Harman Kardon HK-3480 Service manual

HK 3380 HK3480 Stereo Receiver

SERVICE MANUAL

Power for the Digital Revolution

SPEAKER 1

SPEAKER 2

MUTE

AUTO

TUNED

STEREO

RDS

PTY CT RT TA

PHONO

MEMORY

PRESET

SLEEP

VID 1

VID 2

VID 3 TAPE M.

TECHNICAL SPECIFICATIONS HK3380

Technical Specifications HK3380/230

Audio Section

Stereo Mode Continuous Average Power (FTC)

80 Watts per channel, 20Hz –20kHz @ < 0.07% THD, both channels driven into 8 ohms 100 Watts per channel, 20Hz–20kHz @ < 0.2% THD, both channels driven into 4 ohms

Input Sensitivity/Impedance

Linear (High Level) 200mV/47kohms

Signal-to-Noise Ratio (IHF-A) 95dB Frequency Response

@ 1W (+0dB, –3dB) 10Hz– 110kHz

High Instantaneous Current Capability (HCC) ±42 Amps

Transient Intermodulation Distortion (TIM) Unmeasurable

Rise Time 16 µsec Slew Rate 40V/µsec

FM T uner Section

Frequency Range 87.5 –108MHz Usable Sensitivity IHF: 1.12 µV/13.5dBf Signal-to-Noise Ratio Mono/Stereo: 73/72dBA (DIN) Distortion Mono/Stereo: 0.3/0.4% Stereo Separation 40dB @ 1kHz Selectivity ±400kHz, 65dB Image Rejection >80dB IF Rejection >100dB

AM T uner Section

Frequency Range 520 –1710kHz Signal-to-Noise Ratio >40dB Usable Sensitivity Loop: 500µV/M Distortion 1kHz, 50% Mod: 0.8% Selectivity ±10kHz: >25dB

Video Section

Television System NTSC/PAL/SECAM Signal Format Composite Input Level 1Vp-p Input Impedance 75 ohms, unbalanced Sync Polarity Negative Output Level 1Vp-p Output Impedance 75 ohms, unbalanced Video Frequency Response 10Hz – 10MHz

General

Power Requirement AC 230V/50Hz Power Consumption 3W standby, 200W maximum

(both channels driven)

Dimension (Max)

Width 442mm Height 168mm Depth 382mm Weight 9.5kg

Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman International Industries,Incorporated.

Technical Specifications HK3480

Audio Section

Stereo Mode Continuous Average Power (FTC)

100 Watts per channel, 20Hz–20kHz @ < 0.07% THD, both channels driven into 8 ohms 135 Watts per channel, 20Hz–20kHz @ < 0.2% THD, both channels driven into 4 ohms

Input Sensitivity/Impedance

Linear (High Level) 200mV/47kohms

Signal-to-Noise Ratio (IHF-A) 95dB Frequency Response

@ 1W (+0dB, –3dB) 10Hz– 110kHz

High Instantaneous Current Capability (HCC) ±40 Amps

Transient Intermodulation Distortion (TIM) Unmeasurable

Rise Time 16 µsec Slew Rate 40V/µsec

FM T uner Section

Frequency Range 87.5 –108MHz Usable Sensitivity IHF: 1.12 µV/13.5dBf Signal-to-Noise Ratio Mono/Stereo: 71/67dBA (DIN) Distortion Mono/Stereo: 0.3/0.4% Stereo Separation 40dB @ 1kHz Selectivity ±300kHz, 60dB Image Rejection >80dB IF Rejection >100dB

AM T uner Section

Frequency Range 520 –1710kHz Signal-to-Noise Ratio >40dB Usable Sensitivity Loop: 500µV/M Distortion 1kHz, 50% Mod: 0.8% Selectivity ±9kHz: >25dB

General

Power Requirement AC 230V/50Hz Power Consumption 72W idle, 470W maximum

(both channels driven)

Dimension (Max)

Width 442mm Height 156mm Depth 415mm Weight 12.1kg

Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon is a registered trademark, and Power for the digital revolution is a trademark, of Harman Kardon, Inc. VMAx is a registered trademark of Harman International Industries, Inc.,and is an implementation of Cooper Bauck Transaural Stereo under patent license.

TECHNICAL SPECIFICATIONS HK3480

DISASSEMBLY PROCEDURES

<1> TOP-CABINET(21) REMOVAL

1. Remove 13 screws(S1) and then remove the Top-cabinet.

<2> FRONT PANEL ASS’Y REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Disconnect the lead wire(BN71-12P,BN72-5P) on the Tone PCB(38) from connector(CN71,CN72) on the

Main PCB(44).

