Sony HCD-GN1200D / MHC-GN1200D Service Manual ▷ View online
HCD-GN1200D
25
DVD SECTION
3. Mode: Playback
set
MAIN
board
CN510
test tape
P-4-A100
(10 kHz, –10 dB)
pin
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45o
90o 135o 180o
good
wrong
pin
pin
L
R
4. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
forward
reverse
[TEST DISC LIST]
Use the following test disc on test mode.
• CD:
Use the following test disc on test mode.
• CD:
YEDS-18 (PART No. 3-702-101-01)
or
PATD-012 (PART No. 4-225-203-01)
• DVD (SL)
NTSC
NTSC
HLX-503 (PART No. J-6090-069-A)
or
HLX-504 (PART No. J-6090-088-A)
PAL
HLX-506 (PART No. J-6090-077-A)
• DVD (DL)
NTSC
NTSC
HLX-501 (PART No. J-6090-071-A)
or
HLX-505 (PART No. J-6090-089-A)
PAL
HLX-507 (PART No. J-6090-078-A)
Note: When the BASE UNIT is replaced, perform the IOP mea-
surement
(Refer to page 18 of the TEST MODE).
[RFMON Level Check]
Connection:
Connection:
+
–
–
CN105 pin (RFMON)
CN105 pin (GND)
oscilloscope
DMB16 board
Procedure:
1. Connect an oscilloscope to CN105 pin 6 (RFMON) and CN105
1. Connect an oscilloscope to CN105 pin 6 (RFMON) and CN105
pin 3 (GND) on the DMB16 board.
2. Turn the power on.
3. Set the test disc (DVD: HLX-503 (NTSC) or HLX-504 (PAL),
3. Set the test disc (DVD: HLX-503 (NTSC) or HLX-504 (PAL),
CD: YEDS-18) on the tray and press
C#
button to play-
back.
4. Confi rm that oscilloscope waveform is clear and check RF-
MON signal level is correct or not.
Note: A clear RFMON signal waveform means that the shape “◊”
can be clearly distinguished at the center of the waveform.
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
RFMON signal waveform
level: 0.58 to 1.23 Vp-p (DVDSL)
0.57 to 1.1 Vp-p (CD)
HCD-GN1200D
26
Checking Location: DMB16 board (Side A)
IC102
IC101
IC104
IC201
CN105
CN109
DMB16 BOARD (SIDE A)
CN105 pin (GND)
CN105 pin (RFMON)
1
6
HCD-GN1200D
HCD-GN1200D
27
27
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – RF Section –
DETECTOR
6
2
3
4
5
3
4
5
10
19
18
18
252
253
DVDRFIP
DVDA
DVDB
DVDC
DVDD
DVDB
DVDC
DVDD
TPI
TNI
TNI
MD
MC
LD01
MDI2
LD02
MSW
MDI1
OSP
OSN
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC102 (1/2)
OPTICAL PICK-UP
BLOCK
(KHM-313CAB)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
23
20
22
21
36
48
43
12
9
37
1
Q102 (2/2)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q102 (1/2)
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
42
41
41
BUFFER
35
3
34
4
TRACKING COIL
DRIVE
32
31
31
38
42
42
37
41
41
30
SLED MOTOR
DRIVE
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
IC201
27
28
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
S1
(LIMIT)
46
47
47
FMO
FOO
FOO
DND
TRO
TRO
VREFO
40
IOPMON
FOO
RF
A
B
B
C
D
D
F
E
CD LD
VC
PD
WR650
VR780
DVD LD
FCS+
MSW
FCS–
TRK+
REG02 REG01
TRK–
SP+
SP–
SP–
SL+
SL–
NC
NC
NC
VREFO
VREFO
9 NB
8 NA
V2O
29
30
29
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
50
BUFFER
19
20
22
20
22
45
21
42
40
SYSTEM
CONTROLLER
IC401 (1/6)
99
IFCK
107
TXD
28
V2 REF0
MTK-SCO
33
100
XIFCS
MTK-XIFCS
24
110
PRST
TXD
CN105
RXD
V2REF0
V2REF0
TXD1
RXD1
CLK1
CLK1
RFMON
106
