Sony MEX-1GP Service Manual ▷ View online
17
17
MEX-1GP
MEX-1GP
3-1. BLOCK DIAGRAM — CD SECTION —
SECTION 3
DIAGRAMS
83
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
89
RFEQO
3
RFRP
6
TEI
88
RFI
RFRPI
2 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
81
AGCI
82
94
96
95
97
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
VRO
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPIN4+ 27
OPOUT4 25
10 TRO
OPIN3– 23
OPIN3+ 24
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPOUT2 7
MUTE 21
BIAS 20
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
51
PIO3
48
PIO0
36
MSTBY
58
ZDET
37
/RST
43
/CCE
42
BUCK(CLK)
41
BUS3(SI)
CD-L
MAIN
SECTION
A
30
LO
27
RO
R-CH
27 DEC_SSTBY
15 CD_ZDET
15 CD_ZDET
14 CD_XRST
13 CD_XCCE
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD_BUCK
11 CD_BUS3
40
BUS2(SO)
10 CD_BUS2
39
BUS1
8
CD_BUS1
38
BUS0
7
CD_BUS0
81 X1
80 X0
MEC LOAD
43
DRVON
6
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROL
IC801 (1/4)
37 DEC_XMUTE
30 DEC_INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS_ON
51
BU_IN
75
RSTX
61
EJECT_OK
67
MECON_CHK
1
CDON_1500MV
1.5V_ON
63
MECON
64
CDON
66
ZMUTE
60
A_ATT
26
TXD
PD1
E
F
VC
VC
VC
LOAD
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q21
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
MAIN
SECTION
B
EJECT_OK
UNI_SI
UNI_SO
A_ATT
59
LINKOFF
LINK_OFF
UNI_CLK
BUS_ON
BU_IN
SYS_RST
97
CD_ON
VOUT
94
CDM_ON
95
Z-MUTE
MECHA+6V
89
68
CDON_CHK
1
5
VDD
3
CE
SERVO+3.3V
+1.5V
+1.5V
BU+3.3V
84
100
(Page 19)
(Page 19)
18
18
MEX-1GP
MEX-1GP
3-2. BLOCK DIAGRAM — MEMORY SECTION —
1
2
3
4
VBUS
D-
D+
GND
DPRS
DIO0
DIO7
52
17,20,22,24,
27,29,31,34
29 – 52,
41 – 44
D1 – 8
D1 – 8
DP
48
DM
47
DMRS
51
SM_REB 6
DAC_DATA 103
NEINT(1) 79
NRESET 93
NTRST 94
NEINT(0) 78
SCL_0 100
SDA_0 101
C_BCK 105
C_LRCK 104
C_MSCK 106
SD_A(4) 34
OUTL 7
OUTR 8
SD_A(0) 36
SD_A(11) 41
33
B2 17
B3 16
B4 15
B5 14
B6 13
B7 12
B8 11
B3 16
B4 15
B5 14
B6 13
B7 12
B8 11
OE 19
OE 19
WPB
RE
WP
BUSY
WE
CE0
CLE
CLE
ALE
RE
BUSY
WE
CE0
CLE
CLE
ALE
RE
WP
WP
BUSY
WE
WE
CE0
CLE
CLE
ALE
RE
BUSY
+3.3V
WE
CE0
CLE
CLE
ALE
26
SM_RB 1
SM_WEB 5
SM_CEB0 15
SM_CLE 4
SM_ALE
SM_ALE
VCC
2
LED
19
V_IN
V_O
1
2
V_O 3
STBY 6
RESETJ
38
1
2
5
1
2
1
42
43
X1003
12MHz
LED921
CN901
X1002
16.9344MHz
XSCI
XSCO
8 RE
RE
WP
BUSY
WP
BUSY
WE
CE0
CLE
ALE
ALE
I/O0
I/O7
SDRAM
IC907
BUS SWITCH
IC916
RESET
IC914
RESET
IC910
+3.3V REG.
IC905
Q903
D921
D922
+1.8V REG.
