Sony HCD-LV60 Service manual
HCD-LV60
SERVICE MANUAL
HCD-LV60 is the Amplifier, VCD/CD player,
Tape Deck and Tuner section in LBT-LV60.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol ; are trademarks of Dolby Laboratories Licensing Corporation.
CD
Section
TAPE
Section
E Model
Model Name Using Similar Mechanism HCD-VR50/VR70
CD Mechanism Type CDM37L-5BD34L
Base Unit Name BU-5BD34L
Optical Pick-up Name KSS-213D/Q-NP
Model Name Using Similar Mechanism NEW
T ape Transport Mechanism Type TCM-230PWR12
SPECIFICATIONS
– Continued on next page –
COMPACT Hi-Fi STEREO SYSTEM
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 3
2. GENERAL
Location of Controls ....................................................... 4
Setting the Time .............................................................. 5
3. DISASSEMBLY ......................................................... 6
4. TEST MODE.............................................................. 10
5. MECHANICAL ADJUSTMENTS ....................... 12
6. ELECTRICAL ADJUSTMENTS
Deck section .................................................................... 12
CD Section ...................................................................... 15
Video Section .................................................................. 15
7. DIAGRAMS
7-1. Block Diagram – CD SERVO Section – ....................... 16
7-2. Block Diagram – AUDIO/VIDEO CD Section –.......... 17
7-3. Block Diagram – TAPE DECK Section – ..................... 18
7-4. Block Diagram – MAIN Section – ................................ 19
7-5. Block Diagram – DISPLAY/KEY CONTROL/
POWER SUPPLY Section – ........................................... 20
7-6. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 21
7-7. Printed Wiring Board – BD Board – ............................. 22
7-8. Schematic Diagram – BD Board – ................................ 23
7-9. Schematic Diagram – VIDEO Board (1/2) – ................ 24
7-10. Sc hematic Diagram – VIDEO Board (2/2) – ................ 25
7-11. Printed Wiring Board – VIDEO Board –....................... 26
7-12. Printed Wiring Boards – CD MOTOR Section – .......... 28
7-13. Sc hematic Diagram – CD MOTOR Section – .............. 29
7-14. Printed Wiring Board – AUDIO Board – ...................... 30
7-15. Sc hematic Dia gram – AUDIO Board – ......................... 31
7-16. Printed Wiring Board – LEAF SW Board –.................. 32
7-17. Schematic Diagram – LEAF SW Board – ..................... 32
7-18. Printed Wiring Board – MAIN Board – ........................ 33
7-19. Schematic Diagram – MAIN Board (1/3) – .................. 34
7-20. Schematic Diagram – MAIN Board (2/3) – .................. 35
7-21. Schematic Diagram – MAIN Board (3/3) – .................. 36
7-22. Printed Wiring Board – PANEL FL Board –................. 38
7-23. Sc hematic Dia gram – PANEL FL Board – ................... 39
7-24. Printed Wiring Board – PANEL VR Board –................ 40
7-25. Sc hematic Dia gram – PANEL VR Board – ................... 41
7-26. Printed Wiring Boards – TC-A/TC-B/CD-L/
CD-L2/CD-R/CD-R2 Boards – ...................................... 42
7-27. Schematic Diagram – TC-A/TC-B/CD-L/
CD-L2/CD-R/CD-R2 Boards – ...................................... 43
7-28. Printed Wiring Boards – FRONT INPUT/
HEADPHONE/MIC Boards – ........................................ 44
7-29. Schematic Diagram – FRONT INPUT/
HEADPHONE/MIC Boards – ....................................... 45
7-30. Printed Wiring Board – PA Board – .............................. 46
7-31. Sc hematic Dia gram – PA Board – ................................. 47
7-32. Printed Wiring Board – TRANS Board –...................... 48
7-33. Sc hematic Dia gram – TRANS Board – ......................... 49
7-34. IC Pin Function Description ........................................... 53
8. EXPLODED VIEWS ................................................ 63
9. ELECTRICAL PARTS LIST ............................... 71
2
SECTION 1
SERVICING NOTES
SELF-DIAGNOSIS
This unit is equipped with a self-diagnosis function.
The function is used for diagnosing the conditions of the circuits
of the VIDEO board.
The circuits can be determined if normal or abnormal by the lighting of D502 of the VIDEO board.
Lighting of D502
When lit : Operates normally
Blinks repeatedly : The circuit may be faulty.
– VIDEO Board (Side A) –
IC505
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation exposure.
