Service manual
Table Of Contents
- CONTENTS
- TO SERVICE PERSONNEL
- FRONT PANELS
- REAR PANELS
- REMOTE CONTROL PANELS
- SPECIFICATIONS
- INTERNAL VIEW
- SET MENU TABLE
- SERVICE PRECAUTIONS
- DISASSEMBLY PROCEDURES
- UPDATING FIRMWARE
- SELF-DIAGNOSTIC FUNCTION
- Starting Self-Diagnostic Function
- Starting Self-Diagnostic Function in the protection cancel mode
- Canceling Self-Diagnostic Function
- Display provided when Self-Diagnostic Function started
- Display during Self-Diagnostic Function operation
- Operation procedure of Main menu and Sub-menu
- Functions in Self-Diagnostic Function mode
- Initial settings used to start Self-Diagnostic Function
- Details of Self-Diagnostic Function menu
- 1. DSP THROUGH
- 2. RAM THROUGH
- 3. PRO LOGIC / Neo:6
- 4. MIC CHECK
- 5. VFD CHECK
- 6. MANUAL TEST
- 7. RS-232C
- 8. FACTORY PRESET
- 9. AD DATA CHECK
- 10.IF STATUS (Input function status)
- 11.DOCK CHECK
- 12.XM CHECK
- 13.DAB CHECK
- 14.HDMI AUDIO
- 15.HDMI INFORMATION
- 16.HDMI SELECT
- 17.VIDEO CONVERSION
- 18.MODEL
- 19.VERSION/CHECK SUM
- 20.DATE
- 21. DSP CHECK
- DISPLAY DATA
- IC DATA
- BLOCK DIAGRAM
- PRINTED CIRCUIT BOARDS
- PIN CONNECTION DIAGRAMS
- SCHEMATIC DIAGRAMS
- REPLACEMENT PARTS LIST
- REMOTE CONTROL
- Adjusting the system parameters

YSP-500/HTY-750
11
YSP-500/HTY-750
6. Removal of INPUT (1) and (2) P.C.B.s
* When replacing INPUT (1) and INPUT (2) P.C.B.s, be
sure to replace them at the same time. Installing either
P.C.B. of different version from the other may cause
failure of operation.
a. Remove 3 screws (H). (Fig. 4)
b. Remove 3 screws (I) and then remove the binding tie.
(Fig. 4)
c. Remove 3 screws (J). (Fig. 5)
d. Remove the support P.C.B.. (Fig. 4)
e. Remove 10 screws (K) and then remove the rear
panel. (Fig. 5)
f. Remove CB901. (Fig. 6)
g. Remove 5 screws (L). (Fig. 6)
h. Remove CB4. (Fig. 6)
i. Remove the INPUT (1) P.C.B.. (Fig. 6)
j. Remove CB801. (Fig. 6)
k. Remove 5 screws (M). (Fig. 6)
l. Remove the INPUT (2) P.C.B.. (Fig. 6)
6. INPUT(1)、(2)P.C.B.の外し方
※ INPUT(1)およびINPUT(2)P.C.B.を交換する場合、必
ず同時に行ってください。どちらか片方にバージョン
の異なるP.C.B.を取り付けると、動作しないことがあ
ります。
a.
H
のネジ3本を外します。(Fig. 4)
b.
I
のネジ3本を外し、束線止めを外します。(Fig. 4)
c.
J
のネジ3本を外します。(Fig.5)
d. サポートP.C.B.を取り外します。(Fig. 4)
e.
K
のネジ10本を外し、リアパネルを取り外します。
(Fig. 5)
f. CB901を外します。(Fig. 6)
g.
L
のネジ5本を外します。(Fig. 6)
h. CB4を外します。(Fig. 6)
i. INPUT(1) P.C.B.を取り外します。(Fig. 6)
j. CB801を外します。(Fig. 6)
k.
M
のネジ5本を外します。(Fig. 6)
l. INPUT(2) P.C.B.を取り外します。(Fig. 6)
L
L M M
L M
INPUT (3) P.C.B. INPUT (5) P.C.B.
CB901 CB801
CB4INPUT (1) P.C.B. INPUT (2) P.C.B.
Fig. 6
Top view
Bottom view