DOWNLOAD Sony MHC-GNX800 Service Manual ↓ Size: 7.06 MB | Pages: 104 in PDF or view online for FREE

Model
MHC-GNX800
Pages
104
Size
7.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / BRAZIL
File
mhc-gnx800.pdf
Date
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Sony MHC-GNX800 Service Manual ▷ View online

HCD-GNX800
29
29
HCD-GNX800
7-2. 
DIAGRAMAS EM BLOCO    – SEÇÃO
 TAPE/TUNER  –
E
MAIN
SECTION
(Page 29)
D
MAIN
SECTION
(Page 29)
C
MAIN
SECTION
(Page 29)
ST-L
REC-OUT-L
TAPE
MECHANISM
DECK
32
A TRIG
DRIVE
Q340, 343
: PLAYBACK (DECK B)
: PLAYBACK (DECK A)
R-CH
FM/AM TUNER UNIT
CN509
ANTENNA
ST-L
FM ANT
AM ANT
AM ANT
ST-R
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
FM 75 
COAXIAL
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
B SHUT
A SHUT
REC(FWD)
CAPM-CONT
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
BSHUT
ASHUT
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE/IO-EXP DATA OUT
AM
EQ OUT1
A
B
TUNED
MC DOUT(ST)
MC DIN(ST)
ST-CLK
ST-CE
34
28
27
26
24
21
56
59
58
67
65
90
89
94
48
95
83
57
53
55
54
88
86
84
87
85
13
11
15
14
PB OUT1
TAI1
REC IN1
AIN1
BIN1
A/B
ALC ON/OFF
REC MUTE ON/OFF
MUTE ON/OFF
IC301
DECK A/B SELECT,
PB/REC EQUALIZER AMP
IC401(2/5) 
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
REC-OUT1
EQ
TC-PB-L
TEST
CONNECTOR
CN510
R-CH
R-CH
R
L
MUTE
Q280
MUTE DRIVE
Q542, 543
PB
HEAD
DECK-A
DECK-B
BIAS OSC
Q370
BIAS
TRAP
SWITCH
DRIVE
Q377, 379
SWITCH
DRIVE
Q382, 383
R-CH
R-CH
Q376
Q373, 374
Q381
L – CH
R – CH
R-CH
C380, L371
BIAS+9V
REC/PB
HEAD
ERASE
HEAD
Q378,380
T301
L – CH
R – CH
: TUNER (FM/AM)
: RECORD
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
CN102
SW VOL
SYSTEM
CONTROL
SW LED
SW VOL
LED-SW-ON
3
4
B TRIG
DRIVE
Q342, 345
CAP MOTOR
DRIVE
Q341, 344
HCD-GNX800
30
30
HCD-GNX800
7-3. 
DIAGRAMAS EM BLOCO    – SEÇÃO PRINCIPAL
 –
D
(Page 28)
AMP
SECTION
(Page 30)
AMP
SECTION
(Page 30)
DISPLAY/POWER
SECTION
TAPE/TUNER
SECTION
(Page 31)
H
G
F
(Page 27)
A
CD SECTION
C
(Page 28)
(Page 28)
E
TAPE/TUNER SECTION
TAPE/TUNER SECTION
J101
R-CH
VOLUME
CONTROL
CPU
INTERFACE
INPUT
SELECT
SWITCH
SURROUND OR
DPL BUFFER
MID/
BASS &
TREBLE
R-CH
R-CH
COMMAND
TOUT1
OUT1
VOLIN1
+
Q101
R-CH
R-CH
SPEANA
DBFB F/B
F-R
F-L
SW OUT
+
+
+
RV1100
IC1101
MIC AMP
IC101
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC401(3/5)
SYSTEM CONTROL
IC201
SURROUND
VOL CONTROL
IC1506
SELECTOR CCT
INA1
INEX1
INC1
SAOUT
DATA
CLK
BB-A1
BB-B1
SWOUT
