DOWNLOAD Sony HCD-GN1200D / MHC-GN1200D Service Manual ↓ Size: 7.31 MB | Pages: 108 in PDF or view online for FREE

Model
HCD-GN1200D MHC-GN1200D
Pages
108
Size
7.31 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gn1200d-mhc-gn1200d.pdf
Date

Sony HCD-GN1200D / MHC-GN1200D Service Manual ▷ View online

HCD-GN1200D
HCD-GN1200D
29
29
7-3.  BLOCK  DIAGRAM  – TAPE/TUNER Section –
ST-L
E
MAIN
SECTION
REC-OUT-L
D
MAIN
SECTION
TAPE
MECHANISM
BLOCK
32
A TRIG
DRIVE
R-CH
TU901
FM/AM TUNER UNIT
CN509
ANTENNA
ST-L
FM ANT
AM ANT
AM ANT
ST-R
TUNED
ST-DIN/MC-DOUT
ST-DOUT
ST-CLK
ST-CE
FM 75 
COAXIAL
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
B PULSE
A PULSE
REC(FWD)
REC(REV)
CAPM-CONT
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
B-SHUT
A-SHUT
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE
AM
EQ OUT1
A
B
TUNED
ST-DOUT
MC-DIN (ST)
ST-CLK
ST-CE
34
28
27
26
24
21
52
55
56
54
71
90
89
91
47
53
48
B TRIG
DRIVE
49
CAP MOTOR
DRIVE
50
1
3
6
2
5
13
11
15
14
PB OUT1
TAI1
REC IN1
AIN1
BIN1
A/B
ALC ON/OFF
REC MUTE ON/OFF
MUTE ON/OFF
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q340, 343
Q342, 345
Q341,344
SYSTEM CONTROL
(DVD/TAPE MECHANISM CONTROL)
IC401(3/6)
REC-OUT1
EQ
TC-PB-L
TEST
CONNECTOR
CN510
R-CH
R-CH
R
L
C
MAIN
SECTION
MUTE
Q106
MUTE DRIVE
Q509, 510
PB
HEAD
DECK-A
DECK-B
BIAS OSC
Q370
BIAS
TRAP
SWITCH
DRIVE
Q377, 379
SWITCH
DRIVE
Q382, 383
R-CH
R-CH
Q325, Q375
Q321, 322
Q381
L – CH
R – CH
R-CH
BIAS+9V
REC/PB
HEAD
ERASE
HEAD
Q378,380
T301
L – CH
R – CH
• R-CH is omitted due to same as L-CH.
: TAPE PLAY (DECK B)
: TAPE PLAY (DECK A)
: TUNER
: RECORD (DECK B)
• Signal Path
(Page 30)
(Page 30)
(Page 30)
HCD-GN1200D
HCD-GN1200D
30
30
7-4.  BLOCK  DIAGRAM  – MAIN Section –
J201
J1102(2/2)
C
D
E
R-CH
VOLUME
CONTROL
CPU
INTERFACE
INPUT
SELECT
SWITCH
SURROUND OR
DPL BUFFER
MID/
BASS &
TREBLE
R-CH
R-CH
COMMAND
TOUT1
LINK-L
OUT1
VOLIN1
+
Q101
R-CH
R-CH
SPEANA
D +4V
L+R
(SPEANA)
A +9V
LIN
RIN
DBFB F/B
F-R
F-L
CENTER
SL
SR
SW OUT
+
+
+
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
SYSTEM CONTROL
IC401(4/6)
TC-L
VIDEO-L
ST-L
SAOUT
DATA
CLK
BB-A1
BB-B1
SWOUT
REC-OUT-L
R-CH
TC-PB-L
TAPE/TUNER
SECTION
TAPE/TUNER
SECTION
ST-L
VOL IC DATA
VOL IC CLK
LINE MUTE
AUDIO IC DATA
AUDIO IC CLK
R-CH
LINE-MUTE
L
R
VIDEO
INPUT
AUDIO
L
R
TV/SAT
AUDIO
IN
2
14
15
24
18
22
16
21
4
3
6
DVD1
SAT-L
5
19
17
8
MIC
RECB1
7
SUR-L
C
A
B
C
A
B
A+9V
81
82
DVD A MUTE
MIC DETECT
77
85
79
80
ANALOG IN MUTE
46
AUDIO-OUT-MUTE
83
76
AMP
SECTION
H
I
F
AMP
SECTION
RF
SECTION
TAPE/TUNER
SECTION
G
DISPLAY/POWER
SECTION
RF
SECTION
MUTE
Q514, 564
MUTE
Q117
MUTE DRIVE
Q516, 517
MUTE
Q206
4V REG.
