

Display shows [EF=$✻✻MOP] (Pickup travels to search pits and tune the servo to on.)

Volume/ multi-control

Adjust the waveform as follows.

11 PLAY Display shows[EFB=✻✻xSAVE]

to save the data in E2PROM. Display shows [EFBAL CD] disc motor stops.

12 EJECT Unload disc.

2. Pre Master Test Disc(TGYS-1)

No. Key Display/Function

1 Load the disc(TGYS-1). 2 PLAY [EF=$✻✻CD] servo is on 3

Volume/ multi-control

Adjust the waveform as follows.

4 Save the data in E2PROM.

Display shows[EFB=✻✻xSAVE] in brief time.

EF PHASE

5 EJECT Unload disc.

No. Key Display/Function

1. CD Error Rate

Volume/ multi-control

[CREC-PLAY]

2 Load the test disc(TGYS-1) 3 PLAY Display shows [CPLAY MID]

Access end

[c=xxxx a=yy] xxxx=C1 error (lower 20) yy=AIDP error 4 STOP [CREC-PLAY] 5 EJECT Unload disc.

2. MO Error Rate

No. Key Display/Function

Volume/ multi-control

[CREC-PLAY]

2 Load the recordable disc 3 PLAY Display shows [CPLAY MID]

Access end

[c=xxxx a=yy] xxxx=C1 error (lower 50) yy=AIDP error(00) 4 STOP [CREC-PLAY] 5 EJECT Unload disc.

No. Key Display/Function

Volume/multi-control

Select [FBIAS ADJU] 2 Load the disc. 3 PLAY [a=xx yyyy/] point a

(xx=focus bias, yyyy=C1error) 4

Volume/multi-control

Adjust "yyyy" to 220

✻

5 PLAY [b=xx yyyy/] point b 6

Volume/multi-control

Adjust "yyyy" to 220

✻

7 PLAY [xx yyyy/] point c

Check "yyyy" within 50 8 PLAY Display shows [aa bb cc(xx)] focus bias adjust

(aa= point a,bb=b,cc=c )

(TE1)

330kΩ

10pF

(VC)

Oscilloscope

No. Key Display/Function

1 Volume

TE B. ADJ

2 Load a recordable disc.

=Low Reflection • Groove

3 TE B. MO-W (Automatic Adjustment Mode Indication)

• Writing Power Automatic Adjustment

4 Display shows

EFB = XXX SAVE in brief time and

Next step

save the data in E2PROM.

TE B. MO-R (Automatic Adjustment Mode Indication)

• Reading Power

=Low Reflection • Groove

Automatic Adjustment

6 Display shows

EFB = XXX SAVE in brief time and

No. Key Display/Function

Next step

TE B. MO-P (Automatic Adjustment Mode Indication)

• Reading Power

=Low Reflection • PIT

Automatic Adjustment

8 Display shows

EFB = XXX SAVE in brief time and

Next step

save the data in E2PROM.

EFBAL CHANGE (Unload a disc)

0 Load a pre-master test disc(TGYS-1).

MD TE B. CD (Automatic Adjustment Mode Indication)

• Reading Power

=High Reflection • PIT

= Display shows

save the data in E2PROM.

EFB = XXX SAVE in brief time and

EF PHASE menu

save the data in E2PROM.

CIRCUIT DESCRIPTION

4-9 Focus Bias Adjustment

Use the special disc(continuous recorded disc)

During this adjustment, the oscilloscope changes in units of about 2%. Adjust so that the waveform comes nearest to the specified value. (MO groove read power traverse adjustment)

(Traverse waveform)

Specification : A = B

Notes :

1. Data is erased during MO write when a recorded disc is used for this adjustment.

2. If the traverse waveform is difficult to be monitored, connect an oscilloscope as shown in the figure below.

4-8 Automatic EF Balance Adjustment

• Automatic EF balance adjustment is performed.

* Notes :

1. The relation between the C1 error and focus bias value is shown in the figure below. Points “a” and “b” in the figure are detected by the above adjustment. Focal position “C” is automatically obtained from points “a” and “b” by calculation.

2. The C1 error rate fluctuates. Therefore, perform the adjustment according to the observed mean value.

C1 error

Focus bias value

4-10 Error Rate Check

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

5. Pin Description of Microprocessor

Pin No. Pin Name I/O Pin Description

1 PLL DATA O Data output to PLL IC. 2 PLL CLK O Clock output to PLL IC. 3 FAN CONTROL - Unused. 4 SYS DATA O Data output to M61510FP (IC204) and M62429P (IC203). 5 M61510FP CLK O Data output to M61510FP (IC204). 6 M62429P CLK O Clock output to M62429P (IC203). 7 CE I Detection port of AC off. 8 BYTE - Connected to ground.

