Pioneer CDX-FM677-X1N/ES Service Manual page 47

- Flow Chart
4
Sourse CD
Power ON
(Adjustment for T.Offset)
TRK MIN
00 00 00
Display
Power OFF
BAND
Focus Close/
S Curve Check
TRK MIN
91 91 91
Display
Power OFF
BAND
T.Close and
F,T AGC and
RF AGC and
Fit Servo
Power OFF
BAND
Power OFF
BAND
< Mechanism test mode in >
9
*9
<ELV,TRAY select>
TYP
*1
Display
Focus Close
*2
Display 00 00 00
(99 99 99)
*3 F.Offset Display
F.Cancel Value = {Top Rank 8bit of Set Value (7F [H] to 80 [H] ) + 128} / 4
Single TR/32TR/100TR
*4
*5 Single TR
Display
9x(8x):91(81)
*6 CRG Move, 100TR Jump Only
6
Test Mode In
Reset
SOURCE
BAND 9
Power ON
SEC
(Not adjustment for T.Offset)
TRK MIN SEC
99 99 99
Display
9 12
*2
Focus Mode
Select
SEC TRK MIN SEC
0x 0x 0x
Display
7 12
T. Close and RF AGC Coefficient Display/
Fit Servo Rough Servo and RF AGC
7 9
*7
F, T, RF AGC/ F, T AGC and
F.Bias Display Select RF AGC
TRK MIN SEC
7
72 00 00
Display
12 FF
*10 *11
<Operation mode <Shift >
select >
+6dB +12dB
06 06 06 12 12 12
S Curve Check
01 01 01
RF.Offset Display F.Cansel Display
= 63 [D] to (32 [D] ) to 00 [D]
32TRK 100TRK CRG Move
92(82) 93(83)
8
*1
RF AMP Gain Select
TRK MIN SEC
GG GG GG
7 TRK+
*8
<Tracking Servo Close> CRG+
TRK MIN SEC TRK MIN SEC
00 00 00 00 00 00
or or
TRK MIN SEC TRK MIN SEC
99 99 99 99 99 99
TRK+
9
CRG+
TRK MIN SEC
8x 8x 8x
Display
or
TRK MIN SEC
9x 9x 9x
12
TRK+
*5 *4
CRG−/TR Jump−
CRG/TR Jump NO. CRG+/TR Jump+
Select
Display
REV BAND
*12
<Shift > <Mechanism test
mode out >
*7 TRK, MIN, SEC
Voltage of CRG Motor = 2 [V]
*8
*9 ELV motor select
72
8ms pulse drive
*10
72
48ms pulse drive
72
94(84)
*11 ELV select
TRAY select : TRAY out
*12 ELV select
TRAY select : TRAY in
CDX-FM677,FM673
New test mode
12
TRK- 8
*8 *3
Auto Adjustment
CRG−
Display Select
TRK MIN SEC
00 00 00
or
TRK MIN SEC
99 99 99
TRK-
8
T.Balance
CRG−
Adjustment
TRK MIN SEC
8x 8x 8x
or
TRK MIN SEC
9x 9x 9x
Tracking
Open
TRK- 8
*4
*6
TRK MIN SEC
8x 8x 8x
Display
or
8 TRK MIN SEC
9x 9x 9x
Tracking
Open
TRK MIN SEC
8x 8x 8x
or
TRK MIN SEC
9x 9x 9x
TRK MIN SEC
Display
F.AGC Gain T.AGC Gain
(F,T.AGC Gain = (Present Value/Initial Value) × 20)
TRAY motor select
00 0X 72 10 0X
Display
24ms pulse drive
00 00 72 00 01 72
Display
100ms pulse drive
10 00 72 10 01 72
Display
→
: ELV dowm (Disc 12 1)
→
: ELV up (Disc 1 12)
RF AGC Gain
DC drive
00 02
DC drive
10 02
47