RXD
MTK-RESET
25
98
IFSDO
MTK-SOD
32
101
IFSDI
205
MIC/VSYNC
MIC STATUS
21
105
IFBSY
MTK-BUSY
23
207
KRMOD/HSYNC
MTK-KRMOD
22
MTK-SIO
31
TRO
FMO
FOO
FOO
DMO
TRO
TRO
10
13
13
FMO
IOP
IOPMON
DMO
D/A
CONVERTER
IC301
D/A
CONVERTER
IC3601
IC3771
AMP
IC3711
AMP
IC3751
AMP
IC3731
AMP
219
ASDATA2
SDTI3
16
222
ASDATQ3
SDTI4
13
218
ASDATA1
SDTI2
15
32
ROUT4-
6
1
7
38
LOUT4+
3
217
ASDATA0
SDTI1
14
37
LOUT4-
2
33
ROUT4+
103
SDA
MCLK
PDN
AINR
AINL
11
13
102
SCL
SCLK
12
LRCK
10
209
SPDATA/SMSDI
SDTO
9
206
VOICE/YUV7
208
SMSCK
5
47
ROUT1-
6
2
LOUT1+
3
1
LOUT1-
2
48
DM_L
DM_R
MB_FL
MB_FR
FC
SW(LEE)
MB_SL
MB_SR
Q3801
BIAS
BIAS
(IC3711,3731,3751,3771)
AU+5V
ROUT1+
5
39
ROUT3-
6
42
LOUT3+
3
41
LOUT3-
2
40
ROUT3+
5
43
ROUT2-
6
46
LOUT2+
3
45
LOUT2-
2
44
ROUT2+
5
213
ALRCK
LRCK
17
220
XRST
PDN
8
214
ABCK
BICK
9
215
ACLK
MCLK
10
CSL
19
SDA
20
211
MUTE123
246
RFRPAC
245
RFRPDC
210
MUTE
170
TSD M
47
SPFG
176
LIMSW
EEPROM
IC103
SCL
SDA
Q101
Q103
1
7
1
7
1
7
RIN
XVOICE
SCORE
SCORE
LIN
1
2
5
6
6
CN402
(1/3)
(FOR CHECK)
(FOR CHECK)
1
2
5
6
11
MAIN
SECTION
A
MAIN
SECTION
F
MAIN
SECTION
B
• Signal Path
: CD PLAY
: DVD PLAY
(Page 30)
(Page 30)
(Page 30)
HCD-GN1200D
HCD-GN1200D
28
28
7-2. BLOCK DIAGRAM – VIDEO Section –
• Signal Path
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
: CHROMA
: COMPONENT VIDEO
: R, G, B
IC102(2/2)
DVD SYSTEM PROCESSOR
YUV1
YUV6
YUV2
DISC/X
YUY3
YUY4
YUY5
WODE
IC801
VIDEO AMP, 75 OHM DRIVER
IC401(2/6)
SYSTEM CONTROL
J801
J802
J800
12 CBIN
10 CYIN
4
9
CVBSIN
I/P
18
3 13
CBOUT
MUTE1
14
25
CRIN
SI
20
CYOUT
23
VOUT
2 CIN
6
194
196
168
198
200
202
203
YIN
26
COUT
21
YOUT
16
CROUT
CBOUT
CYOUT
Q800
VOUT
CROUT
AV SEL1
88
87
MUTE2
4
3
2
1
IC101
FLASH ROM
125-123, 121, 120, 118,
117, 115, 135, 133-128, 126
146, 147, 149-151,
158-160, 162, 164-166
22-26,
29-35
HIGHA0-7
IOA0-7, IOA18-IOA20
A16, A17
IOA0-7, IOA18-IOA20
A16, A17
AD0 – AD7
A1-A21
81-84,86-88,91
53-61, 67-72, 74-76,
78, 89, 92, 93
HD0 – HD7
A0 – A21
A0
26
45
CE
WE
28
OE
11
A0 – A21
DQ15/A-1
77
IOCS
IOWA
79
IOOE
66
DQ0 – DQ7
RCLK
IC104
SDRAM
38
DRCLK
RD0 – RD15
RA0 – RA11
RA0 – RA11
RD0 – RD15
142
RCS
19
RCS
138
RWE
16
RWE
140
RAS
18
RAS
139
CAS
17
CAS
DQM0
15
DQM0
DQM1
39
DQM1
CLE
37
CKE
143
BA0
20
BS0
BA1
21
BS1
COMPONENT
VIDEO OUT
S VIDEO
OUT
VIDEO OUT
Y
Y
C
P
B
/C
B
P
R
/C
R
VIDEO MUTE
VIDEO-OUT-SW
V MUTE
VIDEO OUT SW
29,31,33,35,38,40,42,44
25-16, 10-1, 40,12,48
145
156
113 137 157
2,4,5,7,8,10,11,13,42,44,45,47,48,50,51,53
TBL SENS
27
OPENSW
Q731
S751
(OPEN)
D+3.3V
RTS1
26
3
4
1
2
IC731
TABLE SENSOR
LM-F
38
LM-R
39
36
TM-R
E-1
E-2
E-2
E-3
37
35
34
28
TM-F
RIN
FIN
9
7
MOTOR
DRIVE
4
2
9
7
4
2
MOTOR
DRIVE
OUT1
OUT2
OUT1
OUT2
RIN
FIN
IC712
TBL MOTOR DRIVER
S711
ROTARY
ENCODER
IC701
LD MOTOR DRIVER
M751
(TABLE LOADING)
M
M
M741
(TABLE)
EVER 4V
M+9V
Q523,524
+3.3V
REG.
IC800
VIDEO SELECT
7
3
1
2
VIDEO
INPUT
VIDEO
J1102(1/2)
RF+3.3V
SW+5V
5
4
IC107
+3.3V
REG.
+3.3V
VDD
5
4
IC105
+3.3V
REG.
SW+3.3V
RF1.8V
DVDD18
1
3
IC106
+1.8V
REG.
D505
49
CN402
(2/3)
(FOR CHECK)
Click on the first or last page to see other HCD-GN1200D / MHC-GN1200D service manuals if exist.