Pioneer QL-600A KLW User manual

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4.CHANI\EL DECODER AMPLIFIER
QL-ooo A/ rc-w, Fvw
NOTE:
MODEL QL-600A COMES IN TWO VERSIONS DISTINGUISHED AS FOLLOWS:
Round label on
rear panel Voltage Type
KLW
FVW 120V only
5-position selector LA approved (Los Angeles)
General export model
(72EO2M6 I H> rrloNEElil'

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CONTENTS
SPECIFICATIONS
CONNECTION DIAGRAM
CIRCUIT DESCRIPTION
4.1 B lock diagram
4.2 Signa I paths
DISASSEMBLY
PARTS LOCATION
PACKING METHOD AND PARTS NUMBERS .........".
SCHEMATIC DIAGRAMS, PCB PATTERNS AND PARTS LIST
8.1 Unit connection diagram and miscellaneous parts
8.2 lnput-output unit
8.3 Decoder unit ......'......'.
8.4 Logic unit
8.5 Meter amp unit '............
8.6 Control amp unit
8.7 Main amp unit ............'.
8.8 Power supply unit ..........."..
2
3
5
7
I
10
11
12
13
19
20
25
28
33
35
39

1. SPECTF|CAT|ONS
SEMICONDUCTORS
FETs 2
Transistors 54
Diodes 17
POWER AMPLIFIER SECTION
Music Power Output (lHF) 44W (4S})
36W (8A)
Continuous Power Output 16W/16W (4f,))
(each channel driven) 13W/13W (8S))
Continuous Power Output 12Wl12W (4o,).
(both channels driven) 10W/10W (8S/)
Harmonic Distortion Less than 0.5% (continuous power output)
lntermodulation Distortion Less than 0.7% (continuous power output)
Power Bandwidth (lHF) 20Hzto 30kHz (8f,l, H.D. less than 0.5%)
Frequency Response 20Hzto 20kHz,t1dB
Speakers Outputs 1 pair (4 to 16O)
Damping Factor 40 (8f2. lkHz)
PREAMPLIFIER SECTION (MATRIX-DECODER SECTION}
Output Voltage (OUTPUT) 1V (rated output),
3V (maximum output)
Harmonic Distortion Less than 0.5%
(maximum output)
Frequency Response 2OHz to 2OkHz,11.5dB .
lnput Sensitivity/lmpedance 2 CH INPUT 100mV/60kO
(1kHz, for rated output) 4CH AUX 100mV/120kS2
2CH/4CH TAPE MONITOR 200mVl12}kSl"
Recording Output 2CH|4CH TAPE REC
(at 100mV input) 100mV (pin jack)
2CH TAPE REC
20mV (DlN connector)
BASS Control -11d8, + 12dBl'tOOHz
TREBLE Control -10d8, + 9.5d8/10kHz
Hum and Noise (lHF) AUX more than g0dB
MISCELLANEOUS
Power Requirements 12OV 6OHz, or 110V, 120V, 130V,22OY and
240V (switchable) 50-60H2
Power Consumption 55W (max.)
Dimensions (overall) 16-15116in.1430mm (width)
5-7 I 16in.l 138mm ( heisht)
13-1 / 4in.l 337mm (depth)
Weight Without package 18 lb/8.1 kg
With package 22lbl1o.1 kg
Furnished Parts Connection cords with pin plugs 2
Fuse 0.5A (5 line voltage model only) 1
Fuses 1A 2 Speaker plugs 2
Pin plug 4 Polishing cloth j
Operating lnstructions 1
NOTE: Specifications and the design subject to possible modification without notice
due to improvements.
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6" PARTS LOCATION
MODE SWITCH
l\sB-016-0
I
DECODER UNIT
AWM-031-O
MAIN AMP UNIT
AWH-OO5.A POWER SUPPLY UNIT
AWR-016-0
clL-cictetA
METER AMP t.'NIT
AWM-020-0
ELECTROI-YT!C
CAPACITOR
ACH-008-A
CCINTROL A&/IP UNIT
AWG-009-0 4-GANG VOLUME COIUTROL
ACV-304-O I
POWER TRANSFORMER
ATT-079-O (KLW}
ATT-080-0 (FVW)
@
o
@
o@ oo @o
@ MM o MM @ MM @
11

7. PACKING METHOD AND PARTS NUMBERS
STVROL SPACER
AHA-006-A
STYROTECTOR
H 1 1-O34-D
STYROTECTOR
H11-O34-D
PROTECTOR
AHB-OO9.A i?
\NY/
PACKING CASE
AHD-109-O (KLWI
AHD-l 10-0 (FVW)
t2