JBL HARMONY, Service Manual

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3 4
CD Player/Tuner Stereo System HARMONY
IC301-305, 307, 804, 805, 904
NJM4558L - Dual Op-Amp
IC809 - BA6218 - Motor Driver
V+
B OUTPUT
B -INPUT
B +INPUT
V-
A +INPUT
A -INPUT
A OUTPUT
A
B
1
5
2
6
3
7
8
4
1
2
3
4
8
7
6
5
A
B
-
-
+
+
B OUTPUT
A OUTPUT
B -INPUT
A -INPUT
B +INPUT
A +INPUT
V
-
V
+
5 1 6 2 7 3 8 9 4
Logic Control
CONTROL
LOGIC
MOTOR
DRIVER
POW GND
V
CC
GND
M
1 1 2 2 3 3
1
2
3
INPUT
COMMON
OUTPUT
1
2
3
INPUT
COMMON
OUTPUT
+8V REGULATOR
IC901 - MC7808
+6V REGULATOR
IC903 - MC7806
IC101 - LC72720NM ( ) RSDS 230V ONLY
IC101 - LC72720NM
( ) RSDS 230V ONLY
T3 to T7