HCD-GPX3G (serv.man2) - Sony Audio Service Manual (repair manual)

hcd-gpx3g (serv.man2) service manual
Model
HCD-GPX3G (serv.man2)
Pages
6
Size
444.88 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / SUPPLEMENT-1
File
hcd-gpx3g-sm2.pdf
Date

Read Sony HCD-GPX3G (serv.man2) Service Manual online

SERVICE MANUAL
SUPPLEMENT-1
1
9-890-598-81
E Model
Ver. 1.1  2012.07
File this supplement with the service manual.
Subject: Addition of SERVICING NOTES (TROUBLESHOOTING)
HCD-GPX3G
HCD-GPX3G
2
SECTION  1
SERVICING NOTES
TROUBLESHOOTING
Switching Regulator Diagnosis Flow
(1) A
C
 in
pu
t
(2) Fu
se
(3) S
ub P
ow
er t
ran
sf
orm
er
(4
) CN 3
 Co
nn
ec
to
r
pi
n1
:13.5V
 , pi
n2
:GN
D
 , pi
n3
: A
C
 D
ET
 , pi
n4
: MA
IN
 ON
pi
n5
: SU
O
N
 
(5) MA
IN
 P
ow
er tran
sf
orm
er
(6
) CN 2
 Co
nn
ecte
r
pi
n1-3: P
VD
D
 (D
C
+54.5V
pi
n4
: P
VDD 
(DC+
22
V)
 
pi
n5
: G
ND 
pi
n6
: P
VDD 
(DC-
22
V)
 
pi
n7
-9
: P
VDD 
(DC-
54
.5
V)
 
AC
 IN
Th
e P
ow
er
 C
on
trol
 s
ign
al
 to S
w
itc
hi
ng r
egu
lat
or
 is
 c
hec
ked.
Is
 fol
low
in
pow
er
 v
ol
tage 
O
K?
 
Ch
ecks 
wh
et
he
r th
sta
te
 o
f a
 Ca
bl
an
d
O
ut
let
 ar
nor
m
al
. I
f t
her
e ar
e n
pr
obl
em
s,
ch
ecks cir
cu
m
fe
re
nce
 cir
cu
it 
fo
r M
ain
on
/S
ub on
 O
ut
pu
t of
 M
ai
n m
ou
nt
 s
ide .
 
Ye
s
No
Th
O
ut
pu
t f
ro
m
 S
w
itch
in
re
gu
la
to
 is ch
ecke
d.
Is
 fol
low
in
g pow
er
 v
ol
tage 
up t
st
an
dar
d?
 
  S
tan
dby
D
em
m
ode
C
N
 3  1p
in
:    
C
N
 2  1p
in
:          
            
     
Re
pl
ac
es
 S
wit
ch
in
re
gu
la
to
if 
it is n
ot
 
up t
st
an
dar
d.
 
No
Ye
s
EN
D
13.5V ± 0.5V
13.5V ± 0.5V
7.5V ± 0.5V
54.5V
 ± 
0.5V 
Po
w
er
 O
n
Main on/Sub on        Standby
  
Demo mode      Power On
CN 3  :4pin:               Low (0V)         Low (0V)
  
  Hi (3V)
CN 3  :5pin
            Low (0V)         Hi (3V)              Hi (3V)
( 1
 )
(2
 )
(
 3)
(4
  )
( 5
 )
(
 
