Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung DVD DVD-HR773 DVD HR775 HR773 HR776 HR777 CH4
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4. Trouble Shooting
4-1 Trouble Shooting -------------------------------------------------------------------------------- 4-2
4-2 Software Update ------------------------------------------------------------------------------- 4-52
4-3 NVRAM Option Setting --------------------------------------------------------------------- 4-56
4-4 HDD Replacement ---------------------------------------------------------------------------- 4-57
Samsung Electronics 4-1
Trouble Shooting
4-1 Trouble Shooting
NO Power Detected
(Stand by LED OFF)
FIS01 is normal? No
Change fuse
Yes
Is there
voltage at "t" pin No
Check D01~D04 or RIS04
of CIS01?
Yes
ZDIS01,
ZDIS02 SHORT and No Change short circuited or
OPEN opened parts
Are normal?
Yes
Is there
No Check 2st voltage
voitage at pin "1"(Draing)of
Check 1st short circuited
ICIS01
or opened parts
Yes Refer to a pattern
image of Table 4-1
Operation
of ICIS01 is Replace ICIS01
Normal?
Yes
Check feedback IC1S02
4-2 Samsung Electronics
Trouble Shooting
q IC1S01 Pin(1)
IC1S01
IC1S02
11
MTZJ20B
ZD1S02 BD1501
RH3.5X6.5RS
Refer to a pattern
12
image of S.M.P.S PCB page 6-8
50V
47uF R1S10
C1S09 100 13
D1S07
1N4937
8
7
6
5
14
GND
VCC
N.C
Drain2
VAR1
ICE3B2065J
IC1S01
470V
15
4 Drain1
1 Softs
2 FB
3 CS
ER2828SFT
R1S13
C1S13 C1S12 PT1SD1
0.33
1000nF 100nF
!
Refer to a pattern
IC1S02
image of S.M.P.S_01 (SMPS PCB) page 6-5
PS2561
R1S12
W03
jumper
Fig. 4-1
22
Samsung Electronics 4-3
4 1
Trouble Shooting
CVBS Video (AV1,RCA) Output error
Pin A12(MR35,MR40) pin No
of DIC1 has normal level? Check the DIC1 on Main PCB
Refer to a pattern
Yes image of Table 4-2
Analog
signals are inputed No
Check SC39.
normally MUIC (Pin 15)
Refer to a pattern
Yes image of Table 4-3
5V and
12 V is inputted normally No If 12V is NG, check the IC1P01.
MUIC(pin 30 ,14) If 5V is NG, check the check the PIC1.
Refer to a pattern
Yes image of Table 4-4
I2C
singles in
MUIC(pin 32,32) are No Check the connection between
swinged MUIC(pin 32,32)amd FIC1(pin 45,46)
between 0~5V?
Refer to a pattern
Yes image of Table 4-5
Video
signal of No
About P-P1V appears at Check the connection between
Output jack? MUIC (pin 39) and output jack
Refer to a pattern
Yes image of Table 4-6
Check the RCA cable
4-4 Samsung Electronics
Trouble Shooting
q CVBS output
Pin A12(MR35,MR40)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of MS9411 CODEC (Main PCB) page 7-7
Fig. 4-2
Samsung Electronics 4-5
Trouble Shooting
q MUIC Pin(15)
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-3
4-6 Samsung Electronics
Trouble Shooting
q MUIC(pin 14) : 12V
w MUIC(pin 30) : 5V
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-4
Samsung Electronics 4-7
Trouble Shooting
q I2C CLK Pin(31)
MUIC
w I2C Data Pin(32)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-5
4-8 Samsung Electronics
Trouble Shooting
q CVBS Output Jack (Color-Bar)
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-6
Samsung Electronics 4-9
Trouble Shooting
Component (Y, Cb, Cr) output error
Pin A9(MR15,MR29),A8(M No
R13,MR32),A10(MR14,MR33) of DIC1 has Check the DIC1 on MAIN PCB
normal level?
Refer to a pattern
Yes image of Table 4-7
Analong
signals No Check the input signal of
are inputted normally MUIC MUIC(Pin19,21,22)
Yes Refer to a pattern
image of Table 4-8
5V and
12 V is inputted normally No If 12V is NG, check the IC1P01.
MUIC(pin 30 ,14) If 5V is NG, check the check the PIC1.
Refer to a pattern
Yes image of Table 4-9
I2C
singnal in
MUIC(pin 31,32) are No Check the connection between
swinged MUIC(pin 32,32)amd FIC1(pin 45,46)
between 0~5V?