IC904
+3.3V REG.
IC903
BUS SWITCH
IC915
CODEC
IC911
D/A CONVERTER
IC908
SYSTEM CONTROL
IC801 (2/4)
LPF
IC906
USB I/F
IC902
A1
A8
B1
B8
DA_0
DA_7
2 – 9
18 – 11
1 – 8
19 WP
7 R/B
18 WE
9 CE
16 CLE
17 ALE
3 A2
4 A3
5 A4
6 A5
7 A6
8 A7
9 A8
VOUT VIN
+1.8V
+5V
+3.3V
+3.3V
(SDRAM)
27 SD_CKE
2 DATA
AUDIO_L
R-CH
2
1 BCK
3 LRCK
16 SCK
13 MD
18 SL_MA_DAT
20 SL_MA_CLK
19 MA_SL_DAT
30 MA_SL_REQ
SL_MA_DAT
SL_MA_CLK
MA_SL_DAT
MA_SL_REQ
16 MA_SL_RST
14 MC
15 ML
11 ZEROR
127 D(7)
128 D(6)
24 SD_CSN
18 SD_DQM
26 SD_CLK
56
55
1
V_O
V_IN
2
V_O
3
1
+5V REG.
IC901
VOUT
SEG4
DISP+B
VIN
5
4
CONT 3
MAIN
SECTION
C
KEY
SECTION
D
DATA
• Signal Path
: MEMORY PLAY
• R-ch is omitted due to same as L-ch.
SD_A(5)
OSC_16M_OUT
OSC_16M_IN
(Page 19)
(Page 20)
19
19
MEX-1GP
MEX-1GP
3-3. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
7
5
3
2
4
1
SE2L
ELECTRONIC VOLUME
IC401
PJ601
(ANTENNA)
TU601
(TUNER UNIT)
POWER AMP
MULTI REGULATOR
IC100
Q301
SYSTEM CONTROL
IC801 (3/4)
RDS RECEIVER
IC600
RESET
IC802
S802
RESET
AUDIO SELECT
IC403
Q409
Q408
CNP901
8 SE2R
R-CH
BATT
FL
9 SE1L
10 SE1R
4
3
3
10
VCC8.3V
11
VDD5V
15
E2PVDD
13
TU_SCL
14
TU_SDA
6
S_METER
7
TU_MUTE
16
E2P_SCL
17
E2P_SDA
5
QUALITY
9
RDS_OUT
45 VSM
100 FMP_SW
AU+8V
R-CH
TU+5V
BU+3.3V
BU+3.3V
15 TU_ATT
25 EEP_CKO
24 EEP_SIO
24 EEP_SIO
44 QUALITY
8
MUTE-
CONDITION
AEP,UK,E MODEL
54 TU_ATTIN
77 RESET
L
R
CD-L
AUDIO_L
R-CH
R-CH
11 DIFEL
13 DIFFR
R-CH
R-CH
L
R
5
3
3
LF+
LF–
9
7
7
LR+
LR–
29
27
27
SW1
R-CH
SW2
35
VP
20
VP1
6
VP2
BATT
30
37
37
REG1
REG2
31
33
33
REG3
REG4
34
REG5
TU+5V
18
OUTRR
21
MUTE
2 SDA
AU+8V
U-COM+5V
SERVO+3.3V
MECHA+6V
MECHA+6V
DISP+B
4 SCL
SDA
SCL
16 ACGND
22 STB
25 DIAG
25 DIAG
AU+8V
15
13
7
10
12
11
16
1
9
2
4
3
5
6
22
23
23
SCL
SDA
SCL
SDA
25
SAIN
26
SAOUT
SCL
SDA
40
SA_DATA
33
IIC_CKO
34
IIC_SIO
26
SA_CLK
6
VOL_ATT
5
BEEP
32
AUX
31
STB
56
DIAG
53
BU_IN
FP_ATT
DOOR_DET
SYS_RST
BUS_ON
UNI_CLK
UNI_SO
UNI_SI
BU_IN
A_ATT
LINK_OFF
67
TEST_IN
ATT
12 FL
RL
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-R
ANT-R
ACC
TEST
11
19
OUTLR
MUTE
Q405
