Sony HCD-GT220 / HCD-GT440 / HCD-GT660 / MHC-GT220 / MHC-GT440 / MHC-GT660 Service Manual ▷ View online
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
57
57
7-33. SCHEMATIC DIAGRAM - TRANSFORMER Board (GT440) -
BOARD
(4/4)
MAIN
N2
BOARD
CN442
AMP
P2
CN001
-36.1
-26.1
-26.7
0.1
0.8
T8AL 250V
F904
T8AL 250V
F909
T3.15AL 250V
F906
T3.15L 250V
F907
50V
10
C909
25V
1000
C911
22
R910
10k
R903
1k
R904
10EDB40-TB3
D902
10EDB40-TB3
D903
10EDB40-TB3
D904
10EDB40-TB3
D905
10EDB40-TB3
D908
3P
CN901
0.1
C907
JW917
JW912
JW901
JW905
0
R911
1
2
3
4
5
6
7
8
9
10
11
11P
CN907
AC-3F
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
-VFL
63V
220
C908
50V
100
C910
MAZ8300GMLS0
D906
RY901
2SB1238-PQR-TV2
Q902
4.7k
R915
2SC3052EF-T1-LEF
Q903
JW925
1
2
3
3P
CN903
AC
GND
AC
JL903
JL904
JL905
JL906
JL914
JL915
JL921
JL922
JL923
JL924
1
3
4
5
6
7
8
9
2
PT902
MC2838-T112-1
D910
S901
5
2
16
17
12
14
13
18
1
15
6
10
11
4
7
3
8
9
PT901
FH908
FH913
FH910
FH917
FH914
FH907
FH909
FH918
MA111-TX
D901
47k
R913
18k
R914
22k
R912
50V
C914
4.7
1
R908
VOLTAGE
SELECTOR
TRANSFORMER BOARD
POWER ON/OFF
RELAY DRIVE
RELAY DRIVE
-27V REGULATOR
W901
(CHASSIS)
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
A
10
1
2
B
11
C
7
8
F
9
6
4
3
G
D
5
E
12
∗NOT REPLACEABLE:
BUILT IN TRANSFORMER
∗
120V
220V
230-240V 5
U
JW909
1
2
LIVE
NC
(AC IN)
3
NEUTRAL
(Page 47)
(Page 41)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
58
58
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
1
EN
2
GND
3
FLG
4 IN
5 OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
REFIN 1
VCC 4
CLOCK
6
REF AMP
GND
7
ROUT
8
DATA 5
MCU
INTERFACE
LIN 2
RIN 3
LOUT
9
REFOUT
10
3BAND
PARAMETRIC
EQUALIZER
1 2
INPUT
SELECTOR
SURROUND
VOCAL CUT
TONE CONTROL
(BASS, TREBLE, MID)
TONE CONTROL
(BASS, TREBLE, MID)
MCU
INTERFACE
RECOUT
INC2
IND2
VOLIN2
INB2
INA2
MONO/STEREO
REF
TONE
ON/OFF
TONE
ON/OFF
BASSBOOST
ON/OFF
39
MIX2 37
VCC 38
40
3
REC2
5
BASS12
6
BASS22
7
TRE2
8
MID12
9
MID22
10
TO
N
EO
U
T2
4
SAOUT
+
+
29 28
INPUT
SELECTOR
RECOUT
INC1
IND1
INA1 31
MIX1 36
GND 32
REFIN 33
SUR2 35
SUR1 34
30
INB1
27
REC1
26
BASS1
25
BASS21
24
TRE1
23
MID1
1
22
MID21
21
TO
N
EO
U
T1
+
VOCALCUT
ON/OFF
VOCALCUT
ON/OFF
TONE ATT
TONE ATT
11
BB12
12
BB22
13
OUT2
14
CLOCK
15
DATA
16
VOLUME
VOLIN1
BASSBOOST
ON/OFF
20
BB11
19
BB21
18
OUT1
17
VOLUME
IC401 BA5826SFP-E2
– DRIVER Board –
IC701, 712 BA6956AN
– USB R Board –
IC915 R5523N001B-TR-F
– MAIN Board –
IC102 R2S15208SP
IC103 R2S15207FP
HCD-GT220/GT440/GT660
59
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
2 3
4 5
6 7
8
9 10
11 12
13
-VCC
+VCC
CH1_OUT+
CH1_OUT
-
CH2_OUT+
CH2_OUT
-
+PRE
SUB
GND
CH1-IN
CH1-NF
ST
-BY
1
-PRE
14 15
CH2-NF
CH2-IN
5
6
8 9
10 11
12
13 14
15 16
17
-PRE
-VH
CH1_OUT+
CH1_OUT
-
CH2_OUT+
CH2_OUT
-
+PRE
SUB
GND
CH1-IN
CH1-NF
ST
-BY
4
-OFF_SET
18 19
CH2-NF
CH2-IN
2 3
-VL
+OFF_SET
1
+VL
7
+VH
2
3 4
5
6 7
8 9
10 11
12 13
POSI
SW
-IN
SW
-NF
SUB
-PRE
+PRE
BIAS+
BIAS-
-VCC
+VSS
-RE
+RE
1
POSI
6
7
8
9
7
8
9
15 16 17 18 19 20
21 22 23 24 25 26
27
28
29
30
31
32
33
34
35
36
37
38
39
52
1
NC
RD4
RD5
RD6
RD7
RD5
RD6
RD7
DR12
DR13
DR14
DR15
DR16
DR17
DR18
DR19
DR20
DR21
DR22
DR23
DR35
DR34
DR33
DR32
DR31
DR30
DR29
DR28
DR27
DR26
DR25
DR24
DR34
DR33
DR32
DR31
DR30
DR29
DR28
DR27
DR26
DR25
DR24
NC
RST
TIMING/SEGMENT SELECTOR
HIGH VOLTAGE DRIVER
ADDRESS
COUNTER
DISPLAY
DATA RAM
SEGMENT
DATA LATCH
INSTRUCTION
DECODER
SERIAL
BUFFER
RESET
CIRCUIT
OSC
TIMING
COUNTER
DUTY
COUNTER
TIMING
DECODER
