Sony CDX-GS500R Service Manual ▷ View online
CDX-GS500R
CDX-GS500R
17
17
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM - SERVO Section -
SIGNAL PATH
: AUDIO
: CD
: USB
R-ch is omitted due to same as L-ch.
CD MECHANISM
DECK BLOCK
(MG-101CA-188)
AUTO POWER
CONTROL
Q710
FPI1
A
B
C
F
E
1/2VCC
PD
LD
18
FNI2
15
FNI1
16
FPI2
17
TNI
21
TPI
20
VRO
22
LDO
25
MDI
24
CD HEAD AMP,
DIGITAL SERVO PROCESSOR,
AUDIO DSP
IC701
FOCUS
FOO
31
TRACK
TRO
32
SL
FMO
34
SP
DMO
35
DRV_ON
DRV_ON
3
LOAD
MEC_LOAD
41
EJECT
MEC_EJECT
42
DM
127
DP
125
D_SW
MEC_DSW
69
IN_SW
MEC_INSW
68
L_SW
MEC_LIMIT
7
SELF
MEC_SELFSW
16
X701
16.934MHz
XO
XI
67
66
X601
12MHz
XO
XI
130
132
70
ADIN1 (IN_L-CH)
74
ADIN2 (IN_R-CH)
PRE_L
PRE_R
A
B
57
DAO3 (F_L-CH)
54
DAO2 (F_R-CH)
R-CH
59
DAO4 (R_L-CH)
61
DAO5 (SUB-CH)
52
DAO1 (R_R-CH)
R-CH
FL
FL, RL, SUB
RL
SUB
24
BSIF_LRCK
37
CD_BUS0
38
CD_BUS1
39
CD_BUS2
41
CD_BUCK
22
BSIF_DA
TA
25
BSIF_BCK
5
DEC_INT
9
DEC_XMUTE
92
BSIF_LRCK
91
BSIF_BCK
93
DEC_XMUTE
23
BSIF_GA
TE
89
BSIF_GA
TE
63 DSP_RST
85
/RST
64 DSP_SSTBY
37
/SRAMSTB
4
BSIF_INT
88
BSIF_INT
87
DEC_INT
90
BSIF_DA
TA
CD_BUS0
77
CD_BUS1
78
CD_BUS2
79
CD_BUCK
81
45
CD_XCCE
CD_XCCE
82
40
CD_BUS3
CD_BUS3
80
4
3
5
D+
D–
V_BUS
USB_VBUS
CNC1
95
SP_DA
TA
SP_DA
TA
15
96
SP_CLK
SP_CLK
14
17
A-ATT
MD_MUTE_IN
72
8
CD_XRST
CD_XRST
71
113
DOWNLD_DET
DOWNLD_DET
99
59
MC_RX
MC_TX
22
58
MC_TX
MC_RX
20
94
ZDET
CD_ZDET
16
SDA
EEPROM
IC704
2
SCL
6
60
I2C_SCL
61
I2C_SDA
CS
SERIAL
FLASH
IC602
1
WP
3
HOLD
7
11
SF_HOLD
10
SF_WP
20
SF_CE
DO
2
DI
5
CLK
6
21
SF_CLK
18
SF_SO
19
SF_SI
MAIN SYSTEM
CONTROLLER
CONTROLLER
IC501 (1/3)
SUB SYSTEM
CONTROLLER
IC601 (1/2)
2
RESETn
GHOST_RST
59
(Page 18)
(Page 18)
CDX-GS500R
CDX-GS500R
18
18
4-2. BLOCK DIAGRAM - MAIN Section -
A
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
MAIN SYSTEM CONTROLLER
IC501 (2/3)
AU_OUT_FL 36
AU_OUT_SR 39
MUTE_PRE4V 74
AU_OUT_RL 38
R-CH
FL+
FL–
5
6
8
FR+
FR–
2
7
RL+
CN301 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
3
4
1
RR–
R-CH
MUTING
Q405
MUTING
Q404
MUTING
Q402
: TUNER
: AUX
: AUDIO
IN-RL
11
IN-FL
12
I2C_SDA
2
I2C_SCL
4
OUT-RL- 7
OUT-RL+ 9
OUT-FL- 3
OUT-FL+ 5
R-CH
R-CH
R-CH
FRONT
AUDIO OUT
L
REAR
AUDIO OUT
R
L
R
DIAG
25
STB
22
BEEP
16
R-CH
R-CH
R-CH
45 HIT2_DATA
46 HIT2_CLK
47 HIT2_RESET
46 HIT2_CLK
47 HIT2_RESET
28
I2C_SIO
27
I2C_SCK
57
DIAG
58
AMPSTB
26
BEEP
56
ATT
J1
(ANTENNA IN)
TU_LCH
5
I2C_SDA
23
I2C_SCL
22
: SIRIUS/XM
SUB OUT
(MONO)
B
PRE_R
PRE_L
27
AU_OUT_RCH
28
AU_OUT_LCH
30 AU_IN_SUB
FL, RL, SUB
31 AU_IN_RL
33 AU_IN_FL
LINE AMP
IC404
OUT2 31
MUTE
7
CLK
14
2 IN_FL
OUT4 29
4 IN_RL
OUT5 28
5 IN_SR
SUB
RL
FL
XM_LCH
11
AUX_LCH
8
SIGNAL PATH
R-ch is omitted due to same as L-ch.
