Sony CDX-GT320 / CDX-GT32W / CDX-GT370 / CDX-GT370S Service Manual ▷ View online
17
CDX-GT32W/GT320/GT370/GT370S
4-5. CD error information display mode
4-5-1. Error description
4-5-1. Error description
4-5-2. Disc type and operating hours
The display mode is switched by each rotation of [2] or [1] keys
during the CD error information display mode.
during the CD error information display mode.
4-6. OFFSET/FAILURE error display mode
The display mode is switched by each rotation of [2] or [1] keys
during the OFFSET/FAILURE error display mode.
during the OFFSET/FAILURE error display mode.
Error description
(in hexadecimal
format)
(in hexadecimal
format)
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
0 5 1 X X
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
Disc type
0 5 1 X X X X X
CD error info history 1 (latest)
Error description plus error details display
Error description plus error details display
CD error info history 3
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 3
Error description plus error details display
Error description plus error details display
CD error info history 2
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 2
Error description plus error details display
Error description plus error details display
CD error info history 1 (latest)
Disc type plus operating hours display
Disc type plus operating hours display
0 5 1 X X X X X
0 5 2 X X
0 5 2 X X X X X
0 5 3 X X
0 5 3 X X X X X
0 5 1 X X
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
06: OFFSET/FAILURE
06: OFFSET/FAILURE
Error description
(0: OFFSET, 1: FAILURE)
(0: OFFSET, 1: FAILURE)
0 6 1 X X X X X
OFFSET/FAILURE error history 1 (latest) display
OFFSET/FAILURE error history 3 display
OFFSET/FAILURE error history 2 display
0 6 2 X X X X X
0 6 3 X X X X X
0 6 1 X X X X X
Error information
Indication
Description
1X
SERVO ERROR
3X
LOADING ERROR
4X
TRACK JUMP
5X
TEXT ERROR
FX
MECHA ERROR
Disc type
Indication
Disc type
0
MP3
1
WMA
2
AAC
3
ATRAC
8
CD/DA
F
UNKNOWN
18
CDX-GT32W/GT320/GT370/GT370S
MEMO
19
19
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
5-1. BLOCK DIAGRAM — MAIN SECTION —
SECTION 5
DIAGRAMS
• Signal Path
• R-CH is omitted due to same as L-CH.
11
15
15
22
24
24
26
16
5
7
6
21
27
9
25
18
19
19
8
1,2
AU_LCH
AU_RCH
UNI_SO
UNI_SI
UNI_CLK
Z_MUTE
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
BUS_ON
BU+3.3V
A_ATT
BU_IN
D_+3.3V
A_+3.3V
A_+3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
SERVO +3.3V
S702
(RESET)
BU_+3.3V
MECHA +6V
MECHA +6V
R-CH
9 AUX-LCH
7 AUX-RCH
R-CH
2 BUS-LCH
1 BUS-RCH
28
LINK OFF
UNISO
59
UNISI
58
UNISCK
60
Z-MUTE
93
CD_ON
98
CDM_ON
99
RESET
77
SYSRST
88
BUSON
BU +3.3V
87
VOUT
1
VDD 2
D512
D510
: AM/MW/SW
: CD PLAY
: FM
: BUS
: AUX
1 ANT
4 TU-LCH
8 AUX GND
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
CNP301
CD
MECHANISM
UNIT
(MG-101TC)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (1/2)