D502
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the “S curve check” in “CD section adjustment” and
check that the S curve waveforms is output three times.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
3
LOCATION OF CONTROLS
– Front Panel –
SECTION 2
GENERAL
rg
rf
rd
rs
ra
r;
el
ek
ej
eh
eg
ef
ed
es
yh
yg
yf
yd
ys
ya
1
e; wl wk wj wh
ea
rhrjrk rlt;tats td
62 3 4 5 q;987 qa
wg
y;tl
tk
tj
qs
qd
qf
qg
qh
qj
qk
ql
w;
wa
ws
wd
wf
tf
tg
th
1 ?/1 (POWER) button
2 DAILY button
3 REC button
4 SLEEP button
5 c/CLOCK SET button
6 DISPLAY
7 KARAOKE PON/MPX
button
8 SURROUND button
9 SYNC BASS button
q; SYNC EQ button
qa # button
qs 2 button
qd FUNCTION button
qf VOLUME dial
qg DECK B
qh PHONES jack
DECK B operating button
qj g button
G button
qk x button
m button
M button
ql X button
z button
w; H SPEED DUB button
CD SYNC button
wa l AMS L control
ws G X button
wd x button
m button
M button
wf DISC SKIP button
wg VIDEO 2 INPUT jack
wh Z B EJECT button
wj Z A EJECT button
wk DECK A
wl DISC 1 to DISC 5 button
e; EDIT button
ea NON-STOP button
es CD FLASH button
ed CD LOOP button
ef DOLBY NR button
eg DIRECTION button
DECK A operating button
eh x button
m button
M button
ej g button
G button
ek MIC 1 jack
el MIC 2 jack
r; SUPER WOOFER button
ra GROOVE button
rs EFFECT button
rd SPECTRUM ANAL YZER
button
rf DISPLAY button
rg DEMO (STAND BY)
button
rh TUNER/BAND button
rj TUNING – button
rk TUNING + button
rl ENTER/NEXT button
t; TUNER MEMORY button
ta STEREO/MONO button
ts TUNING MODE button
td v/B/V/b button
tf RETURN button
tg PREV button
th NEXT button
tj PLAY MODE button
tk REPEAT button
tl SELECT button
y; ACTIVE button
ya ECHO LEVEL control
ys MIC LEVEL control
yd SUPER WOOFER MODE
button
yf P FILE MEMORY button
yg GEO CTRL button
yh ENTER button
4
– Rear Panel –
q;
9
8
7
6
5
4
3
1
2
1 ANTENNA terminal
2 VOLTAGE SELECTOR switch
3 S VIDEO OUT jack
4 SYSTEM SELECT switch
5 CD DIGITAL OUT terminal
6 FRONT SPEAKER terminal
7 VIDEO OUT jack
8 VIDEO 1 jack
9 MD IN/OUT jack
q; PHONO IN jack
5
SECTION 3
)
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
CASE
6 case
1 three screws
(CASE3 TP2)
4
5
2 five screws
(BVTT3 × 6)
3 two screws
(BVTP3 × 8)
FRONT PANEL SECTION
3 three screws
(BVTP3 × 8)
1 wire (flat type)
(17 core) (CN304)
1 wire (flat type)
(13 core) (CN431)
1 wire (flat type)
(15 core) (CN303)
5
4
1 three screws
(CASE3 TP2)
2 two connectors
(CN452, 702)
MAIN BOARD (Page 8)
CD MECHANISM DECK
(Page 9)
3 screw
(BVTP3 × 8
4 two lugs
4 lug
5 screw (BVTP3 × 8)
6 claw
7 front panel section
5 four screws
(BVTP3 × 8)
2 connector
(CN802)
6
TAPE MECHANISM DECK (TCM-230PWR12)
)
2 two screws
(BVTP3 × 8)
1 wire (flat type) (17 core)
(CN1001)
1 wire (flat type) (15 core)
(CN601)
2 two screws
(BVTP3 × 8)
3 tape mechanism deck
(TCM-230PWR12)
MAIN BOARD
5 back panel
2 nine screws
(BVTP3 × 8)
3
1 wire (flat type) (13 core)
(CN441)
2 three screws (BVTP3 × 8)
2 two screws (BVTP3 × 8
4 connector (CN903)
7 connector (CN701)
0 MAIN board
6 wire (flat type) (13 core)
(CN411)
8 two screws
(BVTP3 × 8)
9 two connector
(CN803, 804)
7 connector
(CN412)
7
CD MECHANISM DECK (CDM37L-5BD34L)
)
1 wire (flat type) (13 core)
(CN411)
2 connector
(CN701)
3 three screws
(BVTP3 × 8)
2 connector
(CN412)
4
6
3 three screws
(BVTP3 × 8)
5 Open the cable clamp.
4
3 two screws
(BVTP3 × 8)
7 five screws
q; CD mechanism deck
(CDM37L-5BD34L)
(BVTP3 × 8)
9 wire (flat type) (23 core
(CN101)
8
8
BASE UNIT (BU-5BD34L)
w
1 two screws
(BVTP3 × 8)
A
2 two brackets (BU)
3 step screw
4 disc table
A
3 base unit
(BU-5BD34L)
2 boss
1 BU fitting scre
DISC TABLE
Note: When the disc table is installed, adjust the positions of roller cam
and mark B as shown in the figure, then set to the groove of disc
table.
9
SECTION 4
TEST MODE
[MC Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. Turn the power ON or set to the DEMO mode.
2. Press three buttons of [ /CLOCK SET], [ENTER/NEXT], and
?/1 simultaneously.
3. The set is reset, and displays “COLD RESET”, then becomes
DEMO mode.
[MC Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power
cord is plugged in and out.
Procedure:
1. Turn the power ON or set to the DEMO mode.
2. Press three buttons of [ /CLOCK SET], [ENTER/NEXT],
and [DISC 1] simultaneously.
3. The set is reset, and becomes standby state.
[Change-over the AM Tuning Interval]
(EXCEPT Saudi Arabia model)
• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the ?/1 button to turn the power ON.
2. Select the function “TUNER”, and press the [TUNER/BAND]
button to select the BAND “AM (MW)”.
3. Press the ?/1 button to turn the power OFF.
4. Press the [ENTER/NEXT] and ?/1 buttons simultaneously,
and the display on the fluorescent indicator tube changes to
“AM 9 k STEP” or “AM 10 k STEP”, and thus the tuning
interval is changed over.
c
c
[CD Delivery Mode]
• This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the ?/1 button to turn the power ON.
2. Press the [CD LOOP] and ?/1 buttons simultaneously.
3. A message “LOCK” is displayed on the fluorescent indicator
tube, and the CD delivery mode is set.
[LED and Fluorescent Indicator Tube All Lit, Key Check
Mode]
Procedure:
1. Press three buttons of [ /CLOCK SET], [ENTER/NEXT],
and [DISC 2] simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
Press the [DISC 2] button, and the key check mode is activated.
3. In the key check mode, the fluorescent indicator tube displays
“K 0 J0 V0”. Each time a button is pressed, “K” value increases. However , once a button is pressed, it is no longer tak en
into account.
“J” value increases like 1, 2, 3 ... if turn the JOG dial clockwise, or it decreases like 0, 9, 8 ... if turn the JOG dial counterclockwise.
“V” value increases like 1, 2, 3 ... if turn the [VOLUME] dial
clockwise, or it decreases like 0, 9, 8 ... if turn the JOG dial
counterclockwise.
4. To exit from this mode, press three buttons in the same man-
ner as step 1, or disconnect the power cord.
c
10
[Aging Mode]
This mode can be used for operation check of tape deck section.
Tape deck section work in parallel.
• If an error occurred:
The aging operation stops and display then status.
• If no error occurs:
The aging operation continues repeatedly.
Procedure:
1. Load the tapes into the decks A and B respectively.
2. Press the [FUNCTION] button to select the function “CD”.
3. Press the [PLAY MODE] button to set the “ALL DISCS” mode,
and press the [REPEAT] button to “REPEAT” off.
4. Press three buttons of [ /CLOCK SET], [ENTER/NEXT],
c
and [DISC 4] simultaneously.
