Technics SU-CH700 Service Manual

SU-CH700 SU-CH700
m SCHEMATIC DIAGRAM (Input/Output Terminal/Main circuit) (ars tist on pages 24~27,)
1
To SL-CH700/
SH-CH700
2
3
4
5
6
7
8
To BY FL CIRCUIT (460386) (Page 10)
= ————-weux«0
ToEYFL circuit (46018) (Page10) To BY Fu circuit (y602B) (Page 10) 3 3 =
.
FAN
MOTOR
:
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ae
ee
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oe
8
wv
ig INPUT/OUTPUT TERMINAL PC.B. (yn oc ce | | ee eset vos S$ oe S 6s 2 tf 8 voosa FS = = 2 2 3 &
TODODOAN® 65 S -®_O"-8_B_O©_O_® O_@_® ©
R3Ti RBT2 os7t
10K e2K MAIGSTA 3
aaa R373. RBTS ||] z —
ac (1) B ov 2.2K 39K
CLK (2)
oata [4)
ac
[5)
|
o
b
c
oc
GNO
[6)
Q354,37!
center 2SC33I1AQSTA icaei
REAR Reh MOTOR ORIVE BU2040F-T2
REAR tch (9) st SYSTEM CONT.
mic KO 2 @
rec ren Kid} — 3
REC uch (2) + Q231,232 Q352 =
ren ‘ 33 Loraseé 2SC33I2RSTA KSD471ACYGTA S6v
2 S y MOTOR DRIVE
a.
GND
(4)
|
Z
se
ELECTRIC
VOLUME
BASS
AMP(S.LOUDNESS)
uch (is) 2
| 233
Source 33
signal
ic203
BA4558FTI
BASS AMP
Q25!,252
OTAIISTSTP
MUTING CONT.
C209 50V0.33 oy
0301, 302
2SD2144STA
MUTING
DTAII4ESTP
MUTING CONT.
R260 3.9K
iy
~ 0291
MAIGSTA
C301
R341 120
R208 = y
36x
|
100P
os
¢
BS
8&5 g
C208 Ox 8 Sa
ear
SEP
s
ov
SB
1c202 >) 8
BA4SS58FTI e203 CH
BUFFER AMP
M5218 AL
HEADPHONE AMP
Q201I~ 204
2SD02144STA
MUTING
1e1st 146
BASSSEFT! BA4558FTI
SIGNAL LEVEL DET. Mic AMP
-11- -12-
fan
b a Reh OUT
0 ——H{3) Len out
OTAIISGESTP
POWER CONT.
angogca
(3)
(7) 0c GND
10
To fi main
CIRCUIT
(JSOIA)
(Page 13)
tof main
CIRCUIT
(J702A)
(Page 13)
Tofmain
CIRCUIT
(7014)
(Page 13)

Technics SU-CH700 Specifications

General

Brand	Technics
Model	SU-CH700
Category	Amplifier
Language	English