REC-OUT-L
R-CH
TC-PB-L
ST-L
CD-L
VREF
OUTPUT
R
OUTPUT L
DATA
CLOCK
EFFECTOR SELECT
M16530-CLK
LINE MUTE
M61529-DATA
M61529-CLK
NC
NC
NC
NC
NC
VREF
NC
NC
NC
NC
NC
NC
R-CH
LINE-MUE
J1100(1/3)
J1101(2/3)
L
R
MD/VIDEO
AUDIO
IN
L
R
TV
AUDIO
IN
LPF
I/F
2
14
15
24
18
22
16
21
5
3
6
INB1
IND1
4
19
41
40
37
39
38
MIC 1
ECHO
LEVEL
RV1102
MIC 1
LEVEL
RV1101
MIC 2
LEVEL
17
8
MIC
RECB1
7
MIC OUT
C
A
B
C
A
B
A+9V
34
2
33
32
IC1100
DIGTAL
ECHO
MC1P
MC2P
13
12
6
5
10
9
15
24
14
34
80
81
82
66
+
11
31
25
35
29
7
23
28
27
26
22
3
MUTE
Q180, 181
LINE MUTE
DRIVE
Q544, 545
VREF
VREF
EFFECTOR CTRL 1
52
17
18
J1101(1/3)
J1100(2/3)
J1101(3/3)
J1100(3/3)
MIC 2
15
16
+
+
+
PRE
LPF
POST
LPF
ADPCM
ENCODE
ADPCM
DECODE
ADC
DAC
S/H
DELAY
25
29
23
5
6
7
DA OUT
POOUT
AD IN
ALC
ALC
MIC VOL
ECHO
VOL
MIC
VOL
VOLUME
CONTROL
VOL1
VOL2
VOL3
4
8
30
Y COM
3Y
0Y
3
4
1
X COM
3X
OX
B A
13
11
12
9 10
EFFECTOR S1
49
EFFECTOR S2
50
EFFECTOR S0
36
A
IC1505
MIXER L/R
7
13
5
3
IC1500
MIXER
1
3
CD-R
IC1501
EFFECTOR R CCT
IC1503
MULTIPLEXER
9
12
11
10
5
3
Q1508
Q1506
Q1502
LPF2OUT
LPF1IN
LPF1OUT
LPF2IN
OP2OUT
OP2IN
CLOCK
A
B
COM
C
+
+
14
3
10 9
11
2
7
BUFFER
Q1509, 1510
: TUNER (FM/AM)
: CD
: TAPE PLAY
: RECORD
: MIC INPUT
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
HCD-GNX800
31
31
HCD-GNX800
7-4. 
DIAGRAMAS EM BLOCO    – SEÇÃO
 AMP  –
H
MAIN
SECTION
(Page 29)
MAIN
SECTION
(Page 29)
G
DISPLAY/POWER
SECTION
(Page 31)
J
DISPLAY/POWER
SECTION
(Page 31)
I
MUTING
Q604, 606, 610
F-R
DBFB F/B
F-L
SW OUT
LINE-MUTE
78
70
STK-MUTE
PROT
STK-MUTE
14
13
11
4
3
12
STK MUTE
FAN DET
FAN-CTL
FAN-ON
FAN-K
HI SPEED
OVER LOAD
DETECT
Q668, 618
+
+
+
+
MUTING
Q640, 641
MUTING
CONTROL
Q634,682
F-RELAY
HP-DET
HP-MUTE
FAN-K
100
HD DETT
75
HP-MUTE
77
LINE/SURR-RLY
61
UNDER VOLTAGE DET
60
FAN HI SPEED
76
FR-RELAY
36
FAN KICK-OFF
OVER LOAD
 DETECT
Q800, 850
RELAY DRIVE
Q644, 647
H/P DET
F-RELAY
HP-MUTE
+
-
-
+
FRONT SPEAKER
SUB WOOFER
OUT
L
R
PHONES
J1103
RY646
RY665
SYSTEM CONTROLLER
IC401 (4/5)
TM600
+
-
-
+
SURR SPEAKER 
L
R
TM601
M
FAN MOTOR
DRIVE
Q580,582,585
DC FAN
M891
VL(AC)
TH629
THERMAL
DETECT
Q628, 630
SW MUTE
Q812
MUTE
Q810
Q583, 584
+
68
SW RY/IO-EXP CLK
RY862
TM101
RELAY DRIVE
Q814, 815
6
4
OVER
LOAD
DC DET
VP
OCP
CT
OUT
D624
D812
D550
2
1
PROTECT
SWITCH
Q666
Q648
18
11
10
9
14
8
-
HI SPEED
SWITCH
Q581
Q506
7
5
• SIGNAL PATH
IC600
POWER AMP
IC550
OVER CURRENT
PROTECTOR
IC800
POWER AMP
: FM
HCD-GNX800
32
32
HCD-GNX800
7-5. 
