Sony HCD-GZR33D / HCD-LCD7DI / LBT-LCD7DI / MHCGZR33DI Service Manual ▷ View online
HCD-GZR33D/LCD7Di
17
2-18. MOTOR (LD) BOARD
2-17. MOTOR (TB) BOARD
5 Remove the two solders of motor.
4 MOTOR (TB) board
2 stopper
2 stopper
6 table motor assy (M741)
table assy
3 two screws
(+BTTP (M2.6))
1
4 Remove the two solders of motor.
3 MOTOR (LD) board
1 belt (loading)
5 loading motor assy (M751)
2 two screws
(+BTTP (M2.6))
HCD-GZR33D/LCD7Di
18
2-19. CHASSIS
2-20. DMB19 BOARD
1 screw
(+BVTP
3
u8)
2 two screws
(+BVTP
3
u8)
3 two screws
(+BVTP
3
u8)
5 chassis
4
9 two screws
(+BVTP
3
u6)
0 two screws
(+BVTP
3
u6)
qs two screws
(+BVTP
3
u8)
qd screw
(+BVTP 2.6 (3CR))
2 wire (flat type) (9 core)
(CN1106)
3 wire (flat type) (7 core)
(CN1104)
8 wire (flat type) (24 core)
(CN101)
qf bracket (DMB)
5 wire (flat type) (7 core)
(CN4602)
1 CN1105 (4P)
4 CN1103 (3P)
6 CN601 (9P)
qa DMB19 board
7 CN201 (6P)
HCD-GZR33D/LCD7Di
19
2-22. OPTICAL PICK-UP
2-21. BASE UNIT
2 base unit
1 floating screw
(+PTPWH M2.6)
1 two insulator screws
3 two insulators
4 two insulators
2 two insulator screws
5 optical pick-up
6 holder (310)
HCD-GZR33D/LCD7Di
20
SECTION 3
TEST MODE
[COLD RESET]
• The cold reset clears all data including preset data stored in the
• 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 customer.
the set to the customer.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [
x
] button, [DISC 3] button and [
?/1
] button
simultaneously.
3. The message “COLD RESET” appears on the liquid crystal
display panel. Then, the liquid crystal display panel becomes
blank for a while, and the system is reset.
blank for a while, and the system is reset.
[COMMON TEST MODE]
• This mode is used to check operations of the respective section
• This mode is used to check operations of the respective section
of Equalizer level, volume and VACS ON/OFF.
Procedure:
• To enter Common Test Mode
1. Press the [
• To enter Common Test Mode
1. Press the [
?/1
] button to turn on the system.
2. Press the [
x
] button, [PRESET EQ] button and [DISC 1]
simultaneously.
3. The message “VACS0” appears on the liquid crystal
display
display
panel.
• Check of Equalizer Level
1. Press the [EQ BAND/MEMORY] button repeatedly until a
1. Press the [EQ BAND/MEMORY] button repeatedly until a
message “ALL EQ MIN” appears on the liquid crystal
display panel. GEQ decreases to its minimum.
2. Press the [EQ BAND/MEMORY] button repeatedly until a
message “ALL EQ MAX” appears on the liquid crystal
display panel. GEQ increases to its maximum.
display panel. GEQ increases to its maximum.
3. Press the [EQ BAND/MEMORY] button repeatedly until a
message “ALL EQ FLAT” appears on the liquid crystal
display panel. GEQ is set to fl at.
display panel. GEQ is set to fl at.
• Check of Volume
1. Press the [DISPLAY] button repeatedly, the sound volume
1. Press the [DISPLAY] button repeatedly, the sound volume
increases to its maximum and message “VOLUME16” t
“VOLUME MAX” appears on the liquid crystal display
panel.
panel.
2. Press the [OPTIONS] button repeatedly, the sound volume
decreases to its minimum and message “VOLUME16” t
“VOLUME MIN” appears on the liquid crystal display panel.
• Check of VACS (Variable Attenuation Control System)
ON/OFF
ON/OFF
Select
1. Press the [REC TO USB] button repeatedly until a message
“VACS OFF” or “VACS ON” appears on the liquid crystal
display panel.
display panel.