9 CNVSS - Connected to ground. 10 XCIN I Clock input (32.768kHz). 11 XCOUT O Clock output (32.768kHz). 12 RESET I Reset signal input for microprocessor. 13 XOUT O Main clock output (1MHz). 14 VSS - Connected to ground. 15 XIN I Main clock input (1MHz). 16 VCC - Power supply. 17 NMI - Connected to VCC. 18 REMOCON IN I Input port of remote control signal. 19 RDS CLK I RDS clock input (E/T type only). 20 BL KCK I Clock signal (88.2kHz) output. 21 PLL H/L O Switching port of reference current for CD DSP. 22 STEREO I Stereo signal input of tuner. 23 SD I Detection terminal of SD signal for TUNER. 24 LIMIT I Detection port of CD limit switch. 25 CD D. ON - Unused. 26 MLD O Command load signal output to CD DSP. 27 RDS DATA I RDS data input (E/T type only). 28 CD SPEED O Play back output port of hi-speed for CD. 29 MD RX I Data input from MD mechanism microprocessor. 30 MD TX O Transmission data output to MD mechanism microprocessor. 31 FLT DATA O Data output to FL driver. 32 RXD I Data input from EEPROM writer. 33 FLT CLK O Clock output to FL driver. 34 FLT CS O CS output to FL driver. 35 M DATA O Command data output to CD DSP. 36 STAT I Status signal input from CD DSP. 37 MLCK O Command clock signal output to CD DSP. 38 MD CE O CE of MD mechanism . 39 MD RESET O Reset signal output to MD mechanism. 40 BLUE LED CONT O Control port of blue led. 41 NC - Unused. 42 SUBQ I Data input for CD sub Q data. 43 CD SQCK O Clock output for CD sub Q data. 44 R/W SELECT I GCTL & APC control. 45 OFFTPK O Switching port of capacitance for RF bright side envelope detection. 46 FLT RESET O Reset signal output to FL driver. 47 D MUTE O Mute control for CD DSP. 48 CD LD ON O Control port of CD laser diode. 49 CD RESET O Reset output to DSP IC. 50 CD DC OFF O Power control of 4channel BTL driver. 51 DISC OPEN O Control port of CD tray motor driver. 52 DISC UP O Control port of CD lift motor driver. 53 DISC DOWN O Control port of CD lift motor driver. 54 DISC CLOSE O Control port of CD tray motor driver.

55 TMC O Speed control port for CD mechanism.

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

Pin No. Pin Name I/O Pin Description

56 CD SW4 I Unclamp switch (SW4) input of CD mechanism. 57 CD SW5 I T.U High-A switch (SW5) input of CD mechanism. 58 CD SW7 I Holder Home switch (SW7) input of CD mechanism. 59 CD SW6 I T.U High-B switch (SW6) input of CD mechanism. 60 CD SW3 I Load /Clamp switch (SW3) input of CD mechanism. 61 CD SW11 I Photo2 (SW11) input of CD mechanism. 62 VCC - Power supply for microprocessor. 63 CD BOSS I Boss sensor input of CD mechanism. 64 VSS - GND 65 CD SW8 I Holder-H switch (SW8) input of CD mechanism. 66 CD SW2 I Tray Close/HP switch (SW2) input of CD mechanism. 67 CD SW1 I Tray Open switch (SW1) input of CD mechanism. 68 SENSOR I Sensor input of CD mechanism. 69 MD D. CON O Digital control port for level shift IC (IC206). 70 PROTECT2 I Detection port of protection2. 71 PROTECT1 I Detection port of protection1.

72~74 OPTION(1~3) - Unused.

75 POWER RELAY O Power relay control. 76 AMUTE O Audio mute control. 77 SP RELAY O Speaker relay control.

78~80 OPTION(4~6) - Unused.

81 MD O Mode control data output to D/A converter. 82 MC O Mode control clock output to D/A converter. 83 ML O Mode control latch output to D/A converter. 84 ST BY LED G O Timer LED (green) control terminal. 85 ST BY LED R O Standby LED (red) control terminal. 86 ENCODER A I Input port of rotary encoder (volume). 87 ENCODER B I Input port of rotary encoder (volume). 88 TU DC OFF O Power control port for tuner. 89 FAN IN I Detection port for fan level.

90~92 KEY(1~3) I Key signal inputs.