Q323
MUTE DRIVE
Q521, 522
MUTE DRIVE
Q505,506
MUTE
Q200,202-204,
  250,252-254
MUTE DRIVE
Q507,508
R-CH
R-CH
J202
AUDIO OUT
L
R
J103
D-LIGHT
SYNC
OUT
R-CH
6
7
42
SPEANA IN 
AMP
IC304 (2/2)
SURROUND
VOL CONTROL
IC201
DM_L
DM_R
MB_FL
MB_FR
FC
MB_SL
MB_SR
SW (LFE)
DATA
CLOCK
R-CH
R-CH
R-CH
R-CH
LPF
I/F
41
40
37
39
38
RF
SECTION
A
34
2
32
13
12
6
5
10
9
15
24
14
+
11
4
31
25
30
29
8
7
23
28
27
26
22
3
17
18
MB_FL
MB_FR
FC
MB_SL
MB_SR
SW (LFE)
+
2
1
MUSIC L+R
AMP
IC304 (1/2)
3
1
5
7
MIC/MUSIC AMP
IC2000
3
1
6
7
COMPARATOR
IC2002
3
2
6
1
5
7
COMPARATOR
IC2001
D2004
-2008
SCORE
XVOICE
SELECTOR CCT
IC1506
DM-L
EFFECTOR SELECT
18
EFFECTOR-CTR1
EFFECTOR-CTR3
57
70
Y COM
3Y
0Y
3
4
1
X COM
3X
OX
B A
13
11
12
9 10
EFFECTOR S1
43
EFFECTOR S2
44
EFFECTOR S0
19
A
MIXER L/R
IC1505
7
13
5
3
MIXER
IC1500
1
3
DM-R
DIGITAL DELAY
IC1501
MULTIPLEXER
IC1503
9
12
11
10
2
3
Q1508
Q1506
Q1500
LPF2OUT
LPF1IN
LPF1OUT
LPF2IN
OP2OUT
OP2IN
CLOCK
A B
COM
C
Q1502
+
+
14
3
10 9
11
BUFFER
Q1509
BUFFER
Q1513
RV1501
DIGITAL ECHO
IC1101
J1150(1/3)
J1150(2/3)
MIC 1
ECHO
LEVEL
RV1150
MIC 2
LEVEL
RV1100
MIC 1
LEVEL
MIC OUT
MIC AMP
IC1100
J1100(1/3)
J1100(2/3)
J1150(3/3)
J1100(3/3)
MIC 2
3
5
1
7
MIC AMP
IC1102
3
5
1
7
MIC IN
MIC VOL IN
MIC OUT
SCL/ECHO VOL
5
8
28
16
B
: AUDIO
: DVD PLAY
: TAPE PLAY
: REC (DECK B)
: MIC
: TUNER
• Signal Path
• R-CH is omitted due to same as L-CH.
