Sony FST-GTK1I / FST-GTK2I / HCD-GTK1I / HCD-GTK2I / RDH-GTK1I Service Manual ▷ View online
25
HCD-GTK1i/GTK2i
• IC Block Diagrams
IC1100 BU81459KV-E2 (IPOD BOARD)
IC102 LV23401V-TLM-H (MAIN BOARD (1/3))
AM
UTE
DA
VDD
RESETX
SEL_
S
LA
V
E
SEL
_M
P
3
SE
L_
D
O
U
T
SEL
_VOL
SEL_
A
P
LA
Y
SEL
_UTP
K
T
IR
P
TO
KE
Y_
R
O
W
1/
MCHN
G
KEY_
R
O
W
2/
BU
S
Y
KEY_
C
O
L1/
A
0
DVDDIO
TEST3
SD_CON
TMODE
DVSS
LED_PUSB/TEST12
LED_PSD/TEST11
LED_PLAY/TEST10
DA
VS
S
LACK
LED_ERROR/TEST9
XOUT_
P
LL
XI
N_
PL
L
TEST_
P
LL
REX
TI
AV
S
S
C
SD_CLK
SD_DI
SD_CS
DVSS
TEST4
TEST5/
CLKOUT12
DVDD_M2
TEST6
TEST7
AVDDC
TEST
2
SD_DO
TEST8
VO
REF
I
VD
DPL
L
BCK
TEST17
TEST16
TEST15
DATA
DVDDIO
ATEST1
RD
ACO
VCDA
C
O
Audio DAC
AAC / WMA /
MP3
Decoder
PLL
USB
PHY
System
Controller
FAT
File system
KE
Y_
R
O
W4
/S
DA
TEST13
DVDD_M1
TEST14
SD I/F
Controller
Sound Effecter
KEY_
RO
W
3/
S
C
L
KE
Y
_C
O
L2
/A
1
KEY_
C
O
L3/
SE
L_
S
M
AN
US
B
_DM
US
B
_DP
VS
S
_P
LL
LDACO
USB
Controller
LDO
I2C I/F
Controller
iPod
Controller
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
FM ANT
30
GND4
29
SD ADJ
27
L2
26
FLL
CAP
28
L1
24
GND3
23
VREF3(4.3V)
25
DO
21
DI
20
VREF2(3.3V)
22
CL
19
ST
ADJ
17
CLK IN
16
CE
18
AM REF
2
GND AM
4
VREF1(4.3V)
5
AM Vt
3
AM AGC
7
GND1
8
MPX OUT
6
R-OUT
10
VCC LOW
11
L-OUT
9
AM LCF
12
ST
OUT
14
VCC
15
SD OUT
13
AM ANT
1
OSC CAP
LOCAL
OSCILLATOR
TUNING
SYSTEM
GND
REF. OSC
FLL
DIVIDER
AGC DET
BPF
DEMODULATOR
STEREO
DECODER
LDO
STATE MACHINE
POWER
MANAGEMENT
DE-EMPHASIS
STEREO
BLEND
AUDIO AMP
IMAGE
DET
ANT CAP
ST OUT
SD OUT
LNA
LNA
26
HCD-GTK1i/GTK2i
IC201 R2A15909SP (MAIN BOARD (2/3))
IC800 STK403-090-E (MAIN BOARD (3/3))
IC504 NJM2903V (TE2) (MAIN BOARD (2/3))
INR1
INR2
INR3
INR4
INR5
DIFFR
DIFFG
DIFFL
INL5
INL4
INL3
INL2
INL1
AGND
REFIN
VCC
CEXT
DePop
I2C
I/F
I/F
SCL
SDA
DGND
IGOUTL
VOLINL
IGOUTR
VOLINR
TREL
BASSL1
BASSL2
BASSR2
BASSR1
TRER
LOUT
ROUT
Surround
Mode selector
Input
selector
selector
Volume
O to -55dB, -
9 to -55dB, -
O to +12dB
/2dB step
O to +12dB
/2dB step
Volume
mute
mute
Tone Control
Rch Bass/T
reble
Tone Control
Lch Bass/T
reble
Input
selector
selector
Input gate
control
REF
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
+
+
A OUTPUT
A- INPUT
A+ INPUT
GND
B+ INPUT
B- INPUT
B OUTPUT
V+
A
B
8
7
6
5
4
3
2
1
-PRE
-VCC
+VCC
LO+
LO-
RO+
RO-
RO-
+PRE
SUB
GND
LI+
LI-
LI-
ST-BY
RI-
RI+
Pre Driver
CH1
Pre Driver
CH2
Bias Circuit
SUB
1
2
3
4
5
6
7
8
5
6
7
8
9
10
11
12
11
12
13
14
15
Ver. 1.2
27
HCD-GTK1i/GTK2i
• IC Pin Function Descriptions
MAIN BOARD (1/3) IC100 R5F364AEDFA (CD-MP3 PROCESSOR)
MAIN BOARD (1/3) IC100 R5F364AEDFA (CD-MP3 PROCESSOR)
Pin No.
