Yamaha DVR-S60 Service Manual page 43

TROUBLESHOOTING
Audio Part
IC817 2ch DAC PCM1748E IC435 PRO LOGIC DECODER M62464BFP
IC861 6ch DAC PCM1602Y IC431 FUNCTION & VOLUME LC75342M
IC801 MPEG NDV8501 IC434 PRESET EQ TA2078B
IC233 5V REG. KIA78R05PI IC401 +12V REG. KIA7812PI
IC819 AND GATE 7SH08FU IC402 -12V REG KIA7912PI
IC201 FM F.E. TA8176S IC441 POWER AMP LM4766
IC202 IF/MPX LA1844ML
IC203 TU PLL LC72121M
TUNER OUTPUT:OK
VIDEO1,2 OUTPUT:OK
DVD/CD OUTPUT:NG
DVD(DOLBY DIGITAL):OK
CD:NG
DAC OUTPUT Y DAC-OUTPUT SOCKET
CONFIRM LINE CONFIRM
IC817 Pin7,8
N
IC817 pin FLOATING CONFIRM
IC817 BCK, Y PCMCLK(Pin16) CONFIRM
DATA,LRCK CONFIRM
Pin2,3,4 PERIPHERAL CIRCUIT CONFIRM
IC817 NG
N
IC801 ACLK, Y ACLK,AOUT3,LRCLK SIGNAL
AOUT3,LRCLK CONFIRM LINE CONFIRM
Pin78,71,79
N
IC801 pin
FLOATING CONFIRM
IC801 NG
VIDEO PART
NO PICTURE
AUDIO OK
VIDEO1 IC221 PERIPHERAL CIRCUIT
VIDEO INPUT N CONFIRM
MONITOR OUT IC221 NG
OK?
Y
IC801 OUTPUT LINE CONFIRM
IC801 Y Pin108-120 PERIPHERAL
VIDEO OUTPUT CONFIRM
NORMAL OK?
LPF CONFIRM
N
Y
LOADER CHANGE LOADER CHANGE
OK?
N
IC801 pin
FLOATING CONFIRM
IC801 NG
TUNER OUTPUT:NG
VIDEO1,2 OUTPUT:OK
DVD/CD OUTPUT:OK
CN202 Pin5 N Q410 3 PERIPHERAL
5.6V ?
Y
IC201,IC202,IC203
PERIPHERAL CONFIRM
DVD(DOLBY DIGITAL):NG DVD(DOLBY DIGITAL):NG
CD:OK
DAC OUTPUT Y DAC-OUTPUT SOCKET
CONFIRM IC861 Pin9,10,11 LINE CONFIRM
,12,13,14
N
IC861 pin FLOATING CONFIRM
IC861 BCK, PCMCLK(Pin38) CONFIRM
DATA,LRCK CONFIRM Y
Pin40,45,46,47,41 PERIPHERAL CIRCUIT CONFIRM
IC861 NG
N
AOUT3,LRCLK CONFIRM
IC801 ACLK, ACLK,AOUT2,AOUT 1,AOUT0,
AOUT2,AOUT1,AOUT0, Y LRCLK SIGNAL LINE CONFIRM
LRCLK CONFIRM Pin78
,72,73,74,79
N FLOATING CONFIRM
IC801 pin
FLOATING CONFIRM
IC801 NG
NO COLOR or ABNORMAL
N CRYSTAL RESONATOR
X8101 27MHz CHANGE
OK?
Y
IC801 OUTPUT LINE CONFIRM IC801 OUTPUT LINE CONFIRM
IC801 Y Pin108-120 PERIPHERAL
VIDEO OUTPUT CONFIRM
NORMAL OK?
LPF CONFIRM
N
IC801 pin
FLOATING CONFIRM
IC801 NG
TUNER OUTPUT:NG TUNER OUTPUT:NG
VIDEO1,2 OUTPUT:NG VIDEO1,2 OUTPUT:NG
CD OUTPUT:NG DVD/CD OUTPUT:NG
DVD(DOLBY DIGITAL):OK
L,R SIGNAL LINE CONFIRM
CONFIRM (BETWEEN IC431Pin10,21
TO IC435 Pin74,75)
L,R SIGNAL OUTPUT
CD:NG
L,R SIGNAL OUTPUT
LOADER C HANGE Y LOADER CHANGE
OK?
N
A12V LINE CONFIRM
A12V,DAC5V N DAC5V LINE CONFIRM
CONFIRM L,R SIGNAL INPUT
CN818 Pin1,5 IC233 PERIPHERAL CIRCUIT
CONFIRM
Y
MUTE CIRCUIT
IC801 ACLK, Y IC819 PERIPHERAL CIRCUIT
CONFIRM
Pin78,71,79 DAC IC817 IC861 NG L,R SIGNAL OUTPUT
N
IC801 pin
IC801 NG MUTE CIRCUIT CONFIRM
AUDIO OK
IC801 Y Pin108-120 PERIPHERAL
VIDEO OUTPUT CONFIRM
OK?
N
VIDEO1 N +12V,-12V
AUDIO OUT IC401 Pin3,IC402 Pin3
OK? CONFIRM
Y
IC431 PERIPHERAL CIRCUIT
CONFIRM
IC431 NG
IC435
N
IC435 Pin1,2
CONFIRM
Y
POWER SUPPLY Pin21,68
CONFIRM
IC431 IC431 PERIPHERAL CIRCUIT
N CONFIRM
IC431 Pin5, 26 IC431 NG
CONFIRM IC435 PERIPHERAL CIRCUIT
CONFIRM
Y IC435 NG
VIDEO PWB(1AD4B10D039*C)
CN434 +12V,-12V CONFIRM
N
CN43 4 Pin1 ,3 BETWEEN VIDEO PWB TO
CONFIRM AMP PWB(1AD4B10D040*A)
CONNECTION CONFIRM
Y POWER SUPPLY P i n2,15
CONFIRM
IC441
Y
IC441 Pin8,13
IC441 PERIPHERAL CIRCUIT
CONFIRM CONFIRM
IC441 NG
N
DVR-S60/NX-SW60
IC401,IC402 PERIPHERAL
N CIRCUIT CONFIRM
F4102,F4101
CONFIRM
Y
Q4307,Q4308 PERIPHERAL
IC435 N CIRCUIT CONFIRM
PR411 CONFIRM
Y
IC441 N
PR421,PR422 CONFIRM
Y
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