1
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
A
B
C
D
E
F
G
H
I
J
K
L
A
B
C
D
E
F
G
H
I
J
K
L
DG60-112
DG60-112 OVERALL CIRCUIT DIAGRAM 2/2 ( MAIN, A-CH, SW )
CIRCUIT BOARDS
DG60-112
DG60-112
Japanese model
U.S.&Canada models
General export model
British model
MAIN
1/5
MAIN
4/5
AC cord
Power transformer
(Primary)
(Secondary)
MAIN
5/5
to DM-CN6
KEC-54181-2
to DM-CN4
A/B channel select switch
GAIN
MASTER
TREBLE
HIGH MID
LOW MID
BASS
PRESENCE REVERB
: Mylar Capacitor
: Ceramic Capacitor
: Metal Oxide Film Resistor
: Flame Proof Carbon Resistor
MAIN
3/5
MAIN
2/5
Speaker
to DM-CN2
to DM-CN1
Peak indicator
OP AMP
OP AMP
Power
A-CH
SW
GAIN
MASTER
TREBLE
HIGH MID
LOW MID
BASS PRESENCE
REVERB
KEC-54181-3
KEC-54181-3
Channel indicator A
AMP select switch A
AMP select switch B
Channel indicator B
to DM-CN3
WARNING
Components having special characteristics are marked and must
be replaced with parts having specifications equal to those originally installed.
!
See parts list for details of circuit board
component parts.
Note:
NJM7805FA(XJ607A00)
REG5V
PBU403(VV518200)
DIODE STACK
S1VB20(VS197600)
DIODE STACK
1 : OUTPUT
2 : COMMON
3 : INPUT
1
2
3
• DM Circuit Board
• A-CH Circuit Board
• SW Circuit Board
Pattern side
Component side
Component side
Component side
Component side
Channel indicator B
AMP select switch B
AMP select switch A
Channel indicator A
LOW
INPUT
Peak
indicator
A/B
(Channel select switch)
HIGH
to DM-CN2
DM: CNA-V373260
MAIN, A-CH, SW: CNA-V366270
to DM-CN1
• Main 1/5
• Main 5/5
• Main 4/5
• Main 3/5
• Main 2/5
to DM-CN5
to DM-CN6
to DM-CN5
(Secondary)
(Primary)
Power transformer
from AC cord
POWER
REVERB
PRESENCE
BASS
LOW MID
HIGH MID
TREBLE
MASTER
GAIN
REVERB
PRESENCE
to MAIN 1/5 - W204
to MAIN 1/5 - W203
to MAIN 1/5 - W201
to MAIN 1/5 - W202
BLEND
RETURN
EFFECT
SEND
0dB/-20dB
LINEOUT
SP MUTE
REVERB
CH SELECT
BASS
LOW MID
HIGH MID
TREBLE
MASTER
GAIN
FOOT SW
See parts list for details of circuit board
component parts.
Note:
J.U.C
H.BS
Circuit Board
Parts No.
V366270
V366300
FZ201
2A
250V
T1A L
250V
FZ202
FZ203
2A
250V
T2A L
250V
FZ204
1A
250V
T1A L
250V
Power transformer
XV965A00
XV966A00
XV967A00
XV967A00
J
U, C
H
B S
FZ201
250V2A
VV070600
250VT1AL
VV071200
J, U, C
H, BS
FZ204
250V1A
VV070300
250VT1AL
VV071200
FZ202
FZ203
250V2A
VV070600
250VT2AL
VV071500
AC cord
VZ461100
VV205600
VV058200
VV058300
Cord strain relief
VV103000
VV103100
VV103000
VV103000
1
1
1
