Sharp DV-NC60H (serv.man12) Service Manual ▷ View online
52
DV-NC55S/H
DV-NC60H
DV-NC60H
FLOW CHART NO.17 Hi-Fi SOUND MODE TROUBLESHOOTING(1) (For Hi-Fi model)
NO
NO
YES
NO
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
NO
Is there audio signal inputted at
each input terminal as shown in
table?
Tuner input terminal.
IC2501
IC2501
pin(16)
pin(15)
Decoder signal input
IC6301
IC6301
terminal.
pin(61)
pin(52)
Is there audio signal inputted at
each input terminal of IC201 as
shown in table?
U/V tuner audio input
pin(8)
terminal.
Aux input terminal.
pin(9)
Is there audio signal outputted
at pins (4), (46) of IC6301?
Is there audio signal outputted
at pins (5), (45) of IC6301?
Check line ranging from pins
(31),(30) of IC1701 (NICAM/GR),
to the each input terminal of
IC2501.
Check line ranging from pins
(39),(40) of IC2501 (decoder
circuit) or audio input terminal to
the each input terminal of IC6301.
Check PC5V and Hi-Fi 9V line.
Replace IC201.
Replace IC6301.
Is the supply voltage of PC 5V
fed to pins(14), (30), (36) and 9V
fed to pin (60) of IC6301?
Are there the serial data and
clock at pins (31) and (32) of
IC6301?
Check line between pins (31),
(32) of IC6301 and pins (26), (27)
of IC701?
Check line between pins (4, 46)
and (5,45) of IC6301.
(C6302, C6320)
Line output terminal: Is there audio signal outputted at pins (58) and (56) of IC6301?
Is there audio signal outputted
at pin (54) of IC6301?
Line output terminal
Check line ranging from pins (58) and (56) of IC6301 to pins (2) and (1) of IC2501.
Is there audio signal outputted
at pins (11), of IC201?
Is there "L" level at pin(99) of
IC201?
Check line between pin (8) of
IC6301 and pin (21) of IC701.
Check line between pin (11) of
IC201 and pin (54) of IC6301.
Check line ranging from A-out pin
(21), of TU1401.
Check line ranging from pin (53)
of IC6301.
YES
NO
Is there "L" level at pin (8) of
IC6301?
NO
Check line between pin(8) of
IC6301 and pin (21) of IC701.
<For Hi-Fi mode>
<For normal mode>
No Hi-Fi E-E sound heard
53
DV-NC55S/H
DV-NC60H
DV-NC60H
FLOW CHART NO.18 Hi-Fi SOUND MODE TROUBLESHOOTING(2) (For Hi-Fi model)
NO
NO
NO
NO
YES
YES
YES
NO
Check peripheral circuit of IC6301 as shown in table.
L-ch pins (41),(40),(39),(38),(37)
R-ch pins (10),(11),(12),(15),(16)
Check peripheral circuit of IC6301 as shown in table.
L-ch pins (41),(40),(39),(38),(37)
R-ch pins (10),(11),(12),(15),(16)
Is there a REC FM signal outputted at the IC6301
pins(26) to (22) (CH-1)/pins (26) to (25) (CH-2).
Check AH-MZ harness.
YES
Check or replace the cylinder.
Replace IC6301.
Check PC 5V lines.
Is the supply voltage of 5V fed to pin (20) of IC6301?
Is there "L" level at pin (33) of IC6301?
Check the record current setting resistor R352 and
pin (27) of IC6301.
No Hi-Fi sound recording (E-E mode is posible).
FLOW CHART NO.19 Hi-Fi SOUND MODE TROUBLESHOOTING(3) (For Hi-Fi model)
NO
YES
NO
YES
YES
Is there playback envelope signal outputted at pins
(19) to(18) of IC6301?
Replace IC6301.
Check PC 5V lines.
Is the supply voltage of 5V fed to pin (20) of IC6301?
Is there A-H.SW.P. signal at pin (35) of IC6301?
Check the A-H.SW.P. line between pin (35) of
IC6301 and pin (28) of IC701.
YES
No Hi-Fi sound playback(E-E mode is possible).
NO
YES
NO
YES
NO
FLOW CHART NO.20 LINEAR SOUND MODE TROUBLESHOOTING(1) (For MONO model)
NO
YES
NO
YES
Is there audio signal inputted at input terminal as
shown in table?
Decoder or aux signal input terminal.
Pin (9) of IC201
Front A/V signal input terminal.