93 LEVEL L I Input port of REC amplifier. 94 LEVEL R I Input port of REC amplifier. 95 PLL CE O PLL chip enable. 96 AVSS - Analog ground. 97 N.C - Unused. 98 VREF - A/D,D/A reference voltage. 99 AVCC - Microprocessor power supply.

100 PLL DO I Input of PLL IC data.

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

6. Pin Description of IC's

6-1 Power Amplifier : STK402 (IC1) RD-HD5MD only

Pin No. Pin Name Pin Description

1 IN1 Main Rch input 2 NF1 Main Rch feed back 3 NC Unused 4 PVCC+ Pre power supply (+B) 5 BIAS Bias connection pin 6 VE1+ Main Rch (+) output 7 VE1- Main Rch (-) output 8 VCC+ Power supply (+B)

9 VCC- Power supply (-B) 10 VE2+ Main Lch (+) output 11 VE2- Main Lch (-) output 12 PVCC- Pre power supply (-B) 13 GND GND 14 NF2 Main Lch feed back 15 IN2 Main Lch input

6-2 Audio Selector / E. Volume IC : M61510FP (IC204)

Pin No. Pin Name I/O Pin Description

1 REF IN I Input pin of the reference amplifier.

2 REF OUT O Output pin of the reference amplifier. 3,40 CD(L,R) I Input pin of the CD. 4,39 MD(L,R) I Input pin of the MD. 5,38 TAPE(L,R) I Input pin of the Tape play. 6,37 TUNER(L,R) I Input pin of the TUNER. 7,36 AUX(L,R) I Input pin of the AUX. 8,35 IN VOL OUT(1,2) O Output pin of the input volume 1 and 2. 9,34 IN REC-C O Output pin of the volume input selector B1and B2.

10,33 VSEL A OUT - Capacitor connection pin for the volume changing noise reduction. 11,32 LOUD(1,2) - Frequency characteristic setting pin in the loudness part. 12,31 BI(1,2) - Frequency characteristic setting pin in the tone control (Bass). 13,30 BO(1,2) - Frequency characteristic setting pin in the tone control (Bass). 14,29 MI(1,2) - Frequency characteristic setting pin in the tone control (Mid). 15,28 MO(1,2) - Frequency characteristic setting pin in the tone control (Mid). 16,27 TRE(1,2) - Frequency characteristic setting pin in the tone control (Treble). 17,26 VSEL B OUT(1,2) O Output pin of the volume input selector B1and B2. 18,25 VOL IN(1,2) I Input pin of the main volume. 19,24 VOL OUT(1,2) O Output pin of the main volume.

20 VCC - Power supply (+5.0V) 21 DATA I Input pin of the serial data. 22 CLK I Clock input. 23 GND - GND 41 REC-B2 O REC-B2 output. 42 REC-B1 O REC-B1 output.

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

6-3 Rec Amplifier : BA6138 (IC205)

Pin No. Pin Name I/O Pin Description

1 MUTE - Mute control pin(Unused) 2 OUT1 O L ch output 3 DET1 - Unused 4 IN1 I Input of REC output (L ch) 5 GND - GND 6 IN2 I Input of REC output (R ch) 7 DET2 - Unused 8 OUT2 O R ch output 9 VCC - Power supply (+5.0V)

6-4 DSP IC : MN6627482WB( IC502)

Pin No. Pin Name I/O Pin Description

1 BCLK O Bit clock output for SRDATA. 2 LRCK O L, R clock signal output. 3 SRDATA O Serial data output. 4 DVDD1 - Digital power supply. 5 DVSS1 - Digital ground. 6 TX O Digital audio interface signal output. 7 MCLK I CPC command clock signal input. 8 MDATA I CPU command data signal input.

9 MLD I CPU command load signal input. Load 10 SENSE O Sense signal output(OFT, FESL, NACEND, NAJEND, SFG). 11 FLOCK O Focus servo signal output. 12 TLOCK O Tracking servo signal output. 13 BLKCK O Sub code block clock output. fBLKCK = 75Hz 14 SQCK I Sub code Q data clock input pin. 15 SUBQ O Sub code Q data signal output pin.. 16 DMUTE I Connected to be ground. Mute 17 STAT O Status signal output. 18 RST I Reset signal input. Reset

19 SMCK O

20 PMCK O

21 TRV O Traverse forced feed output. 22 TVD O Traverse drive output. 23 PC O Spindle motor on signal output. L : ON (Default) 24 ECM O Drive signal output for spindle motor (forced mode output). 25 ECS O Drive signal output for spindle motor (servo error signal output). 26 KICK O Kick pulse output for tracking driver. 27 TRD O Tracking servo drive output. 28 FOD O Focus drive output. 29 VREF I Reference power supply for DA output section. 30 FBAL O Focus balance adjusting output. 31 TBAL O Tracking balance adjusting output. 32 FE I Focus error signal input (analog input). 33 TE I Tracking error signal input (analog input). 34 RFENV I RF envelope signal input (analog input).

