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Model
HCD-GTX66 HCD-GTX77 HCD-GTX77BP MHC-GTX66 MHC-GTX77 MHC-GTX77BP
Pages
100
Size
6.28 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gtx66-hcd-gtx77-hcd-gtx77bp-mhc-gtx66-mhc-gtx7.pdf
Date
PREV: Sony MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP / SS-GTX66 / SS-GTX77 Service Manual

Sony HCD-GTX66 / HCD-GTX77 / HCD-GTX77BP / MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP Service Manual ▷ View online

33
33
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-3. BLOCK DIAGRAM — MAIN SECTION —
(Page 31)
(Page 35)
(Page 32)
(Page 35)
(Page 32)
(Page 36)
(Page 32)
J101
RCH
L
CD LCH
CD RCH
R
AUDIO
IN
CD RCH
11
10
9
3
RCH
MIXER
IC1500
MULTIPLEXER
IC1503
DIGITAL DELAY
IC1501
SIGNAL SELECTER
IC564
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
SIGNAL SELECTER
IC563
MIC AMP
IC1100
(1/2)
MIC AMP
IC1100
(2/2)
RV1150
MIC
LEVEL
LPF1IN
A
B
C
COM
CD
A-MUTE
SOURCE
SEL 2
SOURCE
SEL 1
CTRL
1
CTRL
3
DATA CLK
Z
GROOVE
FREQ
EFFECTOR
SYSTEM CONTROL
IC401 (3/6)
S0
S1
S2
SEL
9
LPF2OUT
19
SAOUT
A+9V
L+R
SPEANA
J1100 (2/2)
10
LPF2IN
11
OP2OUT
12
OP2IN
LPF1OUT
CLOCK
14
3
2
25 26 27
7
18
65
28
78
77
81
82
75
LINE
MUTE
66
RCH
L
R
VIDEO
IN
MIXER
IC1505
BUFFER
Q1513
MUTE
Q250
CD MUTE
Q540
DBFB
SWITCH
Q101
SELECT
SWITCH
Q596
SELECT
SWITCH
Q597
BUFFER
Q1509
EFFECTOR
SELECT
SWITCH
Q598
X
RF/SERVO
SECTION
A
ST L
TC PB L
X
TAPE/TUNER
SECTION
TAPE/TUNER
SECTION
E
X
DISPLAY/POWER
SECTION
G
X
AMP/SUBWOOFER
SECTION
I
REC OUT L
X
TAPE/TUNER
SECTION
D
X
AMP/SUBWOOFER
SECTION
F
X
C
4 IMB1
DBFB F/B
SWITCH
Q608
SWITCH
Q591
3 INA1
6 IND1
2 MIC
8
RECB1
F–L
18
OUT1
16
BB A1
17
BB B1
11
TCA1
21
DATA
22
CLOCK
12
TCB1
MUTE
Q180
D+4V REG
Q325
LINE MUTE
Q544
1
5
3
10
Y0
Y1
Y
A
D101,102
J103
D-LIGHT
SYNC OUT
3
2
9
10
Y1
Y2
Y3
A
B
Y
5
4
J1100
(1/2)
MIC
Q1500
Q1508
Q1506
Q1502
RCH
M61529
7
13
5
3
: AUDIO
: CD PLAY
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: MIC
: TUNER
• Signal Path
• R-CH is omitted due to same as L-CH.
34
34
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-4. BLOCK DIAGRAM — USB SECTION —
(Page 31)
77
78
3
4
5
VBUS+5V
USB CONTROL
IC901
VBUS
POWER ON/OFF
SWITCH
IC915
SYSTEM CONTROL
IC401 (4/6)
S-RAM
IC921
CN952
1
4
(USB)
VBUS
D–
D+
GND
OUT
P75/USBOC
P76/USBPON
D–
OE
A0
I
A2
A3
I
A6
A7
I
A10
A11
I
A15
WE
LB
UB
CE
D+
IN
FLG
EN 1
80
79
PF1/RXDO
DATA
85
PF2/SCLK0/CTSO/CLK/TB0OUT0
CLK
86
PN5/HSS1/SCL1
GATE
94
PN4/HSS0/SDA1
A IN
93
PN3/HSCLK
BCK IN
92
P83/CS3/WAIT/TA5OUT
LRCKIN
71
P64/A20
P63/A19
P62/A18
P61/A17
USBRST
USB SERIAL TXDO
USB SERIAL RXDO
USB SERIAL RTSO
USB SERIAL CTSO
BUS3
58
BUS2
57
BUS1
56
BUS0
55
P66/A22
CCE
60
P65/A21
BUCK
59
PG3
REQ
96
PG2
ST REQ
97
P70/RD
P71/SRWR
18
I
25
•
28
I
35
64
41
17
65
P72/SRLLB
P73/SRLUB
66
39
40
67
P82/CS2 70
16
RESET
PC0/INT0
1
31
38
2
PF0/TXD0
PF4/RXD1/SPDI
84
34
35
88
PF3/TXD1/SPD0 87
X1 75
X2 73
36
P00/D0
I
P07/D7
P10/D8
I
P17/D15
37
I
43
•
46
I
54
44
I
42
•
27
I
24
•
21
I
18
•
5
I
1
I/O0
I
I/O3
I/O4
I
I/O7
I/O8
I
I/O11
I/O12
I
I/O15
7
I
10
•
13
I
16
•
29
I
32
•
35
I
38
P41/A1
I
P47/A7
P50/A8
I
P60/A16
RF/SERVO
SECTION
B
X901
9kHz
• Signal Path
: USB
: DIGITAL
35
35
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-5. BLOCK DIAGRAM — AMP SECTION —
(Page 33)
(Page 36)
(Page 36)
(Page 33)
MUTING
Q604, 606, 610
F-R
DBFB F/B
F-L
67
STK MUTE
12
OVER LOAD
DETECT
Q668, 618
+
+
+
MUTE
Q640, 641
MUTE
CONTROL
Q634,682,684
88
FAN HI SPEED
100
HP DET
RELAY DRIVE
Q644, 647
+
-
-
+
FRONT SPEAKER
L
R
PHONES
J1101
RY646
FAN MOTOR
DRIVE
Q579, 585
DC FAN
M891
M
FAN CONTROL
SWITCH
Q584
FAN DETECT
Q580–582
TH629
THERMAL
DETECT
Q628, 630
94
THERMAL VACS
TM600
D624
D550
18
11
10
9
14
8
• SIGNAL PATH
POWER AMP
IC601
69
PROTECTOR
70
FRONT RELAY
68
HP MUTE
F
MAIN
SECTION
MAIN
SECTION
I
DISPLAY
/POWER
SECTION
K
DISPLAY/
POWER
SECTION
J
TH630
OCP
CT
OUT
VL(AC)
1
VP
2
4
3
SYSTEM CONTROL
IC401 (5/6)
OVER CURRENT
PROTECTOR
IC550
UNDER VOLTAGE
DETECT SWITCH
Q506
OVERLOAD
DETECT
SWITCH
Q648
FAN CONTROL
HI SPEED
SWITCH
Q581
61
UNDER VOLTAGE DET
• R-CH is omitted due to same as L-CH.