Refer to a pattern
Yes image of Table 4-10
Video
signal No
of About P-P1V appears at Check the connection between
Output Jack? MUIC and output jack
Refer to a pattern
Yes image of Table 4-11
Check the RCA cable
4-10 Samsung Electronics
Trouble Shooting
q Pin A9 (Y-Color bar)
w Pin A8 (Cb-Color bar)
Refer to a pattern
image of Main PCB page 6-3
e Pin A10 (Cr-Color bar)
Refer to a pattern
image of MS9411 CODEC (Main PCB) page 7-7
Fig. 4-7
Samsung Electronics 4-11
Trouble Shooting
q Pin 13,19 (Y-Color bar)
MUIC
w Pin 21(Cb-Color bar)
Refer to a pattern
image of Main PCB page 6-3
e Pin 22(Cr-Color bar)
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-8
4-12 Samsung Electronics
Trouble Shooting
q MUIC(pin 14) : 12V
w MUIC(pin 30) : 5V
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-9
Samsung Electronics 4-13
Trouble Shooting
q I2C CLK Pin(31)
MUIC
w I2C Data Pin(32)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-10
4-14 Samsung Electronics
Trouble Shooting
q Output Jack Y (Color-Bar)
w Output Jack Pb (Color-Bar)
Refer to a pattern
image of Main PCB page 6-6
e Output Jack Pr (Color-Bar)
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-11
Samsung Electronics 4-15
Trouble Shooting
AV1 (RGB) Output Error
Pin A9(MR15,MR29),A8(M No
R13,MR32),A10(MR14,MR33) of DIC1 has Check the DIC1 on MAIN PCB
normal level?
Refer to a pattern
Yes image of Table 4-12
Analong
signals No Check the input signal of
are inputted normally MUIC MUIC(Pin19,21,22)
Yes Refer to a pattern
image of Table 4-13
5V and
12 V is inputted normally No If 12V is NG, check the IC1P01.
MUIC(pin 30 ,14) If 5V is NG, check the check the PIC1.
Refer to a pattern
Yes image of Table 4-14
I2C
singnal in
MUIC(pin 32,32) are No Check the connection between
swinged MUIC(pin 32,32)amd FIC1(pin 45,46)
between 0~5V?
Yes
RGB
control No Check the connection between
signal level is 2~3V at 16pin of pin 42 of FIC1 and AVJ1
AVJ1
Refer to a pattern
Yes image of Table 4-15
RGB
Video No
signal appears at 7,11,15pin of Check the connection between
SJACK1 MUIC and output jack
Refer to a pattern
Yes image of Table 4-16
Check the RCA cable
# IF Recorder is under Component mode (in OSD setup menu),
it does not output RGB out put.
4-16 Samsung Electronics
Trouble Shooting
q Pin A10 (R-Color bar)
w Pin A9 (G-Color bar)
Refer to a pattern
image of Main PCB page 6-3
e Pin A8 (B-Color bar)
Refer to a pattern
image of MS9411 CODEC (Main PCB) page 7-7
Fig. 4-12
Samsung Electronics 4-17
Trouble Shooting
q Pin 22 (R-Color bar)
MUIC
w Pin 13, 19 (G-Color bar)
Refer to a pattern
image of Main PCB page 6-3
e Pin 21 (B-Color bar)
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-13
4-18 Samsung Electronics
Trouble Shooting
q MUIC(pin 14) : 12V
w MUIC(pin 30) : 5V
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-14
Samsung Electronics 4-19
Trouble Shooting
q RGB CTL Pin16
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-15
4-20 Samsung Electronics
Trouble Shooting
w Pin 7(Color-Bar)
e Pin 11(Color-Bar)
Refer to a pattern
image of Main PCB page 6-6
r Pin 15(Color-Bar)
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-16
Samsung Electronics 4-21
Trouble Shooting
AV2 (RGB) Input Error
Video
signal of
No
about 0.7V appears at input Check the Scart cable
jack?(28, 32, 36pin of AVJ1)
Refer to a pattern
Yes image of Table 4-17
RGB
control No Check Video out of TV is set RGB
signal level is 4V at 37pin of
mode
AVJ1?
Refer to a pattern
Yes image of Table 4-17
RGB
Video signal appears at No
Check between AVJ1 and VIC1
Pin 14,27,35 of VIC1
Yes Refer to a pattern
image of Table 4-18
Change MAIN PCB
4-22 Samsung Electronics
Trouble Shooting
Refer to a pattern
q Pin 28(Color-Bar) w Pin 32(Color-Bar) image of Main PCB page 6-5
e Pin 36 (Color-Bar)
r RGB Control
Pin(37)
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-17
Samsung Electronics 4-23
Trouble Shooting
q Pin 14 R_IN(Color bar)
VIC1
w Pin 27 G_IN(Color bar)
Refer to a pattern
image of Main PCB page 6-3
e Pin 35 B_IN(Color bar)
Refer to a pattern
image of Video Decoder (Main PCB) page 7-11
Fig. 4-18
4-24 Samsung Electronics
Trouble Shooting
AV3 CVBS Video Input Error
Pin 9 of FCON2 has No
normal level? Check the AV cable.
