Sony CMT-NEZ7DAB / HCD-NEZ7 Service Manual ▷ View online
9
HCD-NEZ7
3-3. CABINET (TOP) SECTION
3-4. BASE UNIT (BU-K7BD81D2)
1
screw
(BVTP 2.6
(BVTP 2.6
×
8)
1
screw
(BVTP 2.6
(BVTP 2.6
×
8)
5
connector
(S820)
(S820)
4
wire (flat type) (27 core)
(CN317)
(CN317)
6
cabinet (top) section
2
claw
2
claw
3
2
four screws
(PWH 2.6
(PWH 2.6
×
10)
1
wire (flat type) (27 core)
(CN201)
(CN201)
3
base unit (BU-K7BD81D2)
10
HCD-NEZ7
3-5. FRONT PANEL SECTION
3-6. MECHANICAL DECK (CMAL5Z231)
7
screw
(BVTT 3
(BVTT 3
×
6)
8
three screws
(BVTP 3
(BVTP 3
×
8)
1
flexible flat (13 core) cable (FFC501)
(CN500)
(CN500)
3
flexible flat (19 core) cable (FFC805)
(CN321)
(CN321)
4
flexible flat (9 core) cable (FFC803)
(CN900)
(CN900)
5
flexible flat (7 core) cable (FFC815)
(CN715)
(CN715)
6
connector
(CN301)
(CN301)
9
front panel section
2
flexible flat (15 core) cable (FFC804)
(CN320)
(CN320)
2
three screws
(BVTP 2.6
×
8)
2
screw
(BVTP 2.6
(BVTP 2.6
×
8)
3
terminal lead wire
(WIRE200)
(WIRE200)
4
mechanical deck
(CMAL5Z231)
(CMAL5Z231)
1
flexible flat (7 core) cable (FFC801)
11
HCD-NEZ7
3-7. MAIN BOARD
3-8. MODULE (DAB) TUNER, TUNER UNIT
4
two connectors
(CN902, CN903)
(CN902, CN903)
7
flexible flat (15 core) cable
(CN319)
(CN319)
5
screw (BVTP 3
×
8)
2
screw (BVTP 3
×
8)
6
1
spacer
3
ground plate
8
MAIN board
3
two screws
(BVTT 3
(BVTT 3
×
6)
3
three screws
(BVTT 3
(BVTT 3
×
6)
1
connector
(CN700)
(CN700)
4
7
two screws
(BVTP 3
(BVTP 3
×
8)
8
6
POWER board section
5
power cord connector
(CN901)
(CN901)
q;
tuner unit
9
wire (flat type) (15 core)
9
wire (flat type) (5 core)
(CN716)
(CN716)
2
module (DAB) tuner
12
HCD-NEZ7
COLD RESET
The cold reset clears all data including preset data stored in the
memory to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
memory to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. In the standby status, press the
I/
1
button to turn the power
on.
2. While pressing the
x
button, press the
I/
1
button.
3. The set is reset, and become standby status.
SECTION 4
TEST MODE
CD ERROR HISTORY
This mode can be used for CD error history display.
Procedure:
1. Press the
CD
u
button to select CD function.
2. Press two buttons of [DSGX] and
CD
u
for two seconds
simultaneously.
3. CD error history is displayed on the liquid crystal display. Each
time
m
or
M
button on the remote commander is pressed,
CD error history is changed.
PANEL TEST MODE
Enter The Panel Test Mode
Procedure:
1. In the standby status, press two buttons of [DSGX], and
lm
for two seconds simultaneously.
2. When the panel test mode is activated, LEDs and segments of
liquid crystal display are all turned on.
Version Check
Procedure:
1. In the panel test mode (all LEDs and segments of liquid crystal
display are turned on), press the [TUNER / BAND] button.
2. Destination indication and model type indication are displayed
on the liquid crystal display.
3. From this status, each time the [TUNER / BAND] button is
pressed, it changes the version display of each module
cyclically as follows.
cyclically as follows.
Display
Module
MC
Main controller
GC
Display
CD
CD system
CDD
CD device master
CDMA
CDM upper module
CDMB
CDM lower module
BDA
BD upper module
BDB
BD lower module
ST
Tuner
TA
Amplifier
TM
Timer
TC
Tape
4. To date of any module, press the [DSGX] button.
5. To release from this mode, press two buttons of [DSGX]
5. To release from this mode, press two buttons of [DSGX]
and
lm
for two seconds simultaneously.
Key Check
Procedure:
1. In the panel test mode (all segments of liquid crystal display
are turned on), press the [PLAY MODE / TUNING MODE] button.
2. It displays “K 0 V0” on the liquid crystal display.
3. Each time a button is pressed, “K” value increases. However,
3. Each time a button is pressed, “K” value increases. However,
once a button is pressed, it is no longer taken into account.
All keys are pressed, display becomes “K13”.
4. “V” value increases like 0, 2, 4... or 1, 3, 5... if turn the
[VOLUME] knob clockwise, or it decreases like 0, 8, 6... or 1,
9, 7... if turn the knob counterclockwise.
9, 7... if turn the knob counterclockwise.
5. To release from this mode, press two buttons of [DSGX]
and
lm
for two seconds simultaneously.
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