Technics SU-7700 Service Manual

[Sst] 002 4ns
Part No.
Sil S3
S4
S5 ~ S7
S8, 9
S10 ~ S12
OVOAOANAOARWN >
36
37 [XG,XGH,XGF]
37 [XA]
37 [XE]
Bao (s<Sso, «~sw]
37 [XAL]
SSH327S
SSH67S
SSL19
SoL17
SSH325S
SBN627
SBC 163-1
SBD7
SBN631
SBN629
SG X6471
SG X6469
XNS8
XWV8
SYW73
SHR9267
XTB3+8B
SSM95
SHR589
SHR583-1
XYN3+C6S
SUW1067
XTB3+8B
SDH399
SMM9-4
XTV3+8C
SUW1081S
RJIVIA
XTN3+8B
SJFA5101
SMK5
SUW1073S
XCJ6P11B-A
SHRA307
XTB3+6B
| SKLA7-1
XWG3
XTV3+12C
SJF 3009
XTB3+8BFZ
SGP670B
SGP670-1B
SGP670-2B
Saorvrroeoe
SGPU7700L
Part Name & Description
Per
Set
SWITCHES
Switch, Input Selector
Switch, Equalizer Subsonic
Switch, Mode, Recording & Tape
Switch, Loudness & High Filter
Switch Meter Range & Speaker
RELAY
Relay, Speakers Protection & Muting
CABINET and CHASSIS PARTS
Knob, Volume Control
Button, Push Switches
Knob, Loudness & Power Switch etc.
Knob, Balance Control
Knob, Bass & Treble
Ornament, Volume Knob
Ornament, Bass & Treble Knobs
Nut, Bass, Treble, Balance, & Volume
Washer (Spring) Balance & Volume
Panel, Front Ass'y
Shading Cloth
Screw, Front Panel M'tg
Meter
Bracket, Power, Tape & Rec Mode Switches
Bracket, Loudness, Filter & Mode Switches
Screw, Push Switch M'tg
Bracket, Printed Circuit Board
Screw, Printed Circuit Board M’tg
Bracket, Meter
Bracket, Meter
Screw, Meter Bracket M’tg
Bracket, Electrolytic Capacitor
Holder, Meter Lamp
Screw, Fuse Holder M'tg (Except set for[XAL])
Holder, Fuse (Except set for [XAL] )
Bracket, Fuse Holder (Except set for[XAL] )
Bracket, Printed Circuit Board
Jack, Headphones
Lead Clamp
Screw, Chossis M'tg (Left & Right Side)
Foot, Set
Washer, Set Foot M'tg
Screw, Set Foot M'tg
Terminal, Input
Screw, Rear Panel M’tg
Rear Panel
Rear Panel
Rear Panel
Mear fanct, SGFOTOSR with Name Fiddle
(SGT 13671)
Rear Panel, SGP670-2B with Name Plate
(SGT 13670)
—- NBN HN HK ON
mS? - H- MWWNHN -
WoeNnNo Ree eee oe
--s350-5p 32 DA
41 [XA] only
42
42 [XAL] only
43
44
45
46
47
48
SHR127
SHBIS1
XTN3+8BFZ
SGP9023
SUE3
XTB3+8BFZ
XSN3+6F ZS
XWASBFZ
RJS31-1
XTB3+8BFZ
SJF 4803-2
Part Name & Description
Bushing, AC Cord (Except set for [XAL] &
[XE] )
Bushin ,AC Cord
Screw, AC Outlet M'tg
Cover, Rear Panel Hole(Except set for{XAL])
Cover, Rear Panel Hole
Screw Heat Sink M'tg
Screw, Voltage Selector Switch M'tg
Washer, Voltage Selector Switch M'tg
Socket, Tape Deck Connection (DIN)
Screw, DIN Socket M'tg
Terminal Board, Speaker
49 SHR401-1
50[XA,XAL, XG, | SKA8253W
XGH, XGF]
50 [XSD, XSW] | SKA8472W
50 [XE] SKA8471W
51 SQXA4112
52 XWGb5FZ
53 XWA4BFZ
54 XTB4+16F FZ
Latch, Terminal Board M'tg
Cabinet, Black Wooden
Cabinet, Black Wooden
Cabinet, Brown Wooden
Caution Label, Cabinet Screw
Washer, Cabinet Screw
Washer (Spring), Cabinet Screw
Screw, Cabinet M'tg
Per
=NS|N-]NNH HHA
SPHHN--
cereal
ACCESSORIES
A2 RJP5
A3 [XA] only SJP5213
A4 [XA] only SJP5215
Pin Plug
Plug Adapter, Power
Plug Adapter, Power
PACKING PARTS
Py SPP495
P2 SPS971
P3 SPS969
P4 SPS967
P5 SPS965
P6 [XA, XAL, SPG995
XG, XGH]
P6 [XSD, XSW]
P6 [XGF]
P6 [XE]
P7 [XG,XGH,XGF,
XSD, XSW]
Polyethylene Bag
Pad, Right Upper Side
Pad, Right Lower Side
Pad, Left Upper Side
Pad, Left Lower Side
Carton Box
SPG997
SPG 1063
SPG999
SQF 1525
Carton Box
Carton Box
Carton Box
Printed Matter,(Instructions Book)
P7 [XA, XE]
P7 [XAL]
SQF 1521
SQF 1523
Printed Matter, {Instructions Book)
Printed Matter, (instructions Book)
The model [XA] is available in Asia, Latin America, Middle East and Africa.
The model [XAL] is available in Australia only.
The model [XG] is available in European only.
The model [XGH] is available in Holland only.
The model [XSD] is available in Scandinavia only.
The model [XSW] is available in Switzerland only.
The model [XE] is available in England only.
The model [XGF] is available in France only.
OO00 OO000O

Technics SU-7700 Specifications

General

Damping factor	30
Input sensitivity	2.5mV (MM), 150mV (line)
Output	150mV (line)
Speaker load impedance	4Ω to 16Ω
Power output	50 W per channel into 8Ω (stereo)
Signal to noise ratio	95dB (line)
Channel separation	55dB (MM)