35 VDET I/O Software vibrating detection monitor output when command is Detected

36 OFT I Off track signal input. Off Track

8.4672MHz clock signal output when MSEL is H.

4.2336MHz clock signal output when MSEL is L.

88.2kHz clock signal output when default. Play signal output when command is carry out.

Vibrating detection signal input when default.

executed.

Active

Play

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

Pin No. Pin Name I/O Pin Description

37 TRCRS I Track cross signal input pin (analog input). 38 RFDET I RF detector signal input pin. Detected 39 BDO I Drop out signal input. Drop Out 40 LDON O Laser on signal output. ON 41 PLLF2 I/O PLL loop filter switching pin. 42 TOFS O Tracking offset adjusting output.

43 WVEL O Double speed status signal output.

44 ARF I RF signal input. 45 IREF I Reference current input pin. 46 DRF I DSL bias pin. 47 DSLF I/O DSL loop filter pin. 48 PLLF I/O PLL loop filter pin. 49 VCOF I/O VCO loop filter pin. 50 AVDD2 - Analog power supply for DSL, PLL, and DA output section. 51 AVSS2 - Analog ground for DSL, PLL, and DA output section.

52 EFM/CK384 O

53 PCK/DSLB O PLL clock output (fPCK = 4.3218MHz) or DSL balance output. 54 VCOF2 I/O Jitter free VCO loop filter pin. 55 SUBC O Sub code serial output. 56 SBCK I Clock input for sub code serial output. 57 VSS - GND 58 X1 I Crystal oscillation circuit input. f =16.9344MHz, 33.8688MHz 59 X2 O Crystal oscillation circuit output. f =16.9344MHz, 33.8688MHz 60 VDD - Power supply for crystal oscillation circuit.

61 BYTCK O

62 CLDCK O Sub code frame clock signal output (fCLDCK = 7.35kHz) when

63 FCLK O Crystal frame clock signal output (fFCLK = 7.35kHz) when

64 IPFLAG O Interpolation flag signal output. 65 FLAG O Flag signal output. 66 CLVS O Spindle servo phase synchronism signal output. CLV 67 CRC O Sub code CRC checked output. OK NG 68 DEMPH O De-emphasis detection signal output. ON

69 RESY O when IOSEL is H.

70 IOSEL I Switching pin for mode. 71 TEST I Test pin. Normal 72 AVDD1 - Analog power supply for audio output section. 73 OUTL O L ch audio output. 74 AVSS1 - Analog ground for audio output section. 75 OUTR O R ch audio output.

76 RSEL I RSEL is L when bright level is L.

EFM signal output when IOSEL is H.

16.9344MHz clock output when IOSEL is L.

Bite clock signal output when IOSEL is H. Traverse stop signal output when IOSEL is L. General IO pin when default.

command is carry out. General IO pin when default.

command is carry out.

Re-frame synchronism signal RESY output of frame synchronism

H : Synchronized L : Non synchronized

• RF signal polarity assignment pin when default. RSEL is H when bright level is H.

• General IO pin when command is executed. RF signal polarity assignment is set by command.

Stop Mode

Active

Double

Speed

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

Pin No. Pin Name I/O Pin Description

77 CSEL I

78 PSEL I

79 MSEL I

80 SSEL I

6-5 D/A Converter : PCM1742 (IC507)

Pin No. Pin Name I/O Description

1 BCK I Audio data bit clock input. 2 DATA I Audio data digital input. 3 LRCK I Audio data latch enable input. 4 DGND - Digital ground. 5 VDD - Digital power supply (+3.3V). 6 VCC - Analog power supply (+5V). 7 VOUTL O Analog output for L-channel. 8 VOUTR O Analog output for R-channel.

9 AGND - Analog ground. 10 VCOM - Common voltage decoupling. 11 ZEROR O Zero flag output for R-channel. 12 ZEROL O Zero flag output for L-channel. 13 MD I Mode control data input. 14 MC I Mode control clock input. 15 ML I Mode control latch input. 16 SCK I System clock input.