5. The aging mode is activated, if the indicator of disc tray num-
ber on the fluorescent indicator tube is blinking.
6. To exit from the aging mode, press the ?/1 button to turn the
power OFF and operate the cold reset. (Refer to the “MC Cold
Reset”)
1. Display at the Aging Mode
• Display operating state of tape deck section alternately.
• If an error occurred, stop display.
2. Tape Deck Section
• The sequence during the aging mode is following as below.
• If an error occurred, stop display that step.
Aging mode sequence (Tape deck section) :
Rewind the tape A and B
“TAPE A AG-1”
Shut off
FWD play the tape A
“TAPE A AG-2”
2 minutes
Fast forward the tape A
“TAPE A AG-3”
Shut off or 20 seconds
REV play the tape A
“TAPE A AG-4”
2 minutes
Rewind the tape A
“TAPE A AG-5”
Shut off
FWD play the tape B
“TAPE B AG-2”
2 minutes
Fast forward the tape B
“TAPE B AG-3”
Shut off or 20 seconds
REV play the tape B
“TAPE A AG-4”
2 minutes
Rewind the tape B
“TAPE B AG-5”
Shut off
Note: “TAPE * AG-*” is display of each step.
11
SECTION 5
MECHANICAL ADJUSTMENTS
SECTION 6
ELECTRICAL ADJUSTMENTS
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads pinch rollers
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power supply voltage unless otherwise noted.
Torque Measurement
Mode Torque Meter Meter Reading
FWD CQ-102C (31 to 71 g•cm)
FWD
back tension
REV CQ-102RC (31 to 71 g•cm)
REV
back tension
FF/REW CQ-201B (71 to 143 g•cm)
FWD tension CQ-403A (100 g or more)
REV tension CQ-403A (100 g or more)
CQ-102C (2 to 6 g•cm)
CQ-102RC (2 to 6 g•cm)
3.1~6.96 mN•m
(0.43 – 0.98 oz•inch)
0.20~0.58 mN•m
(0.03 – 0.08 oz•inch)
3.1~6.96 mN•m
(0.43 – 0.98 oz • inch)
0.20~0.58 mN•m
(0.03 – 0.08 oz • inch)
6.97~14.02 mN•m
(0.99 – 1.99 oz • inch)
9.80 mN•m
(3.53 oz or more)
9.80 mN•m
(3.53 oz or more)
DECK SECTION
0 dB = 0.775 V
Precaution
1. Demagnetize the record/playback head with a head demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
parts adjust.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording
circuit adjustment.)
6. The adjustments should be performed for both L-CH and RCH.
7. Switches and controls should be set as follows unless otherwise specified.
8. Set to the DOLBY NR OFF.
9. Set to the test mode.
(1) Press the ?/1 button to turn the power ON.
(2) Select the function “TAPE A or B”.
(3) Press the button of [ /CLOCK SET], [ENTER/NEXT],
c
and [DISC 3] simultaneously, to set the tape deck test mode
and blink the indicator of disc tray number on the fluorescent indicator tube.
(4) To exit from the test mode, press the ?/1 button.
• Test Tape
Tape Signal Used for
P-4-A100 10 kHz, – 10 dB Azimuth Adjustment
WS-48B 3 kHz, 0 dB Tape Speed Adjustment
P-4-L300 315 Hz, 0 dB Playback Level Adjustment
12
+
–
set
test tape
WS-48B
(3 kHz, 0 dB)
MAIN board
MD OUT jack (J701)
L-CH, R-CH
frequency counter
r
Record/Playback Head Azimuth Adjustment
r
DECK A DECK B
Note: Perform this adjustments for both decks
Procedure:
1. Mode: Playback (FWD)
test tape
P-4-A100
(10 kHz, – 10 dB)
MAIN board
MD OUT jack (J701)
L-CH, R-CH
level mete
Adjustment Location:Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
set
+
–
2. T urn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
Output
level
within
1dB
L-CH
peak
R-CH
peak
within
1dB
Screw
position
L-CH
peak
Screw
position
R-CH
peak
3. Mode: Playback
MAIN board
test tape
P-4-A100
(10 kHz, – 10 dB)
L-CH
set
R-CH
in phase 45° 90° 135° 180°
MD OUT jack (J701)
L-CH
R-CH
waveform of oscilloscope
good
oscilloscope
wrong
H
V
forward
reverse
Tape Speed Adjustment DECK B
Mode: Playback
1. Insert the WS-48B into the deck B.
2. Press the H button on the deck B.
3. Press the [H SPEED DUB] button in playback mode.
Then at HIGH speed mode.
4. Adjust RV1001 on the LEAF SW board do that frequency
counter reads 6,000 ± 180 Hz.
5. Press the [H SPEED DUB] button.
Then back to NORMAL speed mode.
6. Adjust RV1002 on the LEAF SW board so that frequency
counter reads 3,000 ± 90 Hz.
Adjustment Location: LEAF SW board
Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS)
(WS-48B)
Playback level Adjustment DECK A DECK B
Procedure:
Mode: Playback
test tape
P-4-L300
(315 Hz, 0 dB)
level mete
4. Repeat step 1 to 3 in playback (REV) mode.
5. After the adjustments, apply suitable locking compound to the
pats adjusted.
set
MAIN board
MD OUT jack (J701)
L-CH, R-CH
+
–
Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301
(L-CH) and RV401 (R-CH) so that adjustment within specification values as follows.
Specification Values:
J101 PB level: 301.5 to 338.3 mV (– 8.2 to – 7.2 dB) level
difference between the channels: within ± 0.5 dB
Adjustment Location: AUDIO board
13
REC Bias Adjustment DECK B
e
r
r
Procedure:
1. Mode: Record
FUNCTION: VIDEO
MAIN board
VIDEO 1 AUDIO IN jack (J701)
L-CH, R-CH
50 mV (– 23.8 dB)
600 Ω
set
blank tap
CN-123
AF OSC
1) 315 Hz
2) 10 kHz
attenuator
2. Mode: Playback
recorded
portion
set
MAIN board
MD OUT jack (J701)
L-CH, R-CH
level mete
+
–
3. Conf irm playback the signal recorded in step 1 become specification values as follows.
If these values are out of specification values, adjust the R V341
(L-CH) and RV441 (R-CH) on the AUDIO board to repeat
steps 1and 2.
