Sony CDX-GT340 / CDX-GT34W Service Manual ▷ View online
CDX-GT34W/GT340
25
IC401 BD3447AFV-E2 (MAIN Board (2/3))
21
22
29
30
23
24
40
FIL
A-GND
SDA
SCL
OUT-FR
OUT-FL
OUT-RR
OUT-RL
SUB-R
SUB-L
SAOUT
SADA
MIN1
MIN2
EBIAS2
DS2-R
DS1-R
DS3-R
SACLK
39
38
37
VCC
36
27
28
25
26
31
32
33
34
35
20
19
12
11
18
17
1
BUS-R
BUS-L
TU-R
TU-L
CD-L
AUX-R
AUX-G
AUX-R
EP1
EN
EP2
FP1
FN2
EP2
EBIAS1
DS2-L
DS1-R
DS3-R
FN1
2
3
4
CD-R
5
14
13
16
15
10
9
8
7
6
I2C BUS
LOGIC,
VCO
FADER
FADER
FADER
HPF
LPF
GND
ISO AMP
GND
ISO AMP
180
°/0°
3 BAND P-EQ (TONE CONTROL)
7 BAND
SPECTRUM ANALYZER
/LEVEL METER
EFFECT
VOLUME/MUTE
INPUT GAIN
INPUT SELECTOR (3 SIGLE-END AND 3 STEREO IS O)
FADER
FADER
SPEANA
LVL METER
LVL METER
SPEANA
GND
ISO AMP
GND
ISO AMP
GND
ISO AMP
GND
ISO AMP
CDX-GT34W/GT340
26
• IC Pin Function Description
MAIN BOARD IC501 R5F3640DDA15FA (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
LCD SO
O
Liquid crystal display panel serial data signal output
2
LCD CKO
O
Liquid crystal display panel serial clock signal output
3
NOSE SW
I
Front Panel detach/attach detect signal input “L”: With panel
4
SIRCS
I
Remote control signal input
5
UNISO
O
SONY BUS serial data signal output
6
UNISI
I
SONY BUS serial data signal input
7
UNISCK
O
SONY BUS serial clock signal output
8
BYTE
I
Connect to ground.
9
CNVSS
I
Flash write signal input Normally operation: “L”, Flash write: “H”
10
XIN
I
Low speed operation clock signal input (32.768kHz)
11
XOUT
O
Low speed operation clock signal output (32.768kHz)
12
RESET
I
Reset signal input
13
OSCOUT
O
High speed operation clock signal output (11.06MHz)
14
VSS
—
Ground pin
15
OSCIN
I
High speed operation clock signal input (11.06MHz)
16
VCC1
—
Power supply pin (+3.3V)
17
NMI
I
External pull up pin (fi xed at “H”.)
18
EQ SEL
O
Not used. (fi xed at “L”.)
19
BUIN
I
Back up power supply detection signal input
20
CDM ON
I
CD mechanism deck power supply control request signal input
21
Z MUTE
I
Mute signal input
22 to 27
NCO
O
Not used. (Open)
28
BEEP
O
Beep signal output to power amplifi er
29
I2C SCK
O
I2C serial clock signal output
30
I2C SIO
I/O
I2C serial data signal input/output
31
FW TXD
O
Flash write interface serial data signal output
32
FW RXD
I
Flash write interface serial data signal input
33
FW CLK
I
Flash write interface serial clock signal input
34
FW BUSY
O
Flash write interface serial busy signal output
35 to 40
NCO
O
Not used. (Open)
41
EPM
O
EPM signal output (Connect to ground.)
42
RC IN1
I
Rotary commander shift key signal input Not used.
43
SYSRST
O
System reset signal output
44
BUSON
O
BUS ON signal output
45
NCO
O
Not used. (Open)
46
CE
O
CE signal output
47 to 51
NCO
O
Not used. (Open)
52
CD ON
I
CD mechanism servo power supply control request signal input
53
TESTIN
I
Test mode detection signal input Not used.
54
TELATT
I
Telephone attenuate detection signal input Not used.
55
ACC IN
I
Accessory power supply detection signal input
56
ATT
O
Audio mute control signal output
57
DIAG
I
Power amplifi er status signal input
58
AMPSTB
O
Standby signal output to power regulator IC
59
NCO
O
Not used. (Open)
60
NCO/BT AUDIO SEL
O
Not used. (Open)
61
NCO
O
Not used.
62
VCC2
—
Power supply pin (+3.3V)
63
COL SEL/NCO
O
Not used.
64
VSS
—
Ground pin
65
ILLUMI SEL
I
Illumination voltage setting signal input for panel
66
DEMO SEL
I
DEMO select signal input “H”: DEMO on
67
DIM SEL
I
Dimmer function setting signal input “L”: No dimmer
68
B OUT SEL
I
Black out setting signal input “L”: No block out
69
AREASEL 3
I
Destination setting pin 3
70
AREASEL 2
I
Destination setting pin 2
CDX-GT34W/GT340
27
Pin No.
Pin Name
I/O
Description
71
AREASEL 1
I
Destination setting pin 1
72
AREASEL 0
I
Destination setting pin 0
73 to 80
NCO
O
Not used. (Open)
81
RE IN1
I
Rotary encoder signal input 1
82
RE IN0
I
Rotary encoder signal input 0
83
NCO/SA IN
I
Serial data signal input to electronic volume spectrum analyzer
84
CYRIL SEL
I
Cyril correspondence discrimination signal input
“H”: Correspondence, “L”: No correspondence
“H”: Correspondence, “L”: No correspondence
85 to 88
NCO
O
Not used. (Open)
89
NCO/SADATD
O
Serial data signal output to electronic volume spectrum analyzer
90
NCO/SACLK
O
Serial clock signal output to electronic volume spectrum analyzer
91
KEYACK0
I
Key Acknowledge detection signal input (Rotary command signal input) Not used.
92
KEYACK1
I
Key Acknowledge detection signal input (Front panel signal input)
93
VSM
I
S meter voltage detection signal input
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
AVSS
—
Ground pin for A/D converter
97
RC IN0
I
Rotary commander key signal input Not used.
98
AVRH
—
A/D converter external reference power supply pin (+3.3V)
99
AVDD
—
A/D converter power supply pin (+3.3V)
100
LCD CE
O
Liquid crystal display panel chip enable signal output
28
CDX-GT34W/GT340
SECTION 5
EXPLODED VIEWS
1
X-2514-277-1 PANEL
ASSY,
SUB
2
3-042-244-11 SCREW
(T)
3
X-2179-399-1 LOCK
ASSY
(S)
4
2-050-124-01 SCREW +BTT 2.6X5
5
A-1731-287-A MAIN BOARD, COMPLETE
6
1-833-974-21 CONNECTION CORD FOR AUTOMOBILE
(POWER)
FU601
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-794-09 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
• Accessories are given in the last of the
electrical parts list.
5-1. MAIN SECTION
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
not supplied
not supplied
FU601
not supplied
front panel section
not supplied
not supplied
#1
#1
#1
#3
#4
#4
#4
#5
#5
#3
#2
#1
A
A
B
B
1
2
3
4
6
A
5
MG-101L-188//Q
not supplied
Click on the first or last page to see other CDX-GT340 / CDX-GT34W service manuals if exist.