Designation of oscillation frequency. H : f = 33.8688MHz L : f = 16.9344MHz Test pin (Normal : L ) when IOSEL is H. SRDATA input when IOSEL is L. SMCK output when IOSEL is H. Switching pin of frequency. H : SMCK = 8.4672MHz L : SMCK = 4.2336MHz LRCK input when IOSEL is L. H : Lch data, L : Rch data SMCK = 4.2336MHz (Fixed) SUBQ output mode switching pin when IOSEL is H. H : Q code buffer use mode L : CLDCK synchronism mode BCLK input when IOSEL is L. Q code buffer use mode

Active

6-6 Digital Signal Processor : CXD2664R (X33, IC1)

Pin No. Pin Name I/O Pin Description

1 MNT0 I/O Monitor output.

2~4 MNT(1~3) O Monitor output.

5 VDC0 - CORE power supply.

6 SWDT - Data input for microcomputer serial interface.

7 SCLK - Shift clock input for microcomputer serial interface.

8 XLAT - Latch input for microcomputer serial interface. Latched at the falling edge.

9 VSC0 - CORE GND. 10 SRDT O Data output for microcomputer serial interface.

11 SENS O

12 XRST I Reset input. Low : reset 13 SQSY O Disc subcode Q sync/ADIP sync output. 14 DQSY O U-bit CD or MD format subcode Q sync output when the digital in source is CD or MD. 15 RPWR I Laser power switching. High : recording power, Low : playback power 16 XINT O Interrupt request output. Low when the interrupt status occurs. 17 TX I Enable signal input for recording data output. High : enable 18 VDIO0 - I/O power supply. 19 OSCI I Crystal oscillation circuit input. 20 OSCO I/O Crystal oscillation circuit output. (Input when OSCN = high.)

Outputs the internal status corresponding to the microcomputer serial interface address.

RD-HD5MD/HD7

CIRCUIT DESCRIPTION

Pin No. Pin Name I/O Pin Description

21 OSCN I Control for feedback resistor and inverter inside oscillation circuit. 22 VSIO0 - I/O GND.

OSCI pin input frequency switching.

23 XTSL I

24,25 DIN (0,1) I Digital audio interface signal input (0,1).

26 DOUT O Digital audio interface signal output. 27 DATAI I 3-wire data input for recording. 28 LRCKI I 3-wire LR clock input for recording. 29 XBCKI I 3-wire bit clock input for recording. 30 VDC1 - CORE power supply. 31 VSC1 - CORE GND. 32 ADDT I Data input from A/D converter. 33 DADT O REC monitor output/decoding audio data output. 34 LRCK O LR clock output to external audio block. 35 XBCK O Bit clock output to external audio block. 36 F256 O 256Fs output. 37 XWE O External DRAM write enable output. 38 XOE O External DRAM read enable output. 39 DRVDD0 - DRAM interface power supply. 40 DRVSS0 - DRAM interface GND. 41 A11 O External DRAM address output.

42~45 D3,D0,D2,D1 I/O External DRAM data bus.

46 XCAS O External DRAM XCAS output. 47 XRAS O External DRAM XRAS output.

48~56

57 VDC2 - CORE power supply. 58 VSC2 - CORE GND.

59,60 A04,A03 O External DRAM address output.

61 DRVDD1 - DRAM interface power supply. 62 DRVSS1 - DRAM interface GND.

63,64 TEST(0,1) I Connect to the analog power supply.

65 TEST2 O No connected. 66 AVD1 - Analog power supply. 67 ASYO O Playback EFM full-swing output. 68 ASYI I Playback EFM comparator slice voltage input. 69 BIAS I Playback EFM comparator bias current input. 70 RFI I Playback EFM RF signal input. 71 AVS1 - Analog GND.

72 PCO O

73 FILI I Filter input for master PLL of playback digital PLL and recording EFM PLL. 74 FILO O Filter output for master PLL of playback digital PLL and recording EFM PLL.

75 CLTV I

76 PEAK I Peak hold signal input for quantity of light. 77 BOTM I Bottom hold signal input for quantity of light. 78 ABCD I Signal input for quantity of light. 79 FE I Focus error signal input. 80 AUX1 I Auxiliary input 1. 81 VC I Center voltage input. 82 ADIO O Test. No connected.

A09~A10,A07,A00,

A06,A01,A05,A02

512Fs (22.5792MHz) when XTSL 1 (command) =low and XTSL = high. 1024Fs (45.1584MHz) when XTSL 1 = low and XTSL = low. 2048Fs (90.3168MHz) whe

O External DRAM address output.

Phase comparison output for master PLL of playback digital PLL and recording EFM PLL.

Internal VCO control voltage input for master PLL of playback digital PLL and recording EFM PLL.

+ 30 hidden pages