Pioneer SC-LX78 Service Manual

4
SC-LX88-K
1
2 3 4
A
B
C
D
E
F
1
2 3 4
Notes : The numbers in the remarks column correspond to the numbers on the “EXPLODED VIEWS”.
For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES".
*1 Refer to SC-87/CUXJ.
SC-LX88
SC-89/CUXJ, SC-LX88/FXJ, SC-LX88/DLXJ and SC-LX88/AXJ5 are constructed the same except for the following:
P89-25 Power Ring AAK8571 AAK8571 AAK8574 AAK8571 AAK8574
P89-26 Window AAK8580 AAK8581 AAK8581 AAK8581 AAK8581
> P89-29 Panel Base AMB8041 AMB8042 AMB8049 AMB8042 AMB8049
P89-30 Panel ANB7618 ANB7619 ANB7620 ANB7623 ANB7624
P89-31 Pioneer Badge VAM1159 VAM1158 VAM1158 VAM1158 VAM1158
P89-32 Screw BBZ30P080FTB BBZ30P080FTB BBZ30P080FNI BBZ30P080FTB BBZ30P080FNI
Mark No. Symbol and Description
SC-89
/CUXJ
SC-LX88-K
/SYXJ8
SC-LX88-S
/SYXJ8
SC-LX78-K
/SYXJ8
SC-LX78-S
/SYXJ8
Remarks
Mark No. Symbol and Description SC-89/CUXJ SC-LX88/FXJ SC-LX88/DLXJ SC-LX88/AXJ5 Remarks
PCB ASSEMBLIES
NSP 1..INTERFACE REG_M ASSY AWR7250 AWR7251 AWR7251 AWR7251
P83-3 2..IR REG ASSY AWX1812 AWX1813 AWX1813 AWX1813
P83-4 2..B DIODE ASSY AWX1818 AWX1819 AWX1819 AWX1819
P87-5 2..INTERFACE ASSY AWX1810 AWX1811 AWX1811 AWX1811
P87-6 2..A REG BRIDGE ASSY AWX1823 AWX1824 AWX1824 AWX1824
NSP 1..REG BRIDGE ASSY AWR7256 AWR7257 AWR7257 AWR7257
P83-6 2..DISPLAY BRIDGE ASSY AWX1834 AWX1835 AWX1835 AWX1835
P83-8 2..USB RECT ASSY AWX1843 AWX1844 AWX1844 AWX1844
P85-12 2..CONNECT ASSY AWX1842 AWX1946 AWX1946 AWX1946
P87-8 2..REG ASSY AWX1827 AWX1828 AWX1828 AWX1828
P87-11 2..BIND DM CABLE_M ASSY AWX1845 AWX1846 AWX1846 AWX1846
P87-12 2..HDBT BIND2 ASSY AWX1847 Not used Not used Not used
2..MULTI CH IN ASSY Not used AWX1838 AWX1838 AWX1838 No. 44
2..MCH BRIDGE ASSY Not used AWX1840 AWX1840 AWX1840 No. 45
NSP 1..PRIM DISPLAY ASSY AWM8372 AWM8376 AWM8375 AWM8377
P85-1 2..PRIMARY ASSY AWX1718 AWX1722 AWX1721 AWX1723
P89-1 2..DISPLAY ASSY AWX1700 AWX1701 AWX1701 AWX1701
P89-4 2..MIC HP ASSY AWX1728 AWX1729 AWX1729 AWX1729
NSP 1..DAC_H ASSY AWM8396 AWM8399 AWM8399 AWM8399
P85-3 2..DAC HIGH ASSY AWX1743 AWX1959 AWX1959 AWX1959
NSP 1..AUDIO COMPOSITE ASSY AWR7242 AWR7245 AWR7245 AWR7245
P85-5 2..AUDIO ASSY AWX1761 AWX1764 AWX1764 AWX1764
P85-13 1..USB DAC ASSY AWX1737 AWX1738 AWX1738 AWX1738
P85-14 1..COMPONENT ASSY AWX1793 AWX1794 AWX1794 AWX1794
P85-15 1..DIGITAL MAIN HD ASSY AWX1901 Not used Not used Not used
P85-15 1..DIGITAL MAIN ASSY Not used AWX1914 AWX1914 AWX1914
NSP 2..PCB ANP7910 ANP7909 ANP7909 ANP7909 *1
P85-16 1..HDBT ASSY AWX1961 Not used Not used Not used
NSP 1..D AMP ASSY AWH7096 AWH7099 AWH7099 AWH7099
P87-1 2..D AMP ASSY AWX1929 AWX1932 AWX1932 AWX1932
NSP 1..IR BUFFER_M ASSY AWM8381 AWM8382 AWM8382 AWM8382
P87-3 2..IR BUFFER_M ASSY AWX1780 AWX1781 AWX1781 AWX1781
P89-7 1..FRONT HDMI USB ASSY AWX1805 AWX1806 AWX1806 AWX1806
PACKING SECTION
> P81-2 Power Cord ADG7118 ADG7120 ADG7119 ADG7122
P81-7 Quick Start Guide ARH7213 ARH7217 ARH7219 ARH7192
NSP P81-8 Caution Sheet /SP ARM7161 ARM7161 ARM7161 ARM7162

Pioneer SC-LX78 Specifications

General

Receiver type	Surround
Speaker selector	A+B
Input sensitivity	400 mV
4Ω speaker support	Yes
Audio output channels	9.2 channels
Audio A/D Converter (ADC)	24-bit/192kHz
Signal-to-Noise Ratio (SNR)	103 dB
Total Harmonic Distortion (THD)	1 %
Power output per channel (1KHz@6 Ohm)	210 W
Power output per channel (20-20KHz@8 Ohm)	250 W
HDMI in	8
Ethernet LAN (RJ-45) ports	1
Component video (YPbPr/YCbCr) in	2
Number of HDMI outputs	3
Multichannel audio output type	Terminals
Speakers connectivity type	-
Audio formats supported	AAC, AIFF, FLAC, M4A, MP3, WAV, WMA
Supported radio bands	AM, FM
Preset stations quantity	63
Optical drive included	No
Supported video modes	1080i, 1080p, 480p, 720p
Product color	Black
Audio decoders	Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS Neo:X, DTS-ES, DTS-HD Master Audio
Volume control	Rotary
Apple docking compatibility	Not supported
On Screen Display (OSD) languages	DEU, DUT, ENG, ESP, FRE, ITA, RUS
AC input voltage	220-230 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	370 W

Weight and Dimensions

Depth	441 mm
Width	435 mm
Height	185 mm
Weight	15300 g