J403
CN01
TUX-DSP02 (TUNER UNIT)
AUDIO_OUT_L
RF_ANT_IN
SDA
SCL
RSTN
AUDIO_OUT_R
CN802
1
4
6
2
10
9
SIRIUSXM IN
J901
AUX
XM_TX
33
XM_RX
34
XM_POWER EN
35
BUFFER
IC830, 831
F3
B/U B+
C
SYNC
(US, Canadian)
MUTING CONTROL
Q407, 409 (Suffix-21)
Q407 – 409 (Suffix-22)
(Page 19)
(Page 17)
(Page 17)
Ver. 1.1
Note: Refer to “MAIN BOARD DISCRIMINATION” on page 1 on supplement-1
for how to distinguish Suffi x-21 and Suffi x-22 of the MAIN board.
CDX-GS500R
CDX-GS500R
19
19
4-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
SUB SYSTEM
CONTROLLER
IC601 (2/2)
MAIN SYSTEM CONTROLLER
IC501 (3/3)
ACC
13
AMP_REM
9
15 VCC
B/U B+
REGULATOR
IC301 (2/2)
CN301 (2/2)
AUDIO+B (8.5V)
30
VP2 6
+8.5V
AMP-REM 29
SERVO-3.3V
31
PANEL+B
34
BU+B
37
BU +3.3V
VP1 20
BU +5V
MECHA-6V
33
+3.3V
REGULATOR
IC402
ACCESSORY
DETECT
Q301
ACC_IN 55
VP 35
ILL
11
DIMMER
DETECT
DETECT
Q302
ILL_IN 27
IC701 VDD +1.5V
IC601 +1.2V
IC701 VDDM +1.5V
+1.5V
REGULATOR
IC682
ILL +B
DR +6V
VDD +3.3V
USB1_ON 116
USB1_OVR 115
EN_SYS 51
BUIN 17
SYNC_OUT 24
USB_VBUS
DSP_1_5V 65
VIN 3
2 LX
USB_IN 7
5 USB_OUT
DC/DC CONVERTER
IC1300
SYNC
8
EN_SYS
4
EN_USB
12
FL
T_USB
9
D805, 806
BATTERY
CHECK
Q801 - 803
NOSE_SW
1
S951 - 957,
S959 - 966,
S959 - 966,
RE901 (1/2)
(FRONT PANEL KEY)
RC_IN1
19
RC_IN0
95
J801
REMOTE IN
(VOLUME)
80 RE-IN0
79 RE-IN1
79 RE-IN1
ROTARY
ENCODER
RE901 (2/2)
89 KEY_ACK0
90 KEY_ACK1
92 KEYIN1
93 KEYIN0
OSCOUT
OSCIN
X501
7.92MHz
X502
32.768kHz
XOUT
XIN
11
13
9
8
SIRCS
2
REMOTE CONTROL
RECEIVER
IC902
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC901
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
LED DRIVE
Q906 – 908
Q906 – 908
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED903
(KEY ILLUMINATION)
LED902
(RING ILLUMINATION)
G
2
B
3
LED DRIVE
Q900 – 902
Q900 – 902
LED DRIVE
Q903 – 905
Q903 – 905
R
1
LED900
(LCD BACK LIGHT)
LCD_CE
28
LCD_CLK
29
LCD_DO
26
S [1] – S [49]
SEG1 – SEG49
49
COM [1] – COM [4]
COM1 – COM4
4
+1.5V
REGULATOR
IC681
IC601 +3.3V
+1.2V
REGULATOR
IC703
GHOST_3_3V 67
+3.3V
REGULATOR
IC603
C
SYNC
17
17
CN901
CN102
(Page 18)
CDX-GS500R
CDX-GS500R
20
20
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• C : Panel designation.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Power voltages is dc 14.4V and fed with regulated dc
• B : B– Line.
• Power voltages is dc 14.4V and fed with regulated dc
power supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
< > : CD PLAY
< > : CD PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
f :
TUNER
J :
CD
d :
USB
h :
SIRIUS/XM
E :
AUX
• Abbreviation
CND : Canadian model
CND : Canadian model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Waveforms
– MAIN Board –
Note: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
Note: When the complete MAIN board replaced, the destination set-
ting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
1
IC1300
1 (BST)
5 V/DIV, 1
Ps/DIV
2.46
Ps
18.2 Vp-p
3
IC501
qa (OSCOUT)
1 V/DIV, 50 ns/DIV
126.5 ns
3.6 Vp-p
2
IC501
9 (XOUT)
1 V/DIV, 10
Ps/DIV
30.4
Ps
2.6 Vp-p
4
IC701
yj (XO)
1 V/DIV, 20 ns/DIV
59 ns
3.7 Vp-p
5
IC601
<zc/ (XO)
500 mV/DIV, 50 ns/DIV
83 ns
1.1 Vp-p
• Abbreviation
CND : Canadian model
CND : Canadian model
Ver. 1.1
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