6
 
)
0V
0V
HCD-GPX3G
3
D-AMP
 Mount Diagnosis Flow (1/2)
PL
AY
 M
U
SI
C
Ye
s
No
C
hec
ks
 O
U
T t
er
m
in
al
-4
3V
 ou
tpu
t of
  R
EG
 IC
 1
40
2
Or
, C
he
cks
GN
D
and
 OU
T
Te
rm
ina
l w
ith 
Te
ste
r.
Is
 it
 s
hor
ted 
ou
t?
Ch
ecks 
cir
cu
m
fe
re
nce
 cir
cu
it o
f RE
IC
1402. 
If 
 the
re
 a
re
 no
 p
ro
bl
em
s, 
ex
ch
an
ge
s  
IC
1402.
Ye
s
C
he
ck
s 13.
5V
 o
ut
put o
f  
N
O
806
1p
in.
Is
 th
e pow
er
 v
ol
tage 
O
K?
Ye
s
Ch
ecks 
3V
 o
utp
ut
 o
f  NO
80
2
5p
in
(M
ain
 o
n)
Is
 th
e pow
er
 v
ol
tage 
O
K?
Ch
ecks 3
ou
tp
ut
 o
f  
NO
80
2
6p
in
(S
ub
 o
n)
.
Is
 th
e pow
er
 v
ol
tage 
O
K?
Ye
s
C
he
ck
s 54.
5V
 o
ut
put o
f  
N
O
1402
1p
in(P
VD
D
).
Is
 th
e pow
er
 v
ol
tage 
O
K?
A
B
Ye
s
Is
 th
er
e au
di
ou
tpu
t f
rom
 D
-A
M
Boar
d?
R
ei
ns
er
ts
 th
e c
abl
or
 E
xc
han
ges
.
If 
 th
er
e a
re
 n
o p
ro
ble
m
s, 
Ch
ecks  Ou
tp
ut
  
of
  S
ub on
 O
ut
pu
t of
 M
ai
n B
oar
si
de.
R
ei
ns
er
ts
 th
e c
abl
or
 E
xc
han
ges
.
If 
 th
er
e ar
no pr
obl
em
s,
 C
hec
ks
 S
ub 
on
 
O
ut
pu
t of
  M
ai
Boar
si
de.
R
ei
ns
er
ts
 th
e c
abl
or
 E
xc
han
ges
.
If 
 th
er
e a
re
 n
o p
ro
ble
m
s, 
Ch
ecks  o
utp
ut
 
of
 S
wit
ch
in
re
gu
la
to
Bo
ar
d
.
Ye
s
R
ei
ns
er
ts
 th
e c
abl
or
 E
xc
han
ges
.
If 
 th
er
e a
re
 n
o p
ro
bl
em
s, 
Ch
ecks  o
utp
ut
 
of
 S
w
itc
hi
ng 
regu
lat
or
 B
oar
d.
No
No
No
No
No
HCD-GPX3G
4
D-AMP
 Mount Diagnosis Flow (2/2)
A
B
No
No
No
Ye
s
No
Ye
s
Ye
s
Ye
s
EN
D
R
epl
ac
es
D
-A
M
P
Boar
C
he
ck
O
U
T T
ermi
na
l 5V
 o
ut
put
of
  R
EG
 IC
1414 
or
,
Ch
ecks GND
an
d OUT
Te
rm
in
al 
 with
 T
este
r.
Is
 it
 s
hor
ted 
ou
t?
C
he
cks OU
Te
rm
ina
l -
5V
 o
utp
ut o
f  
R
EG IC
1415 
or
 ,
Ch
ecks GND
an
d OUT
Te
rm
in
al 
 with
 T
este
r.
Is i
t sho
rte
ou
t?
Leav
D
-A
M
P M
ou
nt
  t
o a 
st
at
of
 it
 on
ly 
an
, c
hec
ks
 P
ow
er
 
Au
di
o D
riv
er(MO
FE
T) 
w
ith 
Te
st
er.
Is
 it
 s
hor
ted 
ou
t?
 䋨
R
ef
er
 to
 P
ag
5.
As
sem
bl
es
 in
to 
th
e u
ni
t agai
th
en
 ,c
he
ck
 w
het
her
  t
her
e
is
 th
e au
di
 ou
tpu
t f
rom
  D
-A
M
P
Boar
d.
  
R
epl
ac
es
D
-A
M
P
Boar
Che
cks cir
cum
fe
re
nce
 cir
cui
t o
RE
G IC1414.
If the
re
 a
re
 no
 p
ro
bl
em
s, 
ex
cha
ng
es
  
IC
1414.
Che
cks 
cir
cum
fe
re
nce
 cir
cui
t o
f RE
G IC1415.
If the
re
 a
re
 no
 p
ro
bl
em
s, 
ex
cha
ng
es
IC
1415.
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Here you can read online and download Sony HCD-GPX3G (serv.man2) Service Manual in PDF. HCD-GPX3G (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony HCD-GPX3G (serv.man2) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.