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Electrical Adjustment - Sony CDX-5V661A Service Manual

6 disc in-dash cd changer
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Adjustment and Check after Repair
The execution of the following adjustment and check after repair can judge OK or NG of the Changer, or can find a faulty part from NG.
Adjustment/Check
Servo information check
(See 1. Normal Mode on page 22)
Linear position adjustment
(See 5. Production Line Mode on page 29) was replaced, or microcomputer software was up dated, or EEPROM (IC810) was re-
LED adjustment
(See 6. LED Adjustment on page 31)
Jig board (SJ-5551 PANA BUS2)
This set (CDC: Changer) operates by receiving command signals from the radio through the PANA-BUS connector. The Changer cannot
operate by itself, and therefore use the jig instead of radio so as to perform the following operations:
• Normal operation
• Error code display (display/clear history)
• Aging operation
• LED luminance adjustment
• Linear position adjustment
• Servo information check
• Manual operation of mechanism motors (Elevator, Loading, Divider)
• EEPROM data reading
Location of switches and description of connectors
MODE LED
(for checking)
L1 L2 L3 L4 L5 L6 L7 L8
SEG1 SEG2 SEG3 SEG4
Display
(7 seg. LED)
Rotary switch
(12 steps)
1
5
9 10 11 12
Push keys
(Execution keys)
13 14 15 16
Jig board
(SJ-5551 PANA BUS2)
SECTION 3
ELECTRICAL ADJUSTMENTS
If optical pickup and MAIN board were replaced
If linear position or mecha deck was repaired, or MAIN board, microcomputer (IC801)
placed
If KEY board and EEPROM (IC810) were replaced
RS-232C Cable Select
STRAIGHT
CROSS
RS-232C
: Green
: Red
SEG5 SEG6 SEG7 SEG8
fix it
RST
up ( R )
2
3
4
6
7
8
uART
CDX-5V661/5V661A/5V661D/5V661S
Repaired/Replaced Parts
fix it down ( r )
LINE
CDC
JIG
FL-CDC
FL-JIG
CTRLV
OFF
OFF
OFF
ON
ON
ON
uCOM
Power supply
+12V
GND
H/U
RADIO
JIG
CDC (changer)
POWER
switch
ON
OFF
CDC Cable
connector
15

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