RESET
IC602
BUS INTERFACE
IC580
CN601
3 TU-RCH
6 CD-LCH
5 CD-RCH
R-CH (FRONT)
R-CH (REAR)
VOLATT
R-CH (REAR)
VOLATT
BATT
R-CH
4
3
13
TU-SCL
14
TU-SDA
6
S-METER
5
QUALITY
7
TU-MUTE
16
E2P-SCL
17
E2P-SDA
39 VSM
38 QUALITY
10 VCC (+8.3V)
11 TU-VDD (TU+5V)
15 E2P-VDD
AUDIO +8.3V
TU+5V
B.U +3.3V
12 TU ATT
25 EEP_CKO
24 EEP_SIO
24 EEP_SIO
L-CH
R-CH
J901
AUX
5
3
3
OUT-FL+
OUT-FL–
9
7
7
OUT-RL+
OUT-RL–
27
R-CH
ANT-REM
35
VP
BATT
20
VP1
6
VP2
30
AUDIO+8.3V
31
33
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
TU+5V
26
24
24
OUT-FR
OUT-RR
R-CH
R-CH
21
22
22
SUBOUT L
SUBOUT R
28
MUTE
4 SCL
AUDIO +8.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+B
2 SDA
16 BEEP
22 STB
25 DIAG
25 DIAG
AUDIO +8.3V
7
10
12
11
16
1
9
2
4
3
6
29
30
30
SCL
SDA
19
SAOUT
18
SADA
17
SACLK
15
SACLK
14
SAOUT
46
SAIN
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SDA
VSM
QUALITY
TUATT
EEP-SCL
EEP-SDA
33
I2C_CKO
34
I2C_SIO
9
VOL ATT
86
ATT
5
BEEP
26
AMPSTB
8
DIAG
54
BU IN
12 IN-FL
FL+
FL–
L
R
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
BATT
ACC
25
OUT-FL
11 IN-RL
23
OUT-RL
MUTE
Q481
MUTE
CONTROL SWITCH
Q478,479
BATT
72
ACC_IN
BATTERY CHECK
Q580,D580,581
ACCESSORY CHECK
Q631
TU+5V REG
Q1,D1
BU+3.3V
BU +5V
BU+3.3V REG
IC681
MUTE
Q461
29
AMP-REM
5
AMP-REM
REAR
D479
D511
FU601
37
B.UP+B
BU +5V
B.U+5V
FRONT
GT32W/GT320
R-CH
L
J330 (2/2)
R
AUDIO
OUT
L
R
J330(1/2)
BUS
AUDIO
IN
MUTE
Q441
10 B/U-C
3
BATT
CLK
RST
DATA I/O
BUS ON
9 DATA IN
8 DATA OUT
13 RST
12 BIS-IN
11 CLK-IN
5
6
6
8
4
2
3
3
1
4
1
2
BATT
BUS
CONTROL IN
TH580
CN580
7
6
LINK ON/OFF
SWITCH
Q587
BUS ON/OFF
SWITCH
Q586
20
20
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
• Waveforms
— MAIN Board —
5-2. BLOCK DIAGRAM — DISPLAY SECTION —
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
For schematic diagrams.
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : AM/MW/SW
<
> : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: AM
L
: BUS
g
: AUX
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
KEY ACKNOWLEDGE
SWITCH
Q664
X502
32.768kHz
79
80
40
28
29
27
41
52
76
SYSTEM CONTROL
IC501 (2/2)
DISPLAY CONTROL
IC901
KEYIN1
CL
CE
LCD_SO
LCD_CKO
LCD_CE
64
3
SIRCS
OUT
DIMMER
KEYIN0
31 RE-IN0
RE-0
RE-1
32 RE-IN1
KEY ACK
AD_ON
XIN
XOUT
X501
18.432MHz
82
83 OSCOUT
7 NOSE_SW
OSCIN
63
64
62
2
COM1
I
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D503
5
|
50
•
55
•
60
51
|
54
S1
I
S48
DI
LCD
BACK LIGHT
SWITCH
Q932
DIMMER
SWITCH
Q931
LED931
PANEL+B
(
)
KEY MATRIX
LSW901–911,
S901–904
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
BACK LIGHT
1
LCD BACK
LIGHT
(
)
LSW901–911,
LED941,942,
944,945,951–953
KEY
ILLUMINATE
IR
REMOTE CONTROL
SIGNAL RECEIVER
IC971
3 AREASEL2
S502
FREQUENCY
SELECTOR
BU+3.3V
GT370/GT370S
10K
9K
0.7Vp-p
32.768kHz
1
IC501
ul
(XOUT)
1.8Vp-p
18.432MHz
2
IC501
id
(OSCOUT)
0.5 V/DIV, 20
µ
sec/DIV
0.5 V/DIV, 20 nsec/DIV
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