DOWNLOAD Sony HCD-GZR333I / HCD-LCD77DI / LBT-LCD77DI / MHCGZR333I Service Manual ↓ Size: 5.05 MB | Pages: 98 in PDF or view online for FREE

Model
HCD-GZR333I HCD-LCD77DI LBT-LCD77DI MHCGZR333I
Pages
98
Size
5.05 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gzr333i-hcd-lcd77di-lbt-lcd77di-mhcgzr333i.pdf
Date

Sony HCD-GZR333I / HCD-LCD77DI / LBT-LCD77DI / MHCGZR333I Service Manual ▷ View online

HCD-GZR333I/LCD77DI
17
2-17.  MOTOR (TB)  BOARD
2-18.  MOTOR (LD)  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-GZR333I/LCD77DI
18
2-19. CHASSIS
2-20.  DMB19  BOARD
1 screw
 (+BVTP 
u8)
2 two screws
 (+BVTP 
u8)
3 two screws
 (+BVTP 
u8)
5 chassis
4
9 two screws
 (+BVTP 
u6)
0 two screws
 (+BVTP 
u6)
qs two screws
 (+BVTP 
u6)
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-GZR333I/LCD77DI
19
2-21.  BASE  UNIT
2-22.  OPTICAL  PICK-UP
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-GZR333I/LCD77DI
20
SECTION  3
TEST  MODE
[COLD  RESET]
•  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.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [DISC 3] button and [
?/1
] button simul-
taneously.
3.  The message “COLD RESET” appears on the LCD module. 
Then, the LCD module becomes blank for a while, and the 
system is reset.
[COMMON  TEST  MODE]
•  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 [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [PRESET EQ] button and [DISC 1] si-
multaneously.
3.  The message “VACS0” appears on the LCD module.
•  Check of Equalizer Level
1.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “ALL EQ MIN” appears on the LCD module. GEQ 
decreases to its minimum.
2.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “ALL EQ MAX” appears on the LCD module. GEQ 
increases to its maximum.
3.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “ALL EQ FLAT” appears on the LCD module. GEQ 
is set to fl at.
•  Check of Volume
1.  Press the [USB] button repeatedly, the sound volume increases 
to its maximum and message “VOLUME16” t “VOLUME 
MAX” appears on the LCD module.
2.  Press the [OPTIONS] button repeatedly, the sound volume 
decreases to its minimum and message “VOLUME16” t 
“VOLUME MIN” appears on the LCD module.
•  Check of VACS (Variable Attenuation Control Sys-
tem) ON/OFF Select
1.  Press the [REC TO USB] button repeatedly until a message 
“VACS OFF” or “VACS ON” appears on the LCD module.
•  To release from Common Test Mode
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 
check operations of the respective sections of Equalizer band 
and DBFB ON/OFF.
Procedure:
•  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 on the LCD module.
•  Check of VACS Display/AMP Adjustment Select
1.  Press the [REC TO USB] button repeatedly until a message 
“V0 0 0” appears on the LCD module. “0” 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 LCD module. “+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 
message “LOW +4 dB” appears on the LCD module. EQ Band 
is set to Low level.
2.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “MID 0 dB” appears on the LCD module. EQ Band is 
set to Middle level.
3.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “HIGH +2 dB” appears on the LCD module. EQ Band 
is set to High level.
•  Change of Equalizer Band
1.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “LOW +4 dB” appears on the LCD module.
2.  When the [OPERATION DIAL] ring is turned clockwise or 
counterclockwise even slightly, “LOW +4 dB” change to 
“LOW –8 dB” y “LOW +8 dB” appears on the LCD mod-
ule.
3.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “MID 0 dB” appears on the LCD module.
4.  When the [OPERATION DIAL] ring is turned clockwise or 
counterclockwise even slightly, “MID 0 dB” change to “MID 
–8 dB” y “MID +8 dB” appears on the LCD module.
5.  Press the [EQ BAND/MEMORY] button repeatedly until a 
message “HIGH +2 dB” appears on the LCD module.
6.  When the [OPERATION DIAL] ring is turned clockwise or 
counterclockwise even slightly, “HIGH +2 dB” change to 
“HIGH –8 dB” y “HIGH +8 dB” appears on the LCD mod-
ule.
•  Check of DBFB ON/OFF Select
1.  Press the [OPTIONS] button repeatedly until a message 
“DBFB OFF” or “DBFB ON” appears on the LCD module.
•  To release from AMP Test Mode
1.  To release from this mode, press the [
?/1
] button.
Page of 98
Display

Click on the first or last page to see other HCD-GZR333I / HCD-LCD77DI / LBT-LCD77DI / MHCGZR333I service manuals if exist.