Specification values: Playback output of 315 Hz to playback
output of 10 kHz: ± 0.5 dB
Adjustment Location: AUDIO board
Specification values:
J101 PB level: 47.2 to 53.0 mV (– 24.3 to – 23.3 dB)
Adjustment Location: MAIN board
– MAIN BOARD (Conductor Side) –
VIDEO 1
AUDIO IN
L/R
J701
REC LEVEL
IC301
RV351
R-CH
MD OUT
RV301
L-CH
L/R
– AUDIO BOARD (Component Side) –
RV441
RV401
RV301
LR
PB LEVEL
– DECK B –
IC602
RV341
RL
REC BIAS
CN601
RV311
LR
PB LEVEL
– DECK A –
RV411
REC Level Adjustment DECK B
Procedure:
1. Mode: Record
FUNCTION: VIDEO
MAIN board
VIDEO 1 AUDIO IN jack (J701)
L-CH, R-CH
AF OSC
315 Hz, 50 mV (– 23.8 dB)
600 Ω
attenuator
blank tape
CS-123
set
2. Mode: Playback
recorded
portion
set
MAIN board
MD OUT jack (J701)
L-CH, R-CH
level mete
+
–
3. Conf irm playback the signal recorded in step 1 become specification values as follows.
If these values are out of specification values, adjust the R V301
(L-CH) and RV351 (R-CH) on the MAIN board to r epeat steps
1 and 2.
– LEAF SW BOARD (Component Side) –
TAPE SPEED
(NORMAL) (HIGH)
RV1002
RV1001
CN1001
14
+
–
TP508 (27 MHz)
VIDEO board
frequency counter
IC505
IC507
TP508
(27 MHz)
CT503
VIDEO
Frequency
Adjustment
– VIDEO BOARD (Side A) –
CD SECTION
e
e
)
Note:
1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given.
2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.
3. Use an oscilloscope with more than 10 MΩ impedance.
4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the following checks.
S-Curve Check
oscilloscop
BD board
TP (FE)
TP (VC)
Procedure:
1. Connect oscilloscope to TP (FE) and TP (VC).
2. Connect between TP (FE1) and TP (VC) by lead wire.
3. Connect between TP (AGCCON) and TP (GND) by lead wire.
4. Turn the power ON.
5. Load a disc (YEDS-18) and actuate the focus search. (In con-
sequence of open and close the disc tray, actuate the focus
search)
6. Cofirm that the oscilloscope waveform (S-curve) is symmetri-
cal between A and B. And confirm peak to peak level within
4 ± 1 Vp-p.
S-curve waveform
+
–
symmetry
E-F Balance (1 Track Jump) Check
oscilloscope
(DC range)
BD board
TP (TE)
TP (VC)
+
–
Procedure :
1. Connect oscilloscpe to TP (TE) and TP (VC).
2. Turn the power ON.
3. Load a disc (YEDS-18) and playback the number five track.
4. Press the G X button. (Becomes the 1 track jump mode)
5. Confirm that the level B and A (DC voltage) on the oscilloscope waveform.
1 track jump waveform
B
0V
level = 1.3 ± 0.6 Vp-p symmetry
Specified level: × 100 = less than ± 22%
A
B
center of
waveform
A (DC voltage
6. After check, remove the lead wire connected in step 1.
VIDEO SECTION
Frequency Adjustment
Connection:
Procedure:
1. Connect the frequenc y counter to TP508 (27 MHz) on VIDEO
board.
2. Turn the power ON.
3. Press the [FUNCTION] button to select the CD.
4. Adjust CT503 on the VIDEO board so that the frequency
counter reading 27.0 MHz ± 80 Hz at stop status.
Adjustment Location:
7. After check, remove the lead wire connected in step 2 and 3.
Note: • Try to measure sev eral times to make sure than the ratio of A : B
or B : A is more than 10 : 7.
• Take sweep time as long as possible and light up the brightness
to obtain best waveform.
RF Level Check
Procedure:
1. Connect oscilloscope to TP (RF) and TP (VC).
2. Connect between TP (AGCCON) and TP (GND) by lead wire.
3. Turn the power ON.
4. Load a disc (YEDS-18) and press the G X button to play.
5. Confirm that the oscilloscope waveform is clear and check RF
signal level is correct or not.
6. After check, remove the lead wire connected in step 2.
Note: Clear RF signal waveform means that the shape “ ” can be clearly
distinguished at the center of the waveform.
BD board
TP (RF)
TP (VC)
oscilloscop
(AC range)
A
within 4 ± 1 Vp-p
B
+
–
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
(with the 10: 1 probe
in use)
level:
1.45 ± 0.3 Vp-p
Checking Location:
– BD BOARD (Side B) –
TP (AGCCON)
TP (RF)
IC102
TP (TE)
TP (FE)
IC103
TP (VC)
TP (GND)
TP (FE1)
IC101
1515
HCD-LV60
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO Section –
