HARMAN KARDON CD91 ULTRAWIDEBAND LINEAR PHASE CASSETTE DECK CIRCUIT DIAGRAM, EXPLODED VIEW OF MECHANISM AND WIRING DIAGRAM

 

 Exploded views of CD mechanism, tape deck, full circuit diagram and wiring diagram.

Exploded view

Exploded view - tape deck

Full circuit diagram

Wiring diagram

 CD191 Harman Kardon Ultrawidband Linear Phase Cassette Deck schematic, exploded view of the deck mechanism

The deck mechanism exploded view

The Harman Kardon CD191 exploded view

Wiring diagram

Schematic full

HARMAN KARDON CA260 HIGH FIDELITY CAR AMPLIFIER IDLING CURRENT ADJUSTMENT, SCHEMATIC, WIRING DIAGRAM AND EXPLODED VIEW

Power Output, RMS

: 60 watts per channel into 4 Ohms, 20 ~ 20,000Hz

: 90 watts per channel into 2 Ohms, 20 ~ 20,000Hz

: 180 watts bridged mono into 4 Ohms, 20 ~ 20,000Hz

Alignment procedure: Idling current adjustment

Conditions:

-Connect the DC voltmeter between TPl and TP2 and between TP3 and TP4.

-Connect a 13. 8V power supply to the 12V Battery

Power In terminal.

-After the power on, wait for 5 minutes before measuring to be sure of the most stable operation.

Inspection:

-Confirm that the idling current is 50mA :t 20mA (voltage: 33mV:t 13mV).

If the current measured does not fall within the range specified , adjust it with the procedure below.

Adjustment

Note: When replacing or disconnecting a resistor, disconnect the power supply first.

After the adjustment is complete, let the unit settle down for 10 minutes, than double-check that the idling current is set properly.

Exploded view

Schematic diagram

Wiring diagram

Protection circuit

If the temperature inside the CA260 rises above 80 the protection circuit comes into operation , decreasing output. At this time the protect indicator blinks. If the temperature comes back below 80 C by natural cooling, output returns as it was.

If the temperature rises above 100 , the power supply circuit is shut off . Not only does the output stop, but also the protect indicator goes out. If this happens, it is possible that the CA260 is broken. However, even in this state, it cannot be always said that it is broken because the unit may operate when the temperature comes back below 80 C by natural cooling.

HARMAN KARDON DMC250 -230 DIGITAL MEDIA CENTER POWER SUPPLY CIRCUIT – ICE3B0365 - DVD PLAYER

Harman kardon DMC250 -DMC230 ICE3B0365 Off-Line SMPS Current Mode Controller

The CoolSET F3(Jitter version) meets the requirements for Off-Line Battery Adapters and low cost SMPS for the lower power range. By use of a BiCMOS technology a wide VCC range up to 26V is provided. This covers the changes in the auxiliary supply voltage if a CV/CC regulation is implemented on the secondary side. Furthermore an Active Burst Mode is integrated to fulfill the lowest Standby Power Requirements <100mW at no load and Vin = 270VAC. As during Active Burst Mode the controller is always active there is an immediate response on load jumps possible without any black out in the SMPS. In Active Burst Mode the ripple of the output voltage can be reduced <1%. Furthermore Auto Restart Mode is entered in case of Overtemperature, VCC Overvoltage, Output Open loop or Overload and VCC Undervoltage. By means of the internal precise peak current limitation, the dimension of the transformer and the secondary diode can be lowered which leads to more cost efficiency.

Features
# 650V Avalanche Rugged CoolMOS with built in switchable Startup Cell
# Active Burst Mode for lowest Standby Power
@ light load controlled by Feedback Signal
# Fast Load Jump Response in Active Burst Mode
# 67 kHz fixed Switching Frequency
# Auto Restart Mode for Over temperature Detection
# Auto Restart Mode for Overvoltage Detection
# Auto Restart Mode for Overload and Open Loop
# Auto Restart Mode for VCC Undervoltage
# User defined Soft Start
# Minimum of external Components required
# Max Duty Cycle 75%
# Overall Tolerance of Current Limiting < ±5%
# Internal Leading Edge Blanking
# BiCMOS technology provides wide VCC Range
# Frequency Jittering for Low EM

Pin configuration 

Pin	Symbol	Function
1	SoftS	Soft-Start
2	FB	Feedback
3	CS	Current Sense/ 650V1) CoolMOS® Source
4	Drain	650V1) CoolMOS® Drain
5	Drain	650V1) CoolMOS® Drain
6	N.C.	Not Connected
7	VCC	Controller Supply Voltage
8	GND	Controller Ground

