Marantz CM6200/F1N, Service Manual

Page: 25 / 63

2-4
High reflection disc A-BEX TMD-381 For audio performance measurement
Low reflection disc - - Blank disc on market for Rec/Play
Eccentricity sisc A-BEX TMD-311R Confirm operation after replacing the mechanism
Surface distortion disc A-BEX TMD-331R Confirm operation after replacing the mechanism
Transparent disc SHARP RRCDT0103AFZZ For magnetic head adjustment
1) MD Test disc
2.2 ADJUSTMENT (MD module)
1. Test discs and tools
2) Extension Cable
PICK replacement
HEAD replacement
MECHANISM
replacement
MAIN PWB
assembly replacement
MD microcomputer
replacement
MD LSI replacement
RF IC replacement
EEPROM IC
replacement
TEMP
basic
setting
TEMP
Execution item
required
Repair
operations
Checking
EEPROM
setting
EEPROM_SET
AUTO pre-
adjustment
AUTO-
adjustment
AUTO-AFB
adjustment
AUTO-YOBI AUTO-ADJ AUTO-AFB TEST-CANCEL
Writing the
EEPROM
setting
TEST-CANCEL
Writing the
EEPROM
setting
TEST-REC
Operation check
TEST-PLAY
1
1
1
1
1
1
2
2
2
1
2
2
2
3
3
3
2
3
3
4
4
4
3
4
4
5
5
5
4
5
5
6
6
6
5
2
6
6
7
7
7
Number to and
" - " is an item that you don't have to execute.
indicate the order of inplementation.
1 8 9
6
4
8
1
8
9
9
9
3
7
7
8
8
8
If optical pickup unit is replaced, optical pickup grating adjustment is needed after AUTO-adjustment (See Fig.10-3).
After the adjustment, back to AUTO pre-adjustment and then adjust again in numerical order.
4
3
Enter the test mode, adjust or set as shown in the following table according to the repair operations.
Type MJI Part No.
*
*
*
*
*
3) Equipment
a) Dual channel Oscillo-graph (for Pickup grating adjustment)
b) Laser power meter for MD
2. Adjustment procedure and process order
1) Short the pin #7 (WP) and #4 (Vss) of IC1402 (EEPROM) with a lead wire.
2) Enter the MD TEST MODE, confi rm the process order from the following table which matched with your repair. Adjust and
setup each process with referring each guidance mentioned below.
3) Press the POWER button on the remote controller. (adjustment values will be memorized to the EEPROM)
4) Press the POWER button on the front panel and remove the mains plug from the Mains outlet on the wall.
5) Remove the short lead wire from the pin #7 (WP) and #4 (Vss) of IC1402 (EEPROM).
1 Extension PWB for servicing : RUNTK0532AFZZ CM6000JIG
2 Extension Connector (2 Pin) : QCNWK0129AFZZ YU000820R
3 Extension Flat Cable (6 Pin) : QCNWK0130AFZZ YU000830R
4 Extension Flat Cable (5 Pin) : QCNWK0109AFZZ YU000840R
5 Extension Flat Cable (28 Pin) : QCNWK0108AFZZ YU000850R