RF AMP,
DETECTOR
A
B
C
D
F
E
OPTICAL PICK-UP
(KSS-213D/Q-NP)
I-V AMP
10
CD A+5V
7
4
2
1
5
10
6
11
FOCUS/TRACKING ERROR AMP
A
5
B
6
C
7
D
8
F
F I-V AMP
E
E I-V AMP
IC103
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF EQ
AMP
HOLD SW
RFO
CTL2
CTL1
FILTER
DIGITAL SIGNAL PROCESSOR
IC101 (1/2)
RFAC
16
FE
14
TE
13
CTL2
21
50
49
48
ASYMMETRY
CORRECTOR
ASYI
ASYO
DIGITAL
CLV
PROCESSOR
MDP
25 76 77
53 55
FILI
PCO
FILO
CLTV
DIGITAL PLL
TO SERVO AUTO
SEQUENCER
CPU INTERFACE
SENSE
DATA
CLOK
XLAT
125254
XPCK
EFM
DEMODULATOR
INTERNAL BUS
SUBCODE
PROCESSOR
SQCK
SQSO
EXCK
SCOR
SBSO
79 801574 6 5 10 111368 3
WFCK
XUGF
GFS
EMPH
32K
RAM
ERROR
CORRECTOR
16 69
C4M
CLOCK
GENERATOR
DIGITAL
INTERFACE
MUTE
D/A
XTSL
DIGITAL
OUT
XTAO
XTAI
PCMD
BCK
LRCK
C2PO
WDCK
DOUT
MD2
XRST
72
71
66
67
65
14
17
64
63
2
OSC
BUFFER
IC104
DATA
BCK
LRCK
C2PO
CD A+5V
OPTICAL
TRANSCEIVER
IC781
MCLK
33.8MHz
DATA, BCK,
LRCK, C2PO
CD DIGITAL OUT
OPTICAL
A
B
(Page 17)
(Page 17)
LASER DIODE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
LDON
22
AUTOMATIC
POWER CONTROL
LD
PD
M101
(SPINDLE)
M102
(SLED)
Q101
CH4OUTF
15
M
M
16
17
18
12
11
14
13
CH4OUTR
CH3OUTF
CH3OUTR
CH2OUTF
CH2OUTR
CH1OUTF
CH1OUTR
LD
APC LD
3
AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
DRIVE
DRIVE
COIL
DRIVE
COIL
DRIVE
MUTE
20
CH4SIN
CH3FIN
CH3RIN
CH2FIN
CH2RIN
CH1FIN
CH1RIN
MOTOR
MOTOR
APC PD
AMP
25
24
23
5
6
2
3
PD
4
DIGITAL SERVO
SFDR
29
SRDR
30
TFDR
31
TRDR
32
FFDR
33
FRDR
34
PROCESSOR
IC101 (2/2)
PWM GENERATOR
FOCUS/TRACKING/SLED
40 41 39 43
FE
TE
SE
RFDC
A/D
CONVERTER
FOCUS/
TRACKING/SLED
SERVO DSP
SSTP
26
MIRR,
DFCT, FOK
DETECTOR
SERVO
INTERFACE
SERVO AUTO
SEQUENCER
TO CPU INTERFACE
FOK
MIRR
DFCT
COUT
SCLK
3 5 4 1 18 36 37 10
SCOR
SENSE
DSP CLK
DSP DATA
DSP LATCH
SENSE CLK
LDON
28 2
22
20
21
19
8
SUBQ CLK
SUBQ DATA
CD MECHANISM CONTROLLER
IC502 (1/2)
ENC3/UP-SW
ENC2/DISC-LED
SYSTEM CONTROLLER
IC501 (1/4)
XRST
T-SENS
TBL-L
TBL-R
59
61
68
69
63
65
DISC TABLE
SENSOR
IC202
S201
(UP)
LED DRIVE
Q201
DSP MUTE
DEVICE RESET
XRESET
12
TABLE MOTOR DRIVER
IC201
IN1
9
MOTOR
IN2
1
DRIVE
CTRL1
CTRL2
D201
(DISC No.)
OUT1
OUT2
11
27
77
7
3
CTL1
CTL2
RESET
M201
M
(TABLE)
C
(Page 17)
S101
(LIMIT)
CD A+5V
• SIGNAL PATH
: CD PLAY
05
: DIGITAL OUT
1616
7-2. BLOCK DIAGRAM – AUDIO/VIDEO CD Section –
MCLK 33.8MHz
A
(Page 16)
B
(Page 16)
DATA, BCK,
LRCK, C2PO
DATA
BCK
LRCK
C2PO
LEVEL
SHIFT
IC501
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC505
CD-DATA
4
CD-BCK
3
5
6
CD-LRCK
CD-C2PO
CD-ROM
INTERFACE
CIRCUIT
MA0 – MA10
58 – 56, 54, 52 – 50, 48, 46 – 44 10 – 15, 17, 19, 21, 23 – 29
MPEG
SYSTEM
DECODER
D-RAM/ROM INTERFACE
MD0 – MD15
MPEG
AUDIO
DECODER
MPEG
VIDEO
DECODER
PROCESS
CIRCUIT
RAS0
MWE
MCE
37
38 42 40 60
VIDEO
CAS
AUDIO
INTERFACE
CIRCUIT
PGIO2/VSYNC/CSYNC
HRDY
RESET
113
DA-DATA
DA-BCK
DA-LRCK
DA-XCLK
Y-OUT
C-OUT
VCK-IN
CPU INTERFACE
HSEL
HD-OUT
HD-IN
HINT
114 121
112
119
HCD-LV60
DIGITAL FILTER,
D/A CONVERTER
IC509
XT1
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
D/A
CONVERTER
MODE
CONTROL
MC
MD
9 724 1
8
R-CH
CD-L
E
(Page 19)
VOUTL
LOW-PASS
FILER
ML
RSTB
10
VOUTR
14
11
LOW-PASS
FILER
IC101
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
RESET
C
(Page 16)
CT503
(27MHz)
18
17
19
21
20
4
DATA
BCK
LRCK
768FSO
384FSO
MCKO
INPUT
INTERFACE
CIRCUIT
TIMING CONTROL/
CLOCK GENERATOR
XT2
X503
27MHz
110
111
108
86
69
75
106
93
HCK
117
OSC
BUFFER
IC504
VIDEO FREQUENCY
16 – 19, 22 – 26
D-RAM
IC507
D
(Page 20)
05
A0 – A8
A0 – A8
DATA, CLK
UCAS
LCAS
14 132928
RAS
DQ1 – DQ16
WE
D0 – D15
ADDRESS BUS
DATA BUS
12 – 5, 27, 26, 23
PROGRAM ROM
A0 – A10
IC506
A0 – A10
A0 – A10
13 – 15, 17 – 212 – 5, 7 – 10, 31 – 34, 36 – 39
NTSC
AUTO
D0 – D7
O0 – O7
PAL
25, 4, 28, 29, 3, 2, 30
S501
SYSTEM SELECT
(SELF DIAGNOSIS)
D0 – D15
D8 – D14
A11 – A17
CE
22
D502
CLK
DATA
93
73
29
30
NT/PAL
TEST LED
CLK
DATA
32
23
24
CL680 RESET
CD MECHANISM CONTROLLER
2120
CL680 SEL
CL680 HINT
CL680 HRDY
IC502 (2/2)
31
DATA1I
DATA1O
BUFFER
Q502
DATA
CLK
VIDEO
BUFFER
Q303
XOUT
XIN
34
65
13
15
VIDEO
BUFFER
Q301
VIDEO
BUFFER
Q304
B.P.F.
B.P.F.