3. Disconnect the lead wire(BN82-7P) on the Front PCB(37) from connector(CN82) on the Main PCB(44).

4. Disconnect the connector(CN81-20P wire assy) on the Front PCB(37) from connector(CN81)

on the Main PCB(44).

5. Disconnect the lead wire(BN73-3P) on the Phone PCB(40) from connector(CN73) on the Main PCB(44).

6. Disconnect the lead wire(BN89-7P) on the Front PCB(37) from connector(CN73) on the Download PCB(44).

7. Remove 1 screw(S10) and then lead wire(JW73-2P) on the Phone PCB(40).

8. Remove 1 screw(S10) and then lead wire(JW72-1P) on the Tone PCB(38).

9. Remove 9 screws(S1) and then remove the Front Panel ASS’Y.

<3> TONE PCB(38) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Remove the Front Panel ASS’Y, referring to the previous step<2>.

3. Pull out the Volume Knob ASS’Y & 3 Rotary Knobs(5).

4. Remove 9 screws(S1,S11) and then remove the Tone PCB(38).

5. Disconnect the lead wire(BN83-4P) from connector(CN83) on the Tone PCB(38).

<4>PHONE PCB(40) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Remove the Front Panel ASS’Y, referring to the previous step<2>.

3. Remove 2 screws(S2,S3) and then remove the Phone PCB(16).

<5>POWER LED PCB(39) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Remove the Front Panel ASS’Y, referring to the previous step<2>.

3. Remove 2 screws(S2) and then remove the Power led PCB(39).

4. Disconnect the lead wire(BN84-4P) from connector(CN84) on the Power led PCB(39).

<6>FRONT PCB(37) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Remove the Front Panel ASS’Y, referring to the previous step<2>.

3. Remove the Tone PCB(38), referring to the previous step<3>.

4. Remove the Phone PCB(40), referring to the previous step<4>.

5. Remove the Power led PCB(39), referring to the previous step<5>.

6. Remove 13 screws(S2) and then remove the Front PCB(37).

<7>TUNER MODULE(34) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Disconnect the connector(CON1-Card cable) from connector(CN26) on the Main PCB ASS’Y(44).

3. Remove 2 screws(S8) and then remove the Tuner Module(34).

<8>VIDEO PCB(43) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Disconnect the connector (CN91) on the Main PCB ASS’Y(44) from lead wire(BN91-9P)

on the Video PCB(43).

3. Remove 4 screws(S8,S13) and then remove the Video PCB(43).

<9>DOWNLOAD PCB(42) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Disconnect the connector (CN89) from lead wire(BN89-7P) on the Front PCB(37).

3. Remove 2 screws(S4) and then remove the Download PCB(42).

<10>POWER TRANS(30) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Disconnect the connector (CN62,CN63,CN64) on the Trans PCB from lead wire(BN62-2P,BN63-3P,BN64-6P)

on the Main PCB(44).

3. Remove 4 Trans screws(S9) and then remove the Power Trans(30).

<11>MAIN PCB ASS’Y(44) REMOVAL

1. Remove the Top-cabinet, referring to the previous step<1>.

2. Remove the Power Trans(30), referring to the previous step<10>.

3. Disconnect the connector(CN81-20P wire ass’y) from connector(CN81-7P) on the Front PCB(37).

4. Disconnect the connector(CN82) from lead wire(BN82-7P) on the Front PCB(37).

5. Disconnect the connector(CN71) from lead wire(BN71-12P) on the Tone PCB(38).

6. Disconnect the connector(CN72) from lead wire(BN72-5P) on the Tone PCB(38).

7. Disconnect the connector(CN73) from lead wire(BN73-3P) on the Phone PCB(40).

8. Disconnect the connector(CN91) from lead wire(BN91-9P) on the Video PCB(43).

9. Disconnect the connector(CN26-Card cable) from lead wire(CON1) on the Tuner Module(34).

10. Disconnect the connector(CN61) from Power cord(35).

11. Remove 21 screws(S8-11EA, S13-1EA, S4-2EA, S6-2EA, S15-1EA, S12-3EA, S5-1EA) and then

remove the Main PCB ASS’Y(44).

HK3380/230 HK3480/230

HK3380/230 EXPLODED VIEW

HK3480/230 EXPLODED VIEW

HK3380/230

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