Pin Name
I/O
Desciption
1
USB_OC
I
USB device over current detect pin
2
IPOD_OC
I
iPod device over current detect pin
3
NO-USE
-
Unused port (Input port setting - short to GND)
4
SIRCS
I
Remote control signal input
5
NO-USE
-
Unused port (Input port setting - short to GND)
6
REG_OE
O
iPod & USB VBUS 5V Regulator Control, “L” : ON
7
NO-USE
-
Unused port (Output port setting - open)
8
BYTE
-
Ground terminal
9
CNVss
-
Ground terminal
10
NO-USE
-
Unused port (Output port setting - open)
11
NO-USE
-
Unused port (Output port setting - open)
12
RESET
I
System reset signal input from the reset circuit. “L”: reset
After the power supply rises, “L” is input for 20msec or more and then change to “H”.
After the power supply rises, “L” is input for 20msec or more and then change to “H”.
13
X-OUT
O
Main system clock output terminal (8MHz)
14
VSS
-
Ground terminal
15
X-IN
I
Main system clock input terminal (8MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal
18
BU81459KV_MCHNG
I
Music Change input signal from USB decoder IC
19
BU81459KV_IRPTO
I
Device (Have 2 confi guration or more, e.g. iPod) connection’s interruption input signal
20
AC-CUT
I
AC off detection signal input from the reset circuit. “L”: AC Cut detected
21
BU81459KV_RESET
O
Reset signal to USB decoder IC. “L” : reset.
22
BU81459KV_CLK
I/O
I2C Interface Clock output to USB decoder IC
23
BU81459KV_BUSY
I
Command Operation Busy Flag from USB decoder IC
24
BU81459KV_DATA
I/O
I2C Interface Data Input/Output with USB decoder IC
25
IPOD_ACCP
I
iPod accessory power detect
26
R2A15909SP_DATA
I/O
Serial data output to audio signal IC, R2A15909SP
27
R2A15909SP_CLK
O
Serial data transfer clock signal output to audio signal IC, R2A15909SP
28
NO-USE
-
Unused port (Input port setting - short to GND)
29
IIC-CLK
I/O
Clock signal for IIC communcation for Master Control controller
30
IIC-DATA
I/O
Data signal for IIC communcation for Master Control controller
31
FLASH_TXD
O
Transmit line for SC micom IC (IC100) fl ash writing
32
FLASH_RXD
I
Receive line for SC micom IC (IC100) fl ash writing
33
FLASH_CLK
I
Clock input for SC micom IC (IC100) fl ash writing
34
FLASH_RTS
I
Reset signal to SC micom IC (IC100) fl ash writing
35
NO-USE
-
Unused port (Input port setting - short to GND)
36
STK_MUTE
O
Power amplifi er on/off control signal output “H”: amplifi er on
37
SPK_RELAY
O
Relay drive signal output for the passive sub woofer “H”:relay on
38
NO-USE
-
Unused port (Input port setting - short to GND)
39
NO-USE
-
Unused port (Input port setting - short to GND)
40
NO-USE
-
Unused port (Input port setting - short to GND)
41
PROTECT
I
Speaker protect detection signal input from speaker protect circuit “L”:protector on
42
LINE MUTE
O
Line muting on/off control signal “L”:muting on
43
NO-USE
-
Unused port (Input port setting - short to GND)
44
NO-USE
-
Unused port (Input port setting - short to GND)
45
NO-USE
-
Unused port (Input port setting - short to GND)
46
NO-USE
-
Unused port (Input port setting - short to GND)
47
IPOD_TXD
O
Serial data output to the iPod
48
IPOD_RXD
I
Serial data receive from the iPod
49
NO-USE
-
Unused port (Output port setting - open)
50
NO-USE
-
Unused port (Output port setting - open)
51
NO-USE
-
Unused port (Input port setting - short to GND)
52
NO-USE
-
Unused port (Input port setting - short to GND)
53
NO-USE
-
Unused port (Input port setting - short to GND)
28
HCD-GTK1i/GTK2i
Pin No.