CLK1
45
22
BUS
DF LATCH
SHARPNESS
VMUTE
33
SHARPNESS
FILTER
Q302
SHARPNESS
CONTROL SWITCH
Q306
X501
10MHz
VIDEO
BUFFER
Q307
VIDEO
BUFFER
Q308
VIDEO SELECT
SWITCH,
VIDEO AMP
IC191
Y/C MIX
Q310
IN1
1
IN3 VOUT
IN4
8
VIDEO AMP
IC401 (1/2)
VIDEO AMP
IC401 (2/2)
LOGIC
CTLA
CTLB
3 52
ABC
CTLC
41
VIDEO MUTE
58
VIDEO MUTE
Q454
Q453
106
J301
S VIDEO OUT
C
Y
J804 (1/2)
J702 (1/2)
A, B, C
F
1
3
4
2
VIDEO2
INPUT
VIDEO
VIDEO1
VIDEO IN
VIDEO OUT
(Page 19)
1717
HCD-LV60
7-3. BLOCK DIAGRAM – TAPE DECK Section –
HP101
(PLAYBACK)
L-CH
R-CH R-CH
HRPE101 (1/2)
(RECORD/PLAYBACK)
L-CH
R-CH R-CH
3
R-CH
PB EQ AMP
(DECK A)
PB EQ AMP
(DECK B)
REC/PB SWITCHING
1
R-CH
IC611
IC601
IC602
RV311
PB LEVEL (L)
(DECK A)
RV301
PB LEVEL (L)
(DECK B)
4
DECK PROCESS
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP, ALC, AMS
AIN (L)
48
BIN (L)
46
BIAS (N)
33
BIAS (C)
32
31
S1004
(DECK A 120/70)
S1008
(DECK B 120/70)
BIAS (M)
CONTROL
B NORM/CROM
A 120/70
19
IC301
BIAS
CIRCUIT
ALC ON/OFF
1516182022 23242517
NORM/HIGH
PB A/B
70
120
R-CH
NR ON/OFF
BIAS ON/OFF
RM ON/OFF
L.P.F.
BUFFER
28
27
AMS
CIRCUIT
REC/PB/PASS
LM ON/OFF
26
+
MAOUT
MSIN
MSOUT
RIN (L)
43
ALC (L)
44
DOLBY PASS
ALC
ROUT (L)
35 34
DOLBY NR
AMP
CIRCUIT
ALC
IN (L)
REC OUT (L)
39
RV301
REC LEVEL (L)
(DECK B)
EQ IN (L)
38
REC
EQ AMP
PB OUT (L)
EQ OUT
• SIGNAL PATH
: PLAYBACK (DECK A)
40
(L)
36
PB-L
REC-L
G
(Page 19)
H
(Page 19)
: PLAYBACK (DECK B)
: RECORD
RV441
REC BIAS (R)
(DECK B)
HRPE101 (2/2)
(ERASE)
R-CH
05
2
RV341
REC BIAS (L)
(DECK B)
BIAS OSC
T621
BIAS OSC
Q621, 622
REC BIAS
SWITCH
Q623
C331, L331
BIAS
TRAP
B+
(A+7V)
D+5V
100
TC-RELAY
(DECK A PLAY)
8584838281 807978
ALC
PB-A/B
EQ-H/N
A-PLAY-SW
87
S1001
S1002
(DECK B PLAY)
BIAS
REC-MUTE
B-PLAY-SW
86
TC-MUTE
R/PB/PAS
NR-ON/OFF
(DECK A HALF)
S1003
77
AMS-IN
88
DETECT SENSOR
A-HALF
(DECK B HALF)
(DECK A REC)
ROTATION
(DECK A)
IC1001
91
A-SHUT
S1006
S1005
S1009
(DECK B REC)
ROTATION
DETECT SENSOR
(DECK B)
IC1002
90
B-SHUT
SYSTEM CONTROLLER
B-HALF
89
IC501 (2/4)
TRIGGER PLUNGER
DECK A
TRIGGER
PLUNGER DRIVE
(DECK A)
Q333, 334
73
A-TRG
TRIGGER PLUNGER
DECK B
TRIGGER
PLUNGER DRIVE
(DECK B)
Q331, 332
72
B-TRG
Q335
76
CAP-M-H/L
RV1001
TAPE SPEED
(HIGH)
CAPM-CNT1
CAPM-CNT2
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
75
MOTOR DRIVE
74
RV1002
TAPE SPEED
(NORMAL)
CAPSTAN
Q336 – 343
M
M1
(CAPSTAN)
1818
7-4. BLOCK DIAGRAM – MAIN Section –
DIGITAL ECHO
IC851
RV750
ECHO
LEVEL
REC-L
H
HCD-LV60
(Page 18)
(Page 17)
(Page 18)
VIDEO1
AUDIO IN
VIDEO2
INPUT
AUDIO
(Page 17)
FM
75Ω
AM
MD IN
PHONO
IN
E
G
J701 (1/2)
L
R
L
R
L
R
J804 (2/2)
L
R
F
ANTENNA
CD-L
PB-L
A, B, C
J802
MIC 2
J801
MIC 1
R-CH
R-CH
R-CH
R-CH
FM/AM TUNER UNIT
FM ANT
FM ANT
AM ANT
AM ANT
PHONO
EQ AMP
IC601
FUNCTION SELECT
SWITCH
IC181
X0
12
14
X1
AB
10 9
ABC
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
X
ST-L
ST-R
ST-CE
MIC AMP
IC850 (1/2)
RV751
MIC LEVEL
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IN D2
66
IN C2
67
IN E2
65
IN A2
69
IN F2
64
IN B2
68
IC101
INPUT
SELECT
SWITCH
R-CH
MIC AMP
IC850 (2/2)
SOUND
CONTROL
CIRCUIT
KEY IN2
60 5
KEY IN1
2 58 57
MIC IN
REC A2
+
+
L+R
+
KEY OUT 1
KEY OUT 2
30
6
59
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
R-CH
REC B2
F OUT2
42 41
+
R-CH
SUPER
WOOFER
72
BUF
OUT2
36
FEED BACK
SWITCH
Q112
R-CH
D803
COMMAND
VOL
IN2
VOLUME
CONTROL
+
CPU
INTERFACE
DATA
CLOCK
LATCH
34
BASS BOOST
CONTROL
CIRCUIT
BB B2,
BB A2
38, 39
BUF IN2
373233
+
DBFB CONTROL
SWITCH
Q111
493-DATA
XC-OUT
X501
13
32.768kHz
16MHz
R-CH