Refer to a pattern
Yes image of Table 4-19
Pin 9 of CON7 has No
normal level? Check Front AV FFC Cable
Refer to a pattern
Yes image of Table 4-20
Pin 16 of VIC1 has No
normal level? Check between VIC1 and CN702
Refer to a pattern
Yes
image of Table 4-21
Change Main PCB
Samsung Electronics 4-25
Trouble Shooting
q CVBS Input Jack (Color-Bar)
Refer to a pattern
image of Front PCB page 6-11
Refer to a pattern
image of Front AV Sub (Front PCB) page 7-22
Fig. 4-19
4-26 Samsung Electronics
Trouble Shooting
q CVBS Input (Color-Bar)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of Power Source (Main PCB) page 7-19
Fig. 4-20
Samsung Electronics 4-27
Trouble Shooting
VIC1
q VIC1 Pin(16)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of Video Decoder (Main PCB) page 7-11
Fig. 4-21
4-28 Samsung Electronics
Trouble Shooting
There's no Digital Audio Out
Check Check
Current Digital No the A/V No
Audio Setting is PCM Receiver can Decode Current Set the Bitstream
Bit-Steam
Yes
Pin 4 of DAJK1 has No
normal level? Check the 5V at Pin2 of DAJK1
Refer to a pattern
Yes image of Table 4-22
Check the Cable
Samsung Electronics 4-29
Trouble Shooting
q DAJK1 Pin(4)
Digital Audio Data
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-22
4-30 Samsung Electronics
Trouble Shooting
AV3 Audio Input is not Recording
Check Audio signal of No
FAVJ wave form. Check the AV cable.
Refer to a pattern
Yes
image of Table 4-23
Pin 6,7 of CON7 has No Check the passive parts around
normal level? Audio Jack pin.
Refer to a pattern
Yes image of Table 4-24
Check the
supply voltage of VIC1 No
Change the Front AV FFC Cable
3.3V
(Main PCB)
Yes
Pin 125,126 of VIC1 has No Check the passive parts
normal level? between CN702 and VIC1
Refer to a pattern
Yes image of Table 4-25
change the MAIN PCB
Samsung Electronics 4-31
Trouble Shooting
Audio R Audio L
q 1KHz Mono Audio input
Refer to a pattern
image of Front PCB page 6-11
Audio R Audio L
Refer to a pattern
image of Front AV Sub (Front PCB) page 7-22
Fig. 4-23
4-32 Samsung Electronics
Trouble Shooting
q 1KHz Mono Audio input
Audio R
Audio L
Refer to a pattern
image of Front PCB page 6-3
Audio L
Audio R
Refer to a pattern
image of Power Source (Main PCB) page 7-19
Fig. 4-24
Samsung Electronics 4-33
Trouble Shooting
q 1KHz Mono Audio input
VIC1(Pin 125,126)
VIC1
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of Video Decoder (Main PCB) page 7-11
Fig. 4-25
4-34 Samsung Electronics
Trouble Shooting
There is no Audio Output
Check Pin No
105,104,103,95 VIC change the MAIN PCB
Refer to a pattern
Yes
image of Table 4-26
Check
the audio input signal to No Check the passive parts between
Pin 11,12 of MUIC. MUIC and VIC1
Refer to a pattern
Yes image of Table 4-27
Check
the audio out signal Pin No Check the passive parts around
34,35 of MUIC MUIC
Yes Refer to a pattern
image of Table 4-28
Check
the audio No Check the passive parts around
signal AVR34,AVR36 or audio output Audio Jack pin and audio cable.
jack.
Refer to a pattern
Yes image of Table 4-29
Check the audio cable.
Samsung Electronics 4-35
Trouble Shooting
VIC1
q PCMO BCK
Pin 103
w PCMO LRCLK
Pin 104
Refer to a pattern
image of Main PCB page 6-3
e PCMO Data Out
Pin 105
r PCMIO XCLK
Pin 95
Refer to a pattern
image of Video Decoder (Main PCB)
page 7-11 t VIN CLK
Pin 72
Fig. 4-26
4-36 Samsung Electronics
Trouble Shooting
q 1KHz Mono Audio input
MUIC Pin(11,12)
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-27
Samsung Electronics 4-37
Trouble Shooting
q 1KHz Mono Audio input
MUIC Pin(34,35)
MUIC
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of AV_Switching IC (Main PCB) page 7-14
Fig. 4-28
4-38 Samsung Electronics
Trouble Shooting
Audio-Lout Audio-Rout
q 1KHz Mono Audio input
AVR34, AVR36
IC2
Refer to a pattern
image of Main PCB page 6-3
Audio-Lout
Audio-Rout
Refer to a pattern
image of I/O Jack (Main PCB) page 7-16
Fig. 4-29
Samsung Electronics 4-39
Trouble Shooting
Disc Loading Error
Are Main No
and deck power OK? Check he power
(5v, 12v)
Refer to a pattern
Yes
image of Table 4-30
Is the
40pin No
FFC cable(betweenmain & deck) Reinsert FFC cable correctly
inserted correctly?