51
CS
50
NC
49
SI
48
SCK
47
NC
46
XT
45
XT
44
VSS
43
NC
42
VDD
41
NC
40
VFDP
14
NC
2
3
4
5
3
4
5
RD0
RD1
RD2
RD3
RD1
RD2
RD3
10
11
12
13
11
12
13
RD8
RD9
RD9
RD10
RD11
IC301, 302 TC74HC4066AFT (EL)
IC303 TC74VHC157FT (EKJ)
– AMP Board –
IC441 STK403-130-M-E (HCD-GT440)
IC441 STK415-120-E (HCD-GT660)
IC441 STK415-130-E (HCD-GT220)
IC441 STK415-130-E (HCD-GT220)
– SUB WOOFER Board –
IC501 STK404-130S (HCD-GT440)
IC501 STK404-140N-E (HCD-GT660)
IC501 STK404-140N-E (HCD-GT660)
– PANEL Board –
IC701 NJU3427FA2
Ver. 1.1
HCD-GT220/GT440/GT660
60
• IC Pin Function Description
CD BOARD IC101 TC94A70FG-008 (S, D) (CD-MP3 PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AVSS3
-
Ground terminal
2
RFZi
I
RF ripple zero crossing signal input terminal
3
RFRP
O
RF ripple signal output terminal
4
SBAD/RFDC
O
Sub beam addition signal or RF peak detection signal output terminal Not used
5
FEi
O
Focus error signal output terminal Not used
6
TEi
O
Tracking error signal output terminal
7
TEZi
I
Tracking error zero crossing signal input terminal
8
AVDD3
-
Power supply terminal (+3.3V)
9
FOo
O
Focus coil drive signal output terminal
10
TRo
O
Tracking coil drive signal output terminal
11
VREF
I
Reference voltage (+1.65V) input terminal
12
FMo
O
Sled motor drive signal output terminal
13
DMo
O
Spindle motor drive signal output terminal
14
VSSP3
-
Ground terminal
15
VCOi
I
VCO control voltage input terminal
16
VDDP3
-
Power supply terminal (+3.3V)
17
VDD1
-
Power supply terminal (+1.5V)
18
VSS
-
Ground terminal
19
FGiN
I
FG signal input terminal Not used
20
IO0 (/HSO)
I
Disc inner position detection signal input terminal
21
IO1 (/UHSO)
O
Not used
22
XVSS3
-
Ground terminal
23
XI
I
System clock input terminal (16.9344 MHz)
24
XO
O
System clock output terminal (16.9344 MHz)
25
XVDD3
-
Power supply terminal (+3.3V)
26
DVSS3
-
Ground terminal
27
RO
O
Analog audio (R-ch) signal output terminal
28
DVDD3
-
Power supply terminal (+3.3V)
29
DVR
O
Reference voltage (+1.65V) output terminal
30
LO
O
Analog audio (L-ch) signal output terminal
31
DVSS3
-
Ground terminal
32
VDDT3
-
Power supply terminal (+3.3V)
33
VSS1
-
Ground terminal
34
VDD1
-
Power supply terminal (+1.5V)
35
VDDM1
-
Power supply terminal (+1.5V)
36
SRAMSTB
I
S-RAM standby mode control signal input terminal Fixed at “L” in this set
37
XRST
I
Reset signal input from the system controller “L”: reset
38, 39
BUS0, BUS1
I/O
Serial data input/output with the system controller or USB controller
40
BUS2 (SO)
I/O
Serial data input/output with the system controller or USB controller
41
BUS3 (SI)
I/O
Serial data input/output with the system controller or USB controller
42
BUCK (CLK)
I
Serial data transfer clock signal input from the system controller or USB controller
43
XCCE
I
Chip enable signal input from the system controller or USB controller
44
TEST
I
Setting terminal for test mode Normally fi xed at “L”
45
IRQ
I
Interrupt request signal input terminal Not used
46
AoUT3 (PO4)
O
Request signal output to the USB controller
47
AoUT2 (PO5)
O
Audio data output to the USB controller
48
PIO0
O
Request signal output to the system controller or USB controller
49, 50
PIO1, PIO2
O
Not used
51
PIO3
I
Gate signal input from the USB controller
52
VSS1
-
Ground terminal
53
VDDT3
-
Power supply terminal (+3.3V)
54
SBSY
O
Subcode block sync signal output to the system controller
55
SBOK/FOK
O
Not used
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