DOWNLOAD Sony CX-LFA880 / XR-FA880DVD Service Manual ↓ Size: 8.53 MB | Pages: 53 in PDF or view online for FREE

13

2

1

Turn round the gear in the
direction of the arrow.

4

screw

7

screw

9

screw

5

washer

qd

dumper (traverse mech)

qf

wire (flat type) 

     24core

qs

two dumpers
(traverse mech)

qg

traverse mech

qa

holder(traverse mech)

8

washer

q;

washer

6

3

 belt (pulley)

14

•

The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customers.

1. Press the  ?/1  button to turn the set ON.
2. Press three buttons x , [DIRECTION] and  DVD u  simul-

taneously.

3. The message “COLD RESET” is displayed and the set is reset.

•

A step of AM channels can be changed over between 9 kHz
and 10 kHz.

1. Press the  ?/1  button to turn the set ON.
2. Select the function “TUNER”, and press [TUNER/BAND]

button to select the BAND “AM”.

3. Press the  ?/1  button to turn the set OFF.
4. Press the  x  and  [TUNER/BAND]  buttons simultaneously,

and thus the channel step is changed over.

1. Press the  ?/1  button to turn the set ON.
2. Press the  DVD u button to select “DVD”
3. Remove the disc.
4. The message “NO DISC” is displayed.
5. Press three buttons  x  , [DIRECTION] and  TAPE bB  si-

multaneously.

6. The message “SHIP RESET” is displayed and the set is reset.

The DVD function is activated.

7. To exit from this mode, press the  ?/1  button and pull out the

AC plug.

The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Procedure :

1. Press the  ?/1  button to turn the set ON.
2. Press the  DVD u button to select “DVD”
3. Set disc on the tray, press the  x  button and the  Z  button

simultaneously for five seconds.

4. The message “LOCKED” is displayed the tray is locked.
5. To release from this mode, press the  x  button and the  Z

button simultaneously for five seconds again.

6. The message “UNLOCKED” is displayed and the tray is

unlocked.

When “LOCKED” is displayed, the slot lock is not released by
turning power on/off with the  ?/1  button.

•

This mode is used to check the software version, LCD, LED
and keyboard.

1. Press the  ?/1  button to turn the set ON.
2. Press the  DVD u button to select “DVD”
3. Press three bottons  x  , [PRESET EQ] and  TAPE bB  simul-

taneously.

4. When the panel test mode is activated, all segments are turned

on.

•

This mode is used check the model, destination, software
version.

1. Press three buttons x , [PRESET EQ] and  MD  simultaneous-

ly, the model and destination are displayed.

•

The color system can be changed over NTSC or PAL.

1. Press the  ?/1  button to turn the set ON.
2. Set the function to “DVD”.
3. Press the  ?/1  button to turn the set OFF.
4. Press the x button and  ?/1  button simultaneously. The set

will power on automatically.

5. The message “COLOR PAL” or “COLOR NTSC” will be

displayed on the fluorescent indicator tube. The color system
is changed over.

15

2.94 – 7.84 mN • m

(30 to 79 g • cm)

(0.42 – 1.11 oz • inch)

0.15 – 0.59 mN • m

(2 to 6 g • cm)

(0.03 – 0.08 oz • inch)

2.94 – 7.84 mN • m

(30 to 79 g • cm)

(0.42 – 1.11 oz • inch)

0.15 – 0.59 mN • m

(2 to 6 g • cm)

(0.03 – 0.08 oz • inch)

6.86 – 17.64 mN • m

(70 to 179 g • cm)

(0.98 – 2.49 oz • inch)

9.8 mN • m or more

(100 g • cm or more)

(1.4 oz • inch or more)

9.8 mN • m or more

(100 g • cm or more)

(1.4 oz • inch or more)

CQ-102C

CQ-102C

CQ-102RC

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

1. Clean the following parts with a denatured alcohol-moistened

swab:

record/playback heads

pinch rollers

erase head

rubber belts

capstan

idlers

2. Demagnetize the record/playback head with a head demag-

netizer.

3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to

the parts adjusted.

5. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

FWD

FWD

back tension

REV

REV

back tension

FF/REW

FWD tension

REV tension

1. Mode : Playback

2. Turn the adjustment screw and check output peaks. If the peaks

do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1 dB of peak.

test tape
P-4-A100
(10kHz, –10dB)

MAIN board
JK102
speaker terminal

level meter

set

+

–

L-CH
peak

R-CH
peak

screw
position

output
level

within
1 dB

L-CH
peak

R-CH
peak

screw
position

within 1dB

DECK SECTION        0 dB=0.775V

1. Demagnetize the record/playback head with a head

demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to

the parts adjusted.

4. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in

this service manual. (As a general rule, playback circuit
adjustment should be completed before performing recording
circuit adjustment.)

6. The adjustments should be performed for both L-CH and R-

CH.

7. Switches and controls should be set as follows unless otherwise

specified.

P-4-A100

WS-48B

10 kHz, –10 dB

3 kHz, 0 dB

Azimuth Adjustment

Tape Speed Adjustment

16

4. After the adjustments, apply suitable locking compound to

the parts adjusted.

Adjustment Location: Record/Playback/Erase Head

1. Turn the power on.
2. Insert the WS-48B into deck.
3. Press the  TAPE bB  button of deck.
4. Check the reading of frequency counter becomes 3000 

±

 90

Hz.

         W.RMS (JIS) less than 0.3%
         (test tape: WS-48B)

3. Mode: Playback

test tape
P-4-A100
(10kHz, –10dB)

oscilloscope

set

Waveform of oscilloscope

in phase

45

°

90

°

135

°

180

°

good

wrong

MAIN board
JK102
speaker terminal

L

R

Check the RF level when optical pick-up block (TRAVERSE
MECH) is replaced.

1. Connect an oscilloscope to TP (RF) and TP (VC) on the MPEG

board.

2. Turn the power on.
3. Set the test disc on the tray and press  DVDu    button to

playback.

4. Observe the waveform of the oscilloscope, and check that the

RF level is satisfied to specified value.

Use the following test disc on adjustment.

Do not use existing test disc for DVD.

Checking Location: MPEG board

CD (YEDS-18)

310 mV

+30 mV/–50 mV

   PART No. :3-702-101-01

DVD Single Layer (HLX-504)

290 mV

+25 mV/–40 mV

   PART No. :J-6090-088-A

DVD Dual Layer (HLX-505)

120 mV

+20 mV/–30 mV

   PART No. :J-6090-089-A

+
–

MPEG board

oscilloscope 

TP (RF)
TP (VC)

TP (RF)

TP (VC)