Pin Functionality

Soft (Soft Start, Auto Restart & Frequency Jittering Control)
The SoftS pin combines the function of Soft Start during Start Up and error detection for Auto Restart Mode. These functions are implemented and can be adjusted by means of an external capacitor at SoftS to ground. This capacitor also provides an adjustable blanking window for high load jumps, before the IC enters into Auto Restart Mode. Furthermore this pin is also used to control the period of frequency jittering during normal load.
FB (Feedback)
The information about the regulation is provided by the FB Pin to the internal Protection Unit and to the internal PWM-Comparator to control the duty cycle. The FBSignal controls in case of light load the Active Burst Mode of the controller.
CS (Current Sense)
The Current Sense pin senses the voltage developed on the series resistor inserted in the source of the integrated CoolMOS. If CS reaches the internal threshold of the Current Limit Comparator, the Driver output is immediately switched off. Furthermore the current information is provided for the PWMComparator to realize the Current Mode.
Drain (Drain of integrated CoolMOS)
Pin Drain is the connection to the Drain of the internal CoolMOS.
VCC (Power supply)
The VCC pin is the positive supply of the IC. The operating range is between 10.3V and 26V.
GND (Ground)
The GND pin is the ground of the controller.

HARMAN KARDON CD91 CIRCUIT DIAGRAM AND EXPLODED VIEW WITH COMPONENT LIST. CASSETTE DECK MECHANISM EXPLODED VIEW

Ultrawideband Linear Phase Cassette Deck – Harman Kardon CD91 circuit diagram and exploded view with component list.

Cassette Deck mechanism exploded view

Exploded view

Schematic [circuit diagram]

Wiring diagram

THE HARMAN KARDON – PM640 – AMPLIFIER – CIRCUIT DIAGRAM

The Harman Kardon – PM640 – amplifier – Circuit Diagram

 Hi-Current Capability Integrated Amplifier - Harman Kardon PM640 – Schematic

RMS Power Output > 35W

Power Supply > AC120V – 60Hz

Weight > 6.4kg

SCHEMATIC

PWB

CLICK ON THE PICTURES TO MAGNIFY

HARMAN/KARDON - DVD 26-28 – DVD 39-49 ANF DVD 50 – 50 FIVE DISC CHANGER – SMPS CIRCUIT DIAGRAM

harman/kardon - DVD 26-28 – DVD 39-49 anf DVD 50 – 50 Five disc changer – SMPS Circuit Diagram

Power Supply Schematic – harman/kardon – DVD50 5 Disc changer – DVD26-28 – DVD39-49 – Harman/kardon DVD players

DVD 26 - 28 SMPS SCHEMATIC

DVD 39 - 49 SMPS SCHEMATIC

DVD 50 - 5 disc changer

Click on the schematic to zoom in

HARMAN/KARDON DVD 50 – CIRCUIT DIAGRAM – DISASSEMBLY - 5 DISC DVD CHANGER

Harman/kardon DVD 50 – Circuit Diagram – Disassembly - 5 Disc DVD Changer

Applicable Discs: 5-inch (12cm) or 3-inch (8cm) DVD-Movie, CD, Video CD, MP3-CD, HDCD, CD-R or CD-RW discs.

Region 1 DVD-Movie discs
DVD: Single/Single Layer, Single Side/Dual Layer, Dual Side/Dual Layer
Linear PCM, Dolby Digital or DTS Audio
Video Signal System: NTSC
Composite Video Output: 1Vp-p/75 Ohms, sync, negative polarity
S-Video: Y/Liminace: 1Vp-p/75 Ohms, sync, negative polarity
C/Chrominance: 0.286Vp-p
Component Video Output: Y: 1Vp-p/75 Ohms, sync, negative polarity
Pr: 0.7Vp-p/75 Ohms
Pb: 0.7Vp-p/75 Ohms
Progressive Scan Output: Y: 1Vp-p/75 Ohms, sync, negative polarity
Pr: 0.7Vp-p/75 Ohms
Pb: 0.7Vp-p/75 Ohms
Analog Audio Output: HDCD: 2.0V RMS +/– 0.2V
Others: 1.0Vp-p RMS +/– 0.2V
Coaxial Digital Audio Output: 0.5Vp-p/75 Ohms
Frequency Response: 4Hz – 22kHz +/– 0.5dB (48kHz sampling)

AC Power: 100 – 240VAC 50/60Hz (Refer to back of the set.)
Power Consumption: 18 Watts

DISASSEMBLY

Tray Door
1.Eject the disc tray.
2.Lift up the tray door in the direction of the arrow.

Front Panel
1. Eject the disc tray. (See Fig. 2-2)
2. Remove the tray door. (See Fig. 2-2)
3. Pull the front panel toward you while pressing
5 stoppers to disengage, and remove the front panel.

