02.05 TYPENUMBER(S): AZ2020, AZ2025
INFORMATION : Correction to Service Manual, Mechanical Partslist
The codenumber of the Contact Plate (item 449) should read
3140 111 21320.
REMARKS :
02.06 TYPENUMBER(S): AZ2785
INFORMATION : Correction to Service Manual, Mechanical Partslist
Items 443 (Cass Keys A) and 444 (Cass Keys B) will be delivered
together as a service kit. The codenumber reads 9965 000 09156.
REMARKS :
02.07 TYPENUMBER(S): CD6660
INFORMATION : Correction to Service Manual, Wiring Diagram and Electrical Partslist
The item number of the Flexible Foil 8800 is incorrect. It should read
8000 4822 320 12178 Flexible Foil
REMARKS :
02.08 TYPENUMBER(S): CDR570, CDR600, CDR602, CDR770, CDR771, CDR775, CDR776,
CDR778, CDR785, CDR786, CDR930, CDR950, CDR951, FW-R7,
FW-R8, FW-R88
INFORMATION : In case the Optical Pickup Unit “OPU” (item 2) has to be replaced, it
is absolutely necessary to replace the axle (item 4) at the same
time. For reference see Exploded View CDM3800 on next page resp.
chapter 4.4 of 2nd line Service Manual CDR570,... 3104 125 40110.
Also gear rack (item #) has to be investigated for damages of its
teeth. As follows the instr uction how to replace these parts.
1. Demounting
1.1. First demount loader CDL4009 and CDR-MainBoard as given in
Mechanical Instructions, chapter 4.1.
1.2. Now the OPU can be de-mounted.See chapter 4.4 (Exploded
View CDM3800)
1.3. Loosen 2 screws (6 and 8)
1.4.Take away the old OPU 2 with its axle 4 and gear rack assy #
by lifting it up at that released side and then shift it from it's other
axle 3.
1.5.Take care of spring ™. It can be reused for the new OPU.
1.6. Remove gear rack # from the OPU by removing axle 4. If the
gear rack is not damaged it can be reused for the new OPU.
2. Mounting
2.1. Mount the new axle 4 through new OPU and gear rack #
2.2. Mount spr ing ™
2.3. Position the OPU under axle 3.Take care of spring ™.
2.4. Press the gear rack # in such a way that both rackteeth are in
line with each other.Interlock gear rack # with gear wheel @.
Service Newsletter 2001 – BCU Audio 2/6