Pin (11) of IC2501 (DECODER) or Front A/V signal
input terminal pin (7) of IC201.
Is there audio signal outputted at pin (11) of
IC201? (DECODER)
Is there "L" level at pin (99) of IC201?
Check PC 5V lines.
Check line ranging from pin (39) of IC2501
(DECODER) or from SCART input terminal.
Check line ranging from Front A/V input
terminal (J2101).
Line output terminal : Is there audio signal
inputted at pins (2) of IC2501?
Is there audio signal outputted at pins (42), and
(30) of IC2501?
Check line between IC2501 peripheral and
output terminal peripheral.
Is the supply voltage of 5V fed to pin (96) of
IC201?
Check AUDIO MUTE (H) line between pin (99) of
IC201 and pin (21) of IC701.
Check line between Q601, Q602 of IC201 and
Audio Output terminal.
YES
YES
YES
NO
NO
Does the trap circuit operate normally?
Check the trap circuit. (Q601, Q602).
To Output Terminal
Check peripheral circuit of IC2501.
YES
NO
No E-E sound
For Single SCART MONO
54
DV-NC55S/H
DV-NC60H
DV-NC60H
FLOW CHART NO.22 LINEAR SOUND MODE TROUBLESHOOTING(3) (For Hi-Fi and MONO model)
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Is there audio signal inputted at pin(54) of IC6301?
Is there "L" level at pin (99) of IC201.
Is there signal at pin (100) of IC201?
Are there signal at pin (1) of IC681?
Re-adjust azimuth.
YES
YES
YES
Is there signal at pin (11) of IC201.
Are there MH-AA harness and the PB AMP
peripheral parts normal?
Replace IC201.
Clean A/C head.
Replace A/C head.
Replace IC201.
Check line between pin (11) of IC201 and pin (54)
of IC6301.
Is the azimuth height of A/C head properly
adjusted?
YES
Check the AUDIO MUTE (H) line between pin (99)
of IC201 and pin (21) of IC701.
PAL EP ONLY
Hi-Fi model ONLY
No linear sound playback (E-E mode is possible)
FLOW CHART NO.21 LINEAR SOUND MODE TROUBLESHOOTING(2) (For Hi-Fi and MONO model)
NO
NO
YES
Is "L" level applied at pin (99) of IC201?
Is there signal at pin (4) of IC201?
Is the supply voltage of 12V fed to pin (2) of T651?
Check the AUDIO MUTE (H) line between pin (99)
of IC201 and pin (21) of IC701.
Replace IC201.
Check M 12V line.
Check peripheral circuits of T651.
Is there signal (Bias + Audio sig) at pin (6) of T651?
Check the MH-AA harness and A/C head.
Is there signal (Bias) at pin (5) of T651?
Check the Bias oscillation circuit (T651, Q651,
Q652) and A-ERASE CTL line.
YES
YES
YES
YES
NO
NO
NO
No linear sound recording (E-E mode is possible)
FLOW CHART NO.23 NICAM/IGR TROUBLESHOOTING (For Hi-Fi model)
NO
NO
NO
YES
NO
NO
Is there a base band signal at SIF
OUT of TU1401?
Is there a base band signal at pin
(2) of IC1701?
Check peripheral circuit of X1701.
Is there a NICAM/IGR audio signal
at pin (15), (16) of IC2501?
Is there a NICAM/IGR audio signal
at pins(31), (30) of IC1701?
Check line between pin (39), (40)
of IC2501 and pins(52), (61) of
IC6301.
See Flow Chart No. 17 Hi-Fi
SOUND MODE
TROUBLESHOOTING (1)
For Hi-Fi model
NO
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
Check peripheral circuit of
TU1401.
Check between SIF OUT of
TU1401 and pin(2) of IC1701.
Check PC5V line.
Check the REG. circuit of D9912.
Check PC Motor 12V line.
Check peripheral circuit of IC1701.
Replace IC1701.
Is MPX 8V supplied at pin (33) of
IC1701?
Is 5V supplied at pins (11), (19),
(1) of IC1701?
Check serial data and clock at pin
(12) and (13) of IC1701.
Check between IIC Data pins(26),
(27) of IC701 and pins(12),(13)
of IC1701.
Is there oscillated 18.432MHz at
pins(5), (6) of IC1701?