CIRCUIT BOARD DISASSEMBLY

[Before removing the main circuit board, be sure to shortcircuit the laserdiode output land.  After replacing the main circuit board, open the land after inserting the flexible connector.]

Disassemble Main circuit board, Jack circuit board, Power circuit board and MD Ass'y DPM1.

1. Remove the top case. 

2. Remove 10 screws (B).

3. Disassemble Main circuit board and Jack circuit board from Bracket Main.

4. Unscrew 3 screws(C) at Bracket Main.

5. Disassemble Bracket Main from Main chassis.

6. Unscrew 4 screws(D) at MD Ass'y DPM1.

7. Turn the portion the direction of arrow to move the Base Assembly Tray in front of you.

8. Release the other 3 screws(E).

9. Disassemble MD Ass'y DPM1 from Main chassis.

10. Unscrew 4 screws(F) at Power circuit.

11. Disassemble power circuit board from Main chassis.

Digitron and Key Circuit Board

1. Remove the front panel. 

2. Release 5 screws (G), and remove the digitron circuit board.

Exploded view

DVD DSP SCHEMATIC

DRIVE AND RF SCHEMATIC

PANTERA SCHEMATIC

MEMORY SCHEMATIC

TIMER AND KEY SCHEMATIC

AV SCHEMATIC

AV JACK SCHEMATIC

HARMAN KARDON - HK-3370 _ HK-3470 - STEREO AMPLIFIER - POWER AMP-SCHEMATIC]

HARMAN KARDON - HK-3370 _ HK-3470 - Stereo Amplifier - POWER AMP-SCHEMATIC]

POWER AMPLIFIER & PRE-AMPLIFIER _ SCHEMATIC

CLICK ON THE Pictures TO ZOOM IN

HARMAN KARDON HT32 - HT40 - HT46 - LCD TV - POWER SUPPLY VOLTAGES

HARMAN KARDON HT32 - HT40 - HT46 - LCD TV - POWER SUPPLY VOLTAGES

SMPS BOARD

VOLTAGE CHART

HARMAN KARDON - MAS101-MAS102-MAS111 - SCHEMATIC (IRF14212H-117P_FSFR2100)

HARMAN KARDON - MAS101-MAS102-MAS111 - SCHEMATIC (IRF14212H-117P_FSFR2100)

SPECIFICATIONS

System

Power output 65 watts per channel, 20hz – 20khz, thd<0.07%, into 6 ohms, both channels driven

Bandwidth 20hz – 35khz, –3dB

System frequency response 20hz – 20khz, ±0.5dB

Signal-to-noise ratio, a-weighted 90dB (analog inputs), 96dB (digital inputs) channel separation ≥65dB crosstalk between sources ≥70dB

Line-level input sensitivity at 1khz 250mV rMS, ±1dB

Phono MM input sensitivity at 1khz 7.5mV

Loudspeakers

Low-frequency transducers two 130mm honeycomb composite drivers, ported high-frequency transducers two 25mm MMd domes, shielded nominal impedance 8 ohms

Sensitivity (2.83V/1m) 85dB

frequency response 60hz – 25khz (–3dB) crossover frequency 2200hz

FM Tuner Section frequency range 87 – 108.0Mhz usable sensitivity Ihf1.3µV/13.2dBf frequency response 10hz to 15.3khz Signal-to-noise ratio mono/stereo 68/65dB distortion mono/stereo 0.15/0.3%

Stereo separation 35dB @ 1khz, 100% deviation @ 65dBf

Selectivity ±300khz; 65dBf

Image rejection 80dB. Ifrejection 90dB tuner output level 1khz, ±50khz, dev 500mV number of presets 30 rdS capability PS (program service), rt(dynamic radio text)

AMP SCHEMATIC  (Click on the Schematics to Zoom In)

SMPS SCHEMATIC

HARMAN / KARDON DVD 25 - SMPS SCHEMATIC [CIRCUIT DIAGRAM] (NDV8501 - NDV8601)

harman / kardon DVD 25 - SMPS SCHEMATIC [Circuit Diagram] (NDV8501 - NDV8601)

harman/kardon NDV8501 / NDV8601 Based Progressive Scan DVD Player

Model Number: DVD25

Compactable with CD as well as DVD with Region Code ‘0’ or ‘2’

SMPS SCHEMATIC [Click on the pictures to Zoom In]

To reset the unit

* Set the unit in SY-BY.

* Push “Clear” button on the remote control, until the unit Power ON. [This will not change the Zone]

To read the software version.

* Set the unit in ON mode.

* Push Set-up button on the remote control.

* Push ‘1211’, and then a new menu showing the data of the unit.

To Exit, push Set-up.