(Page 27)
(Page 29)
(Page 29)
(Page 27)
(Page 29)
(Page 27)
(Page 32)
(Page 31)
(Page 31)
HCD-GN1200D
HCD-GN1200D
31
31
7-5.  BLOCK  DIAGRAM  – AMP Section –
H
MAIN
SECTION
MAIN
SECTION
I
DISPLAY/POWER
SECTION
K
MUTING
Q604, 606, 610
F-R
DBFB F/B
F-L
SW OUT
60
67
STK-MUTE
PROTECTOR
STK MUTE
14
13
11
4
3
12
STK MUTE
FAN DET
FAN CONTROL
HI SPEED
OVER LOAD
DETECT
Q668, 618
+
+
+
+
MUTING
Q640, 641
MUTING
CONTROL
Q634,682
F-RELAY
HP-DET
HP-MUTE
HP-DETECT
72
HP-MUTE
58
FAN HI SPEED
66
84
FRONT-RELAY
42
FAN-CONTROL
OVER LOAD
 DETECT
Q730, 770. 780, 800, 850
RELAY DRIVE
Q644, 647
H/P DET
F-RELAY
HP-MUTE
+
-
-
+
FRONT SPEAKER
SUB WOOFER
OUT
L
R
PHONES
J1103
RY646
SYSTEM CONTROLLER
IC401 (5/6)
TM600
M
FAN MOTOR
DRIVE
Q579, 585
DC FAN
M891
M
FAN MOTOR
DRIVE
Q587 - 589
DC FAN
M892
VL(AC)
TH629
THERMAL
DETECT
Q628, 630
SW MUTE
Q812
MUTE
Q810
+
51
SW-SPK RELAY
RY862
TM101
RELAY DRIVE
Q814, 815
6
4
OVER
LOAD
DC DET
VP
OCP
CT
OUT
D624
D812
D550
2
1
Q648
18
11
10
9
14
8
-
HI SPEED
SWITCH
Q581, 582
7
5
POWER AMP
IC600
OVER CURRENT
PROTECTOR
IC550
POWER AMP
IC800
FAN CONTROL
SWITCH
Q578
SR
CENTER
SL
14
19
18
+
REAR
SPEAKER
CENTER
SPEAKER
+
+
+
65
CENTER-RELAY
61
SURR-RELAY
RY760
RY761
L
R
LINEMUTE
RELAY DRIVE
Q762
RELAY DRIVE
Q763
8
21
11
MUTE
Q750
MUTE
Q700
MUTE
Q740
-
-
-
TM701
TM700
10
9
22
D780
D765
POWER AMP
IC801
: AUDIO
• SIGNAL PATH
(Page 30)
(Page 30)
(Page 32)
HCD-GN1200D
HCD-GN1200D
32
32
7-6.  BLOCK  DIAGRAM  – DISPLAY/POWER Section –
NO.402
(FOR CHECK)
CN402
(3/3)
(FOR CHECK)
78
MTK-POWER
68
OVER VOLTAGE DET
REG. SWITCH
Q518, 503
REG. SWITCH
Q104
+5V REG.
Q103
RECT
D560
M +9V
SW +9V
+9V REG
LED +9V
A +9V
ST +9V
MB +9V
+9V REG
+9V REG
VOLTAGE
CHECK
Q504, 550
AU +5V
V +5V
AC3
AC4
AC4
AC3
F1281
AUDIO +9V
BIAS +9V
RECT
D561
+SW3.3V
+3.3V REG
+B SWITCH
Q513,520
AU+5V
+SW5V
(ZIVA)
+5V REG
F1291
UNREG
S1200
S1200
230 – 240V
|
220V
|
120V
VOLTAGE
SELECTOR
IC558
IC559
IC561
IC560
IC507
MAIN
SECTION
G
AMP
SECTION
K
ND900
FLUORESCENT
INDICATOR TUBE
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
74 VOLUME
ROTARY
ENCODER
S935
MASTER
VOLUME
SPEANA
P1 – 36
VF1
VF2
D900
-VG
(-32V)
X900
4MHz
83 XIN
82 XOUT
52– 59,
75,76,78,79
LED DRIVE
Q906-916, 921
D906, 908, 910, 913, 915, 917, 
919, 921, 929, 923, 925, 927
D905, 907, 909, 912, 914, 
916, 918, 922, 924, 926
LED+9V
Q903
Q902
Q901
Q900
D904
(R)
D930
(G)
KEY2
 | 
KEY0
S900 – 905, 907 - 914,
916 - 928, 934, 937
60
I2C DATA
61
I2C CLK
77
RESET
30 IIC-DATA
29 IIC-CLK
IIC-DATA
IIC-CLK
40 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S934
S900
DISPLAY
41 STBY-LED
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)
7
STBY-RELAY
12
RESET
20
AC-CUT
B+ SWITCH
Q523, 524
D672
D505
D501
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
RY1200
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
REMOTE CONTROL
RECEIVER
IC901
TO FLUORESCENT
INDICATOR TUBE
FL901
EVER +4V
M+9V
D3.3V
DISPLAY CONTROL,
KEY CONTROL
IC900
BUFFER
Q917, 918, 919
70 BF2
14
R480
72 OPERATION DIAL
ROTARY
ENCODER
S936
OPERATION
DIAL
1
2
LEVEL
DETECT
IC501
(Page 30)
(Page 31)
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