No NICAM/IGR
55
DV-NC55S/H
DV-NC60H
DV-NC60H
FLOW CHART NO.24 DECODER TROUBLESHOOTING (For 2 SCART Hi-Fi and MONO model)
NO
NO
NO
YES
YES
YES
Is voltage 5V applied to the video section power
terminal at pins(24), (29) of IC2501?
Is voltage 12V applied to the audio section power
terminal at pins(14) of IC2501?
Is there SDA and SCL signal applied to pins(21)
and (22) of IC2501?
Check signal line from video and audio function
logic table as shown below.
Check STBY 5V line.
Check STBY 12V line.
Check line between pins(21), (22) of IC2501 and
pins(17), (18) of IC701.
Not output from 21pin connector in video and audio signal.
<Linear Audio Double scart>
INPUT SIGNAL
DECODER CIRCUIT
OUTPUT SIGNAL
MODE
SELECT
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
SIG.
FLOW
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
SIG.
FLOW
>
>
>
>
>
>
pin7
pin28
pin13
pin2
pin33
pin11
pin18
pin23
pin7
pin16
pin36
pin2
pin28
pin23
pin18
pin13
pin33
pin36
pin16
pin11
pin25
pin42
pin26
pin30
pin5
pin39
Pin47 of IC701(Y/C video output)
E2(L2) video input
Front video input
Pin11 of IC201 (Audio output)
E2(L2) audio input(L/R-ch)
Front audio input
Tuner video output
E1(L1) video input
Pin47 of IC701(Y/C video output)
Tuner audio output
E1(L1) audio input(L/R-ch)
Pin11 of IC201(Audio output)
E2(L2) video input
E1(L1) video input
Tuner video output
Front video input
E2(L2) audio input (L/R-ch)
E1(L1) audio input (L/R-ch)
Tuner audio output
Front audio input
E1(L1) video output
21PIN CONNECTOR
E1(L1) audio output(L/R-ch)
21PIN CONNECTOR
E2(L2) video output
21PIN CONNECTOR
E2(L2) audio output(L/R-ch)
21PIN CONNECTOR
Pin31 of IC201
Y/C video input
(Aux. input)
Pin9 of IC201
Audio input
INPUT
(switch)
OUTPUT
<Hi-Fi Audio Double scart>
INPUT SIGNAL
DECODER CIRCUIT
OUTPUT SIGNAL
MODE
SELECT
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
SIG.
FLOW
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
SIG.
FLOW
>
>
>
>
>
>
>
>
>
pin7
pin28
pin13
pin2
pin33
pin11
pin1
pin34
pin10
pin18
pin23
pin7
pin16
pin36
pin2
pin15
pin37
pin1
pin28
pin23
pin18
pin13
pin33
pin36
pin16
pin11
pin34
pin37
pin15
pin10
pin25
pin42
pin43
pin26
pin30
pin31
pin5
pin39
pin40
Pin47 of IC701(Y/C video output)
E2(L2) video input
Front video input
Pin58 of IC6301 (Audio output L-ch)
E2(L2) audio input(L/R-ch)
Front audio L-ch input
Pin56 of IC6301(Audio output R-ch)
E2(L2) audio input(R-ch)
Front audio R-ch input
Tuner video output
E1(L1) video input
Pin47 of IC701(Y/C video output)
MPX output(L-ch)
E1(L1) audio input(L-ch)
Pin58 of IC6301(Audio output L-ch)
MPX output(R-ch)
E1(L1) audio input(R-ch)
Pin56 of IC6301(Audio output R-ch)
E2(L2) video input
E1(L1) video input
Tuner video output
Front video input
E2(L2) audio input (L-ch)
E1(L1) audio input (L-ch)
MPX output(L-ch)
Front audio L-ch input
E2(L2) audio input (R-ch)
E1(L1) audio input (R-ch)
MPX output (R-ch)
Front audio R-ch input
E1(L1) video output
21PIN CONNECTOR
E1(L1) audio output(L-ch)
21PIN CONNECTOR
E1(L1) audio output(R-ch)
21PIN CONNECTOR
E2(L2) video output(L-ch)
21PIN CONNECTOR
E2(L2) audio output(L-ch)
21PIN CONNECTOR
E2(L2) audio output(R-ch)
21PIN CONNECTOR
Pin31 of IC201
Y/C video input
(Aux. input)
Pin61 of IC6301
(Aux. input)
Pin52 of IC6301
(Audio input (R-ch)
INPUT
(switch)
OUTPUT
Click on the first or last page to see other DV-NC60H (serv.man12) service manuals if exist.