X502
11
XC-IN
10
13
X-OUT
X-IN
15
SYSTEM CONTROLLER
IC501 (3/4)
FUNC SEL0
46
FUNC SEL1
45
28
V MUTE
49
ST-MUTE
STEREO
50
TUNED
51
ST-DOUT
53
54
ST-DIN
ST-CLK
55
ST-CE
52
SW MODE
STK-POWER
LINE-MUTE
493-CLK
493-LAT
DBFB-H/L
HP MUTE
AC-CUT
RESET
PROTECT
F-RELAY
HP-IN
47
48
38
7
34
1
93
6
22
12
27
3
36
D501
D534
PROTECT
SWITCH
Q804
RESET
SWITCH
Q801
D807
R-CH
MUTING CONTROL
SWITCH
Q802, 803
MUTING
Q113
POWER AMP
STANDBY SWITCH
Q803, 804, 834
+5V
RESET SIGNAL
GENERATOR
IC801
IC801
R-CH
+
R-CH
TH831
TEMPERATURE
DETECT SWITCH
Q831, 832
OVER LOAD
Q801, 851
DC DETECT
SWITCH
Q433, 434
DETECT
D401
OVER LOAD
DETECT SWITCH
Q432
PROTECT SWITCH
Q439
BASS WOOFER
CONTROL SWITCH
Q115
R-CH
OVER LOAD
DETECT SWITCH
Q437
SPEAKER PROTECT
RELAY DRIVE
Q401, 402
R-CH
R-CH
MUTING CONTROL
SWITCH
Q833
SPEAKER PROTECT
RELAY DRIVE
Q431
R-CH
R-CH
–1
–2
HEADPHONE
MUTE
Q805, 855
RY401
SPEANA
R-CH
FAN MOTOR
DRIVE
Q961, 962
J702 (2/2)
M901
(FAN)
M
TM401
SPEAKER
IMPEDANCE
USE 8 – 16Ω
+
–
+
–
J803
PHONES
I
(Page 20)
L
MD OUT
R
L
R
(Page 20)
05
RESET
J
1919
HCD-LV60
7-5. BLOCK DIAGRAM – DISPLAY/KEY CONTROL POWER SUPPLY Section –
I
(Page 19)(Page 19)
J
GRID DRIVE
Q608, 609
FL601
FLUORESCENT INDICATOR TUBE
GRID DRIVE
Q610
S601 – 604, 606 – 624, 626 – 628,
S631 – 637, 641 – 647, 651 – 659
S667 – 671, 676 – 682
REMOTE CONTROL
RECEIVER
IC702
S701
AMS
S701
VOLUME
ROTARY
ENCODER
S701
ROTARY
ENCODER
S701
FLUORESCENT INDICATOR TUBE DRIVER,
45 – 67
28 , 27
42, 40 – 29
43
11 – 15
1
2
8
9
10
KEY CONTROL
SEG1 – SEG23
GR15, GR16
GR2 – GR14
GR1
KEY0 – KEY4
SIRCS
JOG-A
JOG-B
VOL-A
VOL-B
IC601
BPF0
BPF1
BPF2
BPF3
BPF4
ALL BAND
RESET
L SEL
LED DAT
LED SCK
LED LAT
DAILY LED
REC LED
LED ECO
16
17
18
19
20
21
73
74
75
77
BAND-PASS FILTER
IC603
F01
17
F02
16
F04
14
DET
DET
P1 – P5, P7, P9 – P16
B.P.F.
17, 19 – 22, 1, 3 – 5, 7 – 11
F05
13
F06
12
L+R
11
7
LED DRIVER
IC701
5
3
4
DATA
13
14
CLK
15
STB
LED DRIVE
LED DRIVE
LED DRIVE
Q606
Q607
Q605
D602
DAILY
D603
REC
D601
LINE
REC IN
IN
SPEANA
4
6
B+ SWITCH
Q602, 603
D604 – 607, 611, 612,
D615 – 621,
D623 – 627, 631, 632,
D635 – 638, 641, 700
RESET
+5V (LED)
Q601
SYSTEM CONTROLLER
IC501 (4/4)
D+5V (UNSW)
CD MECHANISM
CONTROLLER (IC502)
B+
Q914
+5V (LED)
(PANEL SECTION B+)
A+5V (SW)
(VIDEO CD SECTION B+)
D+5V (SW)
CD STEREO/VIDEO CD
SECTION B+
+3.3V
MPEG VIDEO/AUDIO
RECODWE (IC505) B+
TC, PANEL,
AUDIO
A+7V
A–7V
FLUORESCENT INDICATOR
TUBE DRIVER (IC601)
VCD
B+ SWITCH
Q921
+3.3V
REGULATOR
Q531
–35V
B–
REGULATOR
B+ SWITCH
Q911, 912
B+ SWITCH
Q901, 902
B– SWITCH
Q903, 904
TO FLUORESCENT
POWER AMP (IC801),
PROTECT CIRCUIT
+5V
IC921
INDICATOR TUBE
(FL601)
NEGATIVE VOLTAGE
REGULATOR
Q903, 908
REGULATOR
IC911
+7V
REGULATOR
IC901
–7V
REGULATOR
IC951
+5V
+VL
–VL
+VH
–VH
POWER TRANSFORMER
T951
VF
VF
RECT
D832
RECT
D831
VOLTAGE
SELECTOR
RECT
D841 – 844
RECT
D833 – 836
S901
AC IN
D
(Page 17)
05
DATA, CLK
78
79
I2C DATA
I2C CLK
XOUT
72 70
X601
12.5MHz
WAKE UP
D-SW
XIN
POWER
5
Q906
ST +10V
(FM/AM TUNER UNIT B+)
2
FAN MOTOR B+
TC M+12V
(TC MOTOR SECTION B+)
CD M+7V
(CD MOTOR SECTION B+)
Q905
B+ SWITCH
Q931, 932
REGULATOR
TUNER
+7V
IC933
+10V
REGULATOR
IC931
+12V
REGULATOR
IC932
CD-POWER
22
80
S691
LID (CD)
OPEN/CLOSE
18
30
29
WAKE UP
IIC-DATA
IIC-CLK
2020
7-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
d
d
(In addition to this, the necessary note is printed in each block)
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
a
•
: Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
• Indication of transistor.