• To release from Common Test Mode
1. To release from this mode, press the [
1. To release from this mode, press the [
?/1
] button.
2. To cold reset is enforced at the same time.
[AMP TEST MODE]
• This mode is used to display the real time VACS level and
• This mode is used to display the real time VACS level and
check operations of the respective sections of Equalizer band
and DBFB ON/OFF.
and DBFB ON/OFF.
Procedure:
• To enter AMP Test Mode
1. Press the [
• To enter AMP Test Mode
1. Press the [
?/1
] button to turn on the system.
2. Press the [
x
] button, [GROOVE] button and [DISC 1] button
simultaneously.
3. The message “AMP TEST IN” appears of the liquid crystal
display panel.
• Check of VACS Display/AMP Adjustment Select
1. Press the [REC TO USB] button repeatedly until a message
1. Press the [REC TO USB] button repeatedly until a message
“V0 0 0” appears on the liquid crystal display panel. “0”
represents VACS level which is triggered by signal level.
represents VACS level which is triggered by signal level.
2. Press the [REC TO USB] button repeatedly until a message
“D +4 +0 +2” appears on the liquid crystal display panel.
“+4” represents Equalizer Low level, “+0” represents
Equalizer Mid level and “+2” represents Equalizer High
level.
“+4” represents Equalizer Low level, “+0” represents
Equalizer Mid level and “+2” represents Equalizer High
level.
• Check of Equalizer Band Select
1. Press the [EQ BAND/MEMORY] button repeatedly until a
1. Press the [EQ BAND/MEMORY] button repeatedly until a
message “LOW +4 dB” appears on the liquid crystal display
panel. EQ Band is set to Low level.
panel. EQ Band is set to Low level.
2. Press the [EQ BAND/MEMORY] button repeatedly until a
message “MID +0 dB” appears on the liquid crystal display
panel. EQ Band is set to Middle level.
panel. EQ Band is set to Middle level.
3. Press the [EQ BAND/MEMORY] button repeatedly until a
message “HIGH +2 dB” appears on the liquid crystal display
panel. EQ Band is set to High level.
panel. EQ Band is set to High level.
• Change of Equalizer Band
1. Press the [EQ BAND/MEMORY] button repeatedly until a
1. Press the [EQ BAND/MEMORY] button repeatedly until a
message “LOW +4 dB” appears on the liquid crystal display
panel.
panel.
2. When the [OPERATION DIAL] ring is turned clockwise
or counterclockwise even slightly, “LOW +6 dB” change
to “LOW –8 dB” y “LOW +8 dB” appears on the liquid
to “LOW –8 dB” y “LOW +8 dB” appears on the liquid
crystal display panel.
3. Press the [EQ BAND/MEMORY] button repeatedly until a
message “MID +0 dB” appears on the liquid crystal display
panel.
panel.
4. When the [OPERATION DIAL] ring is turned clockwise
or counterclockwise even slightly, “MID +2 dB” change to
“MID –8 dB” y “MID +8 dB” appears on the liquid crystal
“MID –8 dB” y “MID +8 dB” appears on the liquid crystal
display panel.
5. Press the [EQ BAND/MEMORY] button repeatedly until a
message “HIGH +2 dB” appears on the liquid crystal display
panel.
panel.
6. When the [OPERATION DIAL] ring is turned clockwise
or counterclockwise even slightly, “HIGH +4 dB” change
to “HIGH –8 dB” y “HIGH +8 dB” appears on the liquid
to “HIGH –8 dB” y “HIGH +8 dB” appears on the liquid
crystal display panel.
• Check of DBFB ON/OFF Select
1. Press the [OPTIONS] button repeatedly until a message
1. Press the [OPTIONS] button repeatedly until a message
“DBFB OFF” or “DBFB ON” appears on the liquid crystal
display panel.
display panel.
• To release from AMP Test Mode
1. To release from this mode, press the [
1. To release from this mode, press the [
?/1
] button.
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