Yes
Is the
waveform No
of DVDCON1 pin1 normal? Change the Main board
(Main PCB)
Refer to a pattern
Yes image of Table 4-31
Change the deck
4-40 Samsung Electronics
Trouble Shooting
q CONDRV Pin1(5V)
w CONDRV Pin4(12V)
Refer to a pattern
image of Main PCB page 6-3
Refer to a pattern
image of Power Source (Main PCB) page 7-19
Fig. 4-30
Samsung Electronics 4-41
Trouble Shooting
Refer to a pattern
image of Main PCB page 6-3
q DVDCON1 Pin(1)
Refer to a pattern
image of ATAPI (Main PCB) page 7-9
Fig. 4-31
4-42 Samsung Electronics
Trouble Shooting
Tuner Video Out Abnormal
Tuner
input line signal No
is OK? (Jack PCB) Tuner line connect TV directly
Yes
Supplied power fortuner is OK? No Check SMPS Board(AL5.4V and
(Pin 1 : 5V, Pin 3 : 5V,Pin12 : 33V) 33V)
Refer to a pattern
Yes image of Table 4-32
I2C
signal Pin
No Check between pin 11, 12 of
7,8
of tuner is OK? tuner and FIC1.
Yes Refer to a pattern
image of Table 4-33
Video
output No
signal of Tuner is OK? Replace TM (tuner) block.
(jack PCB)
Refer to a pattern
Yes image of Table 4-34
Refer to AV3 Video line error
Samsung Electronics 4-43
Trouble Shooting
q Pin 1, Pin 3(5V)
w Pin 12(33V)
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of TM Block (Main PCB) page 7-18
Fig. 4-32
4-44 Samsung Electronics
Trouble Shooting
q I2C CLK Pin 7
w I2C Data Pin 8
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of TM Block (Main PCB) page 7-18
Fig. 4-33
Samsung Electronics 4-45
Trouble Shooting
q Video Out Pin 14
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of TM Block (Main PCB) page 7-18
Fig. 4-34
4-46 Samsung Electronics
Trouble Shooting
Tuner Audio Out Abnormal
Tuner line signal is OK? No
Tuner line connect TV directly.
Yes
Supplied
power for VIC1 (3.3V)is No Check its power line or
OK?
around elements
(MAIN PCB)
Yes
5.5MHz
signal No
from11pin of tuner is OK? Check the SIF signal or tuner
Refer to a pattern
Yes image of Table 4-35
If Audio R/L signal Pin 107 and 105
of VIC1is normal, refer to AV3 Audio
Line in error
Samsung Electronics 4-47
Trouble Shooting
q SIF out Pin 11
Refer to a pattern
image of Main PCB page 6-6
Refer to a pattern
image of TM Block (Main PCB) page 7-18
Fig. 4-35
4-48 Samsung Electronics
Trouble Shooting
Remocon Not Working
RM701(pin3) No Check the power(pin2) line
signal
of RM701 is 5V.
is OK? (Function PCB)
Refer to a pattern
Yes image of Table 4-36
FIC(28pin)
No Check between FIC1(28pin)
signal
is OK? (Jack PCB) and RM701(1pin).
Refer to a pattern
Yes image of Table 4-37
Check the remocon battery otherwise
change the remocon
Samsung Electronics 4-49
Trouble Shooting
Refer to a pattern
image of Function PCB page 6-10
q RM701 Pin(3)
Refer to a pattern
image of Function (Function PCB) page 7-23
Fig. 4-36
4-50 Samsung Electronics
Trouble Shooting
q FIC1 Pin(28)
FIC1
Refer to a pattern
image of Main PCB page 6-3
FIC6
Refer to a pattern
image of IO_Micom (Main PCB) page 7-13
Fig. 4-37
Samsung Electronics 4-51
Trouble Shooting
4-2 Software Update
4-2-1 Drive Firmware Update
4-2-1(1). Introduction
Samsung will often support software update to improve the performance of DVD Recorder&VCR to the latest
staus, through Samsung Internet Site. (www. samsung.com)
4-2-1(2). How to make an update disc
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