Q
B
CE
These are omitted.
Q
B
CE
These are omitted.
C
Q
B
E
These are omitted.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
f
•
: internal component.
4
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltages are taken with a V OM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : TUNER (FM/AM)
E : TAPE PLAY (DECK A)
d : TAPE PLAY (DECK B)
G : RECORD
L : CD PLAY (VIDEO)
J : CD PLAY (AUDIO)
c : DIGITAL OUT
N : MIC INPUT
W or less unless otherwise
• Circuit Boards Location
MIC board
TC-A board
CD-L board
TRANS board
PANEL FL board
PANEL VR board
CD-R board
TUNER (FM/AM)
MAIN board
PA board
HEADPHONE boar
VIDEO board
TC-B board
FRONT INPUT board
LEAF SW board
CD MOTOR board
TABLE SENSOR board
BD boar
AUDIO board
LED board
2121
HCD-LV60
7-7. PRINTED WIRING BOARD – BD Board – • See page 21 for Circuit Boards Location.
• Semiconductor
Location
(Side A)
Ref. No. Location
Q101 C-3
(Page 26)
(KSS-213D/Q-NP)
• Semiconductor
Location
(Side B)
Ref. No. Location
IC101 C-2
IC102 B-1
IC103 B-1
2222
7-8. SCHEMATIC DIAGRAM – BD Board –• See page 37 for Waveforms. • See page 50 for IC Block Diagrams.
HCD-LV60
(Page 24)
OSC BUFFER
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
( ) : CD PLAY
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
2323
HCD-LV60
7-9. SCHEMATIC DIAGRAM – VIDEO Board (1/2) –• See page 27 for Waveforms. • See page 50 for IC Block Diagrams.
A
(Page 23)
BUS XRD
B
(Page 35)
C471
22
6V
1647
VSAG2
VIN2
C472
22
6V
VOUT1
VSAG1
VCC
VOUT2
2
3
C
(Page 34)
VIN1
NJM2267M
R337
2.2
18k
10k
470
220
220
470
180
5.6k
50V
18k
470
180
18k
560
180
4.7k
GND
2835
4.7
(Page 25)
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : VIDEO CD PLAY
2424
7-10. SCHEMATIC DIAGRAM – VIDEO Board (2/2) –• See page 27 for Waveforms. • See page 50 for IC Block Diagrams.
(Page 24)
HCD-LV60
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :VIDEO CD PLAY
: Impossible to measure
∗
2525
HCD-LV60
7-11. PRINTED WIRING BOARD – VIDEO Board – • See page 21 for Circuit Boards Location.
• Semiconductor
Location
(Side A)
Ref. No. Location
D301 B-5
D501 D-2
D502 H-1
(Page 33)
• Semiconductor
Location
(Side B)
Ref. No. Location
IC501 E-3
IC502 G-3
IC506 E-5
IC101 H-5
IC401 B-2
IC504 G-5
IC505 D-4
IC507 D-6
IC509 G-6
Q301 B-5
Q304 C-2
Q306 B-5
Q307 B-4
Q308 B-4
Q310 B-3
Q502 D-2
Q302 B-5
Q303 C-2
Q453 A-3
Q454 A-3
Q531 D-2
(Page 22)
(Page 33)
2626
• Wavef orms
1 Vp-p
27 MHz
– VIDEO Board –
VIDEO CD Play mode:
When the track number 34 (Full Field Color Bar (75%)) of the test
disc played.
TEST DISC: HLV-401 (TGIS-3)
()
Part No. 4-978-510-01
1 IC501 5 (LRCK)
22.8 µs
2 IC501 qd (BCLK)
472 ns
3 IC502 qd (XOUT)
5 Vp-p
4.4 Vp-p
6 IC505 3 (CD-BCK) qh Q303, 304 (Base)
4.8 Vp-p
472 ns
7 IC505 5 (CD-LRCK)
4.8 Vp-p
22.8 µs
8 IC505 yl (Y-OUT)
(VIDEO CD Play mode)
qa IC505 od (PGIO2/VSYNK/CSYNK)
3.1 Vp-p
16.7 ms
qs IC505 <z/n (VCK-IN)
4.3 Vp-p
8.7 ms
qd IC505 <z/, (DA-LRCK), IC509 ql (LRCK)
(VIDEO CD Play mode)
H
qj Q308 (Base)
(VIDEO CD Play mode)
qk IC509 4 (MCKO)
wa IC509 wf (XT2)
1 Vp-p
ws IC401 5 (VOUT 2)
(VIDEO CD Play mode)
0.9 Vp-p
H
wd IC401 8 (VIN 2)
(VIDEO CD Play mode)
H
1.8 Vp-p
wh J301 3 (COUT)
(VIDEO CD Play mode)
1 Vp-p
H
wj J301 4 (YOUT)
(VIDEO CD Play mode)
1.7 Vp-p
H
wk IC504 6
(VIDEO CD Play mode)
10 MHz
4 IC502 qg (XIN)
10 MHz
5 IC502 rg (BUS)
4.1 Vp-p
3.3 Vp-p
4.8 Vp-p
9 IC505 ug (C-OUT)
(VIDEO CD Play mode)
H
q; IC505 ih (DA-XCLK)
1.7 Vp-p
H
qf IC505 <zzz (DA-BCK), IC509 qj (BCK)
0.5 Vp-p
qg Q301 (Base)
(VIDEO CD Play mode)
5.2 Vp-p
22.6 µs
472 ns
6 Vp-p
37 ns
ql IC509 w; (384FSO)
4.8 Vp-p
59 ns
w; IC509 wa (768FSO)
1.8 Vp-p
4.9 Vp-p
5.1 Vp-p
4.8 Vp-p
wf IC401 1 (VIN 1)
(VIDEO CD Play mode)
H
wg IC401 4 (VOUT 1)
(VIDEO CD Play mode)
1 Vp-p
H
8.7 ms
wl IC504 8
(VIDEO CD Play mode)
1 Vp-p
60 ns
e; IC504 qs
(VIDEO CD Play mode)
2 Vp-p
4.3 Vp-p
5.2 Vp-p
2.8 Vp-p
16.7 ms
60 ns
H
30 ns
H
60 ns
2727
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