MUTE
Q407
MUTE CONTROL
Q400,401
58
UNI_SI
59
UNI_SO
60
UNI_SCK
61
BUSON
62
SYS_RST
10 B/U-C
8 DATA OUT
9 DATA IN
11 CLK-IN
12 BUSON
13 RST
3
5
4
7
6
2
1
3
BATT
6
DATA I/O
4
CLK
1
BUSON
2
RST
64
ACC_IN
ACC DETECT
Q900
+5V REG
Q601
BU+3.3V
BATT
U-COM+5V
BATT
+3.3V REG
IC803
BATTERY CHECK
Q902
LINK ON/OFF
CONTROL
Q913,905
BUS INTERFACE CONTROL
IC900
MUTE
Q404
ATT
63
TEL_ATT
TEL-ATT DETECT
Q901
14
ILL
7
ILL
ILL DETECT
Q912
SCL
SDA
D400
F901
R-CH
R-CH
16
28
28
RL
RR
20
OUTLF
17
OUTRF
R-CH
L
R
REAR
PJ401
FRONT
AUDIO
OUT
R-CH
L
R
BUS
AUDIO IN
BUS
CONTROL IN
D818
D804
D805
D857
D858
D702
D403
D402
D701
D912
D915
CD
SECTION
A
MEMORY
SECTION
C
KEY
SECTION
E
CD
SECTION
B
TH400
CNJ900
8
BATT
13
QUALITY
SWITCH
Q602
RDS B+ SWITCH
Q603,604
BU+3.3V
VDD
13 NSMASK
55 DAVN
16 MPX
15
INTN
11
SCL
12
SDA
1
OUT
U COM+3.3V
2 IN
SCL
SDA
9
10
X600
8.66MHz
XT1
XT0
99
1
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: TUNER (FM/AM)
: MEMORY PLAY
: BUS AUDIO
(Page 18)
(Page 17)
(Page 17)
(Page 20)
20
20
MEX-1GP
MEX-1GP
3-4. BLOCK DIAGRAM — KEY SECTION —
KEY
ACKNOWLEDGE
SWITCH
Q800
82
83
38
28
29
27
39
47
75
74
41
DISPLAY
CONTROL
IC913
FLASH
WRITER
CN601
KEY_IN0
CLK
CE
LCD_SO
68
FLASH_W
LCD_SCK
LCD_CE
DIMMER
KEY_IN1
KEY_ACK
XKEY_ON
RC_IN1
RC_IN0
NOSE_SW
2 IN
X0
X1
X800
18.432MHz
S901
77
78
76
79
COM1
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
LED916,917
LCD
BACK LIGHT
D510
CNP900
(REMOTE IN)
7
|
60
65
|
68
|
SEG9
SEG62
|
CL
DI
CE
LED915,922
SOURCE
LED919,920
(DISC IN/
Z
)
(
)
KEY MATRIX
LSW901-908
LSW901-908
S902-912,915
LSW901-908
LED901-914
(KEY ILLUMINATE)
21
22
SYSTEM CONTROL
IC801 (4/4)
RE_0
RE_1
79
80
X1A
DISP+B
X0A
X801
32.768KHz
LED
DRIVER
Q904
LED
DRIVER
Q905,906
ROTARY
ENCODER
69
S801
(FRONT PANEL DETECT)
CN501
CN902
REMOTE CONTROL
SIGNAL RECIVER
IC912
DOOR INDICATOR
B+ SWITCH
Q800,801
DIMMER
1
SEG3
4
2
SEG6
SEG4
73
DOOR_IND
65
SIRCS
IR
Z
RE901
VOL/
PUSH SELECT
DOOR_DET
SEG4
MAIN
SECTION
E
MEMORY
SECTION
D
16
16
+
1
5
2
(Page 19)
(Page 18)
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