: AUDIO
36
36
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-6. BLOCK DIAGRAM — DISPLAY/POWER SECTION —
USB +5V
ND900
VACUUM
FLUORESCENT
DISPLAY
9, 10, 12 – 22,
24 – 41,  43 – 47
1 – 6, 87-100
P1 – 36
G2 – 21
64 – 66
7, 8, 86
BF4
1
SPECTRUM
ANALYZER
IC902
67
68
16
2
15
69
71
48
80
ALL BAND
BF3
BF1
IN2
IN1
VKK
LED SELECTOR
G1,22,23
G1,22,23
G2-21
13
17
73 VOLUME
MASTER
VOLUME
SPEANA
P1 – 36
VF1
VF2
D900
–VG
(–32V)
FUN CONTROL
X900
4MHz
83 XI
82 XO
52– 59,
75,76,78,79
LED DRIVE
Q906–911, 913–916
920,921
D906, 908, 910, 913, 917, 
921, 929, 923, 925, 927
D905, 907, 909, 912, 914, 
916, 922, 924, 926.955
LED+9V
Q903
Q902
Q901
Q900
D904
(R)
D930
(G)
KEY2
 | 
KEY0
S901 – 915,
917 –933
60
I2C DATA
61
I2C CLK
77
RESET
30 IIC-DATA
29 IIC-CLK
IIC-DATA
IIC-CLK
37 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S934
S900
DISPLAY
33 STBY-LED/FAN CONTROL
4 SIRCS
RESET
X402
5MHz
15 X-IN
13 X-OUT
X401
32.768kHz
10 XC-IN
11 XC-OUT
SYSTEM CONTROL
IC401 (6/6)
50
STBY-RELAY
12
RESET
20
AC-CUT
D671
D402
D501,504
POWER
SWITCHING
LED DRIVE
Q904,905
RECT
D658
RECT
D656
+VL
VL(AC)
F1261
VL
VL
VH
VH
VP
VF
VF
GND
F1271
F1241
F1251
R1292
–VL
+VH
–VH
– 33V
REGULATOR
Q1264
POWER ON/OFF
RELAY DRIVE
Q1200
– VG
(-32V)
D1292
RECT
VF1
VF2
ND900
VACUUM
FRUORESCENT
DISPLAY
RY1200
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
REMOTE CONTROL
SIGNAL RECEIVER
IC901
EVER +4V
D+3.3V
DISPLAY CONTROL,
KEY CONTROL
IC900
BUFFER
Q917, 918, 919
70 BF2
14
72 OPERATION DIAL
ROTARY
ENCODER
ROTARY
ENCODER
OPERATION
DIAL
NO402
(FOR CHECK)
CN402
(3/3)
(FOR CHECK)
40
USB-POWER
63
OVER VOLTAGE DET
32
CD POWER
USB POWER
CONTROL
SWITCH
Q590,603
RECT
D540
M +9V
VM +7V
LED +9V
A +9V
ST +9V
OVER VOLTAGE
DETECT SWITCH
Q550
AC3
AC3
F1281
AUDIO +9V
BIAS +9V
UNREG
S1200
S1200
230 – 240V
|
220V
|
120V
VOLTAGE
SELECTOR
AR, MX MODEL
E2,E51 MODEL
S936
S935
X
MAIN
SECTION
G
X
AMP/SUBWOOFER
SECTION
K
X
AMP/SUBWOOFER
SECTION
J
LEVEL
DETECT
IC402
USB+5V REG
IC565
+9V REG
IC560
+9V REG
IC561
DVDD+3.3V
REG
IC562
D592
D561,
562
D590,594
E2,E51
MODEL
D593
DVSS +3.3V
D +3.3V
AVDD +3.3V
DVDD +3.3V
USB POWER
CONTROL
SWITCH
Q604–606
CD POWER
CONTROL
SWITCH
Q560,561
USB+9V REG
IC570
D+4V REG
IC569
• Abbreviation
  AR  : Argentina model
  E2   : 120V AC area in E model
  E51 : Chilean and Peruvian model
  MX : Mexican model
(Page 33)
(Page 35)
(Page 35)
Ver. 1.1
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