Pin Name
I/O
Desciption
54
NO-USE
-
Unused port (Input port setting - short to GND)
55
NO-USE
-
Unused port (Input port setting - short to GND)
56
NO-USE
-
Unused port (Input port setting - short to GND)
57
NO-USE
-
Unused port (Input port setting - short to GND)
58
NO-USE
-
Unused port (Input port setting - short to GND)
59
NO-USE
-
Unused port (Input port setting - short to GND)
60
NO-USE
-
Unused port (Input port setting - short to GND)
61
NO-USE
-
Unused port (Input port setting - short to GND)
62
VCC
-
POWER SUPPLY(+3.3V)
63
NO-USE
-
Unused port (Input port setting - short to GND)
64
VSS
-
Vss
65
NO-USE
-
Unused port (Input port setting - short to GND)
66
NO-USE
-
Unused port (Input port setting - short to GND)
67
MODEL-IN
I
Model setting terminal (A/D input)
68
DEST-IN
I
Destination setting terminal (A/D input)
69
MASTER VOL
I
Jog dial pulse input from the VOLUME encoder
70
NO-USE
-
Unused port (Input port setting - short to GND)
71
AD KEY1
I
Key input terminal for AD key line 1
72
AD KEY0
I
Key input terminal for AD key line 0
73
NO-USE
-
Unused port (Output port setting - open)
74
NO-USE
-
Unused port (Input port setting - short to GND)
75
IPOD-DET
I
iPod plug in detection. “L”: connected, “H” : disconnected
76
STBY-LED
O
LED drive signal output of POWER indicator
77
LCD-DATA
O
Data signal output for LCD driver IC
78
NO-USE
-
Unused port (Input port setting - short to GND)
79
LCD-CLK
O
Clock signal output for LCD driver IC
80
LCD-CD
O
Chip Enable control signal for LCD driver IC
81
LCD-INH
O
LCD display off control output to LCD driver IC (LC75834)
82
SPEAKER BLUE LED
O
Speaker lighting blue LED control pin
83
SPEAKER RED LED
O
Speaker lighting red LED control pin
84
ST-DOUT
I
PLL serial data input to the tuner IC
85
ST-DIN
O
PLL serial data output from the tuner IC
86
ST-CLK
O
PLL serial data transfer clock signal output to the tuner IC
87
ST-CE
O
PLL chip enable signal output to the tuner IC
88
ST TUNED
I
“TUNED” input signal from Tuner IC (LV23401V)
89
SPEAKER LIGHT-IN
I
Speaker light input signal
90
NO-USE
-
Unused port (Input port setting-short to GND)
91
NO-USE
-
Unused port (Input port setting - short to GND)
92
TEMP PROTECT
I
Temperature protect detection signal input from thermistor (A/D input)
93
NO-USE
-
Unused port (Input port setting - short to GND)
94
AC-CUT DETECT AD
I
AC supply off detect pin by AD input
95
VACS-IN
I
Audio signal level detection input for Variable Attenuation Control System. (A/D input)
96
AVSS
I
Analog Ground
97
NO-USE
-
Unused port (Input port setting - short to GND)
98
VREF
I
Analog Reference Voltage
99
AVCC
-
Analog Power Supply
100
NO-USE
-
Unused port (Input port setting - short to GND)
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