DIAGRAMAS EM BLOCO    – SEÇÃO 
DISPLAY/ POWER –
X
MAIN
SECTION
(Page 29)
F
X
AMP
SECTION
(Page 30)
I
X
AMP
SECTION
(Page 30)
J
CD
SECTION
(Page 27)
B
IC561
+9V
REGULATOR
IC560
+9V
REGULATOR
IC562
+3.3V
REGULATOR
IC402
LEVEL
DETECT
FL901
FLUORESCENT
INDICATOR TUBE
9,10, 12 – 22,
24 – 41, 43 – 47
8 – 1, 100 – 96,
92-85
P1 – 36
G1 – 13
G17-24 
64 – 66
93–95
BPF4
1
IC904
BPF, RECT
67
68
16
2
15
69
71
48
80
ALL BAND
BPF3
BPF1
IN2
IN1
VKK
SELECTOR
G14-16
G14-16
G1-13,G17-24
13
17
74 VOLUME
ROTARY
ENCODER
S970
MASTER
VOLUME
SPEANA
FAN CTL
P1 – 36
VF1
VF2
D905
-VG
(-32V)
X901
4MHz
83 XIN
82 XOUT
52– 59,
72,78,79
LED DRIVE
Q908-913,915,
918,919,921
D909, 915, 916, 920, 922,
924, 926, 929, 930,
1017, 1145, 1153
D908, 910, 911, 913, 914,
917, 919, 921, 923, 925,
1020
LED+9V
Q905
Q907
Q904
Q906
D927
(R)
D928
(G)
KEY2
 | 
KEY0
S901 – 906, 
1166 - 1170
60
I2C DATA
61
I2C CLK
77
RESET
30 IIC-DATA
29 IIC-CLK
IIC-DATA
IIC-CLK
71 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S925
S900
DISPLAY
72 STBY-LED/FAN CTL
4 SIRCS
RESET
X402
16MHz
15 X-IN
13 X-OUT
X401
32.768kHz
10 XC-IN
11 XC-OUT
32
CD-POWER
63
OVER VOLTAGE
IC401 (5/5)
SYSTEM CONTROL
69
STBY-RY
12
RESET
20
AC-CUT
B+ SWITCH
Q560, 561
B+ SWITCH
Q504, 505
OVER VOLTAGE
DETECT
Q550
RECT
D560
M +9V
MT +7V
A +9V
TC +9V
D561 – 563
D660, 661
+3.3V
LED+9V
BIAS+3.3V
D505
POWER
SWITCHING
LED DRIVE
Q903,917
RECT
D658
RECT
D656
+VL
VL(AC)
F1261
VL
VL
VH
VH
VP
VF
VF
AC3
AC4
NC
NC
AC4
AC3
GND
F1271
F1241
F1251
F1281
R1292
–VL
+VH
–VH
– 33V
REGULATOR
Q1264
POWER ON/OFF
RELAY DRIVE
Q1200
– VG
(-32V)
D1292
RECT
VF1
VF2
RY1200
JW1234
JW1235
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
IC903
REMOTE CONTROL
RECEIVER
TO FLUORESCENT
INDICATOR TUBE
FL901
EVER +4V
M+9V
D3.3V
IC902
DISPLAY CONTROL,
KEY CONTROL
BUFFER
Q901,902,914
70 BPF2
14
72 OPERATION DIAL
ROTARY
ENCODER
S1161
OPERATION
DIAL
1
2
S1200
S1200
VOLTAGE
SELECTOR
220V
0
120V
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