2.3
Inside top view
STD-1800
Dolby P.C.8,
R210
Jo. B. equalizer)
202, C203
(P. 8. equalizer)
102, C103
F227 (UV meter)
Fuse P.C.8.
Power transformer
R143
(Recording currant)
Ls02
Oscillator brock (Bias osciltator frequency)
A146 (Bias current)
R246 (Bias current)
R127 (UV meter)
A243 (Recording current)
2.4
Inside bottom view
STD-1800
Recording jevel control volume (R111, 211)
ze
Output level contro! volume (R139, 239):
Microphone jacks
Power switch
Wis
By
Mather P.C.B.
STD-1700
Dolby P.C.B.
A210
A205
R106
lo. B. equalizer)
€202, 203
(P, B. equalizer)
C102, 103
A110
Motor
R227
{UV
meter)
Power
transformer
tso2
A143
(Recording
current)
Oscillator brock
(Bias oscillator frequency)
Rig6|
(Bias current)
R246
R427
(UV
meter):
R243
(Recording currant)
STD-1700
Recording level contro! volume IR2 11)
Recording tavel control volume (A171)
Microphone
Power switch
Mothup .C.8.
c
i a a a