JBL HARMONY (serv.man7) Service Manual ▷ View online
6
CD Player/Tuner Stereo System
HARMONY
Alarm
Alarm
Clock
Clock
Set
Set
Snooze
Alarm Off
19
18
17
16
15
14
13
1
2
3
5
6 7 8 9
11
10
12
4
HARMONY CONTROLS AND THEIR FUNCTION
1. Alarms 1 & 2 - To turn on alarm 1 or 2 push “Alarm
1” or “Alarm 2” on the Harmony or Remote until the note
symbol
appears in the display to wake to music or until
the sound symbol
appears to wake to tone alarm.
Push until symbols disappear to turn off the alarm.
2. Alarm Set - To set either alarm 1 or 2 push “Alarm
Set” until “Alarm 1” or “Alarm 2” flashes in the display.
While “Set” is displayed, push the forward
on the
“Forward/Reverse” button, #7 to adjust the minute. To
adjust the hour push the reverse
on the
“Forward/Reverse” button, #7.
3. Clock - To set the clock press and release the
“Clock Set” button. While “Set” is displayed, push
to
adjust the minute and push the
to adjust the hour. To
change the clock to a 24-hour display push and release
the “Clock Set” button. While “Set” is displayed, push
and hold the “Clock Set” button for one second. Repeat
the procedure to change back to a 12-hour display.
4. Alarm Off - Push this button to turn off the alarm.
The alarm will then reset and activate again at the set
time the next day.
5. Snooze - Push this button to temporarily shut off the
alarm. The alarm will sound again in 5 minutes.
6. Preset Station Selector - Push
or
on the
Harmony or Remote to choose the desired preset station.
For creating preset stations stored in memory see #19.
When playing CD's push
or
to skip to a different
track.
7. Tuner/Scan - To tune to a station press forward
or
reverse
to the desired location. To have the tuner
search for the next strong station push and hold
or
for one second on the Harmony or remote. Release the
button when scanning begins. The tuner will
automatically advance to the next station that has a
strong signal. While playing a CD pressing “Back”
or
“Forward”
will cause the CD to scan backward or
forward within the existing track being played.
HARMONY SERVICE BULLETIN JBL9808
Service Bulletin JBL9808 - September 1998
This is considered a Major repair
To: All JBL Service Centers
Model: Harmony AM/FM, CD Compact Sound system
Subject: Loss of all Control Functions or FM station Presets
In the event you receive a Harmony sound system for the complaint “all the controls stopped working” or “the FM station presets disappear, even
though I’ve never unplugged the unit”, perform the following modification. This should also be performed as an upgrade if a unit is serviced for
any reason in the serial number range listed below:
1)
To access & detach the CD assembly, obtain JBL Service Bulletin #JBL9804 (Harmony Disassembly
Procedure) and follow steps 1 - 7.
2)
Locate R264 and change from a 4.7k
W
to a 2.2k
W
SMD resistor - JBL part #QAF0650-222.
3)
Locate R286 and change from a 82k
W
to a 68k
W
SMD resistor - JBL part #QCF0851-683.
4)
Continue with step 8 of the Harmony Disassembly Procedure to remove the CD assembly from the Main
PCB. It is not necessary to remove any cable connectors to perform the next step.
5)
Locate Lithium Battery BT201 located at the edge of the Main PCB; replace with JBL part
#FBE0030-001. Battery with clips must be desoldered from Main PCB.
6)
Attach CD assembly back onto Main PCB, and replace assembly back into unit following all disassembly
instructions in reverse order.
7)
Test unit by confirming all controls work and FM station presets hold their memory.
NOTE:
The R286
silkscreen on the Main PCB
may be illegible or mismarked
as “R73S”.
Model
Serial number
120V
Serial number
230V
Status
Action
Harmony
AC0022-01001
to
AC0022-36021
AC0023-01001
to
AC0023-15720
Lithium battery
circuit failure
Change R264 from 4.7K to 2.2K
W
Change R286 from 82K to 68K
W
Replace battery BT201
Harmony
AC0022-36022
and above
AC0023-15721
and above
Modified by factory
NONE REQUIRED
8
CD Player/Tuner Stereo System
HARMONY
Click on the first or last page to see other HARMONY (serv.man7) service manuals if exist.