Read Harman Kardon HD 755 (serv.man9) Service Manual online
HD750 Preliminary Production Specification Version 0.1
GENERAL INFORMATION
1. Power Consumption
Operating
<
18W; Standby <5W
2. Power Super 230V AC 50Hz
3. Dimensions
440 x 130 x 386mm
4. Product Outlook
Refer to attached diagram
5. Remote Unit
harman/kardon remote code
6. Compliance Requirement
i EMC EN55013, EN61000-3-2,
EN61000-3-3, EN55022
ii. CE (LVD EN60065)
iii.
HDCD
7. Sound Processor
HDCD
8. CD Servo System
Digital Servo, Auto Alignment
AUDIO SPECIFICATION
Typical Limit
Output Level 1KHz 0dB (no HDCD)
1.0 Vrms
+-1dB
Output Level 1KHz 0dB (HDCD output)
2.0Vrms
+- 2dB
Frequency Response 20Hz~20KHz reference
+0-1dB
+0.5-1.5dB
THD 1KHz 0dB (30KHz Filter)
0.006%
0.01%
THD 1KHz 0dB (no any filter)
0.03%
0.08%
THD 20Hz~20KHz 0dB (30KHz Filter)
0.04%
0.05%
S/N 1KHz 0dB A-weighted (A Filter)
96dB
96dB
Dynamic Range
95dB
95dB
Channel Separation 1KHz 0dB(30KHz Filter)
94dB
90dB
Channel Balance
+-0.5dB
+-1.5dB
De-emphasis (5KHz,16KHz)
+-0.5dB
+-1.5dB
Headphone output specification under 32 ohm load
Maximum Headphone Output Level 1KHz 0dB
1.5Vp-p
+-0.2V
Frequency Response (20~20KHz)
+-1dB
+-1.5dB
THD 20~20KHz 0dB (30KHz Filter)
0.1%
0.2%
Test Disc Specification
Typical
Limit
Black Dot